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Reprod Sci. 2018 Feb;25(2):292-301. doi: 10.1177/1933719117711263. Epub 2017 May 31.

Saponin Extracts Induced Apoptosis of Endometrial Cells From Women With Endometriosis Through Modulation of miR-21-5p.

Author information

1
1 Department of Obstetrics and Gynecology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
2
2 Department of Obstetrics and Gynecology, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.

Abstract

Among the several components in Korean red ginseng, the saponin components are known to have various pharmacologic activities. The objective of this study was to evaluate therapeutic effects of saponin extracts from Korean red ginseng on endometriosis and to identify microRNAs (miRNAs) associated with saponin treatment. This is an in vitro study which used human endometrial stromal cells (HESCs) obtained from patients who underwent laparoscopic surgery for endometriosis and other benign conditions. Human endometrial stromal cells were treated with saponin extracts, and microarray profiling was performed. Human endometrial stromal cells were then transfected with miRNAs identified in the profiling. After the saponin extract treatment, the expression of caspase 3 was significantly increased in HESCs. Microarray profiling revealed several miRNAs that were differentially expressed, and miR-21-5p was further validated. Expression of miR-21-5p was significantly upregulated in the endometrium of patients with endometriosis, compared with controls. Transfection of a miR-21-5p inhibitor significantly increased caspase 3 expression in HESCs. The apoptotic potential of saponin extracts and the miR-21-5p inhibitor were further validated in HESCs using flow cytometry analysis. In conclusions, treatment with saponin extracts significantly decreased the expression of miR-21-5p in HESCs from patients with endometriosis. Inhibition of miR-21-5p effectively increased the apoptotic potential of HESCs. These findings suggest that saponin extract treatment may have therapeutic potential for endometriosis via modulation of specific miRNAs.

KEYWORDS:

apoptosis; endometriosis; miR-21-5p; microRNA; saponin extracts

PMID:
28558522
DOI:
10.1177/1933719117711263
[Indexed for MEDLINE]

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