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Jen Wang

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https://www.readbyqxmd.com/read/28342595/taiwan-s-organ-donation-and-transplantation-observation-from-national-registry-point-of-view
#1
Tsung-Hsi Wang, Po-Chang Lee, Yang-Jen Chiang
No abstract text is available yet for this article.
March 22, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28336531/vasopressin-induced-serine-269-phosphorylation-reduces-sipa111-signal-induced-proliferation-associated-1-like-1-mediated-aquaporin-2-endocytosis
#2
Po-Jen Wang, Shu-Ting Lin, Shao-Hsuan Liu, Kuang-Ting Kuo, Chun-Hua Hsu, Mark A Knepper, Ming-Jiun Yu
The abundance of integral membrane proteins in the plasma membrane is determined by a dynamic balance between exocytosis and endocytosis, which can often be regulated by physiological stimuli. Here, we describe a mechanism that accounts for the ability of the peptide hormone vasopressin to regulate water excretion via a phosphorylation-dependent modulation of the PDZ domain-ligand interactions involving the water channel protein aquaporin-2. We discovered that the PDZ domain-containing protein Sipa1l1 (signal-induced proliferation-associated 1 like 1) binds to the cytoplasmic PDZ-ligand motif of aquaporin-2 and accelerates its endocytosis in the absence of vasopressin...
March 23, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28334215/systematic-inference-of-functional-phosphorylation-events-in-yeast-metabolism
#3
Yu Chen, Yonghong Wang, Jens Nielsen
Motivation: Protein phosphorylation is a post-translational modification that affects proteins by changing their structure and conformation in a rapid and reversible way, and it is an important mechanism for metabolic regulation in cells. Phosphoproteomics enables high-throughput identification of phosphorylation events on metabolic enzymes, but identifying functional phosphorylation events still requires more detailed biochemical characterization. Therefore, development of computational methods for investigating unknown functions of a large number of phosphorylation events identified by phosphoproteomics has received increased attention...
March 2, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28330678/acute-macular-edema-and-peripapillary-soft-exudate-after-pancreas-transplantation-with-accelerated-progression-of-diabetic-retinopathy
#4
Fang-Yi Tsai, Ling-Ing Lau, An-Fei Li, Shih-Jen Chen, Shin-E Wang, Fenq-Lih Lee, Catherine Jiu-Lin Liu, Yi-Ming Shyr
BACKGROUND: The effect of pancreas transplantation on diabetic retinopathy remains inconclusive. Herein, we report six patients with type 1 diabetes mellitus (DM) who underwent pancreas transplantation and developed acute macular edema and peripapillary soft exudate with rapid progression to proliferative diabetic retinopathy. METHODS: In this retrospective observational study, diabetic patients who underwent pancreas transplantation in a single medical center and developed symptomatic acute macular edema and peripapillary soft exudate within 3 months after the operation were enrolled...
March 18, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28328226/non-enzymatic-glucose-sensor-based-on-au-zno-core-shell-nanostructures-decorated-with-au-nanoparticles-and-enhanced-with-blue-and-green-light
#5
Cheng-Liang Hsu, Yu-Jui Fang, Ting-Jen Hsueh, Sin-Hui Wang, Shoou-Jinn Chang
Au/ZnO core-shell nanostructures decorated with Au nanoparticles were synthesized on ITO/glass substrate. The investigated sensor contains 2-D, 1-D, and 0-D nanostructures to provide a large surface-area-to-volume ratio, the catalytic quantum effect and avoid the issues inherent in heterojunction interface barriers. The sensitivities of the fabricated glucose sensors in the dark, and under blue and green LED illumination were 3371.9, 4410.9, and 4157.8 μA/cm2mM-1, respectively. The achieved sensitivities are higher than previous reports on Au nanostructure sensors by 2~100 times...
March 22, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28325251/interferon-induced-thrombotic-microangiopathy-tma-analysis-and-concise-review
#6
REVIEW
Ajay Kundra, Jen Chin Wang
Interferon (IFN) has been associated with development of thrombotic microangiopathy including thrombotic thrombocytopenic purpura (TTP) and hemolytic uremic syndrome (HUS). We reviewed literature from the earliest reported association in 1993, to July 2016 and found 68 cases. Analysis of this data shows: (1) Mean age at diagnosis was 47 years (95% CI, 44-50). (2) Majority of cases were seen where IFN was used for the treatment of chronic myelogenous leukemia (CML), multiple sclerosis (MS), chronic hepatitis C virus infection (HCV) and one case each for hairy cell leukemia (HCL) and Sezary syndrome...
April 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28319162/risk-of-acute-myocardial-infarction-in-patients-with-gastroesophageal-reflux-disease-a-nationwide-population-based-study
#7
Wei-Yi Lei, Jen-Hung Wang, Shu-Hui Wen, Chih-Hsun Yi, Jui-Sheng Hung, Tso-Tsai Liu, William C Orr, Chien-Lin Chen
OBJECTIVE: Gastroesophageal reflux disease (GERD) is a common disease which can cause troublesome symptoms and affect quality of life. In addition to esophageal complications, GERD may also be a risk factor for extra-esophageal complications. Both GERD and coronary artery disease (CAD) can cause chest pain and frequently co-exist. However, the association between GERD and acute myocardial infarction (AMI) remain unclear. The purpose of the study was to compare the incidence of acute myocardial infarction in GERD patients with an age-, gender-, and comorbidity matched population free of GERD...
2017: PloS One
https://www.readbyqxmd.com/read/28318221/crystal-structure-of-a-homogeneous-igg-fc-glycoform-with-the-n-glycan-designed-to-maximize-the-antibody-dependent-cellular-cytotoxicity
#8
Chia-Lin Chen, Jen-Chi Hsu, Chin-Wei Lin, Chia-Hung Wang, Ming-Hung Tsai, Chung-Yi Wu, Chi-Huey Wong, Che Ma
N-glycosylation on IgG modulates Fc conformation and effector functions. An IgG-Fc contains a human sialo-complex type (hSCT) glycan of biantennary structure with two α2,6-sialylations and without core-fucosylation is an optimized glycoform developed to enhance the antibody dependent cellular cytotoxicity (ADCC). hSCT modification not only enhances the binding affinity to Fc receptors in the presence of antigen, but also in some cases provides gain-of-function effector activity. We used enzymatic glyco-engineering to prepare an IgG-Fc with homogeneous hSCT attached to each CH2 domain, and solved its crystal structure...
March 20, 2017: ACS Chemical Biology
https://www.readbyqxmd.com/read/28303674/simultaneous-recording-of-ultrasound-and-polysomnography-during-natural-sleep-in-patients-with-obstructive-sleep-apnea-a-pilot-study
#9
Jeng-Wen Chen, Chih-Chung Huang, Chi-Kai Weng, Chun-Hsiang Chang, Shou-Jen Wang
Tongue base deformation may play a critical role in the phenomenon of obstructive sleep apnea, but polysomnography provides limited information regarding the effect of tongue motion during natural sleep. We reported on preliminary results of combining a novel ultrasound system and polysomnography for simultaneous recordings during natural sleep in volunteers and patients with obstructive sleep apnea. All participants underwent time-synchronized polysomnography and submental transcutaneous ultrasound examinations...
March 17, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28300060/h3-ubiquitination-by-nedd4-regulates-h3-acetylation-and-tumorigenesis
#10
Xian Zhang, Binkui Li, Abdol Hossein Rezaeian, Xiaohong Xu, Ping-Chieh Chou, Guoxiang Jin, Fei Han, Bo-Syong Pan, Chi-Yun Wang, Jie Long, Anmei Zhang, Chih-Yang Huang, Fuu-Jen Tsai, Chang-Hai Tsai, Christopher Logothetis, Hui-Kuan Lin
Dynamic changes in histone modifications under various physiological cues play important roles in gene transcription and cancer. Identification of new histone marks critical for cancer development is of particular importance. Here we show that, in a glucose-dependent manner, E3 ubiquitin ligase NEDD4 ubiquitinates histone H3 on lysine 23/36/37 residues, which specifically recruits histone acetyltransferase GCN5 for subsequent H3 acetylation. Genome-wide analysis of chromatin immunoprecipitation followed by sequencing reveals that NEDD4 regulates glucose-induced H3 K9 acetylation at transcription starting site and enhancer regions...
March 16, 2017: Nature Communications
https://www.readbyqxmd.com/read/28299476/a-comparison-of-the-molecular-subtypes-of-triple-negative-breast-cancer-among-non-asian-and-taiwanese-women
#11
Ling-Ming Tseng, Jen-Hwey Chiu, Chun-Yu Liu, Yi-Fang Tsai, Yun-Lin Wang, Chu-Wen Yang, Yi-Ming Shyr
BACKGROUND: "Precision medicine" is a concept that by utilizing modern molecular diagnostics, an effective therapy is accurately applied for each cancer patient to improve their survival rates. The treatment of triple-negative breast cancer (TNBC) remains a challenging issue. The aim of this study was to compare the molecular subtypes of triple-negative breast cancer (TNBC) between Taiwanese and Non-Asian women. METHODS: GEO Datasets for non-Asian (12 groups, n = 1450) and Taiwanese (3 groups, n = 465) breast cancer, including 617 TNBC, were acquired, normalized and cluster analyzed...
March 15, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28298189/high-serum-resistin-levels-are-associated-with-peripheral-artery-disease-in-the-hypertensive-patients
#12
Bang-Gee Hsu, Chung-Jen Lee, Chiu-Fen Yang, Yu-Chih Chen, Ji-Hung Wang
BACKGROUND: Hypertension is a risk factor for peripheral arterial disease (PAD). Subjects with PAD are at increased risk of future cardiovascular (CV) events. Resistin is involved in the pathological processes of CV diseases. The aim of this study is to investigate whether resistin level is correlated with PAD in hypertensive patients. METHODS: One hundred and twenty-four hypertensive patients were enrolled in this study. Ankle-brachial index (ABI) values were measured using the automated oscillometric method...
March 15, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28292967/pik3r1-is-required-for-glucocorticoid-induced-perilipin-1-phosphorylation-in-lipid-droplet-for-adipocyte-lipolysis
#13
Taiyi Kuo, Tzu-Chieh Chen, Rebecca A Lee, Nguyen Huynh Thao Nguyen, Augusta E Broughton, Danyun Zhang, Jen-Chywan Wang
Glucocorticoids promote lipolysis in white adipose tissue (WAT) to adapt to energy demands under stress, while superfluous lipolysis causes metabolic disorders, including dyslipidemia and hepatic steatosis. Glucocorticoid-induced lipolysis requires the phosphorylation of cytosolic hormone sensitive lipase (HSL) and perilipin 1 (Plin1) in the lipid droplet by protein kinase A (PKA). We previously identified Pik3r1 (a.k.a. p85α) as a glucocorticoid receptor target gene. Here, we found that glucocorticoids increased HSL phosphorylation, but not Plin1 phosphorylation, in adipose tissue-specific Pik3r1-null (AKO) mice...
March 14, 2017: Diabetes
https://www.readbyqxmd.com/read/28292598/clinical-and-radiographic-characteristics-of-vertical-root-fractures-in-endodontically-and-nonendodontically-treated-teeth
#14
Wan-Chuen Liao, Yi-Ling Tsai, Chen-Ying Wang, Mei-Chi Chang, Wei-Ling Huang, Hsueh-Jen Lin, Hsin-Cheng Liu, Chiu-Po Chan, Shu-Hui Chang, Jiiang-Huei Jeng
INTRODUCTION: A vertical root fracture (VRF) is a root fracture extending along the longitudinal axis of roots and is often noted in endodontically treated teeth. However, the clinical and radiographic characteristics of VRFs are not completely known. METHODS: A total of 65 teeth with 68 vertical fractured roots in 58 Chinese patients were investigated. The clinical examination records and radiographic images were reviewed in detail. RESULTS: A total of 24 male (41...
March 11, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28292438/maoa-dependent-activation-of-shh-il6-rankl-signaling-network-promotes-prostate-cancer-metastasis-by-engaging-tumor-stromal-cell-interactions
#15
Jason Boyang Wu, Lijuan Yin, Changhong Shi, Qinlong Li, Peng Duan, Jen-Ming Huang, Chunyan Liu, Fubo Wang, Michael Lewis, Yang Wang, Tzu-Ping Lin, Chin-Chen Pan, Edwin M Posadas, Haiyen E Zhau, Leland W K Chung
Metastasis is a predominant cause of death for prostate cancer (PCa) patients; however, the underlying mechanisms are poorly understood. We report that monoamine oxidase A (MAOA) is a clinically and functionally important mediator of PCa bone and visceral metastases, activating paracrine Shh signaling in tumor-stromal interactions. MAOA provides tumor cell growth advantages in the bone microenvironment by stimulating interleukin-6 (IL6) release from osteoblasts, and triggers skeletal colonization by activating osteoclastogenesis through osteoblast production of RANKL and IL6...
March 13, 2017: Cancer Cell
https://www.readbyqxmd.com/read/28288679/muscovy-duck-reovirus-%C3%AF-ns-protein-triggers-autophagy-enhancing-virus-replication
#16
Yijian Wu, Longping Cui, Erpeng Zhu, Wuduo Zhou, Quanxi Wang, Xiaoping Wu, Baocheng Wu, Yifan Huang, Hung-Jen Liu
BACKGROUND: Muscovy duck reovirus (MDRV) causes high morbidity and mortality in Muscovy ducklings at 10 days old and can persist in an infected flock until the ducklings of 6 weeks old. It shares common physicochemical properties with avian reovirus (ARV) and differs in coding assignment and pathogenicity. The ARV p17 protein has been shown to trigger autophagy via activation multiple signaling pathways, which benefits virus replication. Since MDRV lacks the p17 protein, whether and how MDRV induces autophagy remains unknown...
March 14, 2017: Virology Journal
https://www.readbyqxmd.com/read/28288438/epidemiology-of-pharmaceutically-treated-depression-and-treatment-resistant-depression-in-taiwan
#17
Daniel Fife, Yu Feng, Michael Yao-Hsien Wang, Chee-Jen Chang, Chia-Yih Liu, Hsiao-Ting Juang, Wesley Furnback, Jaskaran Singh, Bruce Wang
Epidemiologic data on treatment resistant depression (TRD) in Asia-Pacific countries are limited. We estimated the incidence of TRD in Taiwan using a cohort of 704,265 adults randomly sampled from Taiwan's National Health Insurance Research database for 2005. TRD was defined as a patient having pharmaceutically treated depression (PTD) not adequately responding to 2 antidepressant (AD) regimens, i.e., AD regimens that were followed by other AD regimens. Among 2751 PTD subjects, 576 (20.94%, 95% CI: 19.46, 22...
March 6, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28280346/trend-characteristics-and-pharmacotherapy-of-adults-diagnosed-with-attention-deficit-hyperactivity-disorder-a-nationwide-survey-in-taiwan
#18
Yu-Shian Cheng, Yu-Chiau Shyu, Sheng-Yu Lee, Shin-Sheng Yuan, Chun-Ju Yang, Kang-Chung Yang, Tung-Liang Lee, Liang-Jen Wang
OBJECTIVE: Attention-deficit/hyperactivity disorder (ADHD) in adults may result in functional impairment warranting clinical interventions. However, few studies have investigated the diagnosis and treatment rates of adult ADHD in non-Caucasian ethnic groups. This study used nationwide population-based data to investigate the rate of diagnosis, associated characteristics, and pharmacological treatment for adult ADHD in Taiwan. METHODS: Adults (age ≥18 years) newly diagnosed with ADHD (n=5,397) between January 2000 and December 2011 were enrolled from the National Health Insurance database in Taiwan...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28279348/structure-guided-identification-of-a-family-of-dual-receptor-binding-pfemp1-that-is-associated-with-cerebral-malaria
#19
Frank Lennartz, Yvonne Adams, Anja Bengtsson, Rebecca W Olsen, Louise Turner, Nicaise T Ndam, Gertrude Ecklu-Mensah, Azizath Moussiliou, Michael F Ofori, Benoit Gamain, John P Lusingu, Jens E V Petersen, Christian W Wang, Sofia Nunes-Silva, Jakob S Jespersen, Clinton K Y Lau, Thor G Theander, Thomas Lavstsen, Lars Hviid, Matthew K Higgins, Anja T R Jensen
Cerebral malaria is a deadly outcome of infection by Plasmodium falciparum, occurring when parasite-infected erythrocytes accumulate in the brain. These erythrocytes display parasite proteins of the PfEMP1 family that bind various endothelial receptors. Despite the importance of cerebral malaria, a binding phenotype linked to its symptoms has not been identified. Here, we used structural biology to determine how a group of PfEMP1 proteins interacts with intercellular adhesion molecule 1 (ICAM-1), allowing us to predict binders from a specific sequence motif alone...
March 8, 2017: Cell Host & Microbe
https://www.readbyqxmd.com/read/28278298/a-novel-negative-stranded-rna-virus-mediates-sex-ratio-in-its-parasitoid-host
#20
Fei Wang, Qi Fang, Beibei Wang, Zhichao Yan, Jian Hong, Yiming Bao, Jens H Kuhn, John H Werren, Qisheng Song, Gongyin Ye
Parasitoid wasps are important natural enemies of arthropod hosts in natural and agricultural ecosystems and are often associated with viruses or virion-like particles. Here, we report a novel negative-stranded RNA virus from a parasitoid wasp (Pteromalus puparum). The complete viral genome is 12,230 nucleotides in length, containing five non-overlapping, linearly arranged open reading frames. Phylogenetically, the virus clusters with and is a novel member of the mononegaviral family Nyamiviridae, here designated as Pteromalus puparum negative-strand RNA virus 1 (PpNSRV-1)...
March 2017: PLoS Pathogens
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