Journal
JOURNAL OF CLINICAL INVESTIGATION
Volume 129, Issue 1, Pages 4-11Publisher
AMER SOC CLINICAL INVESTIGATION INC
DOI: 10.1172/JCI123946
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Funding
- NIH [RO1AG039449, AG050441, AG13925, AG49182]
- Connor Group
- Glenn/American Federation for Aging Research (AFAR) BIG Award
- Ted Nash Long Life Foundation
- Noaber Foundation
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Donor age and recipient age are factors that influence transplantation outcomes. Aside from age-associated differences in intrinsic graft function and alloimmune responses, the ability of young and old cells to exert either rejuvenating or aging effects extrinsically may also apply to the transplantation of hematopoietic stem cells or solid organ transplants. While the potential for rejuvenation mediated by the transfer of youthful cells is currently being explored for therapeutic applications, aspects that relate to accelerating aging are no less clinically significant. Those effects may be particularly relevant in transplantation with an age discrepancy between donor and recipient. Here, we review recent advances in understanding the mechanisms by which young and old cells modify their environments to promote rejuvenation-or aging-associated phenotypes. We discuss their relevance to clinical transplantation and highlight potential opportunities for therapeutic intervention.
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