期刊
CELL STEM CELL
卷 10, 期 5, 页码 570-582出版社
CELL PRESS
DOI: 10.1016/j.stem.2012.03.002
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资金
- National Human Genome Research Institute (NHGRI) [U54 HG003079]
- National Heart Lung and Blood Institute [HL057619]
- National Institutes of Health [CA0101937, DK38682]
- Barnes-Jewish Hospital Foundation
To assess the genetic consequences of induced pluripotent stem cell (iPSC) reprogramming, we sequenced the genomes of ten murine iPSC clones derived from three independent reprogramming experiments, and compared them to their parental cell genomes. We detected hundreds of single nucleotide variants (SNVs) in every clone, with an average of 11 in coding regions. In two experiments, all SNVs were unique for each clone and did not cluster in pathways, but in the third, all four iPSC clones contained 157 shared genetic variants, which could also be detected in rare cells (< 1 in 500) within the parental MEF pool. These data suggest that most of the genetic variation in iPSC clones is not caused by reprogramming per se, but is rather a consequence of cloning individual cells, which captures their mutational history. These findings have implications for the development and therapeutic use of cells that are reprogrammed by any method.
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