지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2011.1
- 수록면
- 59 - 66 (8page)
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초록· 키워드
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Purpose: The purpose of this study was to investigate the effect of electroacupuncture on pain threshold and 5-HT synthesis in raphe magnus nucleus of dog brain stem following nociception induced by 1% carageenan. Method: Twenty male dogs were randomly divided into two groups, a control group and an electroacupuncture group with the following parameters: ST36, LI11 and SP9 with 120Hz and 0.5mA. The dogs were sacrificed at 30, 60, 90, 120, 150 and 180 min after nociception using 1% carageenan injection into the plantar side of the dog's left leg. The pain threshold was recorded by an Analgesia-meter. After making brain slice sections, the tissues were immunostained with 5-HT antisera (1:2,500). Results: The pain threshold for the electroacupuncture group was higher than for the control group. The number of 5-HT immunoreactive neurons in the electroacupuncture group was greater than that of the control group. Differences between the two groups regarding the number of 5-HT immunoreactive neurons at 30 min and 60 min (p<0.05), at 120 min and 150 min (p<0.01), and at 8 days (p<0.05) were significant. Conclusion: The increases in pain threshold and number of 5-HT immunoreactive neurons in the raphe magnus nucleus of dog brain stem showed that electroacupuncture can attenuate pain transduction through the descending tract.
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