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Activation and Measurement of NLRP3 Inflammasome Activity Using IL-1β in Human Monocyte-derived Dendritic Cells
Published on: May 22, 2014
Exercise-Induced Exerkines: Multi-Nodal Suppression of the NLRP3 Inflammasome and Translational Potential
Huaiming Wang1, Zongqiang Jin1, Shijing Di2
1School of Sports Training, Tianjin University of Sport, Tianjin, China.
Abstract:
Chronic low-grade inflammation driven by persistent NLRP3 inflammasome activation is a unifying pathophysiological feature of most non-communicable diseases (NCDs). Whereas single-target pharmacological inhibitors exhibit limited breadth and durability, regular moderate-intensity exercise confers robust multi-system protection through a diverse network of exerkines. This narrative review synthesizes evidence that exercise-released myokines (irisin, Metrnl, context-reprogrammed IL-6), hepatokines/adipokines (FGF21, adropin, adiponectin), metabolites (lactate, β-hydroxybutyrate), microbiota-derived factors (SCFAs, betulinic acid), and extracellular vesicle (EV)-delivered non-coding RNAs converge on every regulatory node of the canonical NLRP3 inflammasome to achieve multi-nodal suppression that is currently unmatched by any single pharmacological approach based on available evidence. Acute high-intensity exercise transiently activates NLRP3 via canonical danger signals, whereas chronic moderate-intensity training (150-300 min·wk-1, 60%-75% HRmax) induces profound basal suppression through NF-κB attenuation, mitochondrial protection, direct interference with NEK7-NLRP3 interaction and ASC oligomerization, post-transcriptional silencing, and enhanced autophagic clearance. These mechanisms are supported by preclinical structural data and human biomarker studies across cardiovascular, metabolic, neurodegenerative, and musculoskeletal disorders. We propose a precision exercise medicine framework integrating exerkine/genetic/microbiome profiling to minimize non-responders, together with emerging mimetics, RNA therapeutics, and synergistic pharmacology, to deliver scalable systems-level modification of NLRP3-driven metaflammation.
Insights
Regular moderate exercise suppresses NLRP3 inflammasome activation, a key driver of non-communicable diseases. Exercise-released factors offer multi-nodal suppression unmatched by single drugs.
Area of Science:
- Exercise Science
- Immunology
- Molecular Biology
Background:
- Chronic low-grade inflammation via NLRP3 inflammasome activation is central to non-communicable diseases (NCDs).
- Current single-target drugs for NLRP3 inhibition show limited efficacy and durability.
- Exercise offers broad, multi-system protection through diverse signaling molecules called exerkines.
Purpose of the Study:
- To review evidence on how exercise-derived factors modulate the NLRP3 inflammasome.
- To explore the multi-nodal suppression mechanisms of chronic moderate-intensity exercise on NLRP3.
- To propose a precision exercise medicine framework for managing NLRP3-driven metaflammation.
Main Methods:
- Narrative review of preclinical and human studies.
- Synthesis of evidence on exercise-released myokines, hepatokines, adipokines, metabolites, microbiota factors, and extracellular vesicle RNAs.
- Analysis of molecular and cellular mechanisms of NLRP3 inflammasome regulation by exercise.
Main Results:
- Exercise-released factors (e.g., irisin, FGF21, lactate, SCFAs, non-coding RNAs) target multiple NLRP3 inflammasome nodes.
- Chronic moderate-intensity exercise (150-300 min/wk) induces profound NLRP3 suppression.
- Mechanisms include NF-κB attenuation, mitochondrial protection, direct NLRP3/ASC interference, and enhanced autophagy.
Conclusions:
- Exercise-induced multi-nodal NLRP3 suppression offers a systems-level approach superior to single-target pharmacology.
- A precision exercise medicine framework integrating exerkine, genetic, and microbiome data can personalize interventions.
- Future strategies may combine exercise mimetics, RNA therapeutics, and synergistic pharmacology for NLRP3-driven metaflammation.
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