Rictor/mTORC2在小鼠胚胎植入中的作用

被引:3
|
作者
文乙先
耿艳清
张悦
翟婧玮
刘学庆
机构
[1] 重庆医科大学公共卫生与管理学院生殖生物学实验室教育部生殖与发育国际合作联合实验室
关键词
子宫内膜; 胚胎植入; Rictor; 条件性基因敲除;
D O I
10.13406/j.cnki.cyxb.002165
中图分类号
R346 [];
学科分类号
摘要
目的:通过研究mTOR配体之一——Rictor基因在早孕小鼠中的表达规律,以及对胚胎植入的影响,为最终阐明其在胚胎植入中的作用和相关机制奠定基础。方法:构建小鼠早孕和子宫内膜条件敲除Rictor基因的动物模型。结果:免疫组化结果表明,Rictor基因在小鼠早孕期D1至D4表达于腔和腺上皮,以及胚胎植入后着床点附近的蜕膜组织区。成功繁殖了基因型为Rictorfl/flCre+/-的条件性敲除小鼠。免疫组化、Western blot及RT-qPCR结果表明小鼠子宫中Rictor表达降低,提示Rictor子宫条件敲除小鼠模型构建成功。相比对照鼠,敲除鼠的子宫体积和重量都明显降低(P<0.01);敲除鼠孕5 d子宫外观显示无可见胚胎植入位点,且腔上皮细胞中增生标志物Ki67和子宫内膜容受性标志物MUC1表达均升高。结论:子宫内膜条件敲除Rictor后,由于容受性的降低导致胚胎的植入率明显下降。
引用
收藏
页码:722 / 727
页数:6
相关论文
共 11 条
  • [1] 条件性基因敲除动物及其在毒理学研究领域的应用进展
    胡红
    李子南
    郑珊
    敬海明
    冯颖
    尤育洲
    李国君
    宁钧宇
    [J]. 实验动物科学, 2018, 35 (02) : 79 - 84
  • [2] 胚胎植入的研究进展:从基础到临床
    张颖
    吴金香
    王海滨
    [J]. 中国实用妇科与产科杂志, 2017, 33 (11) : 1117 - 1121
  • [3] Polycomb subunit BMI1 determines uterine progesterone responsiveness essential for normal embryo implantation
    Xin, Qiliang
    Kong, Shuangbo
    Yan, Junhao
    Qiu, Jingtao
    He, Bo
    Zhou, Chan
    Ni, Zhangli
    Bao, Haili
    Huang, Lin
    Lu, Jinhua
    Xia, Guoliang
    Liu, Xicheng
    Chen, Zi-Jiang
    Wang, Chao
    Wang, Haibin
    [J]. JOURNAL OF CLINICAL INVESTIGATION, 2018, 128 (01): : 175 - 189
  • [4] mTOR Signaling in Growth, Metabolism, and Disease[J] . Robert A. Saxton,David M. Sabatini. Cell . 2017 (2)
  • [5] Insights from imaging the implanting embryo and the uterine environment in three dimensions
    Arora, Ripla
    Fries, Adam
    Oelerich, Karina
    Marchuk, Kyle
    Sabeur, Khalida
    Giudice, Linda C.
    Laird, Diana J.
    [J]. DEVELOPMENT, 2016, 143 (24): : 4749 - 4754
  • [6] mTOR/P70S6K promotes spermatogonia proliferation and spermatogenesis in Sprague Dawley rats[J] . Hao Xu,Lianju Shen,Xuemei Chen,Yubin Ding,Junlin He,Jing Zhu,Yingxiong Wang,Xueqing Liu. Reproductive BioMedicine Online . 2015
  • [7] Rictor regulates FBXW7-dependent c-Myc and cyclin E degradation in colorectal cancer cells
    Guo, Zheng
    Zhou, Yuning
    Evers, B. Mark
    Wang, Qingding
    [J]. BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS, 2012, 418 (02) : 426 - 432
  • [8] Physiological and molecular determinants of embryo implantation[J] . Shuang Zhang,Haiyan Lin,Shuangbo Kong,Shumin Wang,Hongmei Wang,Haibin Wang,D. Randall Armant. Molecular Aspects of Medicine . 2012
  • [9] mTOR Signaling in Growth Control and Disease
    Laplante, Mathieu
    Sabatini, David M.
    [J]. CELL, 2012, 149 (02) : 274 - 293
  • [10] Ragulator-Rag Complex Targets mTORC1 to the Lysosomal Surface and Is Necessary for Its Activation by Amino Acids
    Sancak, Yasemin
    Bar-Peled, Liron
    Zoncu, Roberto
    Markhard, Andrew L.
    Nada, Shigeyuki
    Sabatini, David M.
    [J]. CELL, 2010, 141 (02) : 290 - 303