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Frontiers of Medicine ; (4): 717-725, 2018.
Artículo en Inglés | WPRIM | ID: wpr-772714

RESUMEN

Psoriasis (Ps) is an inflammatory skin disease caused by genetic and environmental factors. Previous studies on DNA methylation (DNAm) found genetic markers that are closely associated with Ps, and evidence has shown that DNAm mediates genetic risk in Ps. In this study, Consensus Clustering was used to analyze DNAm data, and 114 Ps patients were divided into three subclassifications. Investigation of the clinical characteristics and copy number variations (CNVs) of DEFB4, IL22, and LCE3C in the three subclassifications revealed no significant differences in gender ratio and in Ps area and severity index (PASI) score. The proportion of late-onset ( ≥ 40 years) Ps patients was significantly higher in type I than in types II and III (P = 0.035). Type III contained the smallest proportion of smokers and the largest proportion of non-smoking Ps patients (P = 0.086). The CNVs of DEFB4 and LCE3C showed no significant differences but the CNV of IL22 significantly differed among the three subclassifications (P = 0.044). This study is the first to profile Ps subclassifications based on DNAm data in the Chinese Han population. These results are useful in the treatment and management of Ps from the molecular and genetic perspectives.


Asunto(s)
Adolescente , Adulto , Anciano , Niño , Femenino , Humanos , Masculino , Persona de Mediana Edad , Adulto Joven , Pueblo Asiatico , Genética , Estudios de Casos y Controles , China , Proteínas Ricas en Prolina del Estrato Córneo , Genética , Variaciones en el Número de Copia de ADN , Metilación de ADN , Predisposición Genética a la Enfermedad , Interleucinas , Genética , Psoriasis , Clasificación , Genética , Factores de Riesgo , beta-Defensinas , Genética
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