Expression of Wnt5a during development of anorectal malformations in a rat model of prenatal exposure to di(n-butyl) phthalate

Expression of Wnt5a during development of anorectal malformations in a rat model of prenatal exposure to di(n-butyl) phthalate
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邻苯二甲酸二正丁酯产前暴露大鼠肛门直肠畸形发育过程中 Wnt5a 的表达

DOI:
10.3109/15376516.2014.932037
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发表时间:
2014-06
影响因子:
3.2
通讯作者:
Jiang Jun-Tao
Jiang Jun-Tao
中科院分区:
医学4区
文献类型:
--
作者:
Li En-Hui;Han Bang-Min;Sun Wen-Lan;Liang Sheng-Jie;Xia Shu-Jie;Jiang Jun-Tao

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越来越多的证据表明Wnt 5a在胚胎发育包括肠道发育中起着重要作用。然而,Wnt5a参与肛门直肠畸形(ARMs)的过程仍不清楚。在这项研究中,我们研究了Wnt5a的表达在ARMs的发展过程中的后代的二(正丁基)邻苯二甲酸酯(DBP)处理的怀孕大鼠。在新生期,在ARM后代、非ARM同窝仔和对照的末端直肠中评价Wnt5a表达。采用实时荧光定量PCR、免疫印迹分析和免疫组化方法,我们发现DBP诱导的ARMs大鼠Wnt5a表达显著降低。总的来说,我们的研究结果表明,在肛门直肠发育过程中,Wnt5a的异常表达,这表明,Wnt5a可能参与DBP诱导的ARM。
Abstract Mounting evidence has indicated the crucial role of Wnt5a in the embryonic development including guts. However, the Wnt5a involvement in the process of anorectal malformations (ARMs) remains unclear. In this study, we examined the expression of Wnt5a during ARMs development in the offspring of di(n-butyl) phthalate (DBP)-treated pregnant rats. During the neonatal period, Wnt5a expression was evaluated in the terminal rectum of ARM offspring, non-ARM littermates and controls. Using real-time polymerase chain reaction (real-time PCR), western-blot analysis and immunohistochemistry approaches, we found a significant decrease of Wnt5a expression in DBP-induced ARMs rats. Collectively, our results demonstrate the aberrant expression of Wnt5a during anorectal development, which suggests that Wnt5a might be involved in DBP-induced ARMs.
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