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Enzyme Can Halt Plaque Build-up in Mice with Alzheimer's

December 4, 2013 12:30 pm | News | Comments

Scientists have identified an enzyme that can halt or possibly even reverse the build-up of toxic protein fragments known as plaques in the brains of mice with Alzheimer’s disease.                     

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Prostate Cancer Stem Cells Are a Moving Target

December 4, 2013 12:19 pm | News | Comments

Researchers have discovered how prostate cancer stem cells evolve as the disease progresses, a finding that could help point the way to more highly targeted therapies.                       

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Flipping a Switch Can 'Remodel' Cell Types

December 4, 2013 12:09 pm | News | Comments

With few exceptions, cells don’t change type once they have become specialized. However, new findings have identified a method for changing one cell type into another in a process called forced transdifferentiation.          

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Probing the Link Between Parkinson’s, Pesticides

December 4, 2013 11:37 am | News | Comments

In a seemingly simple experiment, a scientist exposes rats to a certain pesticide over several days, and the rodents start showing symptoms remarkably similar to those seen in Parkinson’s patients.               

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Secret-keeping Causes Mental Impairments

December 4, 2013 11:32 am | News | Comments

Stress from having to keep a secret– one’s sexual orientation, for example, or simply a forbidden word– can cause lapses in physical stamina, intellectual acuity, executive function and even email etiquette.             

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FDA warns of problems with Philips heart devices

December 3, 2013 6:20 pm | by The Associated Press | News | Comments

Federal health regulators are warning the public not to use certain defibrillators recalled by Philips Healthcare because the heart-shocking devices may fail in an emergency. Philips recalled three models of its HeartStart devices in September 2012 due to an electrical malfunction. The recall...

Investors cool on biotech IPOs as shares fall

December 3, 2013 6:15 pm | by JOSHUA FREED - AP Business Writer - Associated Press | News | Comments

Biotech IPOs have gone from hot to cold. Biotechnology stocks were among the most sought-after initial public offerings this year, with 38 through mid-November. That's the most to go public since 2000, according to Credit Suisse. But all five biotech offerings planned for the week of Nov. 18 were...

Notre Dame sues over birth control mandate

December 3, 2013 4:49 pm | by TOM COYNE - Associated Press - Associated Press | News | Comments

The University of Notre Dame on Tuesday filed another lawsuit opposing portions of the federal health care overhaul that forces it to provide health insurance for students and employees that includes birth control, saying it contravenes the teachings of the Roman Catholic Church. The lawsuit...

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Brain Activity Discovery May Lead to Better PTSD Treatments

December 3, 2013 3:20 pm | by Harvard Medical School | News | Comments

In a new study, researchers report that increased activity in the medial prefrontal cortex of the brain is linked to decreased activity in the amygdala, the portion of the brain where memories of frightening events are created.       

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23andMe Faces Class Action Lawsuit

December 3, 2013 2:58 pm | by MATTHEW PERRONE -- AP Health Writer | News | Comments

Genetic testing company 23andMe is facing a class action lawsuit alleging that the Silicon Valley startup misled customers about its test kit. The test is promoted as helping predict users' disease risk based on their DNA.        

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Imaging Cytometer Enables Stain-free, Cell-based Analysis

December 3, 2013 2:02 pm | Product Releases | Comments

The next-generation SpectraMax MiniMax 300 Imaging Cytometer from Molecular Devices enables both cellular visualization and first-of-its-kind stain-free, cell-based analysis on the field-upgradable SpectraMax i3 Multi-Mode Microplate Reader.

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Restoring 'Exhausted' HIV-fighting Immune Cells

December 3, 2013 12:35 pm | News | Comments

Researchers have identified a protein that causes loss of function in immune cells combatting HIV. The scientists report that the protein, Sprouty-2, is a promising target for future HIV drug development.                 

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Study IDs New Gene Variant for Sporadic ALS

December 3, 2013 12:28 pm | News | Comments

Researchers have identified a new genetic variant, located on chromosome 17, associated with sporadic amyotrophic lateral sclerosis (ALS)– the most common form of motor neuron disease.                   

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Brains of Men, Women Have Striking Wiring Differences

December 3, 2013 12:21 pm | News | Comments

A new brain connectivity study found striking differences in the neural wiring of men and women that’s lending credence to some commonly held beliefs about their behavior.                       

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High Cholesterol Fuels the Growth, Spread of Breast Cancer

December 3, 2013 12:10 pm | Videos | Comments

A byproduct of cholesterol functions like the hormone estrogen to fuel the growth and spread of the most common types of breast cancers, researchers report.                            

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