Pregnancy protein identified.Scientists have identified a protein that usually appears only during the few days of a woman's menstrual cycle menstrual cycle n. The recurring cycle of physiological changes in the uterus, ovaries, and other sexual structures that occur from the beginning of one menstrual period through the beginning of the next. when pregnancy can begin. The discovery eventually may help solve infertility problems and lead to new types of contraception, said Bruce A. Lessey, who led a team of researchers from the University of Pennsylvania (body, education) University of Pennsylvania - The home of ENIAC and Machiavelli. http://upenn.edu/. Address: Philadelphia, PA, USA. and the independent Wistar Institute. "We can't prove yet that it is important," said Lessey, a reproductive endocrinologist at Penn. However, the research appears to provide a clear signal of the two- to three-day interval when an embryo can attach to the lining of a uterus, he said. The researchers' findings were to appear in The Journal of Clinical Investigation The Journal of Clinical Investigation (JCI or J Clin Invest) is a leading biomedical journal, which is radically different from many of its peers in having a high impact factor (in 2006, 15.754) and offering all its contents entirely free. , published by the Rockefeller University Press Rockefeller University Press (or RUP) is a university press that is part of Rockefeller University. It has its beginnings with the University's publication of the Journal of Experimental Medicine starting in 1905. in New York. The protein is called the beta3 subunit of the vitronectin receptor. The research could be an important step in understanding how the lining of the uterus is connected to fertility. --From the Ann Arbor News The Ann Arbor News is a newspaper serving Washtenaw and Livingston counties. Published in Ann Arbor, Michigan, under various names since 1835, The News is part of Booth Newspapers, owned by Advance Publications Inc. , 7/16/92 |
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