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Breast Cancer

Synthetic lethality: a new way to kill cancer cells

Published in Genetics and Environmental Business Week, March 18th, 2010

Ovarian and breast cancer therapies being developed that mix a protein inhibitor and traditional anticancer drugs are showing signs of success, according to a new review for Faculty of 1000 Biology Reports.

Susan Bates and Christina Annunziata looked at several recent papers on this form of treatment, which takes advantage of the synthetic lethality of BRCA (breast cancer susceptibility genes) and poly-ADP ribose polymerase (PARP) proteins to attack cancerous cells whilst sparing healthy ones.

BRCA and PARP are two key players in DNA repair and have different but complementary functions in the cell. Loss of the BRCA protein...

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