Caspase 1 Inhibitor

Caspase 1 Inhibitors (55):

Cat. No.	Product Name	Effect	Purity

HY-12305

Q-VD-OPh	Inhibitor	99.92%
Q-VD-OPh is an irreversible pan-caspase inhibitor with potent antiapoptotic properties; inhibits caspase 7 with an IC₅₀ of 48 nM and 25-400 nM for other caspases including caspase 1, 3, 8, 9, 10, and 12. Q-VD-OPh can inhibits HIV infection. Q-VD-OPh is able to cross the blood-brain barrier.

HY-13205

Belnacasan	Inhibitor	99.99%
Belnacasan (VX-765) is an orally bioactive proagent of VRT-043198, which is a potent and selective inhibitor of IL-converting enzyme (ICE)/caspase-1 with K_is of 0.8 nM and less than 0.6 nM for caspase-1 and caspase-4, respectively. Belnacasan (VX-765) inhibits the release of LPS-induced IL-1β and IL-18 by human PBMCs with an IC₅₀ of ~0.7 μM.

HY-100573

Necrosulfonamide	Inhibitor	98.61%
Necrosulfonamide 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.

HY-16990

Ac-YVAD-cmk	Inhibitor	99.63%
Ac-YVAD-cmk (Caspase-1 Inhibitor II) is a selective caspase-1 (IL-1beta converting enzyme, ICE)) inhibitor with neuroprotective and anti-inflammatory effects. Ac-YVAD-cmk effectively suppresses the expression of IL-1β and IL-18. Ac-YVAD-cmk inhibits pyroptosis in many diseases.

HY-P1001

Ac-DEVD-CHO	Inhibitor	99.76%
Ac-DEVD-CHO is a Caspase-3 inhibitor with a K_i value of 230 pM.

HY-W017087

1,2,4-Trimethoxybenzene	Inhibitor
1,2,4-Trimethoxybenzene is an orally active NLRP3 selective inhibitor. 1,2,4-Trimethoxybenzene can markedly suppress Nigericin (HY-127019) or ATP (HY-B2176)-induced NLRP3 inflammasome activation, thus decreasing caspase-1 activation and IL-1β secretion. 1,2,4-Trimethoxybenzene specifically inhibits the activation of NLRP3 inflammasome without affecting absent in melanoma 2 (AIM2) inflammasome activation. 1,2,4-Trimethoxybenzene inhibits oligomerization of the apoptosis-associated speck-like protein containing a CARD (ASC) and protein-protein interaction between NLRP3 and ASC, thus blocking NLRP3 inflammasome assembly. 1,2,4-Trimethoxybenzene can be used for the study of experimental autoimmune encephalomyelitis (EAE), multiple sclerosis, and type 2 diabetes.

HY-178898

7-Oxogedunin	Inhibitor
7-Oxogedunin (Compound 7DG; Compound 16) is a small molecule that protects macrophages from cell pyroptosis induced by anthrax lethal toxin (LT). Its target is protein kinase R (PKR). 7-Oxogedunin can widely inhibit the assembly of various inflammasomes (NLRP1 and NLRP3) and the activation of caspase-1 by inhibiting the kinase-independent function of PKR. 7-Oxogedunin has growth inhibitory activity on European corn borer larvae. 7-Oxogedunin can be used for LT toxicity inhibition and pest control research.

HY-185311

NEK7 degrader-3	Inhibitor
NEK7 degrader-3 is an orally active and brain-penetrant NEK7 molecular glue degrader with a DC₅₀ of 33.1 nM. NEK7 degrader-3 mediates interaction between NEK7 and E3 ligase cereblon, promoting proteasomal degradation of NEK7 and attenuating NLRP3 inflammasome-mediated inflammatory responses. NEK7 degrader-3 inhibits caspase-1 activity, cytokine release of IL-1β, IL-1α, and IL-18, and pyroptosis-related plasma membrane permeabilization. NEK7 degrader-3 shows antiinflammatory activity in an LPS (HY-D1056)-induced neuroinflammation mouse model. NEK7 degrader-3 can be used for the research of neuroinflammation.

HY-132591A

Inclisiran sodium	Inhibitor	99.08%
Inclisiran 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).

HY-132591

Inclisiran	Inhibitor	99.48%
Inclisiran 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).

HY-171006

IRF1-IN-1	Inhibitor	99.72%
IRF1-IN-1 (Compound I-2) is an IRF1 inhibitor. IRF1-IN-1 decreases the recruitment of IRF1 to the promoter of CASP1. IRF1-IN-1 inhibits cell death signaling pathway (i.e., cleavage of Caspase 1, GSDMD, IL-1 and PARP1). IRF1-IN-1 has a protective effect on ionizing radiation-induced inflammatory skin injury.

HY-112226

VRT-043198	Inhibitor	98.89%
VRT-043198, the agent metabolite of VX-765 (Belnacasan), is a potent, selective and blood-brain barrier permeable inhibitor of interleukin-converting enzyme/caspase-1 subfamily caspases. VRT-043198 exhibits K_i values of 0.8 nM and 0.6 nM for ICE/caspase-1 and caspase-4, respectively.

HY-W269593

Perfluorodecanoic acid	Inhibitor	98.0%
Perfluorodecanoic acid (PFDA) is an orally active perfluoroalkyl substance. Perfluorodecanoic acid causes dysfunction of rat fetal Leydig cells via endoplasmic reticulum stress-mediated changes in lipid components. Perfluorodecanoic acid reduces testosterone biosynthesis in rat R2C Leydig cells by inducing endoplasmic reticulum stress. Perfluorodecanoic acid can be used in studies related to fetal Leydig cell dysfunction.

HY-N2414

Periplogenin	Inhibitor	≥99.70%
Periplogenin is an orally active cardiac glycoside found in Cortex periplocae. Periplogenin can induce ROS production and necroptosis and cause G0/G1 phase arrest. Periplogenin can inhibit pyroptosis by regulating the NLRP3/Caspase-1/GSDMD signaling. Periplogenin suppresses growth of prostate carcinoma cells by docking to an ATP1A1 protein pocket and forming a hydrogen bond with T804. Periplogenin can be used for the researches of cancer, inflammation and immunology, such as prostate carcinoma, rheumatoid arthritis and psoriasis.

HY-111675

Ac-FLTD-CMK	Inhibitor	99.18%
Ac-FLTD-CMK, a gasdermin D (GSDMD)-derived inhibitor, is a specific inflammatory caspases inhibitor. Ac-FLTD-CMK is effective against caspases-1 (IC₅₀ of 46.7 nM), caspases-4 (IC₅₀ of 1.49 μM), caspases-5 (IC₅₀ of 329 nM), and caspases-11 , but not the apoptotic caspases such as caspase-3.

HY-N5042

Forsythoside I	Inhibitor	99.94%
Forsythoside I is an orally active caffeoyl phenylethanoid glycoside (CPG) that can be isolated from Forsythia suspense (Thunb.) Vahl. Forsythoside I has anti-inflammatory activity and can exert a protective effect in a mouse model of acute lung injury.

HY-171007

IRF1-IN-2	Inhibitor	99.83%
IRF1-IN-2 (Compound I-19) is an IRF1 inhibitor. IRF1-IN-2 decreases the recruitment of IRF1 to the promoter of CASP1. IRF1-IN-2 inhibits cell death signaling pathway (i.e., cleavage of Caspase 1, GSDMD, IL-1 and PARP1; inhibits the Pho of TKB1, upregulates GPX4 and downregulates FACL4). IRF1-IN-2 has a protective effect on ionizing radiation-induced inflammatory skin injury.

HY-W011978

N-Acetyl-L-tryptophan	Inhibitor	99.82%
N-Acetyl-L-tryptophan is an antagonist of the neurokinin-1 receptor (NK-1R), disrupting the binding of substance P (SP) to NK-1R. This action provides neuroprotective effects, improving memory deficits and motor impairments. N-Acetyl-L-tryptophan is also an inhibitor of cytochrome c (Cytochrome c), and it exerts antioxidant and anti-inflammatory effects by inhibiting the expression of IL-1β and the activation of caspase-1. N-Acetyl-L-tryptophan holds promise for research in neurodegenerative and inflammatory diseases.

HY-101019

Ossirene	Inhibitor	98.0%
Ossirene (AS101), an immunomodulatory tellurium compound, is a potent IL-1β inhibitor. Ossirene abolishes phosphorylation of STAT3 by inhibiting IL-10. Ossirene potently inhibits Caspase-1 and is used for the autoimmune diseases and certain malignancies.

HY-159520

Ofirnoflastum	Inhibitor	99.93%
Ofirnoflastum (Ofirnoflast) is an orally active first-in-class allosteric NEK7 inhibitor with an IC₅₀ of 46 nM. Ofirnoflastum binds an allosteric site adjacent to NEK7’s ATP-binding pocket, induces conformational shifts, disrupts NEK7-NLRP3 binding, blocks NLRP3 inflammasome assembly, spares NEK7’s physiological functions, and suppresses caspase-1, caspase-8, NF-κB, and TNF activity. Ofirnoflastum reduces pro-inflammatory cytokine production, suppresses ASC specks, IL-1β release, pyroptotic cell death, and leukemic burden, induces apoptosis and erythroid differentiation, restores hematopoiesis, and improves outcomes in colitis models. Ofirnoflastum can be used for the research of myelodysplastic syndromes, chronic myelomonocytic leukemia, and acute myeloid leukemia.

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