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https://www.readbyqxmd.com/read/28222445/blocking-il-17a-alleviates-diabetic-retinopathy-in-rodents
#1
Ao-Wang Qiu, Qing-Huai Liu, Jun-Ling Wang
BACKGROUND/AIMS: Interleukin (IL)-17A, a proinflammatory cytokine, has been implicated in several autoimmune diseases. However, it is unclear whether IL-17A is involved in diabetic retinopathy (DR), one of the most serious complications of autoimmune diabetes. This study aimed to demonstrate that IL-17A exacerbates DR by affecting retinal Müller cell function. METHODS: High glucose (HG)-treated rat Müller cell line (rMC-1) was exposed to IL-17A, anti-IL-17A-neutralizing monoclonal antibody (mAb) or/and anti-IL-17 receptor (R)A-neutralizing mAb for 24 h...
February 21, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28222023/factors-associated-with-increased-irisin-levels-in-the-type-1-diabetes-mellitus
#2
I Ates, M F Arikan, K Erdogan, M Kaplan, M Yuksel, C Topcuoglu, N Yilmaz, S Guler
OBJECTIVE: The aim of the present study was to determine the irisin levels in patients with the type 1 diabetes mellitus (T1DM) and to examine the relation of irisin levels with the inflammation and autoimmunity. METHODS: This study included 35 cases diagnosed with T1DM and 36 healthy volunteers. Antiglutamic acid decarboxylase (anti-GAD), islet cell antibody (ICA), and insulin autoantibody levels were measured in patients at the time when they were included into the study and recorded from the patient files...
January 1, 2017: Endocrine Regulations
https://www.readbyqxmd.com/read/28219962/psychological-manifestations-of-celiac-disease-autoimmunity-in-young-children
#3
Laura B Smith, Kristian F Lynch, Kalle Kurppa, Sibylle Koletzko, Jeffrey Krischer, Edwin Liu, Suzanne Bennett Johnson, Daniel Agardh
BACKGROUND AND OBJECTIVES: Psychological symptoms can be associated with celiac disease; however, this association has not been studied prospectively in a pediatric cohort. We examined mother report of psychological functioning in children persistently positive for tissue transglutaminase autoantibodies (tTGA), defined as celiac disease autoimmunity (CDA), compared with children without CDA in a screening population of genetically at-risk children. We also investigated differences in psychological symptoms based on mothers' awareness of their child's CDA status...
February 20, 2017: Pediatrics
https://www.readbyqxmd.com/read/28219489/associations-between-autoimmune-diseases-and-attention-deficit-hyperactivity-disorder-a%C3%A2-nationwide-study
#4
Philip Rising Nielsen, Michael Eriksen Benros, Søren Dalsgaard
OBJECTIVE: Recent studies have suggested that autoimmune diseases and immune activation play a part in the pathogenesis of different neurodevelopmental disorders. This study investigated the association between a personal history and a family history of autoimmune disease and the risk of developing attention-deficit/hyperactivity disorder (ADHD). METHOD: A cohort was formed of all singletons born in Denmark from 1990 to 2007, resulting in a study population of 983,680 individuals followed from 1995 to 2012...
March 2017: Journal of the American Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/28218739/suppression-of-islet-homeostasis-protein-thwarts-diabetes-mellitus-progression
#5
Seh-Hoon Oh, Marda L Jorgensen, Clive H Wasserfall, Altin Gjymishka, Bryon E Petersen
During progression to type 1 diabetes, insulin-producing β-cells are lost through an autoimmune attack resulting in unrestrained glucagon expression and secretion, activation of glycogenolysis, and escalating hyperglycemia. We recently identified a protein, designated islet homeostasis protein (IHoP), which specifically co-localizes within glucagon-positive α-cells and is overexpressed in the islets of both post-onset non-obese diabetic (NOD) mice and type 1 diabetes patients. Here we report that in the αTC1...
February 20, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28218466/bullous-pemphigoid-arising-in-a-patient-with-acquired-perforating-dermatosis
#6
S Tani, N Ishii, T Hashimoto, K Tsujioka
A middle-aged Japanese man who had been on haemodialysis treatment for diabetic nephropathy developed multiple itchy papules and nodules, which were histopathologically diagnosed as acquired perforating dermatosis. Two years later he developed oral lesions and subsequently numerous erosive plaques with necrotic crusts on the trunk and extremities. Histopathology of a papule showed a parakeratotic plug intermingled with basophilic, necrotic debris and collagen bundles, along with penetration of collagen bundles across the epidermis and subepidermal blister...
February 20, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28218451/specific-inulin-type-fructan-fibers-protect-against-autoimmune-diabetes-by-modulating-gut-immunity-barrier-function-and-microbiota-homeostasis
#7
Kang Chen, Hao Chen, Marijke M Faas, Bart J de Haan, Jiahong Li, Ping Xiao, Hao Zhang, Julien Diana, Paul de Vos, Jia Sun
SCOPE: Dietary fibers capable of modifying gut barrier and microbiota homeostasis, affect the progression of type 1 diabetes (T1D). Here we aim to compare modulatory effects of inulin-type fructans (ITFs), natural soluble dietary fibers with different degrees of fermentability from chicory root, on T1D development in non-obese diabetic (NOD) mice. METHODS AND RESULTS: Female NOD mice were weaned to long and short chain ITFs [ITF(l) and ITF(s), 5%] supplemented diet up to 24 weeks...
February 20, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28215575/fibronectin-connecting-segment-1-peptide-inhibits-pathogenic-leukocyte-trafficking-and-inflammatory-demyelination-in-experimental-models-of-chronic-inflammatory-demyelinating-polyradiculoneuropathy
#8
Chaoling Dong, Kelsey M Greathouse, Rebecca L Beacham, Steven P Palladino, E Scott Helton, Eroboghene E Ubogu
The molecular determinants of pathogenic leukocyte migration across the blood-nerve barrier (BNB) in chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) are unknown. Specific disease modifying therapies for CIDP are also lacking. Fibronectin connecting segment-1 (FNCS1), an alternatively spliced fibronectin variant expressed by microvascular endothelial cells at sites of inflammation in vitro and in situ, is a counterligand for leukocyte α4 integrin (also known as CD49d) implicated in pathogenic leukocyte trafficking in multiple sclerosis and inflammatory bowel disease...
February 16, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28212742/demonstration-of-tissue-resident-memory-cd8-t-cells-in-insulitic-lesions-in-adult-patients-with-recent-onset-type-1-diabetes
#9
Enida Kuric, Peter Seiron, Lars Krogvold, Bjørn Edwin, Trond Buanes, Kristian F Hanssen, Oskar Skog, Knut Dahl-Jørgensen, Olle Korsgren
Subtypes of CD8(+) T cells in insulitic lesions in biopsy specimens from six subjects with recent-onset type 1 diabetes (T1D) and six nondiabetic matched controls were analyzed using simultaneous multicolor immunofluorescence. Also, insulitic islets based on accumulation of CD3(+) T cells were microdissected with laser-capture microscopy, and gene transcripts associated with inflammation and autoimmunity were analyzed. We found a substantial proportion, 43%, of the CD8(+) T cells in the insulitic lesions to display a tissue resident memory T cell (TRM) (CD8(+)CD69(+)CD103(+)) phenotype in T1D subjects...
March 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28211027/the-inpatient-burden-of-autoimmune-blistering-disease-in-us-children-analysis-of-nationwide-inpatient-sample-data
#10
Ziyou Ren, Derek Y Hsu, Nanette B Silverberg, Jonathan I Silverberg
BACKGROUND: Little is known about the epidemiology of pediatric autoimmune blistering disorders (PAIBD). OBJECTIVE: We sought to determine the inpatient burden and comorbidities of PAIBD. METHODS: We analyzed data from the Nationwide Inpatient Sample from 2002 to 2012, which contained a representative 20% sample of all US hospitalizations. RESULTS: The most common PAIBD with a primary admission was pemphigus (8.0 per million), whereas the most common secondary diagnosis of PAIBD was dermatitis herpetiformis (DH; 9...
February 16, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28205558/plant-based-vaccines-for-oral-delivery-of-type-1-diabetes-related-autoantigens-evaluating-oral-tolerance-mechanisms-and-disease-prevention-in-nod-mice
#11
Amanda L Posgai, Clive H Wasserfall, Kwang-Chul Kwon, Henry Daniell, Desmond A Schatz, Mark A Atkinson
Autoantigen-specific immunological tolerance represents a central objective for prevention of type 1 diabetes (T1D). Previous studies demonstrated mucosal antigen administration results in expansion of Foxp3(+) and LAP(+) regulatory T cells (Tregs), suggesting oral delivery of self-antigens might represent an effective means for modulating autoimmune disease. Early preclinical experiments using the non-obese diabetic (NOD) mouse model reported mucosal administration of T1D-related autoantigens [proinsulin or glutamic acid decarboxylase 65 (GAD)] delayed T1D onset, but published data are conflicting regarding dose, treatment duration, requirement for combinatorial agents, and extent of efficacy...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28201972/cell-based-tolerogenic-therapy-experience-from-animal-models-of-multiple-sclerosis-type-1-diabetes-and-rheumatoid-arthritis
#12
Ivana Stojanović, Mirjana Dimitrijević, Marta Vives-Pi, Maria Jose Mansilla, Irma Pujol-Autonell, Silvia Rodríguez-Fernandez, Lenka Palová-Jelínková, David P Funda, Alisa Gruden-Movsesijan, Ljiljana Sofronić-Milosavljević, Catharien M U Hilkens, Eva Martínez-Cáceres, Djordje Miljković
Cell-based tolerogenic therapy is a promising approach for the treatment of autoimmune diseases and transplant rejection. Regulatory T cells and tolerogenic dendritic cells have been particularly explored in the treatment of various autoimmune disorders in experimental models of disease. Although some of these cells have already been tested in a limited number of clinical trials, there is still a need for preclinical research on tolerogenic cells in animal models of autoimmunity. This review will focus on the relevance of data obtained from studies in experimental animal models for the use of tolerogenic cell-based therapy in humans...
14, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28198767/anti-gal-and-anti-neu5gc-responses-in-nonimmunosuppressed-patients-following-treatment-with-rabbit-anti-thymocyte-polyclonal-iggs
#13
Apolline Salama, Gwénaëlle Evanno, Noha Lim, Juliette Rousse, Ludmilla Le Berre, Arnaud Nicot, Sophie Brouard, Kristina M Harris, Mario R Ehlers, Stephen E Gitelman, Jean-Paul Soulillou
BACKGROUND: Polyclonal anti-human thymocyte rabbit IgGs (anti-thymocyte globulin, ATG) are popular immunosuppressive drugs used to prevent or treat organ or bone-marrow allograft rejection, graft versus host disease, and autoimmune diseases. However, animal-derived glycoproteins are also strongly immunogenic and rabbit ATG induces serum sickness disease in almost all patients without additional immunosuppressive drugs, as seen in the START trial of ATG therapy in new-onset type 1 diabetes...
February 14, 2017: Transplantation
https://www.readbyqxmd.com/read/28198081/latent-autoimmune-diabetes-in-adults-lada-in-asian-and-european-populations
#14
REVIEW
Alok Kumar, Alberto de Leiva
Diabetes Mellitus (DM) is a chronic disorder caused by relative or absolute insulin deficiency and characterized by chronic hyperglycaemia. It is expected that by year 2025, 80% of all Type 2 Diabetic patients will be living in developing or low and middle income countries. Among Asians, there has been an overall increase in abdominal obesity however, the risk of diabetes in these populations starts at much lower body mass index (BMI) as compared to Caucasians. A significant proportion of diabetic patients with adult-onset, initially non-requiring insulin treatment, depicts diabetes-associated autoantibodies in their sera...
February 14, 2017: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/28192476/th40-cells-cd4-cd40-tcells-drive-a-more-severe-form-of-experimental-autoimmune-encephalomyelitis-than-conventional-cd4-t-cells
#15
Gisela M Vaitaitis, Martin G Yussman, Dan M Waid, David H Wagner
CD40-CD154 interaction is critically involved in autoimmune diseases, and CD4 T cells play a dominant role in the Experimental Autoimmune Encephalomyelitis (EAE) model of Multiple Sclerosis (MS). CD4 T cells expressing CD40 (Th40) are pathogenic in type I diabetes but have not been evaluated in EAE. We demonstrate here that Th40 cells drive a rapid, more severe EAE disease course than conventional CD4 T cells. Adoptively transferred Th40 cells are present in lesions in the CNS and are associated with wide spread demyelination...
2017: PloS One
https://www.readbyqxmd.com/read/28192452/increased-risk-of-dementia-in-patients-hospitalized-with-acute-kidney-injury-a-nationwide-population-based-cohort-study
#16
Hsin-Hsi Tsai, Ruoh-Fang Yen, Cheng-Li Lin, Chia-Hung Kao
PURPOSE: To determine whether acute kidney injury (AKI) is a risk factor for dementia. METHODS: This nationwide population-based cohort study was based on data from the Taiwan National Health Insurance Research Database for 2000-2011. The incidence and relative risk of dementia were assessed in 207788 patients hospitalized for AKI. The comparison control was selected using the propensity score based on age, sex, index year and comorbidities. RESULTS: During the 12-year follow-up, patients with AKI had a significantly higher incidence for developing dementia than did the controls (8...
2017: PloS One
https://www.readbyqxmd.com/read/28190773/%C3%AE-cells-that-resist-immunological-attack-develop-during-progression-of-autoimmune-diabetes-in-nod-mice
#17
Jinxiu Rui, Songyan Deng, Arnon Arazi, Ana Luisa Perdigoto, Zongzhi Liu, Kevan C Herold
Type 1 diabetes (T1D) is a chronic autoimmune disease that involves immune-mediated destruction of β cells. How β cells respond to immune attack is unknown. We identified a population of β cells during the progression of T1D in non-obese diabetic (NOD) mice that survives immune attack. This population develops from normal β cells confronted with islet infiltrates. Pathways involving cell movement, growth and proliferation, immune responses, and cell death and survival are activated in these cells. There is reduced expression of β cell identity genes and diabetes antigens and increased immune inhibitory markers and stemness genes...
February 4, 2017: Cell Metabolism
https://www.readbyqxmd.com/read/28190705/risk-of-autoimmune-diseases-and-human-papilloma-virus-hpv-vaccines-six-years-of-case-referent-surveillance
#18
Lamiae Grimaldi-Bensouda, Michel Rossignol, Isabelle Koné-Paut, Alain Krivitzky, Christine Lebrun-Frenay, Johanna Clet, David Brassat, Caroline Papeix, Marc Nicolino, Pierre-Yves Benhamou, Olivier Fain, Nathalie Costedoat-Chalumeau, Marie-France Courcoux, Jean-François Viallard, Bertrand Godeau, Thomas Papo, Patrick Vermersch, Isabelle Bourgault-Villada, Gerard Breart, Lucien Abenhaim
BACKGROUND: Safety of HPV vaccines is still in question due to reports of autoimmune diseases (ADs) following HPV immunization. OBJECTIVES: To assess the risk of ADs associated with HPV vaccination of female adolescents/young adults in France. METHODS: Systematic prospective case-referent study conducted to assess the risks associated with real-life use of HPV vaccines. Cases were female 11-25 years old with incident ADs [central demyelination/multiple sclerosis (CD/MS), connective tissue disease (CTD), Guillain-Barré syndrome (GBS), type-1 diabetes (T1D), autoimmune thyroiditis (AT), and idiopathic thrombocytopenic purpura (ITP)]...
February 9, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28188747/high-incidence-of-celiac-disease-in-a-long-term-study-of-adolescents-with-susceptibility-genotypes
#19
Edwin Liu, Fran Dong, Anna E Barón, Iman Taki, Jill M Norris, Brigitte I Frohnert, Edward J Hoffenberg, Marian Rewers
BACKGROUND & AIMS: Little is known about the incidence of celiac disease in the general population of children in the United States. We aimed to estimate the cumulative incidence of celiac disease in adolescents born in the Denver metropolitan area. METHODS: We collected data on HLA-DR, DQ genotypes of 31,766 infants, born from 1993 through 2004 at St. Joseph's Hospital in Denver, from the Diabetes Autoimmunity Study in the Young. Subjects with susceptibility genotypes for celiac disease and type 1 diabetes were followed for up to 20 years for development of tissue transglutaminase autoantibodies (tTGA)...
February 7, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28186081/gaba-signaling-a-route-to-new-pancreatic-%C3%AE-cells-in-type-1-diabetes
#20
Guy A Rutter
An ability to convert between pancreatic islet cell types may provide a new approach to replace insulin-secreting β cells destroyed by autoimmune attack in Type 1 diabetes. Two papers, which have recently appeared in Cell, describe how this might be achieved.
February 10, 2017: Cell Research
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