Pyroptosis Inhibitor

(-)-Aspartic acid is a pyroptosis inhibitor. (-)-Aspartic acid acts as a neurotransmitter and neuromodulator, participates in hormone synthesis and regulation, and plays a role in nervous system development and endocrine system.

Thiolutin (Acetopyrrothin) is a sulfur-containing antibiotic, which is a potent inhibitor of bacterial and yeast RNA polymerases. Thiolutin can be produced by Streptomyces. Thiolutin inhibits AMSH (IC₅₀ = 4 μM) and Rpn11 (IC₅₀ = 0.53 μM). Thiolutin is a dual inhibitor of BRCC36 and the NLRP3 inflammasome, exhibiting anti-inflammatory effects. Thiolutin effectively suppresses the interaction between BRCC36 and HMGCR, leading to the inhibition of HCC growth. Thiolutin attenuates pyroptosis and NLRP3 inflammasome activation. Thiolutin markedly alleviates renal injury and inflammatory process in IgAN. Thiolutin is an anti-angiogenic compound which can ease Doxorubicin-induced cardiotoxicity (DOXIC)^{[1][2][3][4][5]}.

SCR-1481B1 (Metatinib anhydrous; c-Met inhibitor 2) is an inhibitor of the N-terminal fragment of Gasdermin D (GSDMD), with an IC₅₀ of 1.04 μM and a K_a of 0.42 μM in mice. SCR-1481B1 effectively blocks GSDMD-NT oligomerization and pore formation, inhibits GSDMD-mediated pyroptosis (Pyroptosis), preserves mitochondrial integrity, and reduces proinflammatory cytokine secretion. SCR-1481B1 also inhibits angiogenesis, exerts GSDMD-independent antitumor effects, and enhances the infiltration of antitumor immune cells. SCR-1481B1 is also an inhibitor targeting to c-MET and VEGFR2, can be used in studies related to melanoma and sepsis.

Gypenoside XLIX is a multifunctional bioactive compound that can be isolated from Gynostemma pentaphyllum, with a K_a value of 1.58 μM for its binding to SIRT1. Gypenoside XLIX acts as a PPAR-α agonist. It inhibits the activation of TLR4-mediated NF-κB signaling pathway by activating the Sirt1/Nrf2 signaling pathway, reduces ROS accumulation, and alleviates hepatic inflammatory injury in mice with sepsis-induced liver disease. Gypenoside XLIX targets SIRT1 to block YAP-NLRP3 activation and improve sepsis-induced cardiomyopathy. Gypenoside XLIX inhibits apoptosis (Apoptosis), pyroptosis (Pyroptosis), autophagy (Autophagy), lipid peroxidation, pro-inflammatory cytokines and anti-inflammatory cytokines. Gypenoside XLIX alleviates sepsis-induced splenic injury by inhibiting inflammation and oxidative stress, and mitigates sepsis-associated encephalopathy by targeting PPAR-α. Gypenoside XLIX prevents acute kidney injury by inhibiting IGFBP7/IGF1R-mediated programmed cell death and inflammation. Gypenoside XLIX inhibits the expression and activity of vascular cell adhesion molecule-1 in cytokine-induced human endothelial cells. Gypenoside XLIX is applicable to research related to acute liver injury, lung injury, cardiomyopathy, acute splenic injury, sepsis-associated encephalopathy, acute kidney injury, atherosclerosis and chronic inflammation.

Sipeimine (Imperialine) is an inhibitor targeting the PI3K/AKT/NF-κB pathway and NLRP3 inflammasome, which can competitively bind to PI3K and p65. Sipeimine inhibits PI3K/AKT phosphorylation, blocks NF-κB nuclear translocation and NLRP3 inflammasome activation. Sipeimine exerts anti-inflammatory activities, inhibits pyroptosis and ferroptosis, and protects the extracellular matrix. Sipeimine can reduce cartilage degradation and synovial inflammation in osteoarthritis and improve PM2.5-induced lung injury. Sipeimine is mainly used in the study of anti-inflammatory and degenerative diseases.

JT002 is an orally active and selective NLRP3 inflammasome assembly inhibitor. JT002 reduces NLRP3-dependent proinflammatory cytokine (such as IL-1β, IL-1α, IL-18) production and pyroptosis. JT002 blocks NLRP3 inflammasome complex formation. JT002 reduces airway hyperresponsiveness and airway neutrophilia in mice. JT002 can be used for the study of a variety of inflammatory diseases, such as Muckle-Wells syndrome (MWS).

INF 195 is an NLRP3 inhibitor. INF 195 can inhibit NLRP3 driven macrophage pyroptosis and IL-1β release, with an EC₅₀ value of 0.15 μM. INF 195 can reduce the infarct size of isolated mouse hearts at low doses, effectively preventing myocardial ischemia/reperfusion injury.

NLRP3-IN-94 is a NLRP3-dependent Pyroptosis inhibitor with an IC₅₀ of 0.2392 μM.

Lenalidomide (Standard) (CC-5013 (Standard)) is the analytical standard of Lenalidomide (HY-A0003). This product is intended for research and analytical applications. Lenalidomide (CC-5013) is an orally active immunomodulatory agent that binds CRBN as a molecular glue to alter substrate specificity, inducing ubiquitination and proteasome-dependent degradation of IKZF1, IKZF3 and CK1α. Lenalidomide induces apoptosis by degrading IKZF1/3, and activates p53 by degrading CK1α. Lenalidomide promotes IL-2 release and effector functions of CD8⁺ T/NK cells, while inhibiting TNF-α secretion and M1-type pyroptosis. Lenalidomide can be used in research related to hematological malignancies, acute liver failure and acute kidney injury.

CDYL-IN-1 is a selective small-molecule inhibitor of CDYL with a K_D value of 0.5 μM. CDYL-IN-1 improves renal dysfunction, pathological damage and renal tubular pyroptosis, inhibits FABP4-mediated ROS production, and alleviates renal tubular epithelial cell injury. CDYL-IN-1 is applicable to the research of acute kidney injury.

Ac-DMLD-CMK TFA is a caspase 3 inhibitor and a GSDME inhibitor. Ac-DMLD-CMK TFA binds directly to the catalytic domain of caspase-3, blocks caspase-3-mediated cleavage of GSDME, inhibits the activation of caspase 3 and Gsdme in the caspase 3-Gsdme signaling pathway, and reduces the levels of pyroptosis and apoptosis as well as the expression of LDH, IL-6, IL-1β and IL-18. Ac-DMLD-CMK TFA alleviates renal function deterioration, renal tubular epithelial cell injury, inflammatory cytokine secretion, pulmonary structural damage, and chemotherapy-induced nephrotoxicity.

Triptophenolide (Hypolide) is a colorless crystal isolated from the ethyl acetate extract of Tripterygium wilfordii. Triptophenolide is an orally active pan‑antagonist of the androgen receptor (AR) with an IC₅₀ of 467 nM against human wild‑type AR. Triptophenolide reduces AR expression, inhibits AR nuclear translocation, downregulates prostate‑specific antigen mRNA levels, and suppresses the growth of AR‑positive prostate cancer cells. Triptophenolide shows anti-tumor effects against breast cancer by inhibiting cell proliferation and migration, inducing G1-phase arrest and apoptosis, repressing xenograft tumor growth. Triptophenolide inhibits pyroptosis, alleviates tissue inflammation, and ameliorates synovial injury. Triptophenolide can be used for the study of prostate cancer, rheumatoid arthritis and breast cancer.

Magnesium isoglycyrrhizinate hydrate (18α-Glycyrrhizic acid Magnesium hydrate; 18α-GA Magnesium hydrate; 18α-Licorice-saponin H2 Magnesium hydrate) is a derivative of glycyrrhizic acid with oral activity. Magnesium isoglycyrrhizinate hydrate exhibits antioxidant, anti-inflammatory, hepatoprotective and cardioprotective activities. Magnesium isoglycyrrhizinate hydrate protects against ethanol-induced alcoholic liver disease in rats by upregulating the expression levels of SOD, GSH, PPAR-α and CPT-1. Magnesium isoglycyrrhizinate hydrate shows cytotoxicity against T lymphocytes and inhibits HIV-1 replication in these cells. Magnesium isoglycyrrhizinate hydrate alleviates oxidative stress by reducing the levels of ROS, Nrf2, HO-1 and p-P65, and alleviates pyroptosis by downregulating the expression levels of NLRP3, GSDMD-N, P20 and c-IL-1β. Magnesium isoglycyrrhizinate hydrate inhibits autophagy, colonic fibrosis and myocardial fibrosis, and regulates intestinal barrier integrity. Magnesium isoglycyrrhizinate hydrate can be used in research related to alcoholic liver disease, HIV-1 infection, hepatotoxicity, acute liver failure, inflammatory bowel disease and myocardial fibrosis.

Pep19-2.5 is an synthetic and antitoxin peptide, blocks the intracellular endotoxin signaling cascade. Pep19-2.5 inhibits signaling of lipopeptides (LP) and lipopolysaccharides (LPS) mediated by transmembrane and cytosolic pattern recognition receptors (PRRs). The signaling cascades lead to inflammation and cell pyroptosis.

(+)-Medioresinol is a furofuran-type lignan with antifungal and antibacterial properties. (+)-Medioresinol synergizes with antibiotics to exert antimicrobial and antibiofilm effects. (+)-Medioresinol induces intracellular ROS accumulation and mitochondrial-mediated apoptosis in Candida albicans. (+)-Medioresinol inhibits LPS (HY-D1056)-stimulated IL-12p40 production. (+)-Medioresinol is a PGC-1α activator that protects against endothelial cell pyroptosis in ischemic stroke via the PPARα-GOT1 axis. (+)-Medioresinol can be used in research on fungal and bacterial infection, inflammation, and ischemic stroke.

18α-Glycyrrhizic acid (18α-GA; Isoglycyrrhizinic acid; 18α-Glycyrrhizic acid) is a derivative of glycyrrhizic acid with oral activity. 18α-Glycyrrhizic acid exhibits antioxidant, anti-inflammatory, hepatoprotective and cardioprotective activities. 18α-Glycyrrhizic acid protects against ethanol-induced alcoholic liver disease in rats by upregulating the expression levels of SOD, GSH, PPAR-α and CPT-1. 18α-Glycyrrhizic acid shows cytotoxicity against T lymphocytes and inhibits HIV-1 replication in these cells. 18α-Glycyrrhizic acid alleviates oxidative stress by reducing the levels of ROS, Nrf2, HO-1 and p-P65, and alleviates pyroptosis by downregulating the expression levels of NLRP3, GSDMD-N, P20 and c-IL-1β. 18α-Glycyrrhizic acid inhibits autophagy, colonic fibrosis and myocardial fibrosis, and regulates intestinal barrier integrity. 18α-Glycyrrhizic acid can be used in research related to alcoholic liver disease, HIV-1 infection, hepatotoxicity, acute liver failure, inflammatory bowel disease and myocardial fibrosis.

D359-0396 is an orally active NLRP3 inflammasome inhibitor. D359-0396 inhibits pyroptosis and IL-1β release in macrophages. D359-0396 also inhibits the oligomerization of NLRP3, ASC and the cleavage of GSDMD. D359-0396 alleviates EAE, and also improves survival after septic shock in mice.

Cichoriin is an orally active coumarin glycoside with broad biological activities. Cichoriin exhibits inhibitory activities against α-amylase, α-glucosidase, pancreatic lipase and DPP-IV, with IC₅₀ values of 5.76, 2.94, 16.83 and 9.16 μg/mL, respectively. Cichoriin significantly improves metabolic dysfunction-associated steatohepatitis (MASH) in mice by activating the AMPK signaling pathway. Cichoriin upregulates PPAR-γ in adipose tissue and alleviates obesity and associated cardiorenal injury in rats. Cichoriin blocks monosodium urate crystal-induced activation of the NLRP3 inflammasome and cell pyroptosis by inhibiting P2Y₁₄R (IC₅₀ = 8.47 nM). In silico virtual screening reveals that Cichoriin has a strong binding affinity for SARS-CoV-2.

M464, a non-steroidal anti-inflammatory compound, is a potent and orally active NLRP3 inflammasome inhibitor. M464 inhibits pyroptosis and hinders the activation of downstream Caspase-1 expression and the release of IL-1β by impeding ASC oligomerisation and curtailing ROS production. M464 exhibits protective effects against acute lung and liver injury in mice. M464 can be used for the research of NLRP3-related inflammatory diseases.

Ac-FEID-CMK TFA is a potent zebrafish-specific GSDMEb-derived peptide inhibitor. Ac-FEID-CMK TFA can attenuate the mortality and kidney injury during septic shock. Ac-FEID-CMK TFA inhibits pyroptosis and attenuates septic AKI (acute kidney injury) in vivo. Ac-FEID-CMK TFA can suppress the caspy2-mediated noncanonical inflammasome pathway.