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Two-color analysis of the expression of CD117 on mouse bone marrow cells. A single-cell suspension of BALB/c bone marrow was simultaneously stained with FITC Rat Anti-Mouse CD45R/B220 (Cat. Nos. 553087/553088, both panels) and either APC Rat IgG2b, κ Isotype Control (Left Panel; Cat. No. 553991) or APC Rat Anti-Mouse CD117 (Right Panel; Cat. No. 553356) monoclonal antibodies. Flow cytometry was performed on a BD FACSCalibur™ flow cytometry system.
BD Pharmingen™ APC Rat Anti-Mouse CD117
Regulatory Status Legend
Any use of products other than the permitted use without the express written authorization of Becton, Dickinson and Company is strictly prohibited.
Preparation And Storage
Product Notices
- Since applications vary, each investigator should titrate the reagent to obtain optimal results.
- Caution: Sodium azide yields highly toxic hydrazoic acid under acidic conditions. Dilute azide compounds in running water before discarding to avoid accumulation of potentially explosive deposits in plumbing.
- For fluorochrome spectra and suitable instrument settings, please refer to our Multicolor Flow Cytometry web page at www.bdbiosciences.com/colors.
- This APC-conjugated reagent can be used in any flow cytometer equipped with a dye, HeNe, or red diode laser.
- An isotype control should be used at the same concentration as the antibody of interest.
- Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
The 2B8 monoclonal antibody specifically binds to CD117 (c-Kit), a transmembrane tyrosine-kinase receptor that is encoded by the Kit gene (formerly dominant white spotting, W). The c-Kit ligand (also known as steel factor, stem cell factor, and mast cell growth factor) encoded by the Kit1 gene (formerly steel, SI), is a co-mitogen for hematopoietic stem cells, myeloerythroid progenitors and a mast-cell differentiation factor. The KitW and Kit1SI mutant alleles have similar pleiotropic effects on the development of melanocytes, germ cells, and the hematopoietic system. In the adult bone marrow, CD117 is expressed on hematopoietic progenitor cells, including CD90 (Thy-1) low, TER-119-, CD45R/B220-, CD11b (Mac-1)-, Ly-6G (Gr-1)-, CD4-, CD8-, and Sca-1 (Ly-6A/E)+ multipotent hemotopoietic stem cells, progenitors committed to myeliod and/or erythroid lineages, and precursors of B and T lymphocytes. This widespread expression of CD117 in hematopoietic precursors is consistent with the participation of c-Kit and its ligand in the regulation of several hematopoietic lineages. Intrathymic expression of c-Kit and c-Kit ligand suggest that CD117 is also involved in the regulation of some events during the development of T lymphocytes. CD117 is also expressed by mast cells and by dendritic cells found in the periarteriolar lymphocytoc sheaths (T-cell areas) of splenic white pulp. The mAb 2B8 reportedly does not block the action of c-Kit. This clone 2B8 had been reported to cross-react with rat.
Development References (15)
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Anderson DM, Lyman SD, Baird A, et al. Molecular cloning of mast cell growth factor, a hematopoietin that is active in both membrane bound and soluble forms. Cell. 1990; 63(1):235-243. (Biology). View Reference
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Austen KF, Boyce JA. Mast cell lineage development and phenotypic regulation. Leuk Res. 2001; 25(7):511-518. (Biology). View Reference
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Domen J, Weissman IL. Hematopoietic stem cells need two signals to prevent apoptosis; BCL-2 can provide one of these, Kitl/c-Kit signaling the other. J Exp Med. 2000; 192(12):1707-1718. (Biology). View Reference
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Fadini GP, Sartore S, Schiavon M, et al. Diabetes impairs progenitor cell mobilisation after hindlimb ischaemia-reperfusion injury in rats. Diabetologia. 2006; 49(12):3075-3084. (Clone-specific). View Reference
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Godfrey DI, Zlotnik A. Control points in early T-cell development. Immunol Today. 1993; 14(11):547-553. (Biology). View Reference
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Huang E, Nocka K, Beier DR, et al. The hematopoietic growth factor KL is encoded by the Sl locus and is the ligand of the c-kit receptor, the gene product of the W locus. Cell. 1990; 63(1):225-233. (Biology). View Reference
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Ikuta K, Weissman IL. Evidence that hematopoietic stem cells express mouse c-kit but do not depend on steel factor for their generation. Proc Natl Acad Sci U S A. 1992; 89(4):1502-1506. (Immunogen: Flow cytometry, Immunoprecipitation). View Reference
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Kondo M, Weissman IL, Akashi K. Identification of clonogenic common lymphoid progenitors in mouse bone marrow. Cell. 1997; 91(5):661-672. (Biology). View Reference
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Lian Z, Toki J, Yu C, et al. Intrathymically injected hemopoietic stem cells can differentiate into all lineage cells in the thymus: differences between c-kit+ cells and c-kit < low cells. Stem Cells. 1997; 15(6):430-436. (Biology). View Reference
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Mirmonsef P, Shelburne CP, Fitzhugh Yeatman C 2nd, Chong HJ, Ryan JJ. Inhibition of Kit expression by IL-4 and IL-10 in murine mast cells: role of STAT6 and phosphatidylinositol 3'-kinase. J Immunol. 1999; 163(5):2530-2539. (Biology). View Reference
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Ogawa M, Matsuzaki Y, Nishikawa S, et al. Expression and function of c-kit in hemopoietic progenitor cells. J Exp Med. 1991; 174(1):63-71. (Biology). View Reference
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Pulendran B, Lingappa J, Kennedy MK, et al. Developmental pathways of dendritic cells in vivo: distinct function, phenotype, and localization of dendritic cell subsets in FLT3 ligand-treated mice. J Immunol. 1997; 159(5):2222-2231. (Biology). View Reference
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Rodewald HR, Kretzschmar K, Swat W, Takeda S. Intrathymically expressed c-kit ligand (stem cell factor) is a major factor driving expansion of very immature thymocytes in vivo. Immunity. 1995; 3(3):313-319. (Biology). View Reference
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Valent P. The riddle of the mast cell: kit(CD117)-ligand as the missing link?. Immunol Today. 1994; 15(3):111-114. (Biology). View Reference
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Zsebo KM, Wypych J, McNiece IK, et al. Identification, purification, and biological characterization of hematopoietic stem cell factor from buffalo rat liver--conditioned medium. Cell. 1990; 63(1):195-201. (Biology). View Reference
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