Children from Parents Exposed to Chernobyl Nuclear Disaster Show No Genetic Damage

HealthDay reports:

There's no evidence of genetic damage in the children of parents who were exposed to radiation from the 1986 Chernobyl Nuclear Power Plant disaster in Ukraine, researchers say.

Several previous studies have examined the risks across generations of radiation exposure from events such as this, but have yielded inconclusive results. In this study, the investigators analyzed the genomes of 130 children and parents from families where one or both parents were exposed to radiation due to the Chernobyl accident, and where children were conceived afterward and born between 1987 and 2002.

There was no increase in gene changes in reproductive cells of study participants, and rates of new germline mutations were similar to those in the general population, according to a team led by Meredith Yeager of the U.S. National Cancer Institute, in Rockville, Md.

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