Researchers at the University of Oxford have discovered that a cellular mechanism preferentially protects plant genes from the damaging effects of mutation.
Jan 5, 2018
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287
Scientists have wondered whether somatic (non-inherited) mutations play a role in aging and brain degeneration, but until recently there was no good technology to test this idea. A study published online today in Science, ...
Dec 7, 2017
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535
DNA sequences between mitochondria within a single cell are vastly different, found researchers in the Perelman School of Medicine at the University of Pennsylvania. This knowledge will help to better illuminate the underlying ...
Dec 6, 2017
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864
More than 20 years after scientists revealed that mutations in the BRCA1 gene predispose women to breast cancer, Yale scientists have pinpointed the molecular mechanism that allows those mutations to wreak their havoc.
Oct 4, 2017
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26
In a bid to detect cancers early and in a noninvasive way, scientists at the Johns Hopkins Kimmel Cancer Center report they have developed a test that spots tiny amounts of cancer-specific DNA in blood and have used it to ...
Aug 16, 2017
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The average metastatic cancer has more genetic mutations than are seen in early stage tumors, a new study finds.
Aug 2, 2017
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85
Tumor suppressor genes protect cells from malignant transformation. If they are turned off as a result of chemical modifications in DNA, called epigenetic labels, this contributes to the development of cancer. As opposed ...
Jun 12, 2017
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116
Scientists at The Wistar Institute have unveiled part of the protein complex that protects telomeres—the ends of our chromosomes. The study, published online in Nature Communications, explains how a group of genetic mutations ...
Apr 11, 2017
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172
In many parts of the world, including Southeast Asia and sub-Saharan Africa, exposure to a fungal product called aflatoxin is believed to cause up to 80 percent of liver cancer cases. This fungus is often found in corn, peanuts, ...
Mar 27, 2017
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62
Scientists have discovered a key 'survival gene' that prevents strains of tuberculosis (TB) from mutating into drug-resistant 'superbugs'.
Jan 27, 2017
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