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Long-term Oral Contraceptive Use Doubles Glaucoma Risk

November 19, 2013 1:26 pm | News | Comments

New research has found that women who have taken oral contraceptives for three or more years are twice as likely to suffer from glaucoma, one of the leading causes of blindness which affects nearly 60 million worldwide.         

Functional Eggs Created from Adult Female Cells

November 13, 2013 12:04 pm | by Cynthia Fox | Articles | Comments

In a move that may end up having major impact on women, a research team has repeatedly made functional eggs— resulting in healthy live births— from adult mouse cells.                       

High Tungsten Levels Can Double Stroke Risk

November 12, 2013 12:44 pm | News | Comments

A new study has shown that high concentrations of tungsten– as measured in urine samples– is strongly linked with an increase in the occurrence of stroke, roughly equal to a doubling of the odds of experiencing the condition.       


Breaking News: New Theory of Cancer Development

October 31, 2013 12:07 pm | News | Comments

Researchers have devised a new way to understand patterns of aneuploidy in tumors and have proposed that the phenomenon is a driver of cancer, rather than a result of it.                     

Breaking News: Genetic Mutations Cause Obesity

October 24, 2013 12:07 pm | News | Comments

Researchers have discovered a novel genetic cause of severe obesity which, although relatively rare, demonstrates for the first time that genes can reduce basal metabolic rate.                     

Sleep Cleans Out Gunk in Brain

October 18, 2013 8:30 am | by ALICIA CHANG - AP Science Writer - Associated Press | News | Comments

When we sleep, our brains get rid of gunk that builds up while we're awake, suggests a study that may provide new clues to treat Alzheimer's disease and other disorders.                       

Genetic Errors Identified in 12 Major Cancers

October 17, 2013 11:55 am | News | Comments

Examining 12 major types of cancer, scientists have identified 127 repeatedly mutated genes that appear to drive the development and progression of a range of tumors in the body.                    

Breaking News: Schizophrenia Linked to Abnormal Brain Waves

October 16, 2013 12:10 pm | News | Comments

For the first time, neuroscientists have observed the neural activity that appears to produce the disordered thinking that causes delusions or hallucinations in patients with schizophrenia.                 


Digging for Antibiotics in the Dirt

October 14, 2013 10:29 am | News | Comments

In the battle against antibiotic resistant bacteria, McMaster researchers have found resistance itself is a successful pathway for discovering new antibiotic drugs. "In essence, we’ve made resistance useful instead of a scary problem," said Gerry Wright, professor and scientific director of the Michael G. DeGroote Institute for Infectious Disease Research.

Stomach Cells Naturally Revert to Stem Cells

October 11, 2013 11:38 am | News | Comments

New research has shown that the stomach naturally produces more stem cells than previously realized, likely for repair of injuries from infections, digestive fluids and the foods we eat.                  

Compound Prevents Neurodegeneration in Mice

October 10, 2013 11:13 am | News | Comments

Researchers who previously identified a major pathway leading to brain cell death in mice, have used an orally-administered compound to block the pathway, and prevented neurodegeneration in the mice.               

Good Cholesterol May Increase Breast Cancer Risk

October 9, 2013 11:42 am | News | Comments

High levels of HDL have been linked to increased breast cancer risks and to enhanced cancer aggressiveness in animal experiments. Now, a team of researchers has shown that an HDL receptor found on breast cancer cells may be responsible for this effect.

Breaking News: Genes Linked to Eating Disorders

October 8, 2013 12:32 pm | News | Comments

Scientists have discovered, by studying the genetics of two families severely affected by eating disorders, two gene mutations that are associated with increased risk of developing eating disorders.               


Cell Transportation Discovery Awarded Nobel for Medicine

October 7, 2013 10:00 am | by KARL RITTER - Associated Press - Associated Press | News | Comments

James Rothman, 62, of Yale University, Randy Schekman, 64, of the University of California, Berkeley, and Dr. Thomas Sudhof, 57, of Stanford University shared the $1.2 million Nobel prize in medicine for discovering how key substances are transported within cells, a process involved in such important activities as brain cell communication and the release of insulin.

Stem Cells Help Repair Brain Injuries

October 3, 2013 12:48 pm | News | Comments

Researchers have suggested a new view of how stem cells may help repair the brain following trauma. In a series of preclinical experiments, they report that transplanted cells appear to build a “biobridge” that links an uninjured brain site where new neural stem cells are born with the damaged region of the brain.

Alcohol Preference Gene Discovered in Rats

October 1, 2013 11:46 am | News | Comments

Selectively bred strains of laboratory rats that either prefer or avoid alcohol have been a mainstay of alcohol research for decades. Alcohol-preferring rats voluntarily consume much greater amounts of alcohol than do non-preferring rats. Now, scientists report that a specific gene plays an important role in the alcohol-consuming tendencies of both types of rats.

Breaking News: Testosterone Linked to Heart Health

September 24, 2013 1:13 pm | News | Comments

Men who have low testosterone levels may have a slightly elevated risk of developing or dying from heart disease, according to a recent study. Over time, low testosterone may contribute to an increase in body fat, loss of body hair and muscle bulk.

Tumors Caught Bursting Through a Blood Vessel

September 20, 2013 12:05 pm | Videos | Comments

Researchers at MIT have developed a microfluidic device that mimics the process of extravasation, showing the flow of cancer cells through a system of blood vessels. The extravasation process is a crucial step in cancer metastasis that, until now, has been unclear.

Bioscience Technology Update for September 20, 2013

September 20, 2013 11:46 am | Videos | Comments

In this edition of Bioscience Technology Update: Surgeons Successfully Implant Bioengineered Vein Genetically Modified Mosquitoes Lose Appetite for Humans Bacteria Ingested Through Yogurt Affects Brain Function Young Genes Can Become Essential for Life

Breaking News: Sugars Regulate Brain Development

September 19, 2013 2:14 pm | News | Comments

New research reveals how a tiny molecule called mir-79 regulates neural development in roundworms by controlling the correct balance of sugar-transmitters on signaling molecules. If mir-79 does not function, the nervous system is malformed.

Origins of Genomic 'Dark Matter' Discovered

September 19, 2013 12:17 pm | News | Comments

Scientists have achieved a major milestone in understanding how genomic "dark matter" originates. This "dark matter"- called non-coding RNA- comprises more than 95 percent of the human genome, but it does not contain the blueprint, or code, for making proteins.

Brain Likely Hard-wired for Chronic Pain

September 18, 2013 12:03 pm | News | Comments

The structure of the brain may predict whether a person will suffer chronic low back pain, according to researchers who used brain scans. The results support the growing idea that the brain plays a critical role in chronic pain, a concept that may lead to changes in the way doctors treat patients.

Specific Sugar Molecule Causes Cancer Cell Growth

September 16, 2013 10:57 am | News | Comments

The process of glycosylation, where sugar molecules are attached to proteins, has long been of interest to scientists, particularly because certain sugar molecules are present in very high numbers in cancer cells. It now turns out that these sugar molecules are not only present, but actually aid the growth of the malignant cells.

Molecular Structure Reveals How HIV Infects Cells

September 13, 2013 11:54 am | News | Comments

In a long-awaited finding, a team of Chinese and US scientists has determined the high-resolution atomic structure of a cell-surface receptor that most strains of HIV use to get into human immune cells. The researchers also showed where maraviroc, an HIV drug, attaches to cells and blocks HIV’s entry.

Embryonic Stem Cells Created in Adult Organism

September 12, 2013 11:49 am | Videos | Comments

A research team has become the first to make adult cells from a living organism retreat in their evolutionary development to recover the characteristics of embryonic stem cells. They have also discovered that these embryonic stem cells have a broader capacity for differentiation than those obtained via in vitro culture.

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