Caspase 3 Activator

Apoptosis inducer 52 is a derivative of flutamide that induces apoptosis in prostate cancer cells. Apoptosis inducer 52 promotes apoptosis by activating both intrinsic and extrinsic apoptotic pathways, without generating reactive oxygen species (ROS). Apoptosis inducer 52 triggers caspase 3/7 activity and the externalization of phosphatidylserine, leading to cell cycle arrest at the G₀/G₁ phase. Apoptosis inducer 52 can be used for the research of androgen receptor (AR)-dependent and -independent prostate cancers and leukemia.

Dimethyl bisphenolate (Compound DMB) is a natural neolignan derivative with orally active anti-tumor activity. Dimethyl bisphenolate can inhibit cancer cells proliferation, invasion and migration. Dimethyl bisphenolate can activate the p53 signaling pathway, upregulate the expression of p21 protein, inhibit the activity of the CDK1-cyclin B1 complex, and cause cells to stall at the G2/M phase. Dimethyl bisphenolate can induce ROS production, upregulate pro-apoptotic proteins Noxa and Bim, downregulate anti-apoptotic protein Bcl-2, activate caspase-9 and caspase-3, and ultimately induce cell apoptosis. Dimethyl bisphenolate can be used for research of glioblastoma.

Anticancer agent 201 (Compound 2f) has IC₅₀ values in the low micromolar range for multiple tumor cell lines. Anticancer agent 201 is highly cytotoxic to CCRF-CEM cells in vitro, inducing apotosis by activating caspase-3 in the intrinsic mitochondrial pathway and lysis of PARP, as well as reducing the expression of Bcl-2 and Bcl-XL proteins. Anticancer agent 201 can be used in cancer research.

Astin B is a orally active and potent cyclic pentapeptide, that can be isolated from Aster tataricus. Astin B has hepatotoxic effects in vitro and in vivo and that hepatic injury was primarily mediated by apoptosis in a mitochondria/caspase-dependent manner. Astin B induces autophagy in L-02 cells, increases LC3-II and decreases p62 expression.

TKL002 is a blood-brain barrier-permeable inhibitor of the CTH/H₂S/NF-κB/EMT signaling axis. TKL002 induces G₂/M phase cell cycle arrest and apoptosis in glioblastoma cells. TKL002 inhibits the migration and invasion of glioblastoma cells by upregulating E-cadherin and downregulating N-cadherin and vimentin. TKL002 is applicable to relevant research on glioblastoma.

Anticancer agent-364 is a phenylalanine-derived hydrazone heterocyclic compound that exhibits selective cytotoxicity against NSCLC lung cancer cells. Anticancer agent-364 inhibits VEGF-A, VEGFR-1, and VEGFR-2, increases caspase-3/7, caspase-8, and caspase-9 activity, and induces apoptosis. Anticancer agent-364 can be used for research on non-small cell lung cancer.

EGFR-IN-109 (compound 4) is an EGFR inhibitor, with the IC₅₀ values of 25.8 and 182.3 nM for EGFR^WT and EGFR^T790M, respectively. EGFR-IN-109 arrests the cancer cells’ growth at the G2/M phase and induces both early and late apoptosis. EGFR-IN-109 can be used in cancer research.

PDGFRA/CAIX/XII-IN-1 is an inhibitor of PDGFRA, CA IX and CA XII, with an IC₅₀ of 20 nM against PDGFRA, a K_i of 93.3 nM against CA IX, and a K_i of 80.0 nM against CA XII. PDGFRA/CAIX/XII-IN-1 binds to the ATP-binding pocket of PDGFRA and blocks the downstream STAT3, AKT and ERK1/2 signaling pathways. PDGFRA/CAIX/XII-IN-1 induces G0/G1 cell cycle arrest and endogenous apoptosis (Apoptosis), including cleavage of PARP-1, caspase-9 and caspase-3, activation of caspase 3/7, and down-regulation of Mcl-1. PDGFRA/CAIX/XII-IN-1 exhibits antiproliferative activity in eosinophilic leukemia cells. PDGFRA/CAIX/XII-IN-1 can be used for the research of leukemia.

COX-2-IN-55 (compound 1) is an orally active, Celecoxib (HY-14398)-based analog with broad-spectrum anticancer activity and weak COX-2 inhibition. COX-2-IN-55 specifically inhibits SERCA2, increases caspase-3 cleavage and DR5 levels, thereby activating GRP78 and inhibiting the development of triple-negative breast cancer (TNBC). COX-2-IN-55 can also downregulate the levels of angiogenic markers VEGF-α and IL-8, inhibiting the formation of microvessels.

EGFR/BRAFV600E-IN-6 (Compound 7c) is a dual EGFR/BRAF^V600E inhibitor with IC₅₀ values of 0.12 and 0.05 μM. EGFR/BRAFV600E-IN-6 can activate caspase-3/8/9, unregulate Bax expression and downregulate Bcl-2 levels. EGFR/BRAFV600E-IN-6 can induce apoptosis and shows antioxidant activity. EGFR/BRAFV600E-IN-6 can be used for the research of cancer, such as colon cancer.

Antiproliferative agent-83 is an orally active STAT3 inhibitor (K_d = 5.63 μM) with antiproliferative activity against Huh-7 cells (IC₅₀ = 1.30 μM). Antiproliferative agent-83 inhibits dual phosphorylation of STAT3 at tyrosine and serine residues, blocking nuclear translocation and downstream transcriptional activation. Antiproliferative agent-83 induces apoptosis, ROS accumulation, and mitochondrial depolarization. Antiproliferative agent-83 suppresses tumor growth in a hepatocellular carcinoma xenograft mouse model. Antiproliferative agent-83 can be used for research on hepatocellular carcinoma.

BKT300 is a potent and selective protein regulator of cytokinesis 1 (PRC1) inhibitor. BKT300 inhibits PRC1 dephosphorylation at T481, disrupts actin and microtubule formation, induces G2/M cell cycle arrest, triggers mitotic catastrophe, and promotes apoptosis, thereby inhibiting proliferation and migration of acute myeloid leukemia (AML) cells while sparing normal cells. BKT300 inhibits tumor growth in mouse xenograft AML models. BKT300 can be used for the research of AML.

BT-PROTAC is a bioorthogonally activatable BRD4/BRD3 PROTAC degrader prodrug. BT-PROTAC is inactive when present alone, but upon activation by tetrazine compounds, it promotes the degradation of BRD4 and BRD3 via the ubiquitin-proteasome system, inhibits c-Myc expression, activates caspase-3, and induces apoptosis in breast cancer cells. BT-PROTAC can be used for breast cancer research.

CHNQD-01522 is a microtubule inhibitor targeting the colchicine binding site on β-tubulin. CHNQD-01522 binds to the colchicine binding site on β-tubulin, inhibits microtubule polymerization, and evades P-glycoprotein transport in cancer cells. CHNQD-01522 inhibits proliferation, suppresses tumor cell colony formation, arrests cell cycle in G2/M phases, and induces apoptosis in cancer cells. CHNQD-01522 upregulates of Bax and activation of caspase-9 and caspase-3. CHNQD-01522 shows anti-tumor efficacy in subcutaneous and orthotopic hepatocellular carcinoma xenograft tumor models. CHNQD-01522 can be used for the research of hepatocellular carcinoma.

EGFR-IN-201 is a potent EGFR inhibitor, with an IC₅₀ of 0.091 μM against wild-type EGFR; for mutant EGFR variants, the IC₅₀ values of EGFR^T790M, EGFR^L858R and EGFR^C797S are 0.147 μM, 0.221 μM and 0.703 μM, respectively. EGFR-IN-201 inhibits EGFR downstream signaling proteins AKT1 (IC₅₀ = 0.225 μg/mL) and ERK1 (IC₅₀ = 0.705 μg/mL). EGFR-IN-201 induces G0/G1 cell cycle arrest, apoptosis and low-level necrosis in cancer cells. EGFR-IN-201 is applicable to research on cancers such as colon cancer.

HDAC6-IN-63 (Compound 7) is an orally active HDAC6 inhibitor with an IC₅₀ of 145  nM. HDAC6-IN-63 inhibits the expression of Sp1 and RAD51, thereby inducing Caspase-dependent apoptosis. HDAC6-IN-63 has antitumor activity and sensitizes Etoposide (HY-13629) and Gemcitabine (HY-17026), promoting synergistic death of NSCLC cells through the inhibition of homologous recombination and non-homologous end joining (NHEJ) pathways involved in DNA DSB repair. HDAC6-IN-63 can be used for chemotherapy of cancers like NSCLC research.

EGFR-IN-134 (compound 3f), a triazolo[3,4-a]isoquinoline derivative, is a potent EGFR inhibitor with an IC₅₀ of 0.023 µM. EGFR-IN-134 induces apoptosis and necrosis. EGFR-IN-134 initiates cell cycle arrest at the G2/M and pre-G1 phases, downregulates anti-apoptotic protein Bcl2 and upregulates pro-apoptotic proteins: p53, Bax, and caspases 3, 8, and 9. EGFR-IN-134 shows antiproliferative and anticancer activity.

Lycopodine, a pharmacologically important bioactive component derived from Lycopodium clavatumspores, triggers apoptosis by modulating 5-lipoxygenase, and depolarizing mitochondrial membrane potential in refractory prostate cancer cells without modulating p53 activity. Lycopodine inhibits proliferation of HeLa cells through induction of apoptosis via caspase-3 activation.

Berzosertib (VE-822) hydrochloride is an orally active, CNS-penetrant, and selective ATR kinase inhibitor. Berzosertib hydrochloride blocks ATR kinase activity, abrogates G₂/M cell cycle checkpoint, impairs DNA damage repair. Berzosertib hydrochloride induces apoptosis, inhibnits conlony migration, inhibits cell proliferation, and activates cGAS-STING axes in cancer cells. Berzosertib hydrochloride can be used for the research of cancers, such as head and neck squamous cell carcinoma, and colorectal cancer.

GPS167 is a CLK kinase inhibitor that potently and selectively inhibits recombinant human CLK1, CLK2 and CLK4. By inhibiting CLK-mediated phosphorylation of SRSF10, GPS167 upregulates the protein-binding ability of CLK1 and CLK4 with SRSF10, downregulates oncogenic BCLAF1-L and upregulates tumor-suppressive BCLAF1-S, regulates alternative splicing of genes such as MDM2 and MDM4, stabilizes p53 protein and induces DNA damage, ultimately triggering tumor cell apoptosis. GPS167 can block the epithelial-mesenchymal transition process of tumors, activate intracellular double-stranded RNA-mediated antiviral immune responses, and produce synergistic cytotoxicity when combined with microtubule-targeting drugs. GPS167 can be used in research related to various cancers including colorectal cancer.