C-C Chan1, G F Reed, Y Kim, E Agrón, R R Buggage. 1. National Eye Institute/NIH, Bldg 10, Room 10N103,10 Center Drive, Bethesda, MD 20892-1857, USA. chanc@nei.nih.gov
Abstract
BACKGROUND/AIMS: Pregnancy and the postpartum period are associated with the activity of autoimmune diseases including uveitis. Although the exact mechanism is unknown, hormones are reported to alter inflammatory cytokines and influence disease activity. The authors studied ocular inflammation, female hormones, and serum cytokine levels during and after pregnancy. METHODS: A prospective, observational case study was conducted. Four pregnant women in their first trimester with chronic non-infectious uveitis were followed monthly until 6 months after delivery. Serum female hormones (oestrogen, progesterone, prolactin) and various cytokines (IL-2, IL-4, IL-5, IL-6, IL-10, IFN-gamma, and TGF-beta) were measured by ELISA. RESULTS: The four patients had five full term pregnancies. Uveitis activity decreased after the first trimester but flared in the early postpartum period. Serum female hormones, highly elevated during pregnancy, drastically dropped post partum. Cytokine levels except TGF-beta were mostly undetectable. CONCLUSION: Female hormones and TGF-beta may contribute to the activity of uveitis during pregnancy and the postpartum period.
BACKGROUND/AIMS: Pregnancy and the postpartum period are associated with the activity of autoimmune diseases including uveitis. Although the exact mechanism is unknown, hormones are reported to alter inflammatory cytokines and influence disease activity. The authors studied ocular inflammation, female hormones, and serum cytokine levels during and after pregnancy. METHODS: A prospective, observational case study was conducted. Four pregnant women in their first trimester with chronic non-infectious uveitis were followed monthly until 6 months after delivery. Serum female hormones (oestrogen, progesterone, prolactin) and various cytokines (IL-2, IL-4, IL-5, IL-6, IL-10, IFN-gamma, and TGF-beta) were measured by ELISA. RESULTS: The four patients had five full term pregnancies. Uveitis activity decreased after the first trimester but flared in the early postpartum period. Serum female hormones, highly elevated during pregnancy, drastically dropped post partum. Cytokine levels except TGF-beta were mostly undetectable. CONCLUSION: Female hormones and TGF-beta may contribute to the activity of uveitis during pregnancy and the postpartum period.
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