" /> Junction Plakoglobin - CISMeF





Preferred Label : Junction Plakoglobin;

NCIt synonyms : Plakoglobin; Desmoplakin III; Gamma Catenin; Gamma-Catenin; JUP; DP III; Desmoplakin-3; Catenin Gamma;

NCIt definition : Junction plakoglobin (744 aa, 82 kDa) is encoded by the human JUP gene. This protein is involved in adherens junction assembly.;

NCIt note : Plakoglobin (gamma-Catenin) is a major soluble and membrane-associated cytoplasmic protein common to desmosomes and intermediate junctions. It associates with the cytoplasmic region of Desmoglein I and mediates the connection of cadherins to actin filaments and to other transmembrane and peripheral cytoplasmic proteins in epithelial adherens junctions. The cadherin-catenin complex interacts with EGFR; beta-Catenin and Plakoglobin are tyrosine phosphorylated by activated EGFR. APC binds to and regulates beta- and gamma-Catenin. Homologues of Drosophila armadillo, beta-Catenin and gamma-Catenin have analogous structures and functions in cell adhesion and the WNT signaling pathway. Several mutations of gamma-Catenin have transforming activity dependent on TCF/LEF and c-MYC function. Beta- and gamma-Catenin may have distinct roles in WNT signaling via differential effects on downstream target genes.;

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12/05/2024


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