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https://www.readbyqxmd.com/read/28812245/association-of-elements-with-schizophrenia-and-intervention-of-selenium-supplements
#1
Zhe Li, Yumei Liu, Xia Li, Wen Ju, Guanrui Wu, Xiaomei Yang, Xiaofeng Fu, Xibao Gao
The purpose of this study is to explore more trace elements (zinc, potassium, copper, iron, boron, manganese, selenium, chromium and cadmium elements) in addition to calcium, magnesium, lead and arsenic in the sera of patients with schizophrenia and the general population in China and to determine the effect of selenium on schizophrenia patients. Participants were collected from the Pingyin County Mental Health Hospital and Pingyin County. A t test was used to analyse the differences between schizophrenia patients and healthy subjects, and element content differences in gender...
August 15, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28811897/impact-of-in-vitro-chemosensitivity-test-guided-platinum-based-adjuvant-chemotherapy-on-the-surgical-outcomes-of-patients-with-p-stage-iiia-non-small-cell-lung-cancer-that-underwent-complete-resection
#2
Yuki Akazawa, Masahiko Higashiyama, Kazumi Nishino, Jyunji Uchida, Toru Kumagai, Takako Inoue, Ayako Fujiwara, Toshiteru Tokunaga, Jiro Okami, Fumio Imamura, Ken Kodama, Hisayuki Kobayashi
The impact of in vitro chemosensitivity test-guided platinum-based adjuvant chemotherapy on the surgical outcomes of patients undergoing complete resection for locally advanced non-small cell lung cancer (NSCLC) has yet to be elucidated. In the present study, the utility of adjuvant chemotherapy based on the collagen gel droplet embedded culture drug sensitivity test (CD-DST) in patients with p (pathology)-stage IIIA NSCLC was retrospectively analyzed. A series of 39 patients that had received platinum-based adjuvant chemotherapy following complete resection between 2007 and 2012 were enrolled...
September 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28810601/comparative-study-of-dendritic-cells-matured-by-using-il-1%C3%AE-il-6-tnf-%C3%AE-and-prostaglandins-e2-for-different-time-span
#3
Xuejie Wu, Feng Xu, Jinliang Liu, Guiqiang Wang
Interleukin (IL)-1β, IL-6, tumor necrosis factor (TNF)-α and prostaglandins E2 is considered as the standard cocktail for maturing dendritic cells (DCs). However, the appropriate time span for DC maturation with the standard cocktail remains unclear. The present study aimed to compare the differences between DCs matured with the standard cocktail for 24 and 48 h, respectively, and determine whether 24-h stimulation was sufficient for DC maturation. The findings demonstrated that, compared with DCs matured for 48 h, the levels of cluster of differentiation (CD)80, CD83, CD86 and programmed death-ligand 1 expression in DCs matured for 24 h were relatively lower...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28809447/pulmonary-delivery-of-tea-tree-oil-%C3%AE-cyclodextrin-inclusion-complexes-for-the-treatment-of-fungal-and-bacterial-pneumonia
#4
Miao Li, Lifei Zhu, Tongtong Zhang, Boming Liu, Lina Du, Yiguang Jin
OBJECTIVES: Bacterial pneumonia is a common cause of death worldwide. Tea tree oil (TTO) is a potent antimicrobial natural product, which is formulated in dry powder inhalers (DPIs) for the treatment of fungal and bacterial pneumonia. METHODS: Tea tree oil-β-cyclodextrin inclusion complexes (TTO-β-CD) were prepared and characterized. Aerodynamic properties of TTO-β-CD powders were measured. The rat models of fungal (Candida albicans) and bacterial (Acinetobacter baumannii) pneumonia were prepared...
August 15, 2017: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/28809388/dramatic-increase-in-incidence-of-ulcerative-colitis-and-crohn-s-disease-1988-2011-a-population-based-study-of-french-adolescents
#5
Silvia Ghione, Hélène Sarter, Mathurin Fumery, Laura Armengol-Debeir, Guillaume Savoye, Delphine Ley, Claire Spyckerelle, Benjamin Pariente, Laurent Peyrin-Biroulet, Dominique Turck, Corinne Gower-Rousseau
OBJECTIVES: Few data are available to describe the changes in incidence of pediatric-onset inflammatory bowel disease (IBD). The aim of this study was to describe changes in incidence and phenotypic presentation of pediatric-onset IBD in northern France during a 24-year period. METHODS: Pediatric-onset IBD (<17 years) was issued from a population-based IBD study in France between 1988 and 2011. Age groups and digestive location were defined according to the Paris classification...
August 15, 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/28808483/therapeutic-immune-monitoring-of-cd4-cd25-t-cells-in-chronic-myeloid-leukemia-patients-treated-with-tyrosine-kinase-inhibitors
#6
Ziyuan Lu, Na Xu, Xuan Zhou, Guanlun Gao, Lin Li, Jixian Huang, Yuling Li, Qisi Lu, Bolin He, Chengyun Pan, Xiaoli Liu
Tyrosine kinase inhibitors (TKIs), including imatinib, dasatinib and nilotinib, are effective forms of therapy for various types of solid cancers and Philadelphia chromosome-positive (Ph(+)) chronic myeloid leukemia. A number of TKIs have been known to have strong effects on T cells, particularly cluster of differentiation (CD) 4(+)CD25(+) T cells, also known as regulatory T cells (Tregs). There is currently a deficit in the available clinical data regarding this area of study. In the present study, a total of 108 peripheral blood samples were collected from patients with chronic myeloid leukemia (CML) at diagnosis (n=31), and at 3 and 6 months following treatment with TKI [imatinib (n=12), dasatinib (n=11) and nilotinib groups (n=8)] and healthy controls (n=15)...
August 2017: Oncology Letters
https://www.readbyqxmd.com/read/28808352/the-effect-of-androgen-excess-on-maternal-metabolism-placental-function-and-fetal-growth-in-obese-dams
#7
Romina Fornes, Manuel Maliqueo, Min Hu, Laila Hadi, Juan M Jimenez-Andrade, Kerstin Ebefors, Jenny Nyström, Fernand Labrie, Thomas Jansson, Anna Benrick, Elisabet Stener-Victorin
Pregnant women with polycystic ovary syndrome (PCOS) are often overweight or obese. To study the effects of maternal androgen excess in obese dams on metabolism, placental function and fetal growth, female C57Bl6J mice were fed a control (CD) or a high fat/high sucrose (HF/HS) diet for 4-10 weeks, and then mated. On gestational day (GD) 15.5-17.5, dams were injected with dihydrotestosterone (CD-DHT, HF/HS-DHT) or a vehicle (CD-Veh, HF/HS-Veh). HF/HS dams had higher fat content, both before mating and on GD18...
August 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28807932/reducing-inflammatory-cytokine-production-from-renal-collecting-duct-cells-by-inhibiting-gata2-ameliorates-acute-kidney-injury
#8
Lei Yu, Takashi Moriguchi, Hiroshi Kaneko, Makiko Hayashi, Atsushi Hasegawa, Masahiro Nezu, Hideyuki Saya, Masayuki Yamamoto, Ritsuko Shimizu
Acute kidney injury (AKI) is a leading cause of chronic kidney disease. Proximal tubules are considered to be the primary origin of pathogenic inflammatory cytokines in AKI. However, it remains unclear whether other cell types, including collecting duct (CD) cells, participate in inflammatory processes. The transcription factor GATA2 is specifically expressed in CD cells and maintains their cellular identity. To explore the pathophysiological function of GATA2 in AKI, we generated renal tubular cell-specific Gata2 deletion (G2CKO) mice and examined their susceptibility to ischemia-reperfusion injury (IRI)...
August 14, 2017: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/28806685/ecofriendly-gold-nanoparticles-lysozyme-interaction-thermodynamical-perspectives
#9
Swarup Roy, Shailendra K Saxena, Suryakant Mishra, Priyanka Yogi, P R Sagdeo, Rajesh Kumar
In the featured work interaction between biosynthesized gold nanoparticles (GNP) and lysozyme (Lys) has been studied using multi-spectroscopic approach. A moderate association constant (Kapp) of 2.66×10(4)L/mol has been observed indicative of interactive nature. The binding constant (Kb) was 1.99, 6.30 and 31.6×10(4)L/mol at 291, 298 and 305K respectively and the number of binding sites (n) was found to be approximately one. Estimated values of thermodynamic parameters (Enthalpy change, ΔH=141.99kJ/mol, entropy change, ΔS=570J/mol/K, Gibbs free energy change, ΔG=-27...
August 8, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28805752/assessment-of-typical-heavy-metals-in-human-hair-of-different-age-groups-and-foodstuffs-in-beijing-china
#10
Gang Liang, Ligang Pan, Xinhui Liu
Human hair of different age groups and foodstuff samples were collected in Beijing, China. The concerned metals-Cd, Cr, Pb, As, and Hg-were analyzed, and the metal levels in relation to age, gender, and dietary intake were further assessed. Results showed the highest level of the metals was shown by Pb, with an average concentration of 1.557 ± 0.779 mg/kg, followed by Cr (0.782 ± 0.394), Hg (0.284 ± 0.094), As (0.127 ± 0.078), and Cd (0.071 ± 0.032), following a decreasing order of Pb > Cr > Hg > As > Cd, which were all below the upper limit of normal values in China...
August 14, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28805171/prevalence-and-risk-factors-for-colonization-of-clostridium-difficile-among-adults-living-near-livestock-farms-in-the-netherlands
#11
T P Zomer, E VAN Duijkeren, C C H Wielders, C Veenman, P Hengeveld, W VAN DER Hoek, S C DE Greeff, L A M Smit, D J Heederik, C J Yzermans, E J Kuijper, C B M Maassen
A cross-sectional study was performed among 2494 adults not living or working on a farm to assess prevalence of Clostridium difficile (CD) colonization and risk factors in a livestock dense area. CD prevalence was 1·2%. Twenty-one persons were colonized with a toxigenic strain and nine with a non-toxigenic strain. CD-positive persons did not live closer to livestock farms than individuals negative for CD. Antibiotic exposure in the preceding 3 months was a risk factor for CD colonization (odds ratio 3·70; 95% confidence interval 1·25-10·95)...
August 14, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28804920/thiopurines-prevented-surgical-recurrence-in-patients-with-crohn-s-disease-after-intestinal-resection-strategy-based-on-risk-stratification
#12
Jing Guo, Bai-Li Chen, Zhi-Hui Chen, Xia-Peng Luo, Yun Qiu, Sheng-Hong Zhang, Rui Feng, Yao He, Zhi-Rong Zeng, Xin-Ming Song, Shomron Ben-Horin, Ren Mao, Min-Hu Chen
BACKGROUND: Thiopurines (TPs) are effective in reducing risk of clinical and endoscopic recurrence in postoperative patients with Crohn's disease (CD). However, whether TPs could prevent surgical recurrence (SR) remains unknown. AIM: To explore whether TPs could prevent SR and identify risk factors associated with SR in postoperative CD patients. METHODS: This was a retrospective cohort study of 246 postoperative patients with CD. Cox proportional hazard model was used to identify risk factors for SR...
August 14, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28804468/individual-difference-factors-in-the-learning-and-transfer-of-patterning-discriminations
#13
Elisa Maes, Elias Vanderoost, Rudi D'Hooge, Jan De Houwer, Tom Beckers
In an associative patterning task, some people seem to focus more on learning an overarching rule, whereas others seem to focus on acquiring specific relations between the stimuli and outcomes involved. Building on earlier work, we further investigated which cognitive factors are involved in feature- vs. rule-based learning and generalization. To this end, we measured participants' tendency to generalize according to the rule of opposites after training on negative and positive patterning problems (i.e., A+/B+/AB- and C-/D-/CD+), their tendency to attend to global aspects or local details of stimuli, their systemizing disposition and their score on the Raven intelligence test...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28804437/essential-and-toxic-metals-in-animal-bone-broths
#14
Der-Jen Hsu, Chia-Wei Lee, Wei-Choung Tsai, Yeh-Chung Chien
Background: This investigation examines the extraction of metals from animal bones into broth, and assesses whether bone broths are good sources of essential metals and the risks associated with the consumption of toxic metals. Method:Three sets of controlled experiments were performed to study the factors (cooking time, acidity, bone type and animal species) that influence metal extractions. Three types of animal bone broth-based foods were also tested. Results: Reducing the broth pH from 8.38 to 5.32 significantly (p < 0...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/28802132/importance-of-intra-and-interspecific-plant-interactions-for-the-phytomanagement-of-semiarid-mine-tailings-using-the-tree-species-pinus-halepensis
#15
Duli Martinez-Oró, Isabel Parraga-Aguado, Jose Ignacio Querejeta, Héctor M Conesa
The objective of this work was to evaluate the effects of plant interactions (intra- and interspecific) on the growth and metal(loid) uptake of the tree species Pinus halepensis to determine its suitability for the phytomanagement of semiarid mine tailings. The pioneer tailings colonizer grass Piptatherum miliaceum was selected for assessing interspecific interactions. The experiment was conducted following a pot experimental design employing mine tailings soil. Pots containing single individuals of P. halepensis or P...
August 7, 2017: Chemosphere
https://www.readbyqxmd.com/read/28802129/interactions-of-two-novel-stabilizing-amendments-with-sunflower-plants-grown-in-a-contaminated-soil
#16
Zuzana Michálková, Domingo Martínez-Fernández, Michael Komárek
Several efficient stabilizing amendments have been recently proposed for the remediation of metal(loid)-contaminated soils. However, information on their interactions with plants, which is a crucial factor in soil environments, are still scarce. An amorphous manganese oxide (AMO) synthesized from organic compounds and nano zerovalent iron (nZVI) have been previously tested as promising stabilizing agents usable both for the stabilization of metals and As. Experiments with rhizoboxes were performed in order to evaluate their influence on the mobility of metal(loid)s in the bulk soil and rhizosphere of sunflower (Helianthus annuus L...
August 4, 2017: Chemosphere
https://www.readbyqxmd.com/read/28801768/the-influence-of-particle-size-and-feedstock-of-biochar-on-the-accumulation-of-cd-zn-pb-and-as-by-brassica-chinensis-l
#17
Ruilun Zheng, Cui Li, Guoxin Sun, Zubin Xie, Jie Chen, Juying Wu, Qinghai Wang
Biochar produced from rice straw (RC) and maize stalk (MC) was amended to the heavy metal-contaminated soil to investigate the effects of different biochar feedstock and particle size (fine, moderate, coarse) on the accumulation of Cd, Zn, Pb, and As in Brassica chinensis L. (Chinese cabbage). The concentrations of Cd, Zn, and Pb in shoot were decreased by up to 57, 75, and 63%, respectively, after biochar addition (4%). Only MC decreased As concentration in B. chinensis L. shoots by up to 61%. Biochar treatments significantly decreased NH4NO3-extractable concentrations of Cd, Zn, and Pb in soil by 47-62, 33-66, and 38-71%, respectively, yet increased that of As by up to 147%...
August 11, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28801138/cadmium-exposure-in-newborn-rats-ovary-induces-developmental-disorders-of-primordial-follicles-and-the-differential-expression-of-scf-c-kit-gene
#18
Wenchang Zhang, Tingting Wu, Chenyun Zhang, Lingfeng Luo, Meimei Xie, Huiling Huang
Since the 1990s, the rising problem that gonad reproductive toxicity on adult female after exposing to cadmium (Cd), an environmental endocrine disruptor, has attracted high attention at home and abroad,and was systematically studied. Our research focuses on a further problem is that early cadmium exposure (during birth to before puberty) impact on development and function of ovarian cells and its possible mechanism. Our research focuses on the changes of ovarian cells growth and development after the newborn rat ovaries with cadmium exposure in vitro, and different expression of ovarian cells development-related factors, SCF/c-kit and changes of their DNA methylation status...
August 8, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28800484/characteristics-of-elemental-and-pb-isotopic-compositions-in-aerosols-pm10-2-5-at-the-ieodo-ocean-research-station-in-the-east-china-sea
#19
Sanghee Lee, Changhee Han, Daechol Shin, Soon Do Hur, Seong Joon Jun, Young-Taeg Kim, Do-Seong Byun, Sungmin Hong
A total of 82 aerosol samples (PM10-2.5) were collected from June 18, 2015 to October 1, 2016 at the remote sea site, the Ieodo Ocean Research Station (IORS), in the East China Sea. Samples were analyzed for 10 elements (Al, Fe, Cu, Zn, As, Mo, Cd, Sb, Tl, and Pb) as well as Pb isotopic composition to characterize temporal variations in elemental concentration levels, and to identify the potential source regions of atmospheric pollutants transported over the remote East China Sea. The results showed that the annual average element concentrations were lowest compared to those at different sites in East Asia, suggesting a very clean background area of IORS, with values ranging from 114 ng m(-3) for Al to 0...
August 8, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28800463/combination-of-dexamethasone-and-avastin-%C3%A2-by-supramolecular-hydrogel-attenuates-the-inflammatory-corneal-neovascularization-in-rat-alkali-burn-model
#20
Jinhai Huang, Wenwen Wang, Jing Yu, Xinxin Yu, Qianqian Zheng, Fangli Peng, Zhifen He, Wenguang Zhao, Zhaoliang Zhang, Xingyi Li, Qinmei Wang
Corneal neovascularization (CNV) is one of the leading causes of vision loss and a high-risk factor for transplant rejection. The present study proposed a supramolecular hydrogel comprised of MPEG-PCL micelles and α-cyclodextrin (α-CD) for co-delivery of dexamethasone sodium phosphate (Dexp) and Avastin(®) (Ava), and further evaluated its therapeutic efficacy in rat alkali burn model. A physical mixing of Dexp/Ava, MPEG-PCL micelles, and α-CD aqueous solution leads to a spontaneous formation of the supramolecular hydrogel via a "host-guest" recognition between MPEG and α-CD...
July 25, 2017: Colloids and Surfaces. B, Biointerfaces
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