Caspase Inhibitor

Z-VAD-FMK is a pan-caspase inhibitor and also an ICE-like protease inhibitor, which inhibits apoptosis by preventing the processing of CPP32 to its active form. Z-VAD-FMK sensitivity varies primarily due to differential expression of receptor-interacting protein 1 (RIP1). Z-VAD-FMK limits the cryopreservation-induced apoptosis by reducing caspase-3 activity of in vitro produced bovine embryos. Z-VAD-FMK is immunosuppressive in vitro and inhibits T cell proliferation without blocking the processing of caspase-8 and caspase-3. Z-VAD-FMK leads to a decrease in intracellular glutathione (GSH) with a concomitant increase in reactive oxygen species (ROS) levels in activated T cells. Z-VAD-FMK is due to oxidative stress via the depletion of GSH. Z-VAD-FMK can be used for the study of acute pancreatitis.

Z-VAD(OMe)-FMK (Z-Val-Ala-Asp(OMe)-FMK) is a cell-permeable and irreversible pan-caspase inhibitor. Z-VAD(OMe)-FMK is an ubiquitin carboxy-terminal hydrolase L1 (UCHL1) inhibitor. Z-VAD(OMe)-FMK irreversibly modifies UCHL1 by targeting the active site of UCHL1.

Emricasan (PF 03491390) is an orally active and irreversible pan-caspase inhibitor. Emricasan inhibits Zika virus (ZIKV)-induced increases in caspase-3 activity and protected human cortical neural progenitors.

Berberine sulfate is an alkaloid isolated from the Chinese herbal medicine Huanglian, as an antibiotic. Berberine sulfate induces reactive oxygen species (ROS) generation and inhibits DNA topoisomerase. Berberine sulfate has antineoplastic properties. The sulfate form improves bioavailability.

Crustecdysone (20-Hydroxyecdysone) is a naturally occurring ecdysteroid hormone isolated from Serratula coronata which controls the ecdysis (moulting) and metamorphosis of arthropods, it inhibits caspase activity and induces autophagy via the 20E nuclear receptor complex, EcR-USP. Crustecdysone exhibits regulatory or protective roles in the cardiovascular system. Crustecdysone is an active metabolite of Ecdysone (HY-N0179).

Madecassoside is a pentacyclic triterpene isolated from Centella asiatica and has anti-inflammatory properties. Antioxidant and anti-aging effects. Madecassoside is a pentacyclic triterpene isolated from Centella asiatica. Madecassoside is orally active and has inhibitory properties against inflammation, oxidation, apoptosis and autophagy. Madecassosid inhibits activities of p38 MAPK and NF-kB, exhibits an anti-apopototic property, activates Nrf2 expression to reduce the neurotoxicity. Madecassoside can be used in endocrine diseases, cardiovascular diseases, skin diseases and other diseases.

Kp7-6 is a Fas mimetic peptide and also a Fas/FasL antagonist. Kp7-6 specifically binds to Fas and FasL, disrupts receptor complexes, and blocks downstream apoptosis signaling pathways. Kp7-6 inhibits the phosphorylation of ERK1-2, induces the phosphorylation of IκBα, and activates NF-κB. Kp7-6 inhibits the activation of caspase-8, caspase-3 and JNK, and suppresses human amylin-induced β-cell apoptosis. Kp7-6 inhibits FasL-induced lymphoid cytotoxicity and apoptosis. Kp7-6 reduces local tumor FasL expression, increases CD8⁺Fas⁺ T cell infiltration, and decreases tumor volume in pancreatic neuroendocrine tumor models. Kp7-6 prevents concanavalin A-induced liver injury in mice. Kp7-6 is applicable to research related to type 2 diabetes, concanavalin A-induced hepatitis and pancreatic neuroendocrine tumors.

Z-YVAD-FMK is a cell-permeable caspase-1 and -4 inhibitor with anti-inflammatory and anti-tumor activities.

Berberine hemisulfate is the hemisulfate form of Berberine (HY-N0716). Berberine hemisulfate is an alkaloid isolated from the Chinese herbal medicine Huanglian. Berberine hemisulfate exhibits anti-inflammatory, antibiobic, antitumor, cardiovascular protective and neuroprotective activity.

Azoramide is a potent, orally active small-molecule modulator of the unfolded protein response (UPR). Azoramide improves ER protein folding and elevates ER chaperone capacity, which together protects cells against ER stress. Azoramide alleviates PLA2G6 mutant-induced ER stress through modulating unfolded protein response, and enhances the CERB signaling to rescue mitochondrial function, thereby preventing apoptosis of DA neurons. Azoramide has antidiabetic activity.

L-Selenocystine is a selenium-containing amino acid. L-Selenocystine has redox properties. L-Selenocystine is cytotoxic to various tumor cells and can induce the production of ROS and apoptosis. L-Selenocystine can block the Nrf2 and autophagy pathways. L-Selenocystine has anti-tumor activity.

Boc-D-FMK is a cell-permeable, irreversible and broad spectrum caspase inhibitor. Boc-D-FMK inhibits apoptosis stimulated by TNF-α with an IC₅₀ of 39 μM.

Ac-IEPD-CHO is a reversible granzyme B inhibitor with a K_i of 80 nM. Ac-IEPD-CHO is also a caspase-8 inhibitor.

(+)-Magnoflorine (α-Magnoflorine) chloride is an orally active aporphine alkaloid with multiple biological activities. (+)-Magnoflorine chloride promotes Parkin/PINK1-mediated mitochondrial autophagy, inhibits the activation of NLRP3/Caspase-1 pathway, regulates the intestinal microbiota, and exhibits significant anti-inflammatory and immunomodulatory activities. (+)-Magnoflorine chloride inhibits JNK and TLR4/NF-κB signaling pathways, activates Sirt1/AMPK pathway, alleviates neuronal oxidative stress and apoptosis. Magnoflorine chloride upregulates miR-410-3p, inhibits HMGB1/NF-κB pathway, and has anti-tumor activity. (+)-Magnoflorine chloride also has significant antifungal activity.

S1QEL1.1 is a small molecule inhibitor that specifically inhibits the generation of superoxide and hydrogen peroxide at the IQ site during reverse electron transfer in mitochondrial respiratory chain complex I (Complex I), with an IC₅₀ of 0.07 μM. S1QEL1.1 can significantly reduce the activation of cysteine-aspartic protease (caspase) triggered by endoplasmic reticulum stress. S1QEL1.1 helps to decrease excessive proliferation of stem cells by inhibiting the Reactive Oxygen Species signaling pathway initiated by endoplasmic reticulum stress.

Z-VEID-FMK (Z-VE(OMe)ID(OMe)-FMK) is a selective and irreversible caspase-6 peptide inhibitor. Z-VEID-FMK alleviates the drug-induced augmentation of caspase-6 activity, DNA fragmentation, and cell apoptosis.

Ginkgo biloba extract is a natural product that can be isolated from Ginkgo biloba leaves. Ginkgo biloba extract alleviates oxidative stress-induced neuronal apoptosis (Apoptosis) by stabilizing mitochondrial function, regulating Bcl-2 family proteins and inhibiting caspase activation. Ginkgo biloba extract alleviates testicular injury by upregulating SKP2 and inhibiting Beclin1-independent autophagy (Autophagy). Ginkgo biloba extract alleviates various types of neuronal damage in animal models. Ginkgo biloba extract reduces behavioral sensitization in rats. Ginkgo biloba extract counteracts Aβ-induced neurotoxicity by blocking a series of Aβ-triggered events, including glucose uptake, ROS accumulation, AKT activation, mitochondrial dysfunction, JNK and ERK 1/2 pathways, and apoptosis, and also interferes with the formation of Aβ oligomers. Ginkgo biloba extract is applicable to research related to cerebral hypoperfusion, testicular injury, Alzheimer's disease, Parkinson's disease, multi-infarct dementia, stroke, traumatic brain injury and amyotrophic lateral sclerosis.

10-Hydroxydecanoic acid (10-HDAA) is a saturated fatty acid derived from 10-hydroxy-trans-2-decenoic acid, which can be isolated from royal jelly. 10-Hydroxydecanoic acid exhibits various biological activities, including anti-inflammatory, insecticidal, anti-malarial, and anti-Leishmania properties, as well as enhancing antigen-specific immune responses. The anti-inflammatory effects of 10-Hydroxydecanoic acid are primarily mediated by inhibiting the activation of NF-κB and the translation of interferon regulatory factor 1 (IRF-1), which reduces the production of interleukin 6 (IL-6) and nitric oxide (NO) in inflammatory cells. Additionally, 10-Hydroxydecanoic acid alleviates neuroinflammatory responses through the p53-autophagy pathway and the p53-NLRP3 pathway. Finally, 10-Hydroxydecanoic acid enhances antigen-specific immune responses by promoting the effective uptake of antigens by microfold cells.

(+)-Magnoflorine (α-Magnoflorine) iodide is an orally active aporphine alkaloid with multiple biological activities. (+)-Magnoflorine iodide promotes Parkin/PINK1 -mediated mitochondrial autophagy, inhibits the activation of NLRP3/Caspase-1 pathway, regulates the intestinal microbiota, and exhibits significant anti-inflammatory and immunomodulatory activities. (+)-Magnoflorine iodide inhibits JNK and TLR4/NF-κB signaling pathways, activates Sirt1/AMPK pathway, alleviates neuronal oxidative stress and apoptosis. Magnoflorine upregulates miR-410-3p, inhibits HMGB1/NF-κB pathway, and has anti-tumor activity. (+)-Magnoflorine iodide also has significant antifungal activity.

Acetyl-L-carnitine-d₃-1 (O-Acetyl-L-carnitine-d₃-1) hydrochloride is the deuterium labeled Acetyl-L-carnitine hydrochloride (HY-B0762). Acetyl-L-carnitine (O-Acetyl-L-carnitine; ALCAR) hydrochloride is an orally active mitochondrial energy metabolism regulator and neuroprotectant that can penetrate the blood-brain barrier. Acetyl-L-carnitine hydrochloride selectively enters cells and the brain through the organic cation transporter OCTN2. Acetyl-L-carnitine hydrochloride can participate in fatty acid β-oxidation, promote acetylcholine synthesis, regulate mitochondrial function and inhibit oxidative stress as an acetyl donor. Acetyl-L-carnitine hydrochloride exerts its activity by enhancing energy metabolism, protecting neurons and improving synaptic plasticity. Acetyl-L-carnitine hydrochloride is mainly used in the study of neurodegenerative diseases and metabolic disorder-related diseases such as neonatal hypoxic-ischemic brain damage, Alzheimer's disease, and depression.