Journal
JOURNAL OF HEART AND LUNG TRANSPLANTATION
Volume 40, Issue 8, Pages 745-753Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.healun.2021.04.004
Keywords
microbiota; alloimmunity; metabolites; immunosuppression; organ transplantation
Funding
- NIH [R01 AI115716, U01 AI132898]
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The microbiome plays a crucial role in shaping immune responses in transplantation, affecting various aspects such as cell modulation, immune response phases, and drug metabolism. The complex interactions between the microbiota and the host have significant implications for transplant outcomes and alloimmunity.
The microbiome is an environmental factor in intricate symbiotic relationship with its hosts' immune system, potentially shaping anticancer immunity, autoimmunity, and transplant responses. The focus of this review is to discuss recent findings tying the microbiota to transplant outcomes and alloimmunity. The microbiota changes dynamically following transplantation, but whether these changes affect transplant outcomes can be difficult to parse out. New data reveal effects of the microbiota locally, as well as systemically, depending on the mucosal/epithelial surface colonized, the specific commensal communities present and the nature of microbial-derived molecules produced. These complex interactions result in the microbiota potentially impacting transplantation at different levels, including modulation of donor and/or recipient cells, alterations in the priming and/or effector phases of the alloimmune response, availability or metabolism of immunosuppressive drugs, transplant fate or posttransplant complications. J Heart Lung Transplant 2021;40:745-753 (c) 2021 International Society for Heart and Lung Transplantation. All rights reserved.
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