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Scientists have revealed the inner workings of a key protein involved in a wide range of cellular processes – potentially paving the way for better and less toxic cancer drugs. ....
The phenomenon of regeneration was discovered over 200 years ago in the freshwater polyp Hydra. Until now, however, it was largely unclear how the orderly regeneration of lost tissues or organs is activated after injury. ....
Study could lead to the development of novel treatments for drug-resistant cancers ETC-159, a made-in-Singapore anti-cancer drug that is currently in early phase clinical trials for use in a subset of colorectal and gynecological cancers, could also prevent some tumors from resisting therapies by blocking a key DNA repair mechanism, researchers from Duke-NUS Medical School and the Agency for Science, Technology and Research (A STAR) in Singapore reported in the journal EMBO Molecular Medicine. Among the many therapies used to treat cancers, inhibitors of the enzyme poly (ADP ribose) polymerase (PARP) prevent cancer cells from repairing naturally occurring DNA damage, including unwanted/harmful breaks in the DNA. When too many breaks accumulate, the cell dies. ....