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Lee, Kangwook,Ryu, Juyoung,Son, Chang-Gue,Cho, Jung-Hyo,Yoo, Hwa-Seung,Lee, Jonghoon,Kim, Yoon-sik,Lee, Namhun KOREAN PHARMACOPUNCTURE INSTITUTE 2016 Journal of pharmacopuncture Vol.19 No.3
Lung cancer has a high mortality rate and is often diagnosed at the metastatic stage. Gefitinib is a targeted molecular therapeutic drug used to treat patients with non-small-cell lung cancer (NSCLC). Korean herbal medicines may also have therapeutic efficacy against lung cancer, reduce the side effects associated with chemotherapy, and improve patient quality of life (QOL). This case report describes the effects of a Korean herbal medicine regimen combined with gefitinib in a patient with NSCLC and bone metastasis. The Korean herbal medicine regimen included woohwanggeosa-dan, hwanggibujeong-dan and geonchilgyebok-jeong. The computed tomography (CT) findings showed that following combination treatment, the size of the tumor was markedly decreased without serious adverse events. Moreover, the Eastern Cooperative Oncology Group (ECOG) performance status was improved and cancer-related pain was decreased. These results suggest that a combination of Korean herbal medicines and gefitinib may be an effective therapeutic option for patients with advanced NSCLC and bone metastasis. Further studies are needed to examine the mechanism and the clinical efficacy of Korean herbal medicines against NSCLC.
음성 인식 및 멀티 터치를 이용한 멀티모달 유저 인터페이스
이강욱(Kangwook Lee),김상태(Sangtae Kim),윤요한(YohaanYoon),김재정(Jaejeung Kim),이동원(Dongwon Lee),이호원(Howon Lee),조동호(Dong-Ho Cho) 한국HCI학회 2011 한국HCI학회 학술대회 Vol.2011 No.1
본 논문에서는 사용자에게 보다 직관적인 시스템 조작을 제공하기 위한 음성인식 기반의 멀티 터치 유저인터페이스(VoTUI)에 대해서 기술한다. 음성과 터치 입력을 수용하는 멀티모달 인터페이스의 경우는 보통 음성인식 및 멀티 터치 인식을 위한 사용자 입력 감지부와 음성 입력 및 터치 입력의 상관관계에 따라 그 의미를 해석하는 사용자 입력 해석부로 나뉘어진다. 본 연구에서는 사용자 입력 해석부에 대한 새로운 프레임워크를 제시함으로써 사용자가 해당 시스템을 사용하기 위한 기저 학습의 필요성을 최소화시키고, 사용자가 사용할 수 있는 명령어 셋을 풍부하게 하여 기능성을 향상시킬 뿐만 아니라, 터치 인터페이스와 음성 인터페이스가 각기 지니고 있는 물리적 한계를 극복할 수 있는 유저 인터페이스에 대해 서술하였다. We propose VoTUI, a Voice over Touch User Interface; which enable the users to control computer systems more intuitively. By using voice as another input, VoTUI can not only enrich the possible command set of Touch User Interface (TUI) but also realize the users to overcome the physical limitation of TUI. We will address the detailed operating scheme of VoTUI, demonstrate several usage scenarios of VoTUI, prove its novelty and explain the further user evaluation.
Kangwook Lee(이강욱),Daeyul Ha(하대율),Taejung Yeo(여태정),Chanjung Kim(김찬중) 한국자동차공학회 2007 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
The knee bolster of cockpit module is a crucial factor determining the occupant's knee injury in the frontal crash of a vehicle. The development of knee bolster needs numerical simulation in the design stage of cockpit module but it is very difficult to meet all its performances to comply with FMVSS 208 regulation within a given vehicle development schedule. So, the evaluation of knee bolster is required to be put in an early stage to achieve its performance objective and to satisfy the whole development schedule of vehicle. In this study, the simplification of analysis model for cockpit module and crash pulse condition were investigated and validated by tests and simulation as a way to perform the analysis in much earlier design stage. It is concluded that with this simplified approach, initial design of knee bolsters of cockpit module can be achieved and also it can shorten the total development period as well.
Inhibitory effect of Angelica gigas on cold-induced RhoA activation in vascular cells
Lee, Kangwook,Chae, Min Soo,Cho, Sung-Gook,Go, Ho Yeon,Sun, Seung-Ho,Jang, Junbock,Jung, Ki-Yong,Choi, You-Kyung,Song, Yun-Kyung,Sim, Sung Yong,Lee, Hye Lim,Kang, Mi Suk,Jeon, Chan-Yong,Ko, Seong Gyu Spandidos Publications 2017 MOLECULAR MEDICINE REPORTS Vol.15 No.5
<P>The herbal extract Angelica gigas (AG) has been applied as a vasodilating agent for patients suffering from vascular diseases for many years; however, the underlying mechanism has not been fully elucidated. The present study hypothesized that the anti-vasoconstrictive effect of AG may be effective in the treatment of abnormal cold-mediated vasospasms that occur in Raynaud's phenomenon (RP). The effect of AG on the activity of ras homolog gene family member A (RhoA) was investigated in cold-exposed vascular cells. Vascular cells were pretreated to AG, followed by a warm (37 degrees C) or cold (25 degrees C) incubation for 30 min and investigated with western blotting, ELISA and confocal microscopy. Cold treatment induced the activation of RhoA in pericytes and vascular endothelial cells, however this was reduced by treatment with AG. Furthermore, AG treatment reduced the endothelin-1 (ET-1)-mediated RhoA activation in pericytes; however, cold-induced ET-1 production by vascular endothelial cells was not affected by treatment with AG. In addition, AG treatment suppressed the formation of stress fibers and focal adhesion complexes, and the cold-induced phosphorylation of focal adhesion kinase, proto-oncogene tyrosine-protein kinase Src and extracellular signal-related kinase. Therefore, AG treatment demonstrated an ability to reduce cold-induced RhoA activation in pericytes and vascular endothelial cells, and attenuated ET-1-mediated RhoA activation in pericytes. In conclusion, the present study indicated that AG may be useful for the treatment of RP.</P>
Yukgunja-tang for Irritable Bowel Syndrome: A Protocol for a Systematic Review and Meta-Analysis
Kangwook Lee,Seok-Jae Ko,Minjeong Kim,Chaehyun Park,Min-Seok Cho,Jae-Woo Park The Society of Internal Korean Medicine 2023 大韓韓方內科學會誌 Vol.44 No.3
Background: Irritable bowel syndrome (IBS) is a digestive disorder characterized by abdominal discomfort or pain accompanied by a change in stool condition. Owing to its complicated mechanisms, a standard treatment for IBS has not yet been established. Yukgunja-tang (YGT) is a Korean herbal medicine known in Asia to be effective in the treatment of gastrointestinal symptoms. In this study, we will conduct a systematic review of randomized controlled trials (RCTs) to assess the efficacy and safety of YGT in IBS treatment. Methods and analysis: English databases, such as Embase, Medline (via PubMed), Allied and Complementary Medicine Database, and Cochrane Central Register of Controlled Trials, will be searched for articles published up to April 2023. Additional databases, such as five Korean, one Chinese, and one Japanese database, will be included. RCTs and quasi-RCTs will also be included in the assessment of the efficacy of YGT. The overall efficacy rate will be the primary outcome, and data such as IBS quality-of-life measurements, global symptom scores, and adverse events will be the secondary outcomes. Review Manager Version 5.3 will be used for evaluation, and the risk of bias (RoB) will be evaluated using Cochrane Collaboration's RoB tool. The Grading of Recommendations Assessment, Development, and Evaluation approach will be used to score the quality of evidence. Conclusion: This study will demonstrate the efficacy and safety of YGT for treating patients with IBS.
SH003-induced G1 phase cell cycle arrest induces apoptosis in HeLa cervical cancer cells
Lee, Kang Min,Lee, Kangwook,Choi, Youn Kyung,Choi, Yu-Jeong,Seo, Hye-Sook,Ko, Seong-Gyu Spandidos Publications 2017 MOLECULAR MEDICINE REPORTS Vol.16 No.6
<P>Cervical cancer is a prevalent disease that may lead to mortality in women. In spite of the development of common therapeutic agents to treat cancer, there are several limitations of their use owing to side effects and drug resistance, which may induce cancer recurrence. The anticancer effects of the new herbal mixture SH003 (comprising Astragalus membranaceus, Angelica gigas and Trichosanthes kirilowii Maximowicz) have been examined in various types of cancer. Thus, the present study hypothesized that SH003 may be an effective treatment for cervical cancer. SH003 treatment inhibited the growth of HeLa cells, whereas it did not affect the growth of rat intestinal epithelial cells. In addition, SH003 treatment increased the expression of apoptosis-related proteins and promoted apoptotic cell death in HeLa cells. SH003 treatment also led to G1 phase arrest in HeLa cells. Furthermore, SH003 treatment induced the production of reactive oxygen species (ROS); however, ROS production did not appear to be related to SH003-mediated apoptosis. Results from the present study indicated that the SH003-induced inhibition of HeLa cell growth may be mediated through G1 phase arrest and extrinsic apoptosis, suggested that SH003 may be a potential treatment for cervical cancer.</P>
전개선이 보이지 않는 조수석 에어백 도어의 레이저 스코링 부위 파단 형상 예측 모델 개발
이강옥(Kangwook Lee),여태정(Taejung Yeo),박순조(Soonjo Park) 한국자동차공학회 2002 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2002 No.5_2
The main feature of invisible passenger side airbag is that airbag door and instrument panel are integrated and the tear seam is not visible. One of the performance requirements is no fragmentation of the airbag door when the airbag deploys at hot, room and cold temperature. Especially, it is very difficult to meet this requirement at cold temperature for hard type instrument panel. A new analysis model using finite element method, so called microscopic section model, was developed to predict the fragmentation and two kinds of laser-scored patterns were analyzed. It can be concluded that the analysis model in this study can be used to design the types of laser scoring with the minimum of real deployment test.<br/> <br/> <br/>