http://www.cnr.it/ontology/cnr/individuo/prodotto/ID21326
The cross-talk between the urokinase receptor and fMLP receptors regulates the activity of the CXCR4 chemokine receptor. (Articolo in rivista)
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- Label
- The cross-talk between the urokinase receptor and fMLP receptors regulates the activity of the CXCR4 chemokine receptor. (Articolo in rivista) (literal)
- Anno
- 2010-01-01T00:00:00+01:00 (literal)
- Alternative label
Montuori N, Bifulco K, Carriero MV, La Penna C, Visconte V, Alfano D, Pesapane A, Rossi FW, Salzano S, Rossi G, Ragno P. (2010)
The cross-talk between the urokinase receptor and fMLP receptors regulates the activity of the CXCR4 chemokine receptor.
in Cellular and molecular life sciences (Print. ed.)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Montuori N, Bifulco K, Carriero MV, La Penna C, Visconte V, Alfano D, Pesapane A, Rossi FW, Salzano S, Rossi G, Ragno P. (literal)
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Titolo
- The cross-talk between the urokinase receptor and fMLP receptors regulates the activity of the CXCR4 chemokine receptor. (literal)
- Abstract
- The receptor (CXCR4) for the stromal-derived factor-1 (SDF1) and the urokinase-receptor (uPAR) are up-regulated in various tumors. We show that CXCR4-transfected cells migrate toward SDF1 on collagen (CG) and do not on vitronectin (VN). Co-expression of cell-surface uPAR, which is a VN receptor, impairs SDF1-induced migration on CG and allows migration on VN. Blocking fMLP receptors (fMLP-R), alpha-v integrins or the uPAR region capable to interact with fMLP-Rs, impairs migration of uPAR/CXCR4-transfected cells on VN and restores their migration on CG. uPAR co-expression also reduces the adherence of CXCR4-expressing cells to various components of the extracellular matrix (ECM) and influences the partitioning of beta1 and alpha-v integrins to membrane lipid-rafts, affecting ECM-dependent signaling. uPAR interference in CXCR4 activity has been confirmed in cells from prostate carcinoma. Our results demonstrate that uPAR expression regulates the adhesive and migratory ability of CXCR4-expressing cells through a mechanism involving fMLP receptors and alpha-v integrins.
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