Single-cell RNA sequencing reveals the intercellular crosstalk and the regulatory landscape of stromal cells during the whole life of the mouse ovary
Wan Jiang , Wenya Sun , Yue Peng , Hao Xu , Haonan Fan , Xin Jin , Yue Xiao , Yuxiang Wang , Pin Yang , Wenjie Shu , Jing Li
Life Medicine ›› 2024, Vol. 3 ›› Issue (6) : lnae041
Single-cell RNA sequencing reveals the intercellular crosstalk and the regulatory landscape of stromal cells during the whole life of the mouse ovary
The heterogeneity of ovarian mesenchymal/stromal cells has just been revealed in both mice and humans. However, it remains unclear about the cellular development trace and the intercellular communication network in the whole life of the ovary. In the study, we integrated ours and published single-cell RNA sequencing data from E11.5 (embryonic day 11.5) until M12 (12-month-old) ovaries to show the dynamics of somatic cells along the developmental timeline. The intercellular crosstalk among somatic cell types was depicted with collagen signaling pathway as the most outgoing signals from stromal cells. We identified mesenchymal progenitor cells (CD24+) as the origin of stromal cells. Although their numbers decreased significantly in adults, the cells served as the major signal sender until ovarian senescence. Moreover, the ovarian injury could activate these stem cells and induce stroma remodeling in the aged ovary. Thus, mesenchymal progenitor cells may represent a new strategy to delay ovarian aging in the future.
single-cell RNA sequencing / intercellular crosstalk / ovarian aging / stromal cell / mouse ovary
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The Author(s). Published by Oxford University Press on behalf of Higher Education Press.
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