Effects of Short-Term Exercise on Adiponectin and Adiponectin Receptor Levels in Rats

DOI PubMed 被引用文献4件 参考文献41件 オープンアクセス
  • Zeng Qin
    Graduate School of Comprehensive Human Sciences, University of Tsukuba.
  • Fu Ling
    Graduate School of Comprehensive Human Sciences, University of Tsukuba.
  • Takekoshi Kazuhiro
    Graduate School of Comprehensive Human Sciences, University of Tsukuba.
  • Kawakami Yasushi
    Graduate School of Comprehensive Human Sciences, University of Tsukuba.
  • Isobe Kazumasa
    Graduate School of Comprehensive Human Sciences, University of Tsukuba.

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Aim: Adiponectin reportedly reduces insulin resistance. Exercise has also been shown to lessen insulin resistance, although it is not well known whether exercise increases levels of adiponectin and/or its receptors nor whether it effects are dependent on exercise intensity and/or period. We previously reported that blood adiponectin levels increased by 150% in animals that exercised at a rate of 30 m/min for 60 minutes, 2 days per week, and adiponectin receptor 1 (AdipoR1) mRNA levels in muscle increased up to 4 times in response to exercise at a rate of 25 m/min for 30 min, 5 days per week for 12 weeks.<BR>Methods: In light of this information, we examined the effects of short-term exercise on adiponectin, and adiponectin receptor levels in rats, using ELISA and real-time PCR. <BR>Results: Our data showed that adiponectin mRNA levels in adipose tissue increased by 280% in rats exercised at a rate of 30 m/min for 60 minutes for 2 weeks and correlated with the exercise time periods. No effects of short-term exercise on adiponectin receptor 1 mRNA in muscle were observed. <BR>Conclusion: Thus, long-term exercise may be required to regulate adiponectin receptor 1 mRNA expression in muscle and adiponectin mRNA expression in adipose tissue.

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