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TOB1 modulates the decidualization of human endometrial stromal cells via the Notch pathway.


ABSTRACT:

Background

Decidualization is critical for embryo implantation and the success of pregnancy; however, the mechanisms underlying this process remain largely unknown.

Materials and methods

In the present study, RNA sequencing was used to detect the expression levels of transducer of ERBB2/1(TOB1) in endometrial samples derived from proliferative and secretory phases. A decidualization model was induced using the combination of estrogen (E2) and progestin (P4) in human endometrial stromal cells (HESCs). The cell counting kit-8 assay was used to detect the viability of HESCs. Related proteins were detected by qPCR and western blot.

Result

The results indicated that TOB1 expression was upregulated in the secretory endometrial samples compared with the corresponding expression observed in the proliferative samples. The expression levels of TOB1 and Notch1 were markedly increased in E2P4-treated HESCs compared with those in the control cells. Treatment with E2P4 strongly suppressed the proliferation of HESCs and induced a G1-phase cell cycle arrest. These effects were abolished by knockdown of TOB1 or treatment with of the cells with the Notch inhibitor N-[N-(3,5-difluorophenacetyl)-1-alanyl]-S-phenylglycine t-butyl ester.

Conclusions

Therefore, these findings highlighted an important role for TOB1/Notch signaling in E2P4-induced decidualization in HESCs, which may provide novel targets for improving the endometrial receptivity.

SUBMITTER: Jiang Y 

PROVIDER: S-EPMC8581109 | biostudies-literature | 2021 Oct

REPOSITORIES: biostudies-literature

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Publications

TOB1 modulates the decidualization of human endometrial stromal cells via the Notch pathway.

Jiang Yaling Y   Yuan Xinhua X   Li Bing B   Liu Mingxing M   Shi Yu Y   Feng Jianhuai J   Zhou Hua H   Ou Miaoxian M   Huang Xiaozhen X  

Journal of assisted reproduction and genetics 20211031 10


<h4>Background</h4>Decidualization is critical for embryo implantation and the success of pregnancy; however, the mechanisms underlying this process remain largely unknown.<h4>Materials and methods</h4>In the present study, RNA sequencing was used to detect the expression levels of transducer of ERBB2/1(TOB1) in endometrial samples derived from proliferative and secretory phases. A decidualization model was induced using the combination of estrogen (E2) and progestin (P4) in human endometrial st  ...[more]

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