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2007 ; 11
(5
): 969-80
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Integrin regulation of caveolin function
#MMPMID17979878
Salanueva IJ
; Cerezo A
; Guadamillas MC
; del Pozo MA
J Cell Mol Med
2007[Sep]; 11
(5
): 969-80
PMID17979878
show ga
Caveolae are unique organelles that are found in the plasma membrane of many cell
types. They participate in various processes such as lipid recycling, cellular
signalling and endocytosis. A variety of signalling molecules localize to
caveolae in response to various stimuli, providing a potential mechanism for the
spatial regulation of signal transduction pathways. Caveolin-1, a constitutive
protein of caveolae, has been implicated in the regulation of cell growth, lipid
trafficking, endocytosis and cell migration. Phosphorylation of caveolin-1 on Tyr
14 is involved in integrin-regulated caveolae trafficking and also in signalling
at focal adhesions in migrating cells. In this review, we focus on recent studies
that describe the role of caveolin-1 in integrin signal transduction, and how
this interplay links extracellular matrix anchorage to cell proliferation,
polarity and directional migration.