JAM2

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Junctional adhesion molecule 2
Identifiers
Symbols JAM2; C21orf43; CD322; JAM-B; JAMB; PRO245; VE-JAM; VEJAM
External IDs OMIM606870 MGI1933820 HomoloGene10929 GeneCards: JAM2 Gene
RNA expression pattern
PBB GE JAM2 219213 at tn.png
More reference expression data
Orthologs
Species Human Mouse
Entrez 58494 67374
Ensembl ENSG00000154721 ENSMUSG00000053062
UniProt P57087 Q9JI59
RefSeq (mRNA) NM_021219 NM_023844.5
RefSeq (protein) NP_067042 NP_076333.3
Location (UCSC) Chr 21:
27.01 – 27.09 Mb
Chr 16:
84.77 – 84.83 Mb
PubMed search [1] [2]

Junctional adhesion molecule B is a protein that in humans is encoded by the JAM2 gene.[1][2][3] JAM2 has also been designated as CD322 (cluster of differentiation 322).

Tight junctions represent one mode of cell-to-cell adhesion in epithelial or endothelial cell sheets, forming continuous seals around cells and serving as a physical barrier to prevent solutes and water from passing freely through the paracellular space. The protein encoded by this immunoglobulin superfamily gene member is localized in the tight junctions between high endothelial cells. It acts as an adhesive ligand for interacting with a variety of immune cell types and may play a role in lymphocyte homing to secondary lymphoid organs.[3]

Contents

[edit] Interactions

JAM2 has been shown to interact with PARD3.[4]

[edit] References

  1. ^ Palmeri D, van Zante A, Huang CC, Hemmerich S, Rosen SD (Aug 2000). "Vascular endothelial junction-associated molecule, a novel member of the immunoglobulin superfamily, is localized to intercellular boundaries of endothelial cells". J Biol Chem 275 (25): 19139–45. doi:10.1074/jbc.M003189200. PMID 10779521. 
  2. ^ Cunningham SA, Arrate MP, Rodriguez JM, Bjercke RJ, Vanderslice P, Morris AP, Brock TA (Nov 2000). "A novel protein with homology to the junctional adhesion molecule. Characterization of leukocyte interactions". J Biol Chem 275 (44): 34750–6. doi:10.1074/jbc.M002718200. PMID 10945976. 
  3. ^ a b "Entrez Gene: JAM2 junctional adhesion molecule 2". http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=58494. 
  4. ^ Ebnet, Klaus; Aurrand-Lions Michel, Kuhn Annegret, Kiefer Friedemann, Butz Stefan, Zander Kerstin, Meyer zu Brickwedde Maria-Katharina, Suzuki Atsushi, Imhof Beat A, Vestweber Dietmar (Oct. 2003). "The junctional adhesion molecule (JAM) family members JAM-2 and JAM-3 associate with the cell polarity protein PAR-3: a possible role for JAMs in endothelial cell polarity". J. Cell. Sci. (England) 116 (Pt 19): 3879–91. doi:10.1242/jcs.00704. ISSN 0021-9533. PMID 12953056. 

[edit] Further reading

[edit] External links


This article incorporates text from the United States National Library of Medicine, which is in the public domain.

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