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"Type 1 diabetes"

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https://www.readbyqxmd.com/read/29151123/a-coxsackievirus-b-vaccine-protects-against-virus-induced-diabetes-in-an-experimental-mouse-model-of-type-1-diabetes
#1
Virginia M Stone, Minna M Hankaniemi, Emma Svedin, Amirbabak Sioofy-Khojine, Sami Oikarinen, Heikki Hyöty, Olli H Laitinen, Vesa P Hytönen, Malin Flodström-Tullberg
AIMS/HYPOTHESIS: Epidemiological studies suggest a role for Coxsackievirus B (CVB) serotypes in the pathogenesis of type 1 diabetes, but their actual contribution remains elusive. In the present study, we have produced a CVB1 vaccine to test whether vaccination against CVBs can prevent virus-induced diabetes in an experimental model. METHODS: NOD and SOCS1-tg mice were vaccinated three times with either a formalin-fixed non-adjuvanted CVB1 vaccine or a buffer control...
November 18, 2017: Diabetologia
https://www.readbyqxmd.com/read/29150935/generation-of-insulin-producing-cells-from-human-adipose-derived-mesenchymal-stem-cells-on-pva-scaffold-by-optimized-differentiation-protocol
#2
Seyed Ehsan Enderami, Masoud Soleimani, Yousef Mortazavi, Samad Nadri, Ali Salimi
The studies have been done on patient-specific human adipose-derived from mesenchymal stem cells (hADSCs) like a series of autologous growth factors and nanofibrous scaffolds (3D culture) will probably have many benefits for regenerative medicine in type 1 diabetes mellitus (TIDM) patients in the future. For this purpose, we established a polyvinyl alcohol (PVA) scaffold and a differentiation protocol by adding platelet-rich plasma (PRP) that induces the hADSCs into insulin-producing cells (IPCs). The Characteristics of the derived IPCs in 3D culture were compared with conventional culture (2D) groups evaluated at the mRNA and protein levels...
November 18, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29149826/novel-functions-of-microrna-17-92-cluster-in-the-endocrine-system
#3
Shan Wan, Xiang Chen, Yuedong He, Xijie Yu
BACKGROUND: MiR-17-92 cluster is coded by MIR17HG in chromosome 13, which is highly conserved in vertebrates. Published literatures have proved that miR-17-92 cluster critically regulates tumorigenesis and metastasis. Recent researches showed that the miR-17-92 cluster also plays novel functions in the endocrine system. OBJECTIVE: To summarize recent findings on the physiological and pathological roles of miR-17-92 cluster in bone, lipid and glucose metabolisms...
November 17, 2017: Current Drug Targets
https://www.readbyqxmd.com/read/29149782/frequency-of-circulatory-regulatory-immune-cells-in-iranian-patients-with-type-1-diabetes
#4
Tahereh Khamehchian, Eqlim Nemati, Marziyeh Jazayeri, Shirin Azimi, Hassan Nikoueinejad, Hossein Akbari, Behnaz Irandoust
Type 1 diabetes (T1D) is the result of the autoimmune destruction of insulin-producing beta cells. Regulatory T cells (Tregs) and plasmacytoid dendritic cells (PDCs) act as mediators of peripheral tolerance. We investigated the possible alterations of such cells in peripheral blood of patients with T1D compared to normal individuals. This comparison may lead to a better understanding of the immunopathogenesis processes involved in T1D. 92 participants, including 49 patients with T1D and 43 healthy controls were studied...
October 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/29148821/the-effect-of-prior-continuous-glucose-monitoring-use-on-glycemic-outcomes-in-the-pivotal-trial-of-the-minimed-%C3%A2-670g-hybrid-closed-loop-system
#5
Toni L Cordero, Satish K Garg, Ronald Brazg, Timothy S Bailey, John Shin, Scott W Lee, Francine R Kaufman
A 3-month pivotal trial using the MiniMed™ 670G hybrid closed-loop (HCL) system in adolescent and adult patients with type 1 diabetes (T1D), relative to a 2-week baseline run-in period, resulted in increased sensor glucose (SG) values in target range (71-180 mg/dL), reduced HbA1c levels, and no events of diabetic ketoacidosis or severe hypoglycemia ( Clinicaltrials.gov : NCT02463097). This brief report evaluated how prior continuous glucose monitoring (CGM) experience influenced glycemic outcomes, in the same pivotal trial...
November 17, 2017: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/29147011/lower-serum-extracellular-superoxide-dismutase-levels-are-associated-with-polyneuropathy-in-recent-onset-diabetes
#6
Alexander Strom, Kirti Kaul, Jutta Brüggemann, Iris Ziegler, Ilka Rokitta, Sonja Püttgen, Julia Szendroedi, Karsten Müssig, Michael Roden, Dan Ziegler
Increased oxidative stress is implicated in the pathogenesis of experimental diabetic neuropathy, but translational evidence in recent-onset diabetes is scarce. We aimed to determine whether markers of systemic oxidative stress are associated with diabetic sensorimotor polyneuropathy (DSPN) in recent-onset diabetes. In this cross-sectional study, we measured serum concentrations of extracellular superoxide dismutase (SOD3), thiobarbituric acid reactive substances (TBARS), and reduced glutathione (GSH) in 107 type 1 and 215 type 2 diabetes patients from the German Diabetes Study baseline cohort and 37 glucose-tolerant individuals (controls)...
November 17, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29146600/n-glycan-profile-and-kidney-disease-in-type-1-diabetes
#7
Mairead L Bermingham, Marco Colombo, Stuart J McGurnaghan, Luke A K Blackbourn, Frano Vučković, Maja Pučić Baković, Irena Trbojević-Akmačić, Gordan Lauc, Felix Agakov, Anna S Agakova, Caroline Hayward, Lucija Klarić, Colin N A Palmer, John R Petrie, John Chalmers, Andrew Collier, Fiona Green, Robert S Lindsay, Sandra Macrury, John A McKnight, Alan W Patrick, Sandeep Thekkepat, Olga Gornik, Paul M McKeigue, Helen M Colhoun
OBJECTIVE: Poorer glycemic control in type 1 diabetes may alter N-glycosylation patterns on circulating glycoproteins, and these alterations may be linked with diabetic kidney disease (DKD). We investigated associations between N-glycans and glycemic control and renal function in type 1 diabetes. RESEARCH DESIGN AND METHODS: Using serum samples from 818 adults who were considered to have extreme annual loss in estimated glomerular filtration rate (eGFR; i.e., slope) based on retrospective clinical records, from among 6,127 adults in the Scottish Diabetes Research Network Type 1 Bioresource Study, we measured total and IgG-specific N-glycan profiles...
November 16, 2017: Diabetes Care
https://www.readbyqxmd.com/read/29145749/first-experiences-with-a-wearable-multisensor-device-in-a-noninvasive-continuous-glucose-monitoring-study-at-home-part-ii-the-investigators-view
#8
Mattia Zanon, Martin Mueller, Pavel Zakharov, Mark S Talary, Marc Donath, Werner A Stahel, Andreas Caduff
BACKGROUND: Extensive past work showed that noninvasive continuous glucose monitoring with a wearable multisensor device worn on the upper arm provides useful information about glucose trends to improve diabetes therapy in controlled and semicontrolled conditions. METHOD: To test previous findings also in uncontrolled conditions, a long term at home study has been organized to collect multisensor and reference glucose data in a population of 20 type 1 diabetes subjects...
November 1, 2017: Journal of Diabetes Science and Technology
https://www.readbyqxmd.com/read/29145717/ctrp9-regulates-growth-differentiation-and-apoptosis-in-human-keratinocytes-through-tgf%C3%AE-1-p38-dependent-pathway
#9
Tae Woo Jung, Hyung Sub Park, Geum Hee Choi, Daehwan Kim, Taeseung Lee
Impairment of wound healing is a common problem in individuals with diabetes. Adiponectin, an adipocyte-derived cytokine, has many beneficial effects on metabolic disorders such as diabetes, obesity, hypertension, and dyslipidemia. C1q/TNF-Related Protein 9 (CTRP9), the closest paralog of adiponectin, has been reported to have beneficial effects on wound healing. In the current study, we demonstrate that CTRP9 regulates growth, differentiation, and apoptosis of HaCaT human keratinocytes. We found that CTRP9 augmented expression of transforming growth factor beta 1 (TGFβ1) by transcription factor activator protein 1 (AP-1) binding activity and phosphorylation of p38 in a dosedependent manner...
November 16, 2017: Molecules and Cells
https://www.readbyqxmd.com/read/29145552/association-between-perceived-barriers-to-diabetes-self-management-and-diabetic-retinopathy-in-asian-patients-with-type-2-diabetes
#10
Ryan Eyn Kidd Man, Eva K Fenwick, Alfred Tau Liang Gan, Charumathi Sabanayagam, Preeti Gupta, Amudha Aravindhan, Tien Yin Wong, Gavin Siew Wei Tan, Ecosse L Lamoureux
Importance: A patient's perceived barriers to diabetes self-management (DSM) may affect his or her risk of diabetic retinopathy (DR); however, few studies have examined this association. Objective: To examine the association between perceived barriers to DSM and the severity spectrum of DR in Asian patients with type 2 diabetes. Design, Setting, and Participants: A cross-sectional clinic-based study, the Singapore Diabetes Management Project, was conducted from December 28, 2010, to March 20, 2013, at the Singapore National Eye Centre, a tertiary eye care institute...
November 16, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/29145539/socioeconomic-deprivation-household-education-and-employment-are-associated-with-increased-hospital-admissions-and-poor-glycemic-control-in-children-with-type-1-diabetes-mellitus
#11
Louise J Apperley, Sze M Ng
BACKGROUND: Socioeconomic deprivation, obesity, and emotional discomfort are important determinants of health inequalities and poor glycemic control in children and young people with type 1 diabetes mellitus (T1D). OBJECTIVES: The aims of this study were to evaluate the incidence of hospital admissions of T1D children in relation to socioeconomic deprivation, and to determine the effects of social deprivation, body mass index (BMI), and patient-reported emotional well-being on glycemic control...
July 2017: Review of Diabetic Studies: RDS
https://www.readbyqxmd.com/read/29145537/the-role-of-iron-in-type-1-diabetes-etiology-a-systematic-review-of-new-evidence-on-a-long-standing-mystery
#12
Karen L Søgaard, Christina Ellervik, Jannet Svensson, Steffen U Thorsen
BACKGROUND: The incidence of type 1 diabetes (T1D) is rising, which might be due to the influence of environmental factors. Biological and epidemiological evidence has shown that excess iron is associated with beta-cell damage and impaired insulin secretion. AIM: In this review, our aim was to assess the association between iron and the risk of T1D. METHODS: A systematic literature search was performed in PubMed and EMBASE in July 2016. Studies investigating the effect of iron status/intake on the risk of developing T1D later were included, and study quality was evaluated...
July 2017: Review of Diabetic Studies: RDS
https://www.readbyqxmd.com/read/29145536/the-effects-of-vitamin-d-supplementation-in-newly-diagnosed-type-1-diabetes-patients-systematic-review-of-randomized-controlled-trials
#13
Elina Gregoriou, Ioannis Mamais, Irene Tzanetakou, Giagkos Lavranos, Stavri Chrysostomou
AIM: The aim of this study was to examine the effects of vitamin D supplementation in patients newly diagnosed with type 1 diabetes (T1D) assessed by insulin needs and changes in glycemic indices, as evidenced by randomized controlled trials (RCTs). METHODS: A total of 7 RCTs were retrieved from PubMed/Medline and EBSCO databases by MeSH term search, and were reviewed systematically. The RCTs included examined the effects of alphacalcidole (n = 2), cholecalciferol (n = 2), and calcitriol (n = 3) supplementation on changes in daily insulin dose (DID), fasting Cpeptide (FCP), stimulated C-peptide (SCP), and HbA1c...
July 2017: Review of Diabetic Studies: RDS
https://www.readbyqxmd.com/read/29144963/translation-and-validation-of-pediatric-quality-of-life-inventory%C3%A2-3-0-diabetes-module-pedsql%C3%A2-3-0-diabetes-module-in-brazil-portuguese-language
#14
Leila F Dos S Garcia, Thais Della Manna, Caroline de Gouveia Buff Passone, Lygia Spassapan de Oliveira
OBJECTIVE: The aim of the present study was to create a translated version of the Pediatric Quality of Life Inventory™ 3.0 Diabetes Module (PedsQL™ 3.0 Diabetes Module) in Brazilian Portuguese that was conceptually equivalent to the original American English version and to linguistically validate it in a Brazilian pediatric population with type 1 diabetes mellitus and their parents or caregivers. METHODS: The instrument was translated, back-translated, and then administered to 83 children/adolescents (5-18 years) with type 1 diabetes mellitus and their family members and to 25 parents/caregivers of patients aged between 2 and 4 years...
November 13, 2017: Jornal de Pediatria
https://www.readbyqxmd.com/read/29144814/self-blood-glucose-monitoring-underestimates-hyperglycemia-and-hypoglycemia-as-compared-to-continuous-glucose-monitoring-in-type-1-and-type-2-diabetes
#15
Devna Mangrola, Christine Cox, Arianne S Furman, Sridevi Krishnan, Sidika E Karakas
OBJECTIVE: When glucose records from self-blood glucose monitoring (SBGM) do not reflect estimated average glucose from HgBA1, or when patients' clinical symptoms are not explained by their SBGM records, clinical management of diabetes becomes a challenge. Our objective was to determine the magnitude of differences in glucose values reported by SBGM vs. documented by continuous glucose monitoring (CGM). METHODS: The CGM was conducted by a clinical diabetes educator/registered nurse by the clinic protocol, using the Medtronic iPRO2™ system...
November 16, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/29144809/preserved-proinsulin-secretion-in-long-standing-type-1-diabetes
#16
Devin W Steenkamp, Jose M Cacicedo, Ayse Sahin-Efe, Catherine Sullivan, Elliot Sternthal
OBJECTIVE: Recent literature, has reported preserved residual beta cell function, (c-peptide "microsecretion") in many individuals with long standing type 1 diabetes. However, the concentrations of detectable insulin/c-peptide in the serum are usually very low, and beta cell mass is typically negligible. Proinsulin is measurable in the early years after diagnosis, consistent with the presence of residual functioning beta cells. However, individuals are not expected to secrete significant amounts of proinsulin beyond the early years after diagnosis...
November 16, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/29144503/mait-cells-in-type-1-diabetes-a-good-friend-turned-bad
#17
Lina Petersone, Lucy S K Walker
No abstract text is available yet for this article.
November 16, 2017: Nature Immunology
https://www.readbyqxmd.com/read/29144024/epidemiology-of-type-1-diabetes-in-polish-children-a-multicentre-cohort-study
#18
Mieczysław Szalecki, Marta Wysocka-Mincewicz, Anna Ramotowska, Artur Mazur, Lucyna Lisowicz, Iwona Ben-Skowronek, Joanna Sieniawska, Bożena Klonowska, Dorota Charemska, Jolanta Nawrotek, Irena Jałowiec, Artur Bossowski, Milena Jamiołkowska, Beata Pyrżak, Grażyna Miszkurka, Agnieszka Szypowska
BACKGROUND: The incidence of childhood Type-1 diabetes (T1D) varies greatly between populations and the estimates and/or predictions of the rates would aid in adequate planning of health care resources. The study's aim was to assess the incidence of T1D in the paediatric population of eastern and central Poland. METHODS: In this cohort study covering the period from January 2010 to December 2014 data were collected for children and adolescents below 18 years of age with newly diagnosed T1D, living in eastern and central Poland...
November 16, 2017: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/29141886/pd-l1-genetic-overexpression-or-pharmacological-restoration-in-hematopoietic-stem-and-progenitor-cells-reverses-autoimmune-diabetes
#19
Moufida Ben Nasr, Sara Tezza, Francesca D'Addio, Chiara Mameli, Vera Usuelli, Anna Maestroni, Domenico Corradi, Silvana Belletti, Luca Albarello, Gabriella Becchi, Gian Paolo Fadini, Christian Schuetz, James Markmann, Clive Wasserfall, Leonard Zon, Gian Vincenzo Zuccotti, Paolo Fiorina
Immunologically based clinical trials performed thus far have failed to cure type 1 diabetes (T1D), in part because these approaches were nonspecific. Because the disease is driven by autoreactive CD4 T cells, which destroy β cells, transplantation of hematopoietic stem and progenitor cells (HSPCs) has been recently offered as a therapy for T1D. Our transcriptomic profiling of HSPCs revealed that these cells are deficient in programmed death ligand 1 (PD-L1), an important immune checkpoint, in the T1D nonobese diabetic (NOD) mouse model...
November 15, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/29141871/potential-approaches-to-prevent-hypoglycemia-associated-autonomic-failure
#20
REVIEW
Eric Lontchi-Yimagou, Jee Young You, Michelle Carey, Ilan Gabriely, Harry Shamoon, Meredith Hawkins
Clear health benefits are associated with intensive glucose control in type 1 diabetes mellitus (T1DM). However, maintaining near-normal glycemia remains an elusive goal for many patients, in large part owing to the risk of severe hypoglycemia. In fact, recurrent episodes of hypoglycemia lead to 'hypoglycemia-associated autonomic failure' (HAAF), characterized by defective counter-regulatory responses to hypoglycemia. Extensive studies to understand the mechanisms underlying HAAF have revealed multiple potential etiologies, suggesting various approaches to prevent the development of HAAF...
November 14, 2017: Journal of Investigative Medicine: the Official Publication of the American Federation for Clinical Research
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