Cytokine-Driven Mechanisms in Ovarian Function
Summary
The ovary is not merely a hormone-producing organ but an immunologically active microenvironment in which cytokines orchestrate each stage of follicular development, ovulation and luteal function. Local synthesis of interleukins, interferons and tumour-necrosis factors within granulosa and theca cells modulates cell proliferation, apoptosis and steroidogenesis through classical signalling cascades such as JAK–STAT, MAPK and PI3K–Akt. Chemokines further direct immune cell trafficking, supporting tissue remodelling at ovulation and corpus luteum formation. Disruption of these finely tuned networks is implicated in infertility, polycystic ovary syndrome and premature ovarian insufficiency. Advances in understanding cytokine–receptor interactions and downstream effectors have illuminated novel diagnostic markers in follicular fluid and suggested immunomodulatory approaches to enhance oocyte quality and luteal support. Integration of cytokine profiling with assisted-reproduction protocols promises to refine patient stratification and individualise therapeutic regimens, underscoring the global relevance of cytokine biology in reproductive medicine.
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Cytokine-Driven Mechanisms in Ovarian Function publication trend
The graph below shows the total number of articles in cytokine-driven mechanisms in ovarian function across all publications each year (not limited to Nature Index journals).
Technical terms
Cytokines: Small secreted proteins that mediate communication between immune and somatic cells.
Granulosa cells: Somatic cells lining the ovarian follicle that support oocyte growth and hormone production.
Folliculogenesis: The process by which ovarian follicles grow and mature from primordial stages to ovulation.
Steroidogenesis: Biochemical pathways within ovarian cells that synthesise steroid hormones such as oestrogens and progesterone.
JAK–STAT signalling: A pathway in which Janus kinases phosphorylate STAT transcription factors to regulate gene expression.
MAPK pathway: A cascade of mitogen-activated protein kinases that transduce extracellular signals into cellular responses.
Chemokine: A subset of cytokines that direct the migration of immune cells through concentration gradients.
Corpus luteum: A transient endocrine structure formed after ovulation that secretes progesterone to support early pregnancy.
Interferon gamma (IFNγ): A pro-inflammatory cytokine that activates macrophages and influences antigen presentation.
CXCL9/10/11: Chemokines induced by IFNγ that bind CXCR3 on T lymphocytes, guiding their recruitment to sites of inflammation.
References
- Effects of IL-11/IL-11 Receptor Alpha on Proliferation and Steroidogenesis in Ovarian Granulosa Cells of Dairy Cows. Cells (2023).
- Immunological Microenvironment Alterations in Follicles of Patients With Autoimmune Thyroiditis. Frontiers in Immunology (2021).
- Function of Follicular Cytokines: Roles Played during Maturation, Development and Implantation of Embryo. Medicina (2021).
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