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https://www.readbyqxmd.com/read/28544835/leaflet-mechanical-properties-of-carpentier-edwards-perimount-magna-pericardial-aortic-bioprostheses
#1
Heide Kuang, Yue Xuan, Michelle Lu, Aart Mookhoek, Andrew D Wisneski, Julius M Guccione, Liang Ge, Elaine E Tseng
BACKGROUND: Transcatheter aortic valve replacement (TAVR) has recently been shown to be equivalent to surgical aortic valve replacement (SAVR) in intermediate-risk patients. As TAVR expands towards the traditionally SAVR population, TAVR versus SAVR durability becomes increasingly important. While the durability of TAVR is unknown, valve design - particularly with regards to leaflet stress - impacts on valve durability. Although leaflet stress cannot be measured directly, it can be determined using finite element modeling, with such models requiring the mechanical properties of the leaflets...
January 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28544580/efficacy-of-mycophenolate-mofetil-and-oral-cyclophosphamide-on-skin-thickness-post-hoc-analyses-from-the-scleroderma-lung-study-i-and-ii
#2
Rajaie Namas, Donald P Tashkin, Daniel E Furst, Holly Wilhalme, Chi-Hong Tseng, Michael D Roth, Suzanne Kafaja, Elizabeth Volkmann, Philip J Clements, Dinesh Khanna
OBJECTIVES: To assess the efficacy of mycophenolate mofetil (MMF) and cyclophosphamide (CYC) on the modified Rodnan skin score (mRSS) in participants enrolled in the Scleroderma Lung Study (SLS)-I and II. METHODS: SLS-I participants received daily oral CYC or matching placebo for one year, whereas SLS-II participants received daily MMF for 2 years or daily oral CYC for 1 year followed by placebo for second year. We assessed the impact of MMF and CYC on the mRSS in SLS-II over 24-month period...
May 23, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28544401/induced-fit-recognition-of-ccg-trinucleotide-repeats-by-a-nickel-chromomycin-complex-results-in-large-scale-dna-deformation
#3
Wen-Hsuan Tseng, Chung-Ke Chang, Pei-Ching Wu, Nien-Jen Hu, Gene-Hsiang Lee, Ching-Cherng Tzeng, Stephen Neidle, Ming-Hon Hou
Small-molecule compounds targeting trinucleotide repeats in DNA have considerable potential as therapeutic or diagnostic agents against many neurological diseases. NiII(Chro)2 (Chro = chromomycin A3) was found to bind specifically to the minor groove of (CCG)n repeats in duplex DNA, with unique fluorescence features that may serve as a probe for disease detection. Crystallographic studies have revealed that the specificity originates from the large-scale spatial rearrangement of the DNA structure, including extrusion of consecutive bases and backbone distortions, with a sharp bending of the duplex accompanied by conformational changes in the Ni(II) chelate itself...
May 23, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28543379/idiopathic-lymphoplasmacellular-mucositis-of-the-lips-a-case-report-and-review-of-the-literature
#4
Ren-Feng Liu, Chun-Bing Chen, Tseng-Tong Kuo, Wen-Hung Chung
Idiopathic lymphoplasmacellular mucositis (ILPM) is a group of disorders histologically characterized by dense infiltrates of lymphocytes and plasma cells in submucosa. These lesions are initially observed on the glans penis and vulva, and later on buccal mucosa, lips, gingiva, tongue, epiglottis, larynx, and other mucosal surfaces have also been reported. We have reviewed the previously reported cases of ILPM with lip involvement, outlining the clinical presentation, treatment and outcome of the entity to date...
May 23, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28541721/a-joint-bayesian-model-for-integrating-microarray-and-rna-sequencing-transcriptomic-data
#5
Tianzhou Ma, Faming Liang, Steffi Oesterreich, George C Tseng
As the sequencing cost continued to drop in the past decade, RNA sequencing (RNA-seq) has replaced microarray to become the standard high-throughput experimental tool to analyze transcriptomic profile. As more and more datasets are generated and accumulated in the public domain, meta-analysis to combine multiple transcriptomic studies to increase statistical power has received increasing popularity. In this article, we propose a Bayesian hierarchical model to jointly integrate microarray and RNA-seq studies...
May 25, 2017: Journal of Computational Biology: a Journal of Computational Molecular Cell Biology
https://www.readbyqxmd.com/read/28538267/cirrhosis-has-no-impact-on-therapeutic-responses-of-entecavir-for-chronic-hepatitis-b
#6
Pin-Chao Wang, Tao-Yang Wei, Tai-Chung Tseng, Hans Hsienhong Lin, Chia-Chi Wang
OBJECTIVE: As the efficacy of a direct antiviral agent is reduced in cirrhotic chronic hepatitis C patients, prolonged duration of treatment or addition of ribavirin is recommended to improve the rates of sustained virological response. However, the impact of cirrhosis on the efficacy of antiviral treatment for chronic hepatitis B (CHB) remained unclear. PATIENTS AND METHODS: This retrospective cohort study screened entecavir (ETV)-treated CHB patients in Taipei Tzu Chi Hospital from January 2007 till October 2014...
May 19, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28537912/braf-mek-inhibitors-promote-cd47-expression-that-is-reversible-by-erk-inhibition-in-melanoma
#7
Fen Liu, Chen Chen Jiang, Xu Guang Yan, Hsin-Yi Tseng, Chun Yan Wang, Yuan Yuan Zhang, Hamed Yari, Ting La, Margaret Farrelly, Su Tang Guo, Rick F Thorne, Lei Jin, Qi Wang, Xu Dong Zhang
The expression of CD47 on the cancer cell surface transmits "don't eat me" signalling that not only inhibits phagocytosis of cancer cells by phagocytes but also impairs anti-cancer T cell responses. Here we report that oncogenic activation of ERK plays an important role in transcriptional activation of CD47 through nuclear respiratory factor 1 (NRF-1) in melanoma cells. Treatment with BRAF/MEK inhibitors upregulated CD47 in cultured melanoma cells and fresh melanoma isolates. Similarly, melanoma cells selected for resistance to the BRAF inhibitor vemurafenib expressed higher levels of CD47...
May 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28537905/suppression-of-lps-induced-inflammatory-responses-by-the-hydroxyl-groups-of-dexamethasone
#8
Ting-Yun Chuang, An-Jie Cheng, I-Ting Chen, Tien-Yun Lan, I-Hsuan Huang, Chung-Wai Shiau, Chia-Lin Hsu, Ya-Wen Liu, Zee-Fen Chang, Ping-Hui Tseng, Jean-Cheng Kuo
The innate immune response is a central process that is activated during pathogenic infection in order to maintain physiological homeostasis. It is well known that dexamethasone (Dex), a synthetic glucocorticoid, is a potent immunosuppressant that inhibits the cytokine production induced by bacterial lipopolysaccharides (LPS). Nevertheless, the extent to which the functional groups of Dex control the excessive activation of inflammatory reactions remains unknown. Furthermore, importantly, the role of Dex in the innate immune response remains unclear...
May 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28537109/facial-and-prosodic-emotion-recognition-in-social-anxiety-disorder
#9
Huai-Hsuan Tseng, Yu-Lien Huang, Jian-Ting Chen, Kuei-Yu Liang, Chao-Cheng Lin, Sue-Huei Chen
INTRODUCTION: Patients with social anxiety disorder (SAD) have a cognitive preference to negatively evaluate emotional information. In particular, the preferential biases in prosodic emotion recognition in SAD have been much less explored. The present study aims to investigate whether SAD patients retain negative evaluation biases across visual and auditory modalities when given sufficient response time to recognise emotions. METHODS: Thirty-one SAD patients and 31 age- and gender-matched healthy participants completed a culturally suitable non-verbal emotion recognition task and received clinical assessments for social anxiety and depressive symptoms...
May 24, 2017: Cognitive Neuropsychiatry
https://www.readbyqxmd.com/read/28536676/leptospira-immunoglobulin-like-protein-b-interacts-with-the-20th-exon-of-human-tropoelastin-contributing-to-leptospiral-adhesion-to-human-lung-cells
#10
Ching-Lin Hsieh, Andrew Tseng, Hongxuan He, Chih-Jung Kuo, Xuannian Wang, Yung-Fu Chang
Leptospira immunoglobulin-like protein B (LigB), a surface adhesin, is capable of mediating the attachment of pathogenic leptospira to the host through interaction with various components of the extracellular matrix (ECM). Human tropoelastin (HTE), the building block of elastin, confers resilience and elasticity to lung, and other tissues. Previously identified Ig-like domains of LigB, including LigB4 and LigB12, bind to HTE, which is likely to promote Leptospira adhesion to lung tissue. However, the molecular mechanism that mediates the LigB-HTE interaction is unclear...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28535970/upper-extremity-deep-venous-thrombosis-after-port-insertion-what-are-the-risk-factors
#11
Omidreza Tabatabaie, Gyulnara G Kasumova, Tara S Kent, Mariam F Eskander, Ayotunde B Fadayomi, Sing Chau Ng, Jonathan F Critchlow, Nicholas E Tawa, Jennifer F Tseng
BACKGROUND: Totally implantable venous access devices (ports) are widely used, especially for cancer chemotherapy. Although their use has been associated with upper extremity deep venous thrombosis, the risk factors of upper extremity deep venous thrombosis in patients with a port are not studied adequately. METHODS: The Healthcare Cost and Utilization Project's Florida State Ambulatory Surgery and Services Database was queried between 2007 and 2011 for patients who underwent outpatient port insertion, identified by Current Procedural Terminology code...
May 20, 2017: Surgery
https://www.readbyqxmd.com/read/28535107/egg-consumption-associated-with-increased-concentration-of-serum-total-and-low-density-lipoprotein-cholesterol-in-prospective-randomized-controlled-trials-thereby-possibly-associating-with-atherosclerosis-from-a-view-of-cardiologists
#12
Cheng-Wei Liu, Tzu-Chiao Lin, Guo-Shiang Tseng, Shyi-Shiaw Jiau
No abstract text is available yet for this article.
May 23, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28532582/pain-in-early-stage-parkinson-s-disease-implications-from-clinical-features-to-pathophysiology-mechanisms
#13
REVIEW
Ming-Tsung Tseng, Chin-Hsien Lin
Pain is a common non-motor symptom of Parkinson's disease (PD) that markedly impacts patients' quality of life. Although pain occurs mostly secondary to motor disability of PD, pain may antedate motor symptoms by years. Numerous studies have shown that PD patients manifest altered sensory and pain thresholds compared with control subjects. Although both levodopa and deep brain stimulation improve motor symptoms, there remains no direct correlation between motor improvement and altered pain sensitivity, suggesting that motor symptoms and pain do not necessarily share pathogenetic mechanisms...
May 19, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28532127/investigation-of-free-standing-plasmonic-mesoporous-ag-cmk-8-nafion-composite-membrane-for-the-removal-of-organic-pollutants-with-254-nm-uv-irradiation
#14
Chuan Ming Tseng, Hsin Liang Chen, Sz Nian Lai, Ming Shiung Chen, Chien Jung Peng, Chia Jui Li, Wei Hsuan Hung
"Carbon-based material" has demonstrated a great potential on water purification due to its strong physical adsorption to organic pollutants in the water. Three-dimensional cubic ordered mesoporous carbon (CMK-8), one of the well-known ordered mesoporous carbons, was prepared by using nanocasting method with mesoporous silica (KIT-6) as the template. In this study, CMK-8 blended with Nafion polymer to form a free-standing mesoporous CMK-8-Nafion composite membrane. The synthesis of high crystallinity CMK-8 was characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM)...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28529834/development-and-characterization-of-est-ssr-markers-for-begonia-luzhaiensis-begoniaceae
#15
Yu-Hsin Tseng, Han-Yau Huang, Wei-Bin Xu, Hsun-An Yang, Yan Liu, Ching-I Peng, Kuo-Fang Chung
PREMISE OF THE STUDY: Microsatellite primers were developed for Begonia luzhaiensis (Begoniaceae) to assess genetic diversity and population genetic structure. METHODS AND RESULTS: Based on the transcriptome data of B. luzhaiensis, 60 primer pairs were selected for initial validation, of which 16 yielded polymorphic microsatellite loci in 57 individuals. The number of alleles observed for these 16 loci ranged from one to nine. The observed and expected heterozygosity ranged from 0...
May 2017: Applications in Plant Sciences
https://www.readbyqxmd.com/read/28529639/overexpression-of-insulin-like-growth-factor-1-enhanced-the-osteogenic-capability-of-aging-bone-marrow-mesenchymal-stem-cells
#16
Ching-Yun Chen, Kuo-Yun Tseng, Yen-Liang Lai, Yo-Shen Chen, Feng-Huei Lin, Shankung Lin
Many studies have indicated that loss of the osteoblastogenic potential in bone marrow mesenchymal stem cells (bmMSCs) is the major component in the etiology of the aging-related bone deficit. But how the bmMSCs lose osteogenic capability in aging is unclear. Using 2-dimentional cultures, we examined the dose response of human bmMSCs, isolated from adult and aged donors, to exogenous insulin-like growth factor 1 (IGF-1), a growth factor regulating bone formation. The data showed that the mitogenic activity and the osteoblastogenic potential of bmMSCs in response to IGF-1 were impaired with aging, whereas higher doses of IGF-1 increased the proliferation rate and osteogenic potential of aging bmMSCs...
2017: Theranostics
https://www.readbyqxmd.com/read/28526810/bioinformatics-and-in-vitro-experimental-analyses-identify-the-selective-therapeutic-potential-of-interferon-gamma-and-apigenin-against-cervical-squamous-cell-carcinoma-and-adenocarcinoma
#17
Pei-Ming Yang, Chia-Jung Chou, Ssu-Hsueh Tseng, Chien-Fu Hung
The clinical management and treatment of cervical cancer, one of the most commonly diagnosed cancers and a leading cause of cancer-related female death, remains a huge challenge for researchers and health professionals. Cervical cancer can be categorized into two major subtypes: common squamous cell carcinoma (SCC) and adenocarcinoma (AC). Although it is a relatively rare histological subtype of cervical cancer, there has been a steady increase in the incidences of AC. Therefore, new strategies to treat cervical cancer are urgently needed...
May 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28525601/too-fast-or-too-slow-time-and-neuronal-variability-in-bipolar-disorder-a-combined-theoretical-and-empirical-investigation
#18
Georg Northoff, Paola Magioncalda, Matteo Martino, Hsin-Chien Lee, Ying-Chi Tseng, Timothy Lane
Time is an essential feature in bipolar disorder (BP). Manic and depressed BP patients perceive the speed of time as either too fast or too slow. The present article combines theoretical and empirical approaches to integrate phenomenological, psychological, and neuroscientific accounts of abnormal time perception in BP. Phenomenology distinguishes between perception of inner time, ie, self-time, and outer time, ie, world-time, that desynchronize or dissociate from each other in BP: inner time speed is abnormally slow (as in depression) or fast (as in mania) and, by taking on the role as default-mode function, impacts and modulates the perception of outer time speed in an opposite way, ie, as too fast in depression and too slow in mania...
May 19, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/28524785/development-of-genipin-crosslinked-fucoidan-chitosan-n-arginine-nanogels-for-preventing-helicobacter-infection
#19
Yu-Hsin Lin, Kun-Ying Lu, Ching-Li Tseng, Jui-Yu Wu, Chien-Ho Chen, Fwu-Long Mi
AIM: This study aims to validate the anti-Helicobacter pylori efficacy of amoxicillin-loaded nanoparticles and nanogels with pH-responsive and site-specific drug release properties against H. pylori infection. MATERIALS & METHODS: Genipin-crosslinked low molecular weight fucoidan/chitosan-N-arginine nanogels (FCSA) were prepared for targeted delivery of amoxicillin to the site of H. pylori infected AGS gastric epithelial cells. RESULTS: The negatively charged nanogels (n-FCSA) adhered to H...
May 19, 2017: Nanomedicine
https://www.readbyqxmd.com/read/28524079/assembly-of-hepatocyte-spheroids-using-magnetic-3d-cell-culture-for-cyp450-inhibition-induction
#20
Pujan K Desai, Hubert Tseng, Glauco R Souza
There is a significant need for in vitro methods to study drug-induced liver injury that are rapid, reproducible, and scalable for existing high-throughput systems. However, traditional monolayer and suspension cultures of hepatocytes are difficult to handle and risk the loss of phenotype. Generally, three-dimensional (3D) cell culture platforms help recapitulate native liver tissue phenotype, but suffer from technical limitations for high-throughput screening, including scalability, speed, and handling. Here, we developed a novel assay for cytochrome P450 (CYP450) induction/inhibition using magnetic 3D cell culture that overcomes the limitations of other platforms by aggregating magnetized cells with magnetic forces...
May 18, 2017: International Journal of Molecular Sciences
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