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https://www.readbyqxmd.com/read/28535669/acute-hepatitis-a-b-and-c-but-not-d-is-still-prevalent-in-mongolia-a-time-trend-analysis
#1
Oidov Baatarkhuu, Hye Won Lee, Jacob George, Dashchirev Munkh-Orshikh, Baasankhuu Enkhtuvshin, Sosorbaram Ariunaa, Mohammed Eslam, Sang Hoon Ahn, Kwang-Hyub Han, Do Young Kim
Background/Aims: Mongolia has one of the highest hepatitis A, C, B and D infection incidences worldwide. We sought to investigate changes in the proportion of acute viral hepatitis types in Mongolia over the last decade. Methods: The cohort comprised 546 consecutive patients clinically diagnosed with acute viral hepatitis from January 2012 to December 2014 in Ulaanbaatar Hospital, Mongolia. A time trend analysis investigating the change in proportion of acute hepatitis A virus, hepatitis C virus (HCV), hepatitis B virus (HBV) and hepatitis delta virus (HDV) infection among the cohort with respect to a previous published study was undertaken...
May 2, 2017: Clinical and Molecular Hepatology
https://www.readbyqxmd.com/read/28535499/the-role-of-5-htr6-in-mossy-fiber-sprouting-activating-fyn-and-p-erk1-2-in-pilocarpine-induced-chronic-epileptic-rats
#2
Wanhui Lin, Wenli Huang, Shenggen Chen, Mingxing Lin, Qingyu Huang, Huapin Huang
OBJECTIVE: Our primary objective is to verify whether 5-HTR6 is involved in the development of mossy fiber sprouting (MFS), and to determine how the progression of MFS is affected by 5-HTR6. METHODS: A total of 90 male adult Sprague-Dawley rats were allocated into either the control group (n=36) or the epileptic group (n=54). Status epilepticus (SE) of rats was induced by the intraperitoneal (i.p.) injection of LiCl-pilocarpine. We conducted our experiments in two stages...
May 25, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28535495/understanding-the-heterogeneity-of-cervical-cancer-screening-non-participants-data-from-a-national-sample-of-british-women
#3
Laura A V Marlow, Amanda J Chorley, Jessica Haddrell, Rebecca Ferrer, Jo Waller
BACKGROUND: Uptake of cervical cancer screening in the United Kingdom (UK) is falling year on year, and a more sophisticated understanding of non-participation may help design interventions to reverse this trend. This study ascertained the prevalence of different non-participant types using the Precaution Adoption Process Model (PAPM). METHODS: Home-based computer-assisted interviews were carried out with 3113 screening-eligible women in Britain. Survey items assessed self-reported screening uptake and intention to attend in future...
May 20, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28535489/large-scale-deposition-of-weathered-oil-in-the-gulf-of-mexico-following-a-deep-water-oil-spill
#4
Isabel C Romero, Gerardo Toro-Farmer, Arne-R Diercks, Patrick Schwing, Frank Muller-Karger, Steven Murawski, David J Hollander
The blowout of the Deepwater Horizon (DWH) drilling rig in 2010 released an unprecedented amount of oil at depth (1,500 m) into the Gulf of Mexico (GoM). Sedimentary geochemical data from an extensive area (∼194,000 km(2)) was used to characterize the amount, chemical signature, distribution, and extent of the DWH oil deposited on the seafloor in 2010-2011 from coastal to deep-sea areas in the GoM. The analysis of numerous hydrocarbon compounds (N = 158) and sediment cores (N = 2,613) suggests that, 1...
May 20, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28535482/multiple-metal-exposures-and-their-correlation-with-monoamine-neurotransmitter-metabolism-in-chinese-electroplating-workers
#5
Lin-Lin Wu, Wei Gong, Si-Peng Shen, Zhong-He Wang, Jia-Xi Yao, Jun Wang, Jing Yu, Rong Gao, Gang Wu
Excessive metal exposure has been recognized as one of the detrimental factors for brain damage. However, the potential adverse effects induced by heavy metals on monoamine neurotransmitter pathways remains poorly understood. Our study aimed to investigate the possible association between metal exposure and neurotransmitter metabolism. By a cross-sectional investigation, 224 electroplating workers and 213 non-electroplating exposure workers were recruited in the exposure and control groups. Metal exposure levels were analyzed using inductively-coupled plasma mass spectrometry and monoamine neurotransmitter pathway metabolites were measured by ultra-performance liquid chromatography tandem mass spectrometry in human urine samples...
April 26, 2017: Chemosphere
https://www.readbyqxmd.com/read/28535459/spectra-structure-correlations-of-saturated-and-unsaturated-medium-chain-fatty-acids-near-infrared-and-anharmonic-dft-study-of-hexanoic-acid-and-sorbic-acid
#6
Justyna Grabska, Krzysztof B Beć, Mika Ishigaki, Marek J Wójcik, Yukihiro Ozaki
Quantum chemical reproduction of entire NIR spectra is a new trend, enabled by contemporary advances in the anharmonic approaches. At the same time, recent increase of the importance of NIR spectroscopy of biological samples raises high demand for gaining deeper understanding of NIR spectra of biomolecules, i.e. fatty acids. In this work we investigate saturated and unsaturated medium-chain fatty acids, hexanoic acid and sorbic acid, in the near-infrared region. By employing fully anharmonic density functional theory (DFT) calculations we reproduce the experimental NIR spectra of these systems, including the highly specific spectral features corresponding to the dimerization of fatty acids...
May 13, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28535435/multi-segmental-thoracic-spine-kinematics-measured-dynamically-in-the-young-and-elderly-during-flexion
#7
Dominika Ignasiak, Andrea Rüeger, Stephen J Ferguson
In contrast to the cervical and lumbar region, the normal kinematics of the thoracic spine have not been thoroughly investigated. The aim of this study was to characterize normal multi-segmental continuous motion of the whole thoracolumbar spine, during a flexion maneuver, in young and elderly subjects. Forty-two healthy volunteers were analyzed: 21 young (age=27.00±3.96) and 21 elderly (age=70.1±3.85). Spinal motion was recorded with a motion-capture system and analyzed using a 3rd order polynomial function to approximate spinal curvature throughout the motion sequence...
May 20, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28535355/effect-of-composition-asymmetry-on-the-phase-separation-and-crystallization-in-double-crystalline-binary-polymer-blends-a-dynamic-monte-carlo-simulation-study
#8
Ashok Kumar Dasmahapatra
Polymer blends offer an exciting material for various potential applications due to their tunable properties by varying constituting components and their relative composition. Our simulation results unravel an intrinsic relationship between crystallization behavior and composition asymmetry. We report simulation results for non-isothermal and isothermal crystallization with weak and strong segregation strength to elucidate the composition dependent crystallization behavior. With increasing composition of low melting B-polymer, macrophase separation temperature changes non-monotonically, which is attributed to the non-monotonic change in diffusivity of both the polymers...
May 23, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28535321/rural-family-medicine-outcomes-at-the-university-of-minnesota-medical-school-duluth
#9
Anna Fuglestad, Jacob Prunuske, Ronald Regal, Courtney Hunter, James Boulger, Amy Prunuske
BACKGROUND AND OBJECTIVES: The University of Minnesota Medical School Duluth (MSD) opened in 1972 with a mission to train physicians serving rural Minnesota, emphasizing family medicine and American Indian (AI) communities. Nationwide there are shortages in family medicine and AI physicians, and MSD is a leader in these outcomes. METHODS: This is a longitudinal, retrospective cohort analysis of 1972-2009 MSD graduates using descriptive statistics and multivariate regression to determine relationships between gender, race, age, and hometown and outcomes of family medicine specialty, rural practice, and rural family medicine practice...
May 2017: Family Medicine
https://www.readbyqxmd.com/read/28535317/fm-map-a-novel-in-training-examination-predicts-success-on-family-medicine-certification-examination
#10
Karl Iglar, Fok-Han Leung, Rahim Moineddin, Jodi Herold
BACKGROUND AND OBJECTIVES: The objective of our study was to assess the correlation between a locally developed In-Training Examination (ITE) and the certification examination in family medicine in Canada. METHODS: The ITE was taken twice yearly, which corresponded for most residents to the fifth, ninth, 17th, and 21st month of training. The results for the ITE were correlated to the CFPC certification examination taken in the 23rd month of residency. RESULTS: The scores on each of the four iterations of the ITE correlated moderately well with performance relating to problem solving skills and knowledge on the certification examination...
May 2017: Family Medicine
https://www.readbyqxmd.com/read/28535290/dietary-quality-and-ovarian-cancer-risk-in-african-american-women
#11
Bo Qin, Patricia G Moorman, Linda E Kelemen, Anthony J Alberg, Jill S Barnholtz-Sloan, Melissa Bondy, Michele L Cote, Ellen Funkhouser, Edward S Peters, Ann G Schwartz, Paul Terry, Joellen M Schildkraut, Elisa V Bandera
This study evaluated 3 index-based dietary patterns-Healthy Eating Index (HEI)-2005, HEI-2010, and Alternate Healthy Eating Index (AHEI)-2010-in relation to ovarian cancer risk in African-American women. The study was conducted among 415 ovarian cancer cases and 629 age- and site-matched controls of African-American descent recruited from the population-based African American Cancer Epidemiology Study. Multivariable unconditional logistic regression models were used to estimate odds ratios and 95% confidence intervals between quartiles of dietary quality indices and ovarian cancer risk, adjusting for potential confounders...
May 23, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28535172/invited-commentary-the-framingham-offspring-study-a-pioneering-investigation-into-familial-aggregation-of-cardiovascular-risk
#12
JoAnn E Manson, Shari S Bassuk
Launched in 1948, the Framingham Heart Study was a seminal prospective cohort study of 5,209 adult residents of Framingham, Massachusetts, that was designed to uncover the determinants and natural history of coronary heart disease. Data from this original cohort established the cardiac threat posed by high blood pressure, high cholesterol, smoking, obesity, physical inactivity, diabetes, and other factors. In the late 1960s, investigators conceived the innovative idea of assembling a second cohort that comprised the adult children of the original study population (and these children's spouses)...
May 23, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28535171/cumulative-lactation-and-onset-of-hypertension-in-african-american-women
#13
Ellen M Chetwynd, Alison M Stuebe, Lynn Rosenberg, Melissa Troester, Diane Rowley, Julie R Palmer
Hypertension affects nearly one of three women and contributes to cardiovascular disease, the leading cause of death in the United States. Breastfeeding leads to metabolic changes that could reduce risks of hypertension. Hypertension disproportionately affects black women, but rates of breastfeeding lag behind the general population. In the Black Women's Health Study (N = 59,001), we conducted a nested case control analysis using unconditional logistic regression to estimate the association between breastfeeding and incident hypertension at ages 40-65 using data collected from 1995 to 2011...
May 23, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28535164/meat-dietary-heme-iron-and-risk-of-type-2-diabetes-the-singapore-chinese-health-study
#14
Mohammad Talaei, Ye-Li Wang, Jian-Min Yuan, An Pan, Woon-Puay Koh
We evaluated the relations of red meat, poultry, fish and shellfish, as well as heme iron intake, with risk of type 2 diabetes (T2D).The Singapore Chinese Health Study is a population-based cohort that recruited 63,257 Chinese adults aged 45-74 years from 1993 to 1998. Usual diet was evaluated by a validated 165-item semi-quantitative food-frequency questionnaire at recruitment. Physician-diagnosed T2D was self-reported during two follow-up interviews in 1999-2004 and 2006-2010. During a mean follow-up of 10...
May 23, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28535130/home-manufacture-of-drugs-an-online-investigation-and-a-toxicological-reality-check-of-online-discussions-on-drug-chemistry
#15
Evelyn Hearne, Emanuele Amorim Alves, Marie Claire Van Hout, Jean-Paul C Grund
Emerging trends in market dynamics and the use of new psychoactive substances are both a public health concern and a complex regulatory issue. One novel area of investigation is the availability of homemade opioids, amphetamines and dissociatives, and the potential fueling of interest in clandestine home manufacture of drugs via the Internet. We illustrate here how online communal folk pharmacology of homemade drugs on drug website forums may actually inform home manufacture practices or contribute to the reduction of harms associated with this practice...
May 23, 2017: Journal of Psychoactive Drugs
https://www.readbyqxmd.com/read/28535119/comparison-of-effectiveness-and-safety-of-treatment-with-apixaban-vs-other-oral-anticoagulants-among-elderly-nonvalvular-atrial-fibrillation-patients
#16
Steven Deitelzweig, Xuemei Luo, Kiran Gupta, Jeffrey Trocio, Jack Mardekian, Tammy Curtice, Melissa Lingohr-Smith, Brandy Menges, Jay Lin
OBJECTIVE: To compare the risk of stroke/systemic embolism (S/SE) and major bleeding (MB) of elderly (≥65 years of age) nonvalvular atrial fibrillation (NVAF) patients initiating apixaban vs. rivaroxaban, dabigatran, or warfarin. METHODS: NVAF patients with Medicare Advantage coverage in the US initiating oral anticoagulants (OACs, index event) were identified from the Humana database (1/1/2013-9/30/2015) and grouped into cohorts depending on OAC initiated. Propensity score matching (PSM), 1:1, was conducted among patients treated with apixaban vs...
May 23, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28534959/microrna-200c-regulates-cisplatin-resistance-by-targeting-zeb2-in-human-gastric-cancer-cells
#17
Tao Jiang, Pengfei Dong, Long Li, Xiao Ma, Pei Xu, He Zhu, Yanqiu Wang, Baotong Yang, Kuangge Liu, Jinwei Liu, Juan Xue, Runzhe Lv, Panke Su, Guoqiang Kong, Yongchao Chang, Chonggao Zhao, Lidong Wang
This study was specifically designed to confirm the hypothesis that microRNA-200c (miR-200c) affects the development of cisplatin (DDP) resistance in human gastric cancer cells by targeting zinc finger E-box binding homeobox 2 (ZEB2). A total of 50 gastric cancer tissues and their corresponding normal adjacent tissue samples were collected. Then, the expression levels of miR-200c and ZEB2 in both gastric cancer specimens and cells were detected using the quantitative real-time reverse transcription-polymerase chain reaction (qRT-PCR) and immunohistochemical methods...
May 22, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28534876/alpine-soil-carbon-is-vulnerable-to-rapid-microbial-decomposition-under-climate-cooling
#18
Linwei Wu, Yunfeng Yang, Shiping Wang, Haowei Yue, Qiaoyan Lin, Yigang Hu, Zhili He, Joy D Van Nostrand, Lauren Hale, Xiangzhen Li, Jack A Gilbert, Jizhong Zhou
As climate cooling is increasingly regarded as important natural variability of long-term global warming trends, there is a resurging interest in understanding its impact on biodiversity and ecosystem functioning. Here, we report a soil transplant experiment from lower to higher elevations in a Tibetan alpine grassland to simulate the impact of cooling on ecosystem community structure and function. Three years of cooling resulted in reduced plant productivity and microbial functional potential (for example, carbon respiration and nutrient cycling)...
May 23, 2017: ISME Journal
https://www.readbyqxmd.com/read/28534771/dynamic-graph-cuts-in-parallel
#19
Miao Yu, Shuhan Shen, Zhanyi Hu
This work aims at bridging the two important trends in efficient graph cuts in the literature, the one is to decompose a graph into several smaller subgraphs to take the advantage of parallel computation, the other is to reuse the solution of the max-flow problem on a residual graph to boost the efficiency on another similar graph. Our proposed parallel dynamic graph cuts algorithm takes the advantages of both, and is extremely efficient for certain dynamically changing MRF models in computer vision. The performance of our proposed algorithm is validated on two typical dynamic graph cuts problems: the foregroundbackground segmentation in video where similar graph cuts problems need to be solved in sequential and GrabCut where graph cuts is used iteratively...
May 16, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28534769/a-systematic-investigation-of-lateral-estimation-using-various-interpolation-approaches-in-conventional-ultrasound-imaging
#20
Zhi Liu, Chengwu Huang, Jianwen Luo
Accurate lateral displacement and strain estimat- ion is critical for some applications of elasticity imaging. Typically, motion estimation in the lateral direction is challenging because of low sampling frequency and lack of phase information in conventional ultrasound imaging. Several approaches have been proposed to improve the performance of lateral estimation, such as lateral interpolation on the RF signals (Interp_RF), lateral interpolation on the cross-correlation function (Interp_CCF) and lateral interpolation on both the RF signals and cross-correlation function (Interp_Both)...
May 17, 2017: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
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