Combination of 17beta-estradiol with the environmental pollutant TCDD is involved in pathogenesis of endometriosis via up-regulating the chemokine I-309-CCR8

Ying-Li Shi, Yingli Shi, Xue-Zhen Luo, Xuezhen Luo, Luo XZ, Zhu XY, Xiao-Yong Zhu, Xiao‐Yong Zhu, Li DJ, Da‐Jin Li, Da-Jin Li
Fertility and sterility · 2007 · vol. 88(2) , pp. 317–325 · doi:10.1016/j.fertnstert.2006.11.129 · PMID:17693327 · W2053801003
Lab / animal OA: closed CC0 ⤵ 16 in-corpus citations
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This research investigates how 17β-estradiol and TCDD cooperate to promote endometriosis by increasing the expression of the chemokine I-309 and its receptor CCR8.

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Abstract

OBJECTIVE: To explore the effects of the combined E(2) with the environmental pollutant 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) on CCR8-I-309 expression by the endometriotic lesion-associated cells in the pathogenesis of endometriosis. DESIGN: Prospective laboratory study. SETTING: University hospital. PATIENT(S): Chinese women with endometriosis. INTERVENTION(S): The endometriotic tissue and matched eutopic endometrium were collected. Endometrial stromal cells (ESCs), HPMC, and U937 cells were treated with 17beta-E(2) or TCDD. The ESCs were stimulated with I-309. MAIN OUTCOME MEASURE(S): The expression of CCR8 in tissues was analyzed by reverse transcription-polymerase chain reaction and immunohistochemistry. The effect of I-309 on integrin beta1 and alphavbeta3 expression intensity was analyzed by flow cytometry, and the chemotactic activity of I-309 on the ESC was explored by chemotactic assay. Concentration of I-309 in the culture supernatant was quantified by enzyme-linked immunosorbent assay. RESULT(S): CCR8 was overexpressed in the endometriotic tissue. I-309 promoted the expression of integrin beta1. Estradiol and TCDD up-regulated CCR8 expression by ESCs. Estradiol magnified the stimulatory effect of TCDD on I-309 secretion by U937. The interaction of HPMC and U937 cells promoted I-309 secretion. CONCLUSION(S): These findings imply that the combination of 17beta-E(2) with the environmental pollutant TCDD is involved in the pathogenesis of endometriosis via up-regulating the chemokine CCR8-I-309.

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Condition tags

endometriosis

MeSH descriptors

Chemokines, CC Endometriosis Estradiol Polychlorinated Dibenzodioxins Receptors, Chemokine Uterine Diseases Cells, Cultured Cells, Cultured Chemokine CCL1 Chemokine CCL1 Chemokines, CC Chemokines, CC Chemokines, CC Drug Combinations Drug Combinations Endometriosis Endometriosis Endometriosis Endometriosis Endometrium

Citation neighborhood (2-hop)

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References (40)

Cited by (16)

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