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성요한초제제 임상시험 고찰을 통한 한약기원 항우울제 임상시험 방법론 연구
정희,이지형,장보형,고성규,Jung, Hee,Lee, Ji-Hyung,Jang, Bo-Hyoung,Ko, Seong-Gyu 대한한방내과학회 2007 大韓韓方內科學會誌 Vol.28 No.2
Objectives : This study was undertaken to learn what should be considered in a good clinical trial investigating a herbal medicine as an antidepressant. Methods : Five well-designed clinical trials published from 2000 to 2006 investigating SJWE in depressive disorder were selected. The trials were reviewed and compared in terms of methodology such as trial design, patient selection, efficacy & safety evaluation, and so on. On the basis of this review of the trials and the regulations and guidelines of KFDA, we suggest some points to be considered for a good clinical trial of a herb for depression. Results : Although every trial had its own unique design, procedure, objectives and so on, all trials used randomizing and double blinding methods. If there is no ethical problem, a placebo-controlled design should be considered in a herbal antidepressant clinical trial for depression. Conclusions : Some points to be considered in an optimal & good clinical trial for an antidepressive herbal medicine were suggested as follows: 1) randomizing and double blinding manner is essential, 2) if there is no ethical problem, placebo control design should be considered, 3) the trial period should be 6 weeks, 4) out-patients will be recruited as subjects, 5) investigators will be well-trained psychiatrists or medical doctors, 6) the number of subjects should be calculated by statistical methods, 7) subjects should be diagnosed by DSM-IV criteria, 8) subjects who have current risk of committing suicide should be excluded, etc.
정희지 ( Hee-ji Jung ),김광태 ( Kwang-tae Kim ),조동식 ( Dongsik Jo ) 한국정보처리학회 2019 한국정보처리학회 학술대회논문집 Vol.26 No.2
타워크레인은 조선, 건설 등 산업 현장에서 중량물 운반 운전을 위한 도구로 사람이 수동 작업으로 대부분 수행된다. 이러한 타워크레인 운전 훈련 과정은 훈련 실습자에게 장시간 교육하기에 비효율적 뿐 아니라 위험한 작업이므로 최근에는 가상 훈련 시뮬레이션을 통해 이루어 지고 있다. 이러한 가상 타워크레인 시뮬레이션을 구현하기 위해서는 기후환경, 중량물, 줄걸이와 같은 외부적 요인도 중요하지만 타워크레인의 운반 중량물과 직접적으로 연결이되는 로프를 정밀하게 표현하는 것이 중요하다. 하지만, 현재 개발된 대다수의 로프는 단면이 원통형을 띄고 있어 물리적인 요인이 작용하였을 때, 회전축이나 물리적인 형태를 가늠하기가 어렵다. 그러므로, 가상의 타워크레인 시뮬레이션 로프를 실제 타워크레인 슬링벨트와 유사한 면의 형태를 가지고 구축하여 실 환경과 유사한 환경에서 숙련된 타워크레인 시뮬레이션을 훈련하기 위한 로프 시뮬레이션이 필요하다. 따라서, 본 논문에서는 로프 시뮬레이션이 실제와 동일한 형태의 슬링벨트를 제공할 뿐만 아니라 로프의 면 형태 구현하고, 물리시뮬레이션을 통해 로프의 사실적인 움직임을 나타낼 수 있는 가상현실(VR) 기반 훈련 로프 시뮬레이션을 제시한다.
멀티채널 전극을 이용한 쥐의 뇌 내 여러 영역의 활동전위 동시 기록ㆍ자극을 통한 뇌 활동 연구 및 감각기관 제어
이예나(Ye-Na Lee),이지원(Jee-Won Lee),이유진(You-Jin Lee),정희지(Hee-Ji Jung),장서영(Seo-Young Jang),유하람(Ha-Ram Yu),정소현(So-Hyun Jung),전상범(Sang Beom Jun) 대한전자공학회 2015 대한전자공학회 학술대회 Vol.2015 No.11
Whisker-barrel-motor system is a rat"s system of choice for exploring an environment and collecting information of location, shape, size and texture of objects around it[1]. Studying whisker-barrel-motor system of rats allows us to control animal"s behavior and analyze biological neural networks in vivo using live animal. In this article, multi-channel microelectrode array technology and whisker-barrel-motor system are carefully considered. This study can be applied to basic neuroscience and brain-computer interface study for controlling animal"s behavior.
선학초(짚신나물) 경구투여시 항암효과 탐색 및 약물 대사효소의 변화
이시형,정희,이주아,고호연,최유경,박종형,김지혜,고성규,전찬용,Rhee, Si-Hyung,Jung, Hee,Lee, Ju-Ah,Go, Ho-Yeon,Choi, Yu-Kyung,Park, Jong-Hyung,Kim, Ji-Hye,Ko, Seong-Kyu,Jun, Chan-Yong 대한예방한의학회 2009 대한예방한의학회지 Vol.13 No.2
Objective : This research was aimed to investigate the anti-tumor effect, safety, mechanism and metabolizing enzyme of Agrimonia pilosa LEDEB(APL) in female C57B/L mouse. Methods : At first, to evaluate the anti-tumor activity of APL, we divided into four groups, normal, control, APL100(100mg/kg), APL150(150mg/kg). LLC obtained American Type Culture Collection was used. LLC had been inoculated to induce tumor. To measure the anti-tumor effect of APL, we calibrate tumor size and weight. To study for mechanism of anti-tumor in APL, we used western blotting and to know metabolizing enzyme in APL we used to real-time PCR. Results : APL100, APL150 inhibited tumor growth after medicine injected. APL did not only induced caspase-dependent apoptosis in LLC-bearing mouse tumor. In APL100, it were decreased 72% in CYP3A11. In APL150, it were decreased 62%, 75% in CYP3A11 and MRP1a respectively. Conclusion : These results suggests that APL has some anti-tumor effects in female C57B/L mouse tumor. APL should be careful use with other drugs related with CYP3A11 or MRP1a.