Endometriosis Knowledgebase


A repository for genes associated with endometriosis

Results


PMID 11804955
Gene Name IL1R2
Condition Endometriosis
Association Associated
Population size 79
Population details 79 (26 normal women, 53 various degrees of endometriosis)
Sex Female
Associated genes IL-1RII
Other associated phenotypes Endometriosis
Abnormal interleukin-1 receptor type II gene expression in the endometrium of women with endometriosis.

Biol Reprod. 2002 Feb;66(2):401-6.

Kharfi, A| Boucher, A| Akoum, A

Unite d'Endocrinologie de la Reproduction, Centre de Recherche, Hopital Saint-Francois d'Assise, Centre Hospitalier Universitaire de Quebec, Universite Laval, Quebec, Quebec, Canada G1L 3L5.

Interleukin 1 (IL-1) is a major proinflammatory cytokine that is believed to play a central role in the pathophysiology of endometriosis. The IL-1 receptor type II (IL-1RII) is known to bind to IL-1 and to inhibit its biological effects. In our previous studies, we showed that human endometrium expresses IL-1RII, and we observed reduced expression of the protein in women with endometriosis. The aim of this study was to investigate IL-1RII mRNA in the endometrial tissue of normal women (n = 26) and of patients with various degrees of endometriosis (n = 53). In situ hybridization showed that IL-1RII mRNA expression was significantly decreased in endometriosis, particularly during the early stages of the disease (stages I and II). This was quite obvious in both glandular and stromal cells, and it was corroborated by reverse transcription-polymerase chain reaction analysis of IL-1RII mRNA in the endometrial tissue of women with (n = 10) and without (n = 8) endometriosis. The reduced levels of IL-1RII mRNA in the endometrium of women suffering from endometriosis reveals a profound defect in IL-1RII gene expression and, consequently, a reduced capability of endometrial tissue to down-regulate IL-1 activity. Defective IL-1RII gene expression during the early stages of endometriosis (stages I and II) may contribute to the etiology of the disease.

Mesh Terms: Adult| Blotting, Southern| Coloring Agents| Endometriosis/*genetics/pathology| Endometrium/*metabolism/pathology| Female| Glyceraldehyde-3-Phosphate Dehydrogenases/metabolism| Humans| In Situ Hybridization| Interleukin-1/biosynthesis| RNA, Messe