Effect of Clcn3 knockout on parenchymal organs in young mice
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1.Institute of Genetics and Developmental Biology of Translational Medicine Institute,Xi’an Jiaotong University, Xi’an 710100, China. 2. Department of Pathology of Basic Medicine College, Xi’an Jiaotong University, Xi’an 710061. 3. Lishui University, Lishui 323000. 4. Department of Clinical Laboratory of Gaoling District Hospital in Xi’an, Xi’an 710299

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    Abstract:

    目的 探究 Clcn3 敲除对幼龄小鼠实质器官发育的影响,为 Clcn3 基因敲除动物应用提供理论参考。 方法 PCR 鉴定 FVB 小鼠基因型:野生型(Clcn3+ / + )、杂合子(Clcn3+ / -)及纯合子(Clcn3- / - );小鼠 3 周龄时,采集心、肝、脾、肺、肾和脑等主要实质器官并拍照,利用 Image J 软件测量其投影面积;中性福尔马林溶液固定各实质器官,石蜡切片进行 HE 染色,全切片利用全自动数字病理扫描分析系统扫描后观察器官细微结构。 结果Clcn3+ / +Clcn3+ / -小鼠相比,Clcn3- / -小鼠体重显著降低(P< 0.05);Clcn3 缺失会显著降低小鼠心、肝、脾、肺及肾的体积(P< 0.05),但不会影响小鼠脑的大小(P> 0.05);HE 染色显示,Clcn3- / -小鼠各实质器官组织结构未见异常,实质细胞体积相对较小。 结论 Clcn3 敲除导致幼龄小鼠的实质器官减小,未对幼龄小鼠实质器官产生明显病理损伤。

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History
  • Received:October 14,2021
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  • Online: July 25,2022
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