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Cord Blood Stem Cells Increased Tenfold

September 29, 2014 2:34 pm | by Cynthia Fox | Articles | Comments

Ten times more stem cells may soon be generated from umbilical cords than ever before, according to a new Science study. The potential advance was made via a little-known pyrimidoindole molecule called UM171.

Scientists Identify Signature of Aging in the Brain

September 29, 2014 1:14 pm | News | Comments

How the brain ages is still largely an open question– in part because this organ is mostly insulated from direct contact with other systems in the body, including the blood and immune systems. Now, new research may have found evidence of a unique “signature” that may be the “missing link” between cognitive decline and aging.

Protein that Causes Frontotemporal Dementia also Implicated in Alzheimer’s

September 29, 2014 12:56 pm | News | Comments

Researchers have shown that low levels of the protein progranulin in the brain can increase the formation of amyloid-beta plaques (a hallmark of Alzheimer’s disease), cause neuroinflammation, and worsen memory deficits in a mouse model of this condition.

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Biologists Find an Early Sign of Pancreatic Cancer

September 29, 2014 12:39 pm | News | Comments

Years before they show any other signs of disease, pancreatic cancer patients have very high levels of certain amino acids in their bloodstream, according to a new study.                        

Chikungunya Spreading in Latin America

September 29, 2014 8:30 am | by Ezequiel Abiu Lopez - Associated Press - Associated Press | News | Comments

An excruciating mosquito-borne illness that arrived less than a year ago in the Americas is raging across the region, leaping from the Caribbean to the Central and South American mainland, and infecting more than 1 million people.      

Virus Probed in Paralysis Cases in 9 Colorado Kids

September 29, 2014 8:30 am | by Mike Stobbe - AP Medical Writer - Associated Press | News | Comments

Health officials are investigating nine cases of muscle weakness or paralysis in Colorado children and whether the culprit might be a virus causing severe respiratory illness across the country.                 

U.S. Doctor Exposed to Ebola Virus Admitted to NIH

September 28, 2014 5:35 pm | News | Comments

An American doctor who was exposed to the Ebola virus while volunteering in Sierra Leone has been admitted for observation at The National Institutes of Health near the nation's capital. NIH confirmed in a news release on its website that the physician arrived Sunday.

At Least Two Regions of the Brain Decide What We Perceive

September 26, 2014 8:30 am | News | Comments

Tests on the brains of macaques have shown that neurons in at least two regions of the brain, the temporal and frontal lobes, are responsible for deciding which impressions reach our consciousness.                

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Simple Blood Test a Possible Tool for Early Cancer Diagnosis

September 26, 2014 8:30 am | News | Comments

High levels of calcium in blood, a condition known as hypercalcemia, can be used by GPs as an early indication of certain types of cancer, according to a new study.                          

Alzheimer's Patients Can Feel the Emotion After the Memories Have Vanished

September 26, 2014 8:30 am | News | Comments

A new study further supports an inescapable message: caregivers have a profound influence— good or bad— on the emotional state of individuals with Alzheimer’s disease.                       

How a Single, Genetic Change Causes Retinal Tumors in Children

September 26, 2014 8:30 am | News | Comments

New research has answered the long-standing question of why mutations to the RB1 gene primarily cause tumors of the retina and not of other cell types. The study could reveal new cellular signaling pathways relevant to retinal development, cancer development, and ultimately, the development of novel therapies.

Chemists Recruit Anthrax to Deliver Cancer Drugs

September 26, 2014 8:30 am | News | Comments

Bacillus anthracis bacteria have very efficient machinery for injecting toxic proteins into cells, leading to the potentially deadly infection known as anthrax. A team of researchers has now hijacked that delivery system for a different purpose: administering cancer drugs.

Pancreatic Cancer Insight

September 25, 2014 8:30 am | News | Comments

An analysis of circulating tumor cells (CTCs) in a mouse model of pancreatic cancer has identified distinct patterns of gene expression in several groups of these cells, including significant differences from the primary tumor that may contribute to their ability to spread.

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Study Supports Camels as Primary Source of MERS-CoV Transmission

September 25, 2014 8:30 am | News | Comments

Scientists have provided experimental evidence supporting dromedary camels as the primary reservoir, or carrier, of Middle East respiratory syndrome coronavirus (MERS-CoV).                       

Toward Better Treatments for Autoimmune Diseases, Bone Loss

September 25, 2014 8:30 am | News | Comments

Scientists have developed an approach to creating treatments for osteoporosis and autoimmune diseases that may avoid the risk of infection and cancer posed by some current medications.                   

U.S. Issues New Rules for University Germ Research

September 25, 2014 8:30 am | by Lauran Neergaard - AP Medical Writer - Associated Press | News | Comments

The Obama administration is tightening oversight of high-stakes scientific research involving dangerous germs that could raise biosecurity concerns, imposing new safety rules on universities and other institutions where such work is done.   

Think You Have Alzheimer's? You May Be Right

September 25, 2014 8:30 am | News | Comments

New research suggests that people who notice their memory is slipping may be on to something. The research appears to confirm that self-reported memory complaints are strong predictors of clinical memory impairment later in life.      

First Mouse Model for ALS Dementia Developed

September 25, 2014 8:30 am | News | Comments

The first animal model for ALS dementia, a form of ALS that also damages the brain, has been developed by scientists. The advance will allow researchers to directly see the brains of living mice, under anesthesia, at the microscopic level.   

BST This Week #18: Brain Test May Improve Autism Diagnosis

September 24, 2014 4:07 pm | Videos | Comments

On this episode of Bioscience Technology This Week, Christina Jakubowski covers research showing that measuring the brain’s response to sights and sounds can help in classifying people on the autism spectrum. Our second story looks at how the human response to unfairness may have involved in support of long-term cooperation.

Enzyme Could Aid Fight of Parasite-borne Diseases

September 24, 2014 3:49 pm | News | Comments

An enzyme found in all living things could be key to fighting deadly parasite-borne diseases, according to a new study. Research into the enzyme, which helps cells convert nutrients into energy, has shown that it is activated in different ways in various species.

Aging Can be Manipulated for Longer Lifespan

September 24, 2014 3:02 pm | News | Comments

Life expectancy, affected by numerous factors such as better nutrition and availability of vaccines, has increased. Around 150 years ago it was something like 40 years old, and 1,000 years ago about 25. But even as we increasingly reach what appear to be the limits of lifespan, there is likely still scope for even longer lifespans.

Tonsil Stem Cells May Help Repair Liver Damage

September 24, 2014 2:50 pm | News | Comments

The liver provides critical functions, such as ridding the body of toxins. Its failure can be deadly, and there are few options for fixing it. But scientists now report a way to potentially inject stem cells from tonsils to repair damaged livers without surgery.

Diabetes in Need of New Screening, Management Approach

September 24, 2014 2:39 pm | News | Comments

Doctors at three leading research institutions and the American Diabetes Association report that treating patients with prediabetes as if they had diabetes could help prevent or delay the most severe complications associated with this chronic disease.

Alcohol Sensations Influenced by Genes

September 24, 2014 2:31 pm | News | Comments

How people perceive and taste alcohol depends on genetic factors, and that likely influences whether they "like" and consume alcoholic beverages, according to researchers.                       

Breaking News: Multitasking May Change Brain Structure

September 24, 2014 2:06 pm | News | Comments

Simultaneously using mobile phones, laptops and other media devices could be changing the structure of our brains, according to new research.                               

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