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Breakthrough technology provides new understanding of cellular processes endocytosis and exocytosis

For the first time, scientists at Weill Cornell Medical College in New York City have observed in real time a cellular mechanism that's crucial to how brain cells communicate.

17 Dec 2007

How cell differentiation patterns suppress somatic evolution

Natural selection can occur at the cellular level, where it is detrimental to health.

17 Dec 2007

Barr sues Watson and Sandoz for Seasonale patent infringement

Barr Pharmaceuticals, Inc. (NYSE:BRL) today announced that its wholly-owned subsidiary, Duramed Pharmaceuticals, Inc. has filed suits against Watson Pharmaceuticals (NYSE:WPI) and against Sandoz, a subsidiary of Novartis (NYSE:NVS) for infringement of the patent protecting Duramed's SEASONALE(R) extended-cycle oral contraceptive product.

17 Dec 2007

Sunitinib may be associated with cardiac toxicity

Another FDA-approved targeted cancer drug, sunitinib (SutentTM, Pfizer), may be associated with cardiac toxicity, report researchers at Children's Hospital Boston, Dana-Farber Cancer Institute (Boston), and Thomas Jefferson University (Philadelphia).

17 Dec 2007

Aging gracefully requires taking out the trash

Suppressing a cellular cleanup-mechanism known as autophagy can accelerate the accumulation of protein aggregates that leads to neural degeneration.

17 Dec 2007

Addressing care gap in underserved women not easy

In an effort to fill a significant gap in the breast care of underserved women, physicians and nurses at Mayo Clinic's campus in Jacksonville, Fla., developed a program, still ongoing, to help overcome barriers that prevent women from receiving timely care after an abnormal mammogram.

17 Dec 2007

Only half of all Americans age 50 and over have had a colonoscopy

Only half of all Americans age 50 and over have had a colonoscopy, one of several common screening tests for colon cancer, according to the latest News and Numbers from the Agency for Healthcare Research and Quality.

17 Dec 2007

U.S. hospitals charged $873 billion in 2005

U.S. hospitals charged $873 billion in 2005 – a nearly 90 percent increase from the $462 billion charged in 1997 – according to the latest News and Numbers from the Agency for Healthcare Research.

17 Dec 2007

Women persist in plastic surgery treatments that are not working

Women are more likely to persist with using creams, supplements and plastic surgery to look younger if they feel these are not yet working, new research says.

14 Dec 2007

Caution on use of Vasopressin in septic shock

Vasopressin should be used with great caution for the treatment of hypotension in septic shock, according to results from an international research team published in the online open access journal Critical Care.

14 Dec 2007

Chimpanzees don't go through menopause

Researchers have found no evidence that chimpanzees in the wild undergo menopause in the way that women do, according to a new report published online on December 13th in Current Biology, a Cell Press publication.

14 Dec 2007

Researchers zero in on the tiniest members in the war on cancer

Researchers from the University of Pennsylvania and Johns Hopkins University have uncovered another reason why one of the most commonly activated proteins in cancer is so dangerous.

14 Dec 2007

Treatment with secretoneurin reduces injury to the brain following stroke

Stroke is the term used to describe deteriorating brain function due to either the leaking of blood vessels (hemorrhage) or oxygen deprivation (ischemia) in the brain.

14 Dec 2007

Study uncovers clues to cystic fibrosis gene dysfunction and gastrointestinal disease

A new study by researchers at Hasbro Children's Hospital, the pediatric division of Rhode Island Hospital, and Mount Sinai Hospital, New York, offers new insight into the role that the cystic fibrosis gene plays in the development of gastrointestinal disease.

14 Dec 2007

Sperm's immune-protection properties could provide link to how cancers spread

Sugar-based markers on human sperm cells which may prevent them from being attacked by the female immune system could provide a vital clue to how some cancers spread in the human body, according to new research published on 14 December 2007.

14 Dec 2007

Scientists overcome obstacles to stem cell heart repair

Scientists funded by the Biotechnology and Biological Sciences Research Council (BBSRC) at Imperial College London have overcome two significant obstacles on the road to harnessing stem cells to build patches for damaged hearts.

14 Dec 2007

Ingredient found in human semen enhances HIV infection

A plentiful ingredient found in human semen drastically enhances the ability of the human immunodeficiency virus (HIV) to cause infection, according to a report in the December 14, 2007, issue of the journal Cell, a publication of Cell Press.

14 Dec 2007

Same genetic machinery generates skin color evolution in fish and humans

When humans began to migrate out of Africa about 100,000 years ago, their skin color gradually changed to adapt to their new environments.

14 Dec 2007

Researchers report protein interactions of MAP kinase signaling pathway

The Stowers Institute's Rong Li Lab, in collaboration with the Institute's Imaging Center, has achieved a quantitative in vivo measurement of the dynamic protein-protein interactions in the mitogen-activated protein (MAP) kinase cascade signaling pathway, which is critical to growth and differentiation decisions in all eukaryotic cells.

14 Dec 2007

Do people make better decisions when they understand average risk?

If there were a pill that would cut your risk of breast cancer in half, would you take it" What if you were told your risk of breast cancer was already below average"

14 Dec 2007