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Flow cytometric analysis of CD140a expression on mouse fibroblast NIH/3T3 cells. Fresh NIH/3T3 cells were stained with either PE Rat anti-Mouse CD140a antibody (Cat. No. 562776, solid line histogram) or PE Rat IgG2a, k Isotype Control (Cat. No. 555844, dashed line histogram). The fluorescence histograms were derived from gated events with the forward and side light-scatter characteristics of viable cells. Flow cytometry was performed using a BD™ LSR II Flow Cytometer System.
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BD Pharmingen™ PE Rat Anti-Mouse CD140A
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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.
- 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.
- 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.
Companion Products


The APA5 antibody monoclonal antibody specifically binds to CD140a, the Platelet-Derived Growth Factor Receptor alpha chain (PDGFR-a, PDGFR-α). CD140a is a receptor tyrosine kinase that is widely expressed on cells of mesenchymal origin in the embryo and adult. CD140a is expressed on several other cell types during embryonic development, but not on hematopoietic cells. CD140a binds to PDGF A and B chains, in contrast to PDGFR-b (CD140b) that binds only to the PDGF B chain. Biologically active PDGF is a disulphide-linked dimer, forming the AA, AB, and BB isoforms. Ligand binding to the PDGF Receptor induces the formation of receptor dimers (aa, ab, or bb), autophosphorylation, and internalization. The APA5 antibody has been demonstrated to block binding of PDGF-AA to PDGFR-a-expressing cells in vitro and to block some PDGF-mediated developmental events in vivo.

Development References (3)
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Fruttiger M, Calver AR, Krüger WH. PDGF mediates a neuron-astrocyte interaction in the developing retina. Neuron. 1996; 17(6):1117-1131. (Clone-specific: Blocking). View Reference
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Heldin CH. Structural and functional studies on platelet-derived growth factor. EMBO J. 1992; 11(12):4251-4259. (Biology). View Reference
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Takakura N, Yoshida H, Kunisada T, Nishikawa S, Nishikawa SI. Involvement of platelet-derived growth factor receptor-alpha in hair canal formation. J Invest Dermatol. 1996; 107(5):770-777. (Immunogen: Blocking, ELISA, Immunohistochemistry, Inhibition, Western blot). View Reference
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