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Updated: Oct 17, 2025
Generation of Defined Genomic Modifications Using CRISPR-CAS9 in Human Pluripotent Stem Cells
Published on: September 25, 2019
Generation of B2M bi-allelic knockout human induced pluripotent stem cells (MUSIi001-A-1) using a CRISPR/Cas9 system
Nontaphat Thongsin1, Methichit Wattanapanitch2
1Siriraj Center for Regenerative Medicine, Research Department, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand; Department of Immunology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand.
Allogeneic cell-based therapy is emerging as a promising approach in regenerative medicine. However, rejection of allograft due to mismatch of human leukocyte antigens (HLAs) remains a major concern after transplantation. Here, we generated a homozygous B2M knockout induced pluripotent stem cell (iPSC) line, lacking the expression of HLA class I (HLA-I) molecules, using a CRISPR/Cas9 system. The established iPSC line, MUSIi001-A-1, can serve as an in vitro model for studying immunological responses against allogeneic grafts and provides a prototype for "off-the-shelf" allogeneic cell products for future cell-based therapy.
Allogeneic cell-based therapy is emerging as a promising approach in regenerative medicine. However, rejection of allograft due to mismatch of human leukocyte antigens (HLAs) remains a major concern after transplantation. Here, we generated a homozygous B2M knockout induced pluripotent stem cell (iPSC) line, lacking the expression of HLA class I (HLA-I) molecules, using a CRISPR/Cas9 system. The established iPSC line, MUSIi001-A-1, can serve as an in vitro model for studying immunological responses against allogeneic grafts and provides a prototype for "off-the-shelf" allogeneic cell products for future cell-based therapy.
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