Transcriptomics

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Comprehensive analysis of lipid metabolism-related enzymes including ceramide in skin of psoriasis patients


ABSTRACT: Ceramide is an important lipid in skin barrier function. Psoriasis is a chronic inflammatory skin disease, and the skin barrier function has disturbed. Furthermore, the balance of each ceramide species in stratum corneum is disrupted in psoriatic skin. However, it involved remains unclear what detailed mechanism ceramide species changed in psoriatic skin lesion. We comprehensively investigated lipid metabolism including ceramide in skin of psoriasis patients by DNA microarray analysis. The expression level of PNPLA1 gene involved in acylceramide synthesis which is epidermis-specific ceramide species essential for skin barrier function was decreased in psoriatic skin. In contrast, the expression level of lipid metabolism-related enzymes gene including ceramide were increased in psoriatic skin. Consequently, the acylceramide synthesis was decreased in skin of psoriasis patients, suggesting that increased biosynthesis of other sphingolipids to supplement the function of acylceramide may cause the pathology of psoriasis.

ORGANISM(S): Homo sapiens

PROVIDER: GSE168640 | GEO | 2024/03/16

REPOSITORIES: GEO

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