Por favor, use este identificador para citar o enlazar este Item:http://hdl.handle.net/20.500.12105/11119
Título
Expression of miR-135b in Psoriatic Skin and Its Association with Disease Improvement.
Autor(es)
Chicharro, Pablo | Rodríguez-Jiménez, Pedro | Llamas-Velasco, Mar | Montes, Nuria | Sanz-García, Ancor | Cibrián, Danay | Vara, Alicia | Gomez, Manuel J CNIC | Jiménez-Fernández, María | Martínez-Fleta, Pedro | Sánchez-García, Inés | Lozano-Prieto, Marta | Triviño, Juan C | Miñambres, Rebeca | Sanchez-Madrid, Francisco CNIC | de la Fuente, Hortensia CNIC | Dauden, Esteban
Fecha de publicación
2020-07-02
Cita
Cells. 2020; 9(7):E1603
Idioma
Inglés
Tipo de documento
journal article
Resumen
miRNAs have been associated with psoriasis since just over a decade. However, we are far from a complete understanding of their role during the development of this disease. Our objective was to characterize the cutaneous expression of miRNAs not previously described in psoriasis, the changes induced following the treatment with biologicals and their association with disease improvement. Next generation sequencing was performed from five skin samples from psoriasis patients (lesional and non-lesional skin) and five controls, and from this cohort, 12 microRNAs were selected to be analyzed in skin samples from 44 patients with plaque psoriasis. In 15 patients, an additional sample was obtained after three months of biological treatment. MiR-9-5p, miR-133a-3p and miR-375 were downregulated in the lesional skin of psoriasis patients. After treatment, expression of miR-133a-3p, miR-375, miR-378a and miR-135b in residual lesions returned towards the levels observed in non-lesional skin. The decrease in miR-135b levels after treatment with biologics was associated with both the improvement of patients evaluated through Psoriasis Area and Severity Index score and the decrease in local inflammatory response. Moreover, basal expression of miR-135b along with age was associated with the improvement of psoriasis, suggesting its possible usefulness as a prognostic biomarker.
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