期刊论文详细信息
FEBS Letters
Induction of manganese superoxide dismutase by thyroid stimulating hormone in rat thyroid cells
Kimoto, Saori1  Tomura, Takanori T.1  Suzuki, Keiichiro2  Kusunoki, Takashi3  Nakano, Takayuki3  Nishida, Shozo1  Murata, Kiyotaka3  Taniguchi, Naoyuki2 
[1] Department of Biochemistry and Oncology, Kinki University School of Medicine, Osakasayama, Osaka 589, Japan;Department of Biochemistry, Osaka University Medical School, Yamadaoka 2-2, Suita, Osaka 565, Japan;Department of Otolaryngology, Kinki University School of Medicine, Osakasayama, Osaka 589, Japan
关键词: Superoxide dismutase induction;    Thyroid stimulating hormone;    Thyroid;    Manganese containing superoxide dismutase;    SOD;    superoxide dismutase;    Mn-SOD;    manganese containing superoxide dismutase;    TSH;    thyroid stimulating hormone;    TNFα;    tumor necrosis factor-α;    MTU;    6-methyl-2-thiouracil;    ELISA;    enzyme-linked immunosorbent assay;    IL-1;    interleukin-1;   
DOI  :  10.1016/S0014-5793(97)01171-X
学科分类:生物化学/生物物理
来源: John Wiley & Sons Ltd.
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【 摘 要 】

Alterations in the superoxide dismutase (SOD) content of thyroid tissues occurring in association with thyroid dysfunction have been reported. In this study, the Mn-SOD content was found to increase in thyroid tissues of rats administered thyroid stimulating hormone (TSH) and in thyrocytes cultured in medium supplemented with TSH. Furthermore, in the thyroid glands of rats whose serum TSH level was elevated by inhibiting the synthesis of T3 and T4 by 6-methyl-2-thiouracil, the Mn-SOD increased as the TSH concentration increased. In the cultured thyrocytes, the increase in Mn-SOD induced by TSH was inhibited by the C-kinase inhibitor H7. These findings suggest the induction of Mn-SOD by TSH in thyroid cells and point to a role of C-kinase in this process, thereby indicating that a close relationship exists between the serum TSH level and the change in Mn-SOD content in thyrocytes with thyroid dysfunction.

【 授权许可】

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