Investigation of the role of platelets in the aetiopathogenesis of adenomyosis

Stefania Mosele, Mosele S, Christina Anna Stratopoulou, Alessandra Camboni, Camboni A, Jacques Donnez, Donnez J, Marie-Madeleine Dolmans, Marie‐Madeleine Dolmans, Dolmans MM
Reproductive biomedicine online · 2021 · vol. 42(4) , pp. 826–834 · doi:10.1016/j.rbmo.2021.01.009 · PMID:33637418 · W3122952246
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This paper investigates the role of platelets in the development and underlying mechanisms of adenomyosis.

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Abstract

Research questionDo platelets aggregate in adenomyotic lesions and participate in adenomyosis pathogenesis and related fibrosis?DesignEutopic and ectopic endometrium from 17 patients with adenomyosis and endometrium from 23 healthy controls were collected. Immunohistochemical analyses of platelet marker CD41, transforming growth factor beta 1 (TGF-β1) and vascular endothelial growth factor (VEGF) were performed to investigate aggregation and activation of platelets in the stroma. Picrosirius staining was carried out to evaluate the extent of fibrotic tissue.ResultsStroma in the control group showed higher CD41 staining levels than ectopic stroma from patients with adenomyosis (P < 0.001). In patients with adenomyosis, eutopic stroma expressed more extensive CD41 staining than ectopic stroma (P < 0.0001). Stroma in the control group exhibited higher TGF-β1 expression than eutopic and ectopic stroma from adenomyosis patients (P = 0.009 and P < 0.0001). Stroma in the control group also expressed higher VEGF levels than ectopic stroma from patients with adenomyosis (P < 0.001). In patients with adenomyosis, eutopic stroma showed higher VEGF expression than ectopic stroma (P = 0.021). Stroma in ectopic endometrium from adenomyosis patients displayed greater Picrosirius staining compared with both eutopic stroma from adenomyosis patients and stroma in the control group (P < 0.0001).ConclusionThe results of this study did not detect a primary role for platelet activation or aggregation in the pathophysiological process of adenomyosis. Higher rates of collagen fibres were found in adenomyotic lesions, likely to be related to a TGF-β1-independent pathway. Collagen fibre deposition was more extensive in adenomyotic lesions, consistent with fibrosis.

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Condition tags

adenomyosis

MeSH descriptors

Adenomyosis Endometrium Platelet Activation Platelet Aggregation Adenomyosis Adenomyosis Adult Case-Control Studies Endometrium Endometrium Female Fibrosis Humans Middle Aged Young Adult

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