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Reactivated Gene Sets Immune System Back 500M Years

August 19, 2014 | Comments

A single factor can reset the immune system of mice to a state likely similar to what it was 500 million years ago. Scientists reactivated expression of an ancient gene in mice, which is not normally expressed in the mammalian immune system, and found that the animals developed a fish-like thymus.

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Targeted Brain Stimulation Aids Stroke Recovery

August 19, 2014 1:27 pm | Comments

When investigators applied light-driven stimulation to nerve cells in the brains of mice that had suffered strokes several days earlier, the mice showed significantly greater recovery in motor ability than mice that had experienced strokes but whose brains weren’t stimulated.

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DNA Sequencing Spots Genetic Key to Lupus

August 19, 2014 12:30 pm | Comments

Medical researchers have used DNA sequencing to identify a gene variant responsible for causing lupus in a young patient. The development shows that, for the first time, it is feasible for researchers to identify the individual causes of lupus in patients by using DNA sequencing.

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Breakthrough in the Fight Against Drug-resistant Superbugs

August 19, 2014 11:51 am | Comments

Scientists have made a breakthrough in the fight against the most resistant hospital superbugs by developing the first innovative antibacterial gel that acts to kill Pseudomonas aeruginosa, staphylococci and E. coli, using natural proteins.     

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Liberia: Missing suspected Ebola patients found

August 19, 2014 8:24 am | by Jonathan Paye-layleh - Associated Press - Associated Press | Comments

People who were being screened for Ebola when they fled a health center during looting have turned themselves into a hospital, a Liberian official said Tuesday. The patients fled when an Ebola holding facility was ransacked in Liberia's capital, Monrovia, on Saturday night, raising fears that the...

Ebola Has Killed More Than 1,200, WHO Says

August 19, 2014 6:19 am | by The Associated Press | Comments

The U.N. health agency says the Ebola outbreak in West Africa has now killed more than 1,200 people. The World Health Organization says the death toll has risen to 1,229 from among the 2,240 reported cases in Guinea, Liberia, Nigeria and Sierra Leone. 

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4 at slaughterhouse behind beef recall indicted

August 18, 2014 6:21 pm | by The Associated Press | Comments

A federal grand jury has indicted four officials at a Northern California slaughterhouse, alleging they slaughtered diseased cows while inspectors were on their lunch breaks and distributed the cattle. The Petaluma-based slaughterhouse was at the center of massive beef recall earlier this year....

Mass. General-developed device monitors key step in development of tumor metastases

August 18, 2014 3:24 pm | by Mass General | Comments

A microfluidic device developed at Massachusetts General Hospital may help study the epithelial-mesenchymal transition, a fundamental change in cellular characteristics that has been associated with the ability of tumor cells to migrate and invade other sites.

100,000 elephants killed in Africa, study finds

August 18, 2014 3:24 pm | by Jason Straziuso - Associated Press - Associated Press | Comments

Poachers killed an estimated 100,000 elephants across Africa between 2010 and 2012, a huge spike in the continent's death rate of the world's largest mammals because of an increased demand for ivory in China and other Asian nations, a new study published Monday found. Warnings about massive...

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Emerging solar plants scorch birds in mid-air

August 18, 2014 1:25 pm | by Ellen Knickmeyer - Associated Press - Associated Press | Comments

IVANPAH DRY LAKE, Calif. (AP) — Workers at a state-of-the-art solar plant in the Mojave Desert have a name for birds that fly through the plant's concentrated sun rays — "streamers," for the smoke plume that comes from birds that ignite in midair. Federal wildlife investigators who visited the...

Allergan names Hindman chief financial officer

August 18, 2014 1:24 pm | by The Associated Press | Comments

Botox maker Allergan, which is fighting a hostile takeover bid from Valeant Pharmaceuticals, has named longtime executive Jim Hindman its new chief financial officer. Hindman will replace Jeff Edwards, who has resigned in order to spend more time with his family, the drugmaker said Monday. The...

Do Gut Bacteria Rule Our Minds?

August 18, 2014 12:46 pm | Comments

It sounds like science fiction, but it seems that bacteria within us– which outnumber our own cells about 100-fold– may very well be affecting both our cravings and moods to get us to eat what they want, and often are driving us toward obesity.  

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Can Twitter Help Better Identify Foodborne Illness Cases?

August 18, 2014 12:33 pm | Comments

An estimated 55 million to 105 million people in the United States suffer from foodborne illnesses each year, according to the CDC, resulting in costs of $2 to $4 billion annually. What if Twitter could be used to track those cases and more quickly identify the source of the problem?

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Epigenetic Breakthrough Bolsters Understanding of Alzheimer’s

August 18, 2014 12:12 pm | Comments

A team of researchers has uncovered some of the strongest evidence yet that epigenetic changes in the brain play a role in Alzheimer’s disease. The current study found that chemical modifications to DNA within the ANK1 gene are strongly associated with measures of neuropathology in the brain. 

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Antibiotics in Early Life May Alter Long-term Immunity

August 18, 2014 11:34 am | Comments

New research found that receiving antibiotic treatments early in life can increase susceptibility to specific diseases later on. The study helps scientists understand how different antibiotics affect good bacteria.        

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Suspect Gene Corrupts Neural Connections

August 18, 2014 10:58 am | Comments

A genetic variation linked to schizophrenia, bipolar disorder and severe depression wreaks havoc on connections among neurons in the developing brain, a team of researchers reports.                    

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