Pathogenesis of endometriosis by the inflammatory cytokines in three-dimension culture system

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1. We examined the effect of menstrual blood on the ability of cytokine production in these immune cells. We examined the CD14+monocyte and DC were cultured the containing 2% or 10% menstrual blood in the culture medium for 24 hours, and measured the concentration of interleukin-6 and interleukin-8 in the supernatants with ELISA. We demonstrated that the menstrual blood induced the cytokine levels in the immune cells. These results suggest that retrograde menstruation may be contributed to the pathogenesis of endometriosis.2 We examined the three-dimensional culture system. Endometrial and endometriotic stromal cells were obtained from normal endometrium and from chocolate cyst linings. We used Celltight X TM(SUMILON). We evaluate the effect of TNFa on those calls compared with monolayer culture systems. IL-6 and IL-8 protein production was examined by ELISA. Endometriotic stromal cells product the inflammatory cytokines without TNFa. The addition of TNFa promoted the production of inflammatory cytokines, compared with monolayer culture systems. These results suggested that the inflammatory cytokines work as the autocrine and paracrine factor for the proliferation of endometriotic cells