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Freund's complete adjuvant에 의한 염증 모델 쥐에서 척수내 신경펩타이드 변화에 대한 Nitric Oxide의 영향

Other Titles
 Effect of nitric oxide on the change of spinal neuropeptide in the inflammation model by Freund's complete adjuvant 
Authors
 임중우 
Citation
 Korean Journal of Anatomy (대한해부학회지), Vol.34(3) : 293~302, 2001 
Journal Title
 Korean Journal of Anatomy (대한해부학회지) 
ISSN
 1225-1305 
Issue Date
2001
Abstract
Injection of Freund’s complete adjuvant (FCA) into the plantar surface of the rat induces inflammatory responses with accompanying pain behaviors. Signs of pain behaviors observed in FCA-injected animals are reported to be similar to symptoms seen in patients with inflammatory pain. In the previous study, injection of FCA produced a significant mechanical allodynia over time. The role of substance-P and calcitonin gene-related peptide(CGRP) on allodynia induced by inflammation is still controversial. We investigated the change of spinal neuropeptides and nitric oxide (NO) in rats with inflammation induced by subcutaneous injection of FCA into hind paw. The results are: 1. The number of NADPH-diaphorase and substance P positive neurons increased at ipsilateral spinal ventral horn after FCA injection. No significant changes were found with L-NAME posttreatment. 2. Staining intensity of substance P-immunoreactive area increased at ipsilateral spinal dorsal horn after FCA injection. No significant changes were found with L-NAME posttreatment. 3. CGRP immunoreactivity changed in the same pattern with substance P in all group. The results suggest that spinal neuropeptide substance P and CGRP are involved in the mechanism of the development and maintenance of allodynia in a state of FCA-induced inflammaion. NO may be also involved in the regulation of the quantity of substance P and CGRP in spinal cord.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/142138
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Physiology
Yonsei Authors
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