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TRP-2 mediates coat color pigmentation in sheep skin

机译:TRP-2介导绵羊皮肤的毛色着色

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摘要

Tyrosinase-related protein 2 (TRP-2) is one of the most important members of the tyrosinase family, and is a key enzyme involved in melanin biosynthesis. In the present study, a skin transcriptome profile, immunohistochemistry, western blotting and reverse transcription-quantitative polymerase chain reaction were used to investigate TRP-2 expression in sheep with different coat colors, namely, black, white and black-white. TRP-2 was overexpressed in melanocytes in order to study the effect of TRP-2 on melanin production. Results revealed differing TRP-2 levels in sheep of different coat colors and in various parts of the coat with different colors in the same sheep. TRP-2 expression levels in dark-colored areas were significantly increased compared with light-colored areas in piebald sheep. TRP-2 overexpression may regulate melanogenesis and significantly increase melanogenesis associated transcription factor expression in vitro. Therefore, TRP-2 may affect melanin production in sheep, and different expression levels determine coat color. The results may provide novel approaches for developing therapeutic strategies for skin diseases associated with pigmentation disorders.
机译:酪氨酸酶相关蛋白2(TRP-2)是酪氨酸酶家族中最重要的成员之一,并且是参与黑色素生物合成的关键酶。在本研究中,通过皮肤转录组概况,免疫组织化学,蛋白质印迹和逆转录定量聚合酶链反应来研究TRP-2在具有不同外衣颜色(即黑色,白色和黑白)的绵羊中的表达。为了研究TRP-2对黑色素生成的影响,TRP-2在黑素细胞中过表达。结果表明,同一只羊的不同皮毛颜色的绵羊和不同颜色的皮毛的不同部位的TRP-2水平不同。与花斑绵羊的浅色区域相比,深色区域的TRP-2表达水平显着增加。 TRP-2过表达可能在体外调节黑色素生成并显着增加黑色素生成相关的转录因子表达。因此,TRP-2可能影响绵羊黑色素的产生,并且不同的表达水平决定了毛色。结果可能为开发与色素沉着症相关的皮肤疾病的治疗策略提供新颖的方法。

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