Evidence map›Paper›PMID 40682609›Full record

ArticleTissue engineering and regenerative medicine2025

Establishment of Immune-Evasive iPSCs from PBMCs Using B2M Knockout and CD47/HLA-E Overexpression.

Cha Yeon Kim, Cholong Jeong, Yeon-Ju Jeong, Young Hoon Sung, Youngjin Han, Changmo Hwang

Abstract read
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Article in Tissue engineering and regenerative medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

2 citing papers in PubMed.

  1. Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Cha Yeon KimDepartment of Convergence Medicine, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea.
Cholong JeongDepartment of Convergence Medicine, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea.
Yeon-Ju JeongDepartment of Cell and Genetic Engineering, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505, Korea.
Young Hoon SungDepartment of Cell and Genetic Engineering, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505, Korea.
Youngjin HanDepartment of Vascular Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea. medjin00@gmail.com.
Changmo HwangDepartment of Convergence Medicine, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea. changmo@amc.seoul.kr.ORCID http://orcid.org/0000-0002-9383-3727

Funding

Asan Institute for Life Sciences, Asan Medical Center 2020IP0041Asan Institute for Life Sciences, Asan Medical Center 2024IP0044Ministry of Science and ICT, South Korea RS-2023-00283544
6 · The paper itself

Abstract

backgroundInduced pluripotent stem cells (iPSCs) represent a promising source for regenerative therapies, yet allogeneic transplantation is limited by immune rejection. While strategies for generating hypoimmune iPSCs have been proposed, their efficacy after differentiation into lineage-specific cell types remains underexplored.

methodsA human iPSC line (36A) from peripheral blood mononuclear cells using a Sendai virus-based reprogramming protocol. Hypoimmune properties were conferred via CRISPR-Cpf1-mediated B2M knockout, combined with lentiviral overexpression of HLA-E and CD47. Immune evasion was validated using NK cell cytotoxicity assays. Endothelial differentiation was induced using a defined, stepwise protocol, and in vivo functionality was evaluated in humanized NSG mice.

resultsThe hypoimmune iPSCs retained pluripotency, exhibited stable karyotype, and demonstrated > 99% expression of HLA-E/CD47. NK cell-mediated lysis was significantly reduced in edited cells, although IFN-γ levels remained elevated. Upon differentiation, the hypoimmune iPSCs yielded > 98% CD31

conclusionMultiplex gene editing successfully conferred durable immune evasion in both undifferentiated and endothelial-differentiated iPSCs. These findings support the clinical potential of hypoimmune iPSC-derived cell therapies for allogeneic transplantation without immunosuppression.

Indexed as

CD47 AntigenGene Knockout TechniquesHistocompatibility Antigens Class IInduced Pluripotent Stem CellsLeukocytes, MononuclearAnimalsCell DifferentiationEndothelial CellsGene EditingHumansKiller Cells, NaturalMiceMice, Inbred NODCD47 AntigenHistocompatibility Antigens Class IB2M knockoutEndothelial differentiationHypoimmune iPSCs

Identifiers

PMID40682609
PMCPMC12476349

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.