Paper Information

Journal:   INTERNATIONAL JOURNAL OF REPRODUCTIVE BIOMEDICINE (IRANIAN JOURNAL OF REPRODUCTIVE MEDICINE)   April 2017 , Volume 15 , Number 4; Page(s) 209 To 216.
 
Paper: 

Leukemia inhibitory factor increases the proliferation of human endometrial stromal cells and expression of genes related to pluripotency

 
 
Author(s):  SALEHNIA MOJDEH*, FAYAZI MEHRI, Ehsani Shokreya
 
* Anatomy Department, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
 
Abstract: 
Background: Concerning the low population of human endometrial mesenchymal cells within the tissue and their potential application in the clinic and tissue engineering, some researches have been focused on their in vitro expansion. Objective: The aim of this study was to evaluate the effect of leukemia inhibitory factor (LIF) as a proliferative factor on the expansion and proliferation of human endometrial stromal cells. Materials and Methods: In this experimental study, the isolated and cultured human endometrial stromal cells from women at ovulatory phase aged 20-35 years, after fourth passage were divided into control and LIF-treated groups. In the experimental group, the endometrial cells were treated by 10 ng/ml LIF in culture media and the cultured cells without adding LIF considered as control group. Both groups were evaluated and compared for proliferation rate using MTT assay, for CD90 marker by flow cytometric analysis and for the expression of Oct4, Nanog, PCNA and LIFr genes using real-time RT-PCR. Results: The proliferation rate of control and LIF-treated groups were 1. 17± 0. 17 and 1. 61± 0. 06 respectively and there was a significant increase in endometrial stromal cell proliferation following in vitro treatment by LIF compared to control group (p=0. 049). The rate of CD90 positive cells was significantly increased in LIFtreated group (98. 96± 0. 37%) compared to control group (94. 26± 0. 08%) (p=0. 0498). Also, the expression ratio of all studied genes was significantly increased in the LIFtreated group compared to control group (p=0. 0479). Conclusion: The present study showed that LIF has a great impact on proliferation, survival, and maintenance of pluripotency of human endometrial stromal cells and it could be applicable in cell therapies.
 
Keyword(s): Endometrium,Cell proliferation,Gene expression,Leukemia inhibitory factor,Stromal cells
 
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