Novel insights into pathology of endometriosis from a disease model induced by autotransplantation of endometrium

Masakazu Umezawa, Ken Takeda, Tomomi Ihara, Masao Sugamata
In: Inflammation and Regeneration · 2010 · vol. 30(2) , pp. 115–119 · doi:10.2492/inflammregen.30.115 · W2038386408
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⚙ AI-generated summary by claude@2026-06, 2026-06-08 ⓘ

Autotransplantation of endometrium in a disease model revealed stromal cell proliferation and mast cell infiltration in peritoneal tissues, offering novel insights into endometriosis pathology.

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⚙ AI-generated deep summary by claude@2026-06, 2026-06-09 · read from full text ⓘ

This mini review discusses an endometriosis disease model created by autotransplantation of endometrium, focusing on immune responses in the development of endometriotic lesions. It highlights findings from subsequent studies showing proliferation of stromal cells and infiltration of mast cells in peritoneal tissues adjacent to transplanted endometrium, along with cytokine and chemokine expression patterns consistent with human endometriosis. Gene expression profiling indicated that increases in cell adhesion and extracellular matrix–related genes precede lesion formation, followed by upregulation of cytokines and chemokines. The paper also notes the model’s use in in vivo toxicity and preclinical testing, including lesion enhancement by diesel exhaust and inhibition by leukotriene receptor antagonist, relating these insights to endometriosis pathology. This paper is centrally about endometriosis — it reviews how an autotransplantation-based model recapitulates immunoinflammatory and lesion-forming mechanisms of endometriosis.

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Abstract

The pathogenesis of endometriosis, a gynecologic disorder associated with infertility, appears to involve immune responses. However, the details involved have not been clarified and treatment options are limited. Sugamata M. et al. found proliferation of stromal cells and infiltration of mast cells, consistent with human endometriosis, in peritoneal tissues adjacent to autotransplanted endometrium (endometriosis model). Subsequent studies using the endometriosis model have provided novel insights into the pathology of endometriosis.
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Mini Review Novel insights into pathology of endometriosis from a disease model induced by autotransplantation of endometrium 2010 Volume 30 Issue 2 Pages 115-119 Details Abstract The pathogenesis of endometriosis, a gynecologic disorder associated with infertility, appears to involve immune responses. However, the details involved have not been clarified and treatment options are limited. Sugamata M. et al. found proliferation of stromal cells and infiltration of mast cells, consistent with human endometriosis, in peritoneal tissues adjacent to autotransplanted endometrium (endometriosis model). Subsequent studies using the endometriosis model have provided novel insight into the pathology of endometriosis. First, expression of cytokines and chemokines consistent with endometriosis in humans was found. This observation provided a focus on the contribution of immunoinflammatory response to development of endometriosis. Second, microarray analysis showed that an increase in expression of genes associated with cell adhesion and extracellular matrix precede formation of pathology of the endometriotic lesion and upregulation of expression of cytokines and chemokines. Moreover, it has been shown that the endometriosis model can be applicable to in vivo toxicity and preclinical testing. The pathology of endometriosis model was enhanced by exposure to diesel exhaust, a major air pollutant, and was inhibited by oral administration of drugs, including leukotriene receptor antagonist. Information provided by the endometriosis model will contribute to establishment of the methods for prevention and treatment of endometriosis. Further investigation using this invaluable tool could potentially help to protect many women against the effects of this currently incurable disease. © The Japanese Society of Inflammation and Regeneration Favorites & Alerts Recently viewed articles

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endometriosisinfertility

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