(Medical Xpress)—Natural killer cells – a vital part of the immune system – have a dual role in protecting against infection and ensuring reproduction. Scientists suggest that the multi-tasking ability of these cells ...
Feb 8, 2013
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After an intensive three-year hunt through the genome, medical researchers have pinpointed mutations that leads to drug resistance and relapse in the most common type of childhood cancer—the first time anyone has linked ...
Feb 3, 2013
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Over 500 billion cells in our bodies will be replaced daily, yet natural selection has enabled us to develop defenses against the cellular mutations which could cause cancer. It is this relationship between evolution and ...
Jan 22, 2013
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An extensive genomic study of the childhood cancer neuroblastoma reinforces the challenges in treating the most aggressive forms of this disease. Contrary to expectations, the scientists found relatively few recurrent gene ...
Jan 20, 2013
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In one of the first genome-wide studies to hunt for both genes and their regulatory "tags" in patients suffering from a common disease, researchers have found a clear role for the tags in mediating genetic risk for rheumatoid ...
Jan 20, 2013
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Melanomas that develop in the eye often are fatal. Now, scientists at Washington University School of Medicine in St. Louis report they have identified a mutated gene in melanoma tumors of the eye that appears to predict ...
Jan 16, 2013
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Thyroid hormone resistance has been linked to mutations in the IGSF1 gene for the first time—surprising researchers who did not suspect it played a role in the maintenance of normal thyroid function.
Jan 16, 2013
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By looking at the entire DNA from this one patient's tumor, researchers have found a genetic anomaly that provides an important clue to improving how this cancer is diagnosed and treated.
Jan 15, 2013
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When Charles Darwin first sketched how species evolved by natural selection, he drew what looked like a tree. The diagram started at a central point with a common ancestor, then the lines spread apart as organisms evolved ...
Jan 9, 2013
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Researchers at UCLA say it's not just what you eat that makes those pants tighter—it's also genetics. In a new study, scientists discovered that body-fat responses to a typical fast-food diet are determined in large part ...
Jan 8, 2013
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