Nupr1 mRNA在小鼠早期妊娠子宫中的表达

doi:10.16431/j.cnki.1671-7236.2018.10.033

Abstract

Abstract:

The test was aimed to study the expression of nuclear protein 1 (Nupr1) mRNA in mouse uterus during early pregnancy.The method of in situ hybridization was used to investigate Nupr1 mRNA expression in animal models that included early pregnancy,pseudopregnancy,delayed implantation and activation,artificial decidualization and hormonal treatments.The relative expression level of Nupr1 mRNA was detected in early pregnancy and pseudopregnancy using Real-time PCR.During mouse early pregnancy,the signal of Nupr1 mRNA was detected in luminal epithelium and glandular epithelium during the 1st to 4th day and in the decidua area during the 5th to 8th day.Nupr1 mRNA was mainly expressed in the luminal epithelium and glandular epithelium of mose uterus on the 1st to 5th day of pseudopregnancy.The signal was detected in luminal epithelium and glandular epithelium of the mouse uterus in the delayed implantation,which was similar to the results of early pregnancy on the 4th day.The signal was detected in decidua in the model of delayed activation,which was similar to the results of early pregnancy on the 5th day.The expression of Nupr1 mRNA in the model of artificial decidualization was detected in decidua area.In the control of artificial decidualization the slight signal appeared in luminal epithelium and glandular epithelium of the mouse uterus.After treated with oestrogen (E₂) the signal appeared in luminal epithelium and glandular epithelium of the mouse uterus,and the signal was enhanced.After treated with both of E₂ and progesterone (P₄), the expression of the signal was not changed significantly.Real-time PCR result showed that the relative expression on the 2nd day was higher than other days in early pregnancy and pseudopregnancy.The results indicated that the expression of Nupr1 mRNA in mouse uterus was related to the process of mouse early pregnancy.The expression of signal in luminal epithelium and glandular epithelium of the mouse uterus might be regulated by hormones.Nupr1 mRNA expression in uterine stroma was associated with decidualization and active blastocysts.

Key words: Nupr1; embryo implantation; in situ hybridization; early pregnancy

CLC Number:

S857.2

LIU Zhenzhen, WANG Qiuji, DONG Xinyue, YANG Qixin, SHAN Chunhua. Expression of Nupr1 mRNA in Mouse Uterus During Early Pregnancy[J]. , 2018, 45(10): 2943-2950.

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Expression of Nupr1 mRNA in Mouse Uterus During Early Pregnancy

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