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Ya-Ting Chang,Ying-Ying Yang,Chung-Pin Li,Chen-Huan Chen 한국보건의료인국가시험원 2022 보건의료교육평가 Vol.19 No.-
Purpose In 2013, medical schools in Taiwan implemented a 6-year medical program that replaced the previous 7-year medical education program. The postgraduate year (PGY) program was also extended from 1 year to 2 years. The new program is characterized by diversified teaching, integration of medical skills, a system-oriented curriculum, and the implementation of primary care and clinical thinking training. The purpose of this study was to examine whether postgraduate residents who learned under the new program have better patient care skills than those who learned under the previous program. Methods Of 101 residents in the PGY program at Taipei Veterans General Hospital, 78 were trained in the 6-year program, while 23 were trained in the 7-year program. During the PGY training, 2 objective structured clinical examinations (OSCEs) were used to evaluate clinical reasoning, communication skills, and procedural skills at the beginning of the training and after 11 months of training, respectively. The scores of each OSCE and the rate of improvement of the pre- and post-tests were analyzed. Results Residents trained in the new program scored higher on clinical reasoning (P<0.001) and the total scores of the 3 tested skills (P=0.019) on the pre-test. In terms of improvement, residents educated in the previous system improved more in clinical reasoning than those educated in the new education system. Conclusion The new medical education program, which emphasizes clinical thinking, improved residents’ clinical skills. The PGY program was effective in improving the clinical performance of residents who were educated in the previous system.
Chinese Translation and Validation of the Child and Adolescent Sleep Checklist for Parents
Yang Ya-Ting,Chang Han-Yun,Hsu Chung-Yao,Lin Cheng-Yu,Zeitzer Jamie M. 대한수면학회 2020 sleep medicine research Vol.11 No.2
Background and ObjectiveaaThe Child and Adolescent Sleep Checklist (CASC) for parents was originally developed and published in Japanese and has served as a valid and effective tool for the assessment of a parent’s perspective of their adolescent child’s sleep behaviors. To allow for comparisons of such perspectives among parents of different cultures, and with different linguistic backgrounds, reliable and valid measurement tools are necessary. The purpose of this study was to translate and validate a Chinese language version of this questionnaire. MethodsaaInternal consistency, factor structure, and criterion validity data were tested using 497 parent/adolescent dyads in Taiwan. Exploratory factor analysis (EFA) and internal consistency reliability were examined in a subset of the cohort (n = 241), while criterion validity and conduct confirmatory factor analysis (CFA) was examined in a second subset of the cohort (n = 256). Preliminary criterion validity was established through a comparison with a measure of chronotype, Morningness- Eveningness Scale for Children. ResultsaaEFA resulted in four factors, consistent with the original version, with the four factors accounting for 60% of the total variance. The results of CFA presented good fit to the data. The questionnaire demonstrated also acceptable to good internal consistency (α = 0.84–0.89). Preliminary criterion validity was evident as the total score and each of the subscale scores on the questionnaire were significantly higher (worse sleep-related behavior) in evening-types. ConclusionsaaThe Chinese language version of the CASC for parents appears to be a psychometrically sound measure to evaluate sleep behaviors in Chinese-speaking adolescents.
Effect of Tea on Resistance to Type 2 Diabetes
Peng Lu,Kai Fan,Ya-Ting Lu,Yuan-Xu Shi,Dong-Mei Fan,Xiao-Chang Wang 한국차학회 2015 한국차학회지 Vol.- No.S
Insulinotropic hormone glucagon-like peptide-1 (GLP-1) degrades rapidly under the catalytic of dipeptidyl peptidase IV (DPP-IV). Consequently, DPP-IV which is widely expressed in small intestine takes a key role in the prevention and treatment of Type 2 Diabetes. To identify the capability of anti-type 2 diabetes by tea, the inhibition of different types of Chinese teas on DPP-IV was tested. The inhibitory ratio of Buddha Longjing is 31.74%, Tangji Gaoshan Tea is 62.08% (p < 0.01), Yunnan black tea is 66.29% (p < 0.01), Lapsang souchon is 76.40% (p <0.01), Dahongpao is 62.08% (p < 0.01), Tieguanyin is 66.85% (p < 0.01), Moganhuangya is 65.45% (p < 0.01),Huoshanhuangya is 50.56% (p < 0.05).
Hui Sun,Qing Chang,Ya-Shu Liu,Yu-Ting Jiang,Ting-Ting Gong,Xiao-Xin Ma,Yu-Hong Zhao,Qi-Jun Wu 대한암학회 2021 Cancer Research and Treatment Vol.53 No.1
Purpose The evidence of adherence to cancer prevention guidelines and endometrial cancer (EC) risk has been limited and controversial. This study summarizes and quantifies the relationship between adherence to cancer prevention guidelines and EC risk. Materials and Methods The online databases PubMed, Web of Science, and EMBASE were searched for relevant publications up to June 2, 2020. This study had been registered at PROSPERO. The registration number is CRD42020149966. Study quality evaluation was performed based on the Newcastle-Ottawa Scale. The I2 statistic was used to estimate heterogeneity among studies. Egger’s and Begg’s tests assessed potential publication bias. Summary hazard ratios (HRs) and 95% confi dence intervals (CIs) for the relationship between adherence to cancer prevention guidelines score was assigned to participants by summarizing individual scores for each lifestyle-related factor. The scores ranged from least healthy (0) to most healthy (20) and the EC risk was calculated using a random-effects model. Results Five prospective studies (four cohort studies and one case‑cohort study) consisted of 4,470 EC cases, where 597,047 participants were included. Four studies had a low bias risk and one study had a high bias risk. Summary EC HR for the highest vs. lowest score of adherence to cancer prevention guidelines was 0.54 (95% CI, 0.40 to 0.73) and had a high heterogeneity (I2=86.1%). For the dose-response analysis, an increment of 1 significantly reduced the risk of EC by 6%. No signifi cant publication bias was detected. Conclusion This study suggested that adherence to cancer prevention guidelines was negatively related to EC risk.
Volatilization of Nerolidol in Tea and Tea-soup
Yuan-Xu Shi,Ya-Ting Lu,Jie Lin,Xiao-Chang Wang 한국차학회 2015 한국차학회지 Vol.- No.S
Nerolidol is one of most important content in tea aroma, especially in Oolong tea. This experiment focuses on the impact of time and medium on nerolidol volatilization. The results of nerolidol volatilization with infusion time showed that the peak areas of nerolidol increased from 1 to 3 min, then decreased. The maximum peak area of nerolidol volatilization was 25630.78 at 3 min. Tea polyphenol had strong promotion impact on fragrant compound volatize, caffeine had limited impact on volatilization, while polysaccharide inhibited nerolidol volatilization.
Three-Dimensional Elastic Stress Fields of Finite Thickness Plates with Elliptical Hole
Yang, Zheng,Cho, Chong Du,Su, Ting Ya,Kim, Chang Boo,Beom, Hyeon Gyu Trans Tech Publications, Ltd. 2007 Key Engineering Materials Vol.353 No.-
<P>Based on detailed three-dimensional finite element analyses, elastic stress and strain field of ellipse major axis end in plates with different thickness and ellipse configurations subjected to uniaxial tension have been investigated. The plate thickness and ellipse configuration have obvious effects on the stress concentration factor, which is higher in finite thickness plates than in plane stress and plane strain cases. The out-of-plane stress constraint factor tends the maximum on the mid-plane and approaches to zero on the free plane. Stress concentration factors distribute ununiformly through the plate thickness, the value and location of maximum stress concentration factor depend on the plate thickness and the ellipse configurations. Both stress concentration factor in the middle plane and the maximum stress concentration factor are greater than that under plane stress or plane strain states, so it is unsafe to suppose a tensioned plate with finite thickness as one undergone plane stress or plane strain. For the sharper notch, the influence of three-dimensional stress state on the SCF must be considered.</P>
Chen, Wen-Kwei,Liu, Ingrid Y,Chang, Ya-Ting,Chen, Yong-Cyuan,Chen, Chih-Cheng,Yen, Chen-Tung,Shin, Hee-Sup,Chen, Chien-Chang The Society 2010 The Journal of neuroscience Vol.30 No.31
<P>Treatments for chronic musculoskeletal pain, such as lower back pain, fibromyalgia, and myofascial pain syndrome, remain inadequate because of our poor understanding of the mechanisms that underlie these conditions. Although T-type Ca(2+) channels (T-channels) have been implicated in peripheral and central pain sensory pathways, their role in chronic musculoskeletal pain is still unclear. Here, we show that acid-induced chronic mechanical hyperalgesia develops in Ca(v)3.1-deficient and wild-type but not in Ca(v)3.2-deficient male and female mice. We also show that T-channels are required for the initiation, but not maintenance, of acid-induced chronic muscle pain. Blocking T-channels using ethosuximide prevented chronic mechanical hyperalgesia in wild-type mice when administered intraperitoneally or intracerebroventricularly, but not intramuscularly or intrathecally. Furthermore, we found an acid-induced, Ca(v)3.2 T-channel-dependent activation of ERK (extracellular signal-regulated kinase) in the anterior nucleus of paraventricular thalamus (PVA), and prevention of the ERK activation abolished the chronic mechanical hyperalgesia. Our findings suggest that Ca(v)3.2 T-channel-dependent activation of ERK in PVA is required for the development of acid-induced chronic mechanical hyperalgesia.</P>
Interleukin-20 targets podocytes and is upregulated in experimental murine diabetic nephropathy
Yu-Hsiang Hsu,Hsing-Hui Li,Junne-Ming Sung,Wei-Yu Chen,Ya-Chin Hou,Yun-Han Weng,Wei-Ting Lai,Chih-Hsing Wu,Ming-Shi Chang 생화학분자생물학회 2017 Experimental and molecular medicine Vol.49 No.-
Interleukin (IL)-20, a proinflammatory cytokine of the IL-10 family, is involved in acute and chronic renal failure. The aim of this study was to elucidate the role of IL-20 during diabetic nephropathy development. We found that IL-20 and its receptor IL-20R1 were upregulated in the kidneys of mice and rats with STZ-induced diabetes. In vitro, IL-20 induced MMP-9, MCP-1, TGF-β1 and VEGF expression in podocytes. IL-20 was upregulated by hydrogen peroxide, high-dose glucose and TGF-β1. In addition, IL-20 induced apoptosis in podocytes by activating caspase-8. In STZ-induced early diabetic nephropathy, IL-20R1-deficient mice had lower blood glucose and serum BUN levels and a smaller glomerular area than did wild-type controls. Anti-IL-20 monoclonal antibody (7E) treatment reduced blood glucose and the glomerular area and improved renal functions in mice in the early stage of STZ-induced diabetic nephropathy. ELISA showed that the serum IL-20 level was higher in patients with diabetes mellitus than in healthy controls. The findings of this study suggest that IL-20 induces cell apoptosis of podocytes and plays a role in the pathogenesis of early diabetic nephropathy.
Chiang, Chien-Sung,Huang, Ching-Hui,Chieng, Hockling,Chang, Ya-Ting,Chang, Dory,Chen, Ji-Jr,Chen, Yong-Cyuan,Chen, Yen-Hui,Shin, Hee-Sup,Campbell, Kevin P.,Chen, Chien-Chang Ovid Technologies Wolters Kluwer -American Heart A 2009 Circulation research Vol.104 No.4
<P>Voltage-gated T-type Ca(2+) channels (T-channels) are normally expressed during embryonic development in ventricular myocytes but are undetectable in adult ventricular myocytes. Interestingly, T-channels are reexpressed in hypertrophied or failing hearts. It is unclear whether T-channels play a role in the pathogenesis of cardiomyopathy and what the mechanism might be. Here we show that the alpha(1H) voltage-gated T-type Ca(2+) channel (Ca(v)3.2) is involved in the pathogenesis of cardiac hypertrophy via the activation of calcineurin/nuclear factor of activated T cells (NFAT) pathway. Specifically, pressure overload-induced hypertrophy was severely suppressed in mice deficient for Ca(v)3.2 (Ca(v)3.2(-/-)) but not in mice deficient for Ca(v)3.1 (Ca(v)3.1(-/-)). Angiotensin II-induced cardiac hypertrophy was also suppressed in Ca(v)3.2(-/-) mice. Consistent with these findings, cultured neonatal myocytes isolated from Ca(v)3.2(-/-) mice fail to respond hypertrophic stimulation by treatment with angiotensin II. Together, these results demonstrate the importance of Ca(v)3.2 in the development of cardiac hypertrophy both in vitro and in vivo. To test whether Ca(v)3.2 mediates the hypertrophic response through the calcineurin/NFAT pathway, we generated Ca(v)3.2(-/-), NFAT-luciferase reporter mice and showed that NFAT-luciferase reporter activity failed to increase after pressure overload in the Ca(v)3.2(-/-)/NFAT-Luc mice. Our results provide strong genetic evidence that Ca(v)3.2 indeed plays a pivotal role in the induction of calcineurin/NFAT hypertrophic signaling and is crucial for the activation of pathological cardiac hypertrophy.</P>