Puerto Rican children who have asthma are more likely to be exposed to violence and to have changes in a gene that is associated with stress, according to a new study led by researchers at Children's Hospital of Pittsburgh ...
Mar 19, 2013
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The 18th century natural philosopher Jean-Baptiste Lamarck proposed that the necks of giraffes lengthened as a consequence of the cumulative effort, across generations, to reach leaves just out of their grasp. This view of ...
Feb 14, 2013
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The p53 tumor suppressor protein manages DNA repair mechanisms in response to genetic damage and kills off precancerous cells before they multiply. The loss of p53 due to mutation greatly increases risk of tumorigenesis. ...
Jan 16, 2013
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Using cervical fluid obtained during routine Pap tests, scientists at the Johns Hopkins Kimmel Cancer Center have developed a test to detect ovarian and endometrial cancers. In a pilot study, the "PapGene" test, which relies ...
Jan 9, 2013
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Cell aging, or cellular senescence, has an important role in the natural physiological response to tumor development. Activated oncogenes are able to induce senescence, and recent findings have suggested that oncogene-induced ...
Dec 12, 2012
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A new study about Human Cytomegalovirus (HCMV), a leading cause of birth defects, reveals how the virus co-opts cells' abilities to repair themselves. In the paper published on November 29 in the Open Access journal PLOS ...
Nov 29, 2012
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Researchers from Inserm and CNRS from the Institute for genetics and molecular and cellular biology (IGBMC) and from the Research Institute at the Strasbourg school of biotechnology (Irebs) have focussed their efforts on ...
Oct 30, 2012
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Ovarian cancer is a deadly disease. With no overt symptoms and no screening tests to catch it early, ovarian cancer is often detected at stage 3 or later. By then, it can be very aggressive and may have spread beyond the ...
Oct 23, 2012
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There are some genes that are only activated in the very first days of an embryo's existence. Once they have accomplished their task, they are shut down forever, unlike most of our genes, which remain active throughout our ...
Oct 4, 2012
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Researchers with UC Irvine's Chao Family Comprehensive Cancer Center have identified a major reason why melanoma is largely resistant to chemotherapy.
Sep 17, 2012
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