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AMICA (Adhesion Molecule that Interacts with CXADR Antigen 1, Junction Adhesion Molecule-Like, JAM-L, JAML) (APC)

Cat no: A1372-31H1


Supplier: United States Biological
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AMICA (adhesion molecule, interacting with CXADR antigen 1), also known as JAML, is a 65kD, heavily glycosylated transmembrane protein that belongs to the junctional adhesion molecule (JAM) subset of the immunoglobulin superfamily (1). JAM family molecules contribute to intercellular connections within epithelial and endothelial cell layers, and mediate their interactions with various hemopoietic cells (1). The human AMICA cDNA encodes a 384 amino acid (aa) precursor that includes a 19 aa signal sequence, a 256 aa extracellular domain (ECD) with two Ig-like domains, a 21 aa transmembrane segment, and a 98 aa cytoplasmic domain (2). AMICA is expressed on the surface of granulocytes and monocytes and is up- regulated during the differentiation of myeloid leukemia cells (2, 3). A motif in the ECD, which promotes dimerization of other JAM family proteins, is required for surface localization of AMICA (2). AMICA mediates the adhesion of monocytes to endothelial cells (2) and neutrophil migration across epithelial cell monolayers (3). This latter function involves specific interactions of AMICA with coxsackie virus and adenovirus receptor (CXADR) in epithelial tight junctions (3). In particular, the membrane proximal Ig-like domain of AMICA binds the membrane-distal Ig-like domain of CXADR (3). AMICA does not appear to interact homophilically, as neutrophils adhere to immobilized CXADR but not to immobilized AMICA (3). Applications: Suitable for use in Flow Cytometry. Other applications not tested. Recommended Dilution: Flow Cytometry: Neat; 10ul labels 1x10e5 cells Optimal dilutions to be determined by the researcher. Storage and Stability: May be stored at 4 degrees C before opening. DO NOT FREEZE! Stable at 4 degrees C as an undiluted liquid. Dilute only prior to immediate use. Stable for 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer. Freezing APC conjugates will result in a substantial loss of activity. APC conjugates are sensitive to light.
Catalogue number: A1372-31H1
Reactivities: Human
Hosts: Mouse
Applications: Flow Cytometry
Size: 100Tests
Form: Supplied as a liquid in PBS, 0.1% sodium azide. Labeled with APC.
P type: Mab
Isotype: IgG2a
Purity: Purified by Protein G affinity chromatography.
References: 1. Mandell, K.J. and Parkos, C.A., 2005, Adv. Drug Deliv. Rev. 57:857. 2. Moog-Lutz, C. et al., 2003, Blood 102:3371. 3. Zen, K. et al., 2005, Mol. Biol. Cell 16:2694.
Additional info: Recognizes human AMICA.

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