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https://www.readbyqxmd.com/read/28109096/-vildagliptin-suppresses-temporal-lobe-epilepsy-by-up-regulating-glucagon-like-peptide-1
#1
Yue-Tao Wen, Kun-Lun Wu, Quan-Hong Shi
OBJECTIVE: To investigate the effect of vildagliptin on pentamethazol (PTZ)-induced epilepsy in rats and explore the molecular mechanism. METHODS: Samples of temporal cortex from 23 patients with temporal lobe epilepsy were collected as epilepsy group and samples of temporal cortex from 14 patients with brain trauma were used as control group. Ninety male SD rats were randomly divided into control group (group A), PTZ-induced epilepsy group (group B), saline 2 mL/kg group (group C), vildagliptin 2...
January 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28108227/cerebral-blood-flow-autoregulation-is-impaired-in-schizophrenia-a-pilot-study
#2
Hsiao-Lun Ku, Jiunn-Kae Wang, Hsin-Chien Lee, Timothy Joseph Lane, I-Chao Liu, Yung-Chan Chen, Yao-Tung Lee, I-Cheng Lin, Chia-Pei Lin, Chaur-Jong Hu, Nai-Fang Chi
Patients with schizophrenia have a higher risk of cardiovascular diseases and higher mortality from them than does the general population; however, the underlying mechanism remains unclear. Impaired cerebral autoregulation is associated with cerebrovascular diseases and their mortality. Increased or decreased cerebral blood flow in different brain regions has been reported in patients with schizophrenia, which implies impaired cerebral autoregulation. This study investigated the cerebral autoregulation in 21 patients with schizophrenia and 23 age- and sex-matched healthy controls...
January 17, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28107864/evaluating-the-safety-of-forsythin-from-forsythia-suspensa-leaves-by-acute-and-sub-chronic-oral-administration-in-rodent-models
#3
Zhong Han, Xia-Ling Lei, Hong Zhang, Lu Liu, Zhi-Sen Chen, Wei Yang, Zhao-Rong Lun
OBJECTIVE: To access the toxicity of forsythin from Forsythia suspensa leaves and evaluate its safety. METHODS: Acute toxicity was determined by oral administration of a single dose of 18100 mg/kg forsythin in NIH mice. Sub-chronic toxicity was evaluated by oral administration of several doses of forsythin for 30 days at does of 0, 540, 1620, and 6480 mg/kg in SD rats. RESULTS: In the acute toxicity study, mortality was not observed after 14 days...
January 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28106945/all-vacuum-deposited-stoichiometrically-balanced-inorganic-cesium-lead-halide-perovskite-solar-cells-with-stabilized-efficiency-exceeding-11
#4
Chien-Yu Chen, Hung-Yu Lin, Kai-Ming Chiang, Wei-Lun Tsai, Yu-Ching Huang, Cheng-Si Tsao, Hao-Wu Lin
Vacuum-sublimed inorganic cesium lead halide perovskite thin films are prepared and integrated in all-vacuum-deposited solar cells. Special care is taken to determine the stoichiometric balance of the sublimation precursors, which has great influence on the device performance. The mixed halide devices exhibit exceptional stabilized power conversion efficiency (11.8%) and promising thermal and long-term stabilities.
January 20, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28104006/-discussion-on-the-species-and-naming-of-medical-bamboo-slips-unearthed-from-han-tomb-in-laoguanshan
#5
J M Li, Y L Ren, Y T Wang, T Xie, Y Ye
920 pieces of bamboo slip, including broken bamboo slips, found in Laoguanshan Han tomb, are placed in two locations. In one of the location, 736 pieces, except 20 pieces of " chi jian" , of medical bamboo slips are stored. The Chengdu Municipal Institute of Archaeology and Cultural Relics Protection Center of Jingzhou preliminary sorted out these pieces and tentatively give them the names: Wu se mai zang lun, Bi xi yi lun, Mai si hou, Liu shi bing fang, Bing yuan lun, Zhu bing zheng hou, Jing mai shu, Gui mai shu...
September 28, 2016: Zhonghua Yi Shi za Zhi, Chinese Journal of Medical History
https://www.readbyqxmd.com/read/28099915/liquid-biopsy-genotyping-in-lung-cancer-ready-for-clinical-utility
#6
Wei-Lun Huang, Yi-Lin Chen, Szu-Chun Yang, Chung-Liang Ho, Fang Wei, David T Wong, Wu-Chou Su, Chien-Chung Lin
Liquid biopsy is a blood test that detects evidence of cancer cells or tumor DNA in the circulation. Despite complicated collection methods and the requirement for technique-dependent platforms, it has generated substantial interest due, in part, to its potential to detect driver oncogenes such as epidermal growth factor receptor (EGFR) mutants in lung cancer. This technology is advancing rapidly and is being incorporated into numerous EGFR tyrosine kinase inhibitor (EGFR-TKI) development programs. It appears ready for integration into clinical care...
January 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28098136/exome-and-genome-sequencing-of-nasopharynx-cancer-identifies-nf-%C3%AE%C2%BAb-pathway-activating-mutations
#7
Yvonne Y Li, Grace T Y Chung, Vivian W Y Lui, Ka-Fai To, Brigette B Y Ma, Chit Chow, John K S Woo, Kevin Y Yip, Jeongsun Seo, Edwin P Hui, Michael K F Mak, Maria Rusan, Nicole G Chau, Yvonne Y Y Or, Marcus H N Law, Peggy P Y Law, Zoey W Y Liu, Hoi-Lam Ngan, Pok-Man Hau, Krista R Verhoeft, Peony H Y Poon, Seong-Keun Yoo, Jong-Yeon Shin, Sau-Dan Lee, Samantha W M Lun, Lin Jia, Anthony W H Chan, Jason Y K Chan, Paul B S Lai, Choi-Yi Fung, Suet-Ting Hung, Lin Wang, Ann Margaret V Chang, Simion I Chiosea, Matthew L Hedberg, Sai-Wah Tsao, Andrew C van Hasselt, Anthony T C Chan, Jennifer R Grandis, Peter S Hammerman, Kwok-Wai Lo
Nasopharyngeal carcinoma (NPC) is an aggressive head and neck cancer characterized by Epstein-Barr virus (EBV) infection and dense lymphocyte infiltration. The scarcity of NPC genomic data hinders the understanding of NPC biology, disease progression and rational therapy design. Here we performed whole-exome sequencing (WES) on 111 micro-dissected EBV-positive NPCs, with 15 cases subjected to further whole-genome sequencing (WGS), to determine its mutational landscape. We identified enrichment for genomic aberrations of multiple negative regulators of the NF-κB pathway, including CYLD, TRAF3, NFKBIA and NLRC5, in a total of 41% of cases...
January 18, 2017: Nature Communications
https://www.readbyqxmd.com/read/28097612/wip1-phosphatase-plays-a-critical-neuroprotective-role-in-brain-injury-induced-by-high-altitude-hypoxic-inflammation
#8
Dahu Li, Lijun Zhang, Xin Huang, Lili Liu, Yunling He, Lun Xu, Yiyao Zhang, Tong Zhao, Liying Wu, Yongqi Zhao, Kuiwu Wu, Yan Wu, Ming Fan, Lingling Zhu
The hypobaric hypoxic environment in high-altitude areas often aggravates the severity of inflammation and induces brain injury as a consequence. However, the critical genes regulating this process remain largely unknown. The phosphatase wild-type p53-induced phosphatase 1 (WIP1) plays important roles in various physiological and pathological processes, including the regulation of inflammation in normoxia, but its functions in hypoxic inflammation-induced brain injury remain unclear. Here, we established a mouse model of this type of injury and found that WIP1 deficiency augmented the release of inflammatory cytokines in the peripheral circulation and brain tissue, increased the numbers of activated microglia/macrophages in the brain, aggravated cerebral histological lesions, and exacerbated the impairment of motor and cognitive abilities...
January 17, 2017: Neuroscience Bulletin
https://www.readbyqxmd.com/read/28094791/weakening-of-annual-temperature-cycle-over-the-tibetan-plateau-since-the-1870s
#9
Jianping Duan, Jan Esper, Ulf Büntgen, Lun Li, Elena Xoplaki, Huan Zhang, Lily Wang, Yongjie Fang, Jürg Luterbacher
The annual cycle of extra-tropical surface air temperature is an important component of the Earth's climate system. Over the past decades, a reduced amplitude of this mode has been observed in some regions. Although attributed to anthropogenic forcing, it remains unclear when dampening of the annual cycle started. Here we use a residual series of tree-ring width and maximum latewood density from the Tibetan Plateau >4,000 m asl to reconstruct changes in temperature seasonality over the past three centuries...
January 17, 2017: Nature Communications
https://www.readbyqxmd.com/read/28094233/association-between-the-mthfr-c677t-polymorphism-blood-folate-and-vitamin-b12-deficiency-and-elevated-serum-total-homocysteine-in-healthy-individuals-in-yunnan-province-china
#10
Juan Ni, Ling Zhang, Tao Zhou, Wei-Jiang Xu, Jing-Lun Xue, Neng Cao, Xu Wang
BACKGROUND: An increased serum total homocysteine (tHcy) concentration is typically associated with genetic defects involved in Hcy metabolism or related nutritional deficiencies. In this study, the combined effects of methylenetetrahydrofolate reductase (MTHFR) C677T polymorphism and folate and vitamin B12 deficiency on serum total Hcy (tHcy) levels were evaluated in a healthy Chinese population in Yunnan Province, China. METHODS: The MTHFR C677T polymorphism was genotyped in 330 volunteers (164 men and 166 women) using polymerase chain reaction-restriction fragment length polymorphism analysis...
January 13, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28094205/legionnaires-disease-at-a-medical-center-in-southern-taiwan
#11
Tzu-Lun Hung, Ming-Chi Li, Li-Rong Wang, Ching-Chuan Liu, Chia-Wen Li, Po-Lin Chen, Ling-Shan Syue, Nan-Yao Lee, Wen-Chien Ko
BACKGROUND/PURPOSE: Legionella pneumophila had been recognized as a pathogen for both healthcare-associated and community-acquired pneumonia. We aimed to evaluate clinical features and outcomes of patients with Legionnaires' disease at a tertiary medical center in southern Taiwan. METHODS: From January 2005 to December 2013, a retrospective study of adult cases of Legionnaires' disease was conducted in a 1200-bed tertiary hospital. Their medical records were reviewed for further evaluation and analysis...
December 18, 2016: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28092656/influence-of-node-abundance-on-signaling-network-state-and-dynamics-analyzed-by-mass-cytometry
#12
Xiao-Kang Lun, Vito R T Zanotelli, James D Wade, Denis Schapiro, Marco Tognetti, Nadine Dobberstein, Bernd Bodenmiller
Signaling networks are key regulators of cellular function. Although the concentrations of signaling proteins are perturbed in disease states, such as cancer, and are modulated by drug therapies, our understanding of how such changes shape the properties of signaling networks is limited. Here we couple mass-cytometry-based single-cell analysis with overexpression of tagged signaling proteins to study the dependence of signaling relationships and dynamics on protein node abundance. Focusing on the epidermal growth factor receptor (EGFR) signaling network in HEK293T cells, we analyze 20 signaling proteins during a 1-h EGF stimulation time course using a panel of 35 antibodies...
January 16, 2017: Nature Biotechnology
https://www.readbyqxmd.com/read/28091620/role-of-molecular-conformations-in-rubrene-polycrystalline-films-growth-from-vacuum-deposition-at-various-substrate-temperatures
#13
Ku-Yen Lin, Yan-Jun Wang, Ko-Lun Chen, Ching-Yuan Ho, Chun-Chuen Yang, Ji-Lin Shen, Kuan-Cheng Chiu
We report on the optical and structural characterization of rubrene polycrystalline films fabricated from vacuum deposition with various substrate temperatures (Tsub). Depending on Tsub, the role of twisted and planar rubrene conformational isomers on the properties of rubrene films is focused. The temperature (T)-dependent inverse optical transmission (IOT) and photoluminescence (PL) spectra were performed on these rubrene films. The origins of these IOT and PL peaks are explained in terms of the features from twisted and planar rubrene molecules and of the band characteristics from rubrene molecular solid films...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28091547/corydalis-edulis-maxim-promotes-insulin-secretion-via-the-activation-of-protein-kinase-cs-pkcs-in-mice-and-pancreatic-%C3%AE-cells
#14
Jiao Zheng, Yunfang Zhao, Qixing Lun, Yuelin Song, Shepo Shi, Xiaopan Gu, Bo Pan, Changhai Qu, Jun Li, Pengfei Tu
Corydalis edulis Maxim., a widely grown plant in China, had been proposed for the treatment for type 2 diabetes mellitus. In this study, we found that C. edulis extract (CE) is protective against diabetes in mice. The treatment of hyperglycemic and hyperlipidemic apolipoprotein E (ApoE)-/- mice with a high dose of CE reduced serum glucose by 28.84% and serum total cholesterol by 17.34% and increased insulin release. We also found that CE significantly enhanced insulin secretion in a glucose-independent manner in hamster pancreatic β cell (HIT-T15)...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28091407/clinical-characteristics-of-patients-with-drug-induced-liver-injury
#15
Li-Xia Yang, Cheng-Yuan Liu, Lun-Li Zhang, Ling-Ling Lai, Ming Fang, Chong Zhang
BACKGROUND: Drug is an important cause of liver injury and accounts for up to 40% of instances of fulminant hepatic failure. Drug-induced liver injury (DILI) is increasing while the diagnosis becomes more difficult. Though many drugs may cause DILI, Chinese herbal medicines have recently emerged as a major cause due to their extensive use in China. We aimed to provide drug safety information to patients and health carers by analyzing the clinical and pathological characteristics of the DILI and the associated drug types...
2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28088868/prognostic-values-of-ki-67-in-neoadjuvant-setting-for-breast-cancer-a-systematic-review-and-meta-analysis
#16
Lun Li, Dongdong Han, Xiaowei Wang, Quan Wang, Jinhui Tian, Jia Yao, Liqin Yuan, Ke Qian, Qiongyan Zou, Wenjun Yi, Enxiang Zhou, Kehu Yang
AIM: To assess the prognostic values of Ki-67 in neoadjuvant setting for breast cancer patients. METHODS: PubMed and EMBASE were searched. Revman software was used to conduct random-effect model meta-analysis. RESULTS: 49 studies (14,076 patients) were included. High Ki-67 before and after neoadjuvant chemotherapy were associated with worse overall survival (OS; before: hazard ratio [HR]: 2.29; 95% CI: 1.42-3.69; after: HR: 2.24; 95% CI: 1...
January 16, 2017: Future Oncology
https://www.readbyqxmd.com/read/28088763/scater-pre-processing-quality-control-normalization-and-visualization-of-single-cell-rna-seq-data-in-r
#17
Davis J McCarthy, Kieran R Campbell, Aaron T L Lun, Quin F Wills
MOTIVATION: Single-cell RNA sequencing (scRNA-seq) is increasingly used to study gene expression at the level of individual cells. However, preparing raw sequence data for further analysis is not a straightforward process. Biases, artifacts and other sources of unwanted variation are present in the data, requiring substantial time and effort to be spent on pre-processing, quality control (QC) and normalization. RESULTS: We have developed the R/Bioconductor package scater to facilitate rigorous pre-processing, quality control, normalization and visualization of scRNA-seq data...
January 14, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28088273/a-real-world-impact-of-cost-effectiveness-of-pegylated-interferon-ribavarin-regimens-on-treatment-na%C3%A3-ve-chronic-hepatitis-c-patients-in-taiwan
#18
Pei-Chien Tsai, Ta-Wei Liu, Meng-Hsuan Hsieh, Ming-Lun Yeh, Po-Cheng Liang, Yi-Hung Lin, Ching-I Huang, Chung-Feng Huang, Ming-Yen Hsieh, Nai-Jen Hou, Zu-Yau Lin, Shinn-Cherng Chen, Jee-Fu Huang, Chia-Yen Dai, Wan-Long Chuang, Ming-Lung Yu
Treatments with pegylated interferon/ribavirin (PEG-IFN/RBV) has been standard-of-care in patients with chronic hepatitis C virus (HCV) (CHC) infection and reimbursed in Taiwan. However, the actual cost-effectiveness remains unclear. We aimed to evaluate a real-world cost-effectiveness for CHC patients treated with PEG-IFN/RBV by using a clinical cohort with linkage to the National Health Insurance Research Database of Taiwan. The total and itemized medical-care expenses of outpatient visits of 117 treatment-naïve CHC patients with linkage to the two million sampling of the National Health Insurance Research Database were collected...
January 2017: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/28086888/non-rigid-mr-trus-image-registration-for-image-guided-prostate-biopsy-using-correlation-ratio-based-mutual-information
#19
Lun Gong, Haifeng Wang, Chengtao Peng, Yakang Dai, Min Ding, Yinghao Sun, Xiaodong Yang, Jian Zheng
BACKGROUND: To improve the accuracy of ultrasound-guided biopsy of the prostate, the non-rigid registration of magnetic resonance (MR) images onto transrectal ultrasound (TRUS) images has gained increasing attention. Mutual information (MI) is a widely used similarity criterion in MR-TRUS image registration. However, the use of MI has been challenged because of intensity distortion, noise and down-sampling. Hence, we need to improve the MI measure to get better registration effect. METHODS: We present a novel two-dimensional non-rigid MR-TRUS registration algorithm that uses correlation ratio-based mutual information (CRMI) as the similarity criterion...
January 10, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28081567/risk-of-rebleeding-and-mortality-in-cirrhotic-patients-with-peptic-ulcer-bleeding-a-12-year-nationwide-cohort-study
#20
Shih-Cheng Yang, Chien-Ning Hsu, Chih-Ming Liang, Wei-Chen Tai, Cheng-Kun Wu, Chih-Wei Shih, Ming-Kun Ku, Lan-Ting Yuan, Jiunn-Wei Wang, Kuo-Lun Tseng, Tsung-Hsing Hung, Seng-Howe Nguang, Pin-I Hsu, Deng-Chyang Wu, Seng-Kee Chuah
Although a few studies have investigated the risks of peptic ulcer bleeding (PUB) in cirrhotic patients, large population-based studies on in-hospital and long-term reports on recurrent PUB in a cohort of cirrhotic patients are lacking. This 12-year nationwide cohort study aimed to investigate the risks of in-hospital and long-term rebleeding and mortality in cirrhotic patients and to identify possible risk factors. Patient data from 1997 to 2008 were extracted from the National Health Insurance Research Database in Taiwan...
2017: PloS One
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