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3, 3′, 5-Triiodo-L-thyronine affects polarity proteins of bovine Sertoli cells via WT1/non-canonical Wnt signaling pathway
Theriogenology ( IF 2.8 ) Pub Date : 2020-05-01 , DOI: 10.1016/j.theriogenology.2020.02.034
Xue Wang 1 , S O Adeniran 1 , Ziming Wang 1 , Xiaoyu Li 1 , Fushuo Huang 1 , Mingjun Ma 1 , Zhongfeng Xu 1 , Peng Zheng 1 , Guixue Zhang 1
Affiliation  

To determine the role of 3, 3', 5-triiodo-L thyroxine (T3) in the differentiation of Sertoli cells (SCs) and the factors influencing maturity via the Wilms' tumor 1 (WT1)/non-canonical Wnt signaling pathway, high purity SCs were isolated from newborn calves' testes and cultured in vitro. The SCs were stimulated with T3, and co-treated with short interference (si) RNA to knockdown endogenous WT1 and non-canonical Wnt signalling inhibitor Wnt-c59. Our results suggested that the addition of different concentrations (0, 25, 50, and 100 nM) of T3 in the culture medium changed the expression of KRT-18 (SCs immature marker) and accelerated the differentiation of SCs. T3 (100 nM) treatment induced up-regulated expression of WT1 over time (p < 0.05), while the expression of polarity proteins (Par3, Par6b, and E-cadherin) and Wnt4 were affected to varying degrees (p < 0.05). SCs were treated simultaneously with T3 + Wnt-c59 and T3 + WT1 siRNA, and the results showed that T3 could affect the expression of polarity proteins via WT1/non-canonical Wnt signaling pathway. These data put together indicate that T3 plays a dependent role in the induction of bovine SCs differentiation via WT1/non-canonical Wnt signaling pathway in vitro. This study proposes for the first time that WT1 is a major target for T3.

中文翻译:

3, 3', 5-Triiodo-L-thyronine 通过 WT1/non-canonical Wnt 信号通路影响牛支持细胞的极性蛋白

为了确定 3, 3', 5-triiodo-L 甲状腺素 (T3) 在支持细胞 (SC) 分化中的作用以及通过 Wilms 肿瘤 1 (WT1)/非经典 Wnt 信号通路影响成熟的因素,从新生小牛的睾丸中分离出高纯度的 SCs 并进行体外培养。SCs 用 T3 刺激,并用短干扰 (si) RNA 共同处理以击倒内源性 WT1 和非经典 Wnt 信号抑制剂 Wnt-c59。我们的结果表明,在培养基中添加不同浓度(0、25、50 和 100 nM)的 T3 会改变 KRT-18(SCs 未成熟标记物)的表达并加速 SCs 的分化。随着时间的推移,T3 (100 nM) 处理诱导 WT1 的表达上调(p < 0.05),而极性蛋白(Par3、Par6b、和 E-钙粘蛋白)和 Wnt4 受到不同程度的影响(p < 0.05)。SCs同时用T3+Wnt-c59和T3+WT1 siRNA处理,结果表明T3可以通过WT1/非经典Wnt信号通路影响极性蛋白的表达。这些数据综合起来表明,T3 在体外通过 WT1/非经典 Wnt 信号通路诱导牛 SCs 分化中起依赖性作用。本研究首次提出 WT1 是 T3 的主要目标。这些数据综合起来表明,T3 在体外通过 WT1/非经典 Wnt 信号通路诱导牛 SCs 分化中起依赖性作用。本研究首次提出 WT1 是 T3 的主要目标。这些数据加在一起表明,T3 在体外通过 WT1/非经典 Wnt 信号通路诱导牛 SCs 分化中起依赖性作用。本研究首次提出 WT1 是 T3 的主要目标。
更新日期:2020-05-01
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