Targeting co-stimulatory pathways: Transplantation and autoimmunity

Mandy L. Ford, Andrew B. Adams, Thomas C. Pearson

Research output: Contribution to journalReview articlepeer-review

98 Scopus citations

Abstract

The myriad of co-stimulatory signals expressed, or induced, upon T-cell activation suggests that these signalling pathways shape the character and magnitude of the resulting autoreactive or alloreactive T-cell responses during autoimmunity or transplantation, respectively. Reducing pathological T-cell responses by targeting T-cell co-stimulatory pathways has met with therapeutic success in many instances, but challenges remain. In this Review, we discuss the T-cell co-stimulatory molecules that are known to have critical roles during T-cell activation, expansion, and differentiation. We also outline the functional importance of T-cell co-stimulatory molecules in transplantation, tolerance and autoimmunity, and we describe how therapeutic blockade of these pathways might be harnessed to manipulate the immune response to prevent or attenuate pathological immune responses. Ultimately, understanding the interplay between individual co-stimulatory and co-inhibitory pathways engaged during T-cell activation and differentiation will lead to rational and targeted therapeutic interventions to manipulate T-cell responses and improve clinical outcomes.

Original languageEnglish (US)
Pages (from-to)14-24
Number of pages11
JournalNature Reviews Nephrology
Volume10
Issue number1
DOIs
StatePublished - Jan 2014
Externally publishedYes

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