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https://www.readbyqxmd.com/read/29051099/hyperglycemia-induced-reactive-species-trigger-structural-changes-in-human-serum-albumin-of-type-1-diabetic-subjects
#1
Zarina Arif, Km Neelofar, Mir Yasir Arfat, Asif Zaman, Akhlas Tarannum, Iffat Parveen, Shafeeque Ahmad, Md Adnan Khan, Asim Badar, Shireen Naaz Islam
Chronic oxidative stress fuels pathogenesis of a large set of diseases. Oxidative stress is the cause and consequence of numerous diseases including type 1 diabetes mellitus (T1DM), in which there is selective destruction of insulin producing pancreatic β-cells. Studies have documented that hyperglycemia produces profound stress. In vivo production of numerous reactive oxygen, nitrogen, chlorine species and lipid/sugar oxidation products are result of persistent hyperglycemia. Post-translational modifications by reactive species may create new antigenic epitopes and play a role in the development of autoimmune response...
October 16, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29036931/mass-spectrometric-studies-of-apolipoprotein-proteoforms-and-their-role-in-lipid-metabolism-and-type-2-diabetes
#2
REVIEW
Dobrin Nedelkov
Apolipoproteins function as structural components of lipoprotein particles, cofactors for enzymes, and ligands for cell-surface receptors. Most of the apoliporoteins exhibit proteoforms, arising from single nucleotide polymorphisms (SNPs) and post-translational modifications such as glycosylation, oxidation, and sequence truncations. Reviewed here are recent studies correlating apolipoproteins proteoforms with the specific clinical measures of lipid metabolism and cardiometabolic risk. Targeted mass spectrometric immunoassays toward apolipoproteins A-I, A-II, and C-III were applied on large cross-sectional and longitudinal clinical cohorts...
October 15, 2017: Proteomes
https://www.readbyqxmd.com/read/29036612/cd40l-controls-obesity-associated-vascular-inflammation-oxidative-stress-and-endothelial-dysfunction-in-mice-translational-aspects-for-man
#3
Sebastian Steven, Mobin Dib, Michael Hausding, Fatemeh Kashani, Matthias Oelze, Swenja Kröller-Schön, Alina Hanf, Steffen Daub, Siyer Roohani, Yves Gramlich, Esther Lutgens, Eberhard Schulz, Christian Becker, Karl J Lackner, Hartmut Kleinert, Christoph Knosalla, Beate Niesler, Philipp S Wild, Thomas Münzel, Andreas Daiber
Aims: CD40 ligand (CD40L) signaling controls vascular oxidative stress and related dysfunction in angiotensin-II-induced arterial hypertension by regulating vascular immune cell recruitment and platelet activation. Here we investigated the role of CD40L in experimental hyperlipidemia. Methods and Results: Male wild type and CD40L-/- mice (C57BL/6 background) were subjected to high fat diet for sixteen weeks. Weight, cholesterol, HDL and LDL levels, endothelial function (isometric tension recording), oxidative stress (NADPH oxidase expression, dihydroethidium fluorescence) and inflammatory parameters (inducible nitric oxide synthase, interleukin-6 expression) were assessed...
September 26, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/29031721/cdkal1-a-type-2-diabetes-susceptibility-gene-regulates-mitochondrial-function-in-adipose-tissue
#4
Colin J Palmer, Raphael J Bruckner, Joao A Paulo, Lawrence Kazak, Jonathan Z Long, Amir I Mina, Zhaoming Deng, Katherine B LeClair, Jessica A Hall, Shangyu Hong, Peter-James H Zushin, Kyle L Smith, Steven P Gygi, Susan Hagen, David E Cohen, Alexander S Banks
OBJECTIVES: Understanding how loci identified by genome wide association studies (GWAS) contribute to pathogenesis requires new mechanistic insights. Variants within CDKAL1 are strongly linked to an increased risk of developing type 2 diabetes and obesity. Investigations in mouse models have focused on the function of Cdkal1 as a tRNA(Lys) modifier and downstream effects of Cdkal1 loss on pro-insulin translational fidelity in pancreatic β-cells. However, Cdkal1 is broadly expressed in other metabolically relevant tissues, including adipose tissue...
October 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/29025670/bone-regeneration-biomaterials-as-local-delivery-systems-with-improved-osteoinductive-properties
#5
REVIEW
Victor Martin, Ana Bettencourt
Bone is a mineralized conjunctive tissue, with a unique trauma healing capability. However, the replacement or regeneration of lost bone is not always successful and becomes more difficult the wider the bone defect. A significant growth in the demand for orthopedic and maxillofacial surgical procedures as a result of population aging and increase in chronic diseases as diabetes is a fact and successful approaches for bone regeneration are still needed. Until today, autogenous bone graft continues to be the best solution even with important limitations, as quantity and the requirement of a donator area...
January 1, 2018: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/29025432/psychometric-properties-of-the-diabetes-self-management-questionnaire-dsmq-in-urdu
#6
Allah Bukhsh, Shaun Wen Huey Lee, Priyia Pusparajah, Andreas Schmitt, Tahir Mehmood Khan
BACKGROUND: Numerous study tools on diabetes self-care have been introduced; however, most existing tools do not show expectable and meaningful correlations with patients' glycaemic control. The Diabetes Self-Management Questionnaire (DSMQ) was designed to appraise self-care activities which can predict glycaemic control outcomes. However, this tool has not been validated in Pakistan. Therefore, the aim of this study was to translate and examine the psychometric properties of the Urdu version of DSMQ among type 2 diabetes patients...
October 12, 2017: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/29024702/polycystic-ovarian-syndrome-pcos-long-term-metabolic-consequences
#7
Panagiotis Anagnostis, Basil C Tarlatzis, Robert P Kauffman
Polycystic ovary syndrome (PCOS) is the most common endocrine disorder in women during their reproductive ages, associated with a plethora of cardiometabolic consequences, with obesity, insulin resistance and hyperandrogenemia playing a major role in the degree of such manifestations. These consequences include increased risk of glucose intolerance and diabetes mellitus (both type 2 and gestational), atherogenic dyslipidemia, systemic inflammation, non-alcoholic fatty liver disease, hypertension and coagulation disorders...
October 9, 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29024485/placenta-derived-adherent-stromal-cells-improve-diabetes-mellitus-associated-left-ventricular-diastolic-performance
#8
Sophie Van Linthout, Nazha Hamdani, Kapka Miteva, Annika Koschel, Irene Müller, Lena Pinzur, Zami Aberman, Kathleen Pappritz, Wolfgang Albrecht Linke, Carsten Tschöpe
Left ventricular (LV) diastolic dysfunction is among others attributed to cardiomyocyte stiffness. Mesenchymal stromal cells (MSC) have cardiac-protective properties. We explored whether intravenous (i.v.) application of PLacenta-eXpanded (PLX) MSC-like cells (PLX) improves LV diastolic relaxation in streptozotocin (STZ)-induced diabetic mice and investigated underlying mechanisms. Diabetes mellitus was induced by STZ application (50 mg/kg body weight) during five subsequent days. One week after the first STZ injection, PLX or saline were i...
October 10, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29024402/blueberry-metabolites-attenuate-lipotoxicity-induced-endothelial-dysfunction
#9
Divya Bharat, Rafaela Ramos Mororo Cavalcanti, Chrissa Petersen, Nathan Begaye, Brett Ronald Cutler, Marcella Melo Assis Costa, Renata Kelly Luna Gomes Ramos, Marina Ramos Ferreira, Youyou Li, Leena P Bharath, Emma Toolson, Paul Sebahar, Ryan E Looper, Thunder Jalili, Namakkal S Rajasekaran, Zhenquan Jia, J David Symons, Anandh Babu Pon Velayutham
SCOPE: Lipotoxicity-induced endothelial dysfunction is an important vascular complication associated with diabetes. Clinical studies support the vascular benefits of blueberry anthocyanins, but the underlying mechanism is unclear. We tested the hypothesis that metabolites of blueberry anthocyanins attenuate lipotoxicity-induced endothelial dysfunction. METHODS AND RESULTS: Human aortic endothelial cells (HAECs) were treated for 6 h with either: (i) the parent anthocyanins (malvidin-3-glucoside and cyanidin-3-glucoside); or (ii) the blueberry metabolites (hydroxyhippuric acid, hippuric acid, benzoic acid-4-sulfate, isovanillic acid-3-sulfate, and vanillic acid-4-sulfate), at concentrations known to circulate in humans following blueberry consumption...
October 12, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/29018410/next-generation-beneficial-microbes-the-case-of-akkermansia-muciniphila
#10
REVIEW
Patrice D Cani, Willem M de Vos
Metabolic disorders associated with obesity and cardiometabolic disorders are worldwide epidemic. Among the different environmental factors, the gut microbiota is now considered as a key player interfering with energy metabolism and host susceptibility to several non-communicable diseases. Among the next-generation beneficial microbes that have been identified, Akkermansia muciniphila is a promising candidate. Indeed, A. muciniphila is inversely associated with obesity, diabetes, cardiometabolic diseases and low-grade inflammation...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28993246/vitamin-d-and-the-paraventricular-nucleus-relevance-for-type-2-diabetes
#11
Keisha Harrison, Stephanie Sisley
Vitamin D deficiency is linked to type 2 diabetes and we recently showed this may be through action of vitamin D in the paraventricular nuclei (PVN) in the hypothalamus of the brain. This review focuses on the known roles of the PVN in glucose control and how previously discovered actions of vitamin D in other tissues may translate to action in the PVN. Specifically, we focus on the role of insulin and inflammation in the hypothalamus and how these may be modified through vitamin D action.
October 6, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28991365/arterial%C3%A2-stiffness-cognitive-impairment-and-dementia-real-risk-or-confounding-factor
#12
REVIEW
M Florencia Iulita, Adrián Noriega de la Colina, Hélène Girouard
Large artery stiffness is a frequent condition that arises with aging, and is accelerated by the presence of co-morbidities like hypertension, obesity and diabetes. Although epidemiological studies have indicated an association between arterial stiffness, cognitive impairment and dementia, the precise effects of stiff arteries on the brain remains obscure. This is because, in humans, arterial stiffness is often accompanied by other factors such as age, high blood pressure, atherosclerosis and inflammation, which could themselves damage the brain independently of stiffness...
October 9, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28986361/regulating-microrna-expression-at-the-heart-of-diabetes-mellitus-and-the-mitochondrion
#13
Quincy A Hathaway, Mark V Pinti, Andrya J Durr, Shanawar Waris, Danielle L Shepherd, John M Hollander
Type 2 diabetes mellitus is a major risk factor for cardiovascular disease and mortality. Uncontrolled type 2 diabetes mellitus results in a systemic milieu of increased circulating glucose and fatty acids. The development of insulin resistance in cardiac tissue decreases cellular glucose import and enhances mitochondrial fatty acid uptake. While triacylglycerol and cytotoxic lipid species begin to accumulate in the cardiomyocyte, the energy substrate utilization ratio of free fatty acids (FFAs) to glucose changes to almost entirely FFAs...
October 6, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28985395/nonhuman-primates-and-translational-research-cardiovascular-disease
#14
Laura A Cox, Michael Olivier, Kimberly Spradling-Reeves, Genesio M Karere, Anthony G Comuzzie, John L VandeBerg
Cardiovascular disease (CVD) is the leading cause of morbidity and mortality in the United States. Human epidemiological studies provide challenges for understanding mechanisms that regulate initiation and progression of CVD due to variation in lifestyle, diet, and other environmental factors. Studies describing metabolic and physiologic aspects of CVD, and those investigating genetic and epigenetic mechanisms influencing CVD initiation and progression, have been conducted in multiple Old World nonhuman primate (NHP) species...
August 28, 2017: ILAR Journal
https://www.readbyqxmd.com/read/28985385/evaluating-an-indigenous-health-curriculum-for-diabetes-prevention-engaging-the-community-through-talking-circles-and-knowledge-translation-of-results
#15
Maedeh Khayyat Kholghi, Gillian Bartlett, Morgan Phillips, Jon Salsberg, Alex M McComber, Ann C Macaulay
Background: Kahnawà:ke is a Kanien'kehá:ka (Mohawk) community in Quebec, Canada. In 1997, the community-controlled Kateri Memorial Hospital Centre in partnership with the Kahnawake Education Center, and the Kahnawake Schools Diabetes Prevention Project (KSDPP) developed an elementary school diabetes prevention health education program, aimed to increase knowledge of Type 2 diabetes, healthy eating and active lifestyles. Long-term goals for KSDPP community and school interventions are to decrease obesity and diabetes...
July 24, 2017: Family Practice
https://www.readbyqxmd.com/read/28979668/micrornas-new-players-in-cataract
#16
REVIEW
Xin Yu, Heyi Zheng, Matthew Tv Chan, William Ka Kei Wu
Cataract is the most common cause of blindness worldwide. Multiple factors such as aging, eye injury, diabetes mellitus, ultraviolet exposure, drug use and other ocular diseases are etiologically linked to cataractogenesis. Due to a rapid increase in aging population, age-related cataract has become the leading cause of blindness. Therefore, it is urgent to understand the molecular mechanism underlying cataractogenesis. MicroRNAs (miRNAs) are a group of endogenous, small noncoding RNAs that regulate gene expression at the post-translational level through binding with the 3'-untranslated regions of target mRNAs...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28978794/delivery-of-monocyte-lineage-cells-in-a-biomimetic-scaffold-enhances-tissue-repair
#17
Michael S Hu, Graham G Walmsley, Leandra A Barnes, Kipp Weiskopf, Robert C Rennert, Dominik Duscher, Michael Januszyk, Zeshaan N Maan, Wan Xing Hong, Alexander Tm Cheung, Tripp Leavitt, Clement D Marshall, Ryan C Ransom, Samir Malhotra, Alessandra L Moore, Jayakumar Rajadas, H Peter Lorenz, Irving L Weissman, Geoffrey C Gurtner, Michael T Longaker
The monocyte lineage is essential to normal wound healing. Macrophage inhibition or knockout in mice results in impaired wound healing through reduced neovascularization, granulation tissue formation, and reepithelialization. Numerous studies have either depleted macrophages or reduced their activity in the context of wound healing. Here, we demonstrate that by increasing the number of macrophages or monocytes in the wound site above physiologic levels via pullulan-collagen composite dermal hydrogel scaffold delivery, the rate of wound healing can be significantly accelerated in both wild-type and diabetic mice, with no adverse effect on the quality of repair...
October 5, 2017: JCI Insight
https://www.readbyqxmd.com/read/28978633/international-union-of-basic-and-clinical-pharmacology-cii-pharmacological-modulation-of-h2s-levels-h2s-donors-and-h2s-biosynthesis-inhibitors
#18
REVIEW
Csaba Szabo, Andreas Papapetropoulos
Over the last decade, hydrogen sulfide (H2S) has emerged as an important endogenous gasotransmitter in mammalian cells and tissues. Similar to the previously characterized gasotransmitters nitric oxide and carbon monoxide, H2S is produced by various enzymatic reactions and regulates a host of physiologic and pathophysiological processes in various cells and tissues. H2S levels are decreased in a number of conditions (e.g., diabetes mellitus, ischemia, and aging) and are increased in other states (e.g., inflammation, critical illness, and cancer)...
October 2017: Pharmacological Reviews
https://www.readbyqxmd.com/read/28978166/metabolomic-biomarkers-of-pancreatic-cancer-a-meta-analysis-study
#19
Khyati Y Mehta, Hung-Jen Wu, Smrithi S Menon, Yassi Fallah, Xiaogang Zhong, Nasser Rizk, Keith Unger, Mark Mapstone, Massimo S Fiandaca, Howard J Federoff, Amrita K Cheema
Pancreatic cancer (PC) is an aggressive disease with high mortality rates, however, there is no blood test for early detection and diagnosis of this disease. Several research groups have reported on metabolomics based clinical investigations to identify biomarkers of PC, however there is a lack of a centralized metabolite biomarker repository that can be used for meta-analysis and biomarker validation. Furthermore, since the incidence of PC is associated with metabolic syndrome and Type 2 diabetes mellitus (T2DM), there is a need to uncouple these common metabolic dysregulations that may otherwise diminish the clinical utility of metabolomic biosignatures...
September 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28976454/the-gut-and-its-microbiome-as-related-to-central-nervous-system-functioning-and-psychological-well-being-introduction-to-the-special-issue-of-psychosomatic-medicine
#20
Emeran A Mayer, Elaine Y Hsiao
Accumulating evidence indicates bidirectional associations between the brain and the gut microbiome with both top-down and bottom-up processes. This article describes new developments in brain-gut interactions as an introduction to a special issue of Psychosomatic Medicine, based on a joint symposium of the American Psychosomatic Society and the American Gastroenterological Association. Literature review articles indicate that several psychiatric disorders are associated with altered gut microbiota, whereas evidence linking functional gastrointestinal disorders and dysbiosis has not been firmly established...
October 2017: Psychosomatic Medicine
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