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김동찬,이윤수,권오원,민창기,김태현,박경모 경희대학교 디자인연구원 2004 예술· 디자인학연구 Vol.7 No.1
We, Kyung-hee University in Suwon has planned to build an open-air theater behind the building of natural science, and feel the need of creating places for cultural life and recreation. As the origin aim of this construction and landscape, university students can use this facilities and place for their daily relaxation and cultivation of emotion, and they also can utilize them for places of their meetings and events. Concerning the following completion of the UN Peace Park, our theater and the surrounding places will expectingly play important roles for the park because the open-air No-cheon theater is included in the full site of the UN Peace park. The focused elements of this basic plan are maintaining the basic plan of the UN Peace Park, forming the visually creative background, of the open-air theater cultural and recreational places, balancing and integrating human, nature, and the useful facilities.
Park, Chan-Je,Jeon, Kyung-A,Kwon, Ho-Beom 大韓齒科保存學會 2006 Restorative Dentistry & Endodontics Vol.31 No.3
본 연구의 목적은 근관내 약제로 사용되는 수산화칼슘의 제거방법이 근관충전 후 치근단 미세누출에 미치는 영향을 알아보기 위함이다. 70개의 발거된 단근치를 엔진구동형 ProFile로 근관형성한 후 수용성 수산화칼슘 제제를 1주일간 적용하고 두 군으로 나누어 각기 다른 방법으로 제거하였다. A군은 NaOCI로 근관세정만을 시행하였으며, B군은 근관형성 시 사용된 file보다 한 단계 큰 크기의 ProFile을 사용하여 근관을 재형성한 후 NaOCI로 세척하였다. 근관충전 후 전기화학적 방법으로 24일 동안 치근단 누출을 측정, 비교하였다. 본 연구의 결과 수산화 칼슘 제거를 위한 두가지 방법은 근관충전후 치근단 미세누출에 있어서 차이가 없음을 알 수 있었다. This study evaluated the effect of two different calcium hydroxide (Ca(OH)_(2)) paste removal techniques on the apical leakage of canals obturated with gutta percha cones and sealer after removing a Ca(OH)_(2) dressing using an electrochemical method. Seventy extracted single-rooted teeth were instrumented on with Profile rotary files under NaOCI irrigation. Fifty-eight canals were filled with calcium hydroxide paste, which was then removed using one of the following two techniques. In group A, calcium hydroxide was removed using only NaOCI irrigation, and in group B, the canals were re-prepared with a Profile rotary files-one size larger than the previous instrument and were irrigated with NaOCI. In both groups, the root surfaces were coated twice with nail varnish from CEJ to an area 4㎜ away from the apex after canal obturation. Apical leakage was measured using an electrochemical method for 24 days. All the specimens showed leakddffqage that increased markedly in the first three days. There was no significant difference between the two groups (p > 0.05). The effect of two calcium hydroxide paste removal techniques on the apical leakage was not different during a short period.
Perspective : NDRG3-mediated lactate signaling in hypoxia
( Kyung Chan Park1 ),( Dong Chul Lee ),( Young Il Yeom ) 생화학분자생물학회(구 한국생화학분자생물학회) 2015 BMB Reports Vol.48 No.6
Hypoxia is associated with many pathological conditions as well as the normal physiology of metazoans. We identified a lactate-dependent signaling pathway in hypoxia, mediated by the oxygen- and lactate-regulated protein NDRG family member 3 (NDRG3). Oxygen negatively regulates NDRG3 expression at the protein level via the PHD2/VHL system, whereas lactate, produced in excess under prolonged hypoxia, blocks its proteasomal degradation by binding to NDRG3. We also found that the stabilized NDRG3 protein promotes angiogenesis and cell growth under hypoxia by activating the Raf-ERK pathway. Inhibiting cellular lactate production abolishes NDRG3-mediated hypoxia responses. The NDRG3-Raf-ERK axis therefore provides the genetic basis for lactate-induced hypoxia signaling, which can be exploited for the development of therapies targeting hypoxia-induced diseases in addition to advancing our understanding of the normal physiology of hypoxia responses. [BMB Reports 2015; 48(6): 301-302]
김종민,박창원,오정자,이보경,서경원,서수경,김규봉,김종원,김광진,김영옥,전범석,박찬웅,이선희 식품의약품안전청 2001 식품의약품안전청 연보 Vol.5 No.-
1960년대 이후 파킨슨병의 유발물질 중 한 후보로서 망간이 주목받으면서 많은 역학적, 병러학적 연구가 수행죄브다. 그러나 망간이 파킨슨병을 직접 일으키는지, 혹은 파킨슨병과 관련된 부위의 신경세포를 파괴시쿡 파킨슨증만을 초래하는 것인지가 아직 정립되지 않은 실정이다 본 연구에서는 실험동물모델에서 행등학적 변화 측정 및 병리학적, 샐화학적 연구를 통하여 망간의 과다노출글 따른 파킨슨병 유발 여부를 확인하고자 하였다. Sprague-Datylet· 렛드에 망간을 1, 2, 5, 10 mgAg/day의 응량으로 30일 등안 복강 투여하였을 때 모든 망간투여군에서 운동성 감소가 관찰되었다. 뇌조직의 망간 함량을 ion chromatograph?로 측정한 결과 중뇌 흑질과 기저핵 선조체에서 망간 함량의 뚜렷한 증가 소견이 관찰되었으며, 니슬염색체서 선조체의 신경세포수의 유의성 있는 감소가 관찰되었다. 그러나, 흑질의 TH효소 면역염색, GFAP 면역염색, 흑질과 선조체의 T릿효소 western blot 결과는 대조군과 차이가 없었다. 이상의 결과에서, 망간-파킨슨증 모델에서 파킨슨증어 유발되는 기전은 흑질 도파민성 신경 세포의 신호를 받는 선조체 씬경세포의 사멸에 의한 것으로 생각된다. 결론적으로, 망간 독성에 의한 파킨스증 모델에서는 파킨슨 병과는 달리 흑질 도파민성 신경세포의 세포사는 관여하지 않는 것으로 관찰되었다. Manganese(Mn) intoxication causes a parkinsonian syndrome. It may be difficult to distinguish Mn-induced parkinsonism from idiopathic Parkinson disease(IPD). Neuropathological descriptions on the brains with Mn intoxication showed the perferential damage in the globus pallidus and substantia nigra pars reticularis. Pathological reports on the substantia nigra pars compacta(SNpc), a mafor focus of pathologic changes in IPD, are discordant and controversial. The SNpc involvement is of critical importance for the elucidation of pathogenesis of IPD. Therefore, the neurodegeneration in SNpc was investigated in the experimental model of Mn neurotoxicity. Sprague-Dawley rats were administered with manganese chloride(1, 2, 5, 10 mg/kg/day, i.p.) for 30 days. Treated animals showed low levels of distance-traveled from locomotor activity tests. Ion chromatography revealed that Mn accumulation was significant in SN and basal ganglia in Mn-treated animals. Nissl staining showed neuronal loss of the striatum in all treated animals. The degree of neurodegeneration in SN was determined by immunohistochemical staining of tyrosine hydroxylase(TH). The numbers of TH-positive cells on nigral sections were not different from each groups(P>0.05). The densities of glial fibrillary acidic protein immunoreactivity from SN were similar between groups. TH-westen blotting showed no differences between treated animals and controls. In conclusion, the SNpc remains intact in Mn intoxication, and Mn-induced parkinsonism may be caused by damages of output pathways downstream to the nigrostriatal dopminergic system.
Elevational Distribution of Breeding Bird Communities in Seoraksan National Park, Korea
( Hyun-su Hwang ),( Jae-kang Lee ),( Tae-kyung Eom ),( Ho-kyoung Bae ),( Dong-ho Lee ),( Jong-hwan Lim ),( Sung-cheol Jung ),( Chan-ryul Park ),( Shin-jae Rhim ) 한국산림과학회(구 한국임학회) 2020 한국산림과학회지 Vol.109 No.1
In this study, the elevational distribution of breeding birds in Seoraksan National Park, Korea was investigated. Forty-six species of birds were documented from line transect surveys taken from Seorakdong at 230 m above sea level (a.s.l.) to the Daechungbong summit at 1708 m asl. Birdspecies richness and diversity were highest in Seorakdong and lowest at the Daechungbong summit. As elevation increased, bird species richness and diversity decreased, with a humped-shape trend being observed between 700 m and 1200 m a.s.l. Stepwise analyses revealed that breeding bird species diversity indices were significantly negatively correlated with elevation (r<sup>2</sup> = 0.327, P < 0.001) and positively correlated with vegetational coverage (r<sup>2</sup> = 0.324, P = 0.046). Higher elevations supported fewer birds than low and intermediate elevations. Projections at the local scale, including data on behavior and habitat use by birds, will be necessary for optimal conservation and management of the bird communities in Seoraksan National Park.
Elevational Distribution of Breeding Bird Communities in Seoraksan National Park, Korea
Hwang, Hyun-Su,Lee, Jae-Kang,Eom, Tae-Kyung,Bae, Ho-Kyoung,Lee, Dong-Ho,Lim, Jong-Hwan,Jung, Sung-Cheol,Park, Chan-Ryul,Rhim, Shin-Jae Korean Society of Forest Science 2020 한국산림과학회지 Vol.109 No.1
In this study, the elevational distribution of breeding birds in Seoraksan National Park, Korea was investigated. Forty-six species of birds were documented from line transect surveys taken from Seorakdong at 230 m above sea level (a.s.l.) to the Daechungbong summit at 1708 m asl. Birdspecies richness and diversity were highest in Seorakdong and lowest at the Daechungbong summit. As elevation increased, bird species richness and diversity decreased, with a humped-shape trend being observed between 700 m and 1200 m a.s.l. Stepwise analyses revealed that breeding bird species diversity indices were significantly negatively correlated with elevation (r<sup>2</sup> = 0.327, P < 0.001) and positively correlated with vegetational coverage (r<sup>2</sup> = 0.324, P = 0.046). Higher elevations supported fewer birds than low and intermediate elevations. Projections at the local scale, including data on behavior and habitat use by birds, will be necessary for optimal conservation and management of the bird communities in Seoraksan National Park.
급성기 뇌경색 환자에서 화열 관련 증상과 증후의 변화에 관한 연구
곽승혁,박수경,우수경,이은찬,박주영,정우상,문상관,조기호,조승연,박성욱,고창남,Kwak, Seung-hyuk,Park, Su-kyung,Woo, Su-kyung,Lee, Eun-chan,Park, Joo-young,Jung, Woo-sang,Moon, Sang-kwan,Cho, Ki-ho,Cho, Seung-yeon,Park, Sung-wook,Ko, Ch 대한중풍순환신경학회 2011 대한중풍.순환신경학회지 Vol.12 No.1
Objective : Fire and heat related symptoms and signs are considered common in acute stage of diseases. The purpose of this study is to evaluate the occurrences and changes of fire and heat related symptoms and signs in acute cerebral infarction patients. Method & subjects : 40 acute cerebral infarction patients hospitalized in Oriental medicine hospital, Kyung-Hee University, who had examined and diagnosed 2 or 3 times based on oriental medical diagnosis were selected. We chose 23 as fire and heat related symptoms and signs from 94 diagnostic articles, and we added all those scores together of each patient. We analysed the scores of fire and heat related symptoms and signs as the time passed, and depending on oriental medical diagnosis. Result : In acute cerebral infarction patients of this study, 4 of fire and heat related symptoms and signs were took 1st, 2nd, 4th and 8th places in most changeable 10 articles of total 94 articles. The mean score of fire and heat related symptoms and signs of all patients were decreased significantly over the 3 times of measurements. The 8 patients diagnosed as fire and heat diagnosis at visit1 were samely diagnosed as fire and heat diagnosis at visit2, and at visit3 5 patients of them except for 3 patients excluded between visit2 and visit3, were still diagnosed as fire and heat diagnosis. At all of 3 measuring times, the scores of fire and heat related symptoms and signs of fire and heat diagnosis group were higher than non-fire and heat diagnosis group. Conclusion : This study indicated that fire and heat related symptoms and signs were very changeable phenomenon in acute cerebral infarction patients. And they decreased as time goes on.
WDHA(Watery diarrhea, Hypokalemia, Achlorhydria) syndrome 1예
박기룡,김현영,김지혜,임영찬,최영식,박요한,최경현,이재화,장희경 고신대학교 의학부 2003 高神大學校 醫學部 論文集 Vol.18 No.1
저자들은 부갑상선절제술 이후에도 교정되지 않는 고칼슘혈증과 계속된 수양성 설사로 인한 하지마비 및 전신쇠약을 주소로 내원한 70세 남자환자에서 일반 화학검사, 호르몬 건사, 방사선 검사 등으로 VIPoma와 동반된 MEN Ⅰ으로 진단하여 외과적 절제술 후 수양성설사, 저칼슘혈증 및 고칼슘혈증이 호전된 1례를 경험하였기에 문헌 고찰과 함께 보고하는 바이다. Multiple endocrine neoplasia I (MEN Ⅰ) is a genetic disorder that consists of neoplasia of neuroendocrine type in the parathyroid glands, in the islets of Langerhans in the pancreas, and in the anterior pituitary gland. Primary hyperparathyroidism is most common feature of the MEN I and occurs is approximately 95% of patients. Pancreatic islet cell tumors occur in 40% of MEN I patients. Most of these tumors produce excessive amounts of hormone, such as gastrin, insulin, glucagon and vasoactive intestinal polypeptide (VIP). VIP-producing pancreatic tumors (VIPoma) associated with MEN I are rare and there was only one case report in Korea so far. Recently we experienced a case of MEN I, especially VIPoma presented in a 70 year old man. He got subtotal parathyroidectomy for hyperparathyroidism 5 months ago, but his symptoms of watery diarrhea, severe general weakness and paralysis of lower limbs were not improved and hypercalcemia, hypokalemia were persisted. On computerized tomography scan of abdomen, demonstrated a mass of 3㎝ in diameter at the tail of pancreas. Serum level of VIP hormone was 250pg/㎖ (normal range : 0∼23pg/㎖). After partial pancreatectomy, his symptoms were improved dramatically and biochemical parameters such as, serum potassium, calcium, and VIP returned to the normal ranges.
의약품의 효능별 안전성·유효성 평가에 관한 조사연구(Ⅰ) : 항균제 Antiboiotics
박윤주,최기환,김동섭,박인숙,정면우,임화경,오우용,강주희,박찬웅,김주일 식품의약품안전청 2001 식품의약품안전청 연보 Vol.5 No.-
새로운 물질이 개발되어 신약으로 탄생하기까지 많은 시간과 노력, 예산이 필요하다. 최근, 우리 나라에서도, 신약캐발이 어릴고 힘든 분야이지만 새로운 신약개발을 총해 얻어지는 분가가치가 막대함을 인식, 연구에 박차를 가하 있는 실정이다. 본 연구는, 의약품 개발 선진국인 미국 FDA에서 발행하는 참고자료 중 항균제 임상편가에 대한 가이드라인 및 주요 임상적응증별 항균제 기발(지역사획회득성 폐렴, 원내감염성 계렴, 급성기관지염의 2차세균감염, 만성기지염의 급성세균성 악화, 연쇄구균에 의한 인두영 및 편도염 , 단순성 요로감염증, 복합성 요로감염증 및 신우신영, 급성 세균성 부비동옆, 항 바이러스제 개발시 전임상단계에서 고려사항, 항 바이러스제 허가와 된련 잉상적 고려사항, 카레타 괸련 혈류감염)에 있어서의 파이드라인 등의 자료를 소개함으로져, 향후 제약사의 항균제 신약개발 및 허가 신청된 의악품의 전임상차료 및 잉상시험자료의 검토 평가업무에 참고자료로 활용될 수 있을 것이다. Changing or unclear interpretations of clinical trial data needed to demonstrate the effectiveness and safety of antimicrobial drug products have a times led to confusion and frustration on the part of both applicants and division of these drug products reviewers. The FDA published guidance on desing clinical protocols, implementing, and analyzing data from clinical trials for antimicrobial drug products has been presented and additional companion guidances introduced specific issues to individual infections. This document provides applicants and reviewers with minimal information appropriate for the clinical development of routine antimicrobial drug products and identifies issues common to many antimicrobial drug applications. The agency can use the kind of information to determine whether the antimicrobial drug product under study is safe and effective in the treatment of the specific infection studied.