PMID- 35755447 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20220716 IS - 1664-042X (Print) IS - 1664-042X (Electronic) IS - 1664-042X (Linking) VI - 13 DP - 2022 TI - The Role of the NLRP3 Inflammasome in Mediating Glomerular and Tubular Injury in Diabetic Nephropathy. PG - 907504 LID - 10.3389/fphys.2022.907504 [doi] LID - 907504 AB - The NOD-like receptor protein 3 (NLRP3) inflammasome is a multi-protein signalling complex integral to the chronic inflammatory response, activated in response to sterile and non-sterile cellular damage. The assembly and activation of the NLRP3 inflammasome comprise a two-step process involving nuclear factor kappa B (NFkB)-mediated priming, followed by canonical, non-canonical or alternative signalling pathways. These result in the maturation and release of inflammatory cytokines interleukin 1 beta (IL1ss) and interleukin-18 (IL18), which are associated with chronic inflammatory conditions including diabetic kidney disease. Diabetic nephropathy is a condition affecting approximately 40% of people with diabetes, the key underlying pathology of which is tubulointerstitial inflammation and fibrosis. There is growing evidence to suggest the involvement of the NLRP3 inflammasome in this chronic inflammation. Early deterioration of kidney function begins in the glomerulus, with tubular inflammation dictating the progression of late-stage disease. Priming and activation of the NLRP3 inflammasome have been linked to several clinical markers of nephropathy including proteinuria and albuminuria, in addition to morphological changes including mesangial expansion. Treatment options for diabetic nephropathy are limited, and research that examines the impact of directly targeting the NLRP3 inflammasome, or associated downstream components are beginning to gain favour, with several agents currently in clinical trials. This review will explore a role for NLRP3 inflammasome activation and signalling in mediating inflammation in diabetic nephropathy, specifically in the glomerulus and proximal tubule, before briefly describing the current position of therapeutic research in this field. CI - Copyright (c) 2022 Williams, Cliff, Lee, Squires and Hills. FAU - Williams, B M AU - Williams BM AD - School of Life Sciences, University of Lincoln, Lincoln, United Kingdom. FAU - Cliff, C L AU - Cliff CL AD - School of Life Sciences, University of Lincoln, Lincoln, United Kingdom. FAU - Lee, K AU - Lee K AD - Lincoln County Hospital, Lincoln, United Kingdom. FAU - Squires, P E AU - Squires PE AD - School of Life Sciences, University of Lincoln, Lincoln, United Kingdom. FAU - Hills, C E AU - Hills CE AD - School of Life Sciences, University of Lincoln, Lincoln, United Kingdom. LA - eng PT - Journal Article PT - Review DEP - 20220609 PL - Switzerland TA - Front Physiol JT - Frontiers in physiology JID - 101549006 PMC - PMC9218738 OTO - NOTNLM OT - NLRP3 OT - diabetes OT - diabetic nephropathy OT - fibrosis OT - inflammation COIS- The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. EDAT- 2022/06/28 06:00 MHDA- 2022/06/28 06:01 PMCR- 2022/06/09 CRDT- 2022/06/27 03:50 PHST- 2022/03/29 00:00 [received] PHST- 2022/05/23 00:00 [accepted] PHST- 2022/06/27 03:50 [entrez] PHST- 2022/06/28 06:00 [pubmed] PHST- 2022/06/28 06:01 [medline] PHST- 2022/06/09 00:00 [pmc-release] AID - 907504 [pii] AID - 10.3389/fphys.2022.907504 [doi] PST - epublish SO - Front Physiol. 2022 Jun 9;13:907504. doi: 10.3389/fphys.2022.907504. eCollection 2022.