Many chemotherapy drugs work by damaging cancer cells' DNA so severely that the cells are forced to commit cellular suicide. However, these drugs don't work for all patients: If cells can repair the DNA damage, they may survive ...
Nov 2, 2016
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Scientists have discovered that oesophageal cancer can be classified into three different subtypes, paving the way for testing targeted treatments tailored to patients' disease for the first time.
Sep 5, 2016
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A laboratory study has revealed an entirely unexpected process for acquiring drug resistance that bypasses the need to re-establish DNA damage repair in breast cancers that have mutant BRCA1 or BRCA2 genes. The findings, ...
Jul 20, 2016
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In matters of the fundamental molecular biology of aging, we mammals are not so different from tiny C. elegans worms. Some of the biggest differences only serve to make them convenient research models. But one distinction ...
Feb 22, 2016
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Researchers have found that pancreatic cancer can be split into four unique types, a discovery that could be used to improve treatments for the disease, according to a study published in Nature.
Feb 27, 2015
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Our DNA is under constant attack from many sources, including environmental pollutants, ultraviolet light, and radiation. Fortunately, cells have several major DNA repair systems that can fix this damage, which may lead to ...
Apr 22, 2014
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(Medical Xpress)—For decades, scientists have searched for treatments for myopathies – genetic muscular diseases such as muscular dystrophy and ALS, also called Lou Gehrig's disease. Now, an interdisciplinary team of ...
Nov 4, 2013
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In current health lore, antioxidants are all the rage, as "everybody knows" that reducing the amount of "reactive oxygen species"—cell-damaging molecules that are byproducts of cellular metabolism—is critical to staying ...
Jun 14, 2013
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A new research paper titled "Sirtuin 6 activation rescues the age-related decline in DNA damage repair in primary human chondrocytes" has been published in Aging.
Dec 19, 2023
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Colorectal cancer (CRC) presents with varying clinical characteristics due to tumor heterogeneity. Microsatellite instability (MSI), present in 10–15% of CRC cases, indicates a different clinical trajectory than microsatellite ...
Dec 15, 2023
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