Decreased GDNF mRNA expression in dorsal spinal cord of unilateral arthritic rat

被引:10
作者
Fang, M [1 ]
Wang, Y [1 ]
Liu, HX [1 ]
Liu, XS [1 ]
Han, JS [1 ]
机构
[1] Beijing Med Univ, Neurosci Res Inst, Beijing 100083, Peoples R China
关键词
arthritis; chronic pain; GDNF; neurotrophin; rat; spinal cord;
D O I
10.1097/00001756-200003200-00017
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
It is now well established that nerve growth factor (NGF) plays a key role in inflammation-induced hyperalgesia. It was also reported that brain derived neurotrophic factor (BDNF), another member of neurotrophins, contributed to the pain pathway as a neurotransmitter in the CNS. The present work demonstrated a down-regulation of glial cell line-derived neurotrophic factor (GDNF) mRNA expression in dorsal spinal cord in complete Freund's adjuvant-induced unilateral arthritic rats serving as a chronic pain model. The fast occurring and long lasting down-regulations suggest that GDNF might contribute to pain pathway in a way different from neurotrophins and might play a role in the maintenance of chronic pain status. NeuroReport 11:737-741 (C) 2000 Lippincott Williams & Wilkins.
引用
收藏
页码:737 / 741
页数:5
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