• Journal of Acupuncture Research
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• v.17 no.2
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• pp.221-230
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• 2000

This study was undertaken to determine effect of Zusan1i(ST36) acupuncture (AP) on the small intestinal motility in the rabbit. Changes in the motility in vivo of ileum was measured before and 20 min. after AP. In order to examine whether AP effect was affected by autonomic nerves, norepinephrine or acetylcholine was applicated. AP significantly increased the mean wave amplitude and motor index, but not the mean wave duration and motor activity. Infusion of norepinephrine ($2{\mu}m$) into an ear vein resulted in a decrease in the mean wave amplitude and motor index, which was not affected by AP. Acetylcholine ($10{\mu}m$) produced inhibition followed by stimulation of motility. The stimulation of motility was induced by an increase in the mean wave amplitude and motor index, but not the mean wave duration and motor activity. The effect of acetylcholine was not significantly different between before and after AP. These results suggest that Zusan1i(ST36) acupuncture stimulates the small intestinal motility, which is not mediated by autonomic nerves. Therefore, Zusan1i(ST36) acupuncture seems to be applicable to impaired small intestinal movement.

• Journal of Acupuncture Research
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• v.27 no.6
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• pp.67-75
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• 2010

목적 : 족삼리($ST_{36}$) 자침이 유방 조직에 미치는 혈역학적 변화를 측정하기 위하여 diffuse optical imaging 기법을 사용하였다. 방법 : 실험에 사용한 쥐는 자침을 하지 않은 대조군 7마리, 자침을 한 실험군 7마리로 총 2개의 군으로 나누었다. 몸무게 170g 정도의 건강한 암컷 쥐는 100% 산소와 1.5% isoflurane을 혼합한 것을 이용하여 마취 시켰다. 자침은 경골 조면에서 2mm 외측에 위치한 지점인 족삼리($ST_{36}$)에 20분간 시행하였다. 자침을 시작할 때와 자침 후 10분에 각각 침을 5회 회전하였다. Diffuse optical imaging system을 이용하여 자침하는 동안 의 산화혈색소(OHb), 탈산소혈색소(RHb), 총 혈색소(THb)와 조직 산소 포화도($StO_2$)의 변화를 측정했다. 결과 : 실험 결과 족삼리($ST_{36}$) 자침을 시행한 실험군에서 대조군에 비하여 유의성이 있는 OHb, RHb, THb의 증가와 유의성이 없는 $StO_2$의 감소가 나타났다. 결론 : 이러한 결과 족삼리($ST_{36}$) 자침이 혈류를 증가시키고 동시에 세포 대사 활동을 증가 시키는 것을 알 수 있었다. 또한 diffuse optical imaging 기법으로 족삼리($ST_{36}$) 자침 시의 유방 조직의 산소공급과 혈류량의 변화를 확인할 수 있었고, 이는 비침습적으로 자침의 효과를 측정하는 데 활용될 수 있을 것으로 생각된다.

• The Journal of Internal Korean Medicine
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• v.30 no.1
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• pp.1-8
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• 2009

Objective : The aims of this study were to observe how body weight and gastric morphology were changed and whether gastric emptying was impaired in rats with partial pyloric obstruction. and to evaluate whether electroacupuncture was able to restore delayed gastric emptying. Methods : Partial pyloric obstruction was induced by wrapping a nonabsorbable rubber ring around the 1st portion of the duodenum for 2 weeks. Body gain and morphologic changes of stomach were investigated and compared with normal intact rats. Gastric emptying was measured by numbering expelled glass of beads in rats. Rats were divided into 4 groups(non-acupuncture, manual acupuncture. 3Hz-electroacupuncture. 60Hz-electroacupuncture). Stimulus intensity in two electroacupuncture groups was 1.2 times of pain threshold. Results : Partial pyloric obstruction produced a significant loss of body weight and induced a significant increase of gastric surface area. The 60Hz electroacupuncture-stimulated group significantly restored the delayed gastric emptying compared to the other groups of rats with partial pyloric obstruction. Conclusion : 60Hz electroacupuncture stimulation on Zusanli(ST36) showed significant restoration of delayed gastric emptying in rats with partial pyloric obstruction.

• The Journal of Internal Korean Medicine
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• v.30 no.1
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• pp.191-199
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• 2009

Objectives : The aim of this study was to evaluate the therapeutic effect of acupuncture and herbal medicine in patients who had hvpoactivity of the gastric vagus nerve and pyloric valve disturbance simultaneously with function dyspepsia by bowel sounds analysis. Methods : Bowel sounds of 10 patients (male 1, female 9) were recorded and their % of bowel sound (%BS) and ratio of dominant frequency (DF) were analyzed before and after treatment. Hypoactivity of the gastric vagus nerve was considered if % BS was <6%. and pyloric valve disturbance was accepted if DF ratio (e.g.. postprandial DF/fasting DF) was <1. Electroacupuncture at Zusanli (ST36, 3Hz, 30 minutes) and manual acupuncture at other meridian points were applied daily for 2 weeks. Herbal medicine, Pyengwi-san. was administered to all patients (100cc, 3 times/day). Results : DF ratio significantly increased from $0.93\pm0.06$ to $1.06\pm0.04$ after treatment for 2 weeks (p=0.005). 9 of 10 patients were improved to DF ratio>1. %BS also increased from $2.97\pm1.17%$ to $4.49\pm4.27%$. not significantly. 3 patients showed a remarkable elevation, and their %BS reached >6% of normal value. Conclusions : Combined effect of electroacupuncture at Zusanli (ST36), manual acupuncture. and Pyengwi-san was shown effective in the improvement of pyloric valve disturbance more than hypoactivity of gastric vagus nerve on patients with functional dyspepsia.

• Journal of Acupuncture Research
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• v.19 no.5
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• pp.176-188
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• 2002

Objective : Sono-acupoint (SA) therapy is a new therapeutic technique that combined with acupuncture points, herbal medicine and ultrasound therapy. This study was carried out to investigate the analgesic and anti-inflammatory effects of sono-acupoint therapy. Methods : We performed the tail-flick test with normal rats to examine the tail-flick latency (TFL), and the Freund's adjuvant-induced arthritis rat model to examine the edema, skin temperature and serum concentration of c-reactive protein and rheumatoid factor (RF). Herbal SA (HSA) treatment was performed at bilateral Zusanli (ST36) with the hanbang-gel made of several selected herbal drugs in Sprague-Dawley rats (male, $250{\pm}30g$). General SA (GSA) treatment was performed at bilateral Zusanli (ST36) with the gel used in ultrasound therapy. In arthritis rat model, Freund's adjuvant (50mg/ml) was injected in dorsal part of right foot, and these treatments were performed after 15 days. Results : TFL was lengthened after SA treatments. Skin temperature and RF concentration that were the evidence of arthritis in rats were decreased by HSA treatment (P < 0.05). Conclusion : These results indicate that HSA has the analgesic and anti-inflammatory effects in rats, and further developments will produce the advance of this new therapeutic skill.

• Korean Journal of Acupuncture
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• v.19 no.2
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• pp.13-33
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• 2002

This study was examined for effects of acupuncture of Zusanli (ST36) on the facial thermography in health subjects. The volunteers who participating in this study had taken rest for 20 - 30 mins in room temperature (23-$25^{\circ}C$) before the examination and informed them what to prohibit smoking, drinking and administration of drug for the previous day. The thermography of face was taken using Infra-Red Imaging System (IR 2000, MEDI-CORE Co., Korea) by time interval of 15 minutes at 15 min before, just before and 15 min after, 30 min after and 45 min after acupuncture stimulation. Acupuncture was applied to the left ST36 for 30 mins. The results showed that acupuncture of ST36 significantly decreased the temperature of all the areas of facial surface comparing to those of control group. Also, it was observed that the quantities of thermal changes following acupuncture of ST36 been increased significantly at the A1, A4, A6, A7 and A9 ROIs (region of interest) comparing that of control group. Observed the thermography classified by ROI, it was clear the fact that acupuncture of ST36 could modulate the specific areas concerning to the facial pathway of Stomach Meridian, because the thermal responses following acupuncture of ST36 were specific at the A1, A2, A5 and A9 ROIs, relatively. These results suggest that acupuncture of ST36 may modulate thermal distributions and changes of facial areas concerned with Stomach Meridian.

• The Journal of Korean Medicine
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• v.26 no.3 s.63
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• pp.13-26
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• 2005

Objectives : Applying herbal-acupuncture using Ursi Fet into Zusanli (UZ) on to the atopic dermatitis (AD) in mice to study changes in external dermal formation, change of leukocytes in vasculature, change of lipid formation in stratum corneum and distribution of ceramide. This study was done through forcing an injury to the mice's back skin which damages the lipid protection formation in the stratum corneum. Methods : The AD which was caused intentionally using the external application on the mice's back skin was treated with VB; the change of leukocytes in the vasculature was identified through optima 5.2 and Student's t-test and the results were made into a dermal formation graph. Results : After dispensing UZ into the AD, the dermal injury decreased. The recovery of the lipid protection formation which includes lipid and ceramide in the stratum comeum (for suppressing acute inflammation due to factors such as PKC, $TNF-\alpha,\;IL-1\beta$, which controlled the secretion of the relating inflammatory cytokine) also went on to show a decrease of both angiogenesis and degranulated mast cells. In addition, the decrease of epithelial injury also caused the growth of cells to decrease in the stratum basale and cytoclasis. In the vasculature, the leukocytes were also decreased na this could relate to a decrease in AD. Conclusions : UZ has an effect on AD by suppressing dermal injury through the recovery of the lipid protection formation in the stratum corneum.

• Journal of Physiology & Pathology in Korean Medicine
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• v.21 no.2
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• pp.444-452
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• 2007

Acupuncture treatment cures disease by regulating the functional excessiveness or deficiency which occurs in the meridian and visceral organs, and by letting stagnated Qi and Blood flow through the whole body and then controlling Qi. Whether or not to have Qi feeling is the main factor needed to manifest the efficacy of acupuncture. So it needs the very stimulus to make Qi felt rather than the simple stimulus. In order to have Qi feeling, it needs to acupuncture a patient according to patient's thinness or fatness, constitution, richness or poverty and age. And also it needs to vary the way to acupuncture a patient according to meridian, kinds of pulse, degrees of disease, new or old diseases, seasons with a disease and local areas of disease. In order to ascertain that it is important for the quality and quantity of acupuncture stimulus and the state of feeling acupuncture to get the efficacy of acupuncture, the experiment was planned to confirm whether the form and Qi of subject has different result according to the stimulated duration and depth. On the basis of the report that acupuncture on derma, when using electroacupuncture at Zusanli(ST 36) which denotes small intestinal motility, is more efficient than full depth acupuncture, I got the following result, after I observed whether the stimulated duration and depth give different efficacy according to the sex and weights of rat in experiment. The increased effects of small intestinal motility by electroacupuncture on Zusanli(ST 36) appeared after stimulating full depth for thirty minutes without distinction of sex and weights. This significant change was observed only in the female experimental group when I distinguished the sex. The small interstinal motility in rats by electroacupuncture at zusanli(ST 36) decreased in the 10 minutes' stimulated group and 30 minutes' stimulated group by duration on the one hand, and derma-deep stimulated group and full depth stimulated group by the depth of stimulus on the other hand, as the weights increased. This result shows that the duration and depth of acupuncture depends on the differences of acupuncture points, sex of the experimental animals, ages, and, weights. And the further study on the experimental and clinical differences and sextual differences need to be continued on.

• The Korean Journal of Physiology and Pharmacology
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• v.18 no.2
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• pp.121-127
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• 2014

Acupuncture is the process of stimulating skin regions called meridians or acupoints and has been used to treat pain-related symptoms. However, the pain-relieving effects of acupuncture may be different depending on acupoints. In the present study, the effects of acupuncture on behavioral responses and c-Fos expression were evaluated using a formalin test in male Sprague-Dawley rats in order to clarify the analgesic effects of three different acupoints. Each rat received manual acupuncture at the ST36 (Zusanli), SP9 (Yinlingquan) or BL60 (Kunlun) acupoint before formalin injection. Flinching and licking behaviors were counted by two blinded investigators. Fos-like immunoreactivity was examined by immunohistochemistry in the rat spinal cord. Manual acupuncture treatment at BL60 acupoint showed significant inhibition in flinching behavior but not in licking. Manual acupuncture at ST36 or SP9 tended to inhibit flinching and licking behaviors but the effects were not statistically significant. The acupuncture at ST36, SP9, or BL60 reduced c-Fos expression as compared with the control group. These results suggest that acupuncture especially at the BL60 acupoint is more effective in relieving inflammatory pain than other acupoints.

• The Journal of Korean Physical Therapy
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• v.19 no.1
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• pp.57-66
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• 2007

Purpose: We investigated the effects of the combined therapy in rats with rheumatoid arthritis induced by type II collagen for 28 days, which consisted of the oral administration of the AR and EA applied to zusanli acupoint(ST36). Methods: Normal group was oral administered with 0.9% NaCl $0.5\;m{\ell}/day$ to normal rats. Control group was oral administered with 0.9% NaCl $0.5\;m{\ell}/day$ to arthritic rats. Group I was oral administered with AR 500 mg/kg $0.5\;m{\ell}/day$ to arthritic rats. Group II was given 2 Hz EA of ST36 in the test group for 30 min/day to arthritic rats. Group III was oral administered with AR 500 mg/kg $0.5\;m{\ell}/day$ and 2 Hz EA of ST36 in the test group for 30 min/day to arthritic rats. We Observed effect of the histopathological changes by H&E stain of liver, kidney, knee joint and ELSIA of cytokines($TNF-{\alpha}$). Results: 1. The vacuolization of liver tissue was decreased in group I, II, III comparing with control group. 2. The glomerular sclerosis of kidney tissue was decreased in group I, II, III comparing with control group. 3. The erosion of arthritic site of knee joint tissue was decreased group I, II, III comparing with control group. In particular group III was the most effective comparing with group I, II on the histopathological view. 4. In the ELSIA test of $TNF-{\alpha}$ concentration, Control group significantly increased in the concentration more than group I, II, III. The rate of increase in concentration slowed down in group III more than group I, II(p<0.05). Conclusion: It is concluded that 500 mg/kg of AR extracts and EA have clear therapeutic effect on the rheumatoid arthritis.