Caspase Activator

Guggulsterone is a plant sterol derived from the gum resin of the tree Commiphora wightii. Guggulsterone inhibits the growth of a wide variety of tumor cells and induces apoptosis through down regulation of antiapoptotic gene products (IAP1, xIAP, Bfl-1/A1, Bcl-2, cFLIP and survivin), modulation of cell cycle proteins (cyclin D1 and c-Myc), activation of caspases and JNK, inhibition of Akt. Guggulsterone, a farnesoid X receptor (FXR) antagonist, with IC₅₀s of 24.06 μM and 39.05 μM for (-)-(E)-Guggulsterone (HY-N7781) and (Z)-Guggulsterone (HY-110066), respectively.

Zenidolol (ICI-118551) is a selective β2-adrenergic receptor antagonist with K_i values of Zenidolol for β2, β1 and β3 adrenergic receptors of 0.7, 49.5 and 611 nM, respectively. Zenidolol exerts antitumor effects via inducing apoptosis, inhibiting tumor sphere formation, and downregulating the HIF pathway by blocking β2-AR on tumor cells. Zenidolol exhibits a unique pulmonary vessel-specific vasodilatory effect in mouse models. Zenidolol can be used as an intraocular pressure-lowering agent in ophthalmic disease research.

N-3-oxo-dodecanoyl-L-Homoserine lactone (3-oxo-C12-HSL) is a bacterial quorum-sensing signaling molecule produced by P. aeruginosa and strains of the B. cepacia complex.Quorum sensing is a regulatory system used by bacteria for controlling gene expression in response to increasing cell density.N-3-oxo-dodecanoyl-L-Homoserine lactone induces the production of IL-8 in 16HBE human bronchial epithelial cells.

ZIF-8 (2-Methylimidazole zinc salt) is a caspase-1/Gasdermin D activator and a pH- and stimulus-responsive inducer of drug release, which serves as a highly efficient drug delivery carrier. ZIF-8 is a metal-organic framework (MOF). ZIF-8 activates the caspase-1/Gasdermin D-dependent pyroptosis pathway, induces pyroptosis, necrosis and immunogenic cell death, initiates in situ anti-tumor immunity, reprograms the immunosuppressive tumor microenvironment and inhibits tumor proliferation. ZIF-8 is applicable to related research on multiple cancers including colorectal cancer and breast cancer.

PRT062607 (P505-15; PRT-2607) is an orally active ATP-competitive Syk inhibitor with an IC₅₀ value of 1 nM, and exhibits at least 80-fold selectivity over other kinases. PRT062607 blocks B cell antigen receptor-mediated activation, Fcε receptor 1-mediated basophil degranulation and microglial phagocytosis, and induces caspase-dependent apoptosis and microglial death. PRT062607 inhibits tumor growth and peripheral nerve injury-induced mechanical allodynia, and prevents neuronal loss. PRT062607 can be used in research related to rheumatoid arthritis, chronic lymphocytic leukemia, non-Hodgkin's lymphoma, neurodegenerative diseases and neuropathic pain.

Levonorgestrel is an orally active inhibitor of progesterone (HY-N0437). Levonorgestrel has anticancer activity and can induce Apoptosis. Levonorgestrel can be used as a contraceptive and in combination with other medications. Levonorgestrel can be used in the study of osteoporosis and uterine leiomyoma.

OT-82 is a potent, selective and orally active inhibitor of NAMPT. OT-82 is selectively toxic to cells of hematopoietic origin and?induces cell death in a NAD⁺ dependent manner. OT-82 is a promising antineoplastic agent for the study of hematological malignancies.

Benzethonium chloride inhibits nicotinic acetylcholine receptors in human recombinant α7 and α4β2 neurons in Xenopus laevis oocytes, which has antibacterial, anticancer, antisepsis and disinfection activity. Benzethonium chloride induced Apoptosis and activated caspases in cancer cell lines. Benzethonium chloride ablates the tumor-forming ability of FaDu cells, delays the growth of xenograft tumors in vivo.

Ascorbyl palmitate is an orally active ester formed from ascorbic acid and palmitic acid, used as an antioxidant and food additive. Ascorbyl palmitate in preventing fat and oil oxidation is more efficient than Butylated hydroxyanisole (HY-B1066) and Butylated hydroxytoluene (HY-Y0172). Ascorbyl palmitate mitigates inhibition of collagen synthesis by select calcium and sodium channel blockers. Ascorbyl palmitate induces Apoptosis in human umbilical vein endothelial cells (HUVECs). Ascorbyl palmitate ameliorates inflammatory diseases by inhibition of NLRP3 inflammasome.

Mouse Serum Albumin is most abundant protein in plasma, which leaks into the brain parenchyma when the blood-brain barrier (BBB) is impaired. Mouse Serum Albumin induces astrocytes to A1 phenotype to remarkably increase levels of Elovl1. Mouse Serum Albumin promotes VLSFAs secretion and causes neuronal lippoapoptosis through endoplasmic reticulum stress response pathway. MSA-activated microglia triggeres remarkable tau phosphorylation at multiple sites (Ser202/Thr205) through NLRP3 inflammasome pathway. Mouse Serum Albumin decreases the spatial learning and memory abilities in mice. Mouse Serum Albumin can be used for the study of neurodegenerative diseases like Alzheimer’s disease (AD) and frontotemporal dementia (FTD).

EF24, a curcumin analogue, is an NF-kB inhibitor with great anti-tumor efficacy and oral bioavailability via deactivation of the MAPK/ERK signaling pathway in oral squamous cell carcinoma (OSCC). EF24 is active against melanoma and breast cancer cell lines with GI₅₀ values of 0.7 μM and 0.8 μM, respectively. EF24 induces cell cycle arrest and apoptosis in MDA-MB-231 human breast cancer cells and DU-145 human prostate cancer cells. EF24 increases the levels of activated caspase 3 and 9, and decreases the phosphorylated forms of MEK1 and ERK.

Zinc phthalocyanine (ZnPc) is commonly applied in industry (catalysts, photoconductors) and biomedical (photodynamic therapy, PDT). Zinc phthalocyanine can be used to photooxidise cyclohexane and is promising for research of solar-cell applications.

β-Eudesmol has anticancer and anti-inflammatory activities. Beta-Eudesmol can induce apoptosis. β-Eudesmol is a neostigmine antagonist. β-Eudesmol can antagonize neostigmine-induced neuromuscular failure. β-Eudesmoll can be used in the study of sepsis diseases. β-Eudesmol is a sesquiterpene-like compound that can be extracted from the rhizome of Atractylodes lancea.

Chromomycin A3 is an inhibitor that selectively binds to GC-rich DNA sequences. Chromomycin A3 targets the DNA minor groove after forming a dimer with Mg²⁺. Chromomycin A3 inhibits DNA replication and transcription, blocks the binding of Sp1 transcription factor to target gene promoters, downregulates the expression of anti-apoptotic proteins such as FLIP, Mcl-1, and XIAP, and induces S-phase cycle arrest and caspase-dependent apoptosis in tumor cells. Chromomycin A3 can antagonize oxidative stress induced by glutathione depletion and neuronal apoptosis induced by Camptothecin (HY-15660). Chromomycin A3 can be used in basic research on malignant tumors such as cholangiocarcinoma, and is a potential chemosensitizer and GC-rich region probe.

δ-Tocotrienol is a Vitamin E in vegetables, fruits, seeds, nuts, grains and oils. Vitamin E has become well known for its role as an antioxidant, in lowering cholesterol and other lipids, as a neuroprotective and anticancer agent, and in cardiovascular disease protection.

Xanthoangelol, extracted from Angelica keiskei, suppresses obesity-induced inflammatory responses. Xanthoangelol possesses antibacterial activity. Xanthoangelol inhibits monoamine oxidases. Xanthoangelol induces apoptosis in neuroblastoma and leukemia cells.

Prosapogenin A, a natural product from Veratrum, induces apoptosis in human cancer cells in vitro via inhibition of the STAT3 signaling pathway and glycolysis.

Cinchonine is a natural compound present in Cinchona bark with antimalarial, antitumor, anti-inflammatory, anti platelet-aggregation and anti-obesity properties. Cinchonine inhibits cells proliferation and autophagy and induces apoptosis through activation of Caspase-3. Cinchonine activates endoplasmic reticulum stress-induced apoptosis in human liver cancer cells.

Glycocholic acid-d₄ is the deuterium labeled Glycocholic acid (HY-N1423). Glycocholic acid is a bile acid derivative. Glycocholic acid downregulates MDR1, Bcl-2, MRP1, MRP2 and FXR, upregulates Bax, p53, caspase-9, caspase-3, TGR5 and S1PR2. Glycocholic acid inhibits multidrug resistance and efflux pumps, induces mitochondrial apoptosis, and enhances chemosensitivity. Glycocholic acid modulates related bile acid receptor signaling. Glycocholic acid suppresses growth and conjugation of Enterobacteriaceae and increases their antibiotic susceptibility. Glycocholic acid can be used for the research of colon adenocarcinoma and cholangiocarcinoma (CCA).

Ginsenoside F2 is an orally active bioactive compound that participates in the regulation of metabolism and inflammation. Ginsenoside F2 promotes the phosphorylation of AMPK and ACC, binds to PPARγ, inhibits the phosphorylation of MAPK, activates the PI3K/AKT/GSK-3β pathway, reduces GLRX expression, and regulates lipid metabolism. Ginsenoside F2 reduces ROS production and MDA levels, restores SOD activity in cells, and alleviates oxidative stress. Ginsenoside F2 induces cell apoptosis (Apoptosis) and increases the number of cleaved caspase-3-positive cells. Ginsenoside F2 reduces body weight gain, adipose tissue weight and serum lipid levels in obese mice, and activates the hepatic AMPK signaling pathway and the expression of antioxidant enzymes. Ginsenoside F2 alleviates atopic dermatitis in mice by inhibiting inflammation and reshaping the gut microbiota. Ginsenoside F2 is applicable to research related to insulin resistance, obesity, atopic dermatitis, liver cancer, glioblastoma and glioma.