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Home >> Antibodies >> Desmoglein 3 Antibody Microarray Validated / DSG3

Desmoglein 3 Antibody Microarray Validated / DSG3 [clone DSG3/2839] (V7933)

  Catalog No Formulation Size Price (USD)  
Image V7933-100UG 0.2 mg/ml in 1X PBS with 0.1 mg/ml BSA (US sourced) and 0.05% sodium azide 100 ug 559
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V7933-20UG 0.2 mg/ml in 1X PBS with 0.1 mg/ml BSA (US sourced) and 0.05% sodium azide 20 ug 259
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V7933SAF-100UG 1 mg/ml in 1X PBS; BSA free, sodium azide free 100 ug 559
Microvalidated
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Immunohistochemistry of Desmoglein 3 Antibody Microarray Validated clone DSG3/2839 in human esophageal carcinoma tissue. Formalin-fixed, paraffin-embedded esophageal carcinoma demonstrates strong membranous staining of tumor epithelial cells, consistent with Desmoglein 3 localization at desmosomal cell-cell junctions in stratified squamous epithelium-derived malignancy. Heat-induced epitope retrieval was performed by boiling tissue sections in pH 9 10mM Tris with 1mM EDTA for 10-20 minutes followed by cooling prior to staining. The microarray validated monoclonal antibody clone DSG3/2839 was used as the primary antibody.
IHC staining of FFPE human esophageal carcinoma with Desmoglein 3 antibody microarray validated clone DSG3/2839. HIER: boil tissue sections in pH 9 10mM Tris with 1mM EDTA for 10-20 min and allow to cool before testing.
IHC staining of FFPE human esophageal carcinoma with Desmoglein 3 antibody microarray validated clone DSG3/2839. HIER: boil tissue sections in pH 9 10mM Tris with 1mM EDTA for 10-20 min and allow to cool before testing.
Human protein microarray specificity validation of Desmoglein 3 Antibody Microarray Validated clone DSG3/2839. Analysis was performed using the HuProt(TM) microarray containing more than 19,000 full-length human proteins. The antibody demonstrates highest signal intensity for Desmoglein 3, ranking first among all proteins tested, supporting strong target specificity. The microarray validated monoclonal antibody clone DSG3/2839 shows a high Z-score for DSG3 with a clear separation from the next ranked proteins, reflected by the corresponding S-score.
Z- and S-score explanation: The Z-score represents the strength of signal generated when the antibody, together with a fluorescently labeled anti-IgG secondary antibody, binds to a specific protein on the HuProt(TM) array. Z-scores are expressed as standard deviations above the mean signal of all proteins on the array. Proteins are ranked in descending order according to Z-score. The S-score represents the difference in Z-scores between adjacent ranked proteins and reflects the relative specificity of the antibody for its intended target.
SDS-PAGE analysis of purified, BSA-free Desmoglein 3 antibody microarray validated clone DSG3/2839 as confirmation of integrity and purity.
Availability 1-3 business days
Species Reactivity Human
Format Purified
Host Mouse
Clonality Monoclonal (mouse origin)
Isotype Mouse IgG1, kappa
Clone Name DSG3/2839
Purity Protein G affinity chromatography
UniProt P32926
Localization Cell surface
Applications Immunohistochemistry (FFPE) : 1-2ug/ml
Limitations This Desmoglein 3 antibody is available for research use only.
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Description

Desmoglein 3 Antibody Microarray Validated clone DSG3/2839 recognizes Desmoglein 3, a calcium-dependent desmosomal cadherin encoded by the DSG3 gene on chromosome 18q12.1. Desmoglein 3, commonly referred to as DSG3 in the literature, is a transmembrane glycoprotein localized to desmosomes at the plasma membrane of stratified epithelial cells, where it mediates strong intercellular adhesion. DSG3 antibody, also known as Desmoglein 3 antibody, is widely used in studies of epithelial differentiation, cell-cell adhesion, and autoimmune blistering disorders. This microarray validated monoclonal antibody supports specific detection of membranous DSG3 expression in epithelial tissues.

Desmoglein 3 belongs to the cadherin superfamily and serves as a core structural component of desmosomal junctions. Its extracellular cadherin repeats mediate calcium-dependent homophilic adhesion between adjacent epithelial cells, while the cytoplasmic tail associates with desmosomal plaque proteins including Plakoglobin and Desmoplakin. Through these interactions, Desmoglein 3 anchors keratin intermediate filaments to the plasma membrane, reinforcing tissue integrity in areas exposed to mechanical stress such as the epidermis and mucosal epithelium.

DSG3 expression is most prominent in the basal and suprabasal layers of stratified squamous epithelia, including oral mucosa, esophagus, cervix, and skin. In contrast to Desmoglein 1, which is enriched in superficial epidermal layers, Desmoglein 3 is concentrated in deeper epithelial layers and plays a critical role in maintaining mucocutaneous cohesion. Autoantibodies directed against Desmoglein 3 are strongly associated with pemphigus vulgaris, a blistering disorder characterized by loss of desmosomal adhesion. Altered DSG3 expression has also been reported in squamous cell carcinoma and other epithelial malignancies, where changes in desmosomal composition may influence tumor differentiation and progression.

Structurally, Desmoglein 3 contains multiple extracellular cadherin domains, a single transmembrane segment, and an intracellular domain that integrates into the desmosomal plaque complex. Beyond its adhesive function, DSG3 participates in signaling pathways that influence keratinocyte proliferation, differentiation, and epithelial homeostasis. Through its essential role in desmosomal architecture and epithelial stability, Desmoglein 3 remains an important molecular marker in epithelial biology and mucocutaneous disease research.

Application Notes

Optimal dilution of the Desmoglein 3 antibody-microarray validated should be determined by the researcher.

Immunogen

A recombinant human partial protein (amino acids 379-491) was used as the immunogen for the Desmoglein 3 antibody-microarray validated.

Storage

Store the Desmoglein 3 antibody at 2-8oC (with azide) or aliquot and store at -20oC or colder (without azide).

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