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https://www.readbyqxmd.com/read/28444991/new-hydrazides-and-hydrazide-hydrazones-of-2-3-dihalogen-substituted-propionic-acids-synthesis-and-in-vitro-antimicrobial-activity-evaluation
#1
Łukasz Popiołek, Anna Biernasiuk
The main aim of this research was the synthesis, spectral identification and in vitro antimicrobial evaluation of new hydrazides and hydrazide-hydrazones of 2,3-dihalogen substituted propionic acids. New hydrazides were obtained by the substitution reaction of appropriate ethyl esters of 2,3-dihalogen substituted propionic acids with hydrazine hydrate. Then obtained hydrazides were subjected to condensation reaction with various aldehydes which yielded with new hydrazide-hydrazone derivatives. All obtained compounds were identified on the basis of spectral methods ((1) H NMR, (13) C NMR) and in vitro screened against a panel of bacterial and fungal strains according to EUCAST and CLSI guidelines...
April 26, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28444841/the-effect-of-grapeseed-oil-on-performance-rumen-fermentation-antioxidant-status-and-subcutaneous-adipose-fatty-acid-profile-in-lambs
#2
M Sharifi, M Bashtani, A A Naserian, H Farhangfar, A Emami
This experiment was carried out to examine the effect of grapeseed oil (GSO) on performance, rumen fermentation, antioxidant status and subcutaneous adipose fatty acid (FA) profile in lambs. Eighteen Baluchi lambs, 196 ± 14 days of age and 39.8 ± 1.7 kg body weight, were randomly assigned to three experimental diets: (i) diet without GSO (control), (ii) diet containing 2% of GSO (GSO2) and (iii) diet containing 4% of GSO (GSO4) for 42 days. Results showed that the experimental diets had no significant effect on dry matter intake and performance (p > 0...
April 26, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28444804/effect-of-resistant-starch-on-the-intestinal-health-of-old-dogs-fermentation-products-and-histological-features-of-the-intestinal-mucosa
#3
M C Peixoto, É M Ribeiro, A P J Maria, B A Loureiro, L G di Santo, T C Putarov, F N Yoshitoshi, G T Pereira, L R M Sá, A C Carciofi
The effects of resistant starch (RS) intake on nutrient digestibility, microbial fermentation products, faecal IgA, faecal pH, and histological features of the intestinal mucosa of old dogs were evaluated. The same formulation was extruded in two different conditions: one to obtain elevated starch cooking degree with low RS content (0.21%) and the other lower starch cooking with high RS content (1.46%). Eight geriatric Beagles (11.5 ± 0.38 years old) were fed each diet for 61 days in a crossover design...
April 26, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28443284/fecal-short-chain-fatty-acid-variations-by-breastfeeding-status-in-infants-at-4%C3%A2-months-differences-in-relative-versus-absolute-concentrations
#4
Sarah L Bridgman, Meghan B Azad, Catherine J Field, Andrea M Haqq, Allan B Becker, Piushkumar J Mandhane, Padmaja Subbarao, Stuart E Turvey, Malcolm R Sears, James A Scott, David S Wishart, Anita L Kozyrskyj
Our gut microbiota provide a number of important functions, one of which is the metabolism of dietary fiber and other macronutrients that are undigested by the host. The main products of this fermentation process are short-chain fatty acids (SCFAs) and other intermediate metabolites including lactate and succinate. Production of these metabolites is dependent on diet and gut microbiota composition. There is increasing evidence for the role of SCFAs in host physiology and metabolic processes as well as chronic inflammatory conditions such as allergic disease and obesity...
2017: Frontiers in Nutrition
https://www.readbyqxmd.com/read/28442578/multicentre-non-interventional-study-to-assess-the-profile-of-patients-with-uncontrolled-rhinitis-prescribed-a-novel-formulation-of-azelastine-hydrochloride-and-fluticasone-propionate-in-a-single-spray-in-routine-clinical-practice-in-the-uk
#5
Glenis Scadding, David Price, Tariq El-Shanawany, Shahzada Ahmed, Jaydip Ray, Ravishankar Sargur, Nirmal Kumar
OBJECTIVE: The aims of this study were (1) to characterise the type of patient prescribed MP-AzeFlu (Dymista, a novel formulation of azelastine hydrochloride, fluticasone propionate and excipients in a single spray) in real life in the UK and physicians' reasons for prescribing it and (2) to quantify the personal and societal burden of allergic rhinitis (AR) in the UK prior to MP-AzeFlu prescription. DESIGN, SETTING AND PARTICIPANTS: This multicentre, non-interventional study enrolled patients (n=193) with moderate-to-severe AR and acute symptoms who were eligible to receive treatment with MP-AzeFlu according to its licensed indications...
April 24, 2017: BMJ Open
https://www.readbyqxmd.com/read/28442196/mechanism-of-neuronal-activity-and-synaptic-transmission-in-rostral-ventrolateral-medulla
#6
Liangchen Zhao, Tianji Liu, Rutao Xu, Liu He, Man Duan, Dejun Xu
Rostral ventrolateral medulla (RVLM) plays an essential role in blood pressure homeostasis. This study was aimed to investigate the mechanism of neuronal activity and synaptic transmission in the RVLM. Medulla oblongata slices were carefully obtained from brainstem of rats. With continues perfusion of artificial cerebrospinal fluid (ACSF), the spontaneous firing of slices and amplitudes were assayed by conventional whole cell patch-clamp recording after addition of gamma-aminobutyric acid (GABA), α-amino-3-hydroxy-5-methyl-4-isoxazole propionate (AMPA) and N-methyl d-aspartate (NMDA)...
April 22, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28437706/three-phases-in-ph-dependent-heme-abstraction-from-myoglobin
#7
Sohini Mukherjee, Manjistha Mukherjee, Sabyasachi Bandyopadhyay, Abhishek Dey
The extent of heme extraction from myoglobin (Mb) by methylethyl ketone is found to be pH dependent and show three distinct phases. Parallel investigations of the protein using resonance Raman (rR) and circular dichroism (CD) across these pH regions indicate that these phases correspond to three different protonation steps in holoMb as the pH of the solution changed. The first transition occurs between pH5-6 and is due to the protonation of one of the heme propionate groups which disrupts its H-bonding with Arg 45 in the loop...
April 9, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28437455/effect-of-a-probiotic-beverage-consumption-enterococcus-faecium-crl-183-and-bifidobacterium-longum-atcc-15707-in-rats-with-chemically-induced-colitis
#8
Larissa Sbaglia Celiberto, Raquel Bedani, Naiara Naiana Dejani, Alexandra Ivo de Medeiros, José Antonio Sampaio Zuanon, Luis Carlos Spolidorio, Maria Angela Tallarico Adorno, Maria Bernadete Amâncio Varesche, Fábio Carrilho Galvão, Sandro Roberto Valentini, Graciela Font de Valdez, Elizeu Antonio Rossi, Daniela Cardoso Umbelino Cavallini
BACKGROUND: Some probiotic strains have the potential to assist in relieving the symptoms of inflammatory bowel disease. The impact of daily ingestion of a soy-based product fermented by Enterococcus faecium CRL 183 and Lactobacillus helveticus 416 with the addition of Bifidobacterium longum ATCC 15707 on chemically induced colitis has been investigated thereof within a period of 30 days. METHODS: Colitis was induced by dextran sulfate sodium. The animals were randomly assigned into five groups: Group C: negative control; Group CL: positive control; Group CLF: DSS with the fermented product; Group CLP: DSS with the non-fermented product (placebo); Group CLS: DSS with sulfasalazine...
2017: PloS One
https://www.readbyqxmd.com/read/28436589/short-chain-fatty-acids-augment-rat-duodenal-mucosal-barrier-function
#9
Wan Salman Wan Saudi, Markus Sjöblom
Short-chain fatty acids (SCFAs) are produced by bacterial fermentation in the large intestine, particularly from diets containing fibres and carbohydrates. The small intestinal epithelium is exposed to SCFAs derived mainly from oral bacteria or food supplementation. Although luminal nutrients are important in regulation of intestinal functions the role of SCFAs in regulation of small intestinal mucosal barrier function and motility has not been fully described. The aim of the present study was to elucidate the effects of acetate and propionate on duodenal mucosal barrier function and motility...
April 24, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28435195/intestinal-microbial-ecology-and-hematological-parameters-of-broiler-fed-cassava-waste-pulp-fermented-with-acremonium-charticola
#10
Sugiharto Sugiharto, Turrini Yudiarti, Isroli Isroli, Endang Widiastuti, Fatan Dwi Putra
AIM: The aim of this study was to evaluate the effect of feeding Acremonium charticola-fermented cassava pulp (AC-FCP) on the intestinal microbial ecology and hematological indices of broiler chickens. MATERIALS AND METHODS: A total of 240 male Lohman day-old-chicks were randomly allotted to one of the four experimental diets including control diet, control diet + antimicrobials (neomycin; 300 mg/kg diet), diet containing AC-FCP (16 g/100 g diet) or diet containing AC-FCP + antimicrobials...
March 2017: Veterinary World
https://www.readbyqxmd.com/read/28434633/echocardiographic-evaluation-of-left-ventricular-mass-index-in-children-with-hypospadias-after-hormonal-stimulation-with-topical-testosterone-a-randomized-controlled-trial
#11
Elisabeth Campos de Andrade, Kelly Christina de Castro Paiva, Sarah da Silva Guedes, Mariana Lima C Souza, Marina Novellino Pereira, Laura Pimenta Miana, André Avarese de Figueiredo, José de Bessa, José Murillo B Netto
INTRODUCTION: Testosterone is often used in the preoperative period of hypospadias surgery. Previous studies have demonstrated the presence of androgen receptors in cardiac myocytes that can modulate the phenotype. The use of supraphysiological doses of androgens can lead to toxicity on the heart muscle and, in some cases, to left ventricular hypertrophy. This randomized double blind controlled clinical trial aims to evaluate the effect of topical testosterone on left ventricular mass index in boys with hypospadias...
April 10, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28434228/rapid-biodegradation-of-the-herbicide-2-4-dichlorophenoxyacetic-acid-by-cupriavidus-gilardii-t-1
#12
Xiangwei Wu, Wenbo Wang, Junwei Liu, Dandan Pan, Xiaohui Tu, Pei Lv, Yi Wang, Haiqun Cao, Yawen Wang, Rimao Hua
Phytotoxicity and environmental pollution of residual herbicides have caused much public concern during the past several decades. An indigenous bacterial strain capable of degrading 2,4-dichlorophenoxyacetic acid (2,4-D), designated T-1, was isolated from soybean field soil and identified as Cupriavidus gilardii. The strain T-1 degraded 2,4-D 3.39 times faster than the model strain Cupriavidus necator JMP134. T-1 could also efficiently degrade 2-methyl-4-chloro-phenoxyacetic acid (MCPA), MCPA isooctyl ester, and 2-(2,4-dicholrophenoxy)-propionic acid (2,4-DP)...
April 24, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28434033/the-gut-microbiome-as-a-target-for-prevention-and-treatment-of-hyperglycaemia-in-type-2-diabetes-from-current-human-evidence-to-future-possibilities
#13
REVIEW
Louise Brunkwall, Marju Orho-Melander
The totality of microbial genomes in the gut exceeds the size of the human genome, having around 500-fold more genes that importantly complement our coding potential. Microbial genes are essential for key metabolic processes, such as the breakdown of indigestible dietary fibres to short-chain fatty acids, biosynthesis of amino acids and vitamins, and production of neurotransmitters and hormones. During the last decade, evidence has accumulated to support a role for gut microbiota (analysed from faecal samples) in glycaemic control and type 2 diabetes...
April 22, 2017: Diabetologia
https://www.readbyqxmd.com/read/28432770/chiral-separation-of-aryloxyphenoxy-propionate-herbicides-in-a-permethyl-%C3%AE-cyclodextrin-based-column-influence-of-temperature-and-mobile-phase-composition-on-enantioselectivity
#14
Ester Lubomirsky, Héctor Di Loreto, Juan M Padró, Cecilia B Castells
We used a permethyl-β-cyclodextrin chiral stationary phase under reversed-phase conditions for the chiral separation of four aryloxyphenoxy-propionate herbicides (fenoxaprop-p-ethyl, quizalofop-p-ethyl and tefuryl and haloxyfop-p-methyl) with mixtures of methanol, ethanol, 2-propanol, n-propanol, tert-butanol, or acetonitrile and water as mobile phases and investigated the influence of mobile phase composition and column temperature (from 0 to 50 °C) on the separation. The retention factors (k) and selectivity factors (α) of all the herbicides investigated decreased with increasing temperature...
April 22, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28432721/emollients-and-moisturisers-for-eczema-abridged-cochrane-systematic-review-including-grade-assessments
#15
REVIEW
E J van Zuuren, Z Fedorowicz, B W M Arents
Eczema is a chronic inflammatory skin disorder with considerable impact on quality of life. Emollients or moisturisers are widely recommended, but are these effective and safe? We searched for randomised controlled trials (RCTs) in the Cochrane Skin Group Specialised Register, CENTRAL in The Cochrane Library, Medline, Embase, LILACS, GREAT database and five trial registers to December 2015. We included 77 RCTs with 6603 participants. Seven studies (9.1%) were at low risk of bias, 34 (44.2%) at unclear and 36 (46...
April 22, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28432098/inhibitory-effect-of-coumarin-on-syntrophic-fatty-acid-oxidizing-and-methanogenic-cultures-and-biogas-reactor-microbiomes
#16
Denny Popp, Caroline M Plugge, Sabine Kleinsteuber, Hauke Harms, Heike Sträuber
Coumarins are widely found in plants as natural constituents having antimicrobial activity. When considering plants rich in coumarins for biogas production, adverse effects on microorganisms driving the anaerobic digestion process are expected. Furthermore, coumarin derivatives like warfarin, which are used as anti-coagulating medicine, are found in wastewater affecting its treatment. Coumarin as the structure common to all coumarins inhibits the anaerobic digestion process. However, details of this inhibition are still elusive...
April 21, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28431319/response-of-plasma-glucagon-like-peptide-2-to-feeding-pattern-and-intraruminal-administration-of-volatile-fatty-acids-in-sheep
#17
M Elsabagh, Y Inabu, T Obitsu, T Sugino
Glucagon-like peptide-2 (GLP-2), a gut peptide secreted by enteroendocrine L cells, has recently been identified as a key regulator of intestinal growth and absorptive function in ruminants. However, reports on GLP-2 secretion are few, and more information regarding its secretion dynamics is needed. In this study, two experiments were conducted to elucidate the daily rhythm of GLP-2 secretion in response to feeding regimen and to investigate the effect of volatile fatty acids (VFA) on GLP-2 release in sheep...
March 11, 2017: Domestic Animal Endocrinology
https://www.readbyqxmd.com/read/28430451/remote-asymmetric-bromination-reaction-with-vinylketene-silyl-n-o-acetal-and-its-application-to-total-synthesis-of-pellasoren-a
#18
Shinji Sekiya, Mao Okumura, Kei Kubota, Tatsuya Nakamura, Daisuke Sekine, Seijiro Hosokawa
Stereoselective bromination of the E,E-vinylketene silyl N,O-acetal possessing a chiral auxiliary has been achieved and applied to introduction of heteroatom at γ-position of α,β-unsaturated imide. The reactions proceeded in high stereoselectivity. Total synthesis of pellasoren A, an antitumor propionate from the myxobacteriun Sorangium cellulosum, has been accomplished in short steps by this methodology and our method of reduced polypropionate synthesis.
April 21, 2017: Organic Letters
https://www.readbyqxmd.com/read/28427545/corrigendum-to-efficacy-and-safety-comparison-fluticasone-furoate-and-fluticasone-propionate-after-step-down-from-fluticasone-furoate-vilanterol-in-japanese-patients-with-well-controlled-asthma-a-randomized-trial-respir-med-120-november-2016-78-86
#19
https://www.readbyqxmd.com/read/28425937/gamma-aminobutyric-acid-increases-the-production-of-short-chain-fatty-acids-and-decreases-ph-values-in-mouse-colon
#20
Min Xie, Hai-Hong Chen, Shao-Ping Nie, Jun-Yi Yin, Ming-Yong Xie
Gamma-Aminobutyric acid (GABA) could regulate physiological functions in the gastrointestinal tract. The present study aimed to investigate the effect of GABA on colon health in mice. The female Kunming mice were given GABA at doses of 5, 10, 20 and 40 mg/kg/d for 14 days. Afterwards, the short-chain fatty acids (SCFAs) concentrations, pH values, colon index, colon length and weight of colonic and cecal contents were determined to evaluate the effects of GABA on colon health. The results showed that intake of GABA could increase the concentrations of acetate, propionate, butyrate and total SCFAs in colonic and cecal contents, as well as the weight of colonic and cecal contents...
April 20, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
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