Bcl-2 Family Inhibitor

Venetoclax (ABT-199; GDC-0199) is a highly potent, selective and orally bioavailable Bcl-2 inhibitor with a K_i of less than 0.01 nM. Venetoclax induces autophagy.

Sorafenib (Bay 43-9006) is a potent oral active multikinase inhibitor. Sorafenib blocks autophosphorylation and activity of receptor tyrosine kinases (VEGFR-2, VEGFR-3) and RAF family kinases, thereby suppressing the RAF/MEK/ERK and PI3K/Akt pathways, inhibiting STAT3 phosphorylation, and selectively inhibiting the MAPK pathway in cancer cells. Sorafenib induces cell cycle arrest, autophagy, apoptosis, and PARP cleavage, reduces Bcl-2, Bcl-XL, cyclin D1 levels, and activates Bak and Bax. Sorafenib inhibits tumor growth and metastasis in mouse and rat models. Sorafenib can be used for cancer research, such as colon, breast, non-small-cell lung cancer (NSCLC), ovarian, pancreatic, melanoma, colorectal and hepatocellular carcinoma.

MK-2206 dihydrochloride (MK-2206 2HCl) is an orally active pan-AKT inhibitor, with IC₅₀ values of 8 nM, 12 nM and 65 nM against AKT1, AKT2 and AKT3, respectively. MK-2206 dihydrochloride inhibits the Akt/mTOR signaling pathway and reduces the levels of downstream GSK3β and Mcl-1 via proteasomal degradation. MK-2206 dihydrochloride induces G1-phase cell cycle arrest, apoptosis, epithelial-mesenchymal transition, fibroblast activation and extracellular matrix deposition. MK-2206 dihydrochloride causes transient hyperglycemia and hyperinsulinemia in animals. MK-2206 dihydrochloride can be used in research related to solid tumors, renal fibrosis and hypercholesterolemia.

Navitoclax (ABT-263) is a potent and orally active Bcl-2 family protein inhibitor that binds to multiple anti-apoptotic Bcl-2 family proteins, such as Bcl-x_L, Bcl-2 and Bcl-w, with a K_i of less than 1 nM.

Sulforaphane is an orally active inducer of the Keap1/Nrf2/ARE pathway. Sulforaphane promotes the transcription of tumor-suppressing proteins and effectively inhibits the activity of HDACs. Through the activation of the Keap1/Nrf2/ARE pathway and further induction of HO-1 expression, Sulforaphane protects the heart. Sulforaphane suppresses high glucose-induced pancreatic cancer through AMPK-dependent signal transmission. Sulforaphane exhibits both anticancer and anti-inflammatory properties.

S63845 is a potent and selective myeloid cell leukemia 1 (MCL1) inhibitor with a K_d of 0.19 nM for human MCL1.

ABT-737, a BH3 mimetic, is a potent Bcl-2, Bcl-x_L and Bcl-w inhibitor with EC₅₀s of 30.3 nM, 78.7 nM, and 197.8 nM, respectively. ABT-737 induces the disruption of the BCL-2/BAX complex and BAK-dependent but BIM-independent activation of the intrinsic apoptotic pathway. ABT-737 induces autophagy and has the potential for acute myeloid leukemia (AML) research.

A-1331852 is an orally available BCL-XL selective inhibitor with a K_i of less than 10 pM.

ARV-825 is a BET protein PROTAC degrader that recruits cereblon, and it targets BRD2, BRD3, and BRD4 for degradation via the ubiquitin-proteasome pathway. ARV-825 downregulates c-MYC, PLK1, MYCN, CDK4/6, JAK2, pSTAT3/5, PIM1, and Bcl-xL, upregulates p21 and p27, and modulates H3K27Ac-mediated transcription, the G2/M checkpoint, the Wnt/β-catenin pathway, and amino acid transport pathways. ARV-825 induces G1 phase cell cycle arrest, caspase 3/PARP-mediated apoptosis, DNA damage, and reactive oxygen species (ROS) production, reduces mitochondrial respiration, and simultaneously inhibits cell proliferation, clonogenic growth, and cell migration. ARV-825 is used in research on gastric cancer, leukemia, neuroblastoma, and cholangiocarcinoma.

Indole-3-pyruvic acid is an orally active ketone analog of tryptophan, and is an aryl hydrocarbon receptor (AHR) agonist. Indole-3-pyruvic acid inhibits p38/MAPK phosphorylation, regulates the tryptophan metabolic pathway, and also possesses protective activities against skin photodamage, as well as anti-inflammatory and anti-anxiety bioactivities in the gut. Indole-3-pyruvic acid can downregulate the expression of IL-1β, IL-6, Cox-2, and Bax to alleviate UVB-induced keratinocyte toxicity. Indole-3-pyruvic acid can activate AHR to promote Tr1 cell differentiation, increase IL-10, and inhibit Th1 cytokine production. Indole-3-pyruvic acid can alter the levels of kynurenine metabolites in the brain, mediating central nervous system-related effects. Indole-3-pyruvic acid can be used in research on skin lesions, colitis, and anxiety.

BT2 is a BCKDC kinase (BDK) inhibitor with an IC₅₀ of 3.19 μM. BT2 binding to BDK triggers helix movements in the N-terminal domain, resulting in the dissociation of BDK from the branched-chain α-ketoacid dehydrogenase complex (BCKDC). BT2 (compound 4) is also a potent and selective Mcl-1 inhibitor with a K_i value of 59 μM.

Lonafarnib (Sch66336) is an orally active, blood-brain barrier penetrant farnesyltransferase (FPTase) inhibitor. Lonafarnib increases the phosphorylation levels of Akt, CaMKII and CREB, upregulates BDNF expression in the hippocampus, elevates the content of α7nAChR on cell membranes, and blocks the isoprenylation of H-Ras. Lonafarnib repairs synapses and reverses spatial memory deficits in Aβ1-42 model mice. Lonafarnib inhibits RSV fusion and replication, and alleviates virus-induced lung injury. Lonafarnib activates the lysosomal and autophagic pathways, and reduces the phosphorylation and aggregation of tau. Lonafarnib acts synergistically with Sorafenib (HY-10201) to promote apoptosis, and inhibits the proliferation and invasion of melanoma cells. Lonafarnib inhibits the farnesylation of progerin, repairs nuclear membrane defects, and activates the cGAS-STING-STAT1 signaling pathway. Lonafarnib can be used in research related to diseases including Alzheimer's disease, viral infections, melanoma, and progeria.

BAI1 is a selective and allosteric inhibitor of BAX, an apoptosis regulator. BAI1 directly binds to BAX and allosterically inhibits BAX activation. BAI1 has the potential for the research of diseases mediated by BAX-dependent cell death.

AZD-5991 is a potent and selective Mcl-1 inhibitor with an IC₅₀ of 0.7 nM in FRET assay and a K_d of 0.17 nM in surface plasmon resonance (SPR) assay.

Sorafenib (Bay 43-9006) tosylate is a potent oral active multikinase inhibitor. Sorafenib blocks autophosphorylation and activity of receptor tyrosine kinases (VEGFR-2, VEGFR-3) and RAF family kinases, thereby suppressing the RAF/MEK/ERK and PI3K/Akt pathways, inhibiting STAT3 phosphorylation, and selectively inhibiting the MAPK pathway in cancer cells. Sorafenib tosylate induces cell cycle arrest, autophagy, apoptosis, and PARP cleavage, reduces Bcl-2, Bcl-XL, cyclin D1 levels, and activates Bak and Bax. Sorafenib tosylate inhibits tumor growth and metastasis in mouse and rat models. Sorafenib tosylate can be used for cancer research, such as colon, breast, non-small-cell lung cancer (NSCLC), ovarian, pancreatic, melanoma, colorectal and hepatocellular carcinoma.

MRT68921 is a potent NUAK1/ULK1 dual inhibitor. MRT68921 inhibits ULK1 and ULK2 with IC₅₀ values of 2.9 nM and 1.1 nM, respectively. MRT68921 can block cells autophagy and kill tumor cells by breaking the balance of oxidative stress signals. MRT68921 can inhibit cell proliferation and induce ROS production and apoptosis. MRT68921 can be used for the research of cancer, such as breast cancer.

A-1155463, a chemical probe, is a highly potent and selective BCL-XL inhibitor with an EC₅₀ of 70 nM in Molt-4 cell. A-1155463 is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

MK-2206 is an orally active pan-AKT inhibitor, with IC₅₀ values of 8 nM, 12 nM and 65 nM against AKT1, AKT2 and AKT3, respectively. MK-2206 inhibits the Akt/mTOR signaling pathway and reduces the levels of downstream GSK3β and Mcl-1 via proteasomal degradation. MK-2206 induces G1-phase cell cycle arrest, apoptosis, epithelial-mesenchymal transition, fibroblast activation and extracellular matrix deposition. MK-2206 causes transient hyperglycemia and hyperinsulinemia in animals. MK-2206 can be used in research related to solid tumors, renal fibrosis and hypercholesterolemia.

Sonrotoclax is a potent, orally active Bcl2 inhibitor. Sonrotoclax has effective cell killing effect against a variety of lymphoma and leukemia cell lines.

MIK665 (S-64315), derived from S63845, is a myeloid cell leukemia sequence 1 (MCL1) inhibitor. MIK665 has an IC₅₀ of 1.81 nM for MCL1.