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Dendritic cells produce interleukin-12 in hyperthyroid mice
M Tamura1, B Matsuura, S Miyauchi
1The Third Department of Internal Medicine, School of Medicine, Ehime University, Ehime, Japan.
We previously reported that serum interleukin-12 (IL-12) levels were significantly increased in patients with hyperthyroid Graves' disease and in normal subjects after administration of thyroid hormone. In the present study, we investigated which cells produce IL-12 and the interactions between IL-12 and thyroid hormones, using a hyperthyroid mouse model. Thyroid hormones induced IL-12 production, and IL-12 was mainly produced by dendritic cells outside the thyroid glands in a hyperthyroid state.
We previously reported that serum interleukin-12 (IL-12) levels were significantly increased in patients with hyperthyroid Graves' disease and in normal subjects after administration of thyroid hormone. In the present study, we investigated which cells produce IL-12 and the interactions between IL-12 and thyroid hormones, using a hyperthyroid mouse model. Thyroid hormones induced IL-12 production, and IL-12 was mainly produced by dendritic cells outside the thyroid glands in a hyperthyroid state.