Journal
FASEB JOURNAL
Volume 36, Issue 3, Pages -Publisher
WILEY
DOI: 10.1096/fj.202101579R
Keywords
infertility; single-cell RNA sequencing; thin endometrium; transcriptome
Categories
Funding
- Research Program of Medicine and Health of Zhejiang Province [2020KY414, 2020KY448]
- Zhejiang Provincial Key Laboratory for Precision Diagnoais & Treatment of Major Gynecological Diseases,Hangzhou, Zhejiang Province, P.R. China, Woman's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang Province, P.R. China [ZDFY2021-MGD/RH-0001]
- Bethune Foundation for Women's Health Research Project [X-J-2019-024]
- Zhejiang Provincal People's Hospital [ZRY2019B002]
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Infertility is a global social and medical problem, and thin endometrium (TE) poses a great challenge to infertility treatment. This study used single-cell RNA sequencing to construct a transcriptomic atlas and identified cellular and molecular heterogeneity in TE. Differential expressed genes (DEGs) were found to affect cell-type ratio and impair endometrial receptivity in TE.
Infertility is a social and medical problem around the world and the incidence continues to rise. Thin endometrium (TE) is a great challenge of infertility treatment, even by in vitro fertilization and embryo transfer. It is widely believed that TE impairs endometrium receptivity. However, only a few studies have explained the molecular mechanism. Herein, in order to reveal the possible mechanism, we sampled endometrium from a TE patient and a control volunteer and got a transcriptomic atlas of 18 775 individual cells which was constructed using single-cell RNA sequencing, and seven cell types have been identified. The cells were acquired during proliferative and secretory phases, respectively. The proportion of epithelial cells and stromal cells showed a significant difference between the TE group and the control group. In addition, differential expressed genes (DEGs) in diverse cell types were revealed, the enriched pathways of DEGs were found closely related to the protein synthesis in TE of both proliferative and secretory phases. Some DEGs can influence cell-type ratio and impaired endometrial receptivity in TE. Furthermore, divergent expression of estrogen receptors 1 and progesterone receptors in stromal and epithelial cells were compared in the TE sample from the control. The cellular and molecular heterogeneity found in this study provided valuable information for disclosing the mechanisms of impaired receptivity in TE.
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