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https://www.readbyqxmd.com/read/28230818/post-chornobyl-remote-radiation-effects-on-human-sperm-and-seminal-plasma-characteristics
#1
S V Andreychenko, A V Klepko, L V Gorban, O A Motryna, L V Grubska, O V Trofimenko
AIM: The research was aimed on analysis of the remote consequences of Chornobyl accident on the reproductive function of men adult residing in Ukraine. MATERIALS AND METHODS: 232 male volunteers with mean age of 34 years (range 20-47) from 5 different regions of Ukraine (Zhytomyr, Ivano-Frankivsk, Kyiv, Poltava, and Kyiv city) were enrolled in cross-sectional studies of long term radiation effects on seminal plasma and sperm. All manipulations, analysis and classification of ejaculates were done accordingly to WHO recommendations...
December 2016: Experimental Oncology
https://www.readbyqxmd.com/read/28230765/metabolic-effects-of-glucose-fructose-co-ingestion-compared-to-glucose-alone-during-exercise-in-type-1-diabetes
#2
Lia Bally, Patrick Kempf, Thomas Zueger, Christian Speck, Nicola Pasi, Carlos Ciller, Katrin Feller, Hannah Loher, Robin Rosset, Matthias Wilhelm, Chris Boesch, Tania Buehler, Ayse S Dokumaci, Luc Tappy, Christoph Stettler
This paper aims to compare the metabolic effects of glucose-fructose co-ingestion (GLUFRU) with glucose alone (GLU) in exercising individuals with type 1 diabetes mellitus. Fifteen male individuals with type 1 diabetes (HbA1c 7.0% ± 0.6% (53 ± 7 mmol/mol)) underwent a 90 min iso-energetic continuous cycling session at 50% VO2max while ingesting combined glucose-fructose (GLUFRU) or glucose alone (GLU) to maintain stable glycaemia without insulin adjustment. GLUFRU and GLU were labelled with (13)C-fructose and (13)C-glucose, respectively...
February 21, 2017: Nutrients
https://www.readbyqxmd.com/read/28230746/oxidation-of-5-chloromethylfurfural-cmf-to-2-5-diformylfuran-dff
#3
Ana I Vicente, Jaime A S Coelho, Svilen P Simeonov, Hristina I Lazarova, Margarita D Popova, Carlos A M Afonso
2,5-Diformylfuran (DFF) is an important biorenewable building block, namely for the manufacture of new polymers that may replace existing materials derived from limited fossil fuel resources. The current reported methods for the preparation of DFF are mainly derived from the oxidation of 5-hydroxymethylfurfural (HMF) and, to a lesser extent, directly from fructose. 5-Chloromethylfurfural (CMF) has been considered an alternative to HMF as an intermediate building block due to its advantages regarding stability, polarity, and availability from glucose and cellulose...
February 20, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28230742/fructose%C3%A2-and%C3%A2-sucrose%C3%A2-intake%C3%A2-increase%C3%A2-exogenous%C3%A2-carbohydrate%C3%A2-oxidation%C3%A2-during%C3%A2-exercise
#4
Jorn Trommelen, Cas J Fuchs, Milou Beelen, Kaatje Lenaerts, Asker E Jeukendrup, Naomi M Cermak, Luc J C van Loon
Peak exogenous carbohydrate oxidation rates typically reach ~1 g∙min-1 during exercise when ample glucose or glucose polymers are ingested. Fructose co-ingestion has been shown to further increase exogenous carbohydrate oxidation rates. The purpose of this study was to assess the impact of fructose co-ingestion provided either as a monosaccharide or as part of the disaccharide sucrose on exogenous carbohydrate oxidation rates during prolonged exercise in trained cyclists. Ten trained male cyclists (VO2peak: 65 ± 2 mL∙kg-1∙min-1) cycled on four different occasions for 180 min at 50% Wmax during which they consumed a carbohydrate solution providing 1...
February 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28229551/erratum-effects-of-roux-en-y-gastric-bypass-surgery-on-postprandial-fructose-metabolism
#5
Anna Surowska, Sara De Giorgi, Fanny Theytaz, Vanessa Campos, Leanne Hodson, Nathalie Stefanoni, Valentine Rey, Philippe Schneiter, Martine Laville, Vittorio Giusti, Laure Gabert, Luc Tappy
No abstract text is available yet for this article.
March 2017: Obesity
https://www.readbyqxmd.com/read/28224923/high-throughput-sequencing-reveals-modulation-of-micrornas-in-vigna-mungo-upon-mungbean-yellow-mosaic-india-virus-inoculation-highlighting-stress-regulation
#6
Anirban Kundu, Sujay Paul, Avishek Dey, Amita Pal
MicroRNAs (miRNAs) are 20-24 nucleotides long non-coding RNAs known to play important regulatory roles during biotic and abiotic stresses by controlling gene expression. Blackgram (Vigna mungo), an economically important grain legume is highly susceptible to pathogenic begomovirus Mungbean Yellow Mosaic India Virus (MYMIV) and resulting in high yield loss. In this study two different leaf-small-RNA libraries were prepared from the pooled RNA at three different time points of resistant V. mungo inbred line VM84 inoculated either with viruliferous or non-viruliferous whiteflies carrying MYMIV and performed high-throughput Illumina sequencing...
April 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28224250/abscisic-acid-sucrose-and-auxin-coordinately-regulate-berry-ripening-process-of-the-fujiminori-grape
#7
Haifeng Jia, Zhenqiang Xie, Chen Wang, Lingfei Shangguan, Ning Qian, Mengjie Cui, Zhongjie Liu, Ting Zheng, Mengqi Wang, Jinggui Fang
The aim of this study was to examine the effect of abscisic acid (ABA), sucrose, and auxin on grape fruit development and to assess the mechanism of these three factors on the grape fruit ripening process. Different concentrations of ABA, sucrose, and auxin were used to treat the grape fruit, and the ripening-related indices, such as physiological and molecular level parameters, were analyzed. The activity of BG protein activity was analyzed during the fruit development. Sucrose, ABA, and auxin influenced the grape fruit sugar accumulation in different ways, as well as the volatile compounds, anthocyanin content, and fruit firmness...
February 21, 2017: Functional & Integrative Genomics
https://www.readbyqxmd.com/read/28224182/parp-inhibition-ameliorates-nephropathy-in-an-animal-model-of-type-2-diabetes-focus-on-oxidative-stress-inflammation-and-fibrosis
#8
Esraa M Zakaria, Nabila N El-Maraghy, Ahmed F Ahmed, Abdelmonim A Ali, Hany M El-Bassossy
Poly(ADP-ribose) polymerase (PARP) enzyme contributes to nephropathy, a serious diabetic complication which may lead to end-stage renal disease. The study aims to investigate the effect of PARP over-activation on kidney functions in a type 2 diabetic rat model. The study also tests the therapeutic use of PARP inhibitors in diabetic nephropathy. Type 2 diabetes was induced in adult male rats by high-fructose/high-fat diet and low streptozotocin dose. Then, the PARP inhibitor 4-aminobenzamide (4-AB) was administered daily for 10 weeks...
February 21, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/28223362/mechanistic-insights-into-the-allosteric-regulation-of-bacterial-adp-glucose-pyrophosphorylases
#9
Natalia Comino, Javier Cifuente, Alberto Marina, Ane Orrantia, Ander Eguskiza, Marcelo E Guerin
ADP-glucose pyrophosphorylase (AGPase) controls bacterial glycogen and plant starch biosynthetic pathways, the most common carbon storage polysaccharides in nature. AGPase activity is allosterically regulated by a series of metabolites in the energetic flux within the cell. Very recently, we reported the first crystal structures of the paradigmatic AGPase from Escherichia coli (EcAGPase) in complex with its preferred physiological negative and positive allosteric regulators, adenosine-5'-monophosphate (AMP) and fructose-1,6-bisphosphate (FBP), respectively...
February 21, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28222695/evolution-and-expression-of-the-fructokinase-gene-family-in-saccharum
#10
Yihong Chen, Qing Zhang, Weichang Hu, Xingtan Zhang, Liming Wang, Xiuting Hua, Qingyi Yu, Ray Ming, Jisen Zhang
BACKGROUND: Sugarcane is an important sugar crop contributing up to about 80% of the world sugar production. Efforts to characterize the genes involved in sugar metabolism at the molecular level are growing since increasing sugar content is a major goal in the breeding of new sugarcane varieties. Fructokinases (FRK) are the main fructose phosphorylating enzymes with high substrate specificity and affinity. RESULTS: In this study, by combining comparative genomics approaches with BAC resources, seven fructokinase genes were identified in S...
February 21, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28217536/analysis-of-sugars-and-ph-in-commercially-available-soft-drinks-in-saudi-arabia-with-a-brief-review-on-their-dental-implications
#11
Ali Mohamed Idris, Nandimandalam Venkata Vani, Dhafi A Almutari, Mohammed A Jafar, Nezar Boreak
OBJECTIVE: To determine the amount of sugar and pH in commercially available soft drinks in Jazan, Saudi Arabia. This was further compared with their labeled values in order to inform the regulations. The effects of these drinks on teeth is reviewed. MATERIALS AND METHODS: Ten brands of popular soft drinks including 6 regular carbonated drinks and 4 energy drinks were obtained from the local markets. Their pH was determined using a pH meter. The amount of total sugar, glucose, fructose, and sucrose was estimated using high performance liquid chromatography (using Dionex ICS 5000 ion chromatography) at the Saudi Food and Drug Authority...
December 2016: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/28216550/the-acute-effects-of-simple-sugar-ingestion-on-appetite-gut-derived-hormone-response-and-metabolic-markers-in-men
#12
Adora M W Yau, John McLaughlin, William Gilmore, Ronald J Maughan, Gethin H Evans
This pilot study aimed to investigate the effect of simple sugar ingestion, in amounts typical of common ingestion, on appetite and the gut-derived hormone response. Seven healthy men ingested water (W) and equicaloric solutions containing 39.6 g glucose monohydrate (G), 36 g fructose (F), 36 g sucrose (S), and 19.8 g glucose monohydrate + 18 g fructose (C), in a randomised order. Serum concentrations of ghrelin, glucose dependent insulinotropic polypeptide (GIP), glucagon like peptide-1 (GLP-1), insulin, lactate, triglycerides, non-esterified fatty acids (NEFA), and d-3 hydroxybutyrate, were measured for 60 min...
February 14, 2017: Nutrients
https://www.readbyqxmd.com/read/28215170/derivatives-of-6-nitrobenzimidazole-inhibit-fructose-mediated-protein-glycation-and-intracellular-reactive-oxygen-species-production
#13
Humera Jahan, Muhammad Iqbal Choudhary, Zarbad Shah, Khalid M Khan, Atta-Ur-Rahman
BACKGROUND: Benzimidazoles are important pharmacophores in drug discovery. Several of them are currently used drugs, such as flubendazole, omeprazole, and astemizole for the treatment of anthelmintic, antiulcerative, and antihistaminic diseases, respectively. OBJECTIVES: The aim of the current study was to study the antiglycation activity of nitrobenzimidazole derivatives against fructose-mediated human serum albumin (HSA) glycation. The study was also aimed to investigate effects of newly identified antiglycation inhibitors on AGEs-induced intracellular reactive oxygen species production, and associated impaired proliferation of the hepatocytes...
February 16, 2017: Medicinal Chemistry
https://www.readbyqxmd.com/read/28214020/serum-uric-acid-concentrations-and-fructose-consumption-are-independently-associated-with-nash-in-children-and-adolescents
#14
Antonella Mosca, Valerio Nobili, Rita De Vito, Annalisa Crudele, Eleonora Scorletti, Alberto Villani, Anna Alisi, Christopher D Byrne
BACKGROUND & AIMS: Recent research has suggested that dietary fructose intake may increase serum uric acid (UA) concentrations. Both UA concentration and fructose consumption maybe also increase in NAFLD. It is not known whether dietary fructose consumption and UA concentration are independently associated with non-alcoholic steatohepatitis (NASH). Our aim was to investigate the factors associated with NASH in children and adolescents with proven NAFLD, and to test whether UA concentrations and fructose consumption are independently associated with NASH...
February 6, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28213736/6-phosphofructokinase-and-ribulose-5-phosphate-3-epimerase-in-methylotrophic-bacillus-methanolicus-ribulose-monophosphate-cycle
#15
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/28213289/quercetin-and-pioglitazone-synergistically-reverse-endothelial-dysfunction-in-isolated-aorta-from-fructose-streptozotocin-f-stz-induced-diabetic-rats
#16
Thubasni Kunasegaran, Mohd Rais Mustafa, Francis I Achike, Dharmani Devi Murugan
Pioglitazone is an anti-diabetic drug with potential to cause adverse effects following prolonged use. This study, therefore, investigated the effects of combination treatment of a subliminal concentration of pioglitazone and quercetin, a potent antioxidant, on vascular reactivity of aorta isolated from fructose-streptozotocin (F-STZ)-induced diabetic rats. Relaxation to acetylcholine and sodium nitroprusside, and contraction to phenylephrine were tested in organ bath chambers following pre-incubation with vehicle (DMSO; 0...
February 16, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28213261/a-method-for-the-analysis-of-sugars-in-biological-systems-using-reductive-amination-in-combination-with-hydrophilic-interaction-chromatography-and-high-resolution-mass-spectrometry
#17
Sami Bawazeer, Ali Muhsen Ali, Aliyah Alhawiti, Abedawn Khalaf, Colin Gibson, Jonans Tusiimire, David G Watson
Separation of sugar isomers extracted from biological samples is challenging because of their natural occurrence as alpha and beta anomers and, in the case of hexoses, in their pyranose and furanose forms. A reductive amination method was developed for the tagging of sugars with the aim of it becoming part of a metabolomics work flow. The best separation of the common hexoses (glucose, fructose, mannose and galactose) was achieved when (2)H5-aniline was used as the tagging reagent in combination with separation on a ZICHILIC column...
May 1, 2017: Talanta
https://www.readbyqxmd.com/read/28212383/novel-molecular-structural-and-evolutionary-characteristics-of-the-phosphoketolases-from-bifidobacteria-and-coriobacteriales
#18
Radhey S Gupta, Anish Nanda, Bijendra Khadka
Members from the order Bifidobacteriales, which include many species exhibiting health promoting effects, differ from all other organisms in using a unique pathway for carbohydrate metabolism, known as the "bifid shunt", which utilizes the enzyme phosphoketolase (PK) to carry out the phosphorolysis of both fructose-6-phosphate (F6P) and xylulose-5-phosphate (X5P). In contrast to bifidobacteria, the PKs found in other organisms (referred to XPK) are able to metabolize primarily X5P and show very little activity towards F6P...
2017: PloS One
https://www.readbyqxmd.com/read/28212335/fructose-in-breast-milk-is-positively-associated-with-infant-body-composition-at-6-months-of-age
#19
Michael I Goran, Ashley A Martin, Tanya L Alderete, Hideji Fujiwara, David A Fields
Dietary sugars have been shown to promote excess adiposity among children and adults; however, no study has examined fructose in human milk and its effects on body composition during infancy. Twenty-five mother-infant dyads attended clinical visits to the Oklahoma Health Sciences Center at 1 and 6 months of infant age. Infants were exclusively breastfed for 6 months and sugars in breast milk (i.e., fructose, glucose, lactose) were measured by Liquid chromatography-mass spectrometry (LC-MS/MS) and glucose oxidase...
February 16, 2017: Nutrients
https://www.readbyqxmd.com/read/28212191/endothelial-cell-metabolism-an-update-anno-2017
#20
Laure-Anne Teuwen, Nihed Draoui, Charlotte Dubois, Peter Carmeliet
PURPOSE OF REVIEW: Endothelial cell metabolism has recently emerged as an important coregulator of angiogenesis and is therefore a promising new target in various angiogenesis-associated illnesses, like cancer. In this review, we discuss recent insights in endothelial cell metabolism in both physiological and pathological conditions and discuss possible translational implications. RECENT FINDINGS: Two metabolic pathways that determine the performance of endothelial cells are glycolysis and fatty acid oxidation (FAO)...
February 15, 2017: Current Opinion in Hematology
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