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https://www.readbyqxmd.com/read/28429632/comparison-of-piezoresistive-sensor-to-picopress%C3%A2-in-in-vitro-interface-pressure-measurement
#1
Yung-Wei Chi, Kuo-Hao Tseng, Ruya Li, Tingrui Pan
Objective Interface pressure, the sine qua non for compression therapy, is rarely measured in clinical practice and scientific research. The goal of this study aimed to compare and examine the accuracy between a commercially available piezoresistive sensor and PicoPress® (Microlab, Padua, Italy) using the cylinder cuff model to measure in-vitro interface pressure. Method Ten piezoresistive sensors were calibrated using the National Institute of Standard and Technology certified manometer, and compared to PicoPress® using cylinder cuff model from 20 to 120 mmHg...
January 1, 2017: Phlebology
https://www.readbyqxmd.com/read/28429499/atrial-fibrillation-patients-with-isolated-pulmonary-veins-is-sinus-rhythm-achievable
#2
Judit Szilágyi, Gregory M Marcus, Nitish Badhwar, Byron K Lee, Randall J Lee, Vasanth Vedantham, Zian H Tseng, Tomos Walters, Melvin Scheinman, Jeffrey Olgin, Edward P Gerstenfeld
BACKGROUND: The cornerstone of atrial fibrillation (AF) ablation is isolation of the pulmonary veins (PVs). Patients with recurrent AF undergoing repeat ablation usually have PV reconnection (PVr). The ablation strategy and outcome of patients undergoing repeat ablation who have persistent isolation of all PVs (PVi) at the time of repeat ablation is unknown. METHODS AND RESULTS: We studied consecutive patients with recurrent AF undergoing repeat ablation and compared patients with PVi to those with PVr...
April 21, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28428542/poly-protein-g-expressing-bacteria-enhance-the-sensitivity-of-immunoassays
#3
Wen-Rui Hao, Michael Chen, Yi-Jou Chen, Yu-Cheng Su, Chiu-Min Cheng, Hsiang-Yin Hsueh, An-Pei Kao, Yuan-Chin Hsieh, Johny Chang, Ming-Yang Tseng, Kuo-Hsiang Chuang
The sensitivities of solid-phase immunoassays are limited by the quantity of detection antibodies bound to their antigens on the solid phase. Here, we developed a poly-protein G-expressing bacterium as an antibody-trapping microparticle to enhance the signals of immunoassays by increasing the accumulation of detection antibodies on the given antigen. Eight tandemly repeated fragment crystallisable (Fc) binding domains of protein G were stably expressed on the surface of Escherichia coli BL21 cells (termed BL21/8G)...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28426879/acute-exposure-to-dehp-metabolite-mehp-cause-genotoxicity-mutagenesis-and-carcinogenicity-in-mammalian-chinese-hamster-ovary-cells
#4
Yu-Jung Chang, Chia-Yi Tseng, Pei-Ying Lin, Yu-Chen Chuang, Ming-Wei Chao
Di-(2-ethylhexyl) phthalate (DEHP), the common plasticizer used in the production of polyvinyl chloride, can be converted to the more potent metabolite mono-ethylhexyl phthalate (MEHP). Epidemiological studies have shown an association with elevated induction of rat hepatic cancer and reproductive toxicity in response to MEHP exposure. However, the mechanism of genotoxicity and carcinogenicity induced by MEHP treatment remains unclear. As a means to elucidate the mechanisms of action, lethality and mutagenicity in the adenine phosphoribosyltransferase (aprt+/-) gene induced in several CHO cell types by MEHP were assessed...
March 1, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28426815/using-controlled-attenuation-parameter-combined-with-ultrasound-to-survey-non-alcoholic-fatty-liver-disease-in-hemodialysis-patients-a-prospective-cohort-study
#5
Yi-Hao Yen, Jin-Bor Chen, Ben-Chung Cheng, Jung-Fu Chen, Kuo-Chin Chang, Po-Lin Tseng, Cheng-Kun Wu, Ming-Chao Tsai, Ming-Tsung Lin, Tsung-Hui Hu
BACKGROUND AND AIMS: Controlled attenuation parameter (CAP) is a non-invasive method for measuring hepatic steatosis (HS). Non-alcoholic fatty liver disease (NAFLD) is closely related to cardiovascular diseases (CVDs). CVDs are the leading cause of morbidity and mortality in hemodialysis patients. The aim of this study was to investigate the prevalence of NAFLD in hemodialysis patients. METHOD: We prospectively enrolled patients undergoing chronic hemodialysis, as well as patients with normal renal function who served as controls...
2017: PloS One
https://www.readbyqxmd.com/read/28425093/low-dose-aspirin-use-and-cognitive-function-in-older-age-a-systematic-review-and-meta-analysis
#6
Nicola Veronese, Brendon Stubbs, Stefania Maggi, Trevor Thompson, Patricia Schofield, Christoph Muller, Ping-Tao Tseng, Pao-Yen Lin, André F Carvalho, Marco Solmi
OBJECTIVES: To investigate whether low-dose aspirin (<300 mg/d) can influence the onset of cognitive impairment or dementia in observational studies and improve cognitive test scores in randomized controlled trials (RCTs) in participants without dementia. DESIGN: Systematic review and meta-analysis. SETTING: Observational and interventional studies. PARTICIPANTS: Individuals with no dementia or cognitive impairment initially...
April 20, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28422172/transient-elastography-as-a-screening-tool-for-liver-fibrosis-in-a-large-hemodialysis-population
#7
Ben-Chung Cheng, Yi-Hao Yen, Jung-Fu Chen, Cheng-Kun Wu, Kuo-Chin Chang, Po-Lin Tseng, Ming-Chao Tsai, Ming-Tsung Lin, Jung-Ting Lin, Jin-Bor Chen, Tsung-Hui Hu
Metabolic syndrome, an etiological factor in non-alcoholic fatty liver disease (NAFLD), is often present in hemodialysis patients. Little is known about the prevalence of, and factors associated with, liver fibrosis in hemodialysis populations. We used transient elastography (TE) to investigate these phenomena. 659 patients treated with chronic hemodialysis were enrolled. We excluded those with excess alcohol intake, liver stiffness measurement (LSM) failure, or unreliable LSM values. LSM ≥8.0 kPa was used as a cutoff suggesting clinically relevant fibrosis...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28421075/activation-of-adhesion-gpcr-emr2-adgre2-induces-macrophage-differentiation-and-inflammatory-responses-via-g%C3%AE-16-akt-mapk-nf-%C3%AE%C2%BAb-signaling-pathways
#8
Kuan-Yu I, Yi-Shu Huang, Ching-Hsun Hu, Wen-Yi Tseng, Chia-Hsin Cheng, Martin Stacey, Siamon Gordon, Gin-Wen Chang, Hsi-Hsien Lin
EMR2/ADGRE2 is a human myeloid-restricted adhesion G protein-coupled receptor critically implicated in vibratory urticaria, a rare type of allergy caused by vibration-induced mast cell activation. In addition, EMR2 is also highly expressed by monocyte/macrophages and has been linked to neutrophil migration and activation. Despite these findings, little is known of EMR2-mediated signaling and its role in myeloid biology. In this report, we show that activation of EMR2 via a receptor-specific monoclonal antibody promotes the differentiation of human THP-1 monocytic cell line and induces the expression of pro-inflammatory mediators, including IL-8, TNF-α, and MMP-9...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28420993/phellinus-linteus-mycelium-alleviates-myocardial-ischemia-reperfusion-injury-through-autophagic-regulation
#9
Hsing-Hui Su, Ya-Chun Chu, Jiuan-Miaw Liao, Yi-Hsin Wang, Ming-Shiou Jan, Chia-Wei Lin, Chiu-Yeh Wu, Chin-Yin Tseng, Jiin-Cherng Yen, Shiang-Suo Huang
The incidence of myocardial ischemia-reperfusion (IR) injury is rapidly increasing around the world and this disease is a major contributor to global morbidity and mortality. It is known that regulation of programmed cell death including apoptosis and autophagy reduces the impact of myocardial IR injury. In this study, the cardioprotective effects and underlying mechanisms of Phellinus linteus (Berk. and Curt.) Teng, Hymenochaetaceae (PL), a type of medicinal mushroom, were examined in rats subjected to myocardial IR injury...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28420331/arsenic-treatment-increase-aurora-a-overexpression-through-e2f1-activation-in-bladder-cells
#10
Yu-Ting Kao, Chin-Han Wu, Shan-Ying Wu, Sheng-Hui Lan, Hsiao-Sheng Liu, Ya-Shih Tseng
BACKGROUND: Arsenic is a widely distributed metalloid compound that has biphasic effects on cultured cells. In large doses, arsenic can be toxic enough to trigger cell death. In smaller amounts, non-toxic doses may promote cell proliferation and induces carcinogenesis. Aberration of chromosome is frequently detected in epithelial cells and lymphocytes of individuals from arsenic contaminated areas. Overexpression of Aurora-A, a mitotic kinase, results in chromosomal instability and cell transformation...
April 18, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28419266/the-effect-of-parasitism-and-interpopulation-hybridization-on-aedes-albopictus-diptera-culicidae-fitness
#11
Michelle Tseng
Recent research in mosquito population genetics suggests that interpopulation hybridization has likely contributed to the rapid spread of the container-breeding mosquitoes. Here, I used laboratory experiments to investigate whether interpopulation Aedes (Stegomyia) albopictus (Skuse) F1 and F2 hybrids exhibit higher fitness than parental populations, and whether hybrid mosquito performance is related to infection by the coevolved protozoan parasite Ascogregarina taiwanensis (Lien and Levine). Overall, there were significant differences in development time, wing length, and survival between the two parental mosquito populations, but no difference in per capita growth rate r...
April 15, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28419251/evaluating-genetic-variants-associated-with-breast-cancer-risk-in-high-and-moderate-penetrance-genes-in-asians
#12
Mi-Ryung Han, Wei Zheng, Qiuyin Cai, Yu-Tang Gao, Ying Zheng, Manjeet K Bolla, Kyriaki Michailidou, Joe Dennis, Qin Wang, Alison M Dunning, Paul Brennan, Shou-Tung Chen, Ji-Yeob Choi, Mikael Hartman, Hidemi Ito, Artitaya Lophatananon, Keitaro Matsuo, Hui Miao, Kenneth Muir, Suleeporn Sangrajrang, Chen-Yang Shen, Soo Hwang Teo, Chiu-Chen Tseng, Anna H Wu, Cheng Har Yip, Daehee Kang, Yong-Bing Xiang, Douglas F Easton, Xiao-Ou Shu, Jirong Long
Over the past 20 years, high-penetrance pathogenic mutations in genes BRCA1, BRCA2, TP53, PTEN, STK11, and CDH1 and moderate-penetrance mutations in genes CHEK2, ATM, BRIP1, PALB2, RAD51C, RAD50, and NBN have been identified for breast cancer. In the present study, we investigated whether there are additional variants in these 13 genes associated with breast cancer among women of Asian ancestry. We analyzed up to 654 single nucleotide polymorphisms (SNPs) from 6269 cases and 6624 controls of Asian descent included in the Breast Cancer Association Consortium (BCAC), and up to 236 SNPs from 5794 cases and 5529 controls included in the Shanghai Breast Cancer Genetics Study (SBCGS)...
April 17, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28418863/galnt14-genotype-as-a-response-predictor-for-concurrent-chemoradiotherapy-in-advanced-esophageal-squamous-cell-carcinoma
#13
Yung-Kuan Tsou, Kung-Hao Liang, Wey-Ran Lin, Hsien-Kun Chang, Chen-Kan Tseng, Chau-Ting Yeh
Esophageal squamous cell carcinoma is an aggressive cancer. We investigated genetic response predictors for patients with advanced esophageal squamous cell carcinoma receiving concurrent chemoradiotherapy. A cohort of 108 patients was recruited. Survival analysis showed that lower esophageal location of tumor, more advanced metastasis stage, and longer length of tumor were associated with poorer overall survival (adjusted P = 0.001, < 0.001, and 0.045, respectively), while the presence of complete/partial response to concurrent chemoradiotherapy was independently associated with better overall survival (adjusted P < 0...
March 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28414976/glucose-sensitive-self-healing-hydrogel-as-sacrificial-materials-to-fabricate-vascularized-constructs
#14
Ting-Chen Tseng, Fu-Yu Hsieh, Patrick Theato, Yen Wei, Shan-Hui Hsu
A major challenge in tissue engineering is the lack of proper vascularization. Although various approaches have been used to build vascular network in a tissue engineering construct, there remain some drawbacks. Herein, a glucose-sensitive self-healing hydrogel are employed as sacrificial materials to fabricate branched tubular channels within a construct. The hydrogel composes of mainly reversibly crosslinked poly(ethylene glycol) diacrylate and dithiothreitol with borax as the glucose-sensitive motif. The hydrogel is injectable and mechanically strong after injection...
April 9, 2017: Biomaterials
https://www.readbyqxmd.com/read/28414051/mechanisms-contributing-to-cognitive-deficits-in-cannabis-users
#15
REVIEW
Romina Mizrahi, Jeremy Watts, Kuei Y Tseng
Studies from preclinical animal models indicate that sustained activation of CB1 receptor signaling is a major contributing factor for the onset of cognitive deficits associated to chronic cannabis use, in particular within the working memory and decision-making domains. Yet, very few studies have been designed to directly assess the role of CB1 receptors in mediating the effects of cannabis on human brain function. This perspective review article provides an overview of current state of knowledge on possible neurobiological mechanisms accounting for the detrimental effects of chronic cannabis use on cognition and related changes in brain structure and functional connectivity...
April 14, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28413113/association-of-low-serum-albumin-concentration-and-adverse-cardiovascular-events-in-stable-coronary-heart-disease
#16
Shih-Chieh Chien, Chun-Yen Chen, Hsin-Bang Leu, Cheng-Huang Su, Wei-Hsian Yin, Wei-Kung Tseng, Yen-Wen Wu, Tsung-Hsien Lin, Kuan-Cheng Chang, Ji-Hung Wang, Chau-Chung Wu, Hung-I Yeh, Jaw-Wen Chen
OBJECTIVE: Coronary heart disease (CHD) is a leading cause of death in developed countries. Exploration of indicators to identify high risk individuals who develop adverse outcomes despite stable baseline condition is important. This study is to evaluate the association between serum albumin concentration and cardiovascular (CV) outcomes in individuals of stable CHD. METHODS: Seven-hundred-thirty-four participants from Biosignature study, a nationwide prospective cohort study aimed to identity risk factors among patients with stable CHD, were enrolled for analysis...
April 7, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28410636/stent-and-leaflet-stresses-in-29-mm-second-generation-balloon-expandable-transcatheter-aortic-valve
#17
Yue Xuan, Kapil Krishnan, Jian Ye, Danny Dvir, Julius M Guccione, Liang Ge, Elaine E Tseng
BACKGROUND: Equipoise of transcatheter aortic valve replacement with surgical aortic valve replacement in intermediate-risk patients has been demonstrated. As transcatheter aortic valve replacement usage expands, questions regarding long-term durability become paramount. Valve design impacts durability with regions of increased leaflet stress being vulnerable to early failure. However, transcatheter aortic valve (TAV) leaflet stresses are unknown. The objective of this study was to determine stent and leaflet stresses of second-generation balloon-expandable TAV...
April 12, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28409837/clinical-accuracy-of-preoperative-breast-mri-for-breast-cancer
#18
Jennifer Tseng, Alexandra Kyrillos, Erik Liederbach, Georgia G Spear, Jacob Ecanow, Chi-Hsiung Wang, Tom Czechura, Olga Kantor, Megan Miller, David J Winchester, Catherine E Pesce, Sarah Rabbitt, Katharine Yao
BACKGROUND: It is unclear if breast magnetic resonance imaging (MRI) is more accurate than mammography (MGM) and ultrasound (U/S) in aggregate for patients with invasive cancer. METHODS: We compared concordance of combined tumor size and tumor foci between MRI and MGM and U/S combined to pathological tumor size and foci as the gold standard from 2009 to 2015. Tumor size was nonconcordant if it differed from the pathologic size by ≥33% and tumor foci was nonconcordant if >1 foci were seen...
April 13, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28405806/rearrangement-of-potassium-ions-and-kv1-1-kv1-2-potassium-channels-in-regenerating-axons-following-end-to-end-neurorrhaphy-ionic-images-from-tof-sims
#19
Chiung-Hui Liu, Hung-Ming Chang, Tsung-Huan Wu, Li-You Chen, Yin-Shuo Yang, To-Jung Tseng, Wen-Chieh Liao
The voltage-gated potassium channels Kv1.1 and Kv1.2 that cluster at juxtaparanodal (JXP) regions are essential in the regulation of nerve excitability and play a critical role in axonal conduction. When demyelination occurs, Kv1.1/Kv1.2 activity increases, suppressing the membrane potential nearly to the equilibrium potential of K(+), which results in an axonal conduction blockade. The recovery of K(+)-dependent communication signals and proper clustering of Kv1.1/Kv1.2 channels at JXP regions may directly reflect nerve regeneration following peripheral nerve injury...
April 12, 2017: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/28403855/quality-of-life-of-breast-and-cervical-cancer-survivors
#20
Huei-Ying Huang, Wen-Chen Tsai, Wen-Yu Chou, Yao-Ching Hung, Liang-Chih Liu, Kuo-Feng Huang, Wen-Ching Wang, Kam-Wing Leung, Ruey-Kuen Hsieh, Pei-Tseng Kung
BACKGROUND: Breast and cervical cancer are the most common cancers affecting women. The symptom distresses experienced by cancer survivors are critical factors influencing their quality of life (QOL). This study investigated the QOL of breast and cervical cancer survivors, their physical, psychological and social conditions. METHODS: The participants were older than 20 years, had been diagnosed with breast or cervical cancer for more than 2 years, and had completed their cancer treatment...
April 12, 2017: BMC Women's Health
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