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Success of chemotherapy tied to genetics

Genetics may play a role in the success of anti-cancer therapy, according to researchers. Their study, published in today’s issue of Clinical Cancer Research, shows that some colorectal cancer patients with a particular gene mutation respond much better to therapy than those without this genetic change.

DNA-based vaccine triples survival for dogs with melanoma

The options for treating advanced melanoma are limited – regardless of whether the patient is a dog or a human. Because this deadly cancer is virtually resistant to chemotherapy and radiation in its late stages, new approaches are being investigated including vaccines that harness the immune system. For nine dogs that naturally developed canine malignant melanoma, treatment with a new DNA-based vaccine more than tripled their median survival from an expected 90 days to an average of 389 days.

Melanoma discovery could aid diagnosis, treatment

Scientists at Emory University School of Medicine have identified a signaling pathway that is turned on when benign moles turn into early-stage malignant melanoma. The pathway could provide a new target for the diagnosis, prevention and treatment of the most lethal form of skin cancer. The research was reported in the December issue of the journal Clinical Cancer Research.