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Yano Yuichiro,Kanegae Hiroshi,Node Koichi,Mizuno Atsushi,Nishiyama Akira,Rakugi Hiromi,Itoh Hiroshi,Kitaoka Kaori,Kashihara Naoki,Ikeno Fumiaki,Tsuji Ichiro,Okada Kunio 한국역학회 2022 Epidemiology and Health Vol.44 No.-
OBJECTIVES: Using a dataset from a survey on national health and productivity management, we identified health and productivity factors associated with organizational profitability. METHODS: The Ministry of Economy, Trade and Industry conducted an annual survey on Health and Productivity Management between 2014 and 2021. We assessed the associations of organizational health and productivity management using survey questions collected in 2017 and 2018, and the rate of change in profits from 2017 and 2018 to 2020. We identified factors associated with organizational profitability using eXtreme Gradient Boosting, and calculated SHapley Additive exPlanation (SHAP) values for each factor. RESULTS: Among 1,593 companies (n= 4,359,834 employees), the mean age for employees at baseline was 40.3 years and the proportion of women was 25.8%. The confusion matrix for evaluating model performance had accuracy of 0.997, precision of 0.993, recall of 0.997; and area under the precision-recall curve of 0.999. The most important factors related to an increase in corporate profits were the percentage of current smokers (SHAP value 0.121), per-employee cost for health services (0.084) and medical services (0.050); the percentage of full-time employees working in sales departments (0.074), distribution or customer service departments (0.054); the percentage of employees who sleep well (0.055); and the percentage of employees who have a habit of regular exercise within a company (0.043). CONCLUSIONS: The lifestyle health risk factors of employees and organizations’ management systems were associated with organizational profitability. Lifestyle medicine professionals may demonstrate a significant return on investment by creating a healthier and more productive workforce.
Mechanism of Macrophage-Derived Chemokine/CCL22 Production by HaCaT Keratinocytes
( Chizuko Yano ),( Hidehisa Saeki ),( Mayumi Komine ),( Shinji Kagami ),( Yuichiro Tsunemi ),( Mamitaro Ohtsuki ),( Hidemi Nakagawa ) 대한피부과학회 2015 Annals of Dermatology Vol.27 No.3
Background: CC chemokine ligand 17 (CCL17) and CCL22 are the functional ligands for CCR4. We previously reported that inhibitors of nuclear factor-kappa B and p38 mitogen- activated protein kinase (p38 MAPK), but not of extracellular signal-related kinase (ERK), inhibited tumor necrosis factor (TNF)-α- and interferon (IFN)-γ-induced production of CCL17 by the human keratinocyte cell line, HaCaT. Further, an inhibitor of epidermal growth factor receptor (EGFR) enhanced the CCL17 production by these keratinocytes. Objective: To identify the mechanism underlying CCL22 production by HaCaT cells. Methods: We investigated the signal transduction pathways by which TNF-α and IFN-γ stimulate HaCaT cells to produce CCL22 by adding various inhibitors. Results: TNF-α- and IFN-γ- induced CCL22 production was inhibited by PD98059, PD153035, Bay 11-7085, SB202190, c-Jun N-terminal kinase (JNK) inhibitor II, and Janus kinase (JAK) inhibitor 1. Conclusion: Our results indicate that CCL22 production in HaCaT cells is dependent on ERK, EGFR, p38 MAPK, JNK, and JAK and is mediated by different signal pathways from those regulating CCL17 production. Altogether, our previous and present results suggest that EGFR activation represses CCL17 but enhances CCL22 production by these cells. (Ann Dermatol 27(2) 152∼156, 2015)
Mechanism of Macrophage-Derived Chemokine/CCL22 Production by HaCaT Keratinocytes
( Chizuko Yano ),( Hidehisa Saeki ),( Mayumi Komine ),( Shinji Kagami ),( Yuichiro Tsunemi ),( Mamitaro Ohtsuki ),( Hidemi Nakagawa ) 대한피부과학회 2015 Annals of Dermatology Vol.27 No.2
Background: CC chemokine ligand 17 (CCL17) and CCL22 are the functional ligands for CCR4. We previously reported that inhibitors of nuclear factor-kappa B and p38 mitogen- activated protein kinase (p38 MAPK), but not of extracellular signal-related kinase (ERK), inhibited tumor necrosis factor (TNF)-α- and interferon (IFN)-γ-induced production of CCL17 by the human keratinocyte cell line, HaCaT. Further, an inhibitor of epidermal growth factor receptor (EGFR) enhanced the CCL17 production by these keratinocytes. Objective: To identify the mechanism underlying CCL22 production by HaCaT cells. Methods: We investigated the signal transduction pathways by which TNF-α and IFN-γ stimulate HaCaT cells to produce CCL22 by adding various inhibitors. Results: TNF-α- and IFN-γ- induced CCL22 production was inhibited by PD98059, PD153035, Bay 11-7085, SB202190, c-Jun N-terminal kinase (JNK) inhibitor II, and Janus kinase (JAK) inhibitor 1. Conclusion: Our results indicate that CCL22 production in HaCaT cells is dependent on ERK, EGFR, p38 MAPK, JNK, and JAK and is mediated by different signal pathways from those regulating CCL17 production. Altogether, our previous and present results suggest that EGFR activation represses CCL17 but enhances CCL22 production by these cells.(Ann Dermatol 27(2) 152∼156, 2015)
Study of Visual Assist Effect to Vertical Plane Hand Movement during Human-Human Cooperative Task
Shahriman Bin Abu Bakar,Ryojun Ikeura,Yuichiro Handa,Takemi Yano,Hideki Sawai 제어로봇시스템학회 2008 제어로봇시스템학회 국제학술대회 논문집 Vol.2008 No.10
At present the majority of autonomous robots are mostly used in factories where speed and accuracy are given highest priority. In our research, we are focusing in the area where the robot that cooperate with human to lift or carry a human subject. In this area the robots are required to interact with human and move in such a fashion where it will move with human-like motion so that the human subject that is being move will not feel intimidated. In order to design robot that have smooth human like motion capability during human robot interaction in cooperative task, we need to understand how human-human understand each other ,how and what kind of information are exchange between them that enable human-human to be able to accomplish to move object with smooth qualities. Based on this, we need to design a system that is available to be used not only by robotic experts but by general population so that anybody can use this system for their care giving purpose. In this paper we conduct a study of how human-human utilize their sense in moving and stopping an object and we analyzed the smoothness of the motion by analyzing the hand jerk characteristic during the said task.