A βPIX-PAK2 complex confers protection against Scrib-dependent and cadherin-mediated apoptosis
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During epithelial morphogenesis, a complex comprising the βPIX (PAK-interacting exchange factor β) and class I PAKs (p21-activated kinases) is recruited to adherens junctions. Scrib, the mammalian ortholog of the Drosophila polarity determinant and tumor suppressor Scribble, binds βPIX directly. Scrib is also targeted to adherens junctions by E-cadherin, where Scrib strengthens cadherin-mediated cell-cell adhesion. Although a role for the Scrib-βPIX-PAK signaling complex in promoting membrane protrusion at wound edges has been elucidated, a function for this complex at adherens junctions remains unknown.
Originalsprog | Engelsk |
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Tidsskrift | Current biology : CB |
Vol/bind | 22 |
Udgave nummer | 19 |
Sider (fra-til) | 1747-54 |
Antal sider | 8 |
DOI | |
Status | Udgivet - 9 okt. 2012 |
ID: 45826313