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-150596
    CT1-3
    		Inhibitor
    CT1-3 is a potent anticancer agent. CT1-3 induces mitochondria-mediated apoptosis by regulating JNK/Bcl-2/Bax/XIAP pathway. CT1-3 suppresses the epithelial mesenchymal transition (EMT) potential of human cancer cells (HCCs) via regulating the E-cadherin/Snail axis, thus inhibits tumorigenesis. CT1-3 has a strong antitumor effect in mice model and exhibits no significant hepatic and renal toxicity.
    CT1-3
  • HY-P1889A
    Bim BH3, Peptide IV TFA
    Bim BH3, Peptide IV TFA is a 26-residue peptide from BH3-only protein Bim, which belongs to the pro-apoptotic group of the Bcl-2 family of proteins.
    Bim BH3, Peptide IV TFA
  • HY-118925
    Holothurin A
    		Inhibitor
    Holothurin A is a potent inhibitor against BCL2, HDAC1 and PTPN2 with an anticancer activity, which is derived from sea cucumber Holothuria scabra. Holothurin A plays an essential role in the process of apoptosis, cell cycle and suppressing tumor.
    Holothurin A
  • HY-B0464S1
    Hydralazine-d5 hydrochloride
    Hydralazine-d5 (hydrochloride) is deuterium-labeled Hydralazine (hydrochloride) (HY-B0464).
    Hydralazine-d<sub>5</sub> hydrochloride
  • HY-115718B
    PZ703b hydrochloride
    		Degrader 99.18%
    PZ703b hydrochloride is a Bcl-xl PROTAC degrader that induces apoptosis and inhibits cancer cell proliferation. PZ703b hydrochloride can be used for the research of bladder cancer research.
    PZ703b hydrochloride
  • HY-13407S
    Gossypol-13C2
    Gossypol-13C2 (BL 193-13C2) is an active compound. Gossypol-13C2 can be used for kinds of research.
    Gossypol-<sup>13</sup>C<sub>2</sub>
  • HY-169124
    Apoptosis inducer 28
    		Inhibitor
    Apoptosis Inducer 28 (Compound X1) is an apoptosis-inducing agent with anticancer activity in vitro. Apoptosis Inducer 28 can arrest the cell cycle at the G1 phase, promote cell death, and induce apoptosis by disrupting mitochondrial membrane potential. Apoptosis inducer 28 can also decrease the production of reactive oxygen species, downregulate the gene expression of BAX, Bcl-xL, and Bcl-2, while upregulating the gene expression of PAR-4.
    Apoptosis inducer 28
  • HY-169267
    BRD-K44839765
    		Inhibitor
    BRD-K44839765 is selective against Bcl-2 with an IC50 value of 5.6 μM in IMR-90 cell. BRD-K44839765 has oral activity.
    BRD-K44839765
  • HY-RS01423
    Bcl2l1 Rat Pre-designed siRNA Set A
    		Inhibitor

    Bcl2l1 Rat Pre-designed siRNA Set A contains three designed siRNAs for Bcl2l1 gene (Rat), as well as a negative control, a positive control, and a FAM-labeled negative control.
    Bcl2l1 Rat Pre-designed siRNA Set A
    Bcl2l1 Rat Pre-designed siRNA Set A
  • HY-155251
    anti-TNBC agent-3
    anti-TNBC agent-3 (compound 3g) is an apoptosis inducer with anti-cancer cell proliferation activity. anti-TNBC agent-3 inhibits tumor growth and metastasis in triple-negative breast cancer (TNBC) xenograft models.
    anti-TNBC agent-3
  • HY-P5325F
    Bid BH3 (80-99), FAM labeled
    Bid BH3 (80-99), FAM labeled is a biological active peptide. (This is a 5-FAM-labeled Bid BH3 HY-P5325 peptide.)
    Bid BH3 (80-99), FAM labeled
  • HY-163308
    Bcl-2-IN-18
    		Inhibitor
    Bcl-2-IN-18 (Compound 23) is a breast cancer Bcl-2 inhibitor with a IC50 value of 4.7 μM for MCF-7. Bcl-2-IN-18 has antitumor activity.
    Bcl-2-IN-18
  • HY-P990344
    Anti-Bcl-2 Antibody
    		Inhibitor
    The Anti-Bcl-2 Antibody is a humanized antibody expressed in CHO cells, targeting Bcl-2. The Anti-Bcl-2 Antibody has a huIgG1 heavy chain and a huκ light chain, with a predicted molecular weight (MW) of 145.74 kDa. The isotype control for Anti-Bcl-2 Antibody can be referenced as Human IgG1 kappa, Isotype Control (HY-P99001).
    Anti-Bcl-2 Antibody
  • HY-126741R
    Azadirachtin (Standard)
    		Inhibitor
    Azadirachtin (Standard) is the analytical standard of Azadirachtin. This product is intended for research and analytical applications. Azadirachtin, one of the most promising botanical insecticides, is widely used for pest control. Azadirachtin induces apoptosis in insect cell lines, including Sf9, SL-1 and BTI-Tn-5B1-4.
    Azadirachtin (Standard)
  • HY-161659
    Apoptosis inducer 19
    		Modulator
    Apoptosis inducer 19 (Compound 7g) is an Apoptosis inducer. Apoptosis inducer 19 elevates expression of pro-apoptotic proteins (Bax and caspase-3) and downregulates anti-apoptotic protein (Bcl-2). Apoptosis inducer 19 upregulates cellular reactive oxygen species (ROS) levels and disrupts mitochondrial membrane potential (MMP). Apoptosis inducer 19 can be used for triple-negative breast cancer (TNBC) research.
    Apoptosis inducer 19
  • 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-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
    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
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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