期刊
GYNECOLOGIC AND OBSTETRIC INVESTIGATION
卷 72, 期 3, 页码 163-168出版社
KARGER
DOI: 10.1159/000327934
关键词
Pyrrolidine dithiocarbamate; Nuclear factor-kappa B; Endometriosis; Cyclooxgenase-2; Prostaglandin E-2
Background: The nuclear factor-kappa B (NF-kappa B) pathway activates many of the target genes that are critical to the initiation and establishment of endometriosis. We sought to examine the potential application of pyrrolidine dithiocarbamate (PDTC), a potent NF-kappa B inhibitor, in the treatment of endometriosis. Methods: The phosphorylation of I kappa B, expression of nuclear p65 protein and NF-kappa B DNA binding in endometriotic epithelial cells (EECs), endometriotic eutopic epithelial cells (EuECs) and normal epithelial cells (NECs) were detected by Western blot analysis and electrophoretic mobility shift assay. Cyclooxgenase-2 (COX-2) gene and protein expressions in EECs were measured by RT-PCR and Western blot analysis. Prostaglandin E-2 (PGE(2)) production of EECs was measured by ELISA. Results: PDTC in the absence or presence of tumor necrosing factor-alpha (TNF-alpha) showed stronger inhibitory effects on I kappa B phosphorylation, expression of nuclear p65 protein and NF-kappa B DNA-binding activity in EECs than in EuECs or NECs. Pretreatment of EECs with PDTC resulted in a dose-dependent reduction in the TNF-alpha-induced expressions of COX-2 at gene and protein levels, as well as a reduction of PGE(2) synthesis. Conclusion: PDTC may represent a novel therapeutic strategy for treatment of endometriosis. Copyright (C) 2011 S. Karger AG, Basel
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