Abstract:
:The FGFR4-388Arg variant has been related to poor prognosis in several types of cancer, including lung cancer. The mechanism underlying this association has not been addressed in detail in patients with this pathology. Here, we report that this FGFR4 variant induces MAPK and STAT3 activation and causes pro-oncogenic effects in NSCLC in vitro and in vivo. This variant induces the expression of EMT-related genes, such as N-cadherin, vimentin, Snail1 and Twist1. Indeed, the induction of N-cadherin protein expression by this variant is essential for its pro-tumorigenic role. The presence of the FGFR4-388Arg variant correlates with higher N-cadherin expression levels in clinical NSCLC samples and with poorer outcome in patients with FGFR expression. These results support the prognostic role of this FGFR variant in lung cancer and show that these effects may be mediated by the induction of N-cadherin expression and an EMT phenotype.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Quintanal-Villalonga Á,Ojeda-Márquez L,Marrugal Á,Yagüe P,Ponce-Aix S,Salinas A,Carnero A,Ferrer I,Molina-Pinelo S,Paz-Ares Ldoi
10.1038/s41598-018-20570-3subject
Has Abstractpub_date
2018-02-05 00:00:00pages
2394issue
1issn
2045-2322pii
10.1038/s41598-018-20570-3journal_volume
8pub_type
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