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advertisement. Cancer is much less common in elephants than in humans, even though the big beasts' bodies have many more cells. Now researchers think they may have an explanation â one they say might someday lead to new ways to protect people from cancer.Elephants' cells contain 40 copies of a major cancer-suppressing gene called p53, two teams of scientists report. Humans have just two-one from each parent.The gene helps damaged cells repair themselves or self-destruct when exposed to cancer-causing substances.ow researchers think they may have an explanation â one they say might someday lead to new ways to protect people from cancer. Elephants' cells contain 40 copies of a major cancer-suppressing gene called p53, two teams of scientists report. Humans have just two-one from each parent.
And trends in how zoos exhibit elephants could mean more animals at fewer zoos. By fall 2016 Association of Zoos and Aquariumsâ standards will require zoos with elephants to keep at least three of the social, intelligent creatures. Few elephants are born in zoos by natural breeding or artificial insemination.A total of 24 African elephants have been born in AZA-accredited zoos since 2008. Four later died. Only one was born each of the last two years. (An elephant pregnancy lasts 22 months.nother option for Knoxville would be modifying Stokely for only male elephants not needed for breeding by other parks. Male-only herds mimic those in the wild and are needed in zoos, said Hagan. The Birmingham Zoo is the first AZA-accredited zoo with a male-only African elephant herd.