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Impact of interleukin-6 on T cells in kidney transplant recipients

Sindhu Chandran1, Qizhi Tang2

  • 1Department of Medicine, University of California San Francisco, San Francisco, California, USA.

American Journal of Transplantation : Official Journal of the American Society of Transplantation and the American Society of Transplant Surgeons
|December 1, 2022
PubMed

Interleukin-6 (IL-6), a multifunctional proinflammatory cytokine, plays a key role in T cell activation, survival, and differentiation. Acting as a switch that induces the differentiation of naïve T cells into Th17 cells and inhibits their development into regulatory T cells, IL-6 promotes rejection and abrogates tolerance. Therapies that target IL-6 signaling include antibodies to IL-6 and the IL-6 receptor and inhibitors of janus kinases; several of these therapeutics have demonstrated robust clinical efficacy in autoimmune and inflammatory diseases. Clinical trials of IL-6 inhibition in kidney transplantation have focused primarily on its effects on B cells, plasma cells, and HLA antibodies. In this review, we summarize the impact of IL-6 on T cells in experimental models of transplant and describe the effects of IL-6 inhibition on the T cell compartment in kidney transplant recipients.

Keywords:
clinical research/practicecytokines/cytokine receptorsimmunobiologyimmunosuppressant-fusion proteins and monoclonal antibodies: T cell specificimmunosuppression/immune modulationkidney transplantation/nephrologylymphocyte biology: differentiation/maturationrejection: T cell mediated (TCMR)tolerance: clinicaltranslational research/science

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