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https://www.readbyqxmd.com/read/28810702/the-nutrient-transceptor-pka-pathway-functions-independently-of-tor-and-responds-to-leucine-and-gcn2-in-a-tor-independent-manner
#1
Michaela Conrad, Harish Nag Kankipati, Marlies Kimpe, Griet Van Zeebroeck, Zhiqiang Zhang, Johan M Thevelein
Two nutrient-controlled signalling pathways, the PKA and TOR pathway, play a major role in nutrient regulation of growth as well as growth-correlated properties in yeast. The relationship between the two pathways is not well understood. We have used Gap1 and Pho84 transceptor-mediated activation of trehalase and phosphorylation of fragmented Sch9 as a read-out for rapid nutrient activation of PKA or TORC1, respectively. We have identified conditions in which L-citrulline-induced activation of Sch9 phosphorylation is compromised, but not activation of trehalase: addition of the TORC1 inhibitor, rapamycin and low levels of L-citrulline...
August 1, 2017: FEMS Yeast Research
https://www.readbyqxmd.com/read/28805000/a-54-year-old-male-with-multiple-intracranial-and-extracranial-masses
#2
Diana Murro Lin, Aidnag Z Diaz, Robert D Aiken, Paolo Gattuso, Sukriti Nag
No abstract text is available yet for this article.
September 2017: Brain Pathology
https://www.readbyqxmd.com/read/28782741/laparoscopic-and-open-transhiatal-oesophagectomy-for-corrosive-stricture-of-the-oesophagus-an-experience
#3
Vaibhav Kumar Varshney, Hirdaya H Nag, B G Vageesh
BACKGROUND: Oesophagectomy for corrosive stricture of the oesophagus (CSE) is rarely performed due to high risk of iatrogenic complications. The aims of this study were to review our experience of transhiatal oesophagectomy (THE) in patients with CSE as well as to compare results of open and laparoscopic methods. MATERIALS AND METHODS: This is a retrospective analysis of prospectively maintained data of patients with CSE who underwent open transhiatal oesophagectomy (OTE) or laparoscopic-assisted transhiatal oesophagectomy (LATE) by a single surgical team from 2012 to 2016...
August 1, 2017: Journal of Minimal Access Surgery
https://www.readbyqxmd.com/read/28772450/combining-bioactive-multifunctional-dental-composite-with-pamam-for-root-dentin-remineralization
#4
Shimeng Xiao, Kunneng Liang, Michael D Weir, Lei Cheng, Huaibing Liu, Xuedong Zhou, Yi Ding, Hockin H K Xu
Objectives. The objectives of this study were to: (1) develop a bioactive multifunctional composite (BMC) via nanoparticles of amorphous calcium phosphate (NACP), 2-methacryloyloxyethyl phosphorylcholine (MPC), dimethylaminohexadecyl methacrylate (DMAHDM) and nanoparticles of silver (NAg); and (2) investigate the effects of combined BMC + poly (amido amine) (PAMAM) on remineralization of demineralized root dentin in a cyclic artificial saliva/lactic acid environment for the first time. Methods. Root dentin specimens were prepared and demineralized with 37% phosphoric acid for 15 s...
January 22, 2017: Materials
https://www.readbyqxmd.com/read/28767702/astragaloside-iv-ameliorates-diabetic-nephropathy-by-modulating-the-mitochondrial-quality-control-network
#5
Xinhui Liu, Wenjing Wang, Gaofeng Song, Xian Wei, Youjia Zeng, Pengxun Han, Dongtao Wang, Mumin Shao, Juan Wu, Huili Sun, Guoliang Xiong, Shunmin Li
The aim of this study was to investigate the effect and possible mechanism of Astragaloside IV (AS-IV) on retarding the progression of diabetic nephropathy (DN) in a type 2 diabetic animal model, db/db mice. Eight-week-old male db/db diabetic mice and their nondiabetic littermate control db/m mice were used in the present study. AS-IV was administered to the db/db mice by adding it to standard feed at a dose of 1g/kg for 12 weeks. Renal injury was assessed by urinary albumin excretion (UAE) and Periodic acid-Schiff staining...
2017: PloS One
https://www.readbyqxmd.com/read/28764214/study-of-retinal-nerve-fibre-layer-thickness-and-visual-contrast-sensitivity-in-hiv-positive-individuals
#6
Rudrajit Paul, Asim K Ghosh, Adwaita Nag, Shyamapada Biswas, Britisundar Naiya, Jayati Mondal
INTRODUCTION: Measurement of Retinal Nerve Fibre Layer Thickness (RNFLT) by Optical Coherence Tomography (OCT) is a sensitive, non invasive and cheap method of detecting early retinal changes in a variety of diseases. In HIV infection, RNFLT is altered and this may have effect on other visual functions like Contrast Sensitivity (CS) and visual acuity. Such ocular pathology can affect the daily life and profession (especially driving) of HIV infected individuals. However, studies on this topic in HIV infected population are rare from India...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28759707/relevance-of-cystatin-c-n-acetylglucosaminidase-and-interleukin-18-with-the-diagnosis-of-acute-kidney-injury-induced-by-cadmium-in-rats
#7
Ola Sayed Mohamed Ali, Shereen Saeid Elshaer, Hend Mohamed Anwar, Mamdouh Salah El-Din Zohni
The diagnosis of acute kidney injury (AKI) is frequently established on modifications in serum creatinine (SCr). The discriminative and prognostic aptitudes of serum cystatin-C as well as N-acetylglucosaminidase (NAG) and Interleukin-18 (IL-18) were inspected for the estimation of AKI. In this study twelve rats were alienated into two groups: control group received saline, second group received cadmium chloride at a dose (2.4 mg Cd/kg/day, i.p) for 30 days. Blood urea nitrogen (BUN), SCr, and IL-18 serum level were measured in addition to serum and tissue content of cystatin-C and NAG...
July 31, 2017: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/28759452/influence-of-nanoparticles-on-filterability-of-fruit-juice-industry-wastewater-using-submerged-membrane-bioreactor
#8
Guler Turkoglu Demirkol, Nadir Dizge, Turkan Ormanci Acar, Oyku Mutlu Salmanli, Nese Tufekci
In this study, polyethersulfone (PES) ultrafiltration membrane surface was modified with nano-sized zinc oxide (nZnO) and silver (nAg) to improve the membrane filterability of the mixed liquor and used to treat fruit-juice industry wastewater in a submerged membrane bioreactor (MBR). The nAg was synthesized using three different methods. In the first method, named as nAg-M1, PES membrane was placed on the membrane module and nAg solution was passed through the membrane for 24 h at 25 ± 1 °C. In the second method, named as nAg-M2, PES membrane was placed in a glass container and it was shaken for 24 h at 150 rpm at 25 ± 1 °C...
July 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28757422/combined-antibacterial-tissue-regeneration-response-in-thermal-burns-promoted-by-functional-chitosan-silver-nanocomposites
#9
E Luna-Hernández, M E Cruz-Soto, F Padilla-Vaca, R A Mauricio-Sánchez, D Ramirez-Wong, R Muñoz, L Granados-López, L R Ovalle-Flores, J L Menchaca-Arredondo, A Hernández-Rangel, E Prokhorov, J L García-Rivas, B L España-Sánchez, G Luna-Bárcenas
We report the combined antibacterial/tissue regeneration responses to thermal burns promoted by functional chitosan/silver nanocomposites (CS/nAg) with ultralow silver content (0.018wt.%, 7-30nm). Our approach allows one to produce CS/nAg nanocomposites without silver nanoparticles (nAg) agglomeration, with bactericide potency higher than 1wt.% of nAg (ca. 10nm) content and, promoting the healing process in controlled thermal burns. CS/nAg films exhibit high antibacterial activity against S. aureus and P. aeruginosa after 1...
July 28, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28756925/intervention-effect-and-mechanism-of-curcumin-in-chronic-urinary-tract-infection-in-rats
#10
Wen-Yong Xue, Jin-Chun Qi, Lei Du
OBJECTIVE: To analyze the invention effect of curcumin on chronic urinary tract infection in rats and explore its possible mechanism of action. METHODS: The experimental animals were randomly divided into three groups, normal, model and curcumin group. Chronic urinary tract infection models were built for model group and curcumin group by injecting coliform fluid into the cavity of bladder. From the first day of modeling, rats in the curcumin group were injected with 150 mg/kg curcumin, while rats in normal group and model group were given no other treatment...
June 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28752287/effects-of-topiroxostat-in-hyperuricemic-patients-with-chronic-kidney-disease
#11
Taro Horino, Yutaka Hatakeyama, Osamu Ichii, Tatsuki Matsumoto, Yoshiko Shimamura, Kosuke Inoue, Yoshio Terada, Yoshiyasu Okuhara
BACKGROUND: Hyperuricemia is associated with chronic kidney disease (CKD). Although topiroxostat, a novel, non-purine, selective xanthine oxidase inhibitor, has a strong effect against hyperuricemia, limited data are available on its renoprotective effect against CKD. METHODS: This study was conducted between October 2014 and May 2016. Thirty patients (20 male, 10 female) were administered 40 mg/day of topiroxostat twice daily. All patients were followed for a year...
July 27, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28748536/renal-tubular-injury-during-cardiopulmonary-bypass-as-assessed-by-urinary-release-of-n-acetyl-%C3%A3-d-glucosaminidase
#12
L Lannemyr, E Lundin, B Reinsfelt, G Bragadottir, B Redfors, J Oras, S-E Ricksten
BACKGROUND: Acute kidney injury (AKI) is a common complication with a major impact on morbidity and mortality after cardiac surgery with cardiopulmonary bypass (CPB). The aim of the present study was to perform a detailed analysis on the release of the tubular injury biomarker N-acetyl-b-D-glucosaminidase (NAG) during and early after CPB and to describe independent predictors of maximal tubular injury. We hypothesized that renal tubular injury occurs early after the onset of CPB. METHODS: In this prospective observational study, we included 61 patients undergoing open cardiac surgery with an expected CPB duration exceeding 60 min...
July 26, 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/28746316/efficacy-of-prophylactic-use-of-ciprofloxacin-and-metronidazole-in-mild-and-moderately-severe-acute-pancreatitis
#13
A K Mandal, S Chaudhary, B Shrestha, M S Paudel, N S Poudyal, B N Paudel, B Bhattarai, S K Ray, N M Ray
INTRODUCTION: There are new concepts and developments in the diagnosis and management of acute pancreatitis. Current evidence suggests that there is no role of prophylactic antibiotics use in acute pancreatitis. However, it is still a common practice to administer prophylactic antibiotics in a country like Nepal. So, we have conducted a study in mild and moderately severe acute pancreatitis to study the efficacy of prophylactic antibiotics. METHODS: A case control study was conducted among 76 patients comparing efficacy of prophylactic antibiotics versus no antibiotics in patients with mild and moderately severe acute pancreatitis...
April 2017: JNMA; Journal of the Nepal Medical Association
https://www.readbyqxmd.com/read/28745052/identification-of-the-tyroh-%C3%A2-radical-cation-in-the-flavoenzyme-trmfo
#14
Lipsa Nag, Pierre Sournia, Hannu Myllykallio, Ursula Liebl, Marten H Vos
Tyrosine (TyrOH) and tryptophan radicals play important roles as intermediates in biochemical charge-transfer reactions. Tryptophanyl radicals have been observed both in their protonated cation form and in their unprotonated neutral form, but to date, tyrosyl radicals have only been observed in their unprotonated form. With a genetically modified form of the flavoenzyme TrmFO as a suitable model system and using ultrafast fluorescence and absorption spectroscopy, we characterize its protonated precursor TyrOH(•+), and we show this species to have a distinct visible absorption band and a transition moment that we suggest to lie close to the phenol symmetry axis...
August 8, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28739803/chromatin-remodeling-swi-snf-complex-regulates-coenzyme-q6-synthesis-and-a-metabolic-shift-to-respiration-in-yeast
#15
Agape M Awad, Srivats Venkataramanan, Anish Nag, Anoop Raj Galivanche, Michelle C Bradley, Lauren Neves, Stephen Douglass, Catherine F Clarke, Tracy L Johnson
Despite its relatively streamlined genome, there are many important examples of regulated RNA splicing in Saccharomyces cerevisiae Here we report a role for the chromatin remodeler SWI/SNF in respiration, partially via the regulation of splicing. We find that a nutrient-dependent decrease in Snf2 leads to an increase in splicing of the PTC7 transcript. The spliced PTC7 transcript encodes a mitochondrial phosphatase regulator of biosynthesis of coenzyme Q6 (ubiquinone, or CoQ6), a mitochondrial redox-active lipid essential for electron and proton transport in respiration, and increased splicing of PTC7 increases CoQ6 levels...
July 24, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28739435/ureaplasma-spp-in-male-infertility-and-its-relationship-with-semen-quality-and-seminal-plasma-components
#16
Yun Heng Zhou, Hong Xia Ma, Xiao Xing Shi, Yang Liu
OBJECTIVE: We investigated the prevalence of Ureaplasma spp. in semen samples of infertile men in Shanghai, China and evaluated the correlation between the sperm parameters (seminal volume, sperm concentration, progressive motility and non-progressive) and the secretary function in these infectious populations. METHODS: Semens were collected from 540 infertile men and 260 fertile control group in shanghai, China and subjected to standard bacterial and Ureaplasma spp...
June 22, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28736580/supportive-and-non-supportive-interactions-in-families-with-a-type-2-diabetes-patient-an-integrative-review
#17
REVIEW
Birgitte B Bennich, Michael E Røder, Dorthe Overgaard, Ingrid Egerod, Lene Munch, Filip K Knop, Tina Vilsbøll, Hanne Konradsen
BACKGROUND: Type 2 diabetes and its management affect the patient and the close family potentially causing either psychological distress or increased sense of responsibility and collaboration in these families. Interactions between patient and family play an important role in maintaining lifestyle changes and diabetes self-management. The purpose of this integrative review was to summarise and assess published studies on the intra-family perspective of supportive and non-supportive interactions in families with a type 2 diabetes patient...
2017: Diabetology & Metabolic Syndrome
https://www.readbyqxmd.com/read/28728545/the-potential-value-of-serum-pepsinogen-for-the-diagnosis-of-atrophic-gastritis-among-the-health-check-up-populations-in-china-a-diagnostic-clinical-research
#18
Yuling Tong, Yulian Wu, Zhenya Song, Yingying Yu, Xinyan Yu
BACKGROUND: The aim of this study is to assess the validity of the measurement of pepsinogen as a screening test for chronic atrophic gastritis (AG) in health check-up populations in China. METHODS: Patients from consecutive regular health check-up were enrolled from January 2014 to June 2015. Endoscopy, combined with monitoring the Helicobacter pylori (Hp) infections, and measuring the serum pepsinogen (PG) were used to determine the diagnostic accuracy of PG for the screening of atrophic gastritis...
July 20, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/28727722/an-attenuated-shigella-mutant-lacking-the-rna-binding-protein-hfq-provides-cross-protection-against-shigella-strains-of-broad-serotype
#19
Jiro Mitobe, Ritam Sinha, Soma Mitra, Dhrubajyoti Nag, Noriko Saito, Ken Shimuta, Nobuo Koizumi, Hemanta Koley
Few live attenuated vaccines protect against multiple serotypes of bacterial pathogen because host serotype-specific immune responses are limited to the serotype present in the vaccine strain. Here, immunization with a mutant of Shigella flexneri 2a protected guinea pigs against subsequent infection by S. dysenteriae type 1 and S. sonnei strains. This deletion mutant lacked the RNA-binding protein Hfq leading to increased expression of the type III secretion system via loss of regulation, resulting in attenuation of cell viability through repression of stress response sigma factors...
July 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28710696/mesocotyl-elongation-is-essential-for-seedling-emergence-under-deep-seeding-condition-in-rice
#20
Hyun-Sook Lee, Kazuhiro Sasaki, Ju-Won Kang, Tadashi Sato, Won-Yong Song, Sang-Nag Ahn
BACKGROUND: Direct-seeding cultivation by deep-seeding of seeds (drill seeding) is becoming popular due to the scarcity of land and labor. However, poor emergence and inadequate seedling establishment can lead to yield loss in direct-seeding cultivation by deep-sowing. In rice, mesocotyl and coleoptile are primarily responsible for seedling emergence from deeper levels of soil. RESULTS: Quantitative trait loci (QTLs) for mesocotyl and coleoptile length at 5-cm seeding depth were detected using 98 backcross inbred lines from a cross between Kasalath and Nipponbare...
December 2017: Rice
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