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KMID : 1123920100240040681
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Korean Journal of Oriental Physiology and Pathology
2010 Volume.24 No. 4 p.681 ~ p.687
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Enhanced Neurite Outgrowth of Dorsal Root Ganglion Sensory Neurons after Sibjeondaebo-tang Treatment
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Kwon Ku-Birm
Namgoong Uk
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Abstract
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Sibjeondaebo-tang (SJDBT) is an oriental medicinal prescription for the treatments of diverse symptoms including neurological disorders. In order to investigate its potential role for neural regulation following nerve injury, neurite outgrowth of dorsal root ganglion (DRG) neurons in culture was investigated. In DRG neurons which were preconditioned by sciatic nerve injury, neurite outgrowth was enhanced by SJDBT treatment. When preconditioned DRG neurons were co-cultured with astrocytes prepared from injured spinal cord tissue, neurite outgrowth was similarly facilitated by SJDBT. Astrocytes in co-culture showed more intense signals of vimentin protein by SJDBT compared to saline control. Sukjihwang (SJH), a conventional herbal component of SJDBT prescription, did not induce any significant changes in neurite extension of DRG neurons compared to control cells. These data suggest that SJDBT may be the therapeutic agent for nervous system disorders related to nerve damage.
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KEYWORD
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Sibjeondaebo-tang (SJDBT), dorsal root ganglion (DRG), neurofilament-200 (NF-200), vimentin, co-culture
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