Tata Memorial Center Kharghar Node

Navi Mumbai, India

Tata Memorial Center Kharghar Node

Navi Mumbai, India

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Sehgal L.,Tata Memorial Center Kharghar Node | Sehgal L.,University of Houston | Mukhopadhyay A.,Tata Memorial Center Kharghar Node | Rajan A.,Tata Memorial Center Kharghar Node | And 17 more authors.
Journal of Cell Science | Year: 2014

The regulation of cell-cell adhesion is important for the processes of tissue formation and morphogenesis. Here, we report that loss of 14-3-3γ leads to a decrease in cell-cell adhesion and a defect in the transport of plakoglobin and other desmosomal proteins to the cell border in HCT116 cells and cells of the mouse testis. 14-3-3γ binds to plakoglobin in a PKCμ-dependent fashion, resulting in microtubule-dependent transport of plakoglobin to cell borders. Transport of plakoglobin to the border is dependent on the KIF5B- KLC1 complex. Knockdown of KIF5B in HCT116 cells, or in the mouse testis, results in a phenotype similar to that observed upon 14-3-3γ knockdown. Our results suggest that loss of 14-3-3γ leads to decreased desmosome formation and a decrease in cell-cell adhesion in vitro, and in the mouse testis in vivo, leading to defects in testis organization and spermatogenesis. © 2014. Published by The Company of Biologists Ltd.

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