동의생리병리학회지 (Journal of Physiology & Pathology in Korean Medicine)

  • 제19권6호
  • /
  • Pages.1666-1672
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  • 2005
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  • 1738-7698(pISSN)
  • /
  • 2288-2529(eISSN)
대한동의생리학회·한의병리학회 ( The Physiological Society of Korean Medicine and The Society of Pathology in Korean Medicine)
권호 표지

Growth Promoting Effects of Oriental Medicinal Drugs on Sciatic Nerve Regeneration in the Rat

  • Jo Hyun-Kyung (Department of Internal Medicine, College of Oriental Medicine, Daejeon University) ;
  • NamGung Uk (Department of Neurophysiology, College of Oriental Medicine, Daejeon University) ;
  • Seol In-Chan (Department of Internal Medicine, College of Oriental Medicine, Daejeon University) ;
  • Kim Yoon-Sik (Department of Internal Medicine, College of Oriental Medicine, Daejeon University)
  • 발행 : 2005.12.01
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초록

Oriental medicinal drugs have a broad spectrum of clinical use for the cure of nervous system diseases including brain ischemic damages or neuropathies. Yet, specific drugs or drug components used in the oriental medicine in relation to none fiber regeneration are not known. In the present study, possible growth promoting effects of oriental medicinal drugs were investigated in the injured sciatic nerve system in the rat. By immunofluorescence staining, we found that Jahageo (JHG, Hominis placenta) increased Induction levels of axonal growth associated protein GAP-43 in the rat sciatic none. Small growth promoting activity was found in Golsebo (GSB, Drynariae rhizoma) and Baikhasuo (BHSO, Polygoni multiflori radix) drugs. JHG also increased cell cycle protein Cdc2 levels in the injured area of the sciatic nerves. Immunofluorescence staining indicated that induced Cdc2 protein was mostly localized in the Schwann cells in the injury area, implying that JHG activity might be related to increased Schwann cell proliferation during axonal regeneration. Moreover, levels of phospho-extracellular signal-regulated (ERK) pathway in the injured neNes were elevated by JHG treatment while levels of total ERK were unaltered. In vivo measurement of axonal regeneration using retrograde tracer showed that JHG, GSB and BHSO significantly enhanced Dil-labeled regenerating motor neurons compared with saline control. The present data suggest that oriental medicinal drugs such as JHG, GSB, and BHSO may be a useful target for developing specific drugs of axonal regeneration.

키워드

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