NLRP3
NLRP3 (NLR Family Pyrin Domain Containing 3) is a cytosolic pattern-recognition receptor that functions as the sensor component of the NLRP3 inflammasome, enabling innate immune cells to detect microbial motifs, endogenous danger signals, and environmental irritants[1]. Upon activation, NLRP3 oligomerizes and recruits the adaptor ASC and pro-caspase-1, leading to inflammasome assembly, caspase-1 activation, and subsequent maturation of the pro-inflammatory cytokines IL-1β and IL-18 as well as gasdermin D-mediated pyroptosis[1][2]. Mechanistically, canonical NLRP3 activation requires a priming step that enhances NLRP3 and pro-inflammatory cytokine expression, followed by an activation step triggered by diverse stimuli including extracellular ATP, microbial toxins, silica particles, and monosodium urate crystals[2]. Through these signaling processes, NLRP3 regulates inflammation, host defense, and immune homeostasis, while excessive activation promotes pathological inflammatory responses[1][3]. Dysregulated NLRP3 inflammasome activity has been implicated in autoinflammatory syndromes, gout, cardiovascular disease, neurodegenerative disorders, inflammatory bowel disease, and other inflammation-associated conditions[1][3][4]. Compared with other inflammasome-forming NOD-like receptors such as NLRP1 and NLRC4, NLRP3 is distinguished by its ability to respond to an exceptionally broad spectrum of pathogen-associated and danger-associated signals rather than a limited set of ligands[1][4]. For experimental applications, selective NLRP3 inhibitors such as MCC950 suppress inflammasome assembly by targeting the NACHT domain and are widely used to investigate NLRP3-dependent inflammatory mechanisms in preclinical disease models[4].
References:
- [1]. Swanson KV, et al. The NLRP3 inflammasome: molecular activation and regulation to therapeutics. Nat Rev Immunol. 2019 Aug;19(8):477-489. [Content Brief]
- [2]. Shin HJ, et al. Molecular mechanisms of NLRP3 inflammasome activation. Exp Mol Med. 2026 Mar;58(3):650-663. [Content Brief]
- [3]. Chen Y, et al. The NLRP3 inflammasome: contributions to inflammation-related diseases. Cell Mol Biol Lett. 2023 Jun 27;28(1):51. [Content Brief]
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NLRP3 Related Products (222)
Related Products (222)
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Recombinant Proteins (1)
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Antibodies (1)
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ATP
0 ImagesATP (Adenosine 5'-triphosphate) is a central component of energy storage and metabolism in vivo. ATP provides the metabolic energy to drive metabolic pumps and serves as a coenzyme in cells. ATP is an important endogenous signaling molecule in immunity and inflammation. ATP can activate the NLRP3 inflammasome and induce IL-1β and chemokines secretion. ATP has anti-bacterial infection effects and can protect mice against bacterial infection in mice.
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Nigericin
0 ImagesNigericin is an antibiotic derived from Streptomyces hygroscopicus that act as a K+/H+ ionophore, promoting K+/H+ exchange across mitochondrial membranes. Nigericin is a NLRP3 activator. Nigericin shows promising anti-cancer activities through decreasing intracellular pH (pHi), and inactivation of Wnt/β-catenin signals. Nigericin induces pyroptosis through caspase 1/GSDMD in TNBC.
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Nigericin sodium salt
0 ImagesNigericin sodium salt is an antibiotic derived from Streptomyces hygroscopicus that act as a K+/H+ ionophore, promoting K+/H+ exchange across mitochondrial membranes. Nigericin sodium salt is a NLRP3 activator. Nigericin sodium salt shows promising anti-cancer activities through decreasing intracellular pH (pHi), and inactivation of Wnt/β-catenin signals. Nigericin sodium salt induces pyroptosis through caspase 1/GSDMD in TNBC.
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NP3-253
0 ImagesNP3-253 is an orally active and brain-penetranted NLRP3 inflammasome inhibitor. NP3-253 functions as a molecular glue that prevents NACHT-subdomain rearrangements, locking NLRP3 in an inactive conformation. NP3-253 inhibits production of pro-inflammatory cytokines IL-1β and IL-18. NP3-253 can be used for the research of inflammation and neurological disease, suah as peritonitis.
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Dexpramipexole
0 ImagesSynonyms: (R)-Pramipexole; R-(+)-Pramipexole; KNS-760704Dexpramipexole ((R)-Pramipexole) is an orally active, blood-brain barrier permeable mitochondrial protective agent. Dexpramipexole upregulates the expression of Parkin, PINK1, GPX4 and FSP1; binds to mitochondrial F1/Fo-ATP synthase; blocks the Nav1.8 sodium channel; and inhibits the activation of the NLRP3 inflammasome. Dexpramipexole induces mitophagy, inhibits ferroptosis, pyroptosis, apoptosis, neuroinflammation and eosinophilopoiesis; maintains mitochondrial function and redox homeostasis; reduces reactive oxygen species production; and decreases myocardial infarct size. Dexpramipexole is applicable to studies on eosinophilic asthma, myocardial ischemia/reperfusion injury, sepsis-associated encephalopathy, analgesia, and more.
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Antcin A
0 ImagesAntcin A is an orally active modulator of p53 and glucocorticoid receptor (GR), with an IC50 of 8.55 μM against human GR. Through transcriptional activation of p53, Antcin A induces miR-200c and inhibits ZEB1, regulates epithelial-mesenchymal transition markers, and suppresses cancer cell migration/invasion. Antcin A activates GR, inhibits Na+/K+-ATPase and NLRP3 inflammasome assembly, pyroptosis (pyroptosis) and pro-inflammatory cytokine release, reduces hepatic lipid deposition, improves liver function, and reverses metabolic changes induced by the SARS-CoV-2 spike protein. Antcin A can be used in research related to breast cancer, head and neck cancer, non-alcoholic fatty liver disease, and coronavirus disease 2019 (COVID-19).
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Necrosulfonamide
0 ImagesNecrosulfonamide is a MLKL and Gasdermin D (GSDMD) inhibitor, capable of separately inhibiting necroptosis and pyroptosis of cells. Necrosulfonamide does not affect the activation of upstream signals, but specifically inhibits the downstream executor oligomerization step. Necrosulfonamide reduces the expression of the key kinases NLRP3 and caspase-1 involved in necroptosis and pyroptosis, activate the Nrf2 pathway and the downstream antioxidant enzymes, and also downregulates a variety of inflammatory factors. Necrosulfonamide plays significant roles in various diseases such as neurodegenerative diseases (such as Parkinson’s disease), tissue damage and ischemia-reperfusion injury, inflammatory bowel disease, osteoarthritis and fracture repair, and hair loss by regulating two important programmed necrosis pathways.
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ANA-12
0 ImagesANA-12 is a brain-penetrant, selective TrkB antagonist with IC50 values of 45.6 nM and 41.1 μM, and Kd values of 10 nM and 12 μM, for high- and low-affinity sites, respectively. ANA-12 specifically inhibits BDNF-induced TrkB receptor activation and its downstream signaling cascades by directly and non-competitively binding to the TrkB receptor, without affecting the functions of TrkA and TrkC. ANA-12 is used in research concerning neuropsychiatric disorders (such as depression and anxiety), acute and chronic pain, neuroimmune inflammation, and the mechanisms of learning and memory.
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Trimethylamine N-oxide
0 ImagesTrimethylamine N-oxide is a gut microbe-dependent metabolite of dietary choline and other trimethylamine-containing nutrients. Trimethylamine N-oxide induces inflammation by activating the ROS/NLRP3 inflammasome. Trimethylamine N-oxide also accelerates fibroblast-myofibroblast differentiation and induces cardiac fibrosis by activating the TGF-β/smad2 signaling pathway.
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ATP disodium salt hydrate
0 ImagesSynonyms: Adenosine 5'-triphosphate disodium salt hydrateATP (Adenosine 5'-triphosphate) disodium salt hydrate is a central component of energy storage and metabolism in vivo. ATP disodium salt hydrate provides the metabolic energy to drive metabolic pumps and serves as a coenzyme in cells. ATP disodium salt hydrate is an important endogenous signaling molecule in immunity and inflammation. ATP disodium salt hydrate can activate the NLRP3 inflammasome and induce IL-1β and chemokines secretion. ATP disodium salt hydrate has anti-bacterial infection effects and can protect mice against bacterial infection in mice.
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Inclisiran sodium
0 ImagesCat. No.: HY-132591APurity: 99.08%Synonyms: ALN-PCSsc sodiumInclisiran sodium is a double-stranded small interfering RNA (siRNA) molecule. Inclisiran sodium inhibits the transcription of PCSK9. Inclisiran sodium inhibits Pyroptosis, activates PPARγ, and reduces NLRP3, cleaved caspase-1, IL-1β, and IL-18. Inclisiran sodium has anti-inflammatory, lipid-regulating and anti-atherosclerotic activities. Inclisiran sodium can be used in researches of hyperlipidemia and cardiovascular disease (CVD).
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NLRP3/AIM2-IN-3
0 ImagesNLRP3/AIM2-IN-3 (compound 59) is a potent inhibitor with differential species specific effects against NLRP3 and AIM2 inflammasome-dependent pyroptosis. NLRP3/AIM2-IN-3 shows inhibitory efficacy against pyroptosis in THP-1 macrophages stimulated with LPS/nigericin, with an IC50 of 0.077 ± 0.008 μM. NLRP3/AIM2-IN-3 disturbs the interaction of NLRP3 or AIM2 with the adaptor protein ASC and inhibited ASC oligomerization.
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Inclisiran
0 ImagesSynonyms: ALN-PCSscInclisiran is a double-stranded small interfering RNA (siRNA) molecule. Inclisiran inhibits the transcription of PCSK9. Inclisiran inhibits Pyroptosis, activates PPARγ, and reduces NLRP3, cleaved caspase-1, IL-1β, and IL-18. Inclisiran has anti-inflammatory, lipid-regulating and anti-atherosclerotic activities. Inclisiran can be used in researches of hyperlipidemia and cardiovascular disease (CVD).
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Stavudine
0 ImagesStavudine (d4T) is an orally active nucleoside reverse transcriptase inhibitor (NRTI). Stavudine has activity against HIV-1 and HIV-2. Stavudine also inhibits the replication of mitochondrial DNA (mtDNA). Stavudine reduces NLRP3 inflammasome activation and modulates Amyloid-β autophagy. Stavudine induces apoptosis.
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ATP (Standard)
0 ImagesATP (Adenosine 5'-triphosphate) (Standard) is the analytical standard of ATP (HY-B2176). This product is intended for research and analytical applications. ATP is a central component of energy storage and metabolism in vivo. ATP provides the metabolic energy to drive metabolic pumps and serves as a coenzyme in cells. ATP is an important endogenous signaling molecule in immunity and inflammation. ATP can activate the NLRP3 inflammasome and induce IL-1β and chemokines secretion. ATP has anti-bacterial infection effects and can protect mice against bacterial infection in mice.
