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https://www.readbyqxmd.com/read/28432957/nanoencapsulation-strategies-for-the-delivery-of-novel-bifunctional-antioxidant-%C3%AF-1-selective-ligands
#1
Claudia Carbone, Emanuela Arena, Veronica Pepe, Orazio Prezzavento, Ivana Cacciatore, Hasan Turkez, Agostino Marrazzo, Antonio Di Stefano, Giovanni Puglisi
Nowadays sigma-1 receptors are considered as new therapeutic objectives for central nervous system neurodegenerative diseases. Among different molecules, alpha lipoic acid has been identified as a natural potent antioxidant drug, whose therapeutic efficacy is limited by its many drawbacks, such as fast metabolism, poor bioavailability and high physico-chemical instability. Alfa-lipoic acid derivatives have been recently developed demonstrating their neuroprotective activity and effectiveness in different types of oxidative stress...
April 12, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28432949/dominance-of-candidate-saccharibacteria-in-a-membrane-bioreactor-treating-medium-age-landfill-leachate-effects-of-organic-load-on-microbial-communities-hydrolytic-potential-and-extracellular-polymeric-substances
#2
Nikolaos Remmas, Paraschos Melidis, Ioanna Zerva, Jon Bent Kristoffersen, Sofia Nikolaki, George Tsiamis, Spyridon Ntougias
A membrane bioreactor (MBR), accomplishing high nitrogen removal efficiencies, was evaluated under various landfill leachate concentrations (50, 75 and 100% v/v). Proteinous and carbohydrate extracellular polymeric substances (EPS) and soluble microbial product (SMP) were strongly correlated (p<0.01) with organic load, salinity and NH4(+)-N. Exceptionally high β-glucosidase activities (6700-10,100Ug(-1)) were determined during MBR operation with 50% v/v leachate, as a result of the low organic carbon availability that extendedly induced β-glucosidases to breakdown the least biodegradable organic fraction...
April 10, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28432716/deciphering-tacrolimus-induced-toxicity-in-pancreatic-%C3%AE-cells
#3
J Triñanes, A E Rodriguez-Rodriguez, Y Brito, A Wagner, A P J De Vries, G Cuesto, A Acebes, E Salido, A Torres, E Porrini
β-cell transcription factors like: FoxO1, MafA, PDX-1, NeuroD, are dysfunctional in type 2 diabetes (T2DM). PTDM resembles T2DM and reflects interaction between pre-transplant insulin resistance and immunosuppressants, mainly calcineurin inhibitors. We evaluated the effect of tacrolimus, cyclosporine-A and metabolic stressors (glucose+palmitate) on insulinoma β-cells (INS-1) in vitro and in pancreata of obese and lean Zucker rats. Cells were cultured for five days with 100μM palmitate and 22mM glucose; cyclosporin-A (250ng/mL) or tacrolimus (15ng/mL) were added the last 48h...
April 22, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28432611/comparison-of-human-erythrocyte-purine-nucleotide-metabolism-and-blood-purine-and-pyrimidine-degradation-product-concentrations-before-and-after-acute-exercise-in-trained-and-sedentary-subjects
#4
Wioleta Dudzinska, M Suska, A Lubkowska, K Jakubowska, M Olszewska, K Safranow, D Chlubek
This study aimed at evaluating the concentration of erythrocyte purine nucleotides (ATP, ADP, AMP, IMP) in trained and sedentary subjects before and after maximal physical exercise together with measuring the activity of purine metabolism enzymes as well as the concentration of purine (hypoxanthine, xanthine, uric acid) and pyrimidine (uridine) degradation products in blood. The study included 15 male elite rowers [mean age 24.3 ± 2.56 years; maximal oxygen uptake (VO2max) 52.8 ± 4.54 mL/kg/min; endurance and strength training 8...
April 21, 2017: Journal of Physiological Sciences: JPS
https://www.readbyqxmd.com/read/28432590/pathological-analysis-of-the-surgical-margins-of-resected-glioblastomas-excised-using-photodynamic-visualization-with-both-5-aminolevulinic-acid-and-fluorescein-sodium
#5
Hirohito Yano, Noriyuki Nakayama, Naoyuki Ohe, Kazuhiro Miwa, Jun Shinoda, Toru Iwama
During glioma resection, 5-aminolevulinic acid (5-ALA) and fluorescein sodium (Fl-Na) are used for photodynamic tumor visualization. The objective of this study was to evaluate the pathological findings of the boundary zone between the tumor and adjacent normal brain in glioblastoma patients undergoing simultaneous double staining with 5-ALA and Fl-Na during surgery. Eight patients received 5-ALA (20 mg/kg orally) before the induction of general anesthesia, and Fl-Na (20 mg/kg) was administered intravenously before the dural incision was performed...
April 21, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28432465/ppar%C3%AE-activation-regulates-lipid-droplet-formation-and-lactate-production-in-rat-sertoli-cells
#6
A Gorga, G M Rindone, M Regueira, E H Pellizzari, M C Camberos, S B Cigorraga, M F Riera, M N Galardo, S B Meroni
Sertoli cells provide the structural and nutritional support for germ cell development; they actively metabolize glucose and convert it to lactate, which is an important source of energy for germ cells. Furthermore, Sertoli cells can oxidize fatty acids, a metabolic process that is assumed to fulfill their own energy requirements. Fatty acids are stored as triacylglycerides within lipid droplets. The regulation of fatty acid storage in conjunction with the regulation of lactate production may thus be relevant to seminiferous tubule physiology...
April 21, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28432081/glucose-tolerance-and-insulin-responsiveness-in-gitelman-syndrome-patients
#7
Tao Yuan, Lanping Jiang, Chen Chen, Xiaoyan Peng, Min Nie, Xuemei Li, Xiaoping Xing, Xuewang Li, Limeng Chen
Objective Impaired glucose metabolism and insulin sensitivity have been reported in patients with Gitelman syndrome (GS), but insulin secretion and the related mechanisms are not well understood. Design and Methods The serum glucose levels, insulin secretion and insulin sensitivity were evaluated in patients with GS (n=28), patients with type 2 diabetes mellitus (DM) and healthy individuals (n=20 in both groups) using an oral glucose tolerance test. Serum and urine sodium, potassium and creatinine levels were measured at 0, 30, 60, 120 and 180 min after an oral glucose load was administered...
April 21, 2017: Endocrine Connections
https://www.readbyqxmd.com/read/28431972/mitochondrial-energy-metabolism-of-rat-hippocampus-after-treatment-with-the-antidepressants-desipramine-and-fluoxetine
#8
Roberto Federico Villa, Federica Ferrari, Laura Bagini, Antonella Gorini, Nicoletta Brunello, Fabio Tascedda
Alterations in mitochondrial functions have been hypothesized to participate in the pathogenesis of depression, because brain bioenergetic abnormalities have been detected in depressed patients by neuroimaging in vivo studies. However, this hypothesis is not clearly demonstrated in experimental studies: some suggest that antidepressants are inhibitors of mitochondrial metabolism, while others observe the opposite. In this study, the effects of 21-day treatment with desipramine (15 mg/kg) and fluoxetine (10 mg/kg) were examined on the energy metabolism of rat hippocampus, evaluating the catalytic activity of regulatory enzymes of mitochondrial energy-yielding metabolic pathways...
April 18, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28431866/circulating-micrornas-signature-correlates-with-positive-18-f-fluorodeoxyglucose-positron-emission-tomography-in-patients-with-abdominal-aortic-aneurysm
#9
Audrey Courtois, Betty Nusgens, Nancy Garbacki, Roland Hustinx, Pierre Gomez, Jean-Olivier Defraigne, Alain C Colige, Natzi Sakalihasan
BACKGROUND: Prediction of abdominal aortic aneurysm (AAA) rupture is a challenging issue. Small noncoding microRNAs (miRNAs) are potent regulators of gene expression and are considered as valuable circulating biomarkers. Recently, [(18)F]fluorodeoxyglucose (FDG) uptake detected by positron emission tomography (PET) in AAA was correlated with cellular and molecular alterations involved in wall instability and its potential rupture. Our study aimed at identifying circulating miRNAs correlated with a positive PET that could help discriminate patients at high risk of rupture...
April 18, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28431854/relationship-of-cotinine-verified-and-self-reported-smoking-status-with-metabolic-syndrome-in-116-094-korean-adults
#10
Byung Jin Kim, Ji Min Han, Jung Gyu Kang, Eun Jung Rhee, Bum Soo Kim, Jin Ho Kang
BACKGROUND: No study has reported the relationship between cotinine-verified and self-reported smoking status with metabolic syndrome (MetS). OBJECTIVE: This study was performed to evaluate the relationship between urinary cotinine-verified and self-reported smoking status with MetS and determine the effects of unobserved smokers on MetS in Korean adults. METHODS: A total of 116,094 individuals (66,875 men and 49,219 women) with mean age of 36...
March 29, 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28431599/usefulness-of-ilae-2010-classification-in-mexican-epilepsy-patients
#11
Ildefonso Rodríguez Leyva, Juan Francisco Hernández Gómez, Fernando Cortés Enríquez, Juan Francisco Hernández Sierra
OBJECTIVE: Advances in neuroimaging, genomics, and molecular biology have improved the understanding of the pathogenesis of epilepsy. That is why the International League Against Epilepsy (ILAE) has created a new classification system. The present study aims to evaluate the association between epilepsy cases classified by the ILAE 2010 classification proposal, electroencephalography (EEG), and magnetic resonance imaging brain findings (MRI). METHODS: Prospective cross-sectional design of 277 cases of epilepsy seen at the Epilepsy Clinic, Hospital Central "Dr...
May 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28431568/a-case-report-of-severe-calciphylaxis-suggested-approach-for-diagnosis-and-treatment
#12
Margret Patecki, Gabriele Lehmann, Jan Hinrich Bräsen, Jessica Schmitz, Anna Bertram, Lars Daniel Berthold, Hermann Haller, Wilfried Gwinner
BACKGROUND: Calciphylaxis is a serious complication in patients with chronic kidney disease associated mineral and bone disorder. It can occur in conditions with low and high bone turnover. So far, there are no definite diagnostic and therapeutic guidelines which may prevent the devastating outcome in many calciphylaxis patients. We report a case which clearly illustrates that knowledge of the underlying bone disorder is essential for a directed treatment. Based on this experience we discuss a systematic diagnostic and therapeutic approach in patients with calciphylaxis...
April 21, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28431343/measurement-of-physical-activity-levels-in-the-intensive-care-unit-and-functional-outcomes-an-observational-study
#13
Lisa J Beach, Kate Fetterplace, Lara Edbrooke, Selina M Parry, Rachel Curtis, Thomas Rechnitzer, Sue Berney, Linda Denehy
PURPOSE: Primary aims were: (1) objectively quantify levels of physical activity with the sensewear armband mini-fly motion sensor (SWA-MF), (2) evaluate the correlation of SWA-MF measurement of active and resting energy expenditure against the ICU Mobility scale (IMS) and indirect calorimetry respectively. MATERIALS AND METHODS: Adults mechanically ventilated ≥48h and anticipated to remain in ICU≥5days were included. Physical activity (PA) was measured using a SWA-MF (over the first five days); energy expenditure was measured with both the SWA-MF and the Deltatrac II metabolic cart on day three; highest level of mobility was assessed on the IMS...
April 7, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28431226/the-impact-of-automatic-devices-for-capillary-blood-collection-on-efficiency-and-pain-response-in-newborns-a-randomized-controlled-trial
#14
G Sorrentino, M Fumagalli, S Milani, I Cortinovis, A Zorz, G Cavallaro, F Mosca, L Plevani
BACKGROUND: The heel stick is the method of choice in most neonatal units for capillary blood sampling, and it represents the most common event among all painful procedures performed on newborns. The type and design of heel stick device and the clinical procedure to collect a blood sample may have an impact on newborn pain response as well. OBJECTIVE: To compare the pain response and efficiency of different automated devices for capillary blood collection in newborns...
April 11, 2017: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/28430653/preventive-effects-of-the-sodium-glucose-cotransporter-2-inhibitor-tofogliflozin-on-diethylnitrosamine-induced-liver-tumorigenesis-in-obese-and-diabetic-mice
#15
Koki Obara, Yohei Shirakami, Akinori Maruta, Takayasu Ideta, Tsuneyuki Miyazaki, Takahiro Kochi, Hiroyasu Sakai, Takuji Tanaka, Mitsuru Seishima, Masahito Shimizu
Sodium glucose cotransporter 2 inhibitors are expected to ameliorate the abnormalities associated with metabolic syndrome including non-alcoholic fatty liver disease. In this study, we investigated the effects of the sodium glucose cotransporter 2 inhibitor tofogliflozin on the development of non-alcoholic fatty liver disease-related liver tumorigenesis in C57BL/KsJ-+Leprdb/+Leprdb obese and diabetic mice. The direct effects of tofogliflozin on human liver cancer cell proliferation were also evaluated. Mice were administered diethylnitrosamine-containing water for 2 weeks and were treated with tofogliflozin throughout the experiment...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430024/cacao-phylloplane-the-first-battlefield-against-moniliophthora-perniciosa-the-causal-agent-of-witches-broom-disease
#16
Dayanne Silva Monteiro Almeida, Karina Peres Gramacho, Thyago H Santana Cardoso, Fabienne Micheli, Fátima Cerqueira Alvim, Carlos Priminho Priminho Pirovani
The phylloplane is the first contact surface between Theobroma cacao and the fungus Moniliophthora perniciosa, which causes witches' broom disease (WBD). We evaluated the index of short glandular trichomes (SGTs) in the cacao phylloplane and the effect of irrigation on the disease index of cacao genotypes with/without resistance to WBD, and identified proteins present in the phylloplane. The resistant and susceptible genotype CCN51 and Catongo presented a mean index of 1600 and 700 SGTs•cm-2, respectively...
April 21, 2017: Phytopathology
https://www.readbyqxmd.com/read/28429907/seasonal-vitamin-d-and-bone-metabolism-in-women-of-reproductive-age-in-urban-beijing
#17
Liying Yang, Wei Zhang
BACKGROUND AND OBJECTIVES: This study aimed to evaluate the relationship between serum 25-hydroxy-vitamin D and bone metabolism in healthy women of reproductive age. METHODS AND STUDY DESIGN: This study included 100 healthy female residents of Beijing (23-30 years old), who underwent bone ultrasonography as well as testing to evaluate serum25-hydroxy-vitamin D, parathyroid hormone, bone alkaline phosphatase, calcium, sodium, phosphorus, and alkaline phosphatase...
May 2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28429577/investigating-general-medication-prescription-by-general-practitioners-during-a-12-month-randomized-controlled-weight-loss-trial
#18
N R Fuller, N S Lau, T P Markovic, I D Caterson
Much healthcare expenditure is on pharmaceutical drugs. Expenditure on medications has increased both in absolute terms, and as a proportion of total health expenditure. No previous studies have investigated the prescribing costs by general practitioners when managing patients during a weight loss intervention. This study evaluated the medication costs by individual class during a 1-year study in which 268 participants were randomized to one of two weight loss programmes, either standard care (SC) as defined by national guidelines, or a commercial provider (Weight Watchers) (CP)...
April 20, 2017: Clinical Obesity
https://www.readbyqxmd.com/read/28429545/do-the-benefits-of-using-calcitriol-and-other-vitamin-d-receptor-activators-in-patients-with-chronic-kidney-disease-outweigh-the-harms
#19
Nigel D Toussaint, Matthew J Damasiewicz
The primary indication for administration of calcitriol or other vitamin D receptor activators (VDRA) in chronic kidney disease (CKD) is secondary hyperparathyroidism (SHPT). Prevention and treatment of SHPT appears important, as imbalances in mineral metabolism are associated with renal osteodystrophy, and higher parathyroid hormone (PTH) levels are associated with increased rates of mortality and morbidity in CKD patients. There is, however, a lack of controlled trial data that show lowering PTH with calcitriol/VDRA equates to improved clinical outcomes...
March 2017: Nephrology
https://www.readbyqxmd.com/read/28429514/maternal-metabolic-adaptations-to-pregnancy-among-young-women-in-cebu-philippines
#20
Ruby L Fried, Nanette L Mayol, Thom W McDade, Christopher W Kuzawa
OBJECTIVES: Evidence that fetal development has long-term impacts on health has increased interest in maternal-fetal nutrient exchange. Although maternal metabolism is known to change during gestation to accommodate fetal nutrient demands, little is known about these modifications outside of a Western, clinical context. This study characterizes maternal metabolic adaptations to pregnancy, and their associations with offspring birth weight (BW), among women living in the Philippines. METHODS: Fasting glucose, triglycerides, insulin, leptin, and adiponectin were assessed in 808 participants in the Cebu Longitudinal Health and Nutrition Survey (Metropolitan Cebu, Philippines)...
April 21, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
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