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González-Vela, María del Carmen; Curiel-Olmo, Soraya; Derdak, Sophia; Beltran, Sergi; Santibañez, Miguel; Martínez, Nerea; Castillo-Trujillo, Alfredo; Gut, Martha; Sánchez-Pacheco, Roxana; Almaraz, Carmen; Cereceda, Laura; Llombart, Beatriz; Agraz-Doblas, Antonio; Revert-Arce, José; López Guerrero, José Antonio; Mollejo, Manuela; Marrón, Pablo Isidro; Ortiz-Romero, Pablo; Fernandez-Cuesta, Lynnette; Varela, Ignacio; Gut, Ivo; Cerroni, Lorenzo; Piris, Miguel Ángel; Vaqué, José Pedro
Journal of investigative dermatology, January 2017, 2017-01-00, 2017, Letnik: 137, Številka: 1Journal Article
Merkel cell carcinoma (MCC) is a highly malignant neuroendocrine tumor of the skin whose molecular pathogenesis is not completely understood, despite the role that Merkel cell polyomavirus can play in 55–90% of cases. To study potential mechanisms driving this disease in clinically characterized cases, we searched for somatic mutations using whole-exome sequencing, and extrapolated our findings to study functional biomarkers reporting on the activity of the mutated pathways. Confirming previous results, Merkel cell polyomavirus-negative tumors had higher mutational loads with UV signatures and more frequent mutations in TP53 and RB compared with their Merkel cell polyomavirus-positive counterparts. Despite important genetic differences, the two Merkel cell carcinoma etiologies both exhibited nuclear accumulation of oncogenic transcription factors such as NFAT or nuclear factor of activated T cells (NFAT), P-CREB, and P-STAT3, indicating commonly deregulated pathogenic mechanisms with the potential to serve as targets for therapy. A multivariable analysis identified phosphorylated CRE-binding protein as an independent survival factor with respect to clinical variables and Merkel cell polyomavirus status in our cohort of Merkel cell carcinoma patients.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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