ArticleInternational journal of molecular sciences2025
Interaction Between Thyroid Hormones and Bone Morphogenetic Proteins in the Regulation of Steroidogenesis by Granulosa Cells.
Article in International journal of molecular sciences, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Integrative Transcriptomic and Metabolomic Analysis Reveal Mechanisms Underlying Differential Fecundity in Yangtze River Delta White Goat.Animals : an open access journal from MDPI · 2026Article
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7 authors.
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Abstract
Thyroid hormones are fundamental regulators of cellular differentiation, development, and metabolism. Their receptors are expressed in reproductive tissues, including the ovary, and dysregulation of thyroid hormone homeostasis has been associated with menstrual disturbances, infertility, and adverse pregnancy outcomes. Bone morphogenetic protein (BMP) ligands and their receptors are functionally involved in gonadotropin-induced ovarian steroidogenesis in an autocrine or paracrine manner. In this study, we examined the effects of thyroid hormones on steroidogenesis and their interplay with BMP signaling by using human granulosa-like KGN cells and primary rat granulosa cells (GCs). In KGN cells, triiodothyronine (T3) enhanced forskolin-induced expression of key steroidogenic enzymes involved in both estradiol biosynthesis and progesterone synthesis/metabolism, whereas thyroxine (T4) exerted minimal effects. In rat GCs, T3 treatment increased follicle-stimulating hormone (FSH)-stimulated estradiol production without altering progesterone output. T3 pretreatment attenuated BMP-6-induced phosphorylation of Smad1/5/9 in KGN cells, accompanied by upregulation of inhibitory Smad6 and downregulation of the BMP type II receptor. Conversely, BMP-6 stimulation elevated thyroid hormone receptor β expression, indicating reciprocal regulatory interactions between thyroid hormone and BMP pathways. Collectively, these findings suggest that thyroid hormones modulate steroidogenesis, at least in part, through suppression of endogenous BMP-6 signaling in granulosa cells.
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