Like elephants, whales rarely develop or die from cancer despite known risk factors of high mass and longevity, and a study of various whale genomes revealed that genes that control cell proliferation and DNA repair are highly evolved. Whales also have many duplications in regions that suppress tumors, and the findings, published in Molecular Biology and Evolution, could help identify new cancer treatment and prevention methods for people, lead author Marc Tollis says.
Whale genome study yields insight into cancer resistance
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