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https://www.readbyqxmd.com/read/28641368/glomerular-hyperfiltration-in-obese-african-american-hypertensive-patients-is-associated-with-elevated-urinary-mitochondrial-dna-copy-number
#1
Alfonso Eirin, Ahmed Saad, John R Woollard, Luis A Juncos, David A Calhoun, Hui Tang, Amir Lerman, Stephen C Textor, Lilach O Lerman
BACKGROUND: Glomerular hyperfiltration may contribute to the high incidence of renal disease in Obese African Americans essential hypertensive (ObAAEH) patients, but the precise mechanisms responsible for renal injury have not been elucidated. Mitochondria are important determinants of renal injury in hypertension, and increased levels of mitochondrial DNA (mtDNA) in the urine may indicate renal mitochondrial injury. We hypothesized that urine mtDNA copy numbers would be higher in ObAAEH compared to Caucasian essential hypertensive (CEH) patients...
June 14, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28641222/theoretical-evaluation-on-selective-adsorption-characteristics-of-alkali-metal-based-sorbents-for-gaseous-oxidized-mercury
#2
Hongjian Tang, Yufeng Duan, Chun Zhu, Tianyi Cai, Chunfeng Li, Liang Cai
Alkali metal-based sorbents are potential for oxidized mercury (Hg(2+)) selective adsorption but show hardly effect to elemental mercury (Hg(0)) in flue gas. Density functional theory (DFT) was employed to investigate the Hg(0) and HgCl2 adsorption mechanism over alkali metal-based sorbents, including calcium oxide (CaO), magnesium oxide (MgO), potassium chloride (KCl) and sodium chloride (NaCl). Hg(0) was found to weakly interact with CaO (001), MgO (001), KCl (001) and NaCl (001) surfaces while HgCl2 was effectively adsorbed on top-O and top-Cl sites...
June 12, 2017: Chemosphere
https://www.readbyqxmd.com/read/28641207/ros-and-calcium-signaling-mediated-pathways-involved-in-stress-responses-of-the-marine-microalgae-dunaliella-salina-to-enhanced-uv-b-radiation
#3
Xinxin Zhang, Xuexi Tang, Ming Wang, Wei Zhang, Bin Zhou, You Wang
UV-B ray has been addressed to trigger common metabolic responses on marine microalgae, however, the upstream events responsible for these changes in marine microalgae are poorly understood. In the present study, a species of marine green microalgae Dunaliella salina was exposed to a series of enhanced UV-B radiation ranging from 0.25 to 1.00 KJ·m(-2) per day. The role of ROS and calcium signaling in the D. salina responses to UV-B was discussed. Results showed that enhanced UV-B radiation markedly decreased the cell density in a dose-dependent manner, but the contents of protein and glycerol that were essential for cell growth increased...
May 28, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28640688/unintentional-poisoning-in-china-1990-to-2015-the-global-burden-of-disease-study-2015
#4
Yumeng Tang, Lan Zhang, Jingju Pan, Qingjun Zhang, Tianjing He, Zeni Wu, Jian Zhan, Qian Li
OBJECTIVES: To estimate the unintentional poisoning burden and risk factors in China from 1990 to 2015. METHODS: We extracted data from the Global Burden of Disease Study 2015 to compare mortality, prevalence, disability-adjusted life years (DALYs), years of life lost, years lived with a disability, and risk factors of unintentional poisoning in China. We determined the median of the percent change and 95% uncertainty interval for the period between 1990 and 2015...
June 22, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28640642/epidemiological-characteristics-of-hyperhomocysteinemia-and-h-type-hypertension-in-the-elderly-in-beijing-china
#5
Lina Ma, Li Li, Zhe Tang
Hyperhomocysteinemia (HHcy) is an important risk factor for atherosclerosis-related diseases, and H-type hypertension (HHT) is becoming a major health-care concern in China. We assessed the prevalence of HHcy and HHT in the elderly in a retrospective study based on data obtained from the Beijing Longitudinal Study of Aging. This cross-sectional study comprised 1460 people in the general population (638 males and 822 females) aged ≥60 years dwelling in an urban district, a suburb, and an outer suburb of Beijing in 2012...
June 22, 2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28640637/designing-transmitter-ligands-that-mediate-energy-transfer-between-semiconductor-nanocrystals-and-molecules
#6
Zhiyuan Huang, Ming Lee Tang
Molecular control of energy transfer is an attractive proposition because it allows chemists to synthetically tweak various kinetic and thermodynamic factors. In this Perspective, we examine energy transfer between semiconductor nano-crystals (NCs) and π-conjugated molecules, focusing on the transmitter ligand at the organic-inorganic interface. Efficient transfer of triplet excitons across this interface allows photons to be directed for effective use of the entire solar spectrum. For example, a photon upconversion system composed of semiconductor NCs as sensitizers, bound organic ligands as transmitters, and molecular annihilators has the advantage of large, tunable absorption cross-sections across the visible and near infrared wavelengths...
June 22, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28640611/lattice-hydride-mechanism-in-electrocatalytic-co2%C3%A2-reduction-by-structurally-precise-copper-hydride-nanoclusters
#7
Qing Tang, Yongjin Lee, Dai-Ying Li, Woojun Choi, C W Liu, Dongil Lee, De-En Jiang
Copper electrocatalysts can reduce CO2 to hydrocarbons at high overpotentials. However, mechanistic understanding of CO2 reduction on nanostructured Cu catalysts has been lacking. Herein we show that the structurally precise ligand-protected Cu-hydride nanoclusters, such as Cu32H20L12 (L is a dithiophosphate ligand), offer unique selectivity for electrocatalytic CO2 reduction at low overpotentials. Our density functional theory (DFT) calculations predict that the presence of the negatively charged hydrides in the copper cluster plays a critical role in determining the selectivity of the reduction product, yielding HCOOH over CO with a lower overpotential...
June 22, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28637286/structure-seq2-sensitive-and-accurate-genome-wide-profiling-of-rna-structure-in-vivo
#8
Laura E Ritchey, Zhao Su, Yin Tang, David C Tack, Sarah M Assmann, Philip C Bevilacqua
RNA serves many functions in biology such as splicing, temperature sensing, and innate immunity. These functions are often determined by the structure of RNA. There is thus a pressing need to understand RNA structure and how it changes during diverse biological processes both in vivo and genome-wide. Here, we present Structure-seq2, which provides nucleotide-resolution RNA structural information in vivo and genome-wide. This optimized version of our original Structure-seq method increases sensitivity by at least 4-fold and improves data quality by minimizing formation of a deleterious by-product, reducing ligation bias, and improving read coverage...
June 16, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28637269/announcing-the-genome-atlas-of-bamboo-and-rattan-gabr-project-promoting-research-in-evolution-and-in-economically-and-ecologically-beneficial-plants
#9
Hansheng Zhao, Shancen Zhao, Benhua Fei, Huan Liu, Huanming Yang, Honghai Dai, Dan Wang, Wei Jin, Feng Tang, Qiang Gao, Hang Xun, Yuwei Wang, Lianghua Qi, Xianghua Yue, Shuyan Lin, Lianfeng Gu, Lubin Li, Tiansheng Zhu, Qiang Wei, Zhen Su, Tarmeze Bin Wan Ariffin Wan, Daniel A Ofori, George Mbeva Muthike, Yigardu Mulatu Mengesha, Roberto Magno de Castro E Silva, Antonio Ludovico Beraldo, Zhimin Gao, Xin Liu, Zehui Jiang
Bamboo and rattan are widely grown for manufacturing, horticulture, and agroforestry. Bamboo and rattan production might help reduce poverty, boost economic growth, mitigate climate change, and protect the natural environment. Despite progress in research, sufficient molecular and genomic resources to study these species are lacking. We launched the Genome Atlas of Bamboo and Rattan (GABR) project, a comprehensive, coordinated international effort to accelerate understanding of BR genetics through genome analysis...
June 16, 2017: GigaScience
https://www.readbyqxmd.com/read/28637244/elevated-homocysteine-increases-the-risk-of-left-atrial-left-atrial-appendage-thrombus-in-non-valvular-atrial-fibrillation-with-low-cha2ds2-vasc-score
#10
Yan Yao, Mei-Sheng Shang, Li-Jian Gao, Jing-Hua Zhao, Xiao-Hui Yang, Tong Liu, Ri-Bo Tang, Chen-Xi Jiang, De-Yong Long, Man Ning, Hui Zhu, Qiang Lv, Rong Hu, Xin Du, Jian-Zeng Dong
Aims: To assess the association and the predictive value of plasma homocysteine (Hcy) levels with LA/LAA thrombus in non-valvular Atrial fibrillation (AF) patients with low CHA2DS2-VASc score. Methods and results: Eight hundred and eighty-eight consecutive patients in non-valvular AF with CHA2DS2-VASc score of 0 and 1 were enrolled. All patients routinely underwent transthoracic echocardiography and transoesophageal echocardiography. A total of thirty-two patients had LA/LAA thrombus...
June 16, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28637219/preventing-occupational-injury-among-police-officers-does-motivation-matter
#11
D K C Chan, D Webb, R M Ryan, T C W Tang, S X Yang, N Ntoumanis, M S Hagger
Background: Injury prevention is an important issue for police officers, but the effectiveness of prevention initiatives is dependent on officers' motivation toward, and adherence to, recommended health and safety guidelines. Aims: To understand effects of police officers' motivation to prevent occupational injury on beliefs about safety and adherence to injury prevention behaviours. Methods: Full-time police officers completed a survey comprising validated psychometric scales to assess autonomous, controlled and amotivated forms of motivation (Treatment Self-Regulation Questionnaire), behavioural adherence (Self-reported Treatment Adherence Scale) and beliefs (Safety Attitude Questionnaire) with respect to injury prevention behaviours...
June 20, 2017: Occupational Medicine
https://www.readbyqxmd.com/read/28637132/international-employee-perspectives-on-disability-management
#12
Shannon Wagner, Nicholas Buys, Ignatius Yu, Thomas Geisen, Henry Harder, Christine Randall, Alex Fraess-Phillips, Benedikt Hassler, Liz Scott, Karen Lo, Dan Tang, Caroline Howe
PURPOSE: To provide an international analysis of employees' views of the influence of disability management (DM) on the workplace. METHODOLOGY: An international research team with representation from Australia, Canada, China, and Switzerland collected survey data from employees in public and private companies in their respective regions. Due to lack of availability of current measures, a research team-created survey was used and a total of 1201 respondents were collected across the four countries...
February 7, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28637063/exploring-diagnostic-and-therapeutic-implications-of-endoscopic-mucosal-resection-in-eus-staged-t2-esophageal-adenocarcinoma
#13
Annieke W Gotink, Manon C W Spaander, Michael Doukas, Thjon J Tang, Paul Didden, Bas P L Wijnhoven, Marco J Bruno, Arjun D Koch
Background and study aims Treatment strategies for clinical (c)T2N0M0 esophageal adenocarcinoma (EAC) are subject to debate owing to the relative inaccuracy of tumor staging by endoscopic ultrasound (EUS), with profound implications in overstaged patients. We aimed to evaluate the final histological diagnosis of patients initially staged as having a cT2 tumor by EUS, and to assess the value of endoscopic reassessment by an interventional endoscopist, followed by an endoscopic resection when deemed feasible...
June 21, 2017: Endoscopy
https://www.readbyqxmd.com/read/28636996/increased-p16-and-p53-protein-expression-predicts-poor-prognosis-in-mucosal-melanoma
#14
Hanbin Chen, Yangyang Li, Yin Long, Erjiang Tang, Rongrong Wang, Kate Huang, Congying Xie, Guorong Chen
Primary mucosal melanoma (MM) is a rare, and aggressive, neoplasm with a poor prognosis. To date, few prognostic markers of MM have been well-defined. The aim of this study is to clarify the prognostic value of p53 and p16 proteins in predicting the clinical outcome of Chinese patients with MM.A total of 59 MM samples were contained from biopsy specimens, and, expressions of p53 and p16 proteins were assessed by immunohistochemistry. Cox regression analysis was performed to investigate the association of these proteins with the overall survival of MM patients...
June 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636976/improving-soil-nutrient-availability-increases-carbon-rhizodeposition-under-maize-and-soybean-in-mollisols
#15
Yunfa Qiao, Shujie Miao, Xiaozeng Han, Shuping Yue, Caixian Tang
Rhizodeposited carbon (C) is an important source of soil organic C, and plays an important role in the C cycle in the soil-plant-atmosphere continuum. However, interactive effects of plant species and soil nutrient availability on C rhizodeposition remain unclear. This experiment examined the effect of soil nutrient availability on C rhizodeposition of C4 maize and C3 soybean with contrasting photosynthetic capacity. The soils (Mollisols) were collected from three treatments of no fertilizer (Control), inorganic fertilizer only (NPK), and NPK plus organic manure (NPKM) in a 24-year fertilization field trial...
June 18, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28636949/cloning-expression-and-nutritional-regulation-of-the-glutamine-synthetase-gene-in-ctenopharyngodon-idellus
#16
Rong Hu, Fufa Qu, Jianzhou Tang, Qiong Zhao, Jinpeng Yan, Zhigang Zhou, Yi Zhou, Zhen Liu
Glutamine synthetase (GS) is considered a master enzyme that catalyses ATP-dependent biosynthesis of glutamine from glutamate. In the present study, the GS gene was cloned from the intestine of grass carp, (Ctenopharyngodon idellus). The full-length cDNA sequence of GS encodes a 371-amino-acid polypetide. Phylogenetic analysis of the C. idellus GS sequence reveals common carp (Cyprinus carpio) as its closest neighbor. GS mRNA was differentially expressed in different tissues, with high to low gradient expression the intestine, brain, muscle, heart, gill, liver, pituitary gland, and spleen...
June 18, 2017: Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology
https://www.readbyqxmd.com/read/28636945/pkn1-directs-polarized-rab21-vesicle-trafficking-via-rph3a-and-is-important-for-neutrophil-adhesion-and-ischemia-reperfusion-injury
#17
Qianying Yuan, Chunguang Ren, Wenwen Xu, Björn Petri, Jiasheng Zhang, Yong Zhang, Paul Kubes, Dianqing Wu, Wenwen Tang
Polarized vesicle transport plays an important role in cell polarization, but the mechanisms underlying this process and its role in innate immune responses are not well understood. Here, we describe a phosphorylation-regulated polarization mechanism that is important for neutrophil adhesion to endothelial cells during inflammatory responses. We show that the protein kinase PKN1 phosphorylates RPH3A, which enhances binding of RPH3A to guanosine triphosphate (GTP)-bound RAB21. These interactions are important for polarized localization of RAB21 and RPH3A in neutrophils, which leads to PIP5K1C90 polarization...
June 20, 2017: Cell Reports
https://www.readbyqxmd.com/read/28636934/the-tmao-producing-enzyme-flavin-containing-monooxygenase-3-regulates-obesity-and-the-beiging-of-white-adipose-tissue
#18
Rebecca C Schugar, Diana M Shih, Manya Warrier, Robert N Helsley, Amy Burrows, Daniel Ferguson, Amanda L Brown, Anthony D Gromovsky, Markus Heine, Arunachal Chatterjee, Lin Li, Xinmin S Li, Zeneng Wang, Belinda Willard, YongHong Meng, Hanjun Kim, Nam Che, Calvin Pan, Richard G Lee, Rosanne M Crooke, Mark J Graham, Richard E Morton, Carl D Langefeld, Swapan K Das, Lawrence L Rudel, Nizar Zein, Arthur J McCullough, Srinivasan Dasarathy, W H Wilson Tang, Bernadette O Erokwu, Chris A Flask, Markku Laakso, Mete Civelek, Sathyamangla V Naga Prasad, Joerg Heeren, Aldons J Lusis, Stanley L Hazen, J Mark Brown
Emerging evidence suggests that microbes resident in the human intestine represent a key environmental factor contributing to obesity-associated disorders. Here, we demonstrate that the gut microbiota-initiated trimethylamine N-oxide (TMAO)-generating pathway is linked to obesity and energy metabolism. In multiple clinical cohorts, systemic levels of TMAO were observed to strongly associate with type 2 diabetes. In addition, circulating TMAO levels were associated with obesity traits in the different inbred strains represented in the Hybrid Mouse Diversity Panel...
June 20, 2017: Cell Reports
https://www.readbyqxmd.com/read/28636881/mitochondrial-genome-of-helice-tientsinensis-brachyura-grapsoidea-varunidae-gene-rearrangements-and-higher-level-phylogeny-of-the-brachyura
#19
Zhao-Zhe Xin, Yu-Liu, Dai-Zhen Zhang, Zheng-Fei Wang, Hua-Bin Zhang, Bo-Ping Tang, Chun-Lin Zhou, Xin-Yue Chai, Qiu-Ning Liu
The mitochondrial genome (mt genome) provides important information for understanding molecular evolution and phylogeny. The further understand the molecular evolution and phylogeny of Helice tientsinensis, the complete mt genome was determined. It is 16,212bp long and includes 13 protein-coding genes (PCGs), 22 tRNA genes, two rRNA genes and a control region. The genome composition of H. tientsinensis was highly A+T biased 69.0% and showed negative AT skew (-0.017) and GC skew (-0.289). One PCG, all rRNAs and 12 of the tRNAs appeared to be rearranged with respect to the pancrustacean ground pattern gene order...
June 18, 2017: Gene
https://www.readbyqxmd.com/read/28636878/lycium-barbarum-polysaccharide-alleviates-nonylphenol-exposure-induced-testicular-injury-in-juvenile-zebrafish
#20
Ze-Yong Tang, Dong Sun, Chun-Wei Qian, Qi Chen, Shun-Shan Duan, Sheng-Yun Sun
Nonylphenol is an endocrine disrupting chemicals that can disrupt the organisms' reproductive system, and exists widely in rivers and lakes. Lycium barbarum polysaccharide (LBP) is the main active constituent (about 10%) in Lycium barbarum, which is used to protect reproductive health. In this study, we investigated whether LBP can alleviate nonylphenol exposure induced testicular injury in juvenile zebrafish. We detected histological alteration, anti-oxidant enzyme profile and P450 gene transcription to assess LBP effect on testicular development...
June 18, 2017: International Journal of Biological Macromolecules
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