Αρχειοθήκη ιστολογίου

Δευτέρα 21 Ιανουαρίου 2019

MiR‐744‐3p regulates keratinocyte proliferation and differentiation via targeting KLLN in psoriasis

Abstract

Psoriasis is a chronic inflammatory disease and microRNAs have been reported to regulate the pathogenesis of psoriasis. Up‐regulated miR‐744‐3p level was identified to associate with psoriasis while the precise functions of miR‐744‐3p in psoriasis were not well‐elucidated. We first confirmed the up‐regulation of miR‐744‐3p in psoriasis by measuring the its expression level in psoriatic samples. We explored the roles of miR‐744‐3p on keratinocytes proliferation and differentiation. We searched the targets of miR‐744‐3p and evaluated the roles of one target, KLLN on keratinocytes proliferation and differentiation. We confirmed the up‐regulation of miR‐744‐3p in psoriatic samples. MiR‐744‐3p promoted keratinocytes proliferation while inhibited differentiation. MiR‐744‐3p targeted KLLN and overexpression of miR‐744‐3p resulted in decreased expression of KLLN. Overexpression of KLLN prevented the effects of miR‐744‐3p on keratinocytes proliferation and differentiation. MiR‐744‐3p regulated the proliferation and differentiation of keratinocytes through targeting KLLN in psoriasis.

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