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Having two moms key to a longer lifespan: Study

world Updated: Dec 02, 2009 13:31 IST

PTI
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Bizarre it may appear, but having two mothers may be the key to a longer lifespan -- in mice, at least, a new study has revealed.

Scientists in Japan have discovered that mice with two biological mothers but no father live about 30 per cent longer
than usual, in an pioneering experiment which they claim could have implications for understanding human ageing.

While it is not yet known whether the effect applies to humans also, the research gives new insights into genetic influences on the ageing process in mammals which might be eventually exploited to slow it down, 'The Times' reported.

It could also illuminate the way that genes provided by mothers and fathers combine in the embryo, improving understanding of reproduction and certain diseases, according to the scientists.

Professor Tomohiro Kono of the Tokyo University of Agriculture, who led the research, said that it could even offer clues to why women typically live longer than men.

"The study may give an answer to the fundamental questions: that is, whether longevity in mammals is controlled by the genome composition of only one or both parents and, just maybe, why women are at an advantage over men with regard to the lifespan," he was quoted as saying.