Learn More
Description
Tight junctions (zonulae occludens) are critical to the maintenance of cell polarity and intercellular barriers. Protein components of the tight junctions include actin filaments, symplekin, occludin, ZO-1, ZO-2, and ZO-3. Junctional adhesion molecules, JAM-1, -2, and -3, are a new subfamily in the immunoglobulin (Ig) superfamily that colocalize with these components of tight junctions. JAM-1 was identified through a screen of antibodies that recognizes antigens located at cell-cell contacts. The structure of JAM-1 includes two V-type Ig domains in the extracellular region, two N-glycosylation sites, and a small C-terminal cytoplasmic region. JAM-1 protein is expressed at cell-cell junctions in endothelial and epithelial cells, and antibodies to JAM-1 inhibit spontaneous and chemokine-induced monocyte transmigration through an endothelial cell monolayer. In addition, TNFα and IFN-γ cause redistribution of JAM-1 from intercellular junctions to the cytoplasm. JAM-1 also is the receptor for the platelet membrane protein, F11 antigen, and activation of platelets leads to PKC phosphorylation of JAM-1. Thus, JAM-1 is a junctional adhesion molecule that functions in endothelial, epithelial, and platelet adhesion.
Western Blotting
Specifications
Specifications
| Antigen | JAM-1 |
| Applications | Western Blot |
| Classification | Monoclonal |
| Clone | 43 |
| Concentration | 250μg/mL |
| Conjugate | Unconjugated |
| Formulation | Aqueous buffered solution containing BSA, glycerol, and ≤0.09% sodium azide. |
| Host Species | Mouse |
| Immunogen | Human JAM aa. 126-237 |
| Purification Method | Affinity Purified |
| Show More |
By clicking Submit, you acknowledge that you may be contacted by Fisher Scientific in regards to the feedback you have provided in this form. We will not share your information for any other purposes. All contact information provided shall also be maintained in accordance with our Privacy Policy.