Engineering Human Pluripotent Stem Cell Lines to Evade Xenogeneic Transplantation Barriers
Hannah A Pizzato1, Paula Alonso-Guallart2, James Woods2
1Department of Immunobiology, University of Arizona College of Medicine, Tucson, AZ, USA.
Biorxiv : the Preprint Server for Biology
|July 10, 2023
Summary
To prevent rejection of transplanted stem cells, researchers genetically modified human pluripotent stem cells (hPSCs) to evade immune responses. This study identified T cell, NK cell, and complement evasion as crucial for successful transplantation in mice.
Area of Science:
- Immunology
- Regenerative Medicine
- Stem Cell Biology
Background:
- Allogeneic human pluripotent stem cell (hPSC)-derived cells face immunological rejection, hindering therapeutic transplantation.
- Preclinical testing in immunocompetent models requires hPSCs engineered for immune evasion.
Conclusions:
- T cell, NK cell, and complement evasion are essential to prevent immunological rejection of hPSC-derived cells.
- Engineered hPSCs and their progeny can be utilized for refining tissue-specific immune barriers.
- Developed hPSCs are suitable for preclinical testing in immunocompetent mouse models.
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