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Induced pluripotent stem cell selection method and method for inducing differentiation to blood cells

  • US 10,240,126 B2
  • Filed: 06/11/2014
  • Issued: 03/26/2019
  • Est. Priority Date: 06/12/2013
  • Status: Active Grant
First Claim
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1. A method for producing hematopoietic stem cells and/or hematopoietic progenitor cells from pluripotent stem (PS) cells, said method comprising:

  • (a) measuring the expression level(s) of one or more genes selected from the group consisting of TRIM58, CTSF, FAM19A5, and TCERG1L genes in candidate PS cells;

    (b) selecting a PS cell(s) in which the expression level(s) of the gene(s) measured in Step (a) is/are equivalent to or higher than the expression level(s) in iPS cells or embryonic stem (ES) cells which are known to have high capacity to differentiate into blood cells, and/or selecting a PS cell(s) in which the expression level(s) of the gene(s) measured in Step (a) is/are higher than the expression level(s) in iPS cells or ES cells which are known to have low capacity to differentiate into blood cells; and

    (c) culturing the selected PS cells in the presence of insulin-like growth factor 2 (IGF2).

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