Caspase 3 Activator

Oosporein is a microbial metabolite and a red crystalline toxin produced by various fungi. Oosporein can promote the reproduction of fungi in host bodies by inhibiting insect immunity, and possesses multiple activities such as antibacterial, antiviral (HSV), and insecticidal effects. Oosporein can inhibit plant growth. In addition, Oosporein can also induce apoptosis, cell membrane damage, oxidative stress, and mitochondrial damage. Oosporein has certain antitumor activity.

Halcinonide (SQ-18566) is an orally active Smoothened (Smo) agonist. Halcinonide activates the Hedgehog signaling pathway by binding to Smo and promoting its internalization and expression, thereby activating Gli transcription factors. Halcinonide not only stimulates cell proliferation, increases the expression of cyclin D2/CDK6 and inhibits the degradation of caspase-3, but also suppresses Bcl-2/Bax-mediated apoptosis, oxidative stress and inflammatory responses. Halcinonide activates RxRγ to upregulate the expression of myelin genes, thereby reducing cerebral infarction and improving behavioral deficits. Halcinonide has been used in studies related to multiple sclerosis and ischemic stroke.

Licoflavone C is a broad-spectrum antiviral inhibitor with estrogen-like properties. Licoflavone C binds to viral endonuclease (CEN) and inhibits the replication of various bunyaviruses including severe fever with thrombocytopenia syndrome virus (SFTSV) and lymphocytic choriomeningitis virus in a non-substrate competitive manner. The IC₅₀ values of Licoflavone C against SFTSV CEN and SFTSV CEN are 35.5 μM and 135.8 μM, respectively, and its K_d value against SFTSV CEN is 9.53 μM. After viral entry into cells, Licoflavone C reduces viral loads in mouse tissues in a dose-dependent manner, and exhibits extremely low cytotoxicity and genotoxicity. Licoflavone C induces apoptosis by increasing caspase 3/7 activity, blocks the cell cycle, and alleviates chemotherapy-induced chromosomal damage. Licoflavone C is applicable to the research on severe fever with thrombocytopenia syndrome and related viral infection mechanisms.

d-KLA Peptide (D-(KLAKLAK)2), KLA peptide (HY-P5345) isomer, is a pro-apoptosis peptide. d-KLA Peptide can specifically target mitochondria and induce apoptosis by destroying the mitochondrial membrane. d-KLA Peptide increases caspase 3/7 activity, exerts proapoptotic activity and enhances antitumor efficacy in mouse melanoma models.

DpC is a selective, orally active iron chelator with anticancer activity. DpC acts on signaling pathway-related targets such as JNK, NF-κB, and its activity is competitively inhibited by another iron chelator Dp44mT (HY-18973). By chelating intracellular iron and copper ions in tumor cells to form redox-active complexes, DpC induces oxidative stress, activates the JNK, NF-κB pathways and downregulates IκBα, upregulates the expressions of neuroglobin and cytoglobin, activates caspase 3/9 to induce tumor cell apoptosis. It also overcomes P-glycoprotein-mediated multidrug resistance through a lysosome-targeting mechanism, and exhibits broad-spectrum synergistic effects when combined with various chemotherapeutic agents. DpC inhibits tumor metastasis and increases TNF-α levels in the tumor microenvironment to enhance endogenous immune responses. DpC is applicable to the research of various malignancies including neuroblastoma, pancreatic cancer, prostate cancer, lung cancer, and breast cancer.

Nivalenol, a trichothecene mycotoxin that can be produced by Fusarium graminearum, is a fungal metabolite present in agricultural product. Nivalenol modulates apoptotic pathway, cell cycle regulation, Bax, ERK, caspase-3, and poly-ADP-ribose synthase activity in macrophages. Nivalenol inhibits ribosomal peptidyltransferase site, protein synthesis, DNA synthesis, and cell proliferation. Nivalenol induces late-stage apoptotic morphological changes, reduces cellular metabolism, and decreases cell proliferation in erythroleukemia cells. Nivalenol induces lymphocyte apoptosis in murine thymus, spleen, and Peyer's patches. Nivalenol can be used for the research of erythroleukemia.

4-Methylthiazole is an Apoptosis trigger. 4-Methylthiazole markedly reduces CD45 and CD123 surface markers, increases ROS levels, Caspase-3 protein levels. 4-Methylthiazole triggers Apoptosis and mitochondrial disruption. 4-Methylthiazole can be used in the research of acute promyelocytic leukemia.

Perfluorododecanoic acid (PFDoA) is an orally active, blood-brain barrier-permeable perfluorinated compound. Perfluorododecanoic acid increases Caspase 3 activity, disrupts mitochondrial membrane potential, and elevates ROS levels. Perfluorododecanoic acid induces cognitive deficits. Perfluorododecanoic acid exhibits hepatotoxicity.

Difopein TFA is a 14-3-3 protein inhibitor. Difopein TFA acts as an apoptosis inducer, regulates apoptosis-related proteins, downregulates Bcl-2, upregulates Bax, activates caspase-9 and caspase-3, and induces nuclear fragmentation, membrane-enclosed apoptotic bodies and DNA ladder formation. Difopein TFA serves as a tumor growth inhibitor, which inhibits the proliferation of glioma cells and induces their apoptosis in in vivo nude mouse models. Difopein TFA is applicable to glioma-related research.

Ironomycin is a derivative of Salinomycin (HY-15597). Ironomycin exhibits selective inhibitory activity against mantle cell lymphoma (MCL) cells. Ironomycin blocks the cell cycle and induces apoptosis and ferroptosis. Ironomycin induces double-strand DNA breaks and activates the unfolded protein response (UPR), particularly the IRE1α signaling pathway accumulation. The combination of Ironomycin with Ibrutinib (HY-10997) shows a synergistic effect. Ironomycin can be used for the study of MCL.

Coenzyme Q2 is a benzoquinone electron carrier in the mitochondrial electron transport chain and a p53-dependent apoptosis inducer. Coenzyme Q2 induces p53 phosphorylation at Ser15, promoting p53 accumulation and functional activation. Coenzyme Q2 induces ROS generation, caspase-3 activation, DNA fragmentation, phosphatidylserine externalization, mitochondrial permeability transition pore opening, and oxidative phosphorylation uncoupling. Coenzyme Q2 inhibits Complex I, Complex III, and Complex IV activities, disrupting electron transport and membrane potential generation. Coenzyme Q2 induces excessive mitochondrial proton leak in forebrain mitochondria. Coenzyme Q2 causes loss of righting reflex in mice, accompanied by slow-wave delta EEG activity and reversible loss of wakefulness. Coenzyme Q2 inhibits lipid peroxidation and scavenges superoxide radicals. Coenzyme Q2 is used in research on leukemia, myocardial ischemia-reperfusion injury, and mitochondrial encephalomyopathy.

Daphnoretin (Dephnoretin; Thymelol) is a protein kinase C (PKC) activator that inhibits the expression of hepatitis B virus (HBV) surface antigen (HBsAg) and exhibits antiviral activity. Daphnoretin exerts its antitumor effects by inhibiting the activation of the PI3K/AKT signaling pathway and triggers the mitochondrial apoptosis pathway. Daphnoretin alleviates chondrocyte apoptosis and inflammatory responses by inhibiting endoplasmic reticulum stress and activation of the NLRP3 inflammasome. Daphnoretin regulates the differentiation and maturation of dendritic cells, inhibits their immunostimulatory function by downregulating the phosphorylation level of JNK, and thus exerts a protective effect in skin graft rejection.

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.

N-Desmethyl clomipramine hydrochloride (Desmethylclomipramine hydrochloride; Norclomipramine hydrochloride) is the orally active major active metabolite of the tricyclic antidepressant Clomipramine (HY-B0457A), possessing multiple activities including anti-inflammatory, antioxidant, antibacterial, and antiparasitic effects. N-Desmethyl clomipramine hydrochloride blocks autophagosome-lysosome fusion, leading to the accumulation of LC3-II, p62, ATG7, WIPI2, and ATG5-12, reactivates the p53/p21 pathway, induces apoptosis through C-PARP and C-CAS3, and inhibits the proliferation, migration, and invasion of renal cancer cells. N-Desmethyl clomipramine hydrochloride inhibits LdTOPIA, inducing R-loop accumulation in the nucleus of Leishmania, ultimately causing parasite death. N-Desmethyl clomipramine hydrochloride can be used for research on depression, metastatic renal cell carcinoma, and leishmaniasis.

23-Hydroxybetulinic acid (Anemosapogenin) is an orally active triterpenoid with broad-spectrum anticancer activity. 23-Hydroxybetulinic acid reduces the levels of Bcl-2 and survivin, elevates the level of Bax, promotes the cleavage/activation of caspase-3 and caspase-9, and induces apoptosis via the endogenous mitochondrial pathway involving cytochrome C release and mitochondrial membrane potential disruption. 23-Hydroxybetulinic acid arrests the cell cycle at S and G1 phases, inhibits cancer cell proliferation, blocks the MAPK signaling pathway, regulates MMP2, and induces autophagic apoptosis by upregulating beclin-1. 23-Hydroxybetulinic acid inhibits the activity and efflux function of P-gp, increases the intracellular accumulation of chemotherapeutic drugs, and synergistically enhances cytotoxicity with Doxorubicin (HY-15142). 23-Hydroxybetulinic acid inhibits the phosphorylation and nuclear translocation of STAT6, blocks M2 macrophage polarization, and reduces M2 macrophage-mediated apoptosis resistance of colon cancer cells. 23-Hydroxybetulinic acid can be used in related studies on chronic myeloid leukemia, hepatocellular carcinoma, sarcoma 180, multidrug-resistant breast cancer, leukemia, Doxorubicin-induced cardiotoxicity, and colorectal cancer.

Ginsenoside Rh4 is a rare saponin obtained from Panax notoginseng. Ginsenoside Rh4 activates Bax, caspase 3, caspase 8, and caspase 9. Ginsenoside Rh4 also induces autophagy.

ME-344 is an Isoflavone. ME-344 increases mitochondrial ROS generation. ME-344 inhibits tubulin polymerization. ME-344 inhibits HO-1 and impacts its mitochondrial translocation. ME-344 induces Apoptosis through Caspase 3 activation. ME-344 synergizes with Vinblastine in leukemia cells. ME-344 displays anti-tumor activity against leukemia and lung tumor. ME-344 can be used in the research of lung cancer, acute myeloid leukemia, and HER2-negative breast cancer.

3-Methylxanthine is a blood-brain barrier-permeable cyclic GMP phosphodiesterase inhibitor, with an IC₅₀ of 920 μM against guinea pig cyclic GMP phosphodiesterase. 3-Methylxanthine relaxes the spontaneous tension of isolated guinea pig tracheal smooth muscle preparations. Through a DRD1-dependent pathway, 3-Methylxanthine upregulates the expression of γH2AX and activated caspase-3, downregulates the expression of Bcl-2, and enhances Cisplatin-induced apoptosis (apoptosis) in ovarian cancer cells both in vitro and in vivo. 3-Methylxanthine induces clonic convulsions in the central nervous system. 3-Methylxanthine is the major metabolite of Theophylline (HY-B0809). 3-Methylxanthine can be used in studies related to ovarian cancer and neurotoxic convulsions.

PZ671 is a Bcl-xL PROTAC degrader that recruits cereblon, with a DC₅₀ of 0.9 nM in MOLT-4 T-ALL cells. PZ671 induces apoptosis via activation of caspase-3 and cleavage of PARP, and exhibits antitumor activity in T-cell acute lymphoblastic leukemia and small cell lung cancer models. PZ671 can be used for the research of T-cell acute lymphoblastic leukemia and small cell lung cancer.

JP-11646 is a pan-PIM inhibitor with increased potency against PIM2 (IC₅₀ = 0.5 nM). JP11646 is freely reversible and ATP non-competitive. JP-11646 results in a decrease of PIM1, 2, and 3 mRNA. JP-11646 can effectively inhibit cell viability in small cell lung cancer (SCLC) and large cell neuroendocrine carcinomas of the lung (LCNEC). JP-11646 can cause a decrease in p-4EBP-1 protein, increasing the cleavage of caspases while decreasing caspase-3. JP-11646 induces apoptosis or necroptosis in cells. JP-11646 leads to reductions in MYC paralogs. JP-11646 can be used for the study of SCLC, LCNEC, human acute leukemia (AML), multiple myeloma (MM), and triple-negative breast cancer (TNBC).