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https://www.readbyqxmd.com/read/28434193/mediators-of-socioeconomic-differences-in-adiposity-among-youth-a-systematic-review
#1
REVIEW
M K Gebremariam, N Lien, R A Nianogo, O A Arah
BACKGROUND: Youth with a low socioeconomic position in developed countries are at a disproportionately higher risk of being overweight or obese than their counterparts. Tackling these inequalities requires that the mechanisms behind them are well understood. OBJECTIVES: The aim of this review was to summarize existing evidence regarding the factors that mediate or contribute to the explanation of the relationship between socioeconomic position and adiposity among youth...
April 23, 2017: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28434133/stiripentol-in-the-management-of-epilepsy
#2
REVIEW
Katherine C Nickels, Elaine C Wirrell
Stiripentol is a structurally unique antiepileptic drug that has several possible mechanisms of action, including diverse effects on the gamma-aminobutyric acid (GABA)-A receptor and novel inhibition of lactate dehydrogenase. Because of its inhibition of several cytochrome P450 enzymes, it has extensive pharmacokinetic interactions, which often necessitates reduction in doses of certain co-therapies, particularly clobazam. Stiripentol also has a neuroprotective action, by reducing calcium-mediated neurotoxicity...
April 22, 2017: CNS Drugs
https://www.readbyqxmd.com/read/28434087/hepatitis-b-during-pregnancy-in-endemic-areas-screening-treatment-and-prevention-of-mother-to-child-transmission
#3
Naichaya Chamroonkul, Teerha Piratvisuth
The proper management of pregnant women infected with hepatitis B virus (HBV) is necessary to prevent maternal and fetal morbidity and mortality and to protect the baby from HBV infection. In the majority of cases, vertical transmission can be prevented with a universal screening program, HBV vaccine immunoprophylaxis, and administration of hepatitis B immunoglobulin (HBIg) for babies born to mothers with HBV. However, in mothers with a high viral load (>200,000 or >1,000,000 IU/ml, depending on the guideline), the chance of immunoprophylaxis failure remains high...
April 22, 2017: Paediatric Drugs
https://www.readbyqxmd.com/read/28434072/risk-factors-for-childhood-obesity-do-the-birth-weight-type-of-delivery-and-mother-s-overweight-have-an-implication-on-current-weight-status
#4
Aysel Vehapoglu, Nilufer Goknar, Ozden Turel, Emel Torun, Gamze Ozgurhan
BACKGROUND: The aim of this study was to identify risk factors, including the type of delivery, breastfeeding and its duration, birth weight, the timing of solid food introduction, the mother's education level at birth, and smoking status during pregnancy, that are associated with obesity in children living in Istanbul. METHODS: This study involving 4990 healthy children aged 2-14 years, at an outpatient clinic in a tertiary care hospital from June 2012 to July 2014...
April 22, 2017: World Journal of Pediatrics: WJP
https://www.readbyqxmd.com/read/28433992/the-aachen-minipig-phenotype-genotype-hematological-and-biochemical-characterization-and-comparison-to-the-g%C3%A3-ttingen-minipig
#5
Kerstin Pawlowsky, Lisa Ernst, Julia Steitz, Thaddäus Stopinski, Babette Kögel, Anna Henger, Reinhart Kluge, René Tolba
BACKGROUND: The pig is one of the most frequently used large animal models for biomedical research, especially in the field of translational research and surgical models. While standard livestock breeds are used in short-term and acute studies, minipig breeds are the preferred breeds in long-term and chronic studies due to their limited growth and body weight. OBJECTIVE: In consideration of the 3R principle (refinement, reduction, replacement) and the increasing demand, the aim of this study was to generate a new, robust, non-specific-pathogen-free minipig breed, the Aachen minipig...
April 22, 2017: European Surgical Research. Europäische Chirurgische Forschung. Recherches Chirurgicales Européennes
https://www.readbyqxmd.com/read/28433571/antitumor-and-chemosensitizing-action-of-3-bromopyruvate-implication-of-deregulated-metabolism
#6
Saveg Yadav, Shrish Kumar Pandey, Ajay Kumar, Praveen Kumar Kujur, Rana Pratap Singh, Sukh Mahendra Singh
3-Bromopyruvate (3-BP), brominated derivative of pyruvate, possesses strong antitumor potential, owing to its ability to inhibit multiple target molecules crucial for survival of neoplastic cells. Although, 3-BP displays cytotoxicity against a wide variety of tumors, there is no report with respect to malignancies of thymic origin. Therefore, we investigated its antineoplastic action in vitro against tumor cells of a murine transplantable lymphoma of thymoma origin, designated as Dalton's lymphoma (DL). 3-BP treatment of tumor cells inhibited metabolism and survival with augmented induction of apoptosis and necrosis...
April 19, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28433458/linking-the-biological-underpinnings-of-depression-role-of-mitochondria-interactions-with-melatonin-inflammation-sirtuins-tryptophan-catabolites-dna-repair-and-oxidative-and-nitrosative-stress-with-consequences-for-classification-and-cognition
#7
REVIEW
George Anderson
The pathophysiological underpinnings of neuroprogressive processes in recurrent major depressive disorder (rMDD) are reviewed. A wide array of biochemical processes underlie MDD presentations and their shift to a recurrent, neuroprogressive course, including: increased immune-inflammation, tryptophan catabolites (TRYCATs), mitochondrial dysfunction, aryl hydrocarbonn receptor activation, and oxidative and nitrosative stress (O&NS), as well as decreased sirtuins and melatonergic pathway activity. These biochemical changes may have their roots in central, systemic and/or peripheral sites, including in the gut, as well as in developmental processes, such as prenatal stressors and breastfeeding consequences...
April 19, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28432863/prevalence-and-factors-associated-with-breast-milk-donation-in-banks-that-receive-human-milk-in-primary-health-care-units
#8
Tatiana Mota Xavier de Meneses, Maria Inês Couto de Oliveira, Cristiano Siqueira Boccolini
OBJECTIVE: To estimate the prevalence and to analyze factors associated with breast milk donation at primary health care units in order to increase the human milk bank reserves. METHODS: Cross-sectional study carried out in 2013 in Rio de Janeiro, Brazil. A representative sample of 695 mothers of children younger than 1 year attended to at the nine primary health care units with human milk donation services were interviewed. A hierarchical approach was used to obtain adjusted prevalence ratios (APR) by Poisson regression with robust variance...
April 19, 2017: Jornal de Pediatria
https://www.readbyqxmd.com/read/28432791/immediate-versus-delayed-postpartum-insertion-of-contraceptive-implant-for-contraception
#9
REVIEW
Jen Sothornwit, Yuthapong Werawatakul, Srinaree Kaewrudee, Pisake Lumbiganon, Malinee Laopaiboon
BACKGROUND: The spacing of pregnancies has a positive impact on maternal and newborn health. The progestin contraceptive implant, which is a long-acting, reversible method of contraception, has a well-established low failure rate that is compatible with tubal sterilization. The standard provision of contraceptive methods on the first postpartum visit may put some women at risk of unintended pregnancy, either due to loss to follow-up or having sexual intercourse prior to receiving contraception...
April 22, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28432751/acute-kidney-injury-plasma-lactate-concentrations-and-lactic-acidosis-in-metformin-users-a-godarts-study
#10
Paul J Connelly, Mike Lonergan, Enrique Soto-Pedre, Louise Donnelly, Kaixin Zhou, Ewan R Pearson
AIMS: Metformin is renally excreted and has been associated with the development of lactic acidosis. Although current advice is to omit metformin during illnesses that may increase risk of acute kidney injury (AKI), the evidence supporting this is lacking. We investigated the relationship between AKI, lactate concentrations and the risk of lactic acidosis in those exposed to metformin. METHODS: We undertook a population-based case-control study of lactic acidosis in 1,746 participants with Type 2 diabetes and 846 individuals without diabetes with clinically measured lactates with and without AKI between 1994-2014...
April 21, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28432633/synthesis-spectral-properties-and-dft-calculations-of-new-ruthenium-ii-polypyridyl-complexes-dna-binding-affinity-and-in-vitro-cytotoxicity-activity
#11
Rajender Reddy Mallepally, Nagamani Chintakuntla, Venkat Reddy Putta, Nagasuryaprasad K, Ravi Kumar Vuradi, Madhuri P, Satyanarayana Singh S, Ramesh Kumar Chitumalla, Joonkyung Jang, Nagababu Penumaka, Satyanarayana Sirasani
In this paper a novel ligand debip (2-(4-N,N-diethylbenzenamine)1H-imidazo[4,5-f] [1, 10]phenanthroline) and its Ru(II) polypyridyl complexes [Ru(L)2(debip)](2+), (L = phen (1), bpy (2) and dmb (3)) have been synthesized and characterized by spectroscopic techniques. The DNA binding studies for all these complexes were examined by absorption, emission, quenching studies, viscosity measurements and cyclic voltammetry. The light switching properties of complexes 1-3 have been evaluated. Molecular docking, Density Functional Theory (DFT) and time dependent DFT calculations were performed...
April 22, 2017: Journal of Fluorescence
https://www.readbyqxmd.com/read/28432465/ppar%C3%AE-activation-regulates-lipid-droplet-formation-and-lactate-production-in-rat-sertoli-cells
#12
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/28432453/the-influence-of-oxo-bridged-binuclear-gold-iii-complexes-on-na-k-atpase-activity-a-joint-experimental-and-theoretical-approach
#13
Aleksandra M Bondžić, Mirjana B Čolović, Goran V Janjić, Božidarka Zarić, Sandra Petrović, Danijela Z Krstić, Tiziano Marzo, Luigi Messori, Vesna M Vasić
The in vitro effects of oxo-bridged binuclear gold(III) complexes, i.e., [(bipy2Me)2Au2(μ-O)2][PF6]2 (Auoxo6), Au2[(bipydmb-H)2(μ-O)][PF6] (Au2bipyC) and [Au2(phen(2Me))2(μ-O)2](PF6)2 (Au2phen) on Na/K-ATPase, purified from the porcine cerebral cortex, were investigated. All three studied gold complexes inhibited the enzyme activity in a concentration-dependent manner achieving IC50 values in the low micromolar range. Kinetic analysis suggested an uncompetitive mode of inhibition for Auoxo6 and Au2bipyC, and a mixed type one for Au2phen...
April 21, 2017: Journal of Biological Inorganic Chemistry: JBIC
https://www.readbyqxmd.com/read/28432362/succinate-supplementation-improves-metabolic-performance-of-mixed-glial-cell-cultures-with-mitochondrial-dysfunction
#14
Susan Giorgi-Coll, Ana I Amaral, Peter J A Hutchinson, Mark R Kotter, Keri L H Carpenter
Mitochondrial dysfunction, the inability to efficiently utilise metabolic fuels and oxygen, contributes to pathological changes following traumatic spinal cord or traumatic brain injury (TBI). In the present study, we tested the hypothesis that succinate supplementation can improve cellular energy state under metabolically stressed conditions in a robust, reductionist in vitro model of mitochondrial dysfunction in which primary mixed glial cultures (astrocytes, microglia and oligodendrocytes) were exposed to the mitochondrial complex I inhibitor rotenone...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28431555/reduction-of-pulmonary-toxicity-of-metal-oxide-nanoparticles-by-phosphonate-based-surface-passivation
#15
Xiaoming Cai, Anson Lee, Zhaoxia Ji, Cynthia Huang, Chong Hyun Chang, Xiang Wang, Yu-Pei Liao, Tian Xia, Ruibin Li
BACKGROUND: The wide application of engineered nanoparticles has induced increasing exposure to humans and environment, which led to substantial concerns on their biosafety. Some metal oxides (MOx) have shown severe toxicity in cells and animals, thus safe designs of MOx with reduced hazard potential are desired. Currently, there is a lack of a simple yet effective safe design approach for the toxic MOx. In this study, we determined the key physicochemical properties of MOx that lead to cytotoxicity and explored a safe design approach for toxic MOx by modifying their hazard properties...
April 21, 2017: Particle and Fibre Toxicology
https://www.readbyqxmd.com/read/28431199/staphylococcus-aureus-nitric-oxide-synthase-sanos-modulates-aerobic-respiratory-metabolism-and-cell-physiology
#16
Austin B Mogen, Ronan K Carroll, Kimberly L James, Genevy Lima, Dona Silva, Jeffrey A Culver, Christopher Petucci, Lindsey N Shaw, Kelly C Rice
Nitric oxide (NO) is generated from arginine and oxygen via NO synthase (NOS). Staphylococcus aureus NOS (saNOS) has previously been shown to affect virulence and resistance to exogenous oxidative stress, yet the exact mechanism is unknown. Herein, we report a previously-undescribed role of saNOS in S. aureus aerobic physiology. Specifically, aerobic S. aureus nos mutant cultures presented with elevated endogenous reactive oxygen species (ROS) and superoxide levels, as well as increased membrane potential, increased respiratory dehydrogenase activity, and slightly elevated oxygen consumption...
April 21, 2017: Molecular Microbiology
https://www.readbyqxmd.com/read/28431197/serum-c-reactive-protein-procalcitonin-and-lactate-dehydrogenase-for-the-diagnosis-of-pancreatic-necrosis
#17
REVIEW
Oluyemi Komolafe, Stephen P Pereira, Brian R Davidson, Kurinchi Selvan Gurusamy
BACKGROUND: The treatment of people with pancreatic necrosis differs from that of people with oedematous pancreatitis. It is important to know the diagnostic accuracy of serum C-reactive protein (CRP), serum procalcitonin, and serum lactate dehydrogenase (LDH) as a triage test for the detection of pancreatic necrosis in people with acute pancreatitis, so that an informed decision can be made as to whether the person with pancreatic necrosis needs further investigations such as computed tomography (CT) scan or magnetic resonance imaging (MRI) scan and treatment for pancreatic necrosis started...
April 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28431184/congener-specific-disposition-of-chiral-polychlorinated-biphenyls-in-lactating-mice-and-their-offspring-implications-for-pcb-developmental-neurotoxicity
#18
Izabela Kania-Korwel, Tracy Lukasiewicz, Christopher D Barnhart, Marianna Stamou, Haeun Chung, Kevin M Kelly, Stelvio Bandiera, Pamela J Lein, Hans-Joachim Lehmler
Chiral polychlorinated biphenyl (PCB) congeners have been implicated by laboratory and epidemiological studies in PCB developmental neurotoxicity. These congeners are metabolized by cytochrome P450 (P450) enzymes to potentially neurotoxic hydroxylated metabolites (OH-PCBs). The present study explores the enantioselective disposition and toxicity of two environmentally relevant, neurotoxic PCB congeners and their OH-PCB metabolites in lactating mice and their offspring following dietary exposure of the dam. Female C57BL/6N mice (8 weeks old) were fed daily, beginning two weeks prior to conception and continuing throughout gestation and lactation, with 3...
April 14, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28431154/physiological-characterization-of-a-halotolerant-anoxygenic-phototrophic-fe-ii-oxidizing-green-sulfur-bacterium-isolated-from-a-marine-sediment
#19
Katja Laufer, Annika Niemeyer, Verena Nikeleit, Maximilian Halama, James M Byrne, Andreas Kappler
Anoxygenic photoautotrophic bacteria which use light energy and electrons from Fe(II) for growth, so-called photoferrotrophs, are suggested to have been amongst the first phototrophic microorganisms on Earth and to have contributed to the deposition of sedimentary iron mineral deposits, i.e. banded iron formations. To date only two isolates of marine photoferrotrophic bacteria exist, both of which are closely related purple non-sulfur bacteria. Here we present a novel green-sulfur photoautotrophic Fe(II)-oxidizer isolated from a marine coastal sediment, Chlorobium sp...
April 18, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28431025/1h-magnetic-resonance-spectroscopy-of-live-human-sperm
#20
S Reynolds, S J Calvert, M N Paley, A A Pacey
STUDY QUESTION: Can 1H Magnetic Resonance Spectroscopy (MRS) be used to obtain information about the molecules and metabolites in live human spermatozoa? SUMMARY ANSWER: Percoll-based density gradient centrifugation (DGC) followed by a further two washing steps, yielded enough sperm with minimal contamination (<0.01%) from seminal fluid to permit effective MRS which detected significant differences (p < 0.05) in the choline/glycerophosphocholine, lipid and lactate regions of the 1H MRS spectrum between sperm in the pellet and those from the 40/80% interface...
April 18, 2017: Molecular Human Reproduction
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