Bcl-2 Inhibitor

(R)-(-)-Gossypol acetic acid (AT-101 (acetic acid)) is the levorotatory isomer of a natural product Gossypol. AT-101 is determined to bind to Bcl-2, Mcl-1 and Bcl-xL proteins with K_is of 260±30 nM, 170±10 nM, and 480±40 nM, respectively.

BM-1197 (UBX1967) is a potent and selective inhibitor of dual Bcl-2/Bcl-xL, with IC₅₀s of 3.5 nM and 5.2 nM for Bcl-2 and Bcl-xL, respectively. BM-1197 exhibits antitumor effects both in vitro and in vivo.

Ciwujianoside B is an orally active, blood-brain barrier penetrable radioprotective agent and memory enhancer. Ciwujianoside B reduces radiation-induced DNA damage, cell cycle arrest and apoptosis, downregulates NF-κB and the Bax/Bcl-2 ratio, and enhances the proliferative capacity of bone marrow cells. Ciwujianoside B enhances object recognition memory in normal mice and induces dendritic extension in primary cultured cortical neurons. Ciwujianoside B can be used in studies related to hematopoietic system radiation injury and memory enhancement.

MCL-1/BCL-2-IN-2 (Compound Nap-1) is a potent and selective Mcl-1 and Bcl-2 dual inhibitor with IC₅₀s of 4.45 and 3.18 μM, respectively.

Sericin is an orally active globular protein produced by silkworm cocoons. Sericin inhibits the expression of COX2, iNOS, TLR4, MAPK and NF-κB; reduces the levels of IL-18, IL-1 and CCL2; antagonizes the activity of AChE; and downregulates the expression of Bcl-2. Sericin enhances the PI3K/AKT-mediated insulin signaling pathway. Sericin inhibits the activity of tyrosinase (Tyrosinase), scavenges ROS, chelates metal ions, and increases the levels of antioxidant enzymes. Sericin induces apoptosis and arrests the cell cycle. Sericin exhibits antibacterial, moisturizing, cardioprotective and anticoagulant properties. Sericin can be used in research related to type 2 diabetes, hyperlipidemia, obesity, Alzheimer's disease, colon cancer, peripheral nerve injury and ischemic myocardial infarction.

A-385358 is a selective inhibitor of Bcl-X_L with K_is of 0.80 and 67 nM for Bcl-X_L and Bcl-2, respectively.

DIM-3,5-Cl2 is an inverse NR4A1/NR4A2 agonist with K_D values of 7.7 μM and 12.0 μM for NR4A1 and NR4A2, respectively. DIM-3,5-Cl2 acts as an inverse agonist to downregulate pro-oncogenic and proendometriotic gene products, and as an agonist to enhance NR4A1/2/Sp1/Sp4-mediated CD71 transactivation. DIM-3,5-Cl2 induces ferroptosis via ROS formation, lipoperoxidation, MDA production, and reduced GPX4, SLC7A11 expression. DIM-3,5-Cl2 induces apoptosis via PARP and caspase-3 cleavage, reduced BCL-2 expression, and inhibits cancer cell viability. DIM-3,5-Cl2 can be used for the research of triple negative breast cancer, endometriosis, and colorectal cancer.

NKP608 is a non-peptidic derivative of 4-aminopiperidine, a highly selective, orally active, neurokinin-1 (NK₁) receptor antagonist with IC₅₀ of 2.6 nM. NKP608 is active both in vitro and in vivo, showing extremely low affinity for NK₂, NK₃ receptors. NKP608 exerts its effects by blocking the NK₁ receptor, regulate cell proliferation and apoptosis, affect neurotransmitter functions and gastric mucosal repair mechanisms, and suppress the Wnt/β-catenin pathway in antitumor research. NKP608 is applicable to research related to various diseases, including cough, anxiety disorders, depression, gastric mucosal injury, and colorectal cancer.

Damulin B is a dammarane-type saponin found in Gynostemma pentaphyllum. Damulin B can inhibit cancer cell apoptosis, decrease mitochondrial membrane potential, inhibit ROS production and cause G0/G1 phase arrest. Damulin B can prevent Cisplatin (HY-17394)-induced acute kidney injury and induce hair growth. Damulin B shows anti-inflammation anti-diabetic and anti-obesity effect. Damulin B can be used for the researches of cancer, inflammation, metabolic disease, such as lung cancer, osteoarthritis and diabetes.

3-Methylxanthine (Standard) is the analytical standard of 3-Methylxanthine. This product is intended for research and analytical applications. 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.

Alisol A 24-acetate (Alisol A monoacetate) is an orally active derivative of protostane-type tetracyclic triterpenoid. Alisol A 24-acetate upregulates the expression of adiponectin, AMPKα, CPT1, and ACOX1; downregulates the expression of SREBP-1c, ACC, FAS, Bcl-2, Bcl-xl, PPAR-γ, perilipin A, and NFATc1; inhibits the activity of PI3K/Akt/mTOR and HMGR; and activates the PKA and ERK signaling pathways. Alisol A 24-acetate regulates cell apoptosis (apoptosis), autophagy (Autophagy, hepatic lipid accumulation, inflammatory response, neuroprotection, MRSA membrane integrity, and osteoclast differentiation. Alisol A 24-acetate can be used in research related to non-alcoholic fatty liver disease, nephrotoxicity, obesity, global cerebral ischemia-reperfusion injury, bacterial infection, and osteoporosis.

Navitoclax (Standard) (ABT-263 (Standard)) is the analytical standard of Navitoclax (HY-10087). This product is intended for research and analytical applications. Navitoclax (ABT-263 ) is an orally active BH3 mimetic and an inhibitor of Bcl-2, Bcl-xL, and Bcl-w, with a K_i value of <1 nM for each target. Navitoclax triggers endogenous Apoptosis and downregulates the expression of Survivin and TGFβ2. Navitoclax alleviates fibrosis and induces thrombocytopenia. Navitoclax exhibits anticancer activity against a variety of tumors and enhances the efficacy of chemotherapy and radiotherapy. Navitoclax can be used in the research of acute lymphoblastic leukemia, ovarian cancer, and fibrotic diseases.

MM41 is a quadruplex-interacting compound. MM41 binds tightly to quadruplexes encoded in the promoter sequences of the BCL-2 and k-RAS genes. MM41 reduces BCL-2 and k-RAS protein levels, increases caspase 3. MM41 has antitumor effects against pancreatic cancer.

Mcl-1 inhibitor 6 is an orally active, selective myeloid cell leukemia 1 (Mcl-1) protein inhibitor with a K_d of 0.23 nM and a K_i of 0.02 μM. Mcl-1 inhibitor 6 possesses superior selectivity over other Bcl-2 family members (Bcl-2, Bcl2A1, Bcl-xL, and Bcl-w, K_d>10 μM). Mcl-1 inhibitor 6 is a potent antitumor agent.

Isolinderalactone is a sesquiterpene that exhibits anti-cancer, anti-inflammatory, and neuroprotective effects. Isolinderalactone inhibits VEGF expression and tyrosine phosphorylation of VEGFR2. Isolinderalactone decreases viability and induces apoptosis in U-87 glioblastoma (GBM) cells and colorectal cancer (CRC) cells. Isolinderalactone induces G2/M phase cell cycle arrest, ROS generation, pJNK/p38 MAPK activation, in colorectal cancer (CRC) cells. Isolinderalactone blocks LPS (HY-D1056)-induced NF-κB activation while activating Nrf2-HMOX1 signaling in RAW264.7 macrophages. Isolinderalactone improves cognitive dysfunction in APP/PS1 mice. Isolinderalactone can be used for the study of Glioblastoma multiforme (GBM), colorectal cancer, Alzheimer’s disease and acute lung injury.

MLS-0053105, a chloromaleimide, is a selective BFL-1 inhibitor with an IC₅₀ of 0.4 µM for Bfl-1/F-Bid. MLS-0053105 shows over 10 times less potent inhibition of Bcl-W, Bcl-2, and Bcl-XL and no activity against Bcl-B and Mcl-1.

S55746 hydrochloride (BCL201 hydrochloride) is a potent, orally active and selective BCL-2 inhibitor, with a K_i of 1.3 nM and a K_d of 3.9 nM. S55746 hydrochloride (BCL201 hydrochloride) has antitumor activity with low toxicity.

Navitoclax-d₈ is the d₈-labeled Navitoclax (HY-10087). Navitoclax (ABT-263 ) is an orally active BH3 mimetic and an inhibitor of Bcl-2, Bcl-xL, and Bcl-w, with a K_i value of <1 nM for each target. Navitoclax triggers endogenous Apoptosis and downregulates the expression of Survivin and TGFβ2. Navitoclax alleviates fibrosis and induces thrombocytopenia. Navitoclax exhibits anticancer activity against a variety of tumors and enhances the efficacy of chemotherapy and radiotherapy. Navitoclax can be used in the research of acute lymphoblastic leukemia, ovarian cancer, and fibrotic diseases.

Myricetin 3'-glucoside is an orally active glycosylated flavonoid. Myricetin 3'-glucoside inhibits the cerebral ischemia-induced elevation of inflammatory cytokine levels, including TNF-α, IL-6 and IL-1β. Myricetin 3'-glucoside reverses the cerebral ischemia-mediated downregulation of Bcl-2 protein levels and reduces the cerebral ischemia-induced upregulation of Bax protein levels. Myricetin 3'-glucoside reduces cerebral infarct volume, increases the number of Nissl bodies, and improves neurological function scores in a rat model of middle cerebral artery occlusion (MCAO). Myricetin 3'-glucoside can be used in cerebral ischemia-related research.

MNK8 is a potent STAT3 (signal transducer and activator of transcription 3) inhibitor. MNK8 inhibits STAT3 activation and reduced its DNA binding ability. MNK8 shows good growth inhibition against hepatocellular carcinoma (HCC) cells. MNK8 induces apoptosis in HCC cells. MNK8 reduces prosurvival proteins expression and migration/invasion of HCC cells.