Concentrations of Receptor for Advanced Glycation End Products, VEGF and CML in Plasma, Follicular Fluid, and Peritoneal Fluid in Women With and Without Endometriosis

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Soluble receptor for advanced glycation end products and vascular endothelial growth factor concentrations were significantly increased in the follicular fluid of women with endometriosis compared to those without.

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This study measured soluble receptor for advanced glycation end products (sRAGE), vascular endothelial growth factor (VEGF), and carboxymethyl lysine (CML) in plasma, follicular fluid, and peritoneal fluid collected from women with endometriosis and women without it, using enzyme-linked immunosorbent assays. VEGF and sRAGE were similar in plasma between groups, but both were significantly higher in follicular fluid from endometriosis patients (sRAGE 132 ± 31 vs. 105 ± 27 pg/mg protein; VEGF 70 ± 3 vs. 49 ± 18 pg/mg). The authors interpret these local increases as consistent with a role for AGEs–RAGE signaling in endometriosis pathogenesis via VEGF-linked angiogenesis and inflammation, while the limitation is that the measurements are observational and do not establish causality. This paper is centrally about endometriosis — it reports altered sRAGE and VEGF concentrations in reproductive tract and peritoneal compartments of women with endometriosis.

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Abstract

The etiology and pathogenesis of endometriosis is largely unknown. It has been reported that advanced glycation end products—receptor for advanced glycation end products regulation relates to oxidative stress, inflammatory reaction, apoptosis, and angiogenesis through vascular endothelial growth factor activation. The purpose of this study was to examine whether advanced glycation end products—receptor for advanced glycation end products regulation contributes to the pathogenesis of endometriosis. Plasma, follicular, and peritoneal fluid samples were collected from women with or without endometriosis, and soluble receptor for advanced glycation end products, vascular endothelial growth factor and carboxymethyl lysine levels were measured by enzyme-linked immunosorbent assay. Vascular endothelial growth factor and soluble receptor for advanced glycation end products concentrations were similar in plasma; however, their concentrations in follicular fluid were significantly increased in endometriosis patients (soluble receptor for advanced glycation end products was 132 + 31 pg/mg of protein vs. 105 + 27 pg/mg; vascular endothelial growth factor was 70 + 3 pg/mg vs. 49 + 18 pg/mg, expressed as the mean + standard deviation). Increased soluble receptor for advanced glycation end products and vascular endothelial growth factor levels in a local environment suggest that the advanced glycation end products—receptor for advanced glycation end products may contribute to the pathogenesis of endometriosis. Similar content being viewed by others

References

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Concentrations of Receptor for Advanced Glycation End Products, VEGF and CML in Plasma, Follicular Fluid, and Peritoneal Fluid in Women With and Without Endometriosis. Reprod. Sci. 15, 1066–1074 (2008). https://doi.org/10.1177/1933719108323445 Published: Issue date: DOI: https://doi.org/10.1177/1933719108323445

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Condition tags

mesh:D004715endometriosis

MeSH descriptors

Ascitic Fluid Endometriosis Follicular Fluid Lysine Receptors, Immunologic Vascular Endothelial Growth Factor A Ascitic Fluid Ascitic Fluid Endometriosis Endometriosis Endometriosis Female Follicular Fluid Follicular Fluid Glycation End Products, Advanced Glycation End Products, Advanced Glycation End Products, Advanced Humans Lysine Lysine

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