The Effects of Acupuncture at GB34 on Disuse Muscle Atrophy in Rats

흰쥐의 불용성 근위축에 양릉천 자침이 미치는 효과

  • Kim, Bum Hoi (Department of Anatomy, College of Korean Medicine and Research Institute of Oriental Medicine, Dong-eui University)
  • 김범회 (동의대학교 한의과대학 해부학교실, 동의대학교 한의학연구소)
  • Received : 2018.09.15
  • Accepted : 2018.10.01
  • Published : 2018.10.31


Objectives Disuse muscle atrophy occurs in response to pathologies such as joint immobilization, inactivity or bed rest. Muscle disuse is accompanied by an increase in apoptotic signaling, which mediates some of the responses to unloading in the muscle. GB34 (Yanglingquan) is a acupuncture point on the lower leg and one of the most frequently used points in various skeletomuscular diseases. In this study, the hypothesis that the acupuncture at GB34 could attenuate immobilization-induced skeletal muscle atrophy was tested. Methods The left hindlimb immobilization was performed with casting tape in both GB34 group (n=10) and Control group (n=10). The rats in GB34 group were daily treated with acupuncture at GB34. After 2 weeks of immobilization, the morphology of right and left gastrocnemius muscles in both GB34 and Control groups were assessed by hematoxylin and eosin staining. To investigate the immobilization-induced muscular apoptosis, the immunohistochemical analysis of Bax and Bcl-2 was carried out. Results GB34 group represented the significant protective effects against the reductions of the left gastrocnemius muscles weight and average cross section area to compared with Control group. The acupuncture at GB34 significantly reduced the immunoreactivity of BAX and increased the immunoreactivity of Bcl-2 in gastrocnemius muscle compared with Control group. Conclusions These results suggest that the acupuncture at GB34 has protective effects against immobilization-induced muscle atrophy by regulating the activities of apoptosis-associated BAX/Bcl-2 proteins in gastrocnemius muscle.


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