2. Signaling Pathways
  3. Apoptosis
  4. Bcl-2 Family

Bcl-2 Family

Bcl-2 Family

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Bcl-2 is a family of evolutionarily related proteins. These proteins govern mitochondrial outer membrane permeabilization (MOMP) and can be either pro-apoptotic (Bax, Bad, Bak and Bok among others) or anti-apoptotic (including Bcl-2 proper, Bcl-xL, and Bcl-w, among an assortment of others). There are a total of 25 genes in the Bcl-2 family known to date. Human genes encoding proteins that belong to this family include: Bak1, Bax, Bal-2, Bok, Mcl-1.

Bcl-2 Family Isoform Specific Products:

Bcl-2 Family Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-174873
    AF151
    		Inhibitor
    AF151 is a METTL3 PROTAC degrader with the DC50 of 0.43 μM in MOLM-13 cells. AF151 inhibits cell growth by significantly degrading METTL3 protein and reducing m6A levels. AF151 can induce cell apoptosis and reduce the level of Bcl-2 protein. AF151 can be used for research on cancer such as acute myeloid leukemia (AML). (Pink: METTL3 Ligand (HY-174874); Blue: VHL Ligand (HY-125845); Black: Linker; VHL Ligand+Linker (HY-174875)).
    AF151
  • HY-103271
    Bax inhibitor peptide, negative control
    		Inhibitor
    Bax inhibitor peptide, negative control is a inhibitor of Bax. Bax inhibitor peptide, negative control inhibits Bax translocation to mitochondria and Bax-mediated apoptosis in vitro.
    Bax inhibitor peptide, negative control
  • HY-164452
    A-1155905
    A-1155905 is a MCL-1 inhibitor (IC50=33.5 nM; Ki=0.58 nM) with anticancer activity. A-1155905 selectively binds to MCL-1 with sufficient affinity to disrupt the MCL-1-bim complex in living cells. A-1155905-induced death of MCL-1-dependent cell lines is caspase-dependent and occurs via apoptosis.
    A-1155905
  • HY-146105
    Anticancer agent 65
    		Modulator
    Anticancer agent 65 (compound 4c) shows excellent activity in cancer cell lines, especially A549 cells, with an IC50 of 1.07 μM. Anticancer agent 65 induces S-phase arrest in A549 cells and increases the expression level of p53 and p21. Anticancer agent 65 causes apoptosis, ROS generation and collapse of MMP in A549 cells.
    Anticancer agent 65
  • HY-177102
    Mesutoclax
    		Inhibitor
    Mesutoclax (ICP-248) (Compound 5) is a selective BCL-2 inhibitor with an IC50 of 1.54 nM. Mesutoclax has weak activity against BCL-XL (IC50: ＞1000 nM). Mesutoclax can inhibit the activity of RS4;11 cells with an IC50 of 2.75 nM. Mesutoclax can be used in the study of cancer.
    Mesutoclax
  • HY-174338
    GPER/Bcl-2-IN-1
    		Inhibitor
    GPER/Bcl-2-IN-1 is a GPER/Bcl-2 inhibitor. GPER/Bcl-2-IN-1 can inhibit the proliferation and neurospheres formation of glioblastoma cells. GPER/Bcl-2-IN-1 can be used for the study of glioblastoma multiforme (GBM).
    GPER/Bcl-2-IN-1
  • HY-RS01427
    BCL2L11 Human Pre-designed siRNA Set A
    		Inhibitor

    BCL2L11 Human Pre-designed siRNA Set A contains three designed siRNAs for BCL2L11 gene (Human), as well as a negative control, a positive control, and a FAM-labeled negative control.
    BCL2L11 Human Pre-designed siRNA Set A
  • HY-147504
    Anticancer agent 63
    		Modulator
    Anticancer agent 63 (compound 3h) shows active in reducing the viability of different cancer cell lines, including SW480, HeLa, A549 and MCF-7, with IC50 values at 24 h of 4.9, 11.5, 9.4, and 3.4 μM, respectively. Anticancer agent 63 induce apoptosis in MCF-7 cells via down-regulating the expression of Bcl-2 and up-regulating the expression of IL-2 and Caspase-3. Anticancer agent 63 also shows antioxidant activity.
    Anticancer agent 63
  • HY-170763B
    (-)-Mcl-1 inhibitor 22
    (-)-Mcl-1 inhibitor 22 (compound 38) is an Mcl-1 inhibitor that works by blocking the interaction between Mcl-1 and pro-apoptotic proteins, reducing the anti-apoptotic activity of Mcl-1. (-)-Mcl-1 inhibitor 22 can be used in cancer research.
    (-)-Mcl-1 inhibitor 22
  • HY-P0300F
    Bak BH3 (72-87), TAMRA-labeled
    Bak BH3 (72-87), TAMRA-labeled is a biological active peptide.
    Bak BH3 (72-87), TAMRA-labeled
  • HY-176283
    Tubulin/LSD1-IN-1
    		Inhibitor
    Tubulin/LSD1-IN-1 is an effective dual inhibitor of Tubulin polymerization and LSD1 (IC50 = 1.72 μM). Tubulin/LSD1-IN-1 has broad-spectrum antiproliferative activity against cancer cell lines. Tubulin/LSD1-IN-1 inhibits tubulin polymerization by targeting colchicine binding sites, thereby disrupting the microtubule network in gastric cancer cells. Tubulin/LSD1-IN-1 increases the methylation levels of H3K4me1/2 and H3K9me2/3, thereby achieving epigenetic regulation. Tubulin/LSD1-IN-1 induces G2/M arrest, promotes apoptosis, and effectively inhibits colony formation of gastric cancer cells.
    Tubulin/LSD1-IN-1
  • HY-RS01429
    Bcl2l11 Rat Pre-designed siRNA Set A
    		Inhibitor

    Bcl2l11 Rat Pre-designed siRNA Set A contains three designed siRNAs for Bcl2l11 gene (Rat), as well as a negative control, a positive control, and a FAM-labeled negative control.
    Bcl2l11 Rat Pre-designed siRNA Set A
  • HY-N3913
    Furowanin A
    		Inhibitor
    Furowanin A is a flavonoid with anti-neoplastic effects. Furowanin A inhibits STAT3/Mcl-1 axis to suppress proliferation, block cell cycle progression, induce apoptosis and promote autophagy. Furowanin A potently inhibits colorectal cancer (CRC) cells.
    Furowanin A
  • HY-N0281R
    Daphnetin (Standard)
    		Inhibitor
    Daphnetin (Standard) is the analytical standard of Daphnetin. This product is intended for research and analytical applications. Daphnetin (7,8-dihydroxycoumarin), one coumarin derivative can be found in plants of the Genus Daphne, is a potent, oral active protein kinase inhibitor, with IC50s of 7.67 μM, 9.33 μM and 25.01 μM for EGFR, PKA and PKC in vitro, respectively. Daphnetin triggers ROS-induced cell apoptosis and induces cytoprotective autophagy by modulating the AMPK/Akt/mTOR pathway. Daphnetin has anti-inflammation activitity and inhibits TNF-α, IL-1 , ROS, and MDA production. Daphnetin has schizontocidal activity against malaria parasites. Daphnetin can be used for rheumatoid arthritis , cancer and anti-malarian research.
    Daphnetin (Standard)
  • HY-N0087R
    Gambogic Acid (Standard)
    		Inhibitor
    Gambogic Acid (Standard) is the analytical standard of Gambogic Acid. This product is intended for research and analytical applications. Gambogic Acid (Beta-Guttiferrin) is derived from the gamboges resin of the tree Garcinia hanburyi. Gambogic Acid (Beta-Guttiferrin) inhibits Bcl-XL, Bcl-2, Bcl-W, Bcl-B, Bfl-1 and Mcl-1 with IC50s of 1.47 μM, 1.21 μM, 2.02 μM, 0.66 μM, 1.06 μM and 0.79 μM.
    Gambogic Acid (Standard)
  • HY-N15686
    Torulene
    		Agonist
    Torulene (Torulin) is an orally active carotenoid with anti-cancer activity. Torulene inhibits proliferation and induces apoptosis of tumor cells via a mitochondrial signal pathway and the down-regulation of androgen receptor (AR) expression. Torulene can be used for the study of prostate cancer.
    Torulene
  • HY-149623
    Bcl-2-IN-13
    		Inhibitor
    Bcl-2-IN-13 is a Bcl-2 inhibitor with an IC50 value of 17 nM. Bcl-2-IN-13 can be used in cancer research.
    Bcl-2-IN-13
  • HY-N0361S
    Dihydrocapsaicin-d3
    		Modulator
    Dihydrocapsaicin-d3 is the deuterium labeled Dihydrocapsaicin (HY-N0361). Dihydrocapsaicin, a capsaicin, is a potent and selective TRPV1 (transient receptor potential vanilloid channel 1) agonist. Dihydrocapsaicin reduces AIF, Bax, and Caspase-3 expressions, and increased Bcl-2, Bcl-xL and p-Akt levels. Dihydrocapsaicin enhances the hypothermia-induced neuroprotection following ischemic stroke via PI3K/Akt regulation in rat.
    Dihydrocapsaicin-d<sub>3</sub>
  • HY-170763A
    (+)-Mcl-1 inhibitor 22
    (+)-Mcl-1 inhibitor 22 (Example 37) is a myeloid cell leukemia-1 (MCL-1) inhibitor which inhibits the antiapoptotoic activity of MCL-1 by inhibiting its interaction with proapototic proteins. (+)-Mcl-1 inhibitor 22 exhibits anti-proliferation activities against various cancer cell lines and can be utilized in cancer research.
    (+)-Mcl-1 inhibitor 22
  • HY-163764
    Bfl-1-IN-4
    		Inhibitor
    Bfl-1-IN-4 (Compound 8) is an inhibitor for Bcl-2 associated protein A1 (Bfl-1) with an IC50 of 16.8 μM.
    Bfl-1-IN-4
Cat. No. Product Name / Synonyms Application Reactivity
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Download Bcl-2 Family Signaling Pathway Map.

Bcl-2 family members have been grouped into three classes. The anti-apoptotic subfamily contains the Bcl-2, Bcl-XL, Bcl-w, Mcl-1, Bfl1/A-1, and Bcl-B proteins, which suppress apoptosis and contain all four Bcl-2 homology domains, designated BH1-4. The pro-apoptotic subfamily contain BH1-3 domains, such as Bax, Bak, and Bok. A third class of BH3 only proteins Bad, Bid, Bim, Noxa and Puma have a conserved BH3 domain that can bind and regulate the anti-apoptotic BCL-2 proteins to promote apoptosis [1].


The intrinsic pathway is initiated by various signals, principally extracellular stimuli. BH3-only proteins (Bim, Bid, Bad, Noxa, Puma) engage with anti-apoptotic Bcl-2 family proteins to relieve their inhibition of Bax and Bak to activate them. Next, Bax and Bak are oligomerized and activated, leading to mitochondrial outer membrane permeabilization. Once mitochondrial membranes are permeabilized, cytochrome c and/or Smac/DIABLO is released into the cytoplasm, wherein they combine with an adaptor molecule, Apaf-1, and an inactive initiator Caspase, Pro-caspase 9, within a multiprotein complex called the apoptosome. Smac/DIABLO inhibits IAPs to activate Caspase 9. Caspase 9 activates Caspase 3, which is the initiation step for the cascade of Caspase activation. The extrinsic pathway can be activated by cell surface receptors, such as Fas and TNF Receptor, subsequently activating Caspase 8, and leads to Caspase 3 activation and cell demolition. Caspases in turn cleave a series of substrates, activate DNases and orchestrate the demolition of the cell. Bcl-2 family proteins are also found on the endoplasmic reticulum and the perinuclear membrane in hematopoietic cells, but they are predominantly localized to mitochondria [2]. 

 

Reference:
[1]. Cotter TG, et al. Apoptosis and cancer: the genesis of a research field. Nat Rev Cancer. 2009 Jul;9(7):501-7.

[2]. Kang MH, et al. Bcl-2 inhibitors: targeting mitochondrial apoptotic pathways in cancer therapy. Clin Cancer Res. 2009 Feb 15;15(4):1126-32.

Bcl-2 Family Isoform Comparison

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