Human ESAM Antibody

Catalog # Availability Size / Price Qty
AF2688
AF2688-SP
Detection of Human ESAM by Western Blot.
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Product Details
Citations (1)
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Human ESAM Antibody Summary

Species Reactivity
Human
Specificity
Detects human ESAM in direct ELISAs and Western blots. In direct ELISAs, approximately 5% cross‑reactivity with recombinant mouse ESAM is observed.
Source
Polyclonal Goat IgG
Purification
Antigen Affinity-purified
Immunogen
Mouse myeloma cell line NS0-derived recombinant human ESAM
Gln30-Ala247
Accession # Q96AP7
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
Label
Unconjugated

Applications

Recommended Concentration
Sample
Western Blot
1 µg/mL
See below
Flow Cytometry
2.5 µg/106 cells
See below
Immunohistochemistry
5-15 µg/mL
Immersion fixed paraffin-embedded sections of human kidney and liver
CyTOF-ready
Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.
 

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.

Data Examples

Western Blot Detection of Human ESAM by Western Blot. View Larger

Detection of Human ESAM by Western Blot. Western blot shows lysates of HUVEC human umbilical vein endothelial cells. PVDF membrane was probed with 1 µg/mL of Goat Anti-Human ESAM Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2688) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF019). A specific band was detected for ESAM at approximately 55 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.

Flow Cytometry Detection of ESAM in HUVEC Human Cells by Flow Cytometry. View Larger

Detection of ESAM in HUVEC Human Cells by Flow Cytometry. HUVEC human umbilical vein endothelial cells were stained with Goat Anti-Human ESAM Antigen Affinity‑purified Polyclonal Antibody (Catalog # AF2688, filled histogram) or control antibody (Catalog # AB-108-C, open histogram), followed by Phycoerythrin-conjugated Anti-Goat IgG Secondary Antibody (Catalog # F0107).

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 0.2 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Availability
Size / Price
Qty
RB01
Shipping
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
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: ESAM

Endothelial cell-selective adhesion molecule (ESAM) is a 55 kDa type I transmembrane glycoprotein that belongs to the JAM family of immunoglobulin superfamily molecules (1, 2). Human ESAM is synthesized as a 390 amino acid (aa) protein composed of a 29 aa signal peptide, a 216 aa extracellular region, a putative 26 aa transmembrane segment, and a 119 aa cytoplasmic domain. The extracellular region contains one V-type and one C2-type Ig domain and is involved in homophilic adhesion (1). In the cytoplasmic domain, there is a docking site for the multifunctional adaptor protein MAGI-1 (3). The extracellular region of human ESAM shows 90%, 74%, 69% and 67% aa identity with monkey, canine, mouse and rat extracellular ESAM, respectively. ESAM is expressed on endothelial cells, activated platelets and megakaryocytes, and can be found associated with cell-to-cell junctions. Whether ESAM is restricted to a particular junctional type is not clear (1, 2). ESAM deficient mice have no defect in vascularization but do have reduced angiogenic potential. This may be due to a decreased migratory response to FGF-2 (4).

References
  1. Hirata, K-I, et al. (2001) J. Biol. Chem. 276:16223.
  2. Nasdala, I. et al. (2002) J. Biol. Chem. 277:16294.
  3. Wegmann, F. et al. (2004) Exp. Cell Res. 300:121.
  4. Ishida, T. et. al. (2003) J. Biol. Chem. 278:34598.
Long Name
Endothelial Cell Adhesion Molecule
Entrez Gene IDs
90952 (Human); 69524 (Mouse)
Alternate Names
2310008D05Rik; endothelial cell adhesion molecule; endothelial cell-selective adhesion molecule; ESAM; HUEL (C4orf1)-interacting protein; LP4791 protein; W117m

Product Datasheets

Citation for Human ESAM 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.

1 Citation: Showing 1 - 1

  1. Identification of the surface-accessible, lineage-specific vascular proteome by two-dimensional peptide mapping.
    Authors: Roesli C, Mumprecht V, Neri D, Detmar M
    FASEB J., 2008;22(6):1933-44.
    Species: Human
    Sample Types: Whole Tissue
    Applications: IHC-Fr

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Cell and Tissue Staining Kits

Immunohistochemistry Reagents

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Reconstitution Buffers

Secondary Antibodies

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