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Glucose Metabolism

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https://www.readbyqxmd.com/read/28738416/conditionally-immortal-slc4a11-mouse-corneal-endothelial-cell-line-recapitulates-disrupted-glutaminolysis-seen-in-slc4a11-mouse-model
#1
Wenlin Zhang, Diego G Ogando, Edward T Kim, Moon-Jung Choi, Hongde Li, Jason M Tenessen, Joseph A Bonanno
Purpose: To establish conditionally immortal mouse corneal endothelial cell lines with genetically matched Slc4a11+/+ and Slc4a11-/- mice as a model for investigating pathology and therapies for SLC4A11 associated congenital hereditary endothelial dystrophy (CHED) and Fuchs' endothelial corneal dystrophy. Methods: We intercrossed H-2Kb-tsA58 mice (Immortomouse) expressing an IFN-γ dependent and temperature-sensitive mutant of the SV40 large T antigen (tsTAg) with Slc4a11+/+ and Slc4a11-/- C57BL/6 mice...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28738351/major-depression-as-a-neuroprogressive-prelude-to-dementia-what-is-the-evidence
#2
Brian E Leonard
Epidemiological studies implicate chronic depression as a predisposing factor for dementia in later life. However, the link is incompletely understood and controversial. The aim of this review is to consider some of the biological factors that contribute to neuroprogressive brain dysfunction in late life as a consequence of prolonged, low-grade inflammation in the course of depressive episodes. As chronic inflammation is known to precipitate increased apoptosis of neurons and astrocytes, this could be a contributing factor to brain dysfunction...
2017: Modern Trends in Pharmacopsychiatry
https://www.readbyqxmd.com/read/28738109/are-glucose-and-insulin-metabolism-and-diabetes-associated-with-migraine-a-community-based-case-control-study
#3
Xin Wang, Xin Li, YanBo Diao, ShuHan Meng, YuHang Xing, HaiBo Zhou, Dan Yang, JiaMei Sun, Hong Chen, YaShuang Zhao
AIMS: To investigate the association between glucose and insulin metabolism and migraine, as well as between diabetes mellitus (DM) and migraine, at a Chinese community level. METHODS: A community-based, case-control study was performed in Heihe City, China. A survey was conducted door to door by eight trained investigators. Migraine was diagnosed using the International Classification of Headache Disorders (ICHD-III) beta criteria. A total of 2,023 participants completed a questionnaire, underwent a physical examination, and donated fasting blood...
July 2017: Journal of Oral & Facial Pain and Headache
https://www.readbyqxmd.com/read/28737953/metabolic-factors-and-oxidative-stress-in-osteoarthritis-a-case-control-study
#4
Kaspar Tootsi, Aare Märtson, Jaak Kals, Kaido Paapstel, Mihkel Zilmer
Previous studies suggest that metabolic disturbances might be involved in the development of osteoarthritis (OA). Associations have been found between the individual components of metabolic syndrome (MetS) and OA. MetS has been associated with increased oxidative stress (OxS). The study aimed to clarify the role of MetS components in OA and to evaluate the levels of OxS in OA patients and in age-matched controls. Fifty-five patients with end-stage OA (age 63 ± 7 years) prior to hip or knee joint replacement surgery and 55 age-, gender- and body mass index matched controls (61 ± 8 years) were enrolled in the study...
July 24, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28737584/update-on-new-muscle-glycogenosis
#5
Pascal Laforêt, Edoardo Malfatti, John Vissing
PURPOSE OF REVIEW: The field of muscle glycogenoses has progressed in recent years by the identification of new disorders, and by reaching a better understanding of pathophysiology of the disorders and the physiology of glycogen metabolism. RECENT FINDINGS: In this review, we describe the clinical and pathological features of the three most recently described muscle glycogenoses caused by recessive mutations in GYG1, RBCK1 and PGM1. The three involved enzymes play different roles in glycogen metabolism...
July 21, 2017: Current Opinion in Neurology
https://www.readbyqxmd.com/read/28737528/genetic-variants-of-increased-waist-circumference-in-psychosis
#6
Dzana S Hukic, Urban Ösby, Eric Olsson, Agneta Hilding, Claes-Göran Östenson, Harvest F Gu, Ewa Ehrenborg, Gunnar Edman, Martin Schalling, Catharina Lavebratt, Louise Frisén
OBJECTIVE: We examined whether established metabolic risk genetic variants in the population confer a risk for increased waist circumference in patients with schizophrenia spectrum disorders and also an association with schizophrenia spectrum disorders irrespective of waist circumference. PATIENTS AND METHODS: We analyzed the association in (i) a case-case model in which patients with schizophrenia spectrum disorder with increased waist circumference (≥80 cm for women and ≥94 cm for men) (n=534) were compared with patients with normal waist circumference (<80 cm for women; <94 cm for men) (n=124), and in (ii) a case-control model in which schizophrenia spectrum disorder patients with increased waist circumference or irrespective of waist circumference were compared with population-derived controls (n=494) adjusted for age, sex, fasting glucose, smoking, and family history of diabetes...
July 21, 2017: Psychiatric Genetics
https://www.readbyqxmd.com/read/28737202/-euglycemic-ketosis-in-an-adolescent-with-type-1-diabetes-on-insulin-and-dapaglifozin-case-report
#7
Marcia Pereyra A, Cristhian Ramírez, Rossana Román
Dapagliflozin, an insulin-independent sodium-glucose cotransporter 2 inhibitor (SGLT2-I) induces glycosuria and reduces hyperglycemia in adults with type 2 diabetes. OBJECTIVE: To present an “euglycemic” diabetic ketosis in an adolescent with type 1 diabetes (T1D) receiving dapagliflozin, to alert about the risk of a drug not approved in children nor in T1D. CASE REPORT: A 17 years old adolescent with T1D during 9 years, was started on dapagliflozin 10 mg / day to reduce insulin dose and weight...
June 2017: Revista Chilena de Pediatría
https://www.readbyqxmd.com/read/28736981/ketoacidosis-and-sglt2-inhibitor-treatment-analysis-of-faers-data
#8
Jenny E Blau, Sri Harsha Tella, Simeon I Taylor, Kristina I Rother
BACKGROUND: Regulatory agencies have concluded that sodium glucose cotransporter 2 (SGLT2) inhibitors lead to ketoacidosis, but published literature on this point remains controversial. METHODS: We searched the FDA Adverse Event Reporting System (FAERS) for reports of acidosis in patients treated with canagliflozin, dapagliflozin, or empagliflozin (from the date of each drug's FDA approval until May 15, 2015). We compared the number of SGLT2 inhibitor-related reports to reports of acidosis in patients treated with the two most commonly used DPP4 inhibitors: sitagliptin and saxagliptin...
July 24, 2017: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/28736524/immune-and-metabolic-regulation-mechanism-of-dangguiliuhuang-decoction-against-insulin-resistance-and-hepatic-steatosis
#9
Hui Cao, Lingling Tuo, Yali Tuo, Ziyun Xia, Rong Fu, Yang Liu, Yihong Quan, Jue Liu, Zhihong Yu, Ming Xiang
Dangguiliuhuang decoction (DGLHD) is a traditional Chinese medicine (TCM) formula, which mainly consists of angelica, radix rehmanniae, radix rehmanniae praeparata, scutellaria baicalensis, coptis chinensis, astragalus membranaceus, and golden cypress, and used for the treatment of diabetes and some autoimmune diseases. In this study, we explored the potential mechanism of DGLHD against insulin resistance and fatty liver in vivo and in vitro. Our data revealed that DGLHD normalized glucose and insulin level, increased the expression of adiponectin, diminished fat accumulation and lipogenesis, and promoted glucose uptake...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28736498/insights-on-glicentin-a-promising-peptide-of-the-proglucagon-family
#10
REVIEW
Juliette Raffort, Fabien Lareyre, Damien Massalou, Patrick Fénichel, Patricia Panaïa-Ferrari, Giulia Chinetti
Glicentin is a proglucagon-derived peptide mainly produced in the L-intestinal cells. While the roles of other members of the proglucagon family including glucagon-like peptide 1, glucagon-like peptide 2 and oxyntomodulin has been well studied, the functions and variation of glicentin in human are not fully understood. Experimental and clinical studies have highlighted its role in both intestinal physiology and glucose metabolism, pointing to its potential interest in a wide range of pathological states including gastrointestinal and metabolic disorders...
June 15, 2017: Biochemia Medica: časopis Hrvatskoga Društva Medicinskih Biokemičara
https://www.readbyqxmd.com/read/28736440/repin1-deficiency-in-adipose-tissue-improves-whole-body-insulin-sensitivity-and-lipid-metabolism
#11
N Hesselbarth, A Kunath, M Kern, M Gericke, N Mejhert, M Rydén, M Stumvoll, M Blüher, N Klöting
BACKGROUND/OBJECTIVES: Replication initiator 1 (Repin1) gene encodes for a zinc-finger protein and has been implicated in the regulation of adipocyte cell size and glucose transport in vitro. Here, we investigate the consequences of reduced adipose tissue (AT) Repin1 expression in vivo. SUBJECTS/METHODS: We have inactivated the Repin1 gene in adipose tissue (iARep(-/-)) at an age of four weeks using tamoxifen-inducible gene targeting strategies on the background of C57BL/6NTac mice...
July 24, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28736261/genetic-disruption-of-the-cardiomyocyte-circadian-clock-differentially-influences-insulin-mediated-processes-in-the-heart
#12
Graham R McGinnis, Yawen Tang, Rachel A Brewer, Manoja K Brahma, Haley L Stanley, Gobinath Shanmugam, Namakkal Soorappan Rajasekaran, Glenn C Rowe, Stuart J Frank, Adam R Wende, E Dale Abel, Heinrich Taegtmeyer, Silvio Litovsky, Victor Darley-Usmar, Jianhua Zhang, John C Chatham, Martin E Young
Cardiovascular physiology exhibits time-of-day-dependent oscillations, which are mediated by both extrinsic (e.g., environment/behavior) and intrinsic (e.g., circadian clock) factors. Disruption of circadian rhythms negatively affects multiple cardiometabolic parameters. Recent studies suggest that the cardiomyocyte circadian clock directly modulates responsiveness of the heart to metabolic stimuli (e.g., fatty acids) and stresses (e.g., ischemia/reperfusion). The aim of this study was to determine whether genetic disruption of the cardiomyocyte circadian clock impacts insulin-regulated pathways in the heart...
July 20, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/28736244/the-use-of-stable-isotopes-in-the-study-of-human-pathophysiology
#13
Evelina Charidemou, Tom Ashmore, Julian L Griffin
The growing prevalence of metabolic diseases including fatty liver disease and Type 2 diabetes has increased the emphasis on understanding metabolism at the mechanistic level and how it is perturbed in disease. Metabolomics is a continually expanding field that seeks to measure metabolites in biological systems during a physiological stimulus or a genetic alteration. Typically, metabolomics studies provide total pool sizes of metabolites rather than dynamic flux measurements. More recently there has been a resurgence in approaches that use stable isotopes (e...
July 20, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28736056/variability-of-glycated-hemoglobin-levels-in-the-first-year-post-renal-transplantation-in-patients-without-diabetes
#14
Ana Laura Pimentel, Joíza Lins Camargo
BACKGROUND: Glycated hemoglobin (HbA1c) is an alternative test used for the diagnosis and monitoring of diabetes in kidney transplant recipients. Immunosuppressive drugs are the most important risk factors related with changes in the glucose metabolism after transplant. It is still unknown if they impact on the variability of HbA1c. We assessed the variability of HbA1c levels in a group of renal transplant recipients without diabetes during the first year after transplant. METHODS: We estimated the variability of HbA1c in a group of 95 Brazilian kidney transplant recipients...
July 20, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28736029/protective-role-of-apelin-against-cyclosporine-induced-renal-tubular-injury-in-rats
#15
J S Kim, J W Yang, B G Han, H J Kwon, J H Kim, S O Choi
BACKGROUND: Cyclosporine (CsA) usually reduces glomerular filtration rate (GFR) but also can induce tubular injury without resulting in GFR reduction. Apelin is an endogenous ligand for the apelin receptor and has diverse physiologic roles related to hemodynamic or metabolic processes. We investigated the renoprotective role of apelin against CsA-induced tubular toxicity in rats. METHODS: Rats were given CsA (15 mg/kg/day) and/or apelin-13 (15 μg/kg/day) for 7 days via subcutaneous injection...
July 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28735851/assessing-beans-as-a-source-of-intrinsic-fiber-on-satiety-in-men-and-women-with-metabolic-syndrome
#16
Elizabeth J Reverri, Jody M Randolph, C Tissa Kappagoda, Eunyoung Park, Indika Edirisinghe, Britt M Burton-Freeman
Dietary fiber is well-known for its satiety inducing properties. Adding fibers to mixed dishes is one way to increase fiber intake. However, adding fibers to foods versus including foods inherently containing fiber may reveal differing effects on satiety. The present study aimed to explore the satiety effects of adding fiber to a mixed meal versus using beans (Phaseolus vulgaris) as a source of intrinsic fiber in the meal. In this pilot study, 12 men and women with metabolic syndrome were randomly assigned to eat three standard meals in a crossover design on three different occasions that contained either no added fiber (control (NF)), extrinsic or added fiber (AF), or whole black beans as the source of intrinsic fiber (BN)...
July 20, 2017: Appetite
https://www.readbyqxmd.com/read/28735815/intensive-lifestyle-intervention-is-particularly-advantageous-in-poorly-controlled-type-2-diabetes
#17
E Sbroma Tomaro, R Pippi, E Reginato, C Aiello, L Buratta, C Mazzeschi, C Perrone, C Ranucci, A Tirimagni, A Russo, C Fatone, C Fanelli, P De Feo
BACKGROUND AND AIMS: It is unknown whether lifestyle change is effective in people with type 2 diabetes with inadequate glucose control. The aim of this study was to asses, in a group of people with type 2 diabetes, the impact of baseline values of glycosylated haemoglobin (HbA1c) on the effects of an intensive lifestyle intervention on metabolic, clinical and strength parameters. METHODS AND RESULTS: 222 people with type 2 diabetes with mean ± standard deviation baseline HBA1c of 7...
June 21, 2017: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/28735644/fasting-as-possible-complementary-approach-for-polycystic-ovary-syndrome-hope-or-hype
#18
Benito Chiofalo, Antonio Simone Laganà, Vittorio Palmara, Roberta Granese, Giacomo Corrado, Emanuela Mancini, Salvatore Giovanni Vitale, Helena Ban Frangež, Eda Vrtačnik-Bokal, Onofrio Triolo
Polycystic ovary syndrome (PCOS) is a common endocrine system disorder among women of reproductive age. In several cases, PCOS women show infertility or subfertility and other metabolic alteration, such as insulin resistance (InsR), dyslipidaemia, hyperinsulinemia and obesity. Despite the aetiology of the syndrome is still far from be elucidated, it could be considered the result of concurrent endocrine modifications, lifestyle factors and genetic background. In particular, accumulating evidence suggests that InsR and compensatory hyperinsulinemia play a pivotal pathogenic role in the hyperandrogenism of many PCOS phenotypes, which in turn have a clear detrimental effect on chronic anovulation...
August 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28735523/histochemistry-and-immunolocalisation-of-glucokinin-in-antidiabetic-plants-used-in-traditional-mexican-medicine
#19
Guillermo Laguna-Hernández, Carlos A Rio-Zamorano, Itzel G Meneses-Ochoa, Alicia E Brechú-Franco
Mexico is a megadiverse country that has 3,600 to 4,000 species of medicinal plants, of which approximately 800 are used to treat conditions related to diabetes mellitus (DM). DM is a chronic degenerative disease of energy metabolism that exists as two types: type 1 (DM1) and type 2 (DM2). DM is considered a public health problem that affects 7% of the Mexican population older than 20 years. DM is clinically controlled with hypoglycaemic drugs, alpha-glucosidase inhibitors, insulin secretion stimulants or the direct application of insulin...
June 21, 2017: European Journal of Histochemistry: EJH
https://www.readbyqxmd.com/read/28735466/comparative-metabolic-analysis-in-head-and-neck-cancer-and-the-normal-gingiva
#20
Nadine Fabienne Voelxen, Sebastian Blatt, Pascal Knopf, Maurice Henkel, Christina Appelhans, Leonardo A R Righesso, Andreas Pabst, Jutta Goldschmitt, Stefan Walenta, Andreas Neff, Wolfgang Mueller-Klieser, Thomas Ziebart
OBJECTIVES: Chronic accumulation of lactate in malignant tumor tissue is associated with increased malignancy and radioresistance. For this study, biopsies of primary head and neck squamous cell carcinoma (HNSCC) and of the normal gingiva of the same patient were compared via metabolic profiling to the healthy gingiva from cancer-free patients. MATERIALS AND METHODS: Cryobiopsies of 140 HNSCC patients were used to determine ATP, lactate, and glucose concentrations of the tumor and normal gingiva via induced metabolic bioluminescence imaging (imBI)...
July 22, 2017: Clinical Oral Investigations
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