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      • SCIESCOPUSKCI등재

        Up-regulation of Heme Oxygenase-1 by Korean Red Ginseng Water Extract as a Cytoprotective Effect in Human Endothelial Cells

        Yang, Ha-Na,Lee, Seung-Eun,Jeong, Seong-Il,Park, Cheung-Seog,Jin, Young-Ho,Park, Yong-Seek The Korean Society of Ginseng 2011 Journal of Ginseng Research Vol.35 No.3

        Korean red ginseng (KRG) is used worldwide as a popular traditional herbal medicine. KRG has shown beneficial effects on cardiovascular diseases, such as atherosclerosis, diabetes, and hypertension. Up-regulation of a cytoprotective protein, heme oxygenase (HO)-1, is considered to augment the cellular defense against various agents that may induce cytotoxic injury. In the present study, we demonstrate that KRG water extract induces HO-1 expression in human umbilical vein endothelial cells (HUVECs) and possible involvement of the anti-oxidant transcription factor nuclear factor-eythroid 2-related factor 2 (Nrf2). KRG-induced HO-1 expression was examined by western blots, reverse transcriptase polymerase chain reaction and immunofluorescence staining. Specific silencing of Nrf2 genes with Nrf2-siRNA in HUVECs abolished HO-1 expression. In addition, the HO inhibitor zinc protoporphyrin blunted the preventive effect of KRG on $H_2O_2$-induced cell death, as demonstrated by terminal transferase dUTP nick end labeling assay. Taken together, these results suggest that KRG may exert a vasculoprotective effect through Nrf2-mediated HO-1 induction in human endothelial cell by inhibition of cell death.

      • KCI등재

        Up-regulation of Heme Oxygenase-1 by Korean Red Ginseng Water Extract as a Cytoprotective Effect in Human Endothelial Cells

        Hana Yang,Seung Eun Lee,Seong Il Jeong,Cheung-Seog Park,Young-Ho Jin,Yong Seek Park 고려인삼학회 2011 Journal of Ginseng Research Vol.35 No.3

        Korean red ginseng (KRG) is used worldwide as a popular traditional herbal medicine. KRG has shown beneficial effects on cardiovascular diseases, such as atherosclerosis, diabetes, and hypertension. Up-regulation of a cytoprotective protein, heme oxygenase (HO)-1, is considered to augment the cellular defense against various agents that may induce cytotoxic injury. In the present study, we demonstrate that KRG water extract induces HO-1 expression in human umbilical vein endothelial cells (HUVECs) and possible involvement of the anti-oxidant transcription factor nuclear factor-eythroid 2-related factor 2 (Nrf2). KRG-induced HO-1 expression was examined by western blots, reverse transcriptase polymerase chain reaction and immunofluorescence staining. Specific silencing of Nrf2 genes with Nrf2-siRNA in HUVECs abolished HO-1 expression. In addition, the HO inhibitor zinc protoporphyrin blunted the preventive effect of KRG on H<sub>2</sub>O<sub>2</sub>-induced cell death, as demonstrated by terminal transferase dUTP nick end labeling assay. Taken together, these results suggest that KRG may exert a vasculoprotective effect through Nrf2-mediated HO-1 induction in human endothelial cell by inhibition of cell death.

      • KCI등재

        키넥트 센서를 이용한 고령자 대상의 선자세 균형능력 평가

        양승태(Seung-Tae Yang),강동원(Dong-Won Kang),서정우(Jeong-Woo Seo),김대혁(Dae-Hyeok Kim),김태호(Tae-Ho Kim),최진승(Jin-Seung Choi),탁계래(Gye-Rae Tack) 대한전기학회 2017 전기학회논문지 Vol.66 No.2

        Portable low-cost Kinect sensor was used to analyze standing balance ability of the elderly. Eighty subjects who can walk alone and have a normal cognitive level participated in this experiment. Based on Berg Balance scale (BBS) test with 52 points, subjects were divided into Healthy older (HO: 46 persons, BBS: 53.80 ± 1.19) and Impaired older (IO: 34 persons, BBS: 49.06 ± 2.03) group. Each subject performed 30 seconds four different standing balance tests (EO: Eyes Open, EC: Eyes Close, EOf: Eyes Open on foam, ECf: Eyes Close on foam). Five variables (Mean distance, Range of distance, Root mean square, Mean velocity, 95% ellipse area) were calculated from the hip joint center movement of Kinect sensor. Results showed that there were significant differences between groups for four different standing tests. Calculated variables from kinect sensor showed significant correlation with BBS score. Especially, mediolateral mean distance, mediolateral root mean square, mediolateral range of distance and 95% ellipse area showed discriminative ability for all tests. Mean values of variables of IO were higher than those of HO, which means the decreased balance ability in IO compared with HO. Therefore, it was possible to estimate simple balance assessment of the elderly using portable low-cost Kinect sensor.

      • KCI등재후보

        8년간(1992~1999) 산업안전보건연구원에 의뢰된 직업병 심의 사례 분석

        강성규,김규상,김양호,최정근,안연순,진영우,최병순,양정선,김은아,채창호,최용휴,김대성,박정선,정호근 대한산업의학회 2000 대한직업환경의학회지 Vol.12 No.2

        Objectives : Pneumoconisis and noise-induced hearing loss (NIHL) have been reported as main occupational diseases by the Special Health Examination. The Industrial Accident Compensation Insurance has reported various work-related diseases, however, these two diseases occupied almost a half of compensated cases. Therefore, it was not well known about the status of occupational diseases other than pneumoconiosis, NIHL, and cardio-cerebrovascular accident (CVA). This study was conducted to analyze claimed cases as an occupational disease, that was requested to the Korea Industrial Safety and Health Agency (KOSHA). Methods : The local office of the Korea Labor Welfare Corporation (KLWC) has asked the KOSHA for confirmation of claimed cases as an occupational disease. We analyzed 379 cases requested from KLWC, the Ministry of Labor, employers, unions and occupational health agencies from 1992 to 1999. Results : Male was 80.7 % of the requested cases. Their mean age was 42 years old and 75.5 % of them were more than 35 years old. The requested cases were increased rapidly from 25 cases in 1992 to 108 cases in 1999 and the accept rate was 50.7 %. The majority of requested cases were respiratory diseases(22.4%), cancers(18.5%), Neuropsychiatric problems(14.5%), and musculoskeletal problems(13.5%). The accept rate was high in reproductive, respiratory, musculoskeletal and digestive disorders and low in neuropsychiatric, renal and otologic problems and occupational cancers. 73.6% of them were caused by chemical agents, especially 28.5 % were by organic solvents. 67% of them were clinically confirmed at university hospitals. A half of the cases were from KyongIn area, even the request came from the whole country. Conclusions : A claim was common in workers whose age was over 35 years old and exposure history was over 10 years. The respiratory diseases and neuropsychiatric disorders were still main problems in occupational health and occupational cancers was increasing even though its accept rate was not high yet.

      • KCI등재

        정신분열병에 대한 리스페리돈의 효과 및 안정성

        이민수,김용구,김영훈,연병길,오병훈,윤도준,윤진상,이철,정희연,강병조,김광수,김동언,김명정,김상훈,김희철,나철,노승호,민경준,박기창,박두병,백기청,백인호,손봉기,손진욱,양병환,양창국,우행원,이정호,이종범,이홍식,임기영,전태연,정영조,정영철,정인과,정인원,지익성,채정호,한상익,한선호,한진희,서광윤 大韓神經精神醫學會 1998 신경정신의학 Vol.37 No.1

        연구목적 : 본 시험의 목적은 임상시험 시작전에 연구자들을 대상으로 PANSS Workshop을 통하여 PANSS, ESRS에 대한 국내에서의 표준화 작업을 구축하고 새로운 정신병 치료제인 리스페리돈의 효과와 안정성을 재확인하여 리스페리돈 사용에 대한 적정화를 이루는데 있다. 연구방법 : 1996년 4월부터 1996년 9월까지 국내 39개 대학병원 정신과에 입원중인 혹은 증상이 악화되어 입원하는 정신분열병 환자 377명을 대상으로 다시설 개방 연구를 시행하였다. 1주일간의 약물 배설기간을 가진후, 리스페리돈을 8주간 투여하였고, 기준점, 1주, 2주, 4주, 그리고 8주후에 평가되었다. 용량은 제1일에는 리스페리돈 1mg씩 1일 2회, 제2일에는 2mg씩 1일 2회, 제3∼7일에는 3mg씩 1일 2회 투여하였다. 이후 환자의 임상상태에 따라 임의로 증량할 수 있으며, 최대 일일 16mg을 초과하지 않도록 하였다. 추체외로 증상을 조절하기 위한 투약을 허용하였다. 임상증상 및 부작용의 평가는 PANSS(Positive and Negative Syndrome Scale), CGI(Clinical Global Impression) 그리고 ESRS(Extrapyramidal Symptom Rating Scale)을 사용하였다. 연구결과 : 377명중 343명(91%)이 8주간의 연구를 완결하였다. 치료 종결시점인 8주후 PANSS 총점수가 20% 이상 호전된 경우를 약물 반응군으로 정의할때, 약물반응군은 81.3%였다. 리스페리돈에 반응하는 예측인자로는 발병연령, 이전의 입원 횟수, 유병기간이 관련 있었다. 리스페리돈은 1주후부터 PANSS양성, 음성, 및 일반정신병리 점수상에 유의한 호전을 보여 효과가 빨랐다. CGI의 경우도 기준점에 비해 1주후부터 유의한 감소를 나타내었다. ESRS의 경우, 파킨슨 평가점수는 기준점과 비교해 투여 1주, 2주, 4주후 유의하게 증가되었다가 8주후 기준점과 차이가 없었다. Dystonia 평가점수는 1주후만 유의한 증가를 보였으며, dyskinesia 평가점수는 유의한 차이가 없었다. 혈압, 맥박수의 생명징후 및 일반 혈액학 검사, 생화학적 검사, 심전도 검사에서 유의한 변화는 없었다. 결 론 : 이상의 다시설 개방 임상 연구를 통해 리스페리돈은 정신분열병 환자에서 양성증상뿐만 아니라 음성증상 및 전반적인 증상에도 효과적인 것으로 사료된다. 보다 명확한 평가를 위해서는 다른 항정신병약물과의 이중맹검 연구가 필요할 것으로 생각되며, 또한 장기적 치료에 대한 평가도 함께 이루어져야 하겠다. Objective : The purpose of this study was to investigate the efficacy and safety of risperidone in the treatment of Korean schizophrenic patients. Method : This multicenter open study included 377 schizophrenic patients drawn from 39 university hospitals. After a wash-out period of 1 week, the schizophrenic patients were treated with risperidone for 8 weeks and evaluated at 5 points ; at baseline, and 1, 2, 4 and 8 weeks of treatment. The dose was increased from 2mg/day(1mg twice daily) to 6mg/day(3mg twice daily) during the first week and adjusted to a maximum of 16mg/day over the next 7 weeks according to the patient's clinical response. Medication to control extrapyramidal symptoms was permitted. The psychiatric and neurological status of the patients was assessed by PANSS, CGI, and ESRS scales. Results : 343(91%) of 377 patients completed the 8-week trial period. Clinical improvement, as defined by a 20% or more reduction in total PANSS score at end point, was shown by 81.3% of patients. The predictors of response to risperidone were associated older age, shorter duration of illness, fewer previous hospitalization. Risperidone had rapid onset of action ; a significant decrease of the total PANSS and three PANSS factor(positive, negative, general), and CGI was already noticed at the end of first week. For the ESRS, parkinsonism rating scores were significantly increased until week 4 comparing with baseline. Dystonia rating scores were significantly increased until week 1, and dyskinesia rating scores were not significantly changed during the study. Laboratory parameters including vital sign, EKG, hematological, and biochemical values showed no significant changes during the trial. Conclusions : This study suggests that risperidone is generally safe and effective against both the positive and negative symptoms in our group of patients.

      • KCI등재

        컴포머에 대한 복합레진의 전단결합강도에 관한 연구

        정송란,최남기,양규호,김선미,송호준 大韓小兒齒科學會 2005 大韓小兒齒科學會誌 Vol.32 No.3

        컴포머(compomer) 충전물이 파절될 경우 즉, 컴포머 수복이 실패했을 때 기존 컴포머의 파절된 부분(aged compomer)을 복합레진으로 수복해야 하는 경우를 고려해야 한다. 본 연구에서는 컴포머의 표면처리 방법에 따른 수리(repair)를 위한 복합레진과의 전단결합강도 변화를 알아보기 위해 두 개의 mold를 만들어서 Dyract AP, F2000를 컴포머 수복재료로, Z250을 수리용 복합레진 재료로 사용하여 컴포머와 레진을 부착시킨 시편을 제작하였다. 컴포머와 복합레진의 종류 조합, 본딩레진 사용유무, 열순환 처리 유무, 표면거칠기 부여 유무, 기존 수복물의 시효(aging)에 따라 10개의 군으로 나누어, 컴포머와 복합레진간의 전단결합강도를 측정하고 그 파절양상을 관찰하여 다음과 같은 결과를 얻었다. 1. 컴포머의 복합레진에 대한 전단결합강도를 측정한 결과, Dyract AP가 F2000 보다는 높은 전단강도 값을 보였으나 통계적으로 유의한 차이는 없었으며 (p>0.05), fresh 컴포머군이 aged 컴포머군보다 결합강도가 높았다(p<0.05). 2. 각 군간의 전단결합강도를 측정한 결과 Dyract AP에 접착제를 도포하고 Z250을 접착시킨 제 5군이 가장 높았으며, Dyract AP를 충전하고 1주일간 물에 보관한 후 건조시켜 표면을 roughening 한 후 Z250을 충전시킨 제 9군에서 가장 낮았다(p<0.05). 3. 열순환을 시행한 군이 시행하지 않은 군보다 전단결합강도가 낮게 나타났으나 통계적으로 유의한 차이는 없었다. 4. 각 재료들의 결합실패가 일어난 파절단면을 조직학적으로 관찰한 결과, 전반적으로 접착파괴를 보였으나, 접착제를 도포한 군에서는 응집파괴가 우세하게 나타났다. 이상의 결과 fresh 컴포머 위에 접착제를 도포한 다음 수리용 복합레진 재료를 사용함으로써 컴포머와 복합레진간의 결합력을 증가시킬 수 있음을 알 수 있었다. 그리고 fresh 컴포머 위에 복합레진을 즉시 충전한 경우가 높은 결합력을 얻을 수 있었다. Aged 컴포머와 복합레진간의 성공적인 결합력을 얻으려면 aged 컴포머의 표면을 mechanically roughening하고 접착제를 도포한후 복합레진을 충전해야 할 것으로 사료된다. For the purpose of comparing the bond strengths of compomers to composite resin, composite 2250, and two polyacid modified composite resin, Dyract AP and F2000, were selected and investigated using universal testing machine for measuring the shear bond strengths. Additionally, the failure modes were examined by observing the fractured surfaces of each specimen. The following results were obtained. 1. The shear bond strength of Dyract AP to Z250 were higher than those of F2000, but there was no statistically significant difference between group 1 and group 3(p>0.05), and groups using fresh compomers showed higher bond strength than those using aged compomers(p<0.05). 2. After measuring the shear bond strength of each group, it was highest in group 5 and was lowest in group 9(p<0.05). 3. Although there was no statistically significant difference, groups treated with thermocycling showed lower bond strengths than those of non-thermocycling groups. 4. Overall compomer/composite resin failures were adhesive. Cohesive failures occurred mainly in groups using bonding agent. Based on these results, the application of a bonding agent on fresh polyacid-modified resin composite increases the bond strength between polyacid-modified resin composite and composite resin. Additionally, the surface of aged polyacid-modified resin composite has to be roughened mechanically and a bonding agent has to be used in combination with composite resin.

      • 육우 비선호 부위를 활용한 육우햄의 품질특성

        이주호, 최정석, 정준영, 최양일 忠北大學校 農業科學硏究所 2012 農業科學硏究 Vol.28 No.3

        This study was undertaken to compare the quality characteristics of dairy beef ham. Dairy beef hams were manufactured using non-preferred portion (top round). 5 treatments were prepared: T1(beef 50% + pork emulsion 50%), T2(beef 65%emulsion 35%), T3(beef 80%emulsion 20%), T4(beef 90%emulsion 10%), T5(beef 100%emulsion 0%). In chemical composition, dairy beef content increases, moisture content was increased, fat content was decreased. In the meat quality characteristics, T5 showed higher (p<0.05) water holding capacity value than the others. Dairy beef content increases, product loss and cooking loss were decreased. In hunter color, dairy beef content increases, redness was increased. In texture profile analysis, T4 and T5 were significantly higher than the others. As a result, dairy beef ham with 80~90% dairy beef and 10~20% pork emulsion has low fat content, high product yield and superior texture profile, which could be developed as a dairy beef hams using non-preferred portion.

      • 방사선 조사를 받은 흰쥐 망막 속얼기층의 미세구조

        양석우,고정식,양남길,안의태,박경호 순천향의학연구소 1995 Journal of Soonchunhyang Medical Science Vol.1 No.2

        본 실험은 머리부분이 많은양의 방사선에 노출되었을 때 망막 속얼기층의 미세구조적 변화를 관찰하기 위하여 시행하였다. 실험동물로는 체중 200-250g의 흰쥐를 사용하였으며, 마취상태에서 머리부분에만 방사선을 조사하였다. 방사선 조사는 미쓰비시 선형가속기를 이용하여 조사거리 80cm, 구역 30cm X 30cm, 깊이 1.2cm 조건에서 1분당 200rad씩 연속조사하여, 3,000rad 또는 6,000rad를 조사한 후 6시간, 2일, 6일후에 희생시켰다. 각 동물은 1% glutaraldehyde- 1% paraformaldehyde액으로 관류고정하였다. 관류가 끝난 후 안구를 적출하여 톱니둘레를 따라 절단한 다음, 망막의 일정부위에서 조직을 떼어냈다. 떼어낸 조직은 2.5% glutaraldehyde- 1.5% paraformaldehyde액에 일차고정한 후 1%osmium tetroxide액에 이차고정하였다. 고정된 조직은 수세와 탈수과정을 거쳐 araldite혼합액에 포매한 다음 얇은 절편을 작성하여 uranly acetate와 lead citrate로 염색한 후 전자현미경으로 관찰하여 다음과 같은 결과를 얻었다. 1. 무축삭신경원의 세포질돌기는 전자밀도가 높은 어두운세포와 전자밀도가 낮은 밝은세포로 구분되었으며, 밝은 세포 가운데에는 과립형연접소포를 갖고 있는 돌기가 관찰되었다. 2. 3,000rad조사 후 6시간군의 경우 밝은 무축삭신경원이 세포질돌기와 신경절세포의 가지돌기는 팽대되었으며 사립체와 세포막이 파괴되는 모습이 관찰되었는데, 2일군의 경우 그 경향이 가장 심했다. 3. 3,000rad조사 후 6일군의 경우 부챗살아교세포의 영역이 넓어져서 전체적인 조직의 모습이 2일군의 것에 비하여 많이 회복되어 보였다. 4. 6,000rad조사 6일군의 경우 부챗살아교세포는 미세사가 많고 전자밀도가 높은 변성된 세포가 자주 관찰되었다. 이상의 결과를 종합해 보면 3,000rad의 방사선을 조사받으면 흰쥐망막의 속얼기층은 처음에는 무축삭신경원의 세포질돌기와 신경절세포의 가지돌기가 손상을 받았으나, 6일 후에는 부챗살아교세포의 영역이 넓어져서 많이 회복되었다. 그러나 6,000rad정도의 방사선을 조사하면 부챗살아교세포도 변성되어 속얼기층 전체가 변성된것으로 보아, 부챗살아교세포는 무축삭신경원이나 신경절세포에 비하여 방사선에 대한 저항성이 높다고 생각된다. This experiment was performed to study the morphological respones of the inner plexiform layer of the retina of rat following X-ray irradiation. Rats anethetized with sodium thiopental, were exposed only on their head areas with a single dose of 3,000rads or 6,000rads, respectively. Radiation was produced by Mitsubishi linear accelerator, at the speed of 200rads/min. The experimental groups were sacrificed on the 6th hour, 2nd hour, 2nd and 6th day after X-ray irradiation. Under anethesia, 1% glutaraldehyde- 1% paprformaldehyde solution was perfused through the heart. Pieces of the tissue taken from the posterior region of the retina were fixed in 2.5% glutaraldehyde- 1.5% paraformaldehyde, and in 1% osmium tetroxide, and embedded in araldite mixture. Ultrathin sections were stained with uranyl acetate and lead citrate solutions. From the ultrastructural study, following results were made: 1. Two types of amacrine cells, according to their elecrton densities, were found, i.e., light amacrine cell and dark amacrine cell. Granular synaptic vesicels were often observed in the light amacrine cells. 2. Two days after exposure to 3,000rads of X-ray, severe morphological changes were observed in cytoplasmic processes of light amacrine cells and dendrite of ganglion cells; i.e., edematous changes, framoentation of mitochondria, breakdown of cell membranes, etc. 3. Six days after exposure to 3,000rads of X-ray, many of the malformaitons were seen to be repaired, except the territory of activated Muller cell. 4. Six days after exposure to 6,000rads of X-ray, darkly degenerated Muller cell were frequently observed. From the above results, it was concluded that large amount of head-irradiation results the severe damages to the cytoplasmic processes of amacrince cell and the dendrites of ganglion cell in the inner plexiform layer of rat retina, but Muller cells are more radioresistant than amacrine and ganglion cells.

      • KCI등재

        원자력 발전소 저압 터빈 동익 자동 초음파 검사 기술 개발

        양승한,이정빈,김영호,윤병식,김용식 한국비파괴검사학회 2004 한국비파괴검사학회지 Vol.24 No.4

        원자력 발전소의 터빈에서 운전 연수 증가에 따라 pin finger형 블레이드 루트부에 균열이 발생하는 문제점이 발생되었다. 블레이드 루트부에 대한 비파괴검사는 매 계획 예방 정비기간 동안 수동 초음파 검사를 통하여 수행되어 왔으나, 검사의 신뢰성을 확보하기 위해 해당 설비에 대한 자동 초음파 검사 기술 개발의 필요성이 대두되었으며, 이에 따라 자동 초음파 검사 장비 및 검사 기술을 개발하였다. 개발된 검사 장비의 적용성을 확인하기 위해 계획 예방 정비 기간 중 저압터빈 2,3단 블레이드 루트부에 대한 자동 초음파 검사를 수행하고, 다양한 형태의 터빈 검사에 확대 적용 가능성을 확인하였다. As the turbine running duration in nuclear power plants increases, cracks have been found in the pin finger type blade root area. The nondestructive examination for the blade root area has been carried out by manual ultrasonic examination during the overhaul period, but because of necessity to improve the reliability, we developed an automatic ultrasonic examination system and technique. To demonstrate the performance of the developed automatic ultrasonic examination system, low pressure turbine blades in the 2nd and 3rd stages of nuclear power plants were examined using developed system. Its applicability nuclear power plant turbine roots of various types was also confirmed.

      • 敗令散 및 補中治濕湯이 Puromycin Aminonucleoside로 誘發된 白鼠의 腎症에 미치는 影響

        梁文浩,曺東鉉,安世永,鄭定烈,杜鎬京 慶熙大學校韓醫科大學韓醫學硏究所 1995 慶熙韓醫大論文集 Vol.18 No.2

        The effects of Paeryungsan and Bojungchiseubtang on rats with nephrosis induced by a single intravenous injection of puromycin aminonucleoside(PAN), 2.5mg/100g of body weight were evaluated in the present study. The effects of Paeryungsan and Bojungchiseubtang on PAN nephrosis were evaluated by measuring ①the concentrations of albumin, total protein, total lipid, cholesterol, triglyceride, creatinine, blood urea nitrogen and uric acid in the serum, ②the amount of volume, protein, glucose and creatinine of the 24hours urine ③the concentration of blood in the urine, intake water, and by observing the changes of microscopic findings of kidney. The results are summerized as follows; 1. In the control group, the concentrations of cholesterol, creatinine, blood urea nitrogen in the serum, the amount of protein and glucose of 24 hours urine, creatinine of 24 hours urine and 24 hours urine volume on the 22th day were significantly increased. On the other hand, the concentration of albumin in the serum, the amount of creatinine of 24 hours urine on the 8th day, the volume of 24 hours urine and the intake water on the 8th, 15th day were decreased significantly. Electron microscopic findings were the segmental obliteration of the foot processes, swelling and villous transformations of the visceral epithelial cells and partial increase of the mesangial matrix. 2. In Paeryungsan group, the decrease of albumin in the serum and intake water were inhibited significantly. But the increase of the concentrations of cholesterol and blood urea nitrogen in the serum were inhibited significantly. And the amount of creatinine of 24 hours urine was increased significantly. There was no significant difference between Paeryungsan group and the control group in electron microscopic findings. 3. In Bojungchiseubtang group, the decrease of albumin in the serum and intake water were inhibited significantly. But the increase of the concentrations of cholesterol, total lipid, creatinine, blood urea nitrogen in the serum and the amount of protein in the 24 hours urine were inhibited significantly. The concentration of protein in the serum was increased significantly. There was no significant difference between Bojungchiseubtang group and the control group in electron microscopic findings. To conclude, PAN nephrosis was induced by a single intravenous injection of PAN 2.5mg/100g of body weight on rats. It can be inferred that Paeryungsan group has the effects of improving hypoalbuminemia in nephrotic syndrome and relieving azotemia when nephrotic syndrome is accompanied by the acute renal failure. It can be inferred that Bojungchiseubtang may improve proteinuria, hypoalbuminenia, hyperlipidemia in nephrotic syndrome. But there was no significant difference between Paeryungsan and the control group, between Bojungchiseubtang group and the control group in electron microscopic findings. So I hope that there will be further studies on the effect on the alterations of glomerular polyanion sites, and on the functioning mechanism of Paeryungsan and Bojungchiseubtang in the future.

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