Human MAdCAM-1 Antibody

R&D Systems, part of Bio-Techne | Catalog # MAB6056

R&D Systems, part of Bio-Techne
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MAB6056
MAB6056-SP
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Key Product Details

Species Reactivity

Human

Applications

CyTOF-ready, Flow Cytometry, Western Blot

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG1 Clone # 683715

View all MAdCAM-1 Antibodies »

Product Specifications

Immunogen

Mouse myeloma cell line NS0-derived recombinant human MAdCAM-1
Leu21-Gln333
Accession # AAY82472

Specificity

Detects human MAdCAM-1 in direct ELISAs. In direct ELISAs, no cross-reactivity with recombinant mouse MAdCAM-1, recombinant human (rh) ALCAM, rhBCAM, rhCEACAM-1, rhEpCAM, rhICAM-1, -2, -3, -4, -5, rhCD31/PECAM-1, or rhVCAM-1 is observed.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1

Scientific Data Images for Human MAdCAM-1 Antibody

Detection of Human MAdCAM-1 by Western Blot.

Western blot shows lysates of HeLa human cervical epithelial carcinoma cell line and HepG2 human hepatocellular carcinoma cell line. PVDF membrane was probed with 1 µg/mL of Mouse Anti-Human MAdCAM-1 Monoclonal Antibody (Catalog # MAB6056) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (HAF018). A specific band was detected for MAdCAM-1 at approximately 40 kDa (as indicated). This experiment was conducted under reducing conditions and using Western Blot Buffer Group 1.
Detection of MAdCAM-1 antibody in HeLa Human Cell Line antibody by Flow Cytometry

Detection of MAdCAM‑1 in HeLa Human Cell Line by Flow Cytometry

HeLa human cervical epithelial carcinoma cell line was stained with Mouse Anti-Human MAdCAM-1 Monoclonal Antibody (Catalog # MAB6056, filled histogram) or isotype control antibody (Catalog # MAB002, open histogram), followed by Phycoerythrin-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # F0102B).

Applications for Human MAdCAM-1 Antibody

Application
Recommended Usage

CyTOF-ready

Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.

Flow Cytometry

2.5 µg/106 cells
Sample: HeLa human cervical epithelial carcinoma cell line

Western Blot

1 µg/mL
Sample: HeLa human cervical epithelial carcinoma cell line and HepG2 human hepatocellular carcinoma cell line
Please Note: Optimal dilutions of this antibody should be experimentally determined.

Formulation, Preparation, and Storage

Purification

Protein A or G purified from hybridoma culture supernatant

Reconstitution

Sterile PBS to a final concentration of 0.5 mg/mL. For liquid material, refer to CoA for concentration.

Reconstitution Buffer Available:
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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.

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: MAdCAM-1

Mucosal addressin cell adhesion molecule-1 (MAdCAM-1) is an approximately 60 kDa type 1 transmembrane glycoprotein. It is an endothelial cell adhesion molecule that belongs to the immunoglobulin (Ig) superfamily of proteins (1). Human MAdCAM-1 is synthesized as a 382 amino acid (aa) precursor that contains an 18 aa signal sequence, a 299 aa extracellular domain (ECD), a 21 aa transmembrane segment, and a 44 aa cytoplasmic tail. Within the ECD there is one potential site for N-linked glycosylation (2). The ECD comprises two Ig-like domains of 90 aa and 119 aa, respectively, each possessing invariant cysteine residues that stabilize the Ig loop (2). There is also a Ser-Thr-Pro-rich (71%) mucin-like 48 aa domain that is (aa 206‑317) formed by six tandem repeats of an eight aa sequence having the general consensus DTTSPEP/SP. This mucin domain contains 19 potential sites for O-linked glycosylation (2, 3). A splicing variant in which a single Ala residue is substituted for aa 223‑334 in isoform 1 produces a second isoform. Human mature MAdCAM-1 shares only 44% aa sequence identity with mature mouse MAdCAM-1. The integrin alpha(4)  beta(7), which is expressed on lymphocytes, functions as the MAdCAM-1 receptor (1). The Ig domains of MAdCAM-1 are critical to alpha(4)  beta(7)  binding, and the mucin domain has activity in L‑Selectin binding. MAdCAM-1 expression is up-regulated by TNF-alpha  and IL‑1 beta. MAdCAM-1 is expressed on the surface of high endothelial venules (HEV) in the gut and in Peyer’s patches, on endothelial cells of the mesenteric lymph nodes, lamina propria of the small and large intestine, and the mammary gland during lactation, and on brain endothelial cells (1). MAdCAM‑1 has also been reported to be expressed in the liver portal region in autoimmune hepatitis (1), and in bone marrow following allogenic (genetically non-identical) hematopoietic stem cell transplantation, where it recruits donor T cells, which may lead to graft versus host disease (3, 4). MAdCAM‑1 functions as a homing receptor, and plays a central role in leukocyte migration into HEVs and Peyer’s patch (5). In addition to its normal role in lymphocyte trafficking to mucosal tissue, MAdCAM‑1 expression is also dramatically increased in chronic inflammatory and disease states (1, 6), including inflammatory bowel disease (Crohn’s disease and ulcerative colitis) (7), sclerosing cholangitis (8), and diabetes (9), and may play an important role in these conditions.

References

  1. Ando, T. et al. (2007) BMC Physiol. 7:10.
  2. Dando, J. et al. (2002) Acta Crystallogr. D 58:233.
  3. Leung, E. et al. (1996) Immunol. Cell Biol. 74:490.
  4. Ambruzova, Z. et al. (2009) Hum. Immunol. 70:457.
  5. Tada, T. et al. (2008) Exp. Anim. 57:247.
  6. Volpes, R. et al. (1992) Hepatology 15:269.
  7. Connor, E.M. et al. (1999) J. Leukoc. Biol. 65:349.
  8. Ala, A. et al. (2001) Gut 49:3043.
  9. Yang, X.D. et al. (1997) Diabetes 46:1542.

Long Name

Mucosal Addressin Cell Adhesion Molecule 1

Alternate Names

MAdCAM1

Entrez Gene IDs

8174 (Human); 17123 (Mouse)

Gene Symbol

MADCAM1

UniProt

AAY82472

Additional MAdCAM-1 Products

Product Documents for Human MAdCAM-1 Antibody

Product Datasheets

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

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Product Specific Notices for Human MAdCAM-1 Antibody

For research use only

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