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Insulin sensitivity in the ovaries and the pituitary linked to infertility

Infertility is common among obese women, but the reasons remain poorly understood and few treatments exist. Now a team of Johns Hopkins Children's Center scientists, conducting experiments in mice, has uncovered what they consider surprising evidence that insulin resistance, long considered a prime suspect, has little to do with infertility in women with type-2 diabetes, polycystic ovary syndrome and metabolic syndrome, all obesity-related conditions.

16 Nov 2011

Atherosclerotic plaques spread downstream in coronary arteries

In human coronary arteries, atherosclerotic plaques tend to spread downstream because of the changes in blood flow patterns the plaque causes, researchers have found.

16 Nov 2011

Molecular level insights into connection between cancer and diabetes

Developing type 2 diabetes is a lengthy process. An early sign that it has begun is high levels of insulin in the blood. As long as the insulin-producing beta cells are able to compensate for the increased demand, for example when the individual is overweight, the blood sugar levels remain normal. It is not until the capacity for insulin secretion falls below the level needed that type 2 diabetes becomes a fact. The latter stage generally goes quickly, as the stressed beta cells work themselves to death.

16 Nov 2011

AHA honors Gladstone senior investigator with Distinguished Scientist Award

The American Heart Association will today present Gladstone Institutes Senior Investigator and President Emeritus Robert Mahley, MD, PhD, with the 2011 AHA Distinguished Scientist Award, bestowing yet another honor on one of Gladstone's founding cardiovascular scientists.

16 Nov 2011

Health of millions of children in East Asia, Pacific at risk due to climate change, UNICEF report says

"Climate change is expected to worsen the plight of millions of children in East Asia and the Pacific who already lack food and clean water and are vulnerable to disease, ... UNICEF said Monday ... in its report 'Children's vulnerabilities to climate change and disaster impacts in East Asia and the Pacific,'" AlertNet reports.

16 Nov 2011

Research offers clues that may explain behavior, mood changes in stress-related disorders

Research released today uses the latest genetic tools to explore how stress alters brain function, leading to anxiety, depression, and other stress-related mood disorders.

16 Nov 2011

Silibinin stops spread of lung cancer in mice

Tissue with wound-like conditions allows tumors to grow and spread. In mouse lung cancer cells, treatment with silibinin, a major component of milk thistle, removed the molecular billboards that signal these wound-like conditions and so stopped the spread of these lung cancers, according to a recent study published in the journal Molecular Carcinogenesis.

16 Nov 2011

Specific gene variant may increase risk of premature death in people with alcohol dependency

People who are alcohol-dependent and who also carry a particular variant of a gene run an increased risk of premature death. This is a recent finding from the interdisciplinary research at the Department of Psychology and the Sahlgrenska Academy at the University of Gothenburg, Sweden.

15 Nov 2011

EPO-secreting engineered vessels could reverse anemia

Patients who rely on recombinant, protein-based drugs must often endure frequent injections, often several times a week, or intravenous therapy. Researchers at Children's Hospital Boston demonstrate the possibility that blood vessels, made from genetically engineered cells, could secrete the drug on demand directly into the bloodstream.

15 Nov 2011

Xarelto (rivaroxaban) shows success as blood thinner in acute coronary syndrome

A new anti-blood clotting drug – Xarelto (rivaroxaban) has shown clinical success. It may help people with “acute coronary syndrome” lower their risk of death, subsequent heart attack or stroke, a new study finds. Acute coronary syndrome is term that includes people with angina or prior history of heart attack.

15 Nov 2011

Scientists determine atomic structure of Lassa fever viral protein

Scientists at The Scripps Research Institute have determined the atomic structure of a protein that the Lassa fever virus uses to make copies of itself within infected cells.

15 Nov 2011

Alcohol-based hand sanitizer helps reduce influenza A in children

A hand and respiratory hygiene program including frequent use of alcohol-based hand sanitizer helps reduce illness caused by influenza A and missed school days in elementary school children, reports a study in the November issue of The Pediatric Infectious Disease Journal. The journal is published by Lippincott Williams & Wilkins, a part of Wolters Kluwer Health.

15 Nov 2011

Delay in hypothermia, ROSC linked with poor post cardiac arrest neurologic outcomes

Delay in initiation of therapeutic hypothermia and delay in return of spontaneous circulation (ROSC), evidenced by a palpable pulse or a measurable blood pressure, were both associated with poor neurologic outcomes in post cardiac arrest patients, according to a study being presented Nov. 14 at the at the American Heart Association (AHA) scientific sessions in Orlando, Fla.

15 Nov 2011

HIV and syphilis on the rise among MSM

Rates of HIV and syphilis are very high and rising among men who have sex with men (MSM) in New York City, reports a study in the November issue of JAIDS: Journal of Acquired Immune Deficiency Syndromes. The journal is published by Lippincott Williams & Wilkins, a part of Wolters Kluwer Health.

15 Nov 2011

Prox1 gene plays a critical role in formation and maintenance of lymphatic system

A century after the valves that link the lymphatic and blood systems were first described, St. Jude Children's Research Hospital scientists have detailed how those valves form and identified a gene that is critical to the process.

15 Nov 2011

Malpractice lawsuits linked to surgeon depression and career burnout

According to the results of a new study published in the November 2011 Journal of the American College of Surgeons, malpractice lawsuits against U.S. surgeons occur often and can take a profound personal toll on the surgeon, resulting in emotional exhaustion, stress, and professional dissatisfaction.

15 Nov 2011

Women with inflammatory breast cancer now have a chance of treatment

Women with the deadliest and rarest form of breast cancer now have a chance of treatment where once their options were severely limited, thanks to a new discovery by George Mason University researchers.

15 Nov 2011

Lower glycemic index diet may delay onset of AMD-like lesions

Feeding older mice a lower glycemic index (GI) diet consisting of slowly-digested carbohydrates delays the onset of age-related, sight-threatening retinal lesions, according to a new study from the Laboratory for Nutrition and Vision Research at the Jean Mayer USDA Human Nutrition Research Center on Aging (USDA HNRCA) at Tufts University.

14 Nov 2011

A dangerous combo – schoolies warned

Pharmacy researchers at the University of Sydney are warning HSC students to take it easy on caffeine, alcohol and smoking during Schoolies Week, particularly young women using oral contraception.

14 Nov 2011

Fiber from whole grains reduces risk of bowel cancer: Study

The researchers from Britain and the Netherlands found that the more total dietary fiber and cereal fiber people consumed, the lower their colorectal cancer risk. For example, people who consumed an extra 90 grams of fiber from whole grains a day also had a 20 percent lower risk of colorectal cancer, according to the British Medical Journal review.

14 Nov 2011