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Diabetologia

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https://www.readbyqxmd.com/read/29150696/impact-of-prolonged-overfeeding-on-skeletal-muscle-mitochondria-in-healthy-individuals
#1
Frederico G S Toledo, Darcy L Johannsen, Jeffrey D Covington, Sudip Bajpeyi, Bret Goodpaster, Kevin E Conley, Eric Ravussin
AIMS/HYPOTHESES: Reduced mitochondrial capacity in skeletal muscle has been observed in obesity and type 2 diabetes. In humans, the aetiology of this abnormality is not well understood but the possibility that it is secondary to the stress of nutrient overload has been suggested. To test this hypothesis, we examined whether sustained overfeeding decreases skeletal muscle mitochondrial content or impairs function. METHODS: Twenty-six healthy volunteers (21 men, 5 women, age 25...
November 17, 2017: Diabetologia
https://www.readbyqxmd.com/read/29143855/considerations-and-guidelines-for-mouse-metabolic-phenotyping-in-diabetes-research
#2
REVIEW
Thierry Alquier, Vincent Poitout
Mice are the most commonly used species in preclinical research on the pathophysiology of metabolic diseases. Although they are extremely useful for identifying pathways, mechanisms and genes regulating glucose and energy homeostasis, the specificities of the various mouse models and methodologies used to investigate a metabolic phenotype can have a profound impact on experimental results and their interpretation. This review aims to: (1) describe the most commonly used experimental tests to assess glucose and energy homeostasis in mice; (2) provide some guidelines regarding the design, analysis and interpretation of these tests, as well as for studies using genetic models; and (3) identify important caveats and confounding factors that must be taken into account in the interpretation of findings...
November 16, 2017: Diabetologia
https://www.readbyqxmd.com/read/29143064/exercise-training-response-heterogeneity-statistical-insights
#3
LETTER
Greg Atkinson, Philip Williamson, Alan M Batterham
No abstract text is available yet for this article.
November 15, 2017: Diabetologia
https://www.readbyqxmd.com/read/29143063/translating-aetiological-insight-into-sustainable-management-of-type-2-diabetes
#4
REVIEW
Roy Taylor, Alison C Barnes
Using a low-energy diet as a tool, it has been possible to elucidate the sequence of pathophysiological changes that lead to the onset of type 2 diabetes. Negative energy balance in type 2 diabetes causes a profound fall in liver fat content resulting in normalisation of hepatic insulin sensitivity within 7 days. As the period of negative energy balance extends and liver fat levels fall to low normal, the rate of export of triacylglycerol from the liver falls. Consequent to this, the raised pancreas fat content falls and in early type 2 diabetes, normal first-phase insulin secretion becomes re-established with normal plasma glucose control...
November 15, 2017: Diabetologia
https://www.readbyqxmd.com/read/29138876/lower-risk-of-dementia-with-pioglitazone-compared-with-other-second-line-treatments-in-metformin-based-dual-therapy-a-population-based-longitudinal-study
#5
Chieh-Hsiang Lu, Chen-Yi Yang, Chung-Yi Li, Cheng-Yang Hsieh, Huang-Tz Ou
AIMS/HYPOTHESIS: The effect of pioglitazone was compared with that of other second-line glucose-lowering drugs on the risk of dementia among individuals with type 2 diabetes receiving metformin-based dual therapy. METHODS: A total of 204,323 individuals with type 2 diabetes aged ≥18 years who were stable metformin users and dementia-free before the initiation of second-line glucose-lowering medication were identified in the period 2000-2011 from Taiwan's National Health Insurance Research Database and followed to the end of 2013...
November 14, 2017: Diabetologia
https://www.readbyqxmd.com/read/29130114/workplace-bullying-and-violence-as-risk-factors-for-type-2-diabetes-a-multicohort-study-and-meta-analysis
#6
Tianwei Xu, Linda L Magnusson Hanson, Theis Lange, Liis Starkopf, Hugo Westerlund, Ida E H Madsen, Reiner Rugulies, Jaana Pentti, Sari Stenholm, Jussi Vahtera, Åse M Hansen, Mika Kivimäki, Naja H Rod
AIMS/HYPOTHESIS: The aim of this multicohort study was to examine whether employees exposed to social stressors at work, such as workplace bullying and violence, have an increased risk of type 2 diabetes. METHODS: The study included 45,905 men and women (40-65 years of age and free of diabetes at baseline) from four studies in Sweden, Denmark and Finland. Workplace bullying and violence were self-reported at baseline. Incident diabetes was ascertained through national health and medication records and death registers...
November 13, 2017: Diabetologia
https://www.readbyqxmd.com/read/29128937/epigenetics-in-diabetic-nephropathy-immunity-and-metabolism
#7
REVIEW
Samuel T Keating, Janna A van Diepen, Niels P Riksen, Assam El-Osta
When it comes to the epigenome, there is a fine line between clarity and confusion-walk that line and you will discover another fascinating level of transcription control. With the genetic code representing the cornerstone of rules for information that is encoded to proteins somewhere above the genome level there is a set of rules by which chemical information is also read. These epigenetic modifications show a different side of the genetic code that is diverse and regulated, hence modifying genetic transcription transiently, ranging from short- to long-term alterations...
November 11, 2017: Diabetologia
https://www.readbyqxmd.com/read/29128936/hospital-time-prior-to-death-and-pancreas-histopathology-implications-for-future-studies
#8
Irina Kusmartseva, Maria Beery, Tiffany Philips, Stephen Selman, Priyanka Jadhav, Clive Wasserfall, Axel Muller, Alberto Pugliese, Jeffrey A Longmate, Desmond A Schatz, Mark A Atkinson, John S Kaddis
AIMS/HYPOTHESIS: Diabetes research studies routinely rely upon the use of tissue samples from human organ donors. It remains unclear whether the length of hospital stay prior to organ donation affects the presence of cells infiltrating the pancreas or the frequency of replicating beta cells. METHODS: To address this, 39 organ donors without diabetes were matched for age, sex, BMI and ethnicity in groups of three. Within each group, donors varied by length of hospital stay immediately prior to organ donation (<3 days, 3 to <6 days, or ≥6 days)...
November 11, 2017: Diabetologia
https://www.readbyqxmd.com/read/29128935/associations-between-birthweight-gestational-age-at-birth-and-subsequent-type-1-diabetes-in-children-under-12-a-retrospective-cohort-study-in-england-1998-2012
#9
Raphael R Goldacre
AIMS/HYPOTHESIS: With genetics thought to explain only 40-50% of the total risk of type 1 diabetes, environmental risk factors in early life have been proposed. Previous findings from studies of type 1 diabetes incidence by birthweight and gestational age at birth have been inconsistent. This study aimed to investigate the relationships between birthweight, gestational age at birth and subsequent type 1 diabetes in England. METHODS: Data were obtained from a population-based database comprising linked mother-infant pairs using English national Hospital Episode Statistics from 1998 to 2012...
November 11, 2017: Diabetologia
https://www.readbyqxmd.com/read/29119245/development-and-characterisation-of-a-novel-glucagon-like-peptide-1-receptor-antibody
#10
Emma K Biggs, Lihuan Liang, Jacqueline Naylor, Shimona Madalli, Rachel Collier, Matthew P Coghlan, David J Baker, David C Hornigold, Peter Ravn, Frank Reimann, Fiona M Gribble
AIMS/HYPOTHESIS: Glucagon like peptide-1 (GLP-1) enhances glucose-dependent insulin secretion by binding to GLP-1 receptors (GLP1Rs) on pancreatic beta cells. GLP-1 mimetics are used in the clinic for the treatment of type 2 diabetes, but despite their therapeutic success, several clinical effects of GLP-1 remain unexplained at a mechanistic level, particularly in extrapancreatic tissues. The aim of this study was to generate and characterise a monoclonal antagonistic antibody for the GLP1R for use in vivo...
November 9, 2017: Diabetologia
https://www.readbyqxmd.com/read/29119242/dietary-antioxidant-capacity-and-risk-of-type-2-diabetes-in-the-large-prospective-e3n-epic-cohort
#11
Francesca Romana Mancini, Aurélie Affret, Courtney Dow, Beverley Balkau, Fabrice Bonnet, Marie-Christine Boutron-Ruault, Guy Fagherazzi
AIMS/HYPOTHESIS: Recent evidence suggests that oxidative stress may contribute to the pathogenesis of type 2 diabetes. The diet, and especially fruit and vegetables, contains a variety of compounds with antioxidant activity, which may have cumulative/synergistic antioxidant effects. The total antioxidant capacity, an index derived from dietary intake, is a single estimate of antioxidant capacity from all dietary antioxidants. The main aim of this study was to investigate the relationship between total antioxidant capacity and risk of type 2 diabetes...
November 9, 2017: Diabetologia
https://www.readbyqxmd.com/read/29119244/enterovirus-associated-changes-in-blood-transcriptomic-profiles-of-children-with-genetic-susceptibility-to-type-1-diabetes
#12
Niina Lietzen, Le T T An, Maria K Jaakkola, Henna Kallionpää, Sami Oikarinen, Juha Mykkänen, Mikael Knip, Riitta Veijola, Jorma Ilonen, Jorma Toppari, Heikki Hyöty, Riitta Lahesmaa, Laura L Elo
AIMS/HYPOTHESIS: Enterovirus infections have been associated with the development of type 1 diabetes in multiple studies, but little is known about enterovirus-induced responses in children at risk for developing type 1 diabetes. Our aim was to use genome-wide transcriptomics data to characterise enterovirus-associated changes in whole-blood samples from children with genetic susceptibility to type 1 diabetes. METHODS: Longitudinal whole-blood samples (356 samples in total) collected from 28 pairs of children at increased risk for developing type 1 diabetes were screened for the presence of enterovirus RNA...
November 8, 2017: Diabetologia
https://www.readbyqxmd.com/read/29119243/retraction-note-to-l-glutamine-supplementation-induces-insulin-resistance-in-adipose-tissue-and-improves-insulin-signalling-in-liver-and-muscle-of-rats-with-diet-induced-obesity
#13
P O Prada, S M Hirabara, C T de Souza, A A Schenka, H G Zecchin, J Vassallo, L A Velloso, E Carneiro, J B C Carvalheira, R Curi, M J Saad
In light of forensic evidence indicating duplication and/or manipulation of western blot images the Editor-in-Chief is retracting the article cited above.
November 8, 2017: Diabetologia
https://www.readbyqxmd.com/read/29103105/incident-diabetes-mellitus-may-explain-the-association-between-sleep-duration-and-incident-coronary-heart-disease
#14
Akiko Kishi Svensson, Thomas Svensson, Mariusz Kitlinski, Peter Almgren, Gunnar Engström, Peter M Nilsson, Olle Melander
AIMS/HYPOTHESIS: Sleep duration is a risk factor for incident diabetes mellitus and CHD. The primary aim of the present study was to investigate, in sex-specific analyses, the role of incident diabetes as the possible biological mechanism for the reported association between short/long sleep duration and incident CHD. Considering that diabetes is a major risk factor for CHD, we hypothesised that any association with sleep duration would not hold for cases of incident CHD occurring before incident diabetes ('non-diabetes CHD') but would hold true for cases of incident CHD following incident diabetes ('diabetes-CHD')...
November 4, 2017: Diabetologia
https://www.readbyqxmd.com/read/29101423/risk-of-lower-limb-amputation-in-a-national-prevalent-cohort-of-patients-with-diabetes
#15
Jason K Gurney, James Stanley, Steve York, Dieter Rosenbaum, Diana Sarfati
AIMS/HYPOTHESIS: Lower limb amputation is a serious complication of diabetes mellitus. Understanding how amputation risk differs by population subgroups is crucial in terms of directing preventive strategies. In this study, we describe those factors that impact amputation risk in the entire prevalent diabetic population of New Zealand. METHODS: A national prevalent cohort of 217,207 individuals with diabetes in 2010 were followed up until the end of 2013 for lower limb amputations, and 2014 for mortality...
November 3, 2017: Diabetologia
https://www.readbyqxmd.com/read/29101422/biomarkers-of-inflammation-and-endothelial-dysfunction-as-predictors-of-pulse-pressure-and-incident-hypertension-in-type-1-diabetes-a-20%C3%A2-year-life-course-study-in-an-inception-cohort
#16
Isabel Ferreira, Peter Hovind, Casper G Schalkwijk, Hans-Henrik Parving, Coen D A Stehouwer, Peter Rossing
AIMS/HYPOTHESIS: Vascular inflammation and endothelial dysfunction are thought to contribute to arterial stiffening and hypertension. This study aims to test this hypothesis with longitudinal data in the context of type 1 diabetes. METHODS: We investigated, in an inception cohort of 277 individuals with type 1 diabetes, the course, tracking and temporal inter-relationships of BP, specifically pulse pressure (a marker of arterial stiffening) and hypertension, and the following biomarkers of systemic and vascular inflammation/endothelial dysfunction: C-reactive protein (CRP), soluble intracellular adhesion molecule-1 (sICAM-1), soluble vascular cellular adhesion molecule-1 (sVCAM-1) and soluble E-selectin (sE-selectin)...
November 3, 2017: Diabetologia
https://www.readbyqxmd.com/read/29101421/long-term-follow-up-of-intensive-glycaemic-control-on-renal-outcomes-in-the-veterans-affairs-diabetes-trial-vadt
#17
Lily Agrawal, Nasrin Azad, Gideon D Bahn, Ling Ge, Peter D Reaven, Rodney A Hayward, Domenic J Reda, Nicholas V Emanuele
AIMS/HYPOTHESIS: We conducted an analysis of data collected during the Veterans Affairs Diabetes Trial (VADT) and the follow-up study (VADT-F) to determine whether intensive (INT) compared with standard (STD) glycaemic control during the VADT resulted in better long-term kidney outcomes. METHODS: VADT randomly assigned 1791 veterans from 20 Veterans Affairs (VA) medical centres who had type 2 diabetes mellitus and a mean HbA1c of 9.4 ± 2% (79.2 mmol/mol) at baseline to receive either INT or STD glucose control for a median of 5...
November 3, 2017: Diabetologia
https://www.readbyqxmd.com/read/29098323/three-question-set-from-michigan-neuropathy-screening-instrument-adds-independent-prognostic-information-on-cardiovascular-outcomes-analysis-of-altitude-trial
#18
Jelena P Seferovic, Marc A Pfeffer, Brian Claggett, Akshay S Desai, Dick de Zeeuw, Steven M Haffner, John J V McMurray, Hans-Henrik Parving, Scott D Solomon, Nish Chaturvedi
AIMS/HYPOTHESIS: The self-administered Michigan Neuropathy Screening Instrument (MNSI) is used to diagnose diabetic peripheral neuropathy. We examined whether the MNSI might also provide information on risk of death and cardiovascular outcomes. METHODS: In this post hoc analysis of the Aliskiren Trial in Type 2 Diabetes Using Cardio-Renal Endpoints (ALTITUDE) trial, we divided 8463 participants with type 2 diabetes and chronic kidney disease (CKD) and/or cardiovascular disease (CVD) into independent training (n = 3252) and validation (n = 5211) sets...
November 3, 2017: Diabetologia
https://www.readbyqxmd.com/read/29098322/maternal-obesity-as-a-risk-factor-for-early-childhood-type-1-diabetes-a-nationwide-prospective-population-based-case-control-study
#19
Nina Lindell, Annelie Carlsson, Ann Josefsson, Ulf Samuelsson
AIMS/HYPOTHESIS: Genetic and environmental factors are believed to cause type 1 diabetes. The aim of this study was to investigate the influence of maternal BMI and gestational weight gain on the subsequent risk of childhood type 1 diabetes. METHODS: Children in the Swedish National Quality Register for Diabetes in Children were matched with control children from the Swedish Medical Birth Register. Children were included whose mothers had data available on BMI in early pregnancy and gestational weight gain, giving a total of 16,179 individuals: 3231 children with type 1 diabetes and 12,948 control children...
November 2, 2017: Diabetologia
https://www.readbyqxmd.com/read/29098321/sugar-sweetened-beverage-intake-associations-with-fasting-glucose-and-insulin-concentrations-are-not-modified-by-selected-genetic-variants-in-a-chrebp-fgf21-pathway-a-meta-analysis
#20
Nicola M McKeown, Hassan S Dashti, Jiantao Ma, Danielle E Haslam, Jessica C Kiefte-de Jong, Caren E Smith, Toshiko Tanaka, Mariaelisa Graff, Rozenn N Lemaitre, Denis Rybin, Emily Sonestedt, Alexis C Frazier-Wood, Dennis O Mook-Kanamori, Yanping Li, Carol A Wang, Elisabeth T M Leermakers, Vera Mikkilä, Kristin L Young, Kenneth J Mukamal, L Adrienne Cupples, Christina-Alexandra Schulz, Tzu-An Chen, Ruifang Li-Gao, Tao Huang, Wendy H Oddy, Olli Raitakari, Kenneth Rice, James B Meigs, Ulrika Ericson, Lyn M Steffen, Frits R Rosendaal, Albert Hofman, Mika Kähönen, Bruce M Psaty, Louise Brunkwall, Andre G Uitterlinden, Jorma Viikari, David S Siscovick, Ilkka Seppälä, Kari E North, Dariush Mozaffarian, Josée Dupuis, Marju Orho-Melander, Stephen S Rich, Renée de Mutsert, Lu Qi, Craig E Pennell, Oscar H Franco, Terho Lehtimäki, Mark A Herman
AIMS/HYPOTHESIS: Sugar-sweetened beverages (SSBs) are a major dietary contributor to fructose intake. A molecular pathway involving the carbohydrate responsive element-binding protein (ChREBP) and the metabolic hormone fibroblast growth factor 21 (FGF21) may influence sugar metabolism and, thereby, contribute to fructose-induced metabolic disease. We hypothesise that common variants in 11 genes involved in fructose metabolism and the ChREBP-FGF21 pathway may interact with SSB intake to exacerbate positive associations between higher SSB intake and glycaemic traits...
November 2, 2017: Diabetologia
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