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A single-cell gene expression atlas of human follicular aspirates: Identification of leukocyte subpopulations and their paracrine factors
- Choi, Y. H. (author)
- Jeon, H. (author)
-
- Brännström, Mats, 1958 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för obstetrik och gynekologi,Institute of Clinical Sciences, Department of Obstetrics and Gynecology
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- Akin, J. W. (author)
- Curry, T. E. (author)
- Jo, M. S. (author)
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- (creator_code:org_t)
- 2023
- 2023
- English.
- In: Faseb Journal. - 0892-6638. ; 37:4
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Leukocytes are in situ regulators critical for ovarian function. However, little is known about leukocyte subpopulations and their interaction with follicular cells in ovulatory follicles, especially in humans. Single-cell RNA sequencing (scRNA-seq) was performed using follicular aspirates obtained from four IVF patients and identified 13 cell groups: one granulosa cell group, one thecal cell group, 10 subsets of leukocytes, and one group of RBC/platelet. RNA velocity analyses on five granulosa cell populations predicted developmental dynamics denoting two projections of differentiation states. The cell type-specific transcriptomic profiling analyses revealed the presence of a diverse array of leukocyte-derived factors that can directly impact granulosa cell function by activating their receptors (e.g., cytokines and secretory ligands) and are involved in tissue remodeling (e.g., MMPs, ADAMs, ADAMTSs, and TIMPs) and angiogenesis (e.g., VEGFs, PGF, FGF, IGF, and THBS1) in ovulatory follicles. Consistent with the findings from the scRNA-seq data, the leukocyte-specific expression of CD68, IL1B, and MMP9 was verified in follicle tissues collected before and at defined hours after hCG administration from regularly cycling women. Collectively, this study demonstrates that this data can be used as an invaluable resource for identifying important leukocyte-derived factors that promote follicular cell function, thereby facilitating ovulation and luteinization in women.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Cell- och molekylärbiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Cell and Molecular Biology (hsv//eng)
Keyword
- human
- leukocytes
- ovulation
- ovulatory follicles
- RNA velocity
- single-cell RNA sequencing
- necrosis-factor-alpha
- granulosa-cells
- chorionic-gonadotropin
- preovulatory follicle
- ovulatory process
- corpus-luteum
- growth-factor
- human ovary
- progesterone
- transcriptome
- Biochemistry & Molecular Biology
- Life Sciences & Biomedicine - Other
- Topics
- Cell Biology
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Jeon, H.
- Brännström, Mats ...
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- Curry, T. E.
- Jo, M. S.
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