|Application ||WB, IHC, IF, FC, IP, E|
|Reactivity||Human, Mouse, Rat, Pig|
|Other Names||Bcl-2-like protein 1, Bcl2-L-1, Apoptosis regulator Bcl-X, BCL2L1, BCL2L, BCLX|
|Target/Specificity||A synthetic peptide, aa 3-14 (Cys-QSNRELVVDFLS) of human Bcl-X protein.|
|Application Note||ELISA : For coating, order Ab without BSA|
Flow Cytometry : 0.5-1ug/million cells
Immunofluorescence : 1-2ug/ml
Western Blotting : 0.5-1.0 µg/ml
Immunoprecipitation : 1-2ug/500ug protein lysate
Immunohistology (Frozen & Formalin-fixed) : 0.5-1.0 µg/ml for 30 minutes at RT
(Staining of formalin-fixed tissues requires boiling tissue sections in 1mM EDTA buffer, pH 7.5-8.5, for 10-20 min followed by cooling at RT for 20 minutes).
|Format||0.5 ml at 200ug/ml with BSA and azide|
|Storage||Store at 2 to 8°C.Antibody is stable for 24 months.|
|Precautions||Bcl-X (Apoptosis Marker) Antibody - With BSA and Azide is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||Potent inhibitor of cell death. Inhibits activation of caspases. Appears to regulate cell death by blocking the voltage- dependent anion channel (VDAC) by binding to it and preventing the release of the caspase activator, CYC1, from the mitochondrial membrane. Also acts as a regulator of G2 checkpoint and progression to cytokinesis during mitosis. Isoform Bcl-X(S) promotes apoptosis.|
|Cellular Location||Isoform Bcl-X(L): Mitochondrion inner membrane. Mitochondrion outer membrane. Mitochondrion matrix. Cytoplasmic vesicle, secretory vesicle, synaptic vesicle membrane. Cytoplasm, cytosol. Cytoplasm, cytoskeleton, microtubule organizing center, centrosome. Nucleus membrane; Single-pass membrane protein; Cytoplasmic side. Note=After neuronal stimulation, translocates from cytosol to synaptic vesicle and mitochondrion membrane in a calmodulin-dependent manner (By similarity). Localizes to the centrosome when phosphorylated at Ser-49.|
|Tissue Location||Bcl-X(S) is expressed at high levels in cells that undergo a high rate of turnover, such as developing lymphocytes. In contrast, Bcl-X(L) is found in tissues containing long-lived postmitotic cells, such as adult brain|
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Provided below are standard protocols that you may find useful for product applications.
Recognizes a protein of 27kDa, identified as the Bcl-X protein. This MAb shows no cross-reaction with Bcl-2 or Bax protein. Bcl-X has two isoforms, Bcl-XL (long), a 241 amino acid protein which suppresses cell death. And Bcl-XS (short), a 178 amino acid protein lacking a 63 amino acid domain which functions as a dominant inhibitor of Bcl-2. This MAb reacts with both Bcl-XS and Bcl-XL proteins.
1. Hsu YT, et. al. Journal of Biological Chemistry, 1997, 272(21):13829-34.
2. Hsu YT, et. al. PNAS, 1997, 94(8):3668-72.
3. Wolter KG, et. al. Journal of Cell Biology, 1997, 139(5):1281-92.
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