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Responses of Candida albicans to the Human Antimicrobial Peptide LL-37
Pei-Wen Tsai,Yin-Lien Cheng,Wen-Ping Hsieh,Chung-YuLan 한국미생물학회 2014 The journal of microbiology Vol.52 No.7
Candida albicans is amajor fungal pathogen in humans. Antimicrobialpeptides (AMPs) are critical components of the innateimmune response in vertebrates and represent the firstline of defense against microbial infection. LL-37 is the onlymember of the human family of cathelicidin AMPs and iscommonly expressed by various tissues and cells, includingsurfaces of epithelia. The candidacidal effects of LL-37 havebeen well documented, but the mechanisms by which LL-37kills C. albicans are not completely understood. In this study,we examined the effects of LL-37 on cell wall and cellular responsesin C. albicans. Using transmission electron microscopy,carbohydrate analyses, and staining for β-1,3-glucan,changing of C. albicans cell wall integrity was detected uponLL-37 treatment. In addition, LL-37 also affected cell wallarchitecture of the pathogen. Finally,DNAmicroarray analysisand quantitative PCR demonstrated that sub-lethal concentrationsof LL-37 modulated the expression of genes witha variety of functions, including transporters, regulators forbiological processes, response to stress or chemical stimulus,and pathogenesis. Together, LL-37 induces complex responsesin C. albicans, making LL-37 a promising candidate for useas a therapeutic agent against fungal infections.
Lin, Wen-Li,Sun, Jia-Ling,Chang, Shu-Chan,Wu, Pei-Hua,Tsai, Tsung-Chih,Huang, Wen-Tsung,Tsao, Chao-Jung Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.2
Background: The number of colorectal cancer (CRC) patients in Taiwan has increased in recent years; therefore, the effective dissemination of information related to symptom care has become especially important. Previous studies indicated that the physical and psychological status of cancer patients can be effectively improved by telephone counseling services (TCS). Thus, determining the most effective means of establishing a TCS to support the clinical practice of oncology has become a crucial goal for nursing. The purposes of this study were to analysis the content of the TCS for CRC and explore stratification of the TCS. Materials and Methods: The study design was retrospective. A total of 850 calls were made to CRC patients in the cancer center of Southern Taiwan during the period of January 2007- December 2011. A structure questionnaire was adopted to analysis satisfaction. Results: Responses provided by the TCS included information regarding nutrition, side effects resulting from chemotherapy and pain. Moreover, 28.7% of CRC patients needed advanced treatment. More than 90% satisfaction with all aspects of the calls was found. Conclusions: The TCS coulkd be shown to provide an effective means by which to expand the reach of nursing care to different times, places and patients, allowing for greater cost efficiency and more rapid service.
Evaluating Service System Alternatives via a Computer Simulation-enabled MCDM Framework
( Wei Jaw Deng ),( Wen Pei ),( Chih Hung Tsai ) 한국품질경영학회 2007 The Asian Journal on Quality Vol.8 No.2
Decision makers in the service industry must effectively cope with queuing problems, service capacity optimization, service efficiency and service quality problems. This study proposes a computer simulation-enabled MCDM framework that integrates computer simulation analysis, Taguchi method, expert opinion and multiple criteria decision making (MCDM) to assist decision makers in coping with decision problems. In this framework, Taguchi method is adopted to reduce the time required for the simulation experiment. Computer simulation analysis is adopted to obtain useful information for rapid decision-making without interrupting actual production. MCDM is used to select the optimal alternative. The illustrative result is extremely promising.
Evaluating Service System Alternatives via a Computer Simulation-enabled MCDM Framework
Deng, Wei-Jaw,Pei, Wen,Tsai, Chih-Hung The Korean Society for Quality Management 2007 The Asian Journal on Quality Vol.8 No.2
Decision makers in the service industry must effectively cope with queuing problems, service capacity optimization, service efficiency and service quality problems. This study proposes a computer simulation-enabled MCDM framework that integrates computer simulation analysis, Taguchi method, expert opinion and multiple criteria decision making (MCDM) to assist decision makers in coping with decision problems. In this framework, Taguchi method is adopted to reduce the time required for the simulation experiment. Computer simulation analysis is adopted to obtain useful information for rapid decision-making without interrupting actual production. MCDM is used to select the optimal alternative. The illustrative result is extremely promising.
The seasonal detection of AcSBV (Apis cerana sacbrood virus) prevalence in Taiwan
Yu-Shin Nai,Chong-Yu Ko,Pei-Shou Hsu,Wen-Shi Tsai,Yue-Wen Chen,Meng-Hao Hsu,I-Hsin Sung 한국응용곤충학회 2018 Journal of Asia-Pacific Entomology Vol.21 No.1
The epizootic disease caused by Apis cerana sacbrood virus (AcSBV) occurred in Eastern hive bee, A. cerana, since2015 in Taiwan. A large-scale survey of this disease from September and December 2016 in Taiwan was performedincluding symptom check and molecular identification in honey bees of A. cerana hives and several A. mellifera hives, which were co-cultured with A. cerana. Based on the nucleotide sequences of partial VP1, thephylogenetic analysis with those of the known AcSBV isolates revealed that most of AcSBV isolates from Taiwanwere closely relative to SBV-FZ and -JL isolates from China, whereas only one sample (N15-5-1) was in a distinctcluster, which was closely relative to SBV-LN from China too. The AcSBV prevalence was occurring in A. ceranahives in most areas of Taiwan except for those in Hualien and Pingtung Counties in Taiwan. Notably, the AcSBVprevalence rate showed the temporal increase from 47.1% to 69.6% within 4 months. In addition, 37.5% ofAcSBV prevalence rate was found in A. mellifera hives. It showed that A. mellifera was also susceptible to AcSBVinfection. The present results would provide the information on the epidemiology and for prospective research.