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Microwave hyperthermia treatment increases heat shock proteins in human skeletal muscle
  1. Yuji Ogura (yuji-ogura{at}sakura.juntendo.ac.jp)
  1. Institute of Health and Sports Sciences, Juntendo University, Japan
    1. Hisashi Naito (naitoh{at}sakura.juntendo.ac.jp)
    1. Department of Exercise Physiology, Juntendo University, Japan
      1. Toshihiro Tsurukawa (tstm{at}par.odn.ne.jp)
      1. Department of Rehabilitation Medicine, Saitama Medical School, Japan
        1. Noriko Ichinoseki-Sekine (noriko.sekine{at}sakura.juntendo.ac.jp)
        1. Institute of Health and Sports Sciences, Juntendo University, Japan
          1. Norio Saga (g051101{at}student.sakura.juntendo.ac.jp)
          1. Department of Exercise Physiology, Juntendo University, Japan
            1. Takao Sugiura (takahito{at}yamaguchi-u.ac.jp)
            1. Faculty of Education, Yamaguchi University, Japan
              1. Shizuo Katamoto (katamoto{at}sakura.juntendo.ac.jp)
              1. Department of Exercise Physiology, Juntendo University, Japan

                Abstract

                OBJECTIVE: This study tests the hypothesis that microwave hyperthermia treatment (MHT) increases heat shock proteins (HSPs) in the human vastus lateralis muscle.

                METHODS: Four sedentary male volunteers participated in this study. The lateral side of thigh of one leg (heated leg) was heated with a microwave generator (2.5 GHz, 150 W) for 20 min. One day after the MHT, a muscle sample was taken from the heated leg. A control sample was taken from the unheated leg on another day of the MHT. For both legs, HSP90, 72 and 27 levels were compared.

                RESULTS: The HSP90, 72 and 27 levels in heated legs were significantly higher than those of control legs (P < 0.05).

                CONCLUSIONS: Application of MHT can increase levels of several HSPs in human skeletal muscle.

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