Tuesday, April 30, 2013

Analysis: China's 4G bonanza to shake up mobile gear vendor market

By Simon Johnson and Leila Abboud

STOCKHOLM/PARIS (Reuters) - Chinese telecom operators will start awarding contracts for super-fast mobile networks this year, kicking off the third wave of a global investment cycle that is reshaping the competitive landscape among telecom equipment makers.

China, the world's biggest mobile market with 1.1 billion subscribers, is likely to further alter the picture at the expense of European suppliers by giving a huge boost to Huawei and its smaller Chinese rival ZTE.

Huawei already took a chunk of Europe's fourth generation mobile contracts last year, so another big win for it could be especially tough for middle of the pack gear makers like Nokia-Siemens Networks and Alcatel-Lucent. Both have struggled to combat Chinese competition and generate steady profits since being formed in mergers in 2006.

"China will blow everything else away in terms of volume this year," said David Geary, head of Alcatel-Lucent's wireless division.

Sweden's Ericsson currently has the biggest slice of the global mobile equipment market with around 35 percent, while Huawei has 17 percent, NSN 15 percent and Alcatel-Lucent 12 percent. The first wave of 4G investments that began in 2010 in Japan and Korea favored Ericsson and NSN, and saw the arrival of newcomer Samsung, while the second in the U.S. went largely to Ericsson and Alcatel-Lucent.

But even vendors that have done well in 4G so far need a China boost given the weak outlook for network gear this year.

Research firm Gartner sees network equipment sales up 2.3 percent to $79 billion in 2013 after a contraction last year.

China's three mobile operators - China Mobile, China Unicom and China Telecom - plan to spend a combined 345 billion yuan ($56 billion) this year on network upgrades. That includes investment in 4G, which multiplies mobile broadband speeds by up to five times for users of Apple Inc's iPhones or Samsung Electronics' Galaxy phones.

China Mobile will open the competition with a massive contract. It plans to plough 41.7 billion yuan ($6.75 billion) this year into 200,000 4G base stations in order to provide services for its 710 million customers - more than twice as many as there are people in the U.S.

Whether Europe-based network providers can grab a sizeable piece of that depends largely on whether the process for awarding 4G contracts in China follows the pattern set for the 3G ones, say analysts. Then, Huawei and ZTE gained a massive presence in local carriers' networks in part because of implicit government pressure to support local companies.

Senior sector executives are also worried that foreign companies' bids to win China business could also be complicated by a brewing trade spat with the European Union about whether Huawei and ZTE benefit from unfair trade subsidies.

DIFFERENT PRODUCTS

In past generations of mobile technology, telecom operators have often favored bids from the gear vendors that already supply them because it simplifies the upgrades and reduces costs.

Ericsson, Huawei, and NSN have surfed this trend, especially popular with Europe's cost-conscious operators, by offering multi-standard radio technology in which a single base station can handle 2G, 3G and 4G traffic.

Challengers including Samsung and Alcatel-Lucent, who have limited market share in 3G, are instead pitching so-called overlay 4G technology that is built from scratch on top of old networks.

How the competition between these products will play out in China, where the market is further complicated by the presence of two local standards known as TDD and FDD, remains to be seen.

But many analysts believe that Huawei and ZTE - already big suppliers of China Mobile since only 10-15 percent of 3G network contracts went to foreign vendors - will be winners, leaving the others to fight for smaller bits of the pie.

Michael Li, an analyst at China Everbright Research, predicted 60-70 percent of China's Mobile's 4G projects would go to Chinese because the bulk will be upgrades based on the current frequencies.

Peter Zhou, chief operating officer of Huawei's LTE business, said commercial discussions would start after June in China and predicted that Huawei would come out ahead in the global race for 4G leadership.

"I think that our single RAN (radio access network) focus since 2006 will assure our success," said Zhou. "Our customers when they choose a vendor they do not only think about price but rather the total cost of operating the network over time."

In trials for China Mobile, Huawei and ZTE have done the most pilots, followed by Alcatel-Lucent with 14.5 percent, according to IHS iSuppli. Ericsson and Nokia Siemens got just 8 and 7 percent of the trial business respectively.

Alcatel - along with Samsung, which is diversifying into networks from its stronghold in smartphones and TVs - is counting on beating the competition by persuading Chinese clients that single radio access network is not the way forward. Both Alcatel and Samsung hope to show Chinese clients that 4G networks with new technologies can be built faster and with lower operating costs.

For Alcatel-Lucent, which has swung back to net losses in the past four quarters and just replaced its CEO, China will be particularly key to the second half of the year. "We have a strong foundation in what will be the largest 4G opportunity in the world in the coming years," Geary said of China Mobile trials.

"Single RAN is one of the trends in the market, especially in Europe," I.P. Hong, head of global marketing in Samsung's Networks Business said in a statement. "However, if you look into large-scale LTE deployments in the U.S., Japan and Korea, most of them are overlay networks on top of existing technologies."

One CEO of a northern European operator, who did not want to be named because of the sensitivity of disclosing business information, agreed that there were significant cost advantages in awarding contracts to new network vendors.

"Prices for equipment have come down so much it is often cheaper for the new vendor to change out all the old equipment than to upgrade the site with new equipment," he said.

(Additional reporting by Chyen Yee Lee and Yimou Lee in Hong Kong; Editing by Sophie Walker)

Source: http://news.yahoo.com/analysis-chinas-4g-bonanza-shake-mobile-gear-vendor-090016269.html

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Monday, April 29, 2013

Will Mercedes-Benz Build a CLA Wagon?

Mercedes-Benz CLS Shooting Brake Concept

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Nothing taunts the North American car enthusiast like out-of-reach automotive fruit, and-- not to parse genres too finely-- but the phenomenon of pining for Europe-only wagons is a sore spot that's only exceeded by so-called hunchback-like shooting brake variants we can't get here.

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Stoking the fires of envy, Mercedes-Benz design honcho Gordon Wagener let slip to What Car? that a shooting brake version of the $29,900 CLA is in the works, which would make it a sort of baby version of the CLS Shooting Brake you can't buy stateside-- a rare and jealousy-inspiring bird, indeed.

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Will a Mercedes-Benz CLA Shooting Brake indeed be built, and if so, will it be available stateside? Nobody knows for sure (well, perhaps except for a few power players deep within Mercedes-Benz's hallowed halls)... but suffice to say, the triple-pointed star certainly has a reason to offer an alternative to BMW's $41,450 3-series Sports Wagon, upcoming 3-series Gran Turismo, and Audi's $39,600 Allroad wagon, making brand one-upmanship one helluva great reason for wagon aficionados to enjoy the fallout from the manufacturer wars.

Source: http://www.popularmechanics.com/cars/news/auto-blog/will-mercedes-benz-build-a-cla-wagon?src=rss

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Boston suspects' father postpones trip to U.S.

MAKHACHKALA, Russia (AP) ? The father of the two Boston bombing suspects said Sunday that he has postponed a trip from Russia to the United States because of poor health.

"I am really sick," Anzor Tsarnaev, 46, told The Associated Press. He said his blood pressure had spiked to dangerous levels.

Tsarnaev said at a news conference Thursday that he planned to leave that day or the next for the U.S. with the hope of seeing his younger son, who is under arrest, and burying his elder son, who was killed. His family, however, indicated later Thursday that the trip could be pushed back because he was not feeling well.

Tsarnaev confirmed on Sunday that he is staying in Chechnya, a province in southern Russia, but did not specify whether he was hospitalized. He is an ethnic Chechen and has relatives in Chechnya, although he and his family spent little time in Chechnya or anywhere else in Russia before moving to the U.S. a decade ago.

He and the suspects' mother, Zubeidat Tsarnaeva, returned to Russia last year and settled in Makhachkala, the capital of neighboring Dagestan, where Tsarnaeva's relatives live.

During the past week, they were both questioned extensively by U.S. investigators who had traveled to Makhachkala from Moscow. They also were besieged by journalists who staked out their home.

Tsarnaev's family said last week that he intended to get to the U.S. by flying from Grozny, the Chechen capital, to Moscow. He and Tsarnaeva left Dagestan on Friday, but their whereabouts were unclear.

Source: http://news.yahoo.com/boston-suspects-father-postpones-trip-us-124041600.html

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Friday, April 26, 2013

The microbes you inhale on the New York City subway

Thursday, April 25, 2013

The microbial population in the air of the New York City subway system is nearly identical to that of ambient air on the city streets. This research, published ahead of print in the journal Applied and Environmental Microbiology, establishes an important baseline, should it become necessary to monitor the subway's air for dispersal of potentially dangerous microbes. Also, the combination of new methodologies in the study, including fast collection of aerosols and rapid sequencing technology, provide an efficient means for monitoring which was not previously available.

The results "are strong testimony for the efficiency of the train pumping system for ventilation," says principal investigator Norman R. Pace of the University of Colorado, Boulder. The wind one feels while walking across a subway grate as the subway clatters beneath also demonstrates just how effective that system is, he says. The only obvious differences in the subway's microbial population are the somewhat higher proportion of skin microbiota, and the doubled density of the fungal population, which Pace suggests may be due to rotting wood. "I was impressed by the similarity of [subway] and outdoor air," he says.

The researchers used a high tech mechanism to collect air at around 300 liters per minute (L/min), a big jump on the previous state of the art, which swallowed 12 L/min. That enabled collecting sufficient volume of air?a couple of cubic meters?to take the bacterial census within 20 minutes, instead of after "hours," says Pace. And analysis by sequencing is far faster and more thorough then using culture.

Pace notes that until now, the microbial content of subway air was unknown, and that the microbiology of indoor air is an emerging field of scientific inquiry. His research was funded by the Alfred P. Sloan Foundation, through its Microbiology of the Built Environment program, which has made 64 grants totaling $28 million to date.

"While it is difficult to predict what will be discovered on the frontier of scientific inquiry, the opportunity exists to better understand these complex microbial ecosystems and how they affect health and the environment. We expect that someday this knowledge will influence design and construction practices and other industrial processes," says Paula Olsiewski, program director, Alfred P. Sloan Foundation.

###

C.E. Robertson, L.K. Baumgartner, J.K. Harris, K.L. Peterson, M.J. Stevens, D.N. Frank, and N.R. Pace, 2013. Culture-independent analysis of aerosol microbiology in a metropolitan subway system. Appl. Environ. Microbiol. Published ahead of print 29 March 2013 ,doi:10.1128/AEM.00331-13

American Society for Microbiology: http://www.asm.org

Thanks to American Society for Microbiology for this article.

This press release was posted to serve as a topic for discussion. Please comment below. We try our best to only post press releases that are associated with peer reviewed scientific literature. Critical discussions of the research are appreciated. If you need help finding a link to the original article, please contact us on twitter or via e-mail.

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Source: http://www.labspaces.net/127921/The_microbes_you_inhale_on_the_New_York_City_subway

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The Weirdest Thing on the Internet Tonight: The Super Rope Solution

It's a good business model, sure. I mean you've got a captive audience, which any infomercial host would kill for. But what's with actually killing them? Pretty sure murdering your marketing base is going to hurt sales and next quarter's growth. More »
    


Source: http://feeds.gawker.com/~r/gizmodo/full/~3/DfGsmnhYgq8/the-weirdest-thing-on-the-internet-tonight-the-super-rope-solution

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How the Wheels Came Off for Fisker (WSJ)

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Source: http://news.feedzilla.com/en_us/stories/politics/top-stories/301293534?client_source=feed&format=rss

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Wednesday, April 24, 2013

Why These 2016 Democratic Hopefuls Aren't Shying Away From Gun Control (Atlantic Politics Channel)

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Source: http://news.feedzilla.com/en_us/stories/politics/top-stories/301313320?client_source=feed&format=rss

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Add Any Shortcut To My Computer With This Simple Tweak

If you want a few more options for getting around in My Computer (or just "Computer" as its known in Windows 7 and beyond), you can add anything to this page by placing shortcuts in a little-known folder.

Depending on what version of Windows you're running, this folder may be in a different place, but here's the quickest way to get there:

  1. Press Win+R to bring up the "Run" dialog box.
  2. Enter "%appdata%" (no quotes).
  3. Navigate to \Microsoft\Windows\Network Shortcuts.
  4. Put anything you'd like in this folder.

You can place app shortcuts, links to folders, or even networked locations in here and they'll all show up when you click "Computer," under the Network Location subheading.

How to Add Your Favorite Folder or Program to (My) Computer in Windows 7 and 8 | Gizmo's Freeware

Source: http://feeds.gawker.com/~r/lifehacker/full/~3/l25f9vUZYdc/add-any-shortcut-to-my-computer-with-this-simple-tweak-479751317

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Official: Suspect says Iraq, Afghanistan drove Boston bombings (CNN)

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Source: http://news.feedzilla.com/en_us/stories/politics/top-stories/301075450?client_source=feed&format=rss

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Monday, April 22, 2013

Biological activity alters the ability of sea spray to seed clouds

Apr. 22, 2013 ? Ocean biology alters the chemical composition of sea spray in ways that influence its ability to form clouds over the ocean. That's the conclusion of a team of scientists using a new approach to study tiny atmospheric particles called aerosols that can influence climate by absorbing or reflecting sunlight and seeding clouds. By engineering breaking waves of natural ocean water under purified air in the lab, they were able to isolate and analyze aerosols from the spray and determine how life within the water altered the chemistry of the particles.

"After many decades of attempting to understand how the ocean impacts the atmosphere and clouds above it, it became clear a new approach was needed to investigate the complex ocean-atmosphere system. Moving the chemical complexity of the ocean to the laboratory represented a major advance that will enable many new studies to be performed," said Kimberly Prather, Distinguished Chair in Atmospheric Chemistry at the University of California, San Diego and director of the Center for Aerosol Impacts on Climate and the Environment, who led the team of more than 30 scientists involved in this project. They report their findings in the early, online edition of the Proceedings of the National Academy of Sciences the week of April 22.

Tiny air bubbles form in the ocean when waves break, then rise to the surface and burst, releasing gases and aerosols into the atmosphere. Sea spray aerosols come in a wide variety of sizes and shapes with chemical complexity ranging from simple salts to complex biological mixtures to bacterial cells.

For decades, scientists have been studying how the chemical make-up of aerosols affects their ability to take up water, seed clouds, and react in the atmosphere. Because aerosols from other sources overwhelm field measurements, it's been difficult to isolate and study marine aerosols over the actual ocean.

"Once the ocean-atmosphere system was isolated, we could systematically probe how changes in the seawater due to biological activity affect the composition and climate properties of the sea spray aerosol," said Prather, a professor in the Department of Chemistry and Biochemistry who holds a joint appointment at Scripps Institution of Oceanography.

They pumped seawater directly from the Pacific Ocean into a specially modified enclosed wave flume in the Hydraulics Laboratory at Scripps Oceanography. By stringently filtering the air within the wave chamber, the team eliminated contamination from other sources allowing them to probe sea spray aerosol directly for the first time right after it was produced by breaking waves.

Over five days, the team systematically altered biological communities within the flume by adding various combinations of cultures of marine bacteria and microscopic marine algae, or phytoplankton. Then, as a hydraulic paddle sent waves breaking over an artificial shoal, instruments positioned along the 33 meter long flume analyzed the chemistry of the seawater, air, and aerosols.

As the seawater changed and bacteria levels increased, the composition of the aerosols changed in ways that reduced their ability to form clouds. In particular, a day after new cultures were added, bacteria levels rose fivefold and cloud-seeding potential fell by about a third. These changes happened even as the concentration of phytoplankton fell, along with levels of chlorophyll-a, the pigment essential to photosynthesis. This is an important finding because current estimates of biological activity in surface waters of the ocean rely on instruments aboard satellites that measure the color of the sea surface, which changes along with levels of chlorophyll-a, an assessment that will miss blooms of other organisms, such as bacteria.

The findings demonstrate the value of the center's novel approach for sorting through the interdependent factors governing the effects of the ocean and sea spray on climate.

Co-authors from UC San Diego include Timothy Bertram, Douglas Collins, Luis Cuadra-Rodriguez, Timothy Guasco, Matthew Ruppel, Olivia Ryder, Nathan Schoepp and Defeng Zhao from the Department of Chemistry and Biochemistry; Grant Deane, Dale Stokes, Lihini Aluwihare, Brian Palenik, Farooq Azam, Gregory Roberts, Lynn Russell, Craig Corriga, Michelle Kim, William Lambert, Robin Modini and Byron Evans Pedler from Scripps Institution of Oceanography; and Mario Molina, who holds a joint appointment. Additional co-authors include scientists from the University of Iowa, Colorado State University, California Institute of Technology, University of the Pacific, UC Davis, Northwestern University and Centre National de Recherches M?t?orologiques. The National Science Foundation's Center for Chemical Innovation supports the Center for Aerosol Impacts on Climate and the Environment (CHE 1038028).

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Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/top_environment/~3/7PP7BJTxfvc/130422154921.htm

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New York's JFK airport terminal briefly evacuated over package

NEW YORK (Reuters) - Authorities temporarily evacuated a terminal at John F. Kennedy International Airport on Sunday to investigate a suspicious package, which turned out to be a tube of toothpaste wrapped in duct tape, officials said.

The package was found shortly after 4 p.m. EDT (2000 GMT) in the baggage room area of Concourse B in Terminal 4, said Chris Valens, a spokesman for the Port Authority of New York and New Jersey.

After about 90 minutes, the terminal was re-opened.

The New York Police Department bomb squad determined that the package was a tube of toothpaste with duct tape around it, Officer James Duffy said.

"We determined that it only contained toothpaste," Duffy said.

The evacuation comes as the country is on edge following the Boston Marathon bombings and the discovery of letters laced with ricin, a highly lethal poison, addressed to President Barack Obama and Republican U.S. Senator Roger Wicker of Mississippi.

(Reporting by Jessica Toonkel; Editing by Stacey Joyce)

Source: http://news.yahoo.com/yorks-jfk-airport-terminal-briefly-evacuated-over-package-214324038.html

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Boy Scouts Propose Lifting Ban of Gay Members

Source: http://www.thehollywoodgossip.com/2013/04/boy-scouts-propose-lifting-ban-of-gay-members/

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Sunday, April 21, 2013

Regina Weinreich: In God We Trust: Following Madoff's Money

On that cataclysmic day when Bernie Madoff was arrested, his loyal personal secretary Eleanor Squillari was convinced they had made a mistake. Life at the "lipstick building," headquarters of the largest scale Ponzi scheme in financial history was wholesome and nurturing. They were family. But when she phoned Bernie to ask what gives, he was abrupt and perfunctory. And that's when it hit her: this was for real.

That's the story Eleanor Squillari wrote in Vanity Fair, now told in a new riveting documentary, In God We Trust, premiering at the Tribeca Film Festival, directed by Victor Kubicek and Derek Anderson, and produced by Beverly Camhe. Interview subjects --journalists, Madoff employees, and victims -- talk about what they knew of Madoff's empire, especially as far as who knew what about the "investing" of funds for an elite clientele, and the goings on at the mysterious 17th floor where no one dared tread. Having defied Bernie's order to destroy all documents, Squillari was later able to help the government's investigation by piecing together information from her copious records, continuing with her own "war room" of inquiry. It's an awesome paper trail, mindboggling in its numbers. And, the business would continue today, if not for the crash of 2008.

In attendance at the premiere were Eleanor Squillari, newly married and now living in Florida, and Madoff son Andrew, barely recognizable as he is undergoing chemo. He was with his girlfriend Catherine Hooper. You may remember the couple from their many television appearances for her book on the subject. They stayed in the audience for the Q&A at the SVA Theater, when many questions were asked: How much did Ruth, his mother, know? Or, were he and his brother Mark who famously committed suicide also involved? While the story of Bernie Madoff's crime fascinates in its complicated enormity, In God We Trust provides a coherent narrative of events that begs more questions than it can answer. A follow up might include interviews with Madoff's mistresses, and hookers. But when it comes to the storied money, of who knew what, where and how, in whose account can we trust?

A version of this post also appears on Gossip Central.

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Source: http://www.huffingtonpost.com/regina-weinreich/in-god-we-trust-following_b_3124192.html

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Wednesday, April 17, 2013

Bank of Spain to decide fate of Santander CEO under new law

Apr 15 (Reuters) - Leading money winners on the 2013 PGATour on Monday (U.S. unless stated): 1. Tiger Woods $4,139,600 2. Brandt Snedeker $3,137,920 3. Matt Kuchar $2,442,389 4. Adam Scott (Australia) $2,100,469 5. Steve Stricker $1,935,340 6. Phil Mickelson $1,764,680 7. Dustin Johnson $1,748,907 8. Jason Day $1,659,565 9. Hunter Mahan $1,553,965 10. Keegan Bradley $1,430,347 11. Charles Howell III $1,393,806 12. John Merrick $1,375,757 13. Russell Henley $1,331,434 14. Michael Thompson $1,310,709 15. Kevin Streelman $1,310,343 16. Bill Haas $1,271,553 17. Billy Horschel $1,254,224 18. ...

Source: http://news.yahoo.com/bank-spain-decide-fate-santander-ceo-under-law-172620104--finance.html

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Tuesday, April 16, 2013

Kerry to visit family of slain US diplomat

U.S. Secretary of State John Kerry waves after his lecture to students at Tokyo Institute of Technology in Tokyo Monday, April 15, 2013. Kerry is here as part of Asian tour amid a tense situation over a possible missile launch by North Korea. (AP Photo/Junji Kurokawa, Pool)

U.S. Secretary of State John Kerry waves after his lecture to students at Tokyo Institute of Technology in Tokyo Monday, April 15, 2013. Kerry is here as part of Asian tour amid a tense situation over a possible missile launch by North Korea. (AP Photo/Junji Kurokawa, Pool)

This undated photo provided by Tom Smedinghoff, shows Anne Smedinghoff. Anne Smedinghoff, 25, was killed Saturday, April 6, 2013 in southern Afghanistan , the first American diplomat to die on the job since last year's attack on the U.S. diplomatic installation in Benghazi, Libya. (AP Photo/Tom Smedinghoff)

(AP) ? U.S. Secretary of State John Kerry will stop in Chicago on Monday to visit the parents of the young U.S. diplomat who was killed while delivering textbooks in southern Afghanistan earlier this month.

Kerry is making the detour on his way back from Japan, the final leg of a 10-day overseas tour which started with tragedy when he learned of Anne Smedinghoff's death while readying to depart for Turkey on April 6.

At the time, a clearly affected Kerry contacted Smedinghoff's parents, Tom and Mary Beth, from Andrews Air Force Base. On Monday, he will fly in directly to see them.

Smedinghoff was just 25 when she and four other Americans were killed while walking from a military base to a nearby school. Two explosions occurred, apparently a suicide car bombing followed by a roadside blast.

An FBI investigation is in its preliminary stages.

Kerry told embassy staff in Tokyo that Smedinghoff was "full of ideals and full of hopes, taking books to children in a school so they can learn."

She was "wiped out by terrorism ? the worst kind of nihilism," he said.

"It doesn't stand for anything except killing people and stopping the future," Kerry said. "And so we're not going to be deterred. We're going to be inspired. And we're going to use Anne's idealism as another motivation."

Kerry declared the protection of American foreign service officers his top priority when started as secretary of state in February, and Smedinghoff's death is the first of an American diplomat since militants attacked a U.S. diplomatic installation in Benghazi, Libya, on Sept. 11, killing Ambassador Chris Stevens and three other Americans.

The young woman's death came just two weeks after Kerry met her while on a visit to Afghanistan. Smedinghoff served as his control officer, an honor often bestowed on up-and-coming members of the U.S. foreign service.

Smedinghoff, who grew up in River Forest, Ill., was on her second tour of diplomatic duty. She served previously in Venezuela.

The attack also killed three U.S. service members, a U.S. civilian who worked for the Defense Department and an Afghan doctor.

Three other diplomats were injured. The most serious is Kelly Hunt, a public diplomacy officer, who is being treated at a U.S. military base in Germany.

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/386c25518f464186bf7a2ac026580ce7/Article_2013-04-15-Kerry-Young%20Diplomat/id-22ca219e3c514b0dab97bcc9ac486432

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Sunday, April 14, 2013

Molecular hub links obesity, heart disease to high blood pressure

Friday, April 12, 2013

Obesity, heart disease, and high blood pressure (hypertension) are all related, but understanding the molecular pathways that underlie cause and effect is complicated.

A new University of Iowa study identifies a protein within certain brain cells as a communications hub for controlling blood pressure, and suggests that abnormal activation of this protein may be a mechanism that links cardiovascular disease and obesity to elevated blood pressure.

"Cardiovascular diseases are the leading cause of death worldwide, and hypertension is a major cardiovascular risk factor," says Kamal Rahmouni, Ph.D., UI associate professor of pharmacology and internal medicine, and senior study author. "Our study identifies the protein called mTORC1 in the hypothalamus as a key player in the control of blood pressure. Targeting mTORC1 pathways may, therefore, be a promising strategy for the management of cardiovascular risk factors."

The hypothalamus is a small region of the brain that is responsible for maintaining normal function for numerous bodily processes, including blood pressure, body temperature, and glucose levels. Signaling of mTORC1 protein in the hypothalamus has previously been shown to affect food intake and body weight.

The new study, which was published April 2 in the journal Cell Metabolism, shows that the mTORC1 protein is activated by small molecules and hormones that are associated with obesity and cardiovascular disease, and this activation leads to dramatic increases in blood pressure.

Leucine is an amino acid that we get from food, which is known to activate mTORC1. The UI researchers showed that activating mTORC1 in rat brains with leucine increased activity in the nerves that connect the brain to the kidney, an important organ in blood pressure control. The increased nerve activity was accompanied by a rise in blood pressure. Conversely, blocking this mTORC1 activation significantly blunted leucine's blood pressure-raising effect.

This finding may have direct clinical relevance as elevated levels of leucine have been correlated with an increased risk of high blood pressure in patients with cardiovascular disease.

"Our new study suggests a mechanism by which leucine in the bloodstream might increase blood pressure," Rahmouni says.

Previous work has also suggested that mTORC1 is a signaling hub for leptin, a hormone produced by fat cells, which has been implicated in obesity-related hypertension.

Rahmouni and his colleagues showed that leptin activates mTORC1 in a specific part of the hypothalamus causing increased nerve activity and a rise in blood pressure. These effects are blocked by inhibiting activation of mTORC1.

"Our study shows that when this protein is either activated or inhibited in a very specific manner, it can cause dramatic changes in blood pressure," Rahmouni says. "Given the importance of this protein for the control of blood pressure, any abnormality in its activity might explain the hypertension associated with certain conditions like obesity and cardiovascular disease."

Rahmouni and his team hope that uncovering the details of the pathways linking mTORC1 activation and high blood pressure might lead to better treatments for high blood pressure in patients with cardiovascular disease and obesity.

###

University of Iowa Health Care: http://www.uihealthcare.com/index.html

Thanks to University of Iowa Health Care for this article.

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Source: http://www.labspaces.net/127730/Molecular_hub_links_obesity__heart_disease_to_high_blood_pressure

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Woods' drop under review, faces possible DQ

Tiger Woods reacts after his fairway shot on the 15th hole hit the pin and rolled into the water during the second round of the Masters golf tournament Friday, April 12, 2013, in Augusta, Ga. (AP Photo/Darron Cummings)

Tiger Woods reacts after his fairway shot on the 15th hole hit the pin and rolled into the water during the second round of the Masters golf tournament Friday, April 12, 2013, in Augusta, Ga. (AP Photo/Darron Cummings)

Tiger Woods reacts after his fairway shot on the 15th hole hit the pin and rolled into the water during the second round of the Masters golf tournament Friday, April 12, 2013, in Augusta, Ga. (AP Photo/Darron Cummings)

Tiger Woods reacts after his fairway shot on the 15th hole hit the pin and rolled into the water during the second round of the Masters golf tournament Friday, April 12, 2013, in Augusta, Ga. (AP Photo/Charlie Riedel)

Tiger Woods reacts after his fairway shot on the 15th hole hit the pin and rolled into the water during the second round of the Masters golf tournament Friday, April 12, 2013, in Augusta, Ga. (AP Photo/Charlie Riedel)

AUGUSTA, Ga. (AP) ? Tiger Woods' penalty drop on the 15th hole of the second round is being reviewed before play began at the Masters Saturday morning, and the four-time champion could possibly be disqualified.

An Augusta National spokesman said only that officials were reviewing the video. There was no indication when there would be a decision.

Woods' third shot from 87 yards hit the pin and caromed off the green, down the slope and into the water. Instead of going to the drop area on the other side of the water, Woods chose to take the one-shot penalty and play his fifth shot from the area of his original shot.

At question is whether that violates Rule 26-1, which states that the ball should be dropped as nearly as possible to the spot where it was last played.

If it's determined that Woods took his drop in the wrong spot, the penalty is two strokes. He could face disqualification for signing an incorrect score.

"I went back to where I played it from, but went two yards further back and I tried to take two yards off the shot of what I felt I hit," Woods said Friday after he signed for a 71, leaving him three shots out of the lead. "And that should land me short of the flag and not have it either hit the flag or skip over the back. I felt that was going to be the right decision to take off four (yards) right there. And I did. It worked out perfectly."

Woods' fifth shot landed short of the hole and spun to a stop about 4 feet to the left of the flag. He made the putt for a bogey.

Woods began his year with a rules situation in Abu Dhabi. He took relief from an embedded lie in a sandy area covered in grass. He was entitled to a free drop except in sand, and Woods was given a two-shot penalty. He was alerted of this before he signed his card, and the two-shot penalty caused him to miss the cut.

Woods, the No. 1 player in the world, was the favorite coming into the Masters to end five years without winning a major. He has not won the Masters since 2005.

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/3d281c11a96b4ad082fe88aa0db04305/Article_2013-04-13-Masters-Woods/id-aae23b195c5146419b274ba699b53f91

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Friday, April 12, 2013

Warmest summers in last two decades in northern latitudes were unprecedented in six centuries

Apr. 11, 2013 ? Harvard researchers are adding nuance to our understanding of how modern and historical temperatures compare. Through their statistical model of Arctic temperatures and how they relate to instrumental and proxy records, Martin Tingley, a research associate in the Department of Earth and Planetary Sciences, and Peter Huybers, professor of earth and planetary sciences, have shown that the warmest summers in the last two decades were unprecedented in six centuries.

The work is described in paper published in the April 11 issue of Nature.

"We call upon multiple proxies -- including those derived from trees, ice cores, and lake sediments -- to reconstruct temperature back through time using a Bayesian statistical approach," Tingley said. "What we are trying to do is put statistical inference of past changes in temperature on a more solid and complete footing.

"Saying this year is warmer than all other years included in the reconstruction is a very different thing than saying this year is warmer than a particular year in the past," he added. "You have to think about the uncertainty in the temperature estimate for each year, and then be able to say that recent years are warmer than all past years simultaneously."

To assess such probabilities, Tingley and Huybers use a statistical model that gives a large ensemble of equally likely temperature histories for the last 600 years, as opposed to the single best estimate provided by most other reconstructions of the planet's temperature.

"By sorting through these many plausible realizations of what Earth's temperature may have looked like," Huybers said, "it becomes possible to find the probability associated with a great variety of relevant quantities, such as whether the 2010 Russian heat wave was more anomalous than all other events or whether the trend in average temperature over the last 100 years is uniquely large."

Perhaps the most basic quantity is average Arctic temperature, and Tingley said that the summers of 2005, 2007, 2010, and 2011 were each warmer than all years prior to 2005 in at least 95 percent of the ensemble members. Furthermore, the rate of temperature increase observed over the last century is, with 99 percent probability, greater in magnitude than centennial trends in the last 600 years. At a regional level, the summer of 2010 featured the warmest year in western Russia, with 99 percent probability, and also featured the warmest year in western Greenland and the Canadian Arctic, with 90 percent probability.

Also notable: Although summer temperatures are clearly on the rise, the researchers found no indication that temperature variability has changed. Events such as the 2010 Russian heat wave and the 2003 western European heat wave are consistent with the increase in mean temperature, after accounting for the fact that they are selected as some of the hottest years and locations.

"Insomuch as the past is prologue for the future," Tingley said, "these results suggest that the hottest summers will track along with increases in mean temperature." He explained, "If instead the distribution of temperatures were becoming wider, as well as shifting toward higher values, then the probability of extreme events would go up even more rapidly."

But Tingley also acknowledged the limitations of the results and the need for further work. "The proxies, unlike thermometers, generally only give information about seasonal average temperatures, and we have not explored changes in variability at the daily and weekly timescales associated with weather patterns," he said. "It will be interesting to further explore instrumental records and higher resolution proxies for trends at these shorter timescales."

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The above story is reprinted from materials provided by Harvard University.

Note: Materials may be edited for content and length. For further information, please contact the source cited above.


Journal Reference:

  1. Martin P. Tingley, Peter Huybers. Recent temperature extremes at high northern latitudes unprecedented in the past 600 years. Nature, 2013; 496 (7444): 201 DOI: 10.1038/nature11969

Note: If no author is given, the source is cited instead.

Disclaimer: Views expressed in this article do not necessarily reflect those of ScienceDaily or its staff.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/~3/a_7aFnNqc44/130411194843.htm

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PFT: Manning, Welker work out together at Duke

ShermanGetty Images

Seahawks cornerback Richard Sherman says he was misquoted when the Vancouver Sun reported that he said ?about half the league? takes the prescription drug Adderall. The reporter who quoted Sherman says otherwise.

Sun reporter Mike Beamish told PFT via email that he stands by what he wrote, and he provided us with a transcript of that portion of his conversation with Sherman:

Mike Beamish, Vancouver Sun: ?Let me ask you about the suspension you were handed, and you appealed it. Have you left that behind? Do people ask you about that? Do you have to explain it a lot??

Sherman: ?Not really. It was what it was. I think the league made a mistake. Obviously, they cleaned up their mistake by repealing . . . repealing? . . . taking it away. That?s what it was to me. Obviously, I didn?t do anything. But you have to go through the process to prove you didn?t do anything. Once the process played itself out, it ended up being true.?

Beamish: ?There are players who actually have to take Adderall, because people have ADD and ADHD.?

Sherman: ?There?s about half the league that takes it, and the league has to allow it.?

Beamish: ?It?s like you have a prescription, if you?re a diabetic.?

Sherman: ?Exactly.?

Beamish: ?So, are you on any medication that way??

Sherman: ?I?m not. But there are players that took it. We all got tested on the same day. There was kind of a little mix-up with that.?

Beamish: ?So, it?s not like you?re flying around all the time and you have to take it in the morning. Did it embarrass you? You seem like a
guy who?s good with people. You?re very good with public relations. Even though you were absolved of it, it still kind of hangs with you. Does it bother you that way??

Sherman: ?Not at all. In the NFL, you always have people who don?t like you for any given reason. If you do anything well . . . If you?re the president, if you?re anybody of importance or with any kind of fame or notoriety, there are going to be a lot of people who don?t like what you do, who don?t support you. And you have to embrace it. You have to almost accept that there?s going to be naysayers for everything. If everybody says ?I love you? you?re probably not doing much.?

When Sherman said ?half the league? takes Adderall, he presumably wasn?t saying that he actually knows that 50 percent of the NFL has taken it. He was saying that Adderall use is commonplace, and no big deal. That?s a point he reiterated on NFL Network on Thursday morning. And a point on which he and the league office sharply disagree.

Source: http://profootballtalk.nbcsports.com/2013/04/11/manning-brothers-working-with-new-targets-at-duke/related/

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Friday, April 5, 2013

New bird flu strain causes fifth death in China

A worker spays disinfectant liquid on to chicken cages at a wholesale market on Thursday, April 4, 2013, in Shanghai, China. In a worrisome sign, a bird flu in China appears to have mutated so that it can spread to other animals, raising the potential for a bigger threat to people, scientists said Wednesday. (AP Photo)

A worker spays disinfectant liquid on to chicken cages at a wholesale market on Thursday, April 4, 2013, in Shanghai, China. In a worrisome sign, a bird flu in China appears to have mutated so that it can spread to other animals, raising the potential for a bigger threat to people, scientists said Wednesday. (AP Photo)

A worker arranges containers of chickens at a wholesale market on Thursday, April 4, 2013, in Shanghai, China. In a worrisome sign, a bird flu in China appears to have mutated so that it can spread to other animals, raising the potential for a bigger threat to people, scientists said Wednesday. (AP Photo)

Chickens are sold at a market on Thursday, April 4, 2013, in Shanghai, China. In a worrisome sign, a bird flu in China appears to have mutated so that it can spread to other animals, raising the potential for a bigger threat to people, scientists said Wednesday. (AP Photo)

(AP) ? A middle-aged man who transported poultry for a living and another unidentified person have died from a new strain of bird flu, bringing the death toll to five among 14 confirmed cases in China, the government and state media reported Thursday.

The 48-year-old man, who died in Shanghai, is one of several among the infected believed to have had direct contact with fowl. Until recently, the virus, called H7N9, was not known to infect humans.

The official Xinhua News Agency did not identify the fifth fatality, but said that person also died in Shanghai on Wednesday.

It said the Ministry of Agriculture confirmed on Thursday that the H7N9 virus had been detected in pigeons at a market selling agricultural products in Shanghai.

It is not known how people are becoming sick with the virus, and health officials and scientists caution that there are no indications it can be transmitted from one person to another. Scientists who have studied the virus's genetic sequence said this week that the virus may have mutated, spreading more easily to other animals and potentially posing a bigger threat to humans.

Guidelines issued Wednesday by the national health agency identify butchers, breeders and sellers of poultry, and those in the meat processing industry as at higher risk.

Experts only identified the first cases on Sunday. Some among the 14 confirmed cases fell ill several weeks ago but only now are being classified as having H7N9.

Xinhua said six cases have been confirmed in Shanghai, four in Jiangsu, three in Zhejiang and one in Anhui.

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/bbd825583c8542898e6fa7d440b9febc/Article_2013-04-04-China-Bird%20Flu/id-e1e97914a08f4864948fa55859b85e74

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Thursday, April 4, 2013

New bird flu strain causes fifth death in China

A worker spays disinfectant liquid on to chicken cages at a wholesale market on Thursday, April 4, 2013, in Shanghai, China. In a worrisome sign, a bird flu in China appears to have mutated so that it can spread to other animals, raising the potential for a bigger threat to people, scientists said Wednesday. (AP Photo)

A worker spays disinfectant liquid on to chicken cages at a wholesale market on Thursday, April 4, 2013, in Shanghai, China. In a worrisome sign, a bird flu in China appears to have mutated so that it can spread to other animals, raising the potential for a bigger threat to people, scientists said Wednesday. (AP Photo)

A worker arranges containers of chickens at a wholesale market on Thursday, April 4, 2013, in Shanghai, China. In a worrisome sign, a bird flu in China appears to have mutated so that it can spread to other animals, raising the potential for a bigger threat to people, scientists said Wednesday. (AP Photo)

Chickens are sold at a market on Thursday, April 4, 2013, in Shanghai, China. In a worrisome sign, a bird flu in China appears to have mutated so that it can spread to other animals, raising the potential for a bigger threat to people, scientists said Wednesday. (AP Photo)

(AP) ? A middle-aged man who transported poultry for a living and another unidentified person have died from a new strain of bird flu, bringing the death toll to five among 14 confirmed cases in China, the government and state media reported Thursday.

The 48-year-old man, who died in Shanghai, is one of several among the infected believed to have had direct contact with fowl. Until recently, the virus, called H7N9, was not known to infect humans.

The official Xinhua News Agency did not identify the fifth fatality, but said that person also died in Shanghai on Wednesday.

It said the Ministry of Agriculture confirmed on Thursday that the H7N9 virus had been detected in pigeons at a market selling agricultural products in Shanghai.

It is not known how people are becoming sick with the virus, and health officials and scientists caution that there are no indications it can be transmitted from one person to another. Scientists who have studied the virus's genetic sequence said this week that the virus may have mutated, spreading more easily to other animals and potentially posing a bigger threat to humans.

Guidelines issued Wednesday by the national health agency identify butchers, breeders and sellers of poultry, and those in the meat processing industry as at higher risk.

Experts only identified the first cases on Sunday. Some among the 14 confirmed cases fell ill several weeks ago but only now are being classified as having H7N9.

Xinhua said six cases have been confirmed in Shanghai, four in Jiangsu, three in Zhejiang and one in Anhui.

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/b2f0ca3a594644ee9e50a8ec4ce2d6de/Article_2013-04-04-China-Bird%20Flu/id-e1e97914a08f4864948fa55859b85e74

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Tuesday, April 2, 2013

New insights on how spiral galaxies get their arms

Apr. 2, 2013 ? Spiral galaxies are some of the most beautiful and photogenic residents of the universe. Our own Milky Way is a spiral. Our solar system and Earth reside somewhere near one of its filamentous arms. And nearly 70 percent of the galaxies closest to the Milky Way are spirals.

But despite their common shape, how galaxies like ours get and maintain their characteristic arms has proved to be an enduring puzzle in astrophysics. How do the arms of spiral galaxies arise? Do they change or come and go over time?

The answers to these and other questions are now coming into focus as researchers capitalize on powerful new computer simulations to follow the motions of as many as 100 million "stellar particles" as gravity and other astrophysical forces sculpt them into familiar galactic shapes. A team of researchers from the University of Wisconsin-Madison and the Harvard-Smithsonian Center for Astrophysics reports simulations that seem to resolve long-standing questions about the origin and life history of spiral arms in disk galaxies.

"We show for the first time that stellar spiral arms are not transient features, as claimed for several decades," says UW-Madison astrophysicist Elena D'Onghia, who led the new research along with Harvard colleagues Mark Vogelsberger and Lars Hernquist.

"The spiral arms are self-perpetuating, persistent, and surprisingly long lived," adds Vogelsberger.

The origin and fate of the emblematic spiral arms in disk galaxies have been debated by astrophysicists for decades, with two theories predominating. One holds that the arms come and go over time. A second and widely held theory is that the material that makes up the arms -- stars, gas and dust -- is affected by differences in gravity and jams up, like cars at rush hour, sustaining the arms for long periods.

The new results fall somewhere in between the two theories and suggest that the arms arise in the first place as a result of the influence of giant molecular clouds -- star forming regions or nurseries common in galaxies. Introduced into the simulation, the clouds act as "perturbers" and are enough to not only initiate the formation of spiral arms but to sustain them indefinitely.

"We find they are forming spiral arms," explains D'Onghia. "Past theory held the arms would go away with the perturbations removed, but we see that (once formed) the arms self-perpetuate, even when the perturbations are removed. It proves that once the arms are generated through these clouds, they can exist on their own through (the influence of) gravity, even in the extreme when the perturbations are no longer there."

The new study modeled stand-alone disk galaxies, those not influenced by another nearby galaxy or object. Some recent studies have explored the likelihood that spiral galaxies with a close neighbor (a nearby dwarf galaxy, for example) get their arms as gravity from the satellite galaxy pulls on the disk of its neighbor.

According to Vogelsberger and Hernquist, the new simulations can be used to reinterpret observational data, looking at both the high-density molecular clouds as well as gravitationally induced "holes" in space as the mechanisms that drive the formation of the characteristic arms of spiral galaxies.

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The above story is reprinted from materials provided by Harvard-Smithsonian Center for Astrophysics.

Note: Materials may be edited for content and length. For further information, please contact the source cited above.


Journal Reference:

  1. Elena D'Onghia, Mark Vogelsberger, Lars Hernquist. Self-Perpetuating Spiral Arms in Disk Galaxies. The Astrophysical Journal, March 20, 2013 [link]

Note: If no author is given, the source is cited instead.

Disclaimer: Views expressed in this article do not necessarily reflect those of ScienceDaily or its staff.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/top_technology/~3/shO5jSkUHKs/130402124821.htm

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Monday, April 1, 2013

New clues about how amyotrophic lateral sclerosis (ALS) develops

Mar. 31, 2013 ? Johns Hopkins scientists say they have evidence from animal studies that a type of central nervous system cell other than motor neurons plays a fundamental role in the development of amyotrophic lateral sclerosis (ALS), a fatal degenerative disease. The discovery holds promise, they say, for identifying new targets for interrupting the disease's progress.

In a study described online in Nature Neuroscience, the researchers found that, in mice bred with a gene mutation that causes human ALS, dramatic changes occurred in oligodendrocytes -- cells that create insulation for the nerves of the central nervous system -- long before the first physical symptoms of the disease appeared. Oligodendrocytes located near motor neurons -- cells that govern movement -- died off at very high rates, and new ones regenerated in their place were inferior and unhealthy.

The researchers also found, to their surprise, that suppressing an ALS-causing gene in oligodendrocytes of mice bred with the disease -- while still allowing the gene to remain in the motor neurons -- profoundly delayed the onset of ALS. It also prolonged survival of these mice by more than three months, a long time in the life span of a mouse. These observations suggest that oligodendrocytes play a very significant role in the early stage of the disease.

"The abnormalities in oligodendrocytes appear to be having a negative impact on the survival of motor neurons," says Dwight E. Bergles, Ph.D., a co-author and a professor of neuroscience at the Johns Hopkins University School of Medicine. "The motor neurons seem to be dependent on healthy oligodendrocytes for survival, something we didn't appreciate before."

"These findings teach us that cells we never thought had a role in ALS not only are involved but also clearly contribute to the onset of the disease," says co-author Jeffrey D. Rothstein, M.D., Ph.D., a professor of neurology at Johns Hopkins and director of the Johns Hopkins Medicine Brain Science Institute.

Scientists have long believed that oligodendrocytes functioned only as structural elements of the central nervous system. They wrap around nerves, making up the myelin sheath that provides the "insulation" that allows nerve signals to be transmitted rapidly and efficiently. However, Rothstein and others recently discovered that oligodendrocytes also deliver essential nutrients to neurons, and that most neurons need this support to survive.

The Johns Hopkins team of Bergles and Rothstein published a paper in 2010 that described in mice with ALS an unexpected massive proliferation of oligodendrocyte progenitor cells in the spinal cord's motor neurons, and that these progenitors were being mobilized to make new oligodendrocytes. The researchers believed that these cells were multiplying because of an injury to oligodendrocytes, but they weren't sure what was happening. Using a genetic method of tracking the fate of oligodendrocytes, in the new study, the researchers found that cells present in young mice with ALS were dying off at an increasing rate in concert with advancing disease. Moreover, the development of the newly formed oligodendrocytes was stalled and they were not able to provide motor neurons with a needed source of cell nutrients.

To determine whether the changes to the oligodendrocytes were just a side effect of the death of motor neurons, the scientists used a poison to kill motor neurons in the ALS mice and found no response from the progenitors, suggesting, says Rothstein, that it is the mutant ALS gene that is damaging oligodendrocytes directly.

Meanwhile, in separate experiments, the researchers found similar changes in samples of tissues from the brains of 35 people who died of ALS. Rothstein says it may be possible to see those changes early on in the disease and use MRI technology to follow progression.

"If our research is confirmed, perhaps we can start looking at ALS patients in a different way, looking for damage to oligodendrocytes as a marker for disease progression," Rothstein says. "This could not only lead to new treatment targets but also help us to monitor whether the treatments we offer are actually working."

ALS, also known as Lou Gehrig's disease, named for the Yankee baseball great who died from it, affects nerve cells in the brain and spinal cord that control voluntary muscle movement. The nerve cells waste away or die, and can no longer send messages to muscles, eventually leading to muscle weakening, twitching and an inability to move the arms, legs and body. Onset is typically around age 50 and death often occurs within three to five years of diagnosis. Some 10 percent of cases are hereditary.

There is no cure for ALS and there is only one FDA-approved drug treatment, which has just a small effect in slowing disease progression and increasing survival.

Even though myelin loss has not previously been thought to occur in the gray matter, a region in the brain where neurons process information, the researchers in the new study found in ALS patients a significant loss of myelin in one of every three samples of human tissue taken from the brain's gray matter, suggesting that the oligodendrocytes were abnormal. It isn't clear if the oligodendrocytes that form this myelin in the gray matter play a different role than in white matter -- the region in the brain where signals are relayed.

The findings further suggest that clues to the treatment of other diseases long believed to be focused in the brain's gray matter -- such as Alzheimer's disease, Huntington's disease and Parkinson's disease -- may be informed by studies of diseases of the white matter, such as multiple sclerosis (MS). Bergles says ALS and MS researchers never really thought their diseases had much in common before.

Oligodendrocytes have been under intense scrutiny in MS, Bergles says. In MS, the disease over time can transform from a remitting-relapsing form -- in which myelin is attacked but then is regenerated when existing progenitors create new oligodendrocytes to re-form myelin -- to a more chronic stage in which oligodendrocytes are no longer regenerated. MS researchers are working to identify new ways to induce the creation of new oligodendrocytes and improve their survival. "It's possible that we may be able to dovetail with some of the same therapeutics to slow the progression of ALS," Bergles says.

Other Johns Hopkins researchers involved in the study include Shin H. Kang, Ph.D.; Ying Li, Ph.D.; Ileana Lorenzini, M.S.; and Lyle Ostrow, M.D., Ph.D.

This research was supported by grants from the National Institutes of Health's National Institute of Neurological Disorders and Stroke (NS 051509), the ALS Association, P2ALS, the Robert Packard Center for ALS Research at Johns Hopkins and the Brain Science Institute.

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The above story is reprinted from materials provided by Johns Hopkins Medicine, via Newswise.

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Note: If no author is given, the source is cited instead.

Disclaimer: This article is not intended to provide medical advice, diagnosis or treatment. Views expressed here do not necessarily reflect those of ScienceDaily or its staff.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/~3/oRzxChOcUuo/130331165048.htm

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