2026-06-14T06:44:12Zhttps://repisalud.isciii.es/rest/oai/requestoai:repisalud.isciii.es:20.500.12105/74292024-11-30T01:15:55Zcom_20.500.12105_2173com_20.500.12105_2051col_20.500.12105_19597
Repisalud
author
Quintanal-Villalonga, Alvaro
author
Carranza-Carranza, Andrés
author
Meléndez, Ricardo
author
Ferrer, Irene
author
Molina-Pinelo, Sonia
author
Paz Ares, Luis Gonzaga
funder
Instituto de Salud Carlos III
funder
Fundación Mutua Madrileña
funder
Asociación Española Contra el Cáncer
funder
Regional Government of Andalusia (España)
2019-04-02T11:15:31Z
2019-04-02T11:15:31Z
2017-06-18
Clin Lung Cancer. 2017;18(6):667-674.
10.1016/j.cllc.2017.05.008
1938-0690
15257304
Clinical lung cancer
28583379
http://hdl.handle.net/20.500.12105/7429
BACKGROUND: The identification of prognostic biomarkers for lung squamous-cell carcinoma (SCC) pathology is crucial because of its poor prognosis. A variant of the FGFR4 (fibroblast growth factor receptor 4) gene, FGFR4-388Arg, has been associated with prognosis and is linked to oncogenesis in vitro in several types of cancer. We analyzed the association of this variant with prognosis and downstream signaling alteration in lung SCC patients. METHODS: The presence of the FGFR4-388Arg variant was determined in 114 formalin-fixed, paraffin-embedded lung SCC tissue samples by DNA genotyping and was correlated with clinicopathologic data. The activation of the protein kinase B (AKT) and mitogen-activated protein kinase (MAPK) pathways was determined by immunohistochemistry, and its association with the presence of FGFR4-388Arg was analyzed. RESULTS: We found that tumor differentiation status and adjuvant chemotherapy administration could be independent prognostic factors for overall survival (OS) in lymph node-affected patients, as expected. The progression-free survival and OS of patients with lymph node involvement (n = 41) and the FGFR4-388Arg genotype were significantly lower than those of patients lacking this variant (P = .035 and P = .042, respectively). Importantly, multivariate analysis supported the independent prognostic role of the FGFR4-388Arg genotype in OS (P = .025). Regarding downstream signaling, the FGFR4-388Arg genotype was not correlated with altered AKT signaling but was associated with increased MAPK activation in the SCC tumor samples (P = .017). CONCLUSION: The FGFR4-388Arg variant may represent a promising prognostic biomarker in SCC patients with lymph node involvement. For these patients, FGFR4 may be a potential therapeutic target.
eng
Biomarker
Lung squamous cell carcinoma
MAPK
Prognosis
rs351855
Prognostic Role of the FGFR4-388Arg Variant in Lung Squamous-Cell Carcinoma Patients With Lymph Node Involvement
journal article
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https://repisalud.isciii.es/bitstreams/f88c67d7-6ca7-46a3-bbae-62967e1910ac/download
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PrognosticRoleoftheFGFR4-388_2017.pdf
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https://repisalud.isciii.es/bitstreams/60bb897f-992c-4d85-8339-dd5da069ab1c/download
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PrognosticRoleoftheFGFR4-388_2017.pdf.txt