Human Desmoglein-3 Antibody

R&D Systems, part of Bio-Techne | Catalog # MAB1720

R&D Systems, part of Bio-Techne
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MAB1720
MAB1720-SP
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Key Product Details

Species Reactivity

Validated:

Human

Cited:

Human

Applications

Validated:

Immunohistochemistry, Western Blot

Cited:

Flow Cytometry, Immunohistochemistry-Frozen, Immunohistochemistry-Paraffin, Western Blot

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG2B Clone # 216519

View all Desmoglein-3 Antibodies »

Product Specifications

Immunogen

Mouse myeloma cell line NS0-derived recombinant human Desmoglein-3
Glu50-Arg615
Accession # P32926

Specificity

Detects human Desmoglein-3 in direct ELISAs and Western blots. In direct ELISAs, no cross-reactivity with recombinant human (rh) Desmoglein-1, rhDesmoglein-2, or rhCadherin-17 is observed.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG2B

Scientific Data Images for Human Desmoglein-3 Antibody

Detection of Human Desmoglein-3 antibody by Western Blot.

Detection of Human Desmoglein‑3 by Western Blot.

Western blot shows lysates of human skin cancer (squamous cell carcinoma) tissue. PVDF membrane was probed with 0.5 µg/mL of Mouse Anti-Human Desmoglein-3 Monoclonal Antibody (Catalog # MAB1720) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF018). A specific band was detected for Desmoglein-3 at approximately 130 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Desmoglein-3 antibody in Human Squamous Cell Carcinoma by Immunohistochemistry (IHC-P).

Desmoglein‑3 in Human Squamous Cell Carcinoma.

Desmoglein-3 was detected in immersion fixed paraffin-embedded sections of human squamous cell carcinoma using Mouse Anti-Human Desmoglein-3 Monoclonal Antibody (Catalog # MAB1720) at 8 µg/mL overnight at 4 °C. Tissue was stained using the Anti-Mouse HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS002) and counterstained with hematoxylin (blue). Specific staining was localized to plasma membranes of keratinocytes. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.

Applications for Human Desmoglein-3 Antibody

Application
Recommended Usage

Immunohistochemistry

8-25 µg/mL
Sample: Immersion fixed paraffin-embedded sections of human skin and human squamous cell carcinoma

Western Blot

0.5 µg/mL
Sample: Human skin cancer (squamos cell)
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

Reconstitute at 0.5 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.

Reconstitution Buffer Available:
Size / Price
Qty

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: Desmoglein-3

Desmoglein-3, also known as pemphigus vulgaris antigen (PVA), is a 130 kDa transmembrane glycoprotein that belongs to the cadherin family of calcium dependent adhesion molecules (1‑3). Human Desmoglein-3 is synthesized with a 26 amino acid (aa) propeptide. The mature protein consists of a 566 aa extracellular domain (ECD) that contains four cadherin-like domains, a 25 aa transmembrane segment, and a 359 aa cytoplasmic domain (4). Within the ECD, human Desmoglein-3 shares 78% aa sequence identity with mouse and rat Desmoglein-3. It shares 44%, 47%, and 56% aa sequence identity with Desmoglein-1, -2, and -4 respectively. Desmoglein-3 is one of the principal components of desmosomes which form adhesive contacts between epithelial cells (1, 2). It is expressed in the basal and suprabasal layers of stratified epithelia in many tissues (4‑6). During apoptosis, Desmoglein-3 is cleaved by caspases, plus MMP-2, and MMP-9 at sites within the cytoplasmic and extracellular regions, resulting in shortened transmembrane forms and a soluble 75 kDa ECD fragment (7, 8). The downregulation of Desmoglein-3 in oral squamous cell carcinoma correlates with metastatic potential (9). Desmoglein-3 is the target of autoantibodies in pemphigus vulgaris, a blistering skin disorder with compromised inter-keratinocyte adhesion (6, 10). Binding of these antibodies triggers Desmoglein-3 internalization and degradation by keratinocytes (10).

References

  1. Kottke, M.D. et al. (2006) J. Cell Sci. 119:797.
  2. Garrod, D.R. et al. (2002) Mol. Membr. Biol. 19:81.
  3. Leckband, D. and A. Prakasam (2006) Annu. Rev. Biomed. Eng. 8:259.
  4. Amagai, M. et al. (1991) Cell 67:869.
  5. Silos, S.A. et al. (1996) J. Biol. Chem. 271:17504.
  6. Amagai, M. et al (1996) J. Invest. Dermatol. 106:351.
  7. Weiske, J. et al. (2001) J. Biol. Chem. 276:41175.
  8. Cirillo, N. et al. (2007) Oral Dis. 13:341.
  9. Wang, L. et al. (2007) Virchows Arch. Sept. 11 epub.
  10. Calkins, C.C. et al. (2006) J. Biol. Chem. 281:7623.

Alternate Names

CDHF6, Desmoglein3, DSG3

Entrez Gene IDs

1830 (Human); 13512 (Mouse)

Gene Symbol

DSG3

UniProt

P32926

Additional Desmoglein-3 Products

Product Documents for Human Desmoglein-3 Antibody

Product Datasheets

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Product Specific Notices for Human Desmoglein-3 Antibody

For research use only

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