Effect of antiangiogenic treatment on peritoneal endometriosis-associated nerve fibers

Edurne Novella-Maestre, Novella-Maestre E, Sonia Herraiz, José María Vila-Vives, Vila-Vives JM, Carmen Cardá, Carda C, Carmen Carda, Amparo Ruiz-Sauri, Ruiz-Sauri A, Amparo Ruiz‐Saurí, António Pellicer, Antonio Pellicer
Fertility and sterility · 2012 · vol. 98(5) , pp. 1209–1217 · doi:10.1016/j.fertnstert.2012.07.1103 · PMID:22921078 · W2067360409
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This study investigated how antiangiogenic treatment impacts the nerve fibers associated with peritoneal endometriosis.

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Abstract

ObjectiveTo investigate the effect of antiangiogenic treatment on experimental endometriotic lesion nerve fibers.DesignHeterologous mouse model of endometriosis.SettingUniversity Institute IVI, University Hospital La Fe.Animal(s)Ovariectomized nude mice (n = 16) receiving human endometrial fragments from oocyte donors (n = 4).Intervention(s)Endometrium fragments stuck in the peritoneum of 5-week-old female nude mice treated with vehicle (n = 8) and antiangiogenic agent cabergoline (n = 8; Cb(2,) 0.05 mg/kg/day) for 14 days.Main outcome measure(s)Immunofluorescence analysis of von-Willebrand factor (vWF) and vascular smooth muscle cells (αSMA) for evaluating the number of immature blood vessels (IBV) and microvascular density (MVD); immunochemical analysis of protein-gene product 9.5 (PGP 9.5) to assess nerve fibers density (NFD), and blue toluidine staining to confirm presence of mast cells and macrophages in endometriotic lesions.Result(s)All the results were quantified by morphometric techniques. The IBV, NFD, and number of macrophages and mast cells were statistically significantly decreased in the Cb2-treated group when compared with controls.Conclusion(s)Antiangiogenic treatment statistically significantly diminishes new blood vessel formation after macrophage, mast cell, and nerve fiber reduction, providing a rationale to test antiangiogenic agents as a novel therapeutic approach to severe pelvic pain associated with human peritoneal endometriosis.

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Condition tags

endometriosis

MeSH descriptors

Angiogenesis Inhibitors Endometriosis Endometrium Ergolines Microvessels Neovascularization, Pathologic Nerve Fibers Peritoneal Diseases Actins Actins Angiogenesis Inhibitors Animals Biomarkers Biomarkers Cabergoline Disease Models, Animal Endometriosis Endometriosis Endometriosis Endometriosis

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