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BST This Week #10: Gene Mutation Key to High-Altitude Living

August 22, 2014 1:38 pm | Videos | Comments

On this episode of Bioscience Technology This Week, Christina Jakubowski covers a genetic mutation that allows high-altitude-dwelling Tibetans to survive in the peaks of the Tibetan Plateau. Our second story looks at how minor infections increase stroke risk in children.

Are Three Brain Imaging Techniques Better than One?

August 22, 2014 1:13 pm | News | Comments

To date, almost all studies of autism in children have used a single imaging technique to...

Laser Device May End Pin Pricks for Diabetics

August 22, 2014 12:12 pm | News | Comments

Researchers have developed a way to use a laser to measure people's blood sugar, and, with more...

Skin Cells Reprogrammed to Mimic Rare Disease

August 22, 2014 11:38 am | News | Comments

Stem cell biologists have found a way to reprogram a patient’s skin cells into cells that mimic...

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Autistic Children Have Extra Brain Synapses

August 22, 2014 11:23 am | Videos | Comments

Children and adolescents with autism have a surplus of synapses in the brain, and this excess is due to a slowdown in a normal brain “pruning” process during development, according to a new study.                

8 Questions About the Recovered U.S. Ebola Patients

August 22, 2014 8:30 am | by Mike Stobbe - AP Medical Writer - Associated Press | News | Comments

Two American aid workers have recovered from Ebola and left an Atlanta hospital, after weeks of intensive treatment in a special isolation unit. They were first two Ebola patients ever brought to the United States.           

Combining Vaccines Boosts Polio Immunity

August 22, 2014 8:22 am | by Lauran Neergaard - AP Medical Writer - Associated Press | News | Comments

New research suggests a one-two punch could help battle polio in some of the world's most remote and strife-torn regions: Giving a single vaccine shot to children who've already swallowed drops of an oral polio vaccine greatly boosted their immunity.

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Severing Nerves May Shrink Stomach Cancers

August 21, 2014 11:07 am | News | Comments

Research shows that nerves may play a critical role in stomach cancer growth and that blocking nerve signals using surgery or Botox (onabotulinumtoxinA) could be an effective treatment for the disease.              

Scientists Discover Brain Area Responsible for Exercise Motivation

August 21, 2014 11:01 am | News | Comments

Scientists have discovered an area of the brain that could control a person’s motivation to exercise and participate in other rewarding activities, potentially leading to improved treatments for depression.             

Missing Protein Restored in Patients with Muscular Dystrophy

August 21, 2014 10:52 am | News | Comments

For the first time, a research team has succeeded in restoring a missing repair protein in skeletal muscle of patients with muscular dystrophy.                               

‘Sleep Switch’ Neurons Diminish with Age, AD

August 21, 2014 10:40 am | News | Comments

As people grow older, they often have difficulty falling asleep and staying asleep, and tend to awaken too early in the morning. Now, a new study helps explain why sleep becomes more fragmented with age.              

TB Likely Spread with Help from Seals, Sea Lions

August 21, 2014 10:34 am | News | Comments

Scientists who study tuberculosis have long debated its origins. New research shows that tuberculosis likely spread from humans in Africa to seals and sea lions that brought the disease to South America and transmitted it to Native people there before Europeans landed on the continent.

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Both American Ebola Patients Discharged from Hospital

August 21, 2014 8:22 am | by Jeff Martin and Katie Foody - Associated Press - Associated Press | News | Comments

After nearly three weeks of treatment, the two American aid workers who were infected with the deadly Ebola virus in Africa have been discharged from an Atlanta hospital, officials said Thursday.               

Enzyme Holds the Door for Influenza

August 20, 2014 12:47 pm | News | Comments

The enzyme phospholipase D (PLD) helps the influenza virus escape the immune response, and blocking it could lead to a new way to prevent the flu.                             

Type 1, Type 2 Diabetes Share Underlying Mechanism

August 20, 2014 12:36 pm | News | Comments

New work by scientists suggests that both major forms of diabetes, type 1 and type 2, are the result of the same mechanism - the formation of toxic clumps of a hormone called amylin.                   

Gene Predicts Breast Cancer Relapse, Response to Chemo

August 20, 2014 12:29 pm | News | Comments

Scientists have made it easier to predict both breast cancer relapses and responses to chemotherapy, through the identification of a unique gene, a new study shows.                         

Brain Size Linked to Parental Duties in Fish

August 20, 2014 12:06 pm | News | Comments

Male stickleback fish that protect their young have bigger brains than counterparts - male white sticklebacks, which do not tend to their offspring - a new study found.                      

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Physical Fitness Makes Kids' Brains Bigger

August 19, 2014 1:41 pm | News | Comments

A new study of 9- and 10-year-olds finds that those who are more aerobically fit have more fibrous and compact white-matter tracts in the brain than their peers who are less fit.                     

Targeted Brain Stimulation Aids Stroke Recovery

August 19, 2014 1:27 pm | News | 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.

DNA Sequencing Spots Genetic Key to Lupus

August 19, 2014 12:30 pm | News | 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.

Breakthrough in the Fight Against Drug-resistant Superbugs

August 19, 2014 11:51 am | News | 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.     

Critical Wound-healing Proteins Identified

August 19, 2014 11:13 am | News | Comments

Mice missing two important proteins of the vascular system develop normally and appear healthy in adulthood, as long as they don’t become injured. If they do, their wounds don’t heal properly, a new study shows.           

Ebola Has Killed More Than 1,200, WHO Says

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

Next-Generation Sequencing and the Transformation of Cancer Care

August 18, 2014 3:20 pm | by Darren Lee, Vice President, Marketing & Business Development, Nabsys | White Papers

NGS is revolutionizing the field of genome biology, with much faster data generation, increased accuracy, and a dramatic reduction of sequencing costs. Multiple genomes can now be sequenced in parallel by a single instrument in a matter of days. In the medical field, NGS is already having an impact in genetic screening and holds great potential in oncology, given the genetic aspects of cancerous disease.

Do Gut Bacteria Rule Our Minds?

August 18, 2014 12:46 pm | News | 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.  

Can Twitter Help Better Identify Foodborne Illness Cases?

August 18, 2014 12:33 pm | News | 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?

Epigenetic Breakthrough Bolsters Understanding of Alzheimer’s

August 18, 2014 12:12 pm | News | 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. 

Antibiotics in Early Life May Alter Long-term Immunity

August 18, 2014 11:34 am | News | 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.        

Suspect Gene Corrupts Neural Connections

August 18, 2014 10:58 am | News | 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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