Light and electron microscopic evaluation of antileukotriene therapy for experimental rat endometriosis

Ihara T, Tomomi Ihara, Ichiro Uchiide, Uchiide I, Masao Sugamata, Sugamata M
Fertility and sterility · 2004 · vol. 81 Suppl 1 , pp. 819–23 · doi:10.1016/j.fertnstert.2003.08.029 · PMID:15019815
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Light and electron microscopy revealed that leukotriene receptor antagonist treatment significantly reduced stromal proliferation and mast cell infiltration, while promoting fibroblast apoptosis, in experimental rat endometriosis.

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Abstract

OBJECTIVE: To evaluate the effect of antileukotriene therapy, we examined the morphologic alteration in experimental rat endometriosis both with and without leukotriene receptor antagonist treatment. DESIGN: Light and electron microscopic analysis. SETTING: Tochigi Institute of Clinical Pathology, Japan. ANIMAL(S): Female Sprague-Dawley rats maintained on a schedule of 12 hours of light and 12 hours of dark for 2 weeks. INTERVENTION(S): Uterine transplants were attached to rat peritoneum via the surgical autotransplantation technique. After autotransplantation, the rats were given daily administration of leukotriene receptor antagonist, and the lesions were examined at 4 and 7 days after autotransplantation. MAIN OUTCOME MEASURE(S): The morphologic comparison of rat endometriosis with and without antileukotriene therapy. RESULT(S): In the rats treated with leukotriene receptor antagonist, a significant decrease in stromal proliferation was observed when compared with nontreated rats. The treated rats showed not only the suppression of infiltration and activation of mast cells but also widespread apoptosis of proliferative fibroblasts in the lesions. CONCLUSION(S): Our results reveal that a leukotriene receptor antagonist has significant therapeutic value for the treatment of rat endometriosis. It is likely that antileukotriene therapy would be efficacious in the treatment and prevention of human endometriosis.

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Condition tags

endometriosis

MeSH descriptors

Endometriosis Leukotriene Antagonists Leukotriene Antagonists Leukotriene Antagonists Peritoneal Diseases Tosyl Compounds Animals Animals Apoptosis Apoptosis Cell Division Cell Division Cell Division Endometriosis Endometriosis Endometriosis Female Female Fibroblasts Fibroblasts

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References (9)

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