Researchers find proteins necessary for mammals to produce sperm
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Last Update: 2020-07-04
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Source: Internet
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Author: User
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Japanese researchers recently discovered the proteinnecessary for mammalian primary reproductive cells to differentiate into sperm,the results could help develop treatments for infertility such as spermlessnessThe decision of the sex of thereproductive cells can be made in the fetal period of animal developmentcan be differentiated into
spermand can be differentiated into eggsIn theof the fetus, the reproductive cells thatdevelop into eggs in the future are reduced to divide, while those that develop into sperm in the future stop cell divisionResearchers such as Yoshihiko Saga, a professor at Japan's National Institute of Genetics, used laboratory mice to find that the protein "Nanos
2
" appears only in sperm cellsIn laboratory mice that could not synthesize this protein, the reproductive cells that should have differentiated into sperm began to divide by number, sperm could not form properly, and if the "Nanos
2" protein was forced to function in the reproductive cells that should have developed into eggs, the cells would be malen Usually, in the fetal period, the "Nanos
2 protein is fed into the of reproductive cells, the germ cells form sperm, the researchers said Spermlessism is most likely caused by this mechanism not working smoothly The study has been published in the latest issue of the American journal Science
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