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Mouse JAM-B/VE-JAM Antibody

Catalog #: MAB988
3 Citations Datasheet / COA / SDS
Catalog # Availability Size / Price Qty
MAB988
MAB988-SP
Cell Adhesion Mediated by JAM‑B/VE‑JAM and Neutral-ization by Mouse JAM‑B/ VE‑JAM Antibody.
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Citations (3)
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Summary Data Examples Preparation and Storage Reconstitution Calculator Background Product Datasheets Related Research Areas

Mouse JAM-B/VE-JAM Antibody Summary

Species Reactivity
Mouse
Specificity
Detects mouse JAM‑B/VE-JAM in direct ELISAs and Western blots. In direct ELISAs, approximately 20% cross-reactivity with recombinant human JAM-B/VE-JAM is observed.
Source
Monoclonal Rat IgG1 Clone # 150015
Purification
Protein A or G purified from hybridoma culture supernatant
Immunogen
Mouse myeloma cell line NS0-derived recombinant mouse JAM‑B/VE-JAM
Phe29-Asn236 (predicted)
Accession # Q9JI59
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Endotoxin Level
<0.10 EU per 1 μg of the antibody by the LAL method.

Applications

Recommended Concentration
Sample
Western Blot
1 µg/mL
Recombinant Mouse JAM-B/VE-JAM Fc Chimera (Catalog # 988-VJ)
Neutralization
Measured by its ability to neutralize JAM‑B/VE‑JAM-mediated adhesion of the J45.01 human acute lymphoblastic leukemia T lymphocyte cell line. Fong, S. et al. (2002) J. Immunol. 168:1618. The Neutralization Dose (ND50) is typically 0.1-0.5 µg/mL in the presence of 0.2 µg/mL Recombinant Mouse JAM‑B/VE‑JAM Fc Chimera.

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

Neutralization Cell Adhesion Mediated by JAM‑B/VE‑JAM and Neutral-ization by Mouse JAM‑B/ VE‑JAM Antibody. View Larger

Cell Adhesion Mediated by JAM‑B/VE‑JAM and Neutral-ization by Mouse JAM‑B/ VE‑JAM Antibody. Recombinant Mouse JAM-B/VE-JAM Fc Chimera (Catalog # 988-VJ), immobilized onto a microplate previously coated with Goat Anti-Human IgG Fc (Catalog # G-102-C), supports the adhesion of the J45.01 human acute lymphoblastic leukemia T lymphocyte cell line in a dose-dependent manner (orange line), as measured by endogenous cellular lysosomal acid phosphatase activity. Adhesion elicited by Recombinant Mouse JAM-B/VE-JAM Fc Chimera (0.2 µg/mL) is neutralized (green line) by increasing concentrations of Rat Anti-Mouse JAM-B/ VE-JAM Monoclonal Antibody (Catalog # MAB988). The ND50 is typically 0.1-0.5 µg/mL.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Preparation and Storage

Reconstitution
Reconstitute at 0.5 mg/mL in sterile PBS.
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Shipping
Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: JAM-B/VE-JAM

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. JAM-B, alternatively named vascular endothelial JAM (VE-JAM), is expressed prominently on high endothelial venules of lymphoid organs where it is localized to the intercellular boundaries of high endothelial cells. It is also expressed on the endothelium of a variety of non-lymphoid organs, especially the heart and placenta (2, 3, 5). Mouse JAM-B/VE-JAM cDNA predicts a 298 amino acid (aa) precursor protein with a putative 28 aa signal peptide, a 209 aa extracellular region containing two Ig domains, a 23 aa transmembrane domain and a 38 aa cytoplasmic domain containing a PDZ-binding motif and a PKC phosphorylation site (2, 3). Mouse JAM-B shares approximately 79% aa sequence homology with its human homologue. It also shares approximately 35% aa sequence homology with mouse JAM-A or JAM‑C. JAM-B exhibits homotypic interactions, as well as heterotypic interactions with JAM‑C, but not JAM-A (4, 5, 7). It is also a ligand for the Integrin alpha4beta1. However, the JAM-B/alpha4beta1 interaction is facilitated only after prior adhesion of JAM-B to JAM‑C (6). Through its heterotypic interactions with JAM‑C, JAM-B is an adhesive ligand for T, NK, and dendritic cells, and may play a role in regulating leukocyte transmigration (5).

References
  1. Chavakis, T. et al. (2003) Thromb. Haemost. 89:13. 
  2. Aurand-Lions, M. et al. (2001) Blood 98:3699.
  3. Palmeri, A. et al. (2000) J. Biol. Chem. 275:19139.
  4. Cunnigham, S. et al. (2000) J. Biol. Chem. 275:34750.
  5. Liang, T. et al. (2002) J. Immunol. 168:1618.
  6. Cunningham, A. et al. (2002) J Biol. Chem. 277:27589.
  7. Arrate, M. et al. (2001) J. Biol. Chem. 276:45826.
Long Name
Junctional Adhesion Molecule B
Entrez Gene IDs
58494 (Human); 67374 (Mouse)
Alternate Names
C21orf43; CD322 antigen; CD322; JAM2; JAMB; JAM-B; JAM-BJAM-IT/VE-JAM; junctional adhesion molecule 2JAM-2; junctional adhesion molecule B; PRO245; Vascular endothelial junction-associated molecule; VE-JAM; VE-JAMVEJAMCD322

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Citations for Mouse JAM-B/VE-JAM 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.

3 Citations: Showing 1 - 3
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  1. Impaired stem cell differentiation and somatic cell reprogramming in DIDO3 mutants with altered RNA processing and increased R-loop levels
    Authors: A Fütterer, A Talavera-G, T Pons, J de Celis, J Gutiérrez, V Domínguez, C Martínez-A
    Cell Death & Disease, 2021-06-21;12(7):637.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Flow Cytometry
  2. Soluble JAM-C Ectodomain Serves as the Niche for Adipose-Derived Stromal/Stem Cells
    Authors: Morio Yamazaki, Kotaro Sugimoto, Yo Mabuchi, Rina Yamashita, Naoki Ichikawa-Tomikawa, Tetsuharu Kaneko et al.
    Biomedicines
  3. Junctional adhesion molecules (JAM)-B and -C contribute to leukocyte extravasation to the skin and mediate cutaneous inflammation.
    Authors: Ludwig RJ, Zollner TM, Santoso S, Hardt K, Gille J, Baatz H, Johann PS, Pfeffer J, Radeke HH, Schon MP, Kaufmann R, Boehncke WH, Podda M
    J. Invest. Dermatol., 2005-11-01;125(5):969-76.
    Species: Mouse
    Sample Types: In Vivo
    Applications: Neutralization

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