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Diabetes AND Complement

Kevin J Bennett, Suzanne McDermott, Joshua R Mann, James Hardin
BACKGROUND: Receiving recommended services for patients with diabetes is associated with improved outcomes and reduced morbidity. People with diabetes who also have a condition associated with disability represent one group that is at risk for health disparities. OBJECTIVE: To examine service utilization among persons with selected disabling conditions and diabetes, compared to those without. METHODS: 2007-2012 Medical Expenditure Panel Survey Full-Year Consolidated files, medical conditions files, and the 1996-2012 pooled linkage files were merged for this analysis...
September 13, 2016: Disability and Health Journal
Andrew J Krentz, Marcus Hompesch
The clinical utility of diabetes biomarkers can be considered in terms of diagnosis, management and prediction of long-term vascular complications. Glucose satisfies all of these requirements. Thresholds of hyperglycemia diagnostic of diabetes reflect inflections that confer a risk of developing long-term microvascular complications. Degrees of hyperglycemia (impaired fasting glucose, impaired glucose tolerance) that lie below the diagnostic threshold for diabetes identify individuals at risk of progression to diabetes and/or development of atherothrombotic cardiovascular disease...
October 13, 2016: Biomarkers in Medicine
Fengming Liu, Rupam Sahoo, Xiaowen Ge, Lin Wu, Pamela Ghosh, Xuebin Qin, Jose A Halperin
AIMS: Clinical and experimental evidence supports a strong link between the complement system, complement regulatory proteins and the pathogenesis of diabetes vascular complications. We previously reported that the complement regulatory protein CD59 is inactivated by glycation in humans with diabetes. Our objective for this study is to assess experimentally how the deficiency of CD59 impacts the development of diabetic atherosclerosis in vivo. METHODS: We crossed mCD59 sufficient and deficient mice into the ApoE(-/-) background to generate mCd59ab(+/+)/ApoE(-/-) and mCd59ab(-/-)/ApoE(-/-) mice, and induced diabetes by multiple low dose injections of streptozotocin...
August 28, 2016: Journal of Diabetes and its Complications
Abhilash Guduru, Teresa G Martz, Alexa Waters, Abhijit V Kshirsagar, Seema Garg
Purpose: The purpose of this study was to determine retinal hemoglobin oxygen saturation (SO2) in patients with diabetic retinopathy (DR) using retinal oximetry (RO) and to correlate the degree of retinal ischemia using intravenous fluorescein angiography (IVFA). Methods: This is a single-center cross-sectional cohort study. Twenty-seven controls and 60 adult patients with diabetes mellitus (16 without DR and 44 with DR) were enrolled. Patients were stratified according to DR severity...
October 1, 2016: Investigative Ophthalmology & Visual Science
Blanca I Restrepo
Despite major advances in tuberculosis (TB) control, TB continues to be a leading cause of death worldwide. The discovery of new anti-TB treatment drugs and regimens that target drug-sensitive and drug-resistant TB are being complemented with a search for adjunct host-directed therapies that synergize for Mycobacterium tuberculosis (Mtb) elimination. The goal of host-directed therapies is to boost immune mechanisms that diminish excess inflammation to reduce lung tissue damage and limit Mtb growth. Metformin is the most commonly-used medication for type 2 diabetes, and a candidate for host-directed therapy for TB...
September 28, 2016: Tuberculosis
Yuanzhong Xu, Qingchun Tong
Leptin monotherapy is sufficient to restore euglycemia in insulinopenic type 1 diabetes (T1D), yet the underlying mechanism remains poorly understood. Accumulating evidence demonstrates that the brain mediates the leptin action on euglycemia restoration. Here, we first review evidence supporting that symptoms in T1D resemble an uncontrolled response to fasting. Then, we discuss recent research progress on brain neurons and their neurotransmitters that potentially mediate the leptin action. Finally, peripheral effective pathways, which are normally involved in fasting responses and associated with leptin action on euglycemia restoration in T1D, will also be discussed...
October 1, 2016: International Journal of Biochemistry & Cell Biology
Gustavo Tadeu Volpato, Rafaianne Queiroz Moraes-Souza, Thaigra Sousa Soares, Thais Leal-Silva, Débora Cristina Damasceno
Diabetes mellitus is a syndrome of great importance that affects an increasing number of people every day. In particular, diabetes is a common and important disease during pregnancy and is marked by complications, both fetal and maternal, that increase the risks of morbidity and mortality for diabetic pregnant women and their offspring. Drugs such as insulin and hypoglycemic drugs are given to treat diabetes, but regular exercise and adequate diet have also been indicated. Furthermore, coadjutant therapies such as medicinal plants are popularly used to reduce diabetes-induced hyperglycemia, either within or outside the context of pregnancy...
October 3, 2016: Current Medicinal Chemistry
Xiaofang Bian, Clive Wasserfall, Garrick Wallstrom, Jie Wang, Haoyu Wang, Kristi Barker, Desmond Schatz, Mark Atkinson, Ji Qiu, Joshua LaBaer
We performed an unbiased proteome-scale profiling of humoral autoimmunity in recent-onset type 1 diabetes (T1D) patients and non-diabetic controls against ~10,000 human proteins using a Nucleic Acid Programmable Protein Array (NAPPA) platform, complemented by a knowledge-based selection of proteins from genes enriched in human pancreas. Although the global response was similar between cases and controls, we identified and then validated six specific novel T1D-associated autoantibodies (AAbs) with sensitivities that ranged from 16% to 27% at 95% specificity...
October 3, 2016: Journal of Proteome Research
Richard D Beger, Warwick Dunn, Michael A Schmidt, Steven S Gross, Jennifer A Kirwan, Marta Cascante, Lorraine Brennan, David S Wishart, Matej Oresic, Thomas Hankemeier, David I Broadhurst, Andrew N Lane, Karsten Suhre, Gabi Kastenmüller, Susan J Sumner, Ines Thiele, Oliver Fiehn, Rima Kaddurah-Daouk
INTRODUCTION BACKGROUND TO METABOLOMICS: Metabolomics is the comprehensive study of the metabolome, the repertoire of biochemicals (or small molecules) present in cells, tissues, and body fluids. The study of metabolism at the global or "-omics" level is a rapidly growing field that has the potential to have a profound impact upon medical practice. At the center of metabolomics, is the concept that a person's metabolic state provides a close representation of that individual's overall health status...
2016: Metabolomics: Official Journal of the Metabolomic Society
R K F Fung, I H Kerridge
In Australia, and internationally, the shortage of organ and tissue donors significantly limits the number of patients with critical organ or tissue failure who are able to receive a transplant each year. The rationale for xenotransplantation - the transplantation of living cells, tissues or organs from one species to another - is to meet this shortfall in human donor material. While early clinical trials showed promise, particularly in patients with type I diabetes whose insulin dependence could be temporarily reversed by the transplantation of porcine islet cells, these benefits have been balanced with scientific, clinical and ethical concerns revolving around the risks of immune rejection and the potential transmission of porcine endogenous retroviruses or other infectious agents from porcine grafts to human recipients...
September 2016: Internal Medicine Journal
Muhammed Afsal, Veena Chowdhury, Anjali Prakash, Sapna Singh, Neera Chowdhury
PURPOSE: Traditionally, peripheral nerve lesions are diagnosed on the basis of clinical history, physical examination, and electrophysiological studies, and the role of imaging studies has been limited. The purpose of the study was to assess the usefulness of sonography in diagnosing peripheral nerve lesions. MATERIALS AND METHODS: Thirty adult patients with peripheral nerve lesion/s and 30 healthy adult volunteers were included in the study, and sonography of the relevant peripheral nerve/s was done...
September 2016: Neurology India
Jonathan Adam, Stefan Brandmaier, Jörn Leonhardt, Markus F Scheerer, Robert P Mohney, Tao Xu, Jie Bi, Markus Rotter, Martina Troll, Shen Chi, Margit Heier, Christian Herder, Wolfgang Rathmann, Guido Giani, Jerzy Adamski, Thomas Illig, Konstantin Strauch, Yixue Li, Christian Gieger, Annette Peters, Karsten Suhre, Donna Ankerst, Thomas Meitinger, Martin Hrabe de Angelis, Michael Roden, Susanne Neschen, Gabi Kastenmüller, Rui Wang-Sattler
Metformin is the first-line oral medication to increase insulin sensitivity in patients with type 2 diabetes (T2D). Our aim is to investigate metformin's pleiotropic effect using a non-targeted metabolomics approach. We analyzed 353 metabolites in fasting serum samples of the population-based human KORA F4 cohort. To compare T2D patients treated with metformin (mt-T2D, n=74) and those without antidiabetic medication (ndt-T2D, n=115), we used multivariable linear regression models in a cross-sectional study...
September 12, 2016: Diabetes
Alejandro Cardoso Landaburu, María Pomares, Alfredo Avalos, Silvia Lapertosa, Gustavo Frechtel, Edgardo Poskus
The prevalence and high levels of anti-insulin antibodies (IA) have frequently been associated with brittle diabetes, lipodystrophy in the areas where the insulin is injected and/or poor metabolic control. When this happens the usual criterion adopted is the empirical change of insulin type and/or formulation intending to diminish the IA level and then to decrease the undesirable side-effects. Here, we present a rational two step radiometric method consisting in: A) a first-line radioligand binding assay (RBA) to assess IA in sera of these patients and detecting those with high levels...
2016: MethodsX
Zhikui Wang, Zhaoxia Wang, Zhongqi Zhou, Yueqin Ren
BACKGROUND: This study sought to investigate crucial genes correlated with diabetic nephropathy (DN), and their potential functions, which might contribute to a better understanding of DN pathogenesis. METHODS: The microarray dataset GSE1009 was downloaded from Gene Expression Omnibus, including 3 diabetic glomeruli samples and 3 healthy glomeruli samples. The differentially expressed genes (DEGs) were identified by LIMMA package. Their potential functions were then analyzed by the GO and KEGG pathway enrichment analyses using the DAVID database...
2016: BMC Nephrology
Austin L Chiang, Marvin Ryou
PURPOSE OF REVIEW: Obesity and its comorbid illnesses affect millions worldwide and are one of the major causes of preventable death in the world. Bariatric surgery is currently offered to individuals with a BMI greater than 40 kg/m or greater than 35 kg/m with obesity-related comorbidities such as hypertension or diabetes. Endoscopic bariatric therapies, with their reduced invasiveness and potential reversibility, may complement surgical approaches for achieving weight loss. RECENT FINDINGS: At the time of this writing, two endoscopically placed intragastric balloons and an endoscopically placed aspiration tube have been approved by the Food and Drug Administration for weight loss purposes...
November 2016: Current Opinion in Gastroenterology
Yaoyao Sun, Yong Liang, Peng Zhou, Huijuan Wu, Xianru Hou, Zeqin Ren, Xiaoxin Li, Mingwei Zhao
BACKGROUND: To present a comprehensive approach for the management of patients with neovascular glaucoma (NVG) aiming to preserve visual function and complement pan-retinal photocoagulation (PRP) by anti-vascular endothelial growth factor (anti-VEGF) treatment and anti-glaucoma surgery. METHODS: This study includes a prospective, interventional case series. A process flow chart for NVG management was designed. Totally 50 patients (51 eyes) with NVG were included...
August 30, 2016: BMC Ophthalmology
Zhou-Yang Jiao, Jing Wu, Chao Liu, Bing Wen, Wen-Zeng Zhao, Xin-Ling Du
Obesity is associated with chronic low‑grade inflammation, which is characterized by increased infiltration of macrophages into adipose tissue. Acylation stimulating protein (ASP) is an adipokine derived from the immune complement system, which constitutes a link between adipocytes and macrophages, and is involved in energy homeostasis and inflammation. The purpose of the present study was to preliminarily investigate in vitro, whether functional α7nAChR in adipocytes may suppress ASP‑induced inflammation and determine the possible signaling mechanism...
October 2016: Molecular Medicine Reports
Hai Nguyen, Eddie A James
Conversion of arginine into citrulline is a post-translational modification that is observed in normal physiological processes. However, abnormal citrullination can provoke autoimmunity by generating altered self-epitopes that are specifically targeted by autoantibodies and T cells. In this review we discuss the recognition of citrullinated antigens in human autoimmune diseases and the role that this modification plays in increasing antigenic diversity and circumventing tolerance mechanisms. Early published work demonstrated that citrullinated proteins are specifically targeted by autoantibodies in rheumatoid arthritis and that citrullinated peptides are more readily presented to T cells by arthritis-susceptible HLA class II 'shared epitope' proteins...
October 2016: Immunology
Julio Rosenstock, Ronnie Aronson, George Grunberger, Markolf Hanefeld, PierMarco Piatti, Pierre Serusclat, Xi Cheng, Tianyue Zhou, Elisabeth Niemoeller, Elisabeth Souhami, Melanie Davies
OBJECTIVE: To evaluate efficacy and safety of LixiLan (iGlarLixi), a novel titratable fixed-ratio combination of insulin glargine (iGlar) and lixisenatide (Lixi), compared with both components, iGlar and Lixi, given separately in type 2 diabetes inadequately controlled on metformin with or without a second oral glucose-lowering drug. RESEARCH DESIGN AND METHODS: After a 4-week run-in to optimize metformin and stop other oral antidiabetic drugs, participants (N = 1,170, mean diabetes duration ∼8...
August 15, 2016: Diabetes Care
Xiao-Rui Liu, Yu-Na Guo, Chuan-Mei Qin, Xiao-Li Qin, Fei Tao, Fei Su, Fu-Ju Tian, Yan Zhang, Yi Lin
Intrauterine infection is one of the most frequent causes of miscarriage. CpG oligodeoxynucleotide (CpG ODN) can mimic intrauterine infection. CpG ODN-induced embryo-resorption was observed consistently in the NK-cell deficient non-obese diabetic (NOD) mice but not in the wild-type (WT) mice. To elucidate the molecular mechanisms of differential pregnancy outcomes, differentially expressed genes (DEGs) in the placenta and decidua basalis was revealed by RNA-Seq with CpG ODN or control ODN treatment. Common DEGs in the WT and NOD mice were enriched in antimicrobial/antibacterial humoral responses that may be activated as a primary response to bacterial infection...
2016: International Journal of Molecular Sciences
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