Caspase Inhibitor

Tauroursodeoxycholate dehydrate is an orally active taurine conjugate of Ursodeoxycholic acid (HY-13771). Tauroursodeoxycholate dehydrate inhibits caspase-3/7, Apoptosis, IRE1α/TRAF2/NF-κB, prevents JNK phosphorylation, inhibits ROS generation, and activates Akt signaling. Tauroursodeoxycholate dehydrate prevents cataract formation, reduces renal tubular damage in type 2 diabetic mice, reduces I/R injury in liver, and inhibits intestinal inflammation and barrier disruption in nonalcoholic fatty liver disease.

C-Reactive Protein (CRP) is an anti-pneumococcal plasma protein that can serve as an inflammatory marker. C-Reactive protein can protect mice from pneumococcal infection by activating complement. C-Reactive protein can inhibit the activation of caspase-3/9 through the CD64/AKT/mTOR pathway, thereby promoting chemotherapy resistance in mice with tongue squamous cell carcinoma.

Vitexin-2"-O-rhamnoside is an orally active flavonoid glycoside. Vitexin-2"-O-rhamnoside inhibits Apoptosis, increases the phosphorylation levels of PI3K/Akt, inhibits caspase-3, SOD activity, and promotes cytokine (IL-2, IL-6, and IL-12) secretion. Vitexin-2"-O-rhamnoside strongly inhibits DNA synthesis in MCF-7 cells with an IC₅₀ of 17.5 μM. Vitexin-2"-O-rhamnoside enhances immune function and improves the absorption of active compounds. Vitexin-2"-O-rhamnoside has antioxidant activity. Vitexin-2"-O-rhamnoside is used in the study of cardiovascular disease and immune-related diseases.

BC-1471 is a STAMBP deubiquitinase inhibitor with an IC₅₀ of 0.33 μM. BC-1471 can inhibit the activity of the NALP7 inflammasome. BC-1471 has anti-inflammatory activity and can be used for the research of inflammatory diseases.

Polygalasaponin F is an orally active triterpenoid saponin monomer. Polygalasaponin F downregulates the expression of Bax, p53, caspase-3, NF-κB p65 and MEK1; restores and upregulates the expression of Bcl-2; activates the PI3K/Akt signaling pathway; inhibits the phosphorylation of p38 MAPK, nuclear translocation of NF-κB, TLR4-mediated signaling pathway, mitophagy (Mitophagy) and ROS production; enhances cell viability and suppresses apoptosis (Apoptosis). Polygalasaponin F maintains mitochondrial function, alleviates Ca²⁺ overload, upregulates pCREB and BDNF, preserves cell viability and inhibits the release of inflammatory cytokines. Polygalasaponin F alleviates lung injury induced by influenza A H1N1 and cerebral ischemia-reperfusion injury. Polygalasaponin F is applicable to researches related to Parkinson's disease, cerebral ischemia, pneumonia induced by influenza A H1N1, stroke and Alzheimer's disease.

Heptelidic acid (Koningic acid) is a sesquiterpene antibiotic. Heptelidic acid inhibits Etoposide-induced apoptosis via downregulation of caspases. Koningic acid (KA) is a specific GAPDH inhibitor with an IC₅₀of 90 μM.

Notoginsenoside R2 (20(S)-Notoginsenoside R2; Ginsenoside Ng-R2) is an orally active notoginsenoside. Notoginsenoside R2 activates P90RSK and Nrf2 via the MEK1/2-ERK1/2 pathway to inhibit 6-OHDA-induced apoptotic damage in nerve cells. Notoginsenoside R2 upregulates SOX8/β-catenin by reducing miR-27a, thereby suppressing Aβ_25-35-induced neuronal apoptosis and inflammatory responses. Notoginsenoside R2 alleviates lipid accumulation and mitochondrial dysfunction in diabetic nephropathy by inhibiting c-Src. Notoginsenoside R2 alleviates hepatic fibrosis by inducing hepatic stellate cell senescence and inhibiting the inflammatory microenvironment via JAK/STAT3 suppression. Notoginsenoside R2 can be used in research related to Parkinson's disease, Alzheimer's disease, diabetic nephropathy and hepatic fibrosis.

Loliolide (Loliolid) is a β-carotene metabolite. Loliolide reduces caspase 3, 8, 9 expression, enhances PI3K, AKT, SIRT1, inhibits ROS, apoptosis, and blocks NF-κB p65 nuclear translocation. Loliolide protects mitochondria, reduces oxidative stress, and increases cell viability in neuroblastoma cells. Loliolide can be used for the research of UV-induced skin damage and Parkinson’s disease.

Onjisaponin B is an orally active natural product derived from Polygala tenuifolia. Onjisaponin B inhibits NF-κB p65. Onjisaponin B enhances autophagy and accelerates the degradation of mutant α-synuclein and huntingtin. Onjisaponin B reduces β-amyloid (Aβ) production. Onjisaponin B reduces radiation-induced cell apoptosis. Onjisaponin B has anti-oxidant and anti-inflammatory activities. Onjisaponin B can be used for neurological disease and radiation injury study, and its metabolite tenuifolin (TF) can enter the brain through the BBB.

Met-12 is a small peptide inhibitor of the Fas receptor. Met-12 can inhibit Fas receptor-mediated photoreceptor cell apoptosis, reduce Caspase activation. Met-12 can be used in the research of photoreceptor.

Z-AEVD-FMK is a caspase-10 inhibitor. Z-AEVD-FMK can inhibit the activation of Bid and the release of apoptosis-inducing factor (AIF) in mitochondria in cells, resulting in a significant decrease in the number of apoptotic cells.

Chelidonic acid is a component of Chelidonium majus L., used as an antimicrobial. Chelidonic acid also shows anti-inflammatory activity. Chelidonic acid has potential to inhibit IL-6 production by blocking NF-κB and caspase-1. Chelidonic acid is a glutamate decarboxylase inhibitor, with a K_i of 1.2 μM.

14-Deoxyandrographolide is a diterpene with calcium channel blocking activity and acts as a uterine smooth muscle relaxant. 14-Deoxyandrographolide stimulates the release of nitric oxide (NO) in endothelial cells. 14-Deoxyandrographolide gradually desensitizes liver cells to TNF-α mediated apoptosis by inducing the release of TNFRSF1A.

Moroxydine (ABOB) hydrochloride is a broad-spectrum agent with multi-antiviral activities against DNA and RNA viruses, including influenza virus, herpes simplex, varicella zoster, measles, mumps disease, hepatitis C virus, etc. Moroxydine hydrochloride exhibits excellent antiviral activity and shows low cytotoxicity to cells infected by dsRNA viruses (grass carp reovirus, GCRV) and large DNA viruses (giant salamander iridovirus, GSIV). Moroxydine hydrochloride blocks the GCRV-induced cytopathic effects and eliminates nucleocapsids in ctenopharyngodon idella kidney (CIK) cells to keep the normal morphological structure. Moroxydine hydrochloride significantly inhibits the apoptosis, the caspase 3 activity, Bax expression and down-regulates Bcl-2 levels.

ILK-IN-2 (OSU-T315 analog) is an oral PDK2 inhibitor and also an ILK inhibitor, with an IC₅₀ of 0.6 μM. ILK-IN-2 induces cell autophagy and apoptosis, showing anti-tumor activity. ILK-IN-2 directly abolishes AKT activation by preventing AKT from translocating to lipid rafts, triggering Caspase-dependent apoptosis in chronic lymphocytic leukemia (CLL) and extending the lifespan in TCL1 mouse models.

Pralnacasan (VX-740) is a potent, selective, non-peptide and orally active interleukin-1β converting enzyme (ICE, caspase 1) inhibitor with a K_i of 1.4 nM. Pralnacasan inhibits proinflammatory cytokines IL-18, IL-1β , and IFN-γ. Pralnacasan has the potential for osteoarthritis and rheumatoid arthritis treatment.

Phoenixin-20 (PNX-20) is a neuropeptide that activates GPR173. Phoenixin-20 inhibits LPS-induced TLR-4/MyD88/NF-κB signaling, pro-inflammatory cytokines, adhesion molecules, MMPs, and cytotoxicity. Phoenixin-20 increases SIRT1 and inhibits NLRP3/ASC/caspase-1, oxidative stress, and IL-1β/IL-18. Phoenixin-20 alleviates ox-LDL-induced endothelial dysfunction, monocyte adhesion, adhesion molecules, cytokines, NADPH oxidase/NOX-4, and ROS. Phoenixin-20 promotes GPR173/STAT6-mediated anti-inflammatory polarization of microglia and neuroprotection. Phoenixin-20 can be used in research on dental pulp infection, pulmonary arterial hypertension, atherosclerosis, neuroinflammation, anxiety, and neurodegenerative diseases.

N-(p-Coumaroyl) Serotonin is an orally active polyphenol found in safflower seeds with potent anti-inflammatory, antioxidant, and antitumor activities. N-(p-Coumaroyl) Serotonin suppresses NF‑κB, TLR4/MyD88 and MAPK signaling, activates NQO1/HO‑1 pathways, and inhibits pro‑inflammatory cytokines, iNOS and COX‑2 and ROS production. N-(p-Coumaroyl) Serotonin induces S‑phase arrest and apoptosis in glioblastoma cells, reduces atherosclerotic lesions, and alleviates renal and vascular injuries. N-(p-Coumaroyl) Serotonin acts as a vasodilator, regulates calcium dynamics. N-(p-Coumaroyl) Serotonin can be used for the research of neurodegenerative diseases, atherosclerosis, glioblastoma, and acute renal failure.

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.

(Rac)-M826 is the racemate of M826 (HY-155612). M826 is a selective and reversible inhibitor for caspase-3 with an IC₅₀ of 0.005 μM. M826 inhibits apoptosis in cell NT2. M826 can be used for nervous system diseases research.