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https://www.readbyqxmd.com/read/28441052/effects-of-hyaluronan-alone-or-in-combination-with-chondroitin-sulfate-and-n-acetyl-d-glucosamine-on-lipopolysaccharide-challenge-exposed-equine-fibroblast-like-synovial-cells
#1
Allison H Kilborne, Hayam Hussein, Alicia L Bertone
OBJECTIVE To investigate effects of hyaluronic acid (HA) or HA combined with chondroitin sulfate (CS) and N-acetyl-d-glucosamine (NAG) by use of a lipopolysaccharide (LPS) in vitro method. SAMPLE Monolayer cultures of synovial cells from 4 adult horses. PROCEDURES Synovial cell cultures were untreated or treated with HA alone or HA-CS-NAG for 24 hours, subsequently unchallenged or challenge-exposed with 2 LPS concentrations (20 and 50 ng/mL) for 2 hours, and retreated with HA or HA-CS-NAG for another 24 hours...
May 2017: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/28439668/urinary-podocalyxin-as-a-possible-novel-marker-of-intrauterine-nephrogenesis-and-extrauterine-podocyte-injury
#2
Taihei Hayashi, Shuko Tokuriki, Takashi Okuno, Genrei Ohta, Aiko Igarashi, Yusei Ohshima
BACKGROUND: The number of nephrons at birth is determined during fetal development and is modulated thereafter by postnatal podocyte injury. Hyperfiltration, caused by a reduced number of nephrons, is a risk factor for chronic kidney disease. It is therefore important to monitor the formation of nephrons. METHODS: Urine samples were collected from infants within 1-2 days of birth, with follow-up sampling for preterm infants at 37-39 weeks of corrected age. Urinary levels of podocalyxin (PCX), β2-microglobulin (β2MG), N-acetyl-ß-D-glucosaminidase (NAG), total protein (TP), microalbumin (mAlb) and creatinine were measured and the relationship between these markers evaluated...
April 25, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28433680/organocatalyzed-and-mechanochemical-solvent-free-synthesis-of-novel-and-functionalized-bis-biphenyl-substituted-thiazolidinones-as-potent-tyrosinase-inhibitors-sar-and-molecular-modeling-studies
#3
Sadaf Mutahir, Muhammad Asim Khan, Islam Ullah Khan, Muhammad Yar, Muhammad Ashraf, Sidra Tariq, Ren-Long Ye, Bao-Jing Zhou
Eluding the involvement of solvents in organic synthesis and introducing environment friendly procedures can control environmental problems. A facile and an efficient solvent free mechanochemical method (grinding) is achieved to synthesize novel bis-biphenyl substituted thiazolidinones using non-toxic and cheap N-acetyl glycine (NAG). Organocatalytic condensation of a series of Schiff's bases bearing different substituents with thioglycolic acid produces a variety of thiazolidinones derivatives in good to excellent yield...
April 13, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28431022/cpp1-phosphatase-mediated-signaling-crosstalk-between-hog1-and-cek1-mitogen-activated-protein-kinases-is-involved-in-the-phenotypic-transition-in-candida-albicans
#4
Fu-Sheng Deng, Ching-Hsuan Lin
Cellular signaling pathways involved in cell growth and differentiation mediated by mitogen-activated protein kinase (MAPK) cascades have been well characterized in fungi. However, the mechanisms of signaling crosstalk between MAPKs to ensure signaling specificity are largely unknown. Previous work showed that activation of the Candida albicans Cek1 MAPK pathway resulted in opaque cell formation and filamentation, which mirrored the phenotypes to hog1Δ. Additionally, deleting the HOG1 gene stimulated Cek1p...
April 20, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/28426738/is-antiplatelet-treatment-effective-at-attenuating-the-progression-of-white-matter-hyperintensities
#5
Cindy W Yoon, Yoonjae Choi, Seun Jeon, Dae Hyung Lee, Byung-Nam Yoon, Hee-Kwon Park, Joung-Ho Rha
OBJECTIVE: We performed this study to assess the effect of an antiplatelet agent on the progression of white matter hyperintensities (WMH). METHODS: From August 2003 to May 2005, we consecutively enrolled patients who underwent brain magnetic resonance imaging (MRI) for health check-up purposes and showed no significant findings other than WMH of any degree. Patients were divided into two groups based on whether or not they received antiplatelet therapy. All patients had a follow-up brain MRI after 5 years and WMH volume change was measured using imaging analysis software...
2017: PloS One
https://www.readbyqxmd.com/read/28419542/effect-of-nanosilver-on-metabolism-in-rainbow-trout-oncorhynchus-mykiss-an-investigation-using-different-respirometric-approaches
#6
Laura Murray, Michael D Rennie, Jon C Svendsen, Eva C Enders
Nanosilver (nAg) has been incorporated into many consumer products for its antimicrobial properties, including clothing and washing machines. Consequently, the potential for its release into aquatic environments is of significant concern. Documented toxic effects on fish include altered gene expression, gill damage, impaired gas exchange, as well as mortality at high nAg concentrations. This study reports the effects of nAg on the metabolism of Rainbow Trout (Oncorhynchus mykiss). Fish were exposed to environmentally-relevant concentrations (0...
April 17, 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/28418856/low-density-lipoprotein-receptor-related-protein-6-is-a-novel-coreceptor-of-protease-activated-receptor-2-in-the-dynamics-of-cancer-associated-%C3%AE-catenin-stabilization
#7
Jeetendra Kumar Nag, Arun Kancharla, Myriam Maoz, Hagit Turm, Daniel Agranovich, Chhedi Lal Gupta, Beatrice Uziely, Rachel Bar-Shavit
Protease-activated receptor-2 (PAR2) plays a central role in cancer; however, the molecular machinery of PAR2-instigated tumors remains to be elucidated. We show that PAR2 is a potent inducer of β-catenin stabilization, a core process in cancer biology, leading to its transcriptional activity. Novel association of low-density lipoprotein-related protein 6 (LRP6), a known coreceptor of Frizzleds (Fz), with PAR2 takes place following PAR2 activation. The association between PAR2 and LRP6 was demonstrated employing co-immunoprecipitation, bioluminescence resonance energy transfer (BRET), and confocal microscopy analysis...
March 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28407309/cadmium-exposure-and-osteoporosis-a-population-based-study-and-benchmark-dose-estimation-in-southern-china
#8
Lv Yingjian, Wang Ping, Huang Rui, Liang Xuxia, Wang Peng, Tan Jianbin, Chen Zihui, Dun Zhongjun, Wang Jing, Jiang Qi, Wu Shixuan, Ling Haituan, Li Zhixue, Yang Xinfen
This study aimed to assess the association between osteoporosis and long-term environmental Cd exposure through diet in southern China. A total of 1116 subjects from a Cd-polluted area and a non-Cd-polluted area were investigated. All subjects met the criteria of having been living in the investigated area for more than 15 years and lived on a subsistence diet of rice and vegetables grown in that area. Besides bone mineral density, the levels of urinary markers of early renal impairment, such as urinary N-acetyl-β-D-glucosaminidase (NAG), α1 -microglobulin, β2 -microglobulin, and urinary albumin, were also determined...
April 13, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28405988/a-study-of-salt-and-fat-consumption-pattern-in-regional-indian-diet-among-hypertensive-and-dyslipidemic-patients-script-study
#9
Dayanand Kumbla, Mala Dharmalingam, Kalpesh Dalvi, Saumitra Ray, Mahesh K Shah, Sanjay Gupta, S Sadhanandham, A K Ajmani, Sanjay Nag, Srinivas Murthy, Mohana Murugan, Abhijit Trailokya, Tushar Fegade
BACKGROUND: Cardiovascular diseases are leading cause of mortality and morbidity. There is an increasing prevalence of hypertension and dyslipidemia due to globalization and adoption of westernized dietary habits in India. These transitions are manifest in dietary patterns and health outcomes. OBJECTIVE: To study the dietary salt and fat intake among patients diagnosed with hypertension and dyslipidemia in India. METHODS: SCRIPT study was a pilot exploratory, cross-sectional, observational, descriptive, multi-center study...
December 2016: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28402796/insights-into-the-phylogeny-of-northern-hemisphere-armillaria-neighbor-net-and-bayesian-analyses-of-translation-elongation-factor-1-%C3%AE-gene-sequences
#10
Ned B Klopfenstein, Jane E Stewart, Yuko Ota, John W Hanna, Bryce A Richardson, Amy L Ross-Davis, Rubén D Elías-Román, Kari Korhonen, Nenad Keča, Eugenia Iturritxa, Dionicio Alvarado-Rosales, Halvor Solheim, Nicholas J Brazee, Piotr Łakomy, Michelle R Cleary, Eri Hasegawa, Taisei Kikuchi, Fortunato Garza-Ocañas, Panaghiotis Tsopelas, Daniel Rigling, Simone Prospero, Tetyana Tsykun, Jean A Bérubé, Franck O P Stefani, Saeideh Jafarpour, Vladimír Antonín, Michal Tomšovský, Geral I McDonald, Stephen Woodward, Mee-Sook Kim
Armillaria possesses several intriguing characteristics that have inspired wide interest in understanding phylogenetic relationships within and among species of this genus. Nuclear ribosomal DNA sequence-based analyses of Armillaria provide only limited information for phylogenetic studies among widely divergent taxa. More recent studies have shown that translation elongation factor 1-α (tef1) sequences are highly informative for phylogenetic analysis of Armillaria species within diverse global regions. This study used Neighbor-net and coalescence-based Bayesian analyses to examine phylogenetic relationships of newly determined and existing tef1 sequences derived from diverse Armillaria species from across the Northern Hemisphere, with Southern Hemisphere Armillaria species included for reference...
2017: Mycologia
https://www.readbyqxmd.com/read/28398581/agricultural-landscape-and-pesticide-effects-on-honey-bee-hymenoptera-apidae-biological-traits
#11
Mohamed Alburaki, Sandra J Steckel, Matthew T Williams, John A Skinner, David R Tarpy, William G Meikle, John Adamczyk, Scott D Stewart
Sixteen honey bee (Apis mellifera L.) colonies were placed in four different agricultural landscapes to study the effects of agricultural landscape and exposure to pesticides on honey bee health. Colonies were located in three different agricultural areas with varying levels of agricultural intensity (AG areas) and one nonagricultural area (NAG area). Colonies were monitored for their performance and productivity for one year by measuring colony weight changes, brood production, and colony thermoregulation...
April 8, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28392382/angiogenenic-effects-of-bplec-a-c-type-lectin-isolated-from-bothrops-pauloensis-snake-venom
#12
Letícia Eulalio Castanheira, Daiana Silva Lopes, Sarah Natalie Cirilo Gimenes, Simone Ramos Deconte, Bruno Antônio Ferreira, Patricia Terra Alves, Luiz Ricardo Goulart Filho, Tatiana Carla Tomiosso, Renata Santos Rodrigues, Kelly Aparecida Geraldo Yoneyama, Fernanda de Assis Araújo, Veridiana de Melo Rodrigues
The present work reports the effects of a C-type lectin (BpLec) isolated from Bothrops pauloensis snake venom upon in vitro and in vivo angiogenesis models. Initially, we noted that BpLec was not cytotoxic to endothelial cells (tEnd) in doses up to 40μg/mL, but lower doses (2.5μg/mL, 5μg/mL, 10μg/mL and 20μg/mL) reduced tEnd cells adhesion to some extracellular matrix proteins and inhibited the in vitro vessel formation in Matrigel assay stimulated by bFGF. β-galactosides (d-lactose, N-acetyl-d-galactosamine and d-galactose) at 400mM reversed the effect of BpLec on tEnd cells adhesion, whereas d-galactose (400mM) partially reversed BpLec property of inhibiting vessel formation by tEnd cells in Matrigel...
April 6, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28390977/helicobacter-pylori-genotypes-determine-risk-of-non-cardia-gastric-cancer-and-intestinal-or-diffuse-type-gc-in-ardabil-a-very-high-risk-area-in-northwestern-iran
#13
Esmat Abdi, Saeid Latifi-Navid, Saber Zahri, Abbas Yazdanbod, Reza Safaralizadeh
Frequency of the Helicobacter pylori vacA gene polymorphism and its association with gastric cancer (GC) was assessed in Ardabil, a very high-risk area in Northwestern Iran. We determined the presence of the H. pylori 16S rDNA gene and the vacA s-, m-, i-, and d-region genotypes in DNA from fresh gastric biopsies. Patients with GC were classified based on both the anatomic site and the histopathologic type of tumor Of 135 patients, including 57 with non-atrophic gastritis (NAG) and 78 with GC, 103 were infected by H...
April 5, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28382432/reliability-improvement-for-predicting-acid-forming-potential-of-rock-samples-using-static-tests
#14
Chamteut Oh, Sangwoo Ji, Chul-Min Chon, Giljae Yim, Youngwook Cheong
In predicting the acid-forming potential of rock samples, a combination of acid-base accounting (ABA) and net acid generation (NAG) tests has been commonly used. While simple and economical, this method sometimes shows low reliability such as categorizing certain samples as uncertain (UC). ABA and NAG tests were modified to selectively recover valid minerals in nature and substituted for the original tests. ABA test overestimated acid-producing capacity (in the case of weathered samples) and acid-neutralizing capacity (in the case of plagioclase-including samples) compared to the modified ABA test...
May 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28381738/a-new-missense-mutation-in-the-paired-domain-of-the-mouse-pax3-gene
#15
Tamio Ohno, Tomoki Maegawa, Hiroto Katoh, Yuki Miyasaka, Miyako Suzuki, Misato Kobayashi, Fumihiko Horio
Mice with dominant white spotting occurred spontaneously in the C3.NSY-(D11Mit74-D11Mit229) strain. Linkage analysis indicated that the locus for white spotting was located in the vicinity of the Pax3 gene on chromosome 1. Crosses of white-spotted mice showed that homozygosity for the mutation caused tail and limb abnormalities and embryonic lethality as a result of exencephaly; these phenotypes were analogous to those found in other Pax3 mutants. Sequence analysis identified a missense point mutation (c.101G>A) in exon 2 of Pax3 that resulted in a methionine to isoleucine conversion at amino acid 62 of the PAX3 protein...
April 6, 2017: Experimental Animals
https://www.readbyqxmd.com/read/28380198/performance-of-urinary-kidney-injury-molecule-1-neutrophil-gelatinase-associated-lipocalin-and-n-acetyl-%C3%AE-d-glucosaminidase-to-predict-chronic-kidney-disease-progression-and-adverse-outcomes
#16
G R Lobato, M R Lobato, F S Thomé, F V Veronese
Urinary biomarkers can predict the progression of chronic kidney disease (CKD). In this study, kidney injury molecule-1 (KIM-1), neutrophil gelatinase-associated lipocalin (NGAL), and N-acetyl-β-D-glucosaminidase (NAG) were correlated with the stages of CKD, and the association of these biomarkers with CKD progression and adverse outcomes was determined. A total of 250 patients, including 111 on hemodialysis, were studied. Urinary KIM-1, NGAL, and NAG were measured at baseline. Patients not on dialysis at baseline who progressed to a worse CKD stage were compared with those who did not progress...
March 30, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28371757/environmental-exposure-to-low-doses-of-ionizing-radiation-effects-on-early-nephrotoxicity-in-mice
#17
Montserrat Bellés, Sergio Gonzalo, Noemí Serra, Roser Esplugas, Meritxell Arenas, José Luis Domingo, Victoria Linares
Nuclear accidents of tremendous magnitude, such as those of Chernobyl (1986) and Fukushima (2011), mean that individuals living in the contaminated areas are potentially exposed to ionizing radiation (IR). However, the dose-response relationship for effects of low doses of radiation is not still established. The present study was aimed at investigating in mice the early effects of low-dose internal radiation exposure on the kidney. Adult male (C57BL/6J) mice were divided into three groups. Two groups received a single subcutaneous (s...
March 31, 2017: Environmental Research
https://www.readbyqxmd.com/read/28368692/the-ability-of-consortium-wastewater-protozoan-and-bacterial-species-to-remove-cod-in-the-presence-of-nanomaterials-under-varying-ph-conditions
#18
Anza-Vhudziki Mboyi, Ilunga Kamika, Maggy Momba
The aim of this study was to ascertain the survival limit and capability of commonly found wastewater protozoan (Aspidisca sp, Trachelophyllum sp and Peranema sp) and bacterial (Bacillus licheniformis, Brevibacillus laterosporus and Pseudomonas putida) species to remove COD while exposed to commercial nanomaterials under varying pH conditions. The experimental study was carried out in modified mixed liquor media adjusted to various pH levels (pH 2, 7 and 10) and a comparative study was performed to determine the difference between the cytotoxicity effects of commercial zinc oxide (nZnO) and silver (nAg) nanomaterials (NMs) on the target wastewater microbial communities using standard methods...
April 3, 2017: Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
https://www.readbyqxmd.com/read/28358412/anticarcinogenic-effects-of-water-extract-of-sporoderm-broken-spores-of-ganoderma-lucidum-on-colorectal-cancer-in-vitro-and-in-vivo
#19
Kun Na, Kang Li, Tingting Sang, Kaikai Wu, Ying Wang, Xingya Wang
Ganoderma lucidum (G. lucidum) polysaccharides (GLPs) have been used as traditional Chinese medicine for cancer prevention for many years. However, the mechanism by which GLP exerts its chemopreventive activities remains elusive. In addition, it is unclear whether sporoderm-broken spores of G. lucidum water extract (BSGLWE), which contains mainly GLPs, has anticancer effects on colorectal cancer. The present study investigated the anticancer effects and potential mechanisms of BSGLWE on colorectal cancer in vivo and in vitro...
March 29, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28357869/role-of-nanostructuring-and-microstructuring-in-silver-antimony-telluride-compounds-for-thermoelectric-applications
#20
Oana Cojocaru-Mirédin, Lamya Abdellaoui, Michael Nagli, Siyuan Zhang, Yuan Yu, Christina Scheu, Dierk Raabe, Matthias Wuttig, Yaron Amouyal
Thermoelectric (TE) materials are of utmost significance for conversion of heat flux into electrical power in the low-power regime. Their conversion efficiency depends strongly on the microstructure. AgSbTe2-based compounds are high-efficiency TE materials suitable for the mid-temperature range. Herein, we explore an Ag16.7Sb30Te53.3 alloy (at %) subjected to heat treatments at 380 °C for different durations aimed at nucleation and coarsening of Sb2Te3-precipitates. To characterize the Sb2Te3-precipitation, we use a set of methods combining thermal and electrical measurements in concert with transmission electron microscopy and atom probe tomography...
April 19, 2017: ACS Applied Materials & Interfaces
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