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치자(梔子) 약침(藥鍼)이 백서(白鼠) 모델 足과(족과) 념좌(捻挫) 통증(痛症)에 미치는 영향(影響)
구성태 ( Sung Tae Koo ),조명수 ( Myoung Soo Cho ),박성섭 ( Sung Sub Park ),김영태 ( Young Tae Kim ),박귀종 ( Kwi Jong Park ),손인철 ( In Cheul Sohn ),김경식 ( Kyoung Sik Kim ) 대한경락경혈학회 2005 Korean Journal of Acupuncture Vol.22 No.2
Objective: Frutus gardeniae, seed of Gardenia jasminoides Ellis is one of the crude drugs used for the treatment of inflammatory condition in oriental medicine. Methodes: The present study aimed to examine the analgesic effect and anti-inflammatory effect of Frutus gardeniae extract FGE) on a rat model of ankle sprain pain, and the relations between FGE-induced effect and endogenous nitric oxide (NO) and inducible NO synthase (iNOS), cyclooxygenase-2 (COX-2), and c-Fos protein expression in the spinal cord. As a chronic pain model, ankle sprain pain model was used to test the effect of FGE injection applied to acupuncture point. After the induction of ankle sprain, rats subsequently showed a reduced stepping force of the affected limb for at least the next 4 days. The reduced stepping force of the limb was presumably due to a painful knee. FGE dissolved in normal saline was injected several acupoints. Results: After the treatment, behavioral tests measuring stepping force were periodically conducted during the next 8 hours. FGE produced significant improvement of stepping force of the hindlimb affected by the ankle sprain lasting at least 4 hours. FGE produced the improvement of stepping force of the affected hindlimb in a dose-dependent manner. In addition, FGE injection showed inhibitory effect on the paw edema induced by ankle sprain. Both NO production and iNOS, COX-2 protein expression increased by ankle sprain were suppressed by FGE. FGE on combination with electroacupuncture (EA) produced more powerful and longer lasting improvement of stepping force of the hindlimb affected by the ankle sprain than either FGE or EA did. The present study suggest that FGE produces a potent analgesic effect on the ankle sprain pain model of the rat and that FGE-induced analgesia modulate endogenous NO through the suppression of iNOS/COX-2 protein expression.