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2016 ; 7
(2
): 1516-28
Nephropedia Template TP
gab.com Text
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English Wikipedia
The anti-tumor NC1 domain of collagen XIX inhibits the FAK/ PI3K/Akt/mTOR
signaling pathway through ?v?3 integrin interaction
#MMPMID26621838
Oudart JB
; Doué M
; Vautrin A
; Brassart B
; Sellier C
; Dupont-Deshorgue A
; Monboisse JC
; Maquart FX
; Brassart-Pasco S
; Ramont L
Oncotarget
2016[Jan]; 7
(2
): 1516-28
PMID26621838
show ga
Type XIX collagen is a minor collagen associated with basement membranes. It was
isolated for the first time in a human cDNA library from rhabdomyosarcoma and
belongs to the FACITs family (Fibril Associated Collagens with Interrupted Triple
Helices). Previously, we demonstrated that the NC1 domain of collagen XIX
(NC1(XIX)) exerts anti-tumor properties on melanoma cells by inhibiting their
migration and invasion. In the present work, we identified for the first time the
integrin ?v?3 as a receptor of NC1(XIX). Moreover, we demonstrated that NC1(XIX)
inhibits the FAK/PI3K/Akt/mTOR pathway, by decreasing the phosphorylation and
activity of the major proteins involved in this pathway. On the other hand,
NC1(XIX) induced an increase of GSK3? activity by decreasing its degree of
phosphorylation. Treatments targeting this central signaling pathway in the
development of melanoma are promising and new molecules should be developed.
NC1(XIX) seems to have the potential for the design of new anti-cancer drugs.
|*Signal Transduction/drug effects
[MESH]
|3-Phosphoinositide-Dependent Protein Kinases/metabolism
[MESH]