The Altered Distribution of the Steroid Hormone Receptors and the Chaperone Immunophilin FKBP52 in a Baboon Model of Endometriosis Is Associated With Progesterone Resistance During the Window of Uterine Receptivity
Endometriosis in baboons altered the distribution of estrogen and progesterone receptors and FKBP52 in the eutopic endometrium, leading to progesterone resistance.
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The paper studied eutopic endometrial estrogen receptor ESR1/ESR2, progesterone receptor (PGR) distribution, and the co-chaperone FKBP52 in a baboon model of endometriosis induced by inoculation of menstrual endometrium, sampling at multiple times after inoculation and using western blot, immunohistochemistry, and cultured endometrial stromal cells exposed to steroid hormones. In animals with endometriosis, ESR-1 decreased in endometrial stromal cells, ESR-2 was reduced in both glandular epithelial and stromal cells, and total PGR was markedly diminished in the glandular epithelium; in isolated stromal cells, hormone treatment did not increase PGR isoform levels (PRA/PRB) as it did in controls. FKBP52 was also reduced in eutopic endometrium, and the authors propose that dysregulated stromal–glandular paracrine signaling contributes to progesterone resistance during uterine receptivity, potentially impairing implantation. This work explicitly relates to endometriosis and is centrally about endometriosis in baboons, focusing on progesterone resistance associated with altered receptor/chaperone distribution during the window of uterine receptivity.
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- Advances in endometriosis research: animal models for the study of reproductive disorders 2025
- Transgenic mice applications in the study of endometriosis pathogenesis 2024
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- Current Knowledge on Endometriosis Etiology: A Systematic Review of Literature 2021
- Genetic and epigenetic changes in the eutopic endometrium of women with endometriosis: association with decreased endometrial αvβ3 integrin expression 2021
- Effects of dual inhibition of AKT and ERK1/2 pathways on endometrial pro-inflammatory, hormonal, and epigenetic microenvironment in endometriosis 2021
- Epithelial-to-mesenchymal transition contributes to the downregulation of progesterone receptor expression in endometriosis lesions 2021
- Spatial and temporal changes in the expression of steroid hormone receptors in mouse model of endometriosis 2020
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- Cross-disorder analysis of endometriosis and its comorbid diseases reveals shared genes and molecular pathways and proposes putative biomarkers of endometriosis 2019
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- Progesterone and Estrogen Signaling in the Endometrium: What Goes Wrong in Endometriosis? 2019
- Progesterone Receptor B (PGR-B) Is Partially Methylated in Eutopic Endometrium From Infertile Women With Endometriosis 2019
- Progesterone Resistance in Endometriosis: an Acquired Property? 2018
- KRAS Activation and over-expression of SIRT1/BCL6 Contributes to the Pathogenesis of Endometriosis and Progesterone Resistance 2017
- Efeito da remoção cirúrgica das lesões de endometriose profunda na expressão dos microRNAs-21, -451 e -29c e da proteína FKBP52 2017
- Progesterone Alleviates Endometriosis via Inhibition of Uterine Cell Proliferation, Inflammation and Angiogenesis in an Immunocompetent Mouse Model 2016
- Progesterone resistance in endometriosis is modulated by the altered expression of microRNA-29c and FKBP4 2016
- Altered expression of microRNA-451 in eutopic endometrium of baboons (Papio anubis) with endometriosis 2015
- c-Jun NH2-terminal kinase inhibitor bentamapimod reduces induced endometriosis in baboons: an assessor-blind placebo-controlled randomized study 2015
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