The inflammatory role of phagocyte apoptotic pathways in rheumatic diseases

Carla M. Cuda*, Richard M. Pope, Harris Perlman

*Corresponding author for this work

Research output: Contribution to journalReview article

27 Scopus citations

Abstract

Rheumatoid arthritis affects nearly 1% of the world's population and is a debilitating autoimmune condition that can result in joint destruction. During the past decade, inflammatory functions have been described for signalling molecules classically involved in apoptotic and non-apoptotic death pathways, including, but not limited to, Toll-like receptor signalling, inflammasome activation, cytokine production, macrophage polarization and antigen citrullination. In light of these remarkable advances in the understanding of inflammatory mechanisms of the death machinery, this Review provides a snapshot of the available evidence implicating death pathways, especially within the phagocyte populations of the innate immune system, in the perpetuation of rheumatoid arthritis and other rheumatic diseases. Elevated levels of signalling mediators of both extrinsic and intrinsic apoptosis, as well as the autophagy, are observed in the joints of patients with rheumatoid arthritis. Furthermore, risk polymorphisms are present in signalling molecules of the extrinsic apoptotic and autophagy death pathways. Although research into the mechanisms underlying these pathways has made considerable progress, this Review highlights areas where further investigation is particularly needed. This exploration is critical, as new discoveries in this field could lead to the development of novel therapies for rheumatoid arthritis and other rheumatic diseases.

Original languageEnglish (US)
Pages (from-to)543-558
Number of pages16
JournalNature Reviews Rheumatology
Volume12
Issue number9
DOIs
StatePublished - Sep 1 2016

ASJC Scopus subject areas

  • Rheumatology

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