Dysregulation of the cytokine network in the uterus of the diabetic rat.
Insulin-dependent (type I) diabetes is an auto-immune disorder that produces secondary complications in numerous non-immunological systems. Changes in the synthesis and action pattern of several cytokines have been associated with the development of these alterations. Based on the clinical facts that the pregnant and non-pregnant functions of the reproductive system are also disrupted by diabetes, our laboratory has decided to concentrate its research activities on the hypothesis that cytokines may be implicated in the uteropathy and embryopathy associated with the metabolic disorder. This review article summarizes our major findings concerning the synthesis of TNF-alpha and IL-1beta in the uterus of diabetic rats, and in cultures of rodent uterine cells upon their exposure to high concentrations of glucose. The paper also reviews evidence that both the peri-implanting embryo and the epithelial cell layer lining the uterine lumen are targets for the deleterious influence of excess TNF-alpha. If confirmed in the uterus of diabetic patients, these observations may explain how cytokines contribute to the dysregulation of crucial reproductive events like menstruation and embryo implantation in humans.[1]References
- Dysregulation of the cytokine network in the uterus of the diabetic rat. Pampfer, S. Am. J. Reprod. Immunol. (2001) [Pubmed]
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