Japanese rat liver and stomach cell culture induced multi-functional stem cells
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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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Japan's Science and Technology Revitalization Agency issued a press release on the 15th, Kyoto University professor Yamanaka and others used adult laboratory mice liver and stomach cells to develop induced multi-functional stem cells(
iPS)2
, november 2007
,Yamanaka's team successfully made the iPS, butusing a cancer-related genetic,left a safety hazardIn the study
,Yamanaka and others chose the liver and stomach mucosal cells of laboratory mice,the two cells are relatively easy to extract even in the human bodyThey still use the virus to implant four genes into these cells and grow iPS This type of iPS is significantly less likely to cause cancer than iPS, which were originally grown from skin cells The researchers believe the cause of cancer is that the virus used to transport genes damages chromosomes in the nucleus In liver cells and gastric mucosa cells, the number of viruses entering chromosomes is only one-tenth to one-fifth of the number of chromosomes entering the nucleus of skin cells It is reported that the relevant papers have been published in the online edition of the American journal Science
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