ArticleJournal of assisted reproduction and genetics2020
A paracrine interaction between granulosa cells and leukocytes in the preovulatory follicle causes the increase in follicular G-CSF levels.
Article in Journal of assisted reproduction and genetics, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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Who cites it
4 citing papers in PubMed, 13 citations in OpenAlex.
- New insights into the ovulatory process in the human ovary.Human reproduction update · 2025Review
- A single-cell gene expression atlas of human follicular aspirates: Identification of leukocyte subpopulations and their paracrine factors.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2023Article
- A Case-Control Study of Follicular Fluid Cytokine Profiles in Women with Diminished Ovarian Reserve.Reproductive sciences (Thousand Oaks, Calif.) · 2022Article
- Differential proteomic analysis demonstrates follicle fluid participate immune reaction and protein translation in yak.BMC veterinary research · 2022Article
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
Abstract
objectiveFollicular granulocyte colony-stimulating factor (G-CSF) is a new biomarker of oocyte quality and embryo implantation in in vitro fertilization (IVF) cycles. Its role in reproduction is poorly understood. Our study aimed to investigate the mechanisms and cells responsible for G-CSF production in the preovulatory follicle.
designLaboratory research study.
settingSingle-center study.
interventionsGranulosa cells and leukocytes were isolated from the follicular fluids (FF) or the blood of women undergoing IVF and from the blood of a control group of women with spontaneous ovulatory cycles to perform cocultures.
main outcome measureG-CSF-secreted protein was quantified in the conditioned media of cocultures.
resultsG-CSF secretion was considerably increased in cocultures of granulosa cells and leukocytes. This effect was maximal when leukocytes were isolated from the blood of women in the late follicular phase of the menstrual cycle or from the FF of women undergoing IVF. The leukocyte population isolated from the FF samples of women undergoing IVF had a higher proportion of granulocytes than that isolated from the corresponding blood samples. Leukocytes induced the synthesis and secretion of G-CSF by granulosa cells. Among a range of other FF cytokines/chemokines, only growth-regulated oncogene alpha (GROα) was also increased.
conclusionThe notable rise in G-CSF at the time of ovulation coincides with the accumulation of follicular granulocytes, which stimulate G-CSF production by granulosa cells via paracrine interactions. High follicular G-CSF concentrations may occur in follicles with optimal granulosa-leukocyte interactions, which could explain the increased implantation rate of embryos arising from these follicles.
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Registered trials
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