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Low oxygen levels in body linked to cancer-aiding protein
A professor of biochemistry who was researching protein kinase C gamma in the lens of the human eye found her work taking a fascinating turn when she discovered a correlation between the protein Coonexin46 and hypoxia -- a deficiency of oxygen which kills normal tissue cells. The researcher believes the findings will lead to serious advancements in treating retinoblastoma, a cancer that forms in the tissue of the retina.
Transplant drug preserves kidneys, avoids toxicity, studies suggest
The experimental drug belatacept can prevent graft rejection in kidney transplant recipients while better preserving kidney function when compared with standard immunosuppressive drugs, data from two international phase III clinical trials show.
Life is shorter for men, but sexually active life expectancy is longer
At age 55, men can expect another 15 years of sexual activity, but women that age should expect less than 11 years, according to a new study. Men in good or excellent health at 55 can add 5 to 7 years to that number. Equally healthy women gain slightly less, 3 to 6 years.
New study questions benefits of elective removal of ovaries during hysterectomy
Removal of the ovaries (bilateral oophorectomy) while performing a hysterectomy is common practice to prevent the subsequent development of ovarian cancer. This prophylactic procedure is performed in 55% of all U.S. women having a hysterectomy, or approximately 300,000 times each year. A new article suggests that this procedure may do more harm than good.
Chemical competition: Research identifies new mechanism regulating embryonic development
A research team has discovered that protein competition over an important enzyme provides a mechanism to integrate different signals that direct early embryonic development. The work suggests that these signals are combined long before they interact with the organism's DNA, as was previously believed, and also may inform new therapeutic strategies to fight cancer.

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