• Title/Summary/Keyword: Leser-Doppler Flowmetry(LDF)

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Exterimental Effects of Acupuncture on the Regional Cerebral Blood Flow and Mean Arterial Blood Pressure in Rats (혈위자침(穴位刺鍼)이 백서(白鼠)의 국소뇌혈류량(局所腦血流量)과 혈압(血壓)에 미치는 실험적(實驗的) 효과(效果))

  • Ahn, Yung-Sun;Park, Chun-Ha;Cho, Myung-Rae;Yoon, Yeo-Choong
    • Journal of Acupuncture Research
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    • v.18 no.5
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    • pp.147-154
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    • 2001
  • Amun(GV15), Habkook(LI4) and Shinsu(B23) have been used as a meridian point for apoplexy, hypertention, vertigo etc. The effects of GV 15, LI4 and B23 on the vascular system is not known. The purpose of this Study was to investigate the effect of several meridian points on the regional cerebral bloof flow(rCBF), mean arterial blood pressure(BP) in rats. The changes of BP and rCBF were tested Laser-Doppler Flowmetry(LDF). Results : The results of this Study were obtained as follows ; 1. GV15 and LI4 were increased significantly rCBF. 2. GV15, LI4 and B23 were increased BP, but have not significance. Conclusion : This results suggest that GV15 was increased rCBF by increasing pial arterial diameter, and LI4 was increased rCBF by increasing BP.

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The Development of Functional Beverage from the Inner Skin of Chestnut Castanea crenata ( In ) Effects on the Regional Cerebral Blood Flow, Mean Arterial Blood Pressure, Proliferation of Thymocytes - (밤 속껍질로부터 기능성 음료의 개발(III) -뇌혈류역학, 평균혈압, 흉선세포 증식율에 미치는 효과-)

  • 정현우;박철훈;전병관
    • The Korean Journal of Food And Nutrition
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    • v.14 no.5
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    • pp.397-404
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    • 2001
  • The purpose of this study was to investigate effects of inner skin of chestnut on the activation of a living body's function (regional cerebral blood flow and mean arterial blood pressure in Sprague-Dawley rats, proliferation of thymocytes in normal mice and L1210 cells transplanted mice) . We used inner skin of chestnut extract(Sample A : inner skin of chestnut-panbroiled after driedextract (100$\^{C}$ ), Sample B , inner skin of chestnut-panbroiled-extract(100$\^{C}$ ) , Sample C : inner skin of chestnut -panbroiled after dried-extract(80$\^{C}$ ), Sample D : inner skin of chestnut-panbroiled-extract(80$\^{C}$)} Regional cerebral blood flow(rCBF) and Mean arterial blood pressure(MABP) were tested using Leser -Doppler Flowmetry(LDF), and the proliferation of thymcytes was tested using a colorimetric tetrazoliun assay ( MTT assay) The experimental results as follows 1. rCBF was significantly increased by Sample C in a dose-dependent manner. 2. MABP was not changed by Sample C in a 0.1mg/kg∼10.0mg/kg treated group. 3. Proliferation of thymocytes was not changed by Sample C in normal mice. 4. Proliferation of thymocytes was significantly accelerated by Sample C in L1210 cells transplanted mice.

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Effects of SosokMyeongTang extract on the Regional Cerebral Blood Flow and Blood Pressure in Rats (소속명탕(小續命湯)이 백서(白鼠)의 국소뇌혈류량(局所腦血流量)과 혈압(血壓)에 미치는 영향(影響))

  • Kim, Young-Kyun;Kwon, Jung-Nam;Kim, Kyung-Min;Cho, Eun-Hee;Park, Ji-Eun
    • The Journal of Internal Korean Medicine
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    • v.21 no.5
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    • pp.851-857
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    • 2000
  • SosokMyeongTang(SMT) have been used in oriental medicine for many centuries as a therapeutic agent for cerebral disease. The effects of SMT on the vascular system is not known. The purpose of this study was to investigate the effects of SMT on the changes in blood pressure(BP) and regional cerebral blood flow(rCBF) of rats. SMT consists of the following components : Radix Ledebouriellae(防風), Radix Cocculi or Stephaniae(防己), Semen Armeniacae(杏仁), Cortex Cinnamomi(肉桂), Radix Scutellariae(黃芩), Radix Paeoniae Lactiflorae(白芍藥), Radix Ginseng(人蔘), Rhizoma Cnidll(川芎), Herba Ephedrae(麻黃), Radix Glycyrrhizae(甘草), Radix Aconiti(附子?), Fructus Zizyphi Jujubae(大棗), Rhizoma Zingiberis(生薑) and the changes of BP and rCBF were tested Leser-Doppler Flowmetry(LDF) The experimental results were as follows ; BP was not affected by SMT in rats, but rCBF was increased significantly by SMT in a dose dependent manner. SMT increased previous decreasd rCBF due to pretreatment methylene blue, but did not increased previous decreasd rCBF due to pretreatment L-NNA, indomethacin. Pretreatment with indomethacin decreased BP compaired with control group. These results suggest that SMT causes a diverse response of blood pressure and regional cerebral blood flow(rCBF). The increased rCBF is mediated by nitric oxide synthease.

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The Development of Functional Beverage from the Inner Skin of the Chestnut Castanea crenata ( II ) -Physiological Effects of Chestnut Inner Skin Tea, Brown Rice-preen Tea and Cassia tora Tea in Mouse and Rat- (밤속껍질에서 기능성 음료의 개발(II) -밤차, 현미녹차 및 결명자차가 생체기능활성화에 미치는 효과-)

  • 전병관;정현우;이종률;지준명
    • The Korean Journal of Food And Nutrition
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    • v.13 no.5
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    • pp.411-418
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    • 2000
  • The purpose of this study was to investigate effects of chestnut inner skin tea, brown rice-green tea and Cassia lora tea on the activation of physiological functions (regional cerebral blood flow, mean arterial blood pressure, proliferation of immunocytes in vitro and in vitro, suppression of cancer cell proliferation) in mouse and rat. We used 8 weeks-old balb/c male mice, 300g ICR rats and L1210 cell lines. Regional cerebral blood flow(rCBF) and mean arterial blood pressure(BP) were measured using Leser-Doppler Flowmetry(LDF) and the proliferation of cells was measured using a colorimetric tetrazolium assay(MTT assay). The experimental results are as follows : 1. rCBF was increased by Cassia tora tea, but decreased by chestnut inner skin tea in rats. 2. BP was increased by brown rice-green tea in rats. 3. Proliferation of mouse thymocytes and splenocytes were significantly increased by chestnut inner skin tea in vitro. 4. Proliferation of mouse thymocytes was decreased by Cassia tora tea and brown rice-green tea in vitro. 5. Proliferation of mouse thymocytes was decreased by Cassia tora tea and brown rice-green tea in L1210 transplanted mice. 6. Proliferation of splenocytes was accelerated by chestnut inner skin tea in L1210 transplanted mice. 7. Proliferation of L1210 cells was inhibited by chestnut inner skin tea and Cassia tora tea in L1210 transplanted mice.

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