NLRP3 inflammasome priming: a riddle wrapped in a mystery inside an enigma

Chloe M. McKee, Rebecca C. Coll*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

16 Citations (Scopus)
699 Downloads (Pure)


The NLRP3 (NOD‐, LRR‐, and pyrin domain‐containing protein 3) inflammasome is an immunological sensor that detects a wide range of microbial‐ and host‐derived signals. Inflammasome activation results in the release of the potent pro‐inflammatory cytokines IL‐1β and IL‐18 and triggers a form of inflammatory cell death known as pyroptosis. Excessive NLRP3 activity is associated with the pathogenesis of a wide range of inflammatory diseases, thus NLRP3 activation mechanisms are an area of intensive research. NLRP3 inflammasome activation is a tightly regulated process that requires both priming and activation signals. In particular, recent research has highlighted the highly complex nature of the priming step, which involves transcriptional and posttranslational mechanisms, and numerous protein binding partners. This review will describe the current understanding of NLRP3 priming and will discuss the potential opportunities for targeting this process therapeutically to treat NLRP3‐associated diseases.

Original languageEnglish
Pages (from-to)937-952
JournalJournal of Leukocyte Biology
Issue number3
Early online date03 Aug 2020
Publication statusPublished - Sept 2020


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