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https://www.readbyqxmd.com/read/29150416/-bicarbonate-from-physiology-to-treatment-for-all-clinicians
#1
Julie Beaume, Antoine Braconnier, Thibault Dolley-Hitze, Jean-Philippe Bertocchio
Acid-base regulation is essential to maintain homeostasis in humans. Carbonic acid/bicarbonate (H2CO3/HCO3(-)) couple is the most predominant extracellular buffer to keep plasma pH within a physiological range. The ability to (re)generate such a buffer is a key milestone that necessitates to understand a precise physiology of both renal tubule and digestive tract. Here, we first reviewed renal and digestive cycles of bicarbonate in physiology. We also reviewed pathological findings where acid-base disequilibrium is involved and nutritional and/or alkali therapy could be necessary...
November 14, 2017: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/29150168/exploring-the-path-between-depression-anxiety-and-10-year-cardiovascular-disease-incidence-among-apparently-healthy-greek-middle-aged-adults-the-attica-study
#2
Natasa Kollia, Demosthenes Panagiotakos, Ekavi Georgousopoulou, Christina Chrysohoou, Mary Yannakoulia, Christodoulos Stefanadis, Somnath Chatterji, Josep Maria Haro, Charalabos Papageorgiou, Christos Pitsavos
OBJECTIVES: Although there is substantial evidence that psychological factors play an important role in the onset and course of cardiovascular disease (CVD), less is known about their combined effect and the pathways by which they affect cardiovascular health. The present work aimed to prospectively explore the effects of depression and anxiety on the 10-year CVD incidence, in relation to other lifestyle determinants, as linking factors in the context of the ATTICA study. Study design/Main outcome measures: The ATTICA study is a population-based, health and nutrition prospective cohort study (2002-2012), during which 853 middle-aged participants without a history of CVD [453 men (aged 45±13years) and 400 women (aged 44±18years)], underwent psychological evaluations at enrollment...
December 2017: Maturitas
https://www.readbyqxmd.com/read/29149943/endocrine-and-metabolic-alterations-in-sepsis-and-implications-for-treatment
#3
REVIEW
Catherine Ingels, Jan Gunst, Greet Van den Berghe
Sepsis induces profound neuroendocrine and metabolic alterations. During the acute phase, the neuroendocrine changes are directed toward restoration of homeostasis, and also limit unnecessary energy consumption in the setting of restricted nutrient availability. Such changes are probably adaptive. In patients not recovering quickly, a prolonged critically ill phase may ensue, with different neuroendocrine changes, which may represent a maladaptive response. Whether stress hyperglycemia should be aggressively treated or tolerated remains a matter of debate...
January 2018: Critical Care Clinics
https://www.readbyqxmd.com/read/29149845/early-nutritional-programming-affects-liver-transcriptome-in-diploid-and-triploid-atlantic-salmon-salmo-salar
#4
L M Vera, C Metochis, J F Taylor, M Clarkson, K H Skjærven, H Migaud, D R Tocher
BACKGROUND: To ensure sustainability of aquaculture, plant-based ingredients are being used in feeds to replace marine-derived products. However, plants contain secondary metabolites which can affect food intake and nutrient utilisation of fish. The application of nutritional stimuli during early development can induce long-term changes in animal physiology. Recently, we successfully used this approach to improve the utilisation of plant-based diets in diploid and triploid Atlantic salmon...
November 17, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29149476/clinical-parameters-before-and-after-the-transition-to-dialysis
#5
Dugan W Maddux, Len A Usvyat, Terry Ketchersid, Yue Jiao, Tommy C Blanchard, Peter Kotanko, Frank M van der Sande, Jeroen P Kooman, Franklin W Maddux
INTRODUCTION: The transition from pre-dialysis chronic kidney disease (CKD) to post-dialysis start is a critical period associated with high patient mortality and increased hospital admissions. Little is known about the trends of key clinical and laboratory parameters through this time of transition to start dialysis. METHODS: De-identified data including demographics, vital signs, lab results, and eGFR from the Fresenius Medical Care-CKD Registry were analyzed to determine trends in clinical and laboratory parameters through the time of transition from 12 months pre-dialysis start to 12 months post-dialysis start...
November 17, 2017: Hemodialysis International
https://www.readbyqxmd.com/read/29148930/use-of-mixed-oil-fat-emulsion-to-improve-intestinal-failure-associated-liver-disease-in-long-term-home-parenteral-nutrition-a-case-report
#6
Ryan T Hurt, Manpreet S Mundi
Home parenteral nutrition (HPN) is a life-saving therapy for patients who are not able to use their gastrointestinal tract. There are a number of complications associated with HPN, including metabolic bone disease, intestinal failure-associated liver disease (IFALD), and catheter-related bloodstream infections. We present a case of a 32-year-old HPN patient who initially developed biopsy-proven IFALD (total bilirubin, 2.4 mg/dL) while on long-term HPN. His HPN was initiated due to myopathic intestinal dysmotility and pseudo-obstruction when he was 15 years old...
November 1, 2017: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29148052/influence-of-the-addition-of-soy-product-and-wheat-fibre-on-rheological-textural-and-other-quality-characteristics-of-pizza
#7
Virginia Glicerina, Federica Balestra, Francesco Capozzi, Marco Dalla Rosa, Santina Romani
The effect of partial replacement of wheat flour with soy-paste and wheat fibre on rheological, textural, physico-chemical and organoleptic characteristics of an enriched pizza base (E) was investigated in comparison with those of a control pizza base (C). New ingredients (e.g. enriched cooked ham, whey cheese and tomato sauce realized using food industry by-products) were also used in E pizza topping to further increase its nutritional properties. Enriched dough was developed first at a laboratory level. Large and small deformation, moisture, leavening activity and metabolic heat were tested...
November 17, 2017: Journal of Texture Studies
https://www.readbyqxmd.com/read/29148022/hemodialysis-versus-peritoneal-dialysis-an-observational-study-in-two-international-centers
#8
Renhua Lu, Carla Estremadoyro, Xiaohuan Chen, Mingli Zhu, Leonardo C Ribeiro, Yucheng Yan, Alessandra Brendolan, Wei Fang, Carlo Crepaldi, Zhaohui Ni, Leyi Gu, Claudio Ronco
INTRODUCTION: Given that it is difficult to randomize end-stage renal disease (ESRD) patients to either hemodialysis (HD) or peritoneal dialysis (PD), differences between these renal replacement therapy (RRT) modalities are of major interest and remain controversial. METHODS: All data on maintenance dialysis patients during 2009 to 2013 in the Renji Hospital in Shanghai, China and in the San Bortolo Hospital in Vicenza, Italy were selected. Patients who changed their therapy from HD to PD or PD to HD during this study were excluded...
November 8, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/29147985/deciphering-the-growth-organic-acid-exudations-and-ionic-homeostasis-of-amaranthus-viridis-l-and-portulaca-oleracea-l-under-lead-chloride-stress
#9
Muhammad Tariq Javed, Muhammad Sohail Akram, Noman Habib, Kashif Tanwir, Qasim Ali, Nabeel Khan Niazi, Huma Gul, Naeem Iqbal
Lead (Pb) stress adversely affects in planta nutrient homeostasis and metabolism when present at elevated concentration in the surrounding media. The present study was aimed at investigation of organic acid exudations, elemental contents, growth, and lipid peroxidation in two wild plants (Amaranthus viridis L. and Portulaca oleracea L.), exhibiting differential root to shoot Pb translocation, under Pb stress. Plants were placed in soil spiked with lead chloride (PbCl2) concentrations of 0, 15, 30, 45, or 60 mg Pb/kg soil, in rhizoboxes supplied with nylon nets around the roots...
November 16, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29147976/evaluation-of-microbial-consortia-and-chemical-changes-in-spontaneous-maize-bran-fermentation
#10
Marilù Decimo, Mattia Quattrini, Giovanni Ricci, Maria Grazia Fortina, Milena Brasca, Tiziana Silvetti, Federica Manini, Daniela Erba, Franca Criscuoli, Maria Cristina Casiraghi
Sustainable exploitation of agro-industrial by-products has attracted great interest in cereal bran valorization. In this research, a polyphasic approach has been carried out to characterize maize bran at microbiological and chemical level during a sourdough like fermentation process, in order to enhance its technological and nutritional properties. Autochthonous microbiota was isolated at different refreshment steps and subjected to identification and molecular characterization. Fermentation was characterized by a rapid increase in lactic acid bacteria and yeasts, with a co-dominance, at the initial stage, of Weissella spp...
November 16, 2017: AMB Express
https://www.readbyqxmd.com/read/29146766/lipid-droplet-biogenesis-is-spatially-coordinated-at-er-vacuole-contacts-under-nutritional-stress
#11
Hanaa Hariri, Sean Rogers, Rupali Ugrankar, Yang Lydia Liu, J Ryan Feathers, W Mike Henne
Eukaryotic cells store lipids in cytosolic organelles known as lipid droplets (LDs). Lipid droplet bud from the endoplasmic reticulum (ER), and may be harvested by the vacuole for energy during prolonged periods of starvation. How cells spatially coordinate LD production is poorly understood. Here, we demonstrate that yeast ER-vacuole contact sites (NVJs) physically expand in response to metabolic stress, and serve as sites for LD production. NVJ tether Mdm1 demarcates sites of LD budding, and interacts with fatty acyl-CoA synthases at the NVJ periphery...
November 16, 2017: EMBO Reports
https://www.readbyqxmd.com/read/29145892/association-between-plasma-phospholipid-saturated-fatty-acids-and-metabolic-markers-of-lipid-hepatic-inflammation-and-glycaemic-pathways-in-eight-european-countries-a-cross-sectional-analysis-in-the-epic-interact-study
#12
Ju-Sheng Zheng, Stephen J Sharp, Fumiaki Imamura, Albert Koulman, Matthias B Schulze, Zheng Ye, Jules Griffin, Marcela Guevara, José María Huerta, Janine Kröger, Ivonne Sluijs, Antonio Agudo, Aurelio Barricarte, Heiner Boeing, Sandra Colorado-Yohar, Courtney Dow, Miren Dorronsoro, Pia T Dinesen, Guy Fagherazzi, Paul W Franks, Edith J M Feskens, Tilman Kühn, Verena Andrea Katzke, Timothy J Key, Kay-Tee Khaw, Maria Santucci de Magistris, Francesca Romana Mancini, Elena Molina-Portillo, Peter M Nilsson, Anja Olsen, Kim Overvad, Domenico Palli, Jose Ramón Quirós, Olov Rolandsson, Fulvio Ricceri, Annemieke M W Spijkerman, Nadia Slimani, Giovanna Tagliabue, Anne Tjonneland, Rosario Tumino, Yvonne T van der Schouw, Claudia Langenberg, Elio Riboli, Nita G Forouhi, Nicholas J Wareham
BACKGROUND: Accumulating evidence suggests that individual circulating saturated fatty acids (SFAs) are heterogeneous in their associations with cardio-metabolic diseases, but evidence about associations of SFAs with metabolic markers of different pathogenic pathways is limited. We aimed to examine the associations between plasma phospholipid SFAs and the metabolic markers of lipid, hepatic, glycaemic and inflammation pathways. METHODS: We measured nine individual plasma phospholipid SFAs and derived three SFA groups (odd-chain: C15:0 + C17:0, even-chain: C14:0 + C16:0 + C18:0, and very-long-chain: C20:0 + C22:0 + C23:0 + C24:0) in individuals from the subcohort of the European Prospective Investigation into Cancer and Nutrition (EPIC)-InterAct case-cohort study across eight European countries...
November 17, 2017: BMC Medicine
https://www.readbyqxmd.com/read/29144833/low-dietary-fiber-intake-increases-collinsella-abundance-in-the-gut-microbiota-of-overweight-and-obese-pregnant-women
#13
Luisa F Gomez-Arango, Helen L Barrett, Shelley A Wilkinson, Leonie K Callaway, H David McIntyre, Mark Morrison, Marloes Dekker Nitert
The gut microbiota contributes to the regulation of glucose metabolism in pregnancy. Abundance of the genus Collinsella is positively correlated with circulating insulin; however, it is unclear what determines Collinsella abundance. This study aims to validate the correlation between Collinsella and insulin and to elucidate if macronutrient intake alters Collinsella abundance and gut microbiota composition. Gut microbiota profiles were assessed by 16S rRNA sequencing in 57 overweight and 73 obese pregnant women from the SPRING (Study of PRobiotics IN Gestational diabetes) trial at 16 weeks gestation and correlated with metabolic hormone levels and macronutrient intake...
November 16, 2017: Gut Microbes
https://www.readbyqxmd.com/read/29144540/biosynthetic-energy-cost-of-potentially-highly-expressed-proteins-vary-with-niche-in-selected-actinobacteria
#14
Indrani Sarkar, Louis S Tisa, Maher Gtari, Arnab Sen
Amino acid and protein biosynthesis requires a number of high energy phosphate bonds and includes a dual energy cost for the synthesis of chemical intermediates during the fueling reactions and the conversion of precursor molecules to final products. One popular hypothesis is that the proteins encoded by putative highly expressed genes (hence called PHXPs) generally utilize low energy consuming amino acids to reduce the biosynthetic cost of the essential proteins. In our study, we found that this idea was not supported in the case of actinobacteria...
November 16, 2017: Journal of Basic Microbiology
https://www.readbyqxmd.com/read/29143766/assessment-of-micronutrient-status-in-critically-ill-children-challenges-and-opportunities
#15
REVIEW
Duy T Dao, Lorenzo Anez-Bustillos, Bennet S Cho, Zhilling Li, Mark Puder, Kathleen M Gura
Micronutrients refer to a group of organic vitamins and inorganic trace elements that serve many functions in metabolism. Assessment of micronutrient status in critically ill children is challenging due to many complicating factors, such as evolving metabolic demands, immature organ function, and varying methods of feeding that affect nutritional dietary intake. Determination of micronutrient status, especially in children, usually relies on a combination of biomarkers, with only a few having been established as a gold standard...
October 28, 2017: Nutrients
https://www.readbyqxmd.com/read/29141977/vitamins-associated-with-brain-aging-mild-cognitive-impairment-and-alzheimer-disease-biomarkers-epidemiological-and-experimental-evidence-plausible-mechanisms-and-knowledge-gaps
#16
REVIEW
Michael Fenech
The key to preventing brain aging, mild cognitive impairment (MCI), and Alzheimer disease (AD) via vitamin intake is first to understand molecular mechanisms, then to deduce relevant biomarkers, and subsequently to test the level of evidence for the impact of vitamins in the relevant pathways and their modulation of dementia risk. This narrative review infers information on mechanisms from gene and metabolic defects associated with MCI and AD, and assesses the role of vitamins using recent results from animal and human studies...
November 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/29141972/epigenetic-regulation-of-centromere-chromatin-stability-by-dietary-and-environmental-factors
#17
REVIEW
Diego Hernández-Saavedra, Rita S Strakovsky, Patricia Ostrosky-Wegman, Yuan-Xiang Pan
The centromere is a genomic locus required for the segregation of the chromosomes during cell division. This chromosomal region together with pericentromeres has been found to be susceptible to damage, and thus the perturbation of the centromere could lead to the development of aneuploidic events. Metabolic abnormalities that underlie the generation of cancer include inflammation, oxidative stress, cell cycle deregulation, and numerous others. The micronucleus assay, an early clinical marker of cancer, has been shown to provide a reliable measure of genotoxic damage that may signal cancer initiation...
November 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/29141967/yogurt-and-cardiometabolic-diseases-a-critical-review-of-potential-mechanisms
#18
REVIEW
Melissa Anne Fernandez, Shirin Panahi, Noémie Daniel, Angelo Tremblay, André Marette
Associations between yogurt intake and risk of diet-related cardiometabolic diseases (CMDs) have been the subject of recent research in epidemiologic nutrition. A healthy dietary pattern has been identified as a pillar for the prevention of weight gain and CMDs. Epidemiologic studies suggest that yogurt consumption is linked to healthy dietary patterns, lifestyles, and reduced risk of CMDs, particularly type 2 diabetes. However, to our knowledge, few to no randomized controlled trials have investigated yogurt intake in relation to cardiometabolic clinical outcomes...
November 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/29141052/association-between-urinary-manganese-and-blood-pressure-results-from-national-health-and-nutrition-examination-survey-nhanes-2011-2014
#19
Cynthia Wu, Jessica G Woo, Nanhua Zhang
Manganese is a trace mineral required for metabolism, growth and tissue formation, and reproduction. It is mainly obtained through food and water, as well as through occupational exposure. This study used data from National Health and Nutrition Examination Survey, combining the 2011-12 and 2013-14 cycles. We conducted linear regression analyses on urinary manganese and blood pressure. Significant negative associations (p<0.01) between urinary manganese and both systolic and diastolic blood pressure existed after adjusting for age, sex, body mass index, race/ethnicity, and status of taking antihypertensive medication...
2017: PloS One
https://www.readbyqxmd.com/read/29140435/hmdb-4-0-the-human-metabolome-database-for-2018
#20
David S Wishart, Yannick Djoumbou Feunang, Ana Marcu, An Chi Guo, Kevin Liang, Rosa Vázquez-Fresno, Tanvir Sajed, Daniel Johnson, Carin Li, Naama Karu, Zinat Sayeeda, Elvis Lo, Nazanin Assempour, Mark Berjanskii, Sandeep Singhal, David Arndt, Yonjie Liang, Hasan Badran, Jason Grant, Arnau Serra-Cayuela, Yifeng Liu, Rupa Mandal, Vanessa Neveu, Allison Pon, Craig Knox, Michael Wilson, Claudine Manach, Augustin Scalbert
The Human Metabolome Database or HMDB (www.hmdb.ca) is a web-enabled metabolomic database containing comprehensive information about human metabolites along with their biological roles, physiological concentrations, disease associations, chemical reactions, metabolic pathways, and reference spectra. First described in 2007, the HMDB is now considered the standard metabolomic resource for human metabolic studies. Over the past decade the HMDB has continued to grow and evolve in response to emerging needs for metabolomics researchers and continuing changes in web standards...
November 11, 2017: Nucleic Acids Research
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