Augmented interleukin 6 production by rat thyrocytes (FRTL5): effect of interleukin 1 beta and thyroid-stimulating hormone |
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| Authors: | M Iwamoto T Sakihama N Kimura K Tasaka T Onaya |
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| Affiliation: | Third Department of Internal Medicine, University of Yamanashi Medical School, Japan. |
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| Abstract: | This study shows that rat thyroid follicular (FRTL5) cells can produce interleukin 6 (IL-6) spontaneously and that IL-1 beta enhanced the production of IL-6 dose-dependently. In addition, 10 ng/mL of IL-1 beta in combination with 10 to 1,000 microU/mL of thyroid-stimulating hormone (TSH) synergistically enhanced IL-6 production. It is suggested that IL-6 released from thyroid follicular cells may be a costimulator of autoreactive B and T cells in autoimmune thyroid disease and may constitute another link between the immune and endocrine systems. |
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