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https://www.readbyqxmd.com/read/28728396/characterization-and-functional-inferences-of-a-genome-wide-dna-methylation-profile-in-the-loin-longissimus-dorsi-muscle-of-swine
#1
Woonsu Kim, Hyesun Park, Kang-Seok Seo, Seongwon Seo
Objective: DNA methylation plays a major role in regulating the expression of genes related to traits of economic interest (e.g., weight gain) in livestock animals. This study characterized and investigated the functional inferences of genome-wide DNA methylome in the loin (longissimus dorsi) muscle (LDM) of swine. Methods: A total of 8.99 Gb methylated DNA immunoprecipitation sequence data were obtained from LDM samples of eight Duroc pigs (four pairs of littermates)...
May 14, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28728394/characterization-of-porcine-cytokine-inducible-sh2-containing-protein-gene-and-its-association-with-piglet-diarrhea-traits
#2
Buyue Niu, Dongchun Guo, Zhiran Liu, Xiaofei Han, Xibiao Wang
Objective: The Cytokine inducible SH2-containing protein (CISH), which might play a role in porcine intestine immune responses, was one of the promising candidate genes for piglet anti-disease traits. An experiment was conducted to characterize the porcine CISH (pCISH) gene and to evaluate its genetic effects on pig anti-disease breeding. Methods: Both RT-PCR and PCR were performed to obtain the sequence of pCISH gene. A pEGFP- C1- CISH vector was constructed and transfected into PK-15 cells to analysis the distribution of pCISH...
May 14, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28728310/the-effect-of-h2-receptor-antagonist-in-acid-inhibition-and-its-clinical-efficacy
#3
REVIEW
Young Kwang Shim, Nayoung Kim
The first histamine H2 receptor antagonists (H2RAs) were developed in the early 1970s. They played a dominant role in treating peptic ulcer disease and gastroesophageal reflux disease (GERD). H2RAs block the production of acid by H(+), K(+)-ATPase at the parietal cells and produce gastric luminal anacidity for varying periods. H2RAs are highly selective, and they do not affect H1 receptors. Moreover, they are not anticholinergic agents. Sequential development of H2RAs, proton pump inhibitors (PPIs), and discovery of Helicobacter pylori infection changed the paradigm of peptic ulcer disease with marked decrease of morbidity and mortality...
July 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28728308/methane-uptake-in-global-forest-and-grassland-soils-from-1981-to-2010
#4
Lijun Yu, Yao Huang, Wen Zhang, Tingting Li, Wenjuan Sun
Methane (CH4) is one of the most potent greenhouse gases. Although forest and grassland soils generally consume atmospheric CH4, the quantities and spatiotemporal changes in CH4 uptake remain largely uncertain for these ecosystems at the global scale. In this study, we developed an empirical model to estimate the CH4 uptake in global forest and grassland soils during the period 1981-2010. We estimated that the mean values of CH4 uptake were 9.16 (± 3.84) Tg yr(-1) in forest soils and 3.73 (± 1.41) Tg yr(-1) in grassland soils during the study period...
July 16, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28728303/-enhancing-soft-tissue-reattachment-with-artificial-mesh-in-joint-endoprosthetic-reconstruction-for-bone-tumors
#5
J S Lin, R Chen, W Yan, D D Chen
Objective: To investigate the operative method and clinical application of the BARD(®) Mesh in enhancing joint stability and function of endoprosthetic reconstruction for bone tumors. Methods: From Jan 2013 to Jun 2015, the clinical data of 51 patients aged (44.75±23.18) years underwent wide resection of tumor and endoprosthetic reconstruction using the BARD(®) Mesh were collected. Among them, 27 were male and 24 were female. The surgical treatments received by these patients included 5 shoulder arthroplasties, 12 elbow replacements, 12 hip replacements and 32 knee replacements (including 24 femoral tumors and 8 tibial tumors)...
July 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28728298/-the-prognostic-analysis-of-hepatocellular-carcinoma-based-on-the-tumor-neo-vessels-macrophages-and-%C3%AE-sma-in-tumor-microenvironment
#6
M Fang, J P Yuan, L L Liu, G P Cheng, H J Ying, Y M Chen, M Chen
Objective: To analyze the quantitative expression and prognostic significance of tumor neo-vessels, macrophages and fibroblasts in tumor microenvironment of hepatocellular carcinoma (HCC). Methods: The clinic-pathological features and tissue samples for 101 HCC cases were collected. Immunohistochemistry was used to stain the tumor neo-vessels, macrophages and fibroblasts on tumor tissue. The distribution results and quantitative data of above key components were acquired by inverted microscopy equipped with CRi Nuance multispectral analysis system...
July 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28728251/-progress-of-dopamine-in-obstructive-sleep-apnea-hypopnea-syndrome
#7
Z Y Song, H L Yi
The etiology and pathogenesis of sleep obstructive apnea hypopnea syndrome (OSAHS) is not yet definitive, evidence shows that the dysfunction of pharyngeal nerve and the atonia of the muscle innervated by these nerve could play an important role in the progress of OSAHS. Dopamine is a neurotransmitter in the central nervous system which significantly affects the sleep-awake regulation. So far mounting evidence shows that dopamine has a potential role in the modulation of hypoglossal nucleus. The progress of dopamine in obstructive sleep apnea hypopnea syndrome is reviewed in this article...
July 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28728224/-antagonism-of-lovastatin-on-oxidative-stress-and-apoptosis-in-primary-rat-hippocampal-neurons-induced-by-%C3%AE-amyloid-peptide
#8
L C Tan, L Zhao, X H Liu, C M Deng, Z Z Guan
Objective: To investigate the effect of lovastatin on oxidative stress and apoptosis in neurons induced by β-amyloid peptide (Aβ). Methods: Primary culture of rat hippocampal neuron was treated with Aβ oligomers alone or combined with lovastatin. The levels of OH(-), H(2)O(2), O(2)·(-), malondialdehyde, superoxide dismutase (SOD) and glutathione peroxidase (GSH-PX) activities were measured by biochemical methods and protein expression of caspase-3 and bcl-2 was detected by Western blot. Results: As compared with the control group, treatment of 0...
July 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28728199/-polypharmacy-solutions-for-enhanced-drug-safety
#9
Olaf Krause, Gesine Picksak, Ulrike Junius-Walker
Polypharmacy (≥ 5 drugs) is common among older people and may lead to falls, ADEs and delirium. Adherence is an important part in the medication management. Simple questions (i. e. for OTC, handling and omission of drugs) are effective. As most old people are treated by general practitioners (GP), they play a key role for drug safety and reducing polypharmacy. The involvement of pharmacists in analyzing one patient's drugs can enhance solutions for drug problems ("two-man rule"). An IT-based medication plan acts as an important communication tool for an enhanced team work between doctors, pharmacists and nursing care...
July 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28728153/genetic-variants-of-cytochrome-cyp2d6-in-two-mixed-chilean-populations
#10
Mónica Acuña, Eric Pinto, Paulina Olivares, Carolina Ríos
OBJECTIVES: It is known that the interindividual and interethnic variability of the genetic polymorphisms of CYP2D6 plays an important role in the presentation of adverse drug reactions and concerning lack of therapeutic effects in humans. However, there are few data available from mixed populations of Latin America, including the Chilean. The aim of this study was therefore to estimate the frequencies of CYP2D6 variants in two samples of hospitals from the northern (Hospital San José, HSJ) and eastern (Clínica Las Condes, CLC) parts of Santiago, Chile, with different degrees of Amerindian admixture (HSJ: 34...
July 21, 2017: Human Heredity
https://www.readbyqxmd.com/read/28728141/estimates-of-soil-ingestion-in-a-population-of-chinese-children
#11
Chunye Lin, Beibei Wang, Xiaoyong Cui, Dongqun Xu, Hongguang Cheng, Qin Wang, Jin Ma, Tuanyao Chai, Xiaoli Duan, Xitao Liu, Junwei Ma, Xuan Zhang, Yanzhong Liu
BACKGROUND: China's soil pollution poses serious health risks. However, data regarding the soil ingestion rate (SIR) of the Chinese population, which is critical to assessing associated health risks, are lacking. OBJECTIVES: We estimated soil ingestion of 177 Chinese children from Guangdong, Hubei, and Gansu Provinces. METHODS: We conducted this investigation by employing a tracer mass-balance method. We collected a duplicate of all food consumed and all feces and urine excreted on 1 d () and over 3 consecutive d (), as well as soil samples from play areas and drinking-water samples...
July 5, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28728118/threatening-events-theme-of-cognitive-biases-mediates-the-relationship-between-fear-of-social-situations-and-delusion-like-experiences-among-healthy-adults
#12
Katarzyna Prochwicz, Joanna Kłosowska, Milena Karpowska
Social anxiety (SA) is frequently observed among patients diagnosed with psychosis as well as among individuals with delusion-like experiences (DLEs). A heightened level of SA has been recognized to precede the development of psychotic symptoms; however, the detailed mechanisms that link SA to delusional ideation remain unrecognized. Since social anxiety is associated with the presence of cognitive biases and biased cognitive processes have been found to play a role in the development and maintenance of delusions, we hypothesized that cognitive biases may mediate in the relationship between social anxiety and DLEs...
July 5, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28728036/the-relationship-between-brain-volumes-and-intelligence-in-bipolar-disorder
#13
Annabel Vreeker, Lucija Abramovic, Marco P M Boks, Sanne Verkooijen, Annet H van Bergen, Roel A Ophoff, René S Kahn, Neeltje E M van Haren
OBJECTIVES: Bipolar disorder type-I (BD-I) patients show a lower Intelligence Quotient (IQ) and smaller brain volumes as compared with healthy controls. Considering that in healthy individuals lower IQ is related to smaller total brain volume, it is of interest to investigate whether IQ deficits in BD-I patients are related to smaller brain volumes and to what extent smaller brain volumes can explain differences between premorbid IQ estimates and IQ after a diagnosis of BD-I. METHODS: Magnetic resonance imaging brain scans, IQ and premorbid IQ scores were obtained from 195 BDI patients and 160 controls...
July 6, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28728029/peroxidase-mimetic-activity-of-fe3o4-nanoparticle-prepared-based-on-magnetic-hydrogels-for-hydrogen-peroxide-and-glucose-detection
#14
Shasha Song, Yang Liu, Aixin Song, Zengdian Zhao, Hongsheng Lu, Jingcheng Hao
Stimuli-response magnetic hydrogels were prepared in the mixtures of magnetic surfactants, (CnTAFB(C), n=12, 14, 16), and chiral amphiphiles, sodium cholate (SC). The gelation behavior of CnTAFB(C)/SC were studied in detail. The results proved that the hydrophobicity of surfactants and the hydration radius (Rh) of anions played a vital role in the gelation process. The microstructure of the hydrogels were determined to be three-dimensional network of fibrous aggregates. The formation of the hydrogel fibrils was considered to be mainly driven by a delicate balance of multiple non-covalent interactions including hydrophobic interaction, electrostatic interaction, hydrogen bonding, van der Waals force, and the steric effect of SC molecule...
July 10, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28728020/neuroscience-inspired-artificial-intelligence
#15
REVIEW
Demis Hassabis, Dharshan Kumaran, Christopher Summerfield, Matthew Botvinick
The fields of neuroscience and artificial intelligence (AI) have a long and intertwined history. In more recent times, however, communication and collaboration between the two fields has become less commonplace. In this article, we argue that better understanding biological brains could play a vital role in building intelligent machines. We survey historical interactions between the AI and neuroscience fields and emphasize current advances in AI that have been inspired by the study of neural computation in humans and other animals...
July 19, 2017: Neuron
https://www.readbyqxmd.com/read/28728002/development-of-an-integrated-generic-model-for-multi-scale-assessment-of-the-impacts-of-agro-ecosystems-on-major-ecosystem-services-in-west-africa
#16
Mahamadou Belem, Mehdi Saqalli
This paper presents an integrated model assessing the impacts of climate change, agro-ecosystem and demographic transition patterns on major ecosystem services in West-Africa along a partial overview of economic aspects (poverty reduction, food self-sufficiency and income generation). The model is based on an agent-based model associated with a soil model and multi-scale spatial model. The resulting Model for West-Africa Agro-Ecosystem Integrated Assessment (MOWASIA) is ecologically generic, meaning it is designed for all sudano-sahelian environments but may then be used as an experimentation facility for testing different scenarios combining ecological and socioeconomic dimensions...
July 17, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28727982/genome-wide-dna-methylation-profile-of-prepubertal-porcine-testis
#17
Xi Chen, Liu-Hong Shen, Li-Xuan Gui, Fang Yang, Jie Li, Sui-Zhong Cao, Zhi-Cai Zuo, Xiao-Ping Ma, Jun-Liang Deng, Zhi-Hua Ren, Zhong-Xu Chen, Shu-Min Yu
The biological structure and function of the mammalian testis undergo important developmental changes during prepuberty and DNA methylation is dynamically regulated during testis development. In this study, we generated the first genome-wide DNA methylation profile of prepubertal porcine testis using methyl-DNA immunoprecipitation (MeDIP) combined with high-throughput sequencing (MeDIP-seq). Over 190 million high-quality reads were generated, containing 43642 CpG islands. There was an overall downtrend of methylation during development, which was clear in promoter regions but less so in gene-body regions...
July 21, 2017: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/28727937/preoperative-short-form-health-survey-score-is-predictive-of-return-to-play-and-minimal-clinically-important-difference-at-a-minimum-2-year-follow-up-after-anterior-cruciate-ligament-reconstruction
#18
Benedict U Nwachukwu, Brenda Chang, Pramod B Voleti, Patricia Berkanish, Matthew R Cohn, David W Altchek, Answorth A Allen, Riley J Williams
BACKGROUND: There is increased interest in understanding the preoperative determinants of postoperative outcomes. Return to play (RTP) and the patient-reported minimal clinically important difference (MCID) are useful measures of postoperative outcomes after anterior cruciate ligament reconstruction (ACLR). PURPOSE: To define the MCID after ACLR and to investigate the role of preoperative outcome scores for predicting the MCID and RTP after ACLR. STUDY DESIGN: Case-control study; Level of evidence, 3...
July 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28727932/laboratory-studies-of-methane-and-its-relationship-to-prebiotic-chemistry
#19
Kensei Kobayashi, Wolf D Geppert, Nathalie Carrasco, Nils G Holm, Olivier Mousis, Maria Elisabetta Palumbo, J Hunter Waite, Naoki Watanabe, Lucy M Ziurys
To examine how prebiotic chemical evolution took place on Earth prior to the emergence of life, laboratory experiments have been conducted since the 1950s. Methane has been one of the key molecules in these investigations. In earlier studies, strongly reducing gas mixtures containing methane and ammonia were used to simulate possible reactions in the primitive atmosphere of Earth, producing amino acids and other organic compounds. Since Earth's early atmosphere is now considered to be less reducing, the contribution of extraterrestrial organics to chemical evolution has taken on an important role...
July 20, 2017: Astrobiology
https://www.readbyqxmd.com/read/28727928/vascular-senescence-and-ageing-a-role-for-the-meox-proteins-in-promoting-endothelial-dysfunction
#20
Josette Northcott, Michael Paul Czubryt, Jeffrey T Wigle
In the vascular system, ageing is accompanied by the accrual of senescent cells and is associated with an increased risk of vascular disease. Endothelial cell (EC) dysfunction is a hallmark of vascular disease and is characterized by decreased angiogenic potential, reduced nitric oxide bioavailability, impaired vasodilation, increased production of ROS and enhanced inflammation. In ECs, the major producer of nitric oxide is the endothelial nitric oxide synthase (eNOS) enzyme that is encoded by the NOS3 gene...
July 20, 2017: Canadian Journal of Physiology and Pharmacology
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