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- Tel: 858.663.9055
- Email: info@nsjbio.com
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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.
Optimal dilution of the Desmoglein 3 antibody-microarray validated should be determined by the researcher.
A recombinant human partial protein (amino acids 379-491) was used as the immunogen for the Desmoglein 3 antibody-microarray validated.
Store the Desmoglein 3 antibody at 2-8oC (with azide) or aliquot and store at -20oC or colder (without azide).
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