Morphological and glycosylation changes associated with the endometrium and ectopic lesions in a baboon model of endometriosis

C J P Jones, Carolyn Jones, J. Denton, Denton J, Asgerally T Fazleabas, Fazleabas AT, A T Fazleabas
Human Reproduction · 2006 · vol. 21(12) , pp. 3068–3080 · doi:10.1093/humrep/del310 · PMID:17018533 · W2149757239
Lab / animal OA: bronze CC0 ⤵ 19 in-corpus citations
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This study utilized a baboon model to demonstrate that endometriosis is associated with progressive changes in endometrial gland ultrastructure and glycosylation, leading to dyssynchrony within the window of uterine receptivity.

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Abstract

BACKGROUND: Endometriosis is one of the most common causes of infertility and pelvic pain. A baboon model has recently been developed whereby the intrapelvic injection of menstrual endometrium results in the induction of endometriotic lesions. We have used this model to investigate changes in ultrastructure and glycosylation of endometria from normal and diseased baboons. METHODS: Endometriosis was induced in eight female baboons; endometrial tissue and endometriotic lesions were removed on days 9-11 post ovulation between 3 and 16 months of disease and compared with endometrium from 17 control animals, using electron microscopy and lectin histochemistry. RESULTS: Ultrastructurally, diseased endometrial glands showed abnormalities in secretory vacuoles and an intracellular accumulation of glycogen; in later stages of the disease, glands resembled those of the late secretory phase endometrium. The abnormalities were mirrored by changes in glycan expression. In early disease, there was an increased binding of lectin from Dolichos biflorus agglutinin (DBA) to fucosylated N-acetylglucosamine residues, whereas in later stages, this binding generally decreased in association with the appearance of a late secretory phenotype. CONCLUSIONS: Endometriosis is accompanied by progressive changes in the gland architecture and biochemistry resulting in dyssynchrony within the window of uterine receptivity, which may result in the reduced fertility associated with this disease.

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Condition tags

endometriosisinfertility

MeSH descriptors

Choristoma Choristoma Endometriosis Endometrium Endometrium Papio Papio Animals Animals Choristoma Choristoma Disease Models, Animal Disease Models, Animal Endometriosis Endometriosis Endometriosis Endometriosis Endometriosis Endometrium Endometrium

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Papers in the corpus that this work cites (lower rings, blue) and that cite this one (upper rings, green). Dot size scales with the paper's in-corpus citation count — bigger dot = more influential within the endo/adeno field. Click a dot to open that paper. Outer rings show 2-hop neighbours — papers reached through the immediate citers/citees. [ collapse to 1-hop ]

References (29)

Cited by (19)

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