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https://www.readbyqxmd.com/read/28632690/noninvasive-nuclear-spect-myocardial-blood-flow-quantitation-to-guide-management-for-coronary-artery-disease
#1
Lung-Ching Chen, Bor-Hsin Jong, Sheng-Che Lin, Chi-Tai Ku, Ing-Jou Chen, Yen-Kung Chen, Bailing Hsu
Recently, myocardial blood flow quantitation with dynamic SPECT has been validated to enhance the detection of multivessel coronary artery disease (CAD) and conclude equivocal SPECT myocardial perfusion study. This advance opened an important clinical application to utilize the tool in guiding CAD management for area where myocardial perfusion tracers for PET are unavailable or unaffordable. We present a clinical patient with ongoing recursive angina who underwent multiple nuclear stress tests for a sequence of CAD evaluation in 26 months and demonstrated that SPECT myocardial blood flow quantitation properly guided CAD management to warrant patient outcome...
June 19, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28628663/survival-and-medical-utilization-of-children-and-adolescents-with-prolonged-ventilator-dependent-and-associated-factors
#2
Szu-Chi Pai, Pei-Tseng Kung, Wen-Yu Chou, Tsunghuai Kuo, Wen-Chen Tsai
Over the course of a year, more than 20,000 patients in Taiwan require prolonged mechanical ventilation (PMV). Data from the National Health Insurance Research Database for patients between 2005 and 2011 were used to conduct a retrospective analysis on ventilator dependence. The study subjects were PMV patients aged <17 years in Taiwan. A multiple regression model employing general estimating equations was applied to investigate the factors affecting the use of medical resources by children and adolescent PMV patients...
2017: PloS One
https://www.readbyqxmd.com/read/28620130/circulating-microparticles-are-prognostic-biomarkers-in-advanced-non-small-cell-lung-cancer-patients
#3
Chin-Chou Wang, Chia-Cheng Tseng, Huang-Chih Chang, Kuo-Tung Huang, Wen-Feng Fang, Yu-Mu Chen, Cheng-Ta Yang, Chang-Chun Hsiao, Meng-Chih Lin, Chi-Kung Ho, Hon-Kan Yip
We investigated whether circulating microparticles (MPs) could serve as prognostic biomarkers in non-small cell lung cancer (NSCLC) patients. We enrolled 25 control subjects and 136 NSCLC patients categorized into disease-progression (DP, n=42) and disease-control (DC, n=94) groups. Flow cytometric analysis showed that levels of four types of circulating microparticles (EDAc-MPs, EDAp-MPs, PDAc-MPs and PDAp-MPs) were higher in the study patients than the control subjects (P < 0.04). DP patients showed poor initially performance status and more non-adenocarcinomas than DC patients...
June 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28615684/flat-terahertz-reflective-focusing-metasurface-with-scanning-ability
#4
Huan Yi, Shi-Wei Qu, Bao-Jie Chen, Xue Bai, Kung Bo Ng, Chi Hou Chan
The ability to manipulate the propagation properties of electromagnetic waves, e.g., divergence, focusing, holography or deflection, is very significant in terahertz applications. Metasurfaces with flat structures are attractive for achieving such manipulations in terahertz band, as they feature low profile, lightweight, and ease of design and installation. Several types of terahertz reflective or transmitting metasurfaces with focusing function have been implemented recently, but none of them can provide scanning ability with controllable focus...
June 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28600287/enrichment-of-human-ccr6-regulatory-t-cells-with-superior-suppressive-activity-in-oral-cancer
#5
Jang-Jaer Lee, Kung-Chi Kao, Yen-Ling Chiu, Chiau-Jing Jung, Chung-Ji Liu, Shih-Jung Cheng, Yen-Liang Chang, Jenq-Yuh Ko, Jean-San Chia
Human oral squamous cell carcinoma (OSCC) constitutes an inflammatory microenvironment enriched with chemokines such as CCL20, which promote cancer cell invasion and tumor progression. We found that in OSCC there is a correlation between the expression of CCL20 and FOXP3 mRNA. Therefore, we hypothesized that OSCC may favor the recruitment and retention of regulatory T (Treg) cells that express the CCL20 receptor, CCR6. Interestingly, most (∼60%) peripheral blood Treg cells express CCR6, and CCR6(+) Treg cells exhibit an activated effector/memory phenotype...
June 9, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28580968/collision-induced-dissociation-of-sodiated-glucose-and-identification-of-anomeric-configuration
#6
Jien-Lian Chen, Hock Seng Nguan, Po-Jen Hsu, Shang-Ting Tsai, Chia Yen Liew, Jer-Lai Kuo, Wei-Ping Hu, Chi-Kung Ni
Collision-induced dissociation (CID) of sodiated glucose was investigated using electronic structure calculations and resonance excitation in a low-pressure linear ion trap. The major dissociation channels in addition to desodiation are dehydration and C2H4O2 elimination reactions which the barrier heights are near to or lower than the sodiation energy of glucose. Dehydration reaction involves the transfer of the H atom from the O2 atom to the O1 atom, followed by the cleavage of the C1-O1 bond. Notably, α-glucose has a dehydration barrier lower than that of β-glucose...
June 14, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28541714/a-multivariate-evaluation-of-factors-affecting-the-quality-of-freshly-frozen-tissue-specimens
#7
Tong-Hong Wang, Chin-Chuan Chen, Kung-Hao Liang, Chi-Yuan Chen, Wen-Yu Chuang, Shir-Hwa Ueng, Pao-Hsien Chu, Chung-Guei Huang, Tse-Ching Chen, Chuen Hsueh
Well-prepared and preserved freshly frozen specimens are indispensable materials for clinical studies. To manage specimen quality and to understand the factors potentially affecting specimen quality during preservation processes, we analyzed the quality of RNA and genomic DNA of various tissues collected between 2002 and 2011 in Linkou Chang Gung Memorial Hospital, Taiwan. During this period, a total of 1059 freshly frozen specimens from eight major cancer categories were examined. It was found that preservation duration, organ origin, and tissue type could all influence the quality of RNA samples...
May 25, 2017: Biopreservation and Biobanking
https://www.readbyqxmd.com/read/28539271/gene-expression-profiling-of-tumor-associated-macrophages-after-exposure-to-single-dose-irradiation
#8
Wei-Hsiang Kung, Ching-Fang Yu, Andy Chi-Lung Lee, Chi-Dung Yang, Yu-Chen Liu, Fang-Hsin Chen, Hsien-Da Huang
Radiotherapy (RT) is a common cancer treatment approach that accounts for nearly 50% of patient treatment; however, tumor relapse after radiotherapy is still a major issue. To study the crucial role of tumor-associated macrophages (TAMs) in the regulation of tumor progression post-RT, microarray experiments comparing TAM gene expression profiles between unirradiated and irradiated tumors were conducted to discover possible roles of TAMs in initiation or contribution to tumor recurrence following RT, taking into account the relationships among gene expression, tumor microenvironment, and immunology...
April 30, 2017: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/28497504/semiconducting-coordination-polymers-based-on-the-predesigned-ternary-te-fe-cu-carbonyl-cluster-and-conjugation-interrupted-dipyridyl-linkers
#9
Minghuey Shieh, Chia-Chi Yu, Chia-Yeh Miu, Chang-Hung Kung, Chung-Yi Huang, Yu-Hsin Liu, Hsiang-Lin Liu, Chih-Chiang Shen
A series of semiconducting cluster-incorporated Cu-based coordination polymers, namely, 1D zigzag polymers [{TeFe3 (CO)9 Cu2 }(L)]n (L=1,2-bis(4-pyridyl)ethane (bpea), 1; L=1,2-bis(4-pyridyl)ethylene (bpee), 5), 2D honeycomb-like polymers [{TeFe3 (CO)9 Cu}Cu(L)2.5 ]n (L=bpea, 2; L=bpee, 6), and 2D wave-like cation-anion polymer [{Cu2 (L)4 }({TeFe3 (CO)9 Cu}2 (L))]n (L=1,3-bis(4-pyridyl)propane (bpp), 4), as well as the macrocycle [{TeFe3 (CO)9 Cu2 }2 (bpp)2 ] (3) have been quantitatively synthesized via the liquid-assisted grinding from the pre-designed cluster [TeFe3 (CO)9 Cu2 (MeCN)2 ] with conjugated or conjugation-interrupted dipyridyl linkers...
May 11, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28451991/-18-f-fp-dtbz-pet-study-in-a-lactacystin-treated-rat-model-of-parkinson-disease
#10
Chi-Chang Weng, Siao-Lan Huang, Zi-An Chen, Kun-Ju Lin, Ing-Tsung Hsiao, Tzu-Chen Yen, Mei-Ping Kung, Shiaw-Pyng Wey, Ching-Han Hsu
OBJECTIVE: Lactacystin has been used to establish rodent models of Parkinson disease (PD), with cerebral α-synuclein inclusions. This study evaluated the uptake of [(18)F]9-fluoropropyl-(+)-dihydrotetrabenazine ([(18)F]FP-(+)-DTBZ), a vesicular monoamine transporter type 2 (VMAT2)-targeting radiotracer, through positron emission tomography (PET) in lactacystin-treated rat brains. METHODS: Adult male Sprague-Dawley rats were randomly treated with a single intracranial dose of lactacystin (2 or 5 μg) or saline (served as the sham control) into the left medial forebrain bundle...
April 27, 2017: Annals of Nuclear Medicine
https://www.readbyqxmd.com/read/28434461/effect-of-black-tea-consumption-on-radial-blood-pulse-spectrum-and-cognitive-health
#11
Chi-Wei Chang, Sheng-Hung Wang, Ming-Yie Jan, Wei-Kung Wang
Black tea consumption has been proven to improve endothelial function and to lower the risk of stroke and cognitive impairment. Several effects of black tea on cardiovascular system had been surveyed. However, the black tea effect on pressure pulse spectrum remains unknown. The study was aimed to investigate the influence of black tea on radial blood pressure and Pulse Spectrum. Fourteen healthy subjects received water and single doses of black tea (0.05g/Kg) in separate weeks. The radial blood pressure and pulse wave were measured and the pressure pulses were evaluated using harmonic analysis...
April 2017: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/28425200/high-dose-calcineurin-inhibitor-free-everolimus-as-a-maintenance-regimen-for-heart-transplantation-may-be-a-risk-factor-for%C3%A2-pneumocystis-pneumonia
#12
Yu-Ning Hu, Nan-Yao Lee, Jun-Neng Roan, Chi-Hsin Hsu, Chwan-Yao Luo
BACKGROUND: Everolimus reduces the incidence of cardiac-allograft vasculopathy (CAV) and is less renally toxic than are calcineurin inhibitors (CNIs). We evaluated the safety of CNI-free everolimus for post-heart transplant (HTx) patients. METHODS: We retrospectively reviewed the records of 36 consecutive patients who had undergone an HTx between January 2006 and December 2013 in National Cheng Kung University Hospital. All patients initially had been treated with the standard tacrolimus regimen...
April 20, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28369084/nmd-classifier-a-reliable-and-systematic-classification-tool-for-nonsense-mediated-decay-events
#13
Min-Kung Hsu, Hsuan-Yu Lin, Feng-Chi Chen
Nonsense-mediated decay (NMD) degrades mRNAs that include premature termination codons to avoid the translation and accumulation of truncated proteins. This mechanism has been found to participate in gene regulation and a wide spectrum of biological processes. However, the evolutionary and regulatory origins of NMD-targeted transcripts (NMDTs) have been less studied, partly because of the complexity in analyzing NMD events. Here we report NMD Classifier, a tool for systematic classification of NMD events for either annotated or de novo assembled transcripts...
2017: PloS One
https://www.readbyqxmd.com/read/28288911/effects-of-traditional-medical-herbs-minor-bupleurum-decoction-on-the-non-specific-immune-responses-of-white-shrimp-litopenaeus-vannamei
#14
Yu-Sheng Wu, Meng-Chou Lee, Cheng-Ting Huang, Tzu-Chi Kung, Chih-Yang Huang, Fan-Hua Nan
This study is investigating the effect of minor bupleurum decoction (Xiao-Chai-Hu decoction) on the non-specific immune response of white shrimp (Litopenaeus vannamei). To determine prophenoloxidase activity (proPO), reactive oxygen species production (ROS), superoxide anion production (O2(-)), nitric oxide production (NO), phagocytic rate (PR), phagocytic index (PI), superoxide dismutase activity (SOD), total haemocyte count (THC) and differential haemocyte count (DHC). In this experiment, treating with different dosages (0, 0...
May 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28257461/quantitative-analysis-of-the-therapeutic-effect-of-magnolol-on-mptp-induced-mouse-model-of-parkinson-s-disease-using-in-vivo-18f-9-fluoropropyl-dihydrotetrabenazine-pet-imaging
#15
Chi-Chang Weng, Zi-An Chen, Ko-Ting Chao, Ting-Wei Ee, Kun-Ju Lin, Ming-Huan Chan, Ing-Tsung Hsiao, Tzu-Chen Yen, Mei-Ping Kung, Ching-Han Hsu, Shiaw-Pyng Wey
18F-9-Fluoropropyl-(+)-dihydrotetrabenazine [18F-FP-(+)-DTBZ] positron emission tomography (PET) has been shown to detect dopaminergic neuron loss associated with Parkinson's disease (PD) in human and neurotoxin-induced animal models. A polyphenol compound, magnolol, was recently proposed as having a potentially restorative effect in 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)- or 6-hydroxydopamine-treated animal models. In this study, 18F-FP-(+)-DTBZ PET was used to determine the therapeutic efficacy of magnolol in an MPTP-PD mouse model that was prepared by giving an intraperitoneally (i...
2017: PloS One
https://www.readbyqxmd.com/read/28254232/comparing-the-midterm-outcome-of-single-incision-vaginal-mesh-and-transobturator-vaginal-mesh-in-treating-severe-pelvic-organ-prolapse
#16
Tsai-Hwa Yang, Ling-Ying Wu, Fei-Chi Chuang, Fu-Tsai Kung, Kuan-Hui Huang
OBJECTIVE: The aim of this study is to compare perioperative parameters and midterm clinical outcomes using two different mesh kits: transobturator vaginal mesh (TVM) (both Perigee and Apogee), versus single incision vaginal mesh (SIM) (combined Elevate anterior/apical system and Elevate posterior/apical system) in treating severe pelvic organ prolapse (POP). MATERIALS AND METHODS: This is a retrospective cohort study. During 2008 and 2013, those women with severe POP [POP quantification system (POP-Q), Stage III and Stage IV], who received either TVM or SIM operation, were enrolled for cohort comparison...
February 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28152037/reassessing-the-feasibility-of-the-zygote-score-for-predicting-embryo-viability-in-ivf-icsi-using-the-gnrh-antagonist-protocol-compared-to-the-long-protocol
#17
Pin-Yao Lin, Fu-Jen Huang, Fu-Tsai Kung, Yi-Chi Lin, Hsin-Ju Chiang, Yu-Ju Lin, Kuo-Chung Lan
BACKGROUND: Many factors from the oocyte/sperm or the process of fertilization may affect the zygote formation. The zygote score (Z-score) describes the quality of a human zygote based on its pronuclear morphology, nucleolar precursor bodies, and alignment of polar bodies, and it can be used in the selection process at the zygote stage for embryo transfer or cryopreservation. OBJECTIVE: The aim of this retrospective cohort study was to investigate the relationship between different controlled ovarian stimulation (COS) protocols and the zygote score (Z-score) and to assess the feasibility of the Z-score for predicting embryo survival in the GnRH-antagonist (GnRH-ant) protocol...
2017: PloS One
https://www.readbyqxmd.com/read/28098219/combined-lrrk2-mutation-aging-and-chronic-low-dose-oral-rotenone-as-a-model-of-parkinson-s-disease
#18
Hui-Fang Liu, Philip Wing-Lok Ho, Gideon Chi-Ting Leung, Colin Siu-Chi Lam, Shirley Yin-Yu Pang, Lingfei Li, Michelle Hiu-Wai Kung, David Boyer Ramsden, Shu-Leong Ho
Aging, genetics and environmental toxicity are important etiological factors in Parkinson's disease (PD). However, its pathogenesis remains unclear. A major obstacle is the lack of an appropriate experimental model which incorporates genetic susceptibility, aging and prolonged environmental toxicity. Here, we explored the interplay amongst these factors using mutant LRRK2(R1441G) (leucine-rich-repeat-kinase-2) knockin mice. We found that mutant primary cortical and mesencephalic dopaminergic neurons were more susceptible to rotenone-induced ATP deficiency and cell death...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28077164/erratum-to-novel-sorafenib-analogues-induce-apoptosis-through-shp-1-dependent-stat3-inactivation-in-human-breast-cancer-cells
#19
Chun-Yu Liu, Ling-Ming Tseng, Jung-Chen Su, Kung-Chi Chang, Pei-Yi Chu, Wei-Tien Tai, Chung-Wai Shiau, Kuen-Feng Chen
No abstract text is available yet for this article.
January 11, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/27987771/adhesion-and-metabolic-activity-of-human-corneal-cells-on-pcl-based-nanofiber-matrices
#20
Piotr Stafiej, Florian Küng, Daniel Thieme, Marta Czugala, Friedrich E Kruse, Dirk W Schubert, Thomas A Fuchsluger
In this work, polycaprolactone (PCL) was used as a basic polymer for electrospinning of random and aligned nanofiber matrices. Our aim was to develop a biocompatible substrate for ophthalmological application to improve wound closure in defects of the cornea as replacement for human amniotic membrane. We investigated whether blending the hydrophobic PCL with poly (glycerol sebacate) (PGS) or chitosan (CHI) improves the biocompatibility of the matrices for cell expansion. Human corneal epithelial cells (HCEp) and human corneal keratocytes (HCK) were used for in vitro biocompatibility studies...
February 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
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