Abstract
IPSCs have great potential value in cell replacement therapy, pathogenesis research, screening for new drugs, and treatment of clinical disease. An 82-year-old woman with mild cognitive impairment (MCI) and her unaffected child donated their peripheral blood mononuclear cells (PBMC). Their PBMCs were reprogrammed using human OKSM transcription factors (SOX2, OCT3/4, KLF4 and C-MYC) via a non-integrated complementary vector system. In the newly developed hiPSC series SIAISi019-A and SIAISi020-A, immunocytochemistry and the ability to spontaneously differentiate into 3 germ layers in vitro confirmed the pluripotency of transgene-free iPSCs. And their karyotypes were normal.
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