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Technique Helps ID Early Alzheimer’s

September 2, 2014 2:18 pm | News | Comments

Researchers have developed a technique to create a highly sensitive surface for measuring the concentration of a peptide that is a biomarker for early stage Alzheimer’s disease.                     

A New Way to Diagnose Malaria

September 2, 2014 2:09 pm | News | Comments

A research team has devised a way to use magnetic resonance relaxometry (MRR), a close cousin of...

Surprising New Role for Calcium in Sensing Pain

September 2, 2014 1:54 pm | Videos | Comments

When you accidentally touch a hot oven, you rapidly pull your hand away. Although scientists...

Training Your Brain to Prefer Healthy Foods

September 2, 2014 1:42 pm | News | Comments

It may be possible to train the brain to prefer healthy low-calorie foods over unhealthy higher-...

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Spinach Extract Decreases Food Cravings

September 2, 2014 1:32 pm | Videos | Comments

A spinach extract containing green leaf membranes called thylakoids decreases hedonic hunger with up to 95 percent and increases weight loss by 43 percent, according to a new study.                   

World is 'Losing the Battle' Against Ebola

September 2, 2014 12:23 pm | by Alexandra Olson - Associated Press - Associated Press | News | Comments

The international group Doctor Without Borders warned Tuesday that the world is `losing the battle' against Ebola, while U.N. officials implored all countries to quickly step up their response by contributing health experts and other help.    

This is Your Brain's Blood Vessels on Drugs

August 29, 2014 8:30 am | News | Comments

A new method for measuring and imaging how quickly blood flows in the brain could help doctors and researchers better understand how drug abuse affects the brain, which may aid in improving brain-cancer surgery and tissue engineering, and lead to better treatment options for recovering drug addicts.

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BST This Week #12: ‘Sleep Drunkenness’ May Affect 1 in 15 People

August 29, 2014 8:30 am | Videos | Comments

On this episode of Bioscience Technology This Week, Christina Jakubowski talks about “sleep drunkenness,” a sleep disorder that likely affects 1 in every 15 people. Our second story covers new research into how hummingbirds came to detect sweetness in nectar.

From Bite Site to Brain: How Rabies Virus Hijacks Nerve Cells

August 29, 2014 8:30 am | News | Comments

New research sheds light on how the rabies virus hijacks the transport system in nerve cells to reach the brain with maximal speed and efficiency.                              

CTC Clusters More Likely to Cause Metastasis

August 29, 2014 8:30 am | News | Comments

Circulating tumor cell clusters- clumps of from two to 50 tumor cells that break off a primary tumor and are carried through the bloodstream- appear to be much more likely to cause metastasis than are single CTCs, according to a new study.    

Genomic Sequencing Reveals Insights into Ebola Outbreak

August 29, 2014 8:30 am | News | Comments

In response to an ongoing, unprecedented outbreak of Ebola virus disease (EVD) in West Africa, a team of researchers has rapidly sequenced and analyzed more than 99 Ebola virus genomes.                   

U.S. to Begin Safety Testing Ebola Vaccine

August 28, 2014 9:23 am | by Seth Borenstein - AP Science Writer - Associated Press | News | Comments

Federal researchers next week will start testing humans with an experimental vaccine to prevent the deadly Ebola virus. The NIH announced today that it is launching the safety trial on a vaccine developed by the agency's National Institute of Allergy and Infectious Diseases and GSK.

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Scientists Plug Into a Learning Brain

August 28, 2014 8:30 am | News | Comments

Learning is easier when it only requires nerve cells to rearrange existing patterns of activity than when the nerve cells have to generate new patterns, a study of monkeys has found.                   

Attacking a Rare Disease at its Source with Gene Therapy

August 28, 2014 8:30 am | News | Comments

Using an animal model, a research team has proven the efficacy of a more elegant way to treat the rare disease MPS I through direct gene transfer.                              

Memories' Emotional Associations Can be Reversed

August 28, 2014 8:30 am | News | Comments

A new study revealed the brain circuit that controls how memories become linked with positive or negative emotions, and researchers found that they could reverse the emotional association of specific memories by manipulating brain cells with optogenetics.

Scientists Link Alcohol-dependence Gene to Neurotransmitter

August 28, 2014 8:30 am | News | Comments

Scientists have solved the mystery of why a specific signaling pathway can be associated with alcohol dependence. This signaling pathway is regulated by a gene, called neurofibromatosis type 1 (Nf1), which is linked with excessive drinking in mice.

Study Shows How Movement Affects Hearing

August 28, 2014 8:30 am | News | Comments

A new study combines cutting-edge methods in electrophysiology, optogenetics and behavioral analysis to reveal exactly how the motor cortex, seemingly in anticipation of movement, can tweak the volume control in the auditory cortex.     

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Estrogen-based Compound Suppresses Binge Eating

August 27, 2014 1:00 pm | News | Comments

Researchers found that the hormone estrogen can specifically trigger brain serotonin neurons to inhibit binge eating, which affects about 5 to 10 percent of U.S. adults, in female mice.                 

Tomato-rich Diet Can Cut Prostate Cancer Risk

August 27, 2014 12:47 pm | News | Comments

Men who eat over 10 portions a week of tomatoes have an 18 per cent lower risk of developing prostate cancer, new research suggests. This is the first study of its kind to develop a prostate cancer "dietary index."         

Study Questions Long-held Depression Belief

August 27, 2014 12:40 pm | News | Comments

New evidence puts into doubt the long-standing belief that a deficiency in serotonin— a chemical messenger in the brain— plays a central role in depression.                            

BST This Week #11: Obesity Linked to Heightened Dementia Risk

August 27, 2014 11:29 am | Videos | Comments

On this episode of Bioscience Technology This Week, Christina Jakubowski highlights the link between mid-life obesity and an increased dementia risk later in life. Our second story focuses on researchers who are sequencing salamander genomes.   

3rd Doctor Dies from Ebola in Sierra Leone

August 27, 2014 10:23 am | by Clarence Roy-Macaulay - Associated Press - Associated Press | News | Comments

A third top doctor has died from Ebola in Sierra Leone, a government official said Wednesday, as health workers tried to determine how a fourth scientist also contracted the disease before being evacuated to Europe.           

DIY Blood Pressure Care Can Beat MDs

August 27, 2014 8:24 am | by Lindsey Tanner - AP Medical Writer - Associated Press | News | Comments

"Do-it-yourself" blood pressure measurements and medicine changes work better than usual doctor-office care in some patients, a study of older adults in England found.                        

Japan Sees First Local Dengue Case in Over 60 Years

August 27, 2014 12:22 am | by The Associated Press | News | Comments

Japanese health authorities have reported the first locally transmitted case of dengue fever in the country in more than 60 years. The ministry says the case occurred in Saitama, a prefecture adjacent to Tokyo.            

Fiber-based Ingredient Can Make You Eat Less

August 26, 2014 2:05 pm | News | Comments

Scientists have demonstrated the effectiveness of a fiber-based dietary ingredient that makes people feel less hungry and consume less food. Tthe new product  consists of a combination of dietary fiber sources including a viscous hydrocolloid and a whole-grain corn flour rich in resistant starch.

Cancer Leaves a Common Fingerprint on DNA

August 26, 2014 1:45 pm | News | Comments

Regardless of their stage or type, cancers appear to share a telltale signature of widespread changes to the so-called epigenome, according to a team of researchers. In a study of a broad variety of cancers the investigators say they have found widespread and distinctive changes to chemical marks known as methyl groups attached to DNA.

Sorting Cells with Sound Waves

August 26, 2014 1:29 pm | Videos | Comments

Researchers have devised a new way to separate cells by exposing them to sound waves as they flow through a tiny channel. Their device could be used to detect the extremely rare tumor cells that circulate in cancer patients’ blood.     

Crohn's Gene Discovery May Lead to Better Screening

August 26, 2014 1:23 pm | News | Comments

Scientists have identified chemical changes in the DNA of patients with Crohn’s disease that could help to screen people for the disease. These changes can be detected in blood samples, opening the door to a simple test for Crohn’s disease.    

Protein Inhibits HIV Release

August 26, 2014 12:20 pm | News | Comments

The TIM family of proteins that promotes virus entry into cells also has the ability to block the release of HIV and other viruses, researchers have found.                           

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