Human JAM-C PE-conjugated Antibody Summary
Val32-Asn241 (Ala149Pro)
Accession # Q9BX67
Applications
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Scientific Data
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Detection of JAM‑C in CD41+Human Platelets by Flow Cytometry. Human platelets were stained with anti-human CD41 FITC-conjugated antibody and either (A) Mouse Anti-Human JAM-C PE-conjugated Monoclonal Antibody (Catalog # FAB11891P) or (B) Mouse IgG2BPhycoerythrin Isotype Control (Catalog # IC0041P). View our protocol for Staining Membrane-associated Proteins.
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Preparation and Storage
- 12 months from date of receipt, 2 to 8 °C as supplied.
Background: JAM-C
The family of juctional adhesion molecules (JAM), comprising at least three members, are type I transmembrane receptors belonging to the immunoglobulin (Ig) superfamily (1, 2). These proteins are localized in the tight junctions between endothelial cells or epithelial cells. Some family members are also found on blood leukocytes and platelets. Human JAM-C cDNA predicts a 310 amino acid (aa) residue precursor protein with a putative 31 aa signal peptide, a 210 aa extracellular region containing two Ig domains, a 23 aa transmembrane domain and a 46 aa cytoplasmic domain containing a PDZ-binding motif and a PKC phosphorylation site (3, 4). Human JAM-C shares 86% aa sequence identity with its mouse homologue. It also shares approximately 36% and 32% aa sequence homology with human JAM-B and JAM-A, respectively (3‑5). Human JAM-C shows widespread tissue expression and the highest levels are found in the placenta, brain, kidney and heart. JAM-C is expressed on endothelial cells of high endothelial venules in human tonsil. It is also expressed on platelets, T-cells and NK cells (3‑5). Unlike other JAM family members, JAM-C forms only weak homotypic interactions. JAM-C binds to JAM-B to facilitate the interactions between JAM-B and the integrin alpha4beta1 (6). This heterotypic interaction between leukocyte JAM-C and endothelial JAM-B may play a role in regulating leukocyte transmigration (5). On platelets, JAM-C is a counter-receptor for the leukocyte integrin Mac-1(CD11b/CD18) (7). JAM-C has also been identified as a strong candidate gene for hypoplastic left heart syndrome (8).
The nomenclature used for the JAM family proteins is confusing. VE-JAM has been referred to in the literature variously as JAM-B or JAM-C. Until further clarification, R&D Systems has adopted the nomenclature where both mouse and human VE-JAM are referred to as JAM-B. Under this system, JAM-C refers to the protein encoded by the gene localized to human chromosome 11.
- Chavakis, T. et al. (2003) Thromb. Haemost. 89:13.
- Aurand-Lions, M. et al. (2001) Blood 98:3699.
- Arrate, M.P. et al. (2001) J. Biol. Chem. 276:45826.
- Liang, T. et al. (2002) J. Immunol. 168:1618.
- Johnson-Leger, C. et al. (2002) Blood 100:25793.
- Cunningham, A. et al. (2002) J Biol. Chem. 277:27589.
- Santoso, S. et al. (2002) J. Exp. Med. 196:679.
- Phillips, H.M. et al. (2002) Genomics 79:475.
Product Datasheets
Citations for Human JAM-C PE-conjugated Antibody
R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.
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Functional capacities of human IgM memory B cells in early inflammatory responses and secondary germinal center reactions.
Authors: Seifert M, Przekopowitz M, Taudien S, Lollies A, Ronge V, Drees B, Lindemann M, Hillen U, Engler H, Singer B, Kuppers R
Proc Natl Acad Sci U S A, 2015-01-26;112(6):E546-55.
Species: Human
Sample Types: Whole Cells
Applications: Flow Cytometry -
Constitutive and functionally relevant expression of JAM-C on platelets.
Authors: Erpenbeck L, Rubant S, Hardt K, Santoso S, Boehncke WH, Schon MP, Ludwig RJ
Thromb. Haemost., 2010-02-02;103(4):857-9.
Species: Human
Sample Types: Whole Cells
Applications: Flow Cytometry
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