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Invitrogen
CD172a (SIRP alpha) Monoclonal Antibody (OX41), APC, eBioscience™
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Product Details
17-1720-82
Product Specifications
Species Reactivity
Rat
Host/Isotype
Mouse
/ IgG2a, kappa
Recommended Isotype Control
Class
Monoclonal
Type
Antibody
Clone
OX41
Conjugate
Excitation/Emission Max
651/660 nm
View spectra
Form
Liquid
Concentration
0.2 mg/mL
Purification
Affinity chromatography
Storage buffer
PBS, pH 7.2
Contains
0.09% sodium azide
Storage conditions
4°C, store in dark, DO NOT FREEZE!
Shipping conditions
Ambient (domestic); Wet ice (international)
RRID
AB_2573174
Product Specific Information
Description: The monoclonal antibody OX41 reacts with rat CD172a, which is also known as signal-regulatory protein alpha (SIRPa). SIRP family members are transmembrane glycoproteins with 3 Ig-like extracellular domains and a cytoplasmic tail containing 2 immunocreceptor tyrosine-based inhibition motifs. CD172a is expressed by monocytes, macrophages, granulocytes, dendritic cells, and neurons. SIRPa association with CD47 inhibits phagocytosis of CD47 presenting cells. Studies suggest that SIRPa ligation prevents phagocytosis by inactivating paxillin and cofilin, proteins involved in cytoskeleton remodeling.
Applications Reported: This OX41 antibody has been reported for use in flow cytometric analysis.
Applications Tested: This OX41 antibody has been tested by flow cytometric analysis of rat lysed whole blood. This can be used at less than or equal to 0.5 µg per test. A test is defined as the amount (µg) of antibody that will stain a cell sample in a final volume of 100 µL. Cell number should be determined empirically but can range from 10^5 to 10^8 cells/test. It is recommended that the antibody be carefully titrated for optimal performance in the assay of interest.
Excitation: 633-647 nm; Emission: 660 nm; Laser: Red Laser.
Filtration: 0.2 µm post-manufacturing filtered.
Target Information
SIRP alpha (CD172a, signal-regulatory protein alpha) is a receptor-type transmembrane glycoprotein expressed on cells of myeloid origin, including granulocytes, dendritic cells (DCs), macrophages, mast cells and hematopoietic stem cells. SIRP alpha acts as a substrate for several activated tyrosine kinases, including EGFR, PDGFR, src and insulin receptor and is involved in the negative regulation of receptor tyrosine kinase-coupled signaling pathways. The ligand binding of SIRP alpha to integrin-associated protein CD47 results in tyrosine kinase phosphorylation of immunoreceptor tyrosine-based inhibitory motifs (ITIMs) within the cytoplasmic region of SIRP alpha, which mediates the recruitment and activation of the tyrosine phosphatases SHP-1 and SHP-2. Ligation of SIRP alpha with CD47 has been demonstrated in several regulatory processes, including the inhibition of host cell phagocytosis by macrophages and the bi-directional activation of T cells and DCs. SIRP alpha has regulatory effects on cellular responses induced by serum, growth factors, insulin, oncogenes, growth hormones and cell adhesion, and plays a general role in different physiological and pathological processes. Cancer cells highly express CD47, which activates SIRP alpha and inhibits macrophage-mediated destruction of cancerous cell growth.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
How to use the Panel Builder
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Bioinformatics
Protein Aliases: Bit; Brain Ig-like molecule with tyrosine-based activation motifs; Brain immunoglobulin like protein with tyrosine - based activation motifs; CD172 alpha; CD172 antigen-like family member A; CD172a; Inhibitory receptor SHPS-1; Macrophage fusion receptor; Macrophage membrane protein MFP150; Protein tyrosine phosphatase non-receptor type substrate 1 (SHP substrate 1); Protein tyrosine phosphatase, non-receptor type substrate 1 (SHP substrate 1); SHP substrate 1; Signal-regulatory protein alpha-1; Sirp-alpha-1; SIRPalpha; SIRPalpha2; Tyrosine-protein phosphatase non-receptor type substrate 1
Gene Aliases: Bit; Mfr; Ptpns1; SHPS-1; Shps1; Sirp; Sirpa
UniProt ID: (Rat) P97710
Entrez Gene ID: (Rat) 25528
Performance Guarantee
If an Invitrogen™ antibody doesn't perform as described on our website or datasheet,we'll replace the product at no cost to you, or provide you with a credit for a future purchase.*
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