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https://www.readbyqxmd.com/read/28230705/determinant-variables-enteric-pathogen-burden-gut-function-and-immune-related-inflammatory-biomarkers-associated-with-childhood-malnutrition-a-prospective-case-control-study-in-northeastern-brazil
#1
Aldo Am Lima, Álvaro M Leite, Alessandra Di Moura, Noélia L Lima, Alberto M Soares, Cláudia B Abreu, José Quirino Filho, Rosa Ms Mota, Ila Fn Lima, Alexandre Havt, Pedro Hqs Medeiros, Mara Mg Prata, Marjorie M Guedes, Paloma A Cavalcante, Herlice N Veras, Ana Ks Santos, Sean R Moore, Relana C Pinkerton, Eric R Houpt, Richard L Guerrant
Malnutrition results in serious consequences for growth and cognitive development in children. We studied select child and maternal biological factors, socio-economic factors, enteric pathogenic burden, and gut function biomarkers in 402 children 6-24 months of age in North-eastern Brazil. In this prospective case-control study, not being fed colostrum (odds ratio [OR] = 3.29, 95% confidence interval [CI] 1.73-6.26), maternal age ≥18 years (OR = 1.88, 95% CI 1.10-3.22), and no electrical fan (OR = 2.46, 95% CI 1...
February 22, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28225088/the-general-pts-component-hpr-determines-the-preference-for-glucose-over-mannitol
#2
Mangyu Choe, Young-Ha Park, Chang-Ro Lee, Yeon-Ran Kim, Yeong-Jae Seok
Preferential sugar utilization is a widespread phenomenon in biological systems. Glucose is usually the most preferred carbon source in various organisms, especially in bacteria where it is taken up via the phosphoenolpyruvate:sugar phosphotransferase system (PTS). The currently proposed model for glucose preference over non-PTS sugars in enteric bacteria including E. coli is strictly dependent on the phosphorylation state of the glucose-specific PTS component, enzyme IIA(Glc) (EIIA(Glc)). However, the mechanism of the preference among PTS sugars is largely unknown in Gram-negative bacteria...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28223869/compatibility-study-of-paracetamol-chlorpheniramine-maleate-and-phenylephrine-hydrochloride-in-physical-mixtures
#3
G G G de Oliveira, A Feitosa, K Loureiro, A R Fernandes, E B Souto, P Severino
Paracetamol (PAR), phenylephrine hydrochloride (PHE) and chlorpheniramine maleate (CPM) are commonly used in clinical practice as antipyretic and analgesic drugs to ameliorate pain and fever in cold and flu conditions. The present work describes the use of thermal analysis for the characterization of the physicochemical compatibility between drugs and excipients during the development of solid dosage forms. Thermogravimetric analysis (TGA) and Differential Scanning Calorimetry (DSC) were used to study the thermal stability of the drug and of the physical mixture (drug/excipients) in solid binary mixtures (1:1)...
January 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/28222350/a-thdreb-gene-from-tamarix-hispida-improved-the-salt-and-drought-tolerance-of-transgenic-tobacco-and-t-%C3%A2-hispida
#4
Guiyan Yang, Lili Yu, Kaimin Zhang, Yulin Zhao, Yucong Guo, Caiqiu Gao
Dehydration-responsive element-binding (DREB) transcription factors are important abiotic stress tolerance related genes, and some reports on the roles of DREB have primarily addressed herbal plants. To explore the abiotic stress tolerance role of DREB (ThDREB) from Tamarix hispida, a ThDREB gene with a complete ORF of 783 bp that encodes a 28.74 kDa protein with 260 amino acids, was isolated and functionally annotated. ThDREB expression was highly induced by NaCl, PEG, NaHCO3 and CdCl2 treatments, and the highest expression level (369...
February 10, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28222100/development-of-topical-ophthalmic-in-situ-gel-forming-estradiol-delivery-system-intended-for-the-prevention-of-age-related-cataracts
#5
Udaya K Kotreka, Vicki L Davis, Moji C Adeyeye
The goal of this study was to develop and characterize an ion-activated in situ gel-forming estradiol (E2) solution eye drops intended for the prevention of age-related cataracts. Accordingly, in situ gelling eye drops were made using gellan gum as an ion-activated gel-forming polymer, polysorbate-80 as drug solubilizing agent, mannitol as tonicity agent, and combination of potassium sorbate and edetate disodium dihydrate (EDTA) as preservatives. The formulations were tested for the following characteristics: pH, clarity, osmolality, antimicrobial efficacy, rheological behavior, and in vitro drug release...
2017: PloS One
https://www.readbyqxmd.com/read/28214546/effect-of-cyclophosphamide-on-the-solid-form-of-mannitol-during-lyophilization
#6
Krupaliben Patel, Bhushan Munjal, Arvind K Bansal
Mannitol is a commonly used bulking agent in lyophilized formulations. It can crystallize into multiple solid forms during lyophilization thereby exhibiting phase heterogeneity and variability in product performance. In this manuscript, we studied the effect of cyclophosphamide (CPA), an anticancer drug, on the solid form of mannitol during lyophilization from aqueous solutions. Freeze-concentration studies were performed in the DSC while lyophilization was performed in a lab scale freeze dryer. DSC experiments revealed two-stage crystallization of mannitol (1...
February 15, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28214374/a-systematic-review-of-known-interventions-for-the-treatment-of-chronic-non-hypovolaemic-hypotonic-hyponatraemia-and-a-meta-analysis-of-the-vaptans
#7
REVIEW
Sunil Bhandari, Alessandro Peri, Iain Cranston, Rachael McCool, Alison Shaw, Julie Glanville, Larisa Petrakova, Karl O'Reilly
International and national guidelines on the treatment of chronic non-hypovolaemic hypotonic hyponatraemia differ; therefore we have undertaken this systematic review and meta-analysis to investigate the efficacy and safety of interventions for the treatment of chronic non-hypovolaemic hypotonic hyponatraemia. Following registration of the review protocol with PROSPERO, systematic literature searches were conducted to identify randomised and quasi-randomised controlled trials assessing any degree of fluid restriction or any drug treatment with the aim of increasing serum sodium concentration in patients with chronic non-hypovolaemic hypotonic hyponatraemia...
February 18, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28213736/6-phosphofructokinase-and-ribulose-5-phosphate-3-epimerase-in-methylotrophic-bacillus-methanolicus-ribulose-monophosphate-cycle
#8
Simone Balzer Le, Tonje Marita Bjerkan Heggeset, Tone Haugen, Ingemar Nærdal, Trygve Brautaset
D-Ribulose-5-phosphate-3-epimerase (RPE) and 6-phosphofructokinase (PFK) catalyse two reactions in the ribulose monophosphate (RuMP) cycle in Bacillus methanolicus. The B. methanolicus wild-type strain MGA3 possesses two putative rpe and pfk genes encoded on plasmid pBM19 (rpe1-MGA3 and pfk1-MGA3) and on the chromosome (rpe2-MGA3 and pfk2-MGA3). The wild-type strain PB1 also encodes putative rpe and pfk genes on plasmid pBM20 (rpe1-PB1 and pfk1-PB1*); however, it only harbours a chromosomal pfk gene (pfk2-PB1)...
February 17, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28210931/serotonin-syndrome-from-5-hydroxytryptophan-supplement-ingestion-in-a-9-month-old-labrador-retriever
#9
Hopkins Jennifer, Pardo Mariana, Bischoff Karyn
INTRODUCTION: 5-Hydroxytryptophan (5-HTP) supplements are available over the counter and labeled as sleeping aids and anxiolytics for human use. 5-HTP is a serotonin precursor and overdose can lead to serotonin syndrome. CASE REPORT: A 9-month-old female Labrador retriever was evaluated after ingestion of a 5-HTP supplement. Signs of agitation developed within 1 h of ingestion, and emesis was attempted by the owner with  3% hydrogen peroxide (H2O2) orally. On presentation, the dog was obtunded, bilaterally mydriatic and salivating...
February 16, 2017: Journal of Medical Toxicology: Official Journal of the American College of Medical Toxicology
https://www.readbyqxmd.com/read/28209457/metabolomic-approach-reveals-the-biochemical-mechanisms-underlying-drought-stress-tolerance-in-thyme
#10
Parviz Moradi, Brian Ford-Lloyd, Jeremy Pritchard
Thyme as a perennial herb has been recognized globally for its antimicrobial, antiseptic and spasmolytic effects. In this investigation, we have used non-targeted metabolite and volatile profiling combined with the morpho-physiological parameters in order to understand the responses at the metabolite and physiological level in drought sensitive and tolerant thyme plant populations. The results at the metabolic level identified the significantly affected metabolites. Significant metabolites belonging to different chemical classes consisting amino acids, carbohydrates, organic acids and lipids have been compared in tolerant and sensitive plants...
February 13, 2017: Analytical Biochemistry
https://www.readbyqxmd.com/read/28208062/nano-suspension-coating-as-a-technique-to-modulate-the-drug-release-from-controlled-porosity-osmotic-pumps-for-a-soluble-agent
#11
Leila Azharshekoufeh Bahari, Yousef Javadzadeh, Mohammad Barzegar Jalali, Peyvand Johari, Ali Nokhodchi, Javad Shokri
In controlled porosity osmotic pumps (CPOP), usually finding a single solvent with a capability to dissolve both film former (hydrophobic) and pore former (hydrophilic) is extremely challenging. Therefore, the aim of the present investigation was to tackle the issue associated with controlled porosity osmotic pump (CPOP) system using nano-suspension coating method. In the present study 4-Amino pyridine was used as a highly water soluble drug. In this method, a hydrophilic pore former (sucrose or mannitol) in nano range was suspended in polymeric coating solution using ball-mill...
February 8, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28207304/improvement-of-polymyxin-egg-yolk-mannitol-bromothymol-blue-agar-for-the-enumeration-and-isolation-of-bacillus-cereus-in-various-foods
#12
Il-Byeong Kang, Jung-Whan Chon, Dong-Hyeon Kim, Dana Jeong, Hong-Seok Kim, Hyunsook Kim, Kun-Ho Seo
A modified polymyxin-egg yolk-mannitol-bromothymol blue agar (mPEMBA) was developed by supplementing polymyxin-egg yolk-mannitol-bromothymol blue agar (PEMBA) with trimethoprim to improve the selectivity for and recoverability of Bacillus cereus from naturally and artificially contaminated food samples. The number of B. cereus in mPEMBA was significantly higher than in PEMBA, indicating better recoverability (P < 0.05) in red pepper powder (PEMBA 0.80 ± 0.22 log CFU/g versus mPEMBA 1.95 ± 0.17 log CFU/g) and soybean paste (PEMBA 2...
February 16, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28193503/clinical-translation-of-a-psma-inhibitor-for-99m-tc-based-spect
#13
Guillermina Ferro-Flores, Myrna Luna-Gutiérrez, Blanca Ocampo-García, Clara Santos-Cuevas, Erika Azorín-Vega, Nallely Jiménez-Mancilla, Emmanuel Orocio-Rodríguez, Jenny Davanzo, Francisco O García-Pérez
BACKGROUND: Prostate-specific membrane antigen (PSMA) is highly over-expressed in advanced prostate cancers. (68)Ga-labeled PSMA inhibitors (iPSMA) are currently used for prostate cancer detection by PET imaging. The availability of simple, efficient and reproducible radiolabeling procedures is essential for developing new SPECT radiopharmaceuticals for clinical translation. The aim of this research was to prepare (99m)Tc-EDDA/HYNIC-Lys(Nal)-Urea-Glu ((99m)Tc-EDDA/HYNIC-iPSMA) obtained from lyophilized kit formulations and evaluate the in vitro and in vivo radiopharmaceutical binding to prostate cancer cells over-expressing PSMA, as well as the (99m)Tc-EDDA/HYNIC-iPSMA normal biodistribution in humans and the preliminary uptake in patients with prostate cancer...
February 3, 2017: Nuclear Medicine and Biology
https://www.readbyqxmd.com/read/28193172/comparison-of-pathogenic-and-non-pathogenic-enterococcus-cecorum-strains-from-different-animal-species
#14
Arne Jung, Martin Metzner, Martin Ryll
BACKGROUND: Enterococcus cecorum (EC) infection currently is one of the most important bacterial diseases of modern broiler chickens but can also affect ducks or other avian species. However, little is known concerning pathogenesis of EC and most studies concentrate on examinations of EC strains from broilers only. The objective of this study was to compare pathogenic and commensal EC strains from different animal species concerning different phenotypic and genotypic traits. RESULTS: Pathogenic and commensal EC strains were not clearly separated from each other in a phylogenetic tree based on partial sequences of the 16S-rRNA-gene and also based on the fatty acid profile determined with gas chromatography...
February 13, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28187815/principles-of-intracranial-pressure-monitoring-and-treatment
#15
M Czosnyka, J D Pickard, L A Steiner
Intracranial pressure (ICP) is governed by volumes of intracranial blood, cerebrospinal fluid, and brain tissue. Expansion of any of these volumes will trigger compensatory changes in the other compartments, resulting in initially limited change in ICP. Due to the rigid skull, once compensatory mechanisms are exhausted, ICP rises very rapidly. Intracranial hypertension is associated with unfavorable outcome in brain-injured patients. This chapter discusses the pathophysiology of raised ICP, as well as typical waveforms, monitoring techniques, and clinical management...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28184229/bnsip1-1-a-trihelix-family-gene-mediates-abiotic-stress-tolerance-and-aba-signaling-in-brassica-napus
#16
Junling Luo, Shaohua Tang, Fengling Mei, Xiaojue Peng, Jun Li, Xiaofei Li, Xiaohong Yan, Xinhua Zeng, Fang Liu, Yuhua Wu, Gang Wu
The trihelix family genes have important functions in light-relevant and other developmental processes, but their roles in response to adverse environment are largely unclear. In this study, we identified a new gene, BnSIP1-1, which fell in the SIP1 (6b INTERACTING PROTEIN1) clade of the trihelix family with two trihelix DNA binding domains and a fourth amphipathic α-helix. BnSIP1-1 protein specifically targeted to the nucleus, and its expression can be induced by abscisic acid (ABA) and different stresses...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28182085/maresin-1-mitigates-high-glucose-induced-mouse-glomerular-mesangial-cell-injury-by-inhibiting-inflammation-and-fibrosis
#17
Shi Tang, Chenlin Gao, Yang Long, Wei Huang, Jiao Chen, Fang Fan, Chunxia Jiang, Yong Xu
Background. Inflammation and fibrosis are the important pathophysiologic processes in diabetic nephropathy (DN). Maresin 1 is a potential anti-inflammatory lipid mediator, which has displayed powerful proresolving activities. Aim. We determine whether maresin 1 has protective effect on mouse glomerular mesangial cells (GMCs) induced by high glucose. Methods. We cultured GMCs stimulated by high glucose and categorized as follows: normal glucose group (5.6 mmol/L), high glucose group (30 mmol/L), mannitol group, maresin 1 intervention group (1, 10, and 100 nmol/L), maresin 1 and normal glucose group, and the N-acetylcysteine (NAC) intervention group (10 μmol/L NAC)...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28181145/low-after-high-glucose-down-regulated-cx43-in-h9c2-cells-by-autophagy-activation-via-cross-regulation-by-the-pi3k-akt-mtor-and-mek-erk1-2-signal-pathways
#18
Yaguang Bi, Guangyu Wang, Xiangdong Liu, Meng Wei, Qingyong Zhang
PURPOSE: Hypoglycemia in diabetes is a strong predictor of cardiovascular events. High-glucose have been reported to alter connexin43 expression and to promote autophagy in cardiomyocytes. We investigated whether low-after-high glucose would influence connexin43 expression and autophagy in H9c2 cells. METHODS: H9c2 cells were incubated in 33.3 mM glucose for 24 h followed by 2.5 mM glucose for 2, 4, 6, or 12 h with or without chloroquine (autophagy inhibitor), U0126 (MEK1/2 inhibitor) or LY294002 (PI3K inhibitor)...
February 8, 2017: Endocrine
https://www.readbyqxmd.com/read/28177390/digestibility-of-energy-and-lipids-and-oxidative-stress-in-nursery-pigs-fed-commercially-available-lipids
#19
S C Lindblom, W A Dozier, G C Shurson, B J Kerr
An experiment was conducted to evaluate the impact of lipid source on GE and ether extract (EE) digestibility, oxidative stress, and gut integrity in nursery pigs fed diets containing 10% soybean oil (SO), choice white grease (CWG), palm oil (PO), distillers' corn oil with approximately 5% FFA (DCO-1), or distillers' corn oil with approximately 10% FFA (DCO-2). Fifty-four barrows weaned at 28 d of age were fed a common starter diet for 7 d, group fed their respective experimental diets for an additional 7 d, and then moved to metabolism crates and individually fed their respective diets for another 10 d...
January 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28176905/effect-of-roll-compaction-on-granule-size-distribution-of-microcrystalline-cellulose-mannitol-mixtures-computational-intelligence-modeling-and-parametric-analysis
#20
Pezhman Kazemi, Mohammad Hassan Khalid, Ana Pérez Gago, Peter Kleinebudde, Renata Jachowicz, Jakub Szlęk, Aleksander Mendyk
Dry granulation using roll compaction is a typical unit operation for producing solid dosage forms in the pharmaceutical industry. Dry granulation is commonly used if the powder mixture is sensitive to heat and moisture and has poor flow properties. The output of roll compaction is compacted ribbons that exhibit different properties based on the adjusted process parameters. These ribbons are then milled into granules and finally compressed into tablets. The properties of the ribbons directly affect the granule size distribution (GSD) and the quality of final products; thus, it is imperative to study the effect of roll compaction process parameters on GSD...
2017: Drug Design, Development and Therapy
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