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Scientists fool bacteria into programming own death

Like firemen fighting fire with fire, researchers at the University of Illinois and the University of Massachusetts at Amherst have found a way to fool a bacteria's evolutionary machinery into programming its own death.

16 Dec 2008

Researchers find brain's reward and stress signaling circuits are intertwined in complex ways

Vanderbilt University Medical Center investigators have now discovered a functional link between reward and stress. They found that dopamine - the brain's chief reward signal - works through corticotrophin-releasing factor (CRF) - the brain's main stress signal - to increase the activity of a brain region involved in addiction relapse.

16 Dec 2008

New anti-tumor gene called SARI

Researchers from Virginia Commonwealth University have identified a new anti-tumor gene called SARI that can interact with and suppress a key protein that is overexpressed in 90 percent of human cancers.

16 Dec 2008

Discovery of new way a man can transmit the HIV virus to a woman

Scientists had long believed that the normal lining of the female vaginal tract was an effective barrier to invasion of the HIV virus during sexual intercourse. They thought the large HIV virus couldn't penetrate the tissue.

16 Dec 2008

Researcher refines aptamers to prevent HIV resistance

Evolving HIV viral strains and the adverse side effects associated with long-term exposure to current treatments propel scientists to continue exploring alternative HIV treatments.

16 Dec 2008

Real-time gene monitoring

Imagine having GeneVision: the uncanny ability to view the activity of any chosen gene in real time through a specially modified camera.

16 Dec 2008

Prostate cancer discovered in 40% of men who test negative for the disease

Forty percent of men with prostate cancer may not even know they have it, according to a new research study by the Prostate Cancer Foundation of Chicago.

16 Dec 2008

Nutraceutix issued Australian patent

The Australian Patent Office has issued Nutraceutix, Inc. a patent for BIO-tract.

16 Dec 2008

Pre-existing diabetes for persons diagnosed with cancer associated with increased risk of death

Patients with diabetes at the time of a cancer diagnosis have an increased risk of death compared to patients without diabetes, according to a meta-analysis of studies reported in the December 17 issue of JAMA, the Journal of the American Medical Association.

16 Dec 2008

Researchers develop natural, nontoxic method for biodegrading carbon nanotubes

University of Pittsburgh researchers have developed the first natural, nontoxic method for biodegrading carbon nanotubes, a finding that could help diminish the environmental and health concerns that mar the otherwise bright prospects of the super-strong materials commonly used in products, from electronics to plastics.

16 Dec 2008

People with blindness from cataract are poorer than those with normal sight

A new study conducted in three developing countries-Kenya, the Philippines, and Bangladesh-finds that people with cataract-induced visual impairment are more likely to live in poverty than those with normal sight.

16 Dec 2008

Non-invasive stool-based DNA screening for colon cancer recognized more broadly as standard of care

EXACT Sciences Corporation today commented on the addition of non-invasive stool-based DNA (sDNA) testing to the state colorectal cancer screening mandates of New Jersey and Maryland, as well as the decision by CIGNA, one of the nation's largest insurers, to include sDNA screening among its covered benefits nationally.

16 Dec 2008

Study to examine how breastfeeding impacts cost of healthcare for very low birth weight babies

The National Institutes of Health (NIH) has awarded nearly $3 million to support Rush University Medical Center's study analyzing how human breast milk impacts the health outcomes and health care cost savings for very low birth weight infants – babies less than 1500 grams.

16 Dec 2008

New system of scoring IQ tests taken by children with fragile X syndrome

Parents of children with intellectual disabilities have long been frustrated by intelligence quotient (IQ) testing that tells them little to nothing about the long-term learning potential of their children.

16 Dec 2008

Multi-faceted strategy improves nutritional support for ICU patients, but not outcomes

A strategy to change practice in intensive care units was effective in implementing earlier nutritional support for critically ill patients, but the change did not result in a reduced risk of death or reduced length of stay in the ICU, according to a study in the December 17 issue of JAMA, the Journal of the American Medical Association.

16 Dec 2008

Borderline personality disorder more common than schizophrenia

According to the National Institute of Mental Health, borderline personality disorder (BPD) is more common than schizophrenia or bipolar disorder and is estimated to affect 2 percent of the population.

16 Dec 2008

Trans-splicing therapy for spinal muscular atrophy closer to clinical use

Spinal muscular atrophy, a neurodegenerative disorder that causes the weakening of muscles, is the leading cause of infant death and occurs in 1 in 6,000 live births.

16 Dec 2008

MRI scans can predict effects of multiple sclerosis 'flare-ups' on optic nerve

One of the most pernicious aspects of multiple sclerosis (MS) - its sheer unpredictability - may finally be starting to yield to advanced medical imaging techniques.

16 Dec 2008

Low-glycemic foods better for glycemic control than high-fiber

Persons with type 2 diabetes who had a diet high in low-glycemic foods such as nuts, beans and lentils had greater improvement in glycemic control and risk factors for coronary heart disease than persons on a diet with an emphasis on high-cereal fiber, according to a study in the December 17 issue of JAMA, the Journal of the American Medical Association.

16 Dec 2008

Just a little squeeze lets proteins assess DNA

To find its target, all a protein needs to do is give quick squeezes as it moves along the DNA strand, suggests new research from The University of Arizona in Tucson.

16 Dec 2008