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James H Yiin, Jeri L Anderson, Robert D Daniels, Stephen J Bertke, Donald A Fleming, David J Tollerud, Chih-Yu Tseng, Pi-Hsueh Chen, Kathleen M Waters
OBJECTIVE: To examine the patterns of cause-specific mortality and relationship between internal exposure to uranium and specific causes in a pooled cohort of 29,303 workers employed at three former uranium enrichment facilities in the United States with follow-up through 2011. METHODS: Cause-specific standardized mortality ratios (SMRs) for the full cohort were calculated with the U.S. population as referent. Internal comparison of the dose-response relation between selected outcomes and estimated organ doses was evaluated using regression models...
October 18, 2016: American Journal of Industrial Medicine
Kaylin T Nguyen, Rachel A Gladstone, Jonathan W Dukes, Babak Nazer, Eric Vittinghoff, Nitish Badhwar, Vasanth Vedantham, Edward P Gerstenfeld, Byron K Lee, Randall J Lee, Zian H Tseng, Jeffrey E Olgin, Melvin M Scheinman, Gregory M Marcus
INTRODUCTION: Atrial refractoriness may be an important determinant of atrial fibrillation (AF) risk, but its measurement is not clinically accessible. Because the QT interval predicts incident AF and the atrium and ventricle share repolarizing ion currents, we investigated the association between an individual's QT interval and atrial effective refractory period (AERP). METHODS: In paroxysmal AF patients presenting for catheter ablation, the QT interval was measured from the surface 12-lead ECG...
October 18, 2016: Pacing and Clinical Electrophysiology: PACE
Lihui Weng, Hsiang-Jer Tseng, Parinaz Rostamzadeh, Jafar Golzarian
Drug loadable bioresorbable microspheres (BRMS) are specially designed for the treatment of hypervascular tumors through arterial embolization. These microspheres consist of carboxymethyl chitosan crosslinked with carboxymethyl cellulose, and are available at different size ranges varying from 50 to 900 µm in diameter. Similar to commercially available non-resorbable drug eluting microspheres, LC Bead(®) microspheres (LCB), BRMS were capable of loading more than 99 % of doxorubicin, an anticancer drug, from the solution within 2 h with highly similar kinetics (difference factor f 1 = 0...
December 2016: Journal of Materials Science. Materials in Medicine
Hao-Wei Teng, Man-Hsin Hung, Li-Ju Chen, Mao-Ju Chang, Feng-Shu Hsieh, Ming-Hsien Tsai, Jui-Wen Huang, Chih-Lung Lin, Hsiang-Wen Tseng, Zong-Keng Kuo, Jeng-Kai Jiang, Shung-Haur Yang, Chung-Wai Shiau, Kuen-Feng Chen
Protein tyrosine phosphatase 1B (PTP1B) is known to promote the pathogenesis of diabetes and obesity by negatively regulating insulin and leptin pathways, but its role associated with colon carcinogenesis is still under debate. In this study, we demonstrated the oncogenic role of PTP1B in promoting colon carcinogenesis and predicting worse clinical outcomes in CRC patients. By co-immunoprecipitation, we showed that PITX1 was a novel substrate of PTP1B. Through direct dephosphorylation at Y160, Y175 and Y179, PTP1B destabilized PITX1, which resulted in downregulation of the PITX1/p120RasGAP axis...
October 18, 2016: Scientific Reports
Yone-Han Mah, Chen-Hua Liu, Chi-Ling Chen, Tai-Chung Tseng, Chun-Jen Liu, Pei-Jer Chen, Ding-Shinn Chen, Jia-Horng Kao
BACKGROUND/PURPOSE: Clinical implications of IL28B gene in Taiwanese chronic hepatitis C (CHC) patients remain unknown. We thus investigated the prevalence and clinical implications of IL28B rs8099917 genotypes in CHC patients with different hepatitis C virus (HCV) genotypes and healthy controls. METHODS: A total of 200 HCV genotype 1 patients and 200 HCV genotype 2 patients who received liver biopsy, as well as 197 healthy controls were enrolled to determine the frequencies of IL28B rs8099917 genotypes...
October 14, 2016: Journal of the Formosan Medical Association, Taiwan Yi Zhi
Sheng-Ling Tung, Ting-Ywan Chou, Hung-Shi Tseng, Chi-Ming Lee
OBJECTIVE: To report our experiences with 40 patients who were treated with magnetic resonance-guided focused ultrasound surgery (MRgFUS) for uterine fibroids and their 6-month follow-up status. MATERIALS AND METHODS: A total of 40 patients with uterine fibroids underwent MRgFUS from January 2009 to November 2011. The Uterine Fibroid Symptoms and Quality of Life Questionnaire was used to determine the patients' Symptom Severity Scores (SSS) prior to and 6 months after treatment...
October 2016: Taiwanese Journal of Obstetrics & Gynecology
Wanbo Tai, Guangyu Zhao, Shihun Sun, Yan Guo, Yufei Wang, Xinrong Tao, Chien-Te K Tseng, Fang Li, Shibo Jiang, Lanying Du, Yusen Zhou
Middle East respiratory syndrome (MERS) coronavirus (MERS-CoV) was first identified in 2012, and it continues to threaten human health worldwide. No MERS vaccines are licensed for human use, reinforcing the urgency to develop safe and efficacious vaccines to prevent MERS. MERS-CoV spike protein forms a trimer, and its receptor-binding domain (RBD) serves as a vaccine target. Nevertheless, the protective efficacy of RBD in its native trimeric form has never been evaluated. In this study, a trimeric protein, RBD-Fd, was generated by fusing RBD with foldon trimerization motif...
October 14, 2016: Virology
Jing-Kai Huang, Ying-Chieh Wong, Tzu-Ting Kao, Chen-Tso Tseng, Kak-Shan Shia
A new NHPI/Co(II)-catalyzed protocol, mechanistically involving a sequence of alpha-hydrogen abstraction, 5-exo-dig cyclization, oxygen capture, hydrogen transfer and 1,4-dehydration, has been developed to facilitate aerobic oxidation of aryl-, silyl- and alkyl-capped alkynyl alpha-cyano alkanone systems, respectively, to the corresponding highly functionalized products in an effective manner, thus turning this novel chain reaction, originally occurring spontaneously in low yields, into a practical methodology...
October 17, 2016: Journal of Organic Chemistry
Jia-Ming Chang, Kam-Hong Kam, Yi-Ting Yen, Wei-Li Huang, Wei Chen, Yau-Lin Tseng, Ming-Ho Wu, Wu-Wei Lai, Diego Gonzalez-Rivas
Our study sought to review our experience from biportal to uniportal video-assisted thoracoscopic surgery (VATS) major lung resection. Lessons we learned from the evolution regarding technical aspects were also discussed.We retrospectively reviewed patients who underwent VATS lobectomy or segmentectomies in Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chia-Yi, Taiwan, during January 2012 and December 2014. Patient clinical profiles, surgical indications and procedures, postoperative course, and oncological parameters were analyzed and compared between the biportal and uniportal groups...
October 2016: Medicine (Baltimore)
Gow-Lieng Tseng, Cheng-Yu Chen
High myopia is a global eye health problem because of its high incidence of sight-threatening complications. Due to the role of awareness, self-examination, and preventive behavior in prevention of morbidity of high myopia complications, promoting knowledge, capabilities, and attitude of high myopic personnel are required in this regard.In this quasi-experiment study, 31 freshmen with high myopia in a national university were enrolled in 2014. The data were collected by validated and reliable questionnaire based on health belief model (HBM) and self-efficacy theory...
October 2016: Medicine (Baltimore)
Yen-Ting Chen, Fen-Yu Tseng, Pei-Lung Chen, Yu-Chao Chi, Der-Sheng Han, Wei-Shiung Yang
Spot 14 (S14) is a protein involved in fatty acid synthesis and was shown to be induced by thyroid hormone in rat liver. However, the presence of S14 in human serum and its relations with thyroid function status have not been investigated.The objectives of this study were to compare serum S14 concentrations in patients with hyperthyroidism or euthyroidism and to evaluate the associations between serum S14 and free thyroxine (fT4) or thyroid-stimulating hormone (TSH) levels.We set up an immunoassay for human serum S14 concentrations and compared its levels between hyperthyroid and euthyroid subjects...
October 2016: Medicine (Baltimore)
Mariam F Eskander, Lindsay A Bliss, Ellen P McCarthy, Susanna W L de Geus, Sing Chau Ng, Deborah Nagle, James R Rodrigue, Jennifer F Tseng
BACKGROUND: Insurance impacts access to therapeutic options, yet little is known about how healthcare reform might change the pattern of surgical admissions. OBJECTIVE: We compared rates of emergent admissions and outcomes after colectomy before and after reform in Massachusetts with a nationwide control group. DESIGN: This study is a retrospective cohort analysis in a natural experiment. Prereform was defined as hospital discharge from 2002 through the second quarter of 2006 and postreform from the third quarter of 2006 through 2012...
November 2016: Diseases of the Colon and Rectum
Chun-Chieh Yang, Khee-Siang Chan, Kuei-Ling Tseng, Shih-Feng Weng
Lactic acidosis is common in critical care; by contrast, a subtype called alcohol-associated lactic acidosis (AALA) is rarely encountered. The primary purpose of this study was to determine the prognosis of AALA in critically ill patients and the second aim was to determine whether the survival was associated to the peak blood lactate concentration. An 8-year retrospective analysis of adult patients admitted to the intensive care unit (ICU) with AALA between January 2007 and December 2014 was considered in a tertiary care hospital...
October 17, 2016: Scientific Reports
Wei-Shan Hung, Pin Ling, Ju-Chien Cheng, Shy-Shin Chang, Ching-Ping Tseng
Toll-like receptor 4 (TLR4) plays a pivotal role in the host response to lipopolysaccharide (LPS), a major cell wall component of Gram-negative bacteria. Here, we elucidated whether the endocytic adaptor protein Disabled-2 (Dab2), which is abundantly expressed in macrophages, plays a role in LPS-stimulated TLR4 signaling and trafficking. Molecular analysis and transcriptome profiling of RAW264.7 macrophage-like cells expressing short-hairpin RNA of Dab2 revealed that Dab2 regulated the TLR4/TRIF pathway upon LPS stimulation...
October 17, 2016: Scientific Reports
Huai-Hsuan Tseng, Jonathan P Roiser, Gemma Modinos, Irina Falkenberg, Carly Samson, Philip McGuire, Paul Allen
Emotional processing dysfunction is widely reported in patients with chronic schizophrenia and first-episode psychosis (FEP), and has been linked to functional abnormalities of corticolimbic regions. However, corticolimbic dysfunction is less studied in people at ultra-high risk for psychosis (UHR), particularly during processing prosodic voices. We examined corticolimbic response during an emotion recognition task in 18 UHR participants and compared them with 18 FEP patients and 21 healthy controls (HC). Emotional recognition accuracy and corticolimbic response were measured during functional magnetic resonance imaging (fMRI) using emotional dynamic facial and prosodic voice stimuli...
2016: NeuroImage: Clinical
Chao-Ming Tseng, Wei-Chih Liao, Chi-Yang Chang, Ching-Tai Lee, Cheng-Hao Tseng, Yao-Chun Hsu, Jaw-Town Lin
BACKGROUND: Pancreatic safety remains a concern for diabetic patients using incretin-based medications. We aimed to determine if there was an association between incretin-based therapy and an increased risk for acute pancreatitis and pancreatic cancer in patients with type 2 diabetes mellitus (DM). METHODS: This retrospective population-based cohort study analyzed data from the Taiwan National Health Insurance Research Database. A total of 13 171 eligible type 2 DM patients who had received incretin-based treatment for a minimum of two months were matched 1:1 for age, gender, diabetes complications severity index, and inception date with DM patients who never used this pharmacotherapy...
October 7, 2016: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
Cherry Yin-Yi Chang, Ming-Tsung Lai, Yi Chen, Ching-Wen Yang, Hui-Wen Chang, Cheng-Chan Lu, Chih-Mei Chen, Carmen Chan, Ching Chung, Chun-Cheng Tseng, Tritium Hwang, Jim Jinn-Chyuan Sheu, Fuu-Jen Tsai
Aberrant miRNA expression has been reported in endometriosis and miRNA gene polymorphisms have been linked to cancer. Because certain ovarian cancers arise from endometriosis, we genotyped seven cancer-related miRNA single nucleotide polymorphisms (MiRSNPs) to investigate their possible roles in endometriosis. Genetic variants in MIR196A2 (rs11614913) and MIR100 (rs1834306) were found to be associated with endometriosis development and related clinical phenotypes, such as infertility and pain. Downstream analysis of the MIR196A2 risk allele revealed upregulation of rRNA editing and protein synthesis genes, suggesting hyper-activation of ribosome biogenesis as a driving force for endometriosis progression...
September 15, 2016: Oncotarget
Mei-Chi Chang, Yi-Jane Chen, Eric Jein-Wein Liou, Wan-Yu Tseng, Chiu-Po Chan, Hseuh-Jen Lin, Wan-Chuen Liao, Ya-Ching Chang, Po-Yuan Jeng, Jiiang-Huei Jeng
Cardiovascular diseases (atherosclerosis, stroke, myocardiac infarction etc.) are the major systemic diseases of elder peoples in the world. This is possibly due to increased levels of oxidized low-density lipoproteins (oxLDLs) such as 7-ketocholesterol (7-KC) and lysophosphatidylcholine (LPC) that damage vascular endothelial cells, induce inflammatory responses, to elevate the risk of cardiovascular diseases, Alzheimer's disease, and age-related macular degeneration. However the toxic effects of 7-KC on endothelial cells are not known...
October 11, 2016: Oncotarget
Wen-Juan Lu, Scheffer C G Tseng, Shuangling Chen, Sean Tighe, Yuan Zhang, Xin Liu, Szu-Yu Chen, Chen-Wei Su, Ying-Ting Zhu
Human corneal endothelial cells (HCECs) have limited proliferative capacity due to "contact-inhibition" at G1 phase. Such contact-inhibition can be delayed from Day 21 to Day 42 by switching EGF-containing SHEM to LIF/bFGF-containing MESCM through transient activation of LIF-JAK1-STAT3 signaling that delays eventual nuclear translocation of p16(INK4a). Using the latter system, we have reported a novel tissue engineering technique by implementing 5 weekly knockdowns with p120 catenin (p120) and Kaiso siRNAs since Day 7 to achieve effective expansion of HCEC monolayers to a transplantable size with a normal HCEC density, through reprogramming of HCECs into neural crest progenitors by activating p120-Kaiso-RhoA-ROCK-canonical BMP signaling...
October 14, 2016: Scientific Reports
Susan L Ettner, Jessica M Harwood, Amber Thalmayer, Michael K Ong, Haiyong Xu, Michael J Bresolin, Kenneth B Wells, Chi-Hong Tseng, Francisca Azocar
Interrupted time series with and without controls was used to evaluate whether the federal Mental Health Parity and Addiction Equity Act (MHPAEA) and its Interim Final Rule increased the probability of specialty behavioral health treatment and levels of utilization and expenditures among patients receiving treatment. Linked insurance claims, eligibility, plan and employer data from 2008 to 2013 were used to estimate segmented regression analyses, allowing for level and slope changes during the transition (2010) and post-MHPAEA (2011-2013) periods...
September 30, 2016: Journal of Health Economics
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