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https://www.readbyqxmd.com/read/29208204/durable-renal-response-after-combination-of-bortezomib-corticosteroids-rituximab-and-plasmapheresis-for-late-antibody-mediated-renal-transplant-rejection%C3%A2
#1
Yanli Ding, Jean Francis, Amitabh Gautam, Linda Pelletier, Vaishali Sanchorawala, Karen Quillen
Late occurrence of antibody-mediated rejection (AMR), defined as occurring 6 months after transplantation, is associated with poor renal allograft survival, compared to early acute AMR and acute cellular rejection. The proteasome inhibitor bortezomib has multiple immunomodulatory effects on plasma cells, the source of donor-specific HLA antibodies which mediate AMR. MATERIALS AND METHODS: Consecutive patients who presented with biopsy-proven AMR and donor-specific anti-HLA antibodies (DSA) at a single institution between July 2011 and February 2015 were included...
December 6, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/29204051/intestinal-epithelium-intraepithelial-lymphocytes-and-the-gut-microbiota-key-players-in-the-pathogenesis-of-celiac-disease
#2
REVIEW
Bożena Cukrowska, Agnieszka Sowińska, Joanna Beata Bierła, Elżbieta Czarnowska, Anna Rybak, Urszula Grzybowska-Chlebowczyk
Celiac disease (CD) is a chronic immune-mediated disorder triggered by the ingestion of gluten in genetically predisposed individuals. Before activating the immune system, gluten peptides are transferred by the epithelial barrier to the mucosal lamina propria, where they are deamidated by intestinal tissue transglutaminase 2. As a result, they strongly bind to human leucocyte antigens (HLAs), especially HLA-DQ2 and HLA-DQ8, expressed on antigen-presenting cells. This induces an inflammatory response, which results in small bowel enteropathy...
November 14, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29191561/epitope-specific-immunotherapy-targeting-cd4-positive-t-cells-in-celiac-disease-safety-pharmacokinetics-and-effects-on-intestinal-histology-and-plasma-cytokines-with-escalating-dose-regimens-of-nexvax2-in-a-randomized-double-blind-placebo-controlled-phase-1
#3
A James M Daveson, Hooi C Ee, Jane M Andrews, Timothy King, Kaela E Goldstein, John L Dzuris, James A MacDougall, Leslie J Williams, Anita Treohan, Michael P Cooreman, Robert P Anderson
BACKGROUND: Nexvax2® is a novel, peptide-based, epitope-specific immunotherapy intended to be administered by regular injections at dose levels that increase the threshold for clinical reactivity to natural exposure to gluten and ultimately restore tolerance to gluten in patients with celiac disease. Celiac disease patients administered fixed intradermal doses of Nexvax2 become unresponsive to the HLA-DQ2·5-restricted gluten epitopes in Nexvax2, but gastrointestinal symptoms and cytokine release mimicking gluten exposure, that accompany the first dose, limit the maximum tolerated dose to 150μg...
November 22, 2017: EBioMedicine
https://www.readbyqxmd.com/read/29182645/hla-and-non-hla-genes-and-familial-predisposition-to-autoimmune-diseases-in-families-with-a-child-affected-by-type-1-diabetes
#4
Anna Parkkola, Antti-Pekka Laine, Markku Karhunen, Taina Härkönen, Samppa J Ryhänen, Jorma Ilonen, Mikael Knip
Genetic predisposition could be assumed to be causing clustering of autoimmunity in individuals and families. We tested whether HLA and non-HLA loci associate with such clustering of autoimmunity. We included 1,745 children with type 1 diabetes from the Finnish Pediatric Diabetes Register. Data on personal or family history of autoimmune diseases were collected with a structured questionnaire and, for a subset, with a detailed search for celiac disease and autoimmune thyroid disease. Children with multiple autoimmune diseases or with multiple affected first- or second-degree relatives were identified...
2017: PloS One
https://www.readbyqxmd.com/read/29163738/a-case-of-moderate-sprue-like-enteropathy-associated-with-telmisartan
#5
Aurelio Negro, Loredana De Marco, Valentina Cesario, Rosaria Santi, Maria Chiara Boni, Magda Zanelli
Sprue-like enteropathy associated with olmesartan medoxomil use has been recently reported. Its clinical manifestations include diarrhea, weight loss and malabsorption. Duodenal biopsies show villous atrophy (VA) with or without intraepithelial lymphocytosis and inflammation of the lamina propria. Serology for celiac disease (CD) is negative and gluten-free diet does not result in clinical improvement. Symptoms resolve after olmesartan discontinuation. Follow-up biopsies show recovery/improvement of the duodenum...
December 2017: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/29162372/genetics-environment-and-asthma-associated-with-celiac-disease-in-the-extended-family-of-an-affected-child
#6
R Sigala-Robles, S V Aguayo-Patrón, A M Calderón de la Barca
INTRODUCTION: Celiac disease (CD) is an autoimmune enteropathy associated with gluten ingestion. In extended families of celiac patients that live in close proximity of one another, shared genetic and environmental factors can predispose them to CD. AIM: The aim of this study was to provide evidence about the genetic and environmental factors involved in the development of CD in the extended family of a pediatric patient. METHODS: The medical history, environmental conditions, and participant weight, height, and peripheral blood samples were evaluated...
November 18, 2017: Revista de Gastroenterología de México
https://www.readbyqxmd.com/read/29146521/hla-dq-gluten-tetramer-blood-test-accurately-identifies-patients-with-and-without-celiac-disease-in-absence-of-gluten-consumption
#7
Vikas K Sarna, Knut E A Lundin, Lars Mørkrid, Shuo-Wang Qiao, Ludvig M Sollid, Asbjørn Christophersen
BACKGROUND & AIMS: Celiac disease is characterized by HLA-DQ2/8-restricted responses of CD4+ T cells to cereal gluten proteins. A diagnosis of celiac disease based on serologic and histologic evidence and duodenal histology requires patients to be on gluten-containing diets. The growing number of individuals adhering to a gluten-free diet (GFD) without exclusion of celiac disease complicates its detection. HLA-DQ-gluten tetramers can be used to detect gluten-specific T cells in blood of patients with celiac disease, even if they are on a GFD...
November 13, 2017: Gastroenterology
https://www.readbyqxmd.com/read/29143181/hla-dq2-and-dq8-haplotypes-frequency-and-diagnostic-utility-in-celiac-disease-patients-of-gaza-strip-palestine
#8
Basim M Ayesh, Eman Kh Zaqout, Maged M Yassin
PURPOSE: Celiac disease (CD) diagnosis can be established by serological and small bowel biopsy (SBB), while absence of HLA-DQ2 and -DQ8 haplotypes excludes the disease. The present study aims at evaluating the diagnosis of a representative sample of pediatric and adult CD patients of Gaza strip in light of DQ2 and DQ8 haplotypes expression. METHODS: Unrelated CD patients (n = 101) and matched healthy controls (n = 97) were genotyped for DQA1*05, DQB1*02 and DQB1*03:02 alleles by allele-specific real-time PCR...
November 15, 2017: Auto- Immunity Highlights
https://www.readbyqxmd.com/read/29113008/-drug-therapy-in-coeliac-disease-from-bench-to-bedside
#9
Jürgen Stein, Jörg-Dieter Schulzke, Detlef Schuppan
Coeliac disease is one of the most common diseases worldwide, with an estimated global prevalence of 0.5 - 1 %. The disease is triggered by a combination of environmental (gluten proteins from wheat, rye or barley) and genetic factors (mainly the human leucocyte antigens HLA-DQ2 or -DQ8). At present, a strict gluten-free diet (GFD) represents the only treatment option. However, strict adherence to a GFD is challenging, since even highly motivated patients may be subject to inadvertent or background exposure to gluten...
November 7, 2017: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/29099018/hla-typing-and-celiac-disease-in-moroccans
#10
Daniela Piancatelli, Imane Ben El Barhdadi, Khadija Oumhani, Pierluigi Sebastiani, Alessia Colanardi, Abdellah Essaid
Genetic and environmental factors are responsible for differences in the prevalence of some diseases across countries. Human leukocyte antigen (HLA) allele frequencies in North African populations show some differences in their distribution compared to Europeans, Mediterraneans, and sub-Saharans, and some specific alleles and haplotypes could be clinically relevant. Celiac disease (CD) has been fast increasing in prevalence in North Africa; but few immunogenetic data are available for this area, in which a high prevalence of the disease has been described...
January 6, 2017: Medical Sciences: Open Access Journal
https://www.readbyqxmd.com/read/29094324/a-caucasian-american-patient-with-celiac-disease-diagnosed-in-japan-and-successfully-treated-with-a-gluten-free-diet
#11
Haruka Wada, Mari Hayashida, Taro Sato, Shintaro Minowa, Osamu Ikezaki, Tatsuya Mitsui, Miki Miura, Yoshihiko Ohmori, Daisuke Saito, Akihito Sakuraba, Hideo Kamiichi, Kengo Tokunaga, Makoto Mochizuki, Junji Shibahara, Hideaki Mori, Tadakazu Hisamatsu
We report the case of a 33-year-old Caucasian American man diagnosed with celiac disease in Japan. He presented to a community hospital because of chronic watery diarrhea and weight loss for 6 months. The laboratory data showed low serum albumin and serum cholesterol. A colonoscopy was normal. He was referred to our hospital for further work-up. Serum tissue transglutaminase immunoglobulin A (IgA) and endomysial antibody were positive. The HLA type was DQ2. Esophagogastroduodenoscopy (EGD) revealed nodular and mosaic-patterned mucosa from the bulb to the second part of the duodenum...
November 1, 2017: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/29083384/why-oats-are-safe-and-healthy-for-celiac-disease-patients
#12
REVIEW
Luud J W J Gilissen, Ingrid M van der Meer, Marinus J M Smulders
The water-insoluble storage proteins of cereals (prolamins) are called "gluten" in wheat, barley, and rye, and "avenins" in oat. Gluten can provoke celiac disease (CD) in genetically susceptible individuals (those with human leukocyte antigen (HLA)-DQ2 or HLA-DQ8 serotypes). Avenins are present at a lower concentration (10%-15% of total protein content) in oat as compared to gluten in wheat (80%-85%). The avenins in the genus Avena (cultivated oat as well as various wild species of which gene bank accessions were analyzed) are free of the known CD immunogenic epitopes from wheat, barley, and rye...
November 26, 2016: Medical Sciences: Open Access Journal
https://www.readbyqxmd.com/read/29064046/hla-infections-and-inflammation-in-early-stages-of-atherosclerosis-in-children-with-type-1-diabetes
#13
Michal Odermarsky, Erkki Pesonen, Timo Sorsa, Åke Lernmark, Pirkko J Pussinen, Petru Liuba
AIMS: This prospective study focuses on risk factors for arterial damage in children with type 1 diabetes (T1D). METHODS: Eighty children and adolescents with T1D were investigated twice, approximately 2 years apart, for carotid artery intima-media thickness (cIMT) and compliance (CAC), flow-mediated dilatation (FMD) of the brachial artery, and plasma levels of matrix metalloproteinase (MMP)-8. All subjects were genotyped for HLA. The number of respiratory tract infections (RTI) during the past year was obtained by a questionnaire in 56 patients...
October 24, 2017: Acta Diabetologica
https://www.readbyqxmd.com/read/28957985/evidence-supporting-serology-based-pathway-for-diagnosing-coeliac-disease-in-asymptomatic-children-from-high-risk-groups
#14
Siba Prosad Paul, Bhupinder Kaur Sandhu, Christine Helen Spray, Dharamveer Basude, Pramila Ramani
OBJECTIVE: The European Society for Paediatric Gastroenterology Hepatology and Nutrition (ESPGHAN) guidelines for diagnosing coeliac disease (CD) in children were modified in 2012. They recommend that in symptomatic children with anti-tissue transglutaminase antibody (anti-tTG) titre of greater than 10-times upper limit of normal (>10xULN) and who have positive anti-endomysial antibody and HLA-DQ2/DQ8 haplotype, the diagnosis of CD can be based on serology. Aim of this study is to establish whether serology-based pathway of the ESPGHAN guidelines could also be reliably applied to asymptomatic children from high-risk groups...
September 27, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28944073/clinical-and-genetic-profile-of-patients-with-seronegative-coeliac-disease-the-natural-history-and-response-to-gluten-free-diet
#15
Maria Pina Dore, Giovanni Mario Pes, Ivana Dettori, Vincenzo Villanacci, Alessandra Manca, Giuseppe Realdi
OBJECTIVES: Patients with clinical, genetic and histological features of coeliac disease (CD), but negative for serological markers, pose a significant clinical problem. The aim of this study was to outline a specific profile, and to evaluate the natural history and response to gluten-free diet (GFD) of patients with seronegative CD. METHODS: patients with duodenal mucosa damage Marsh I, II and III stages, HLA DQ2/DQ8 haplotype and clinical features suggestive of CD, but negative for CD serology, were defined as seronegative CD patients...
2017: BMJ Open Gastroenterology
https://www.readbyqxmd.com/read/28934241/hla-dr7-and-hla-dq2-transgenic-mouse-strains-tested-as-a-model-system-for-ximelagatran-hepatotoxicity
#16
Hanna Lundgren, Klara Martinsson, Karin Cederbrant, Johan Jirholt, Daniel Mucs, Katja Madeyski-Bengtson, Said Havarinasab, Per Hultman
The oral thrombin inhibitor ximelagatran was withdrawn in the late clinical trial phase because it adversely affected the liver. In approximately 8% of treated patients, drug-induced liver injury (DILI) was expressed as transient alanine transaminase (ALT) elevations. No evidence of DILI had been revealed in the pre-clinical in vivo studies. A whole genome scan study performed on the clinical study material identified a strong genetic association between the major histocompatibility complex alleles for human leucocyte antigens (HLA) (HLA-DR7 and HLA-DQ2) and elevated ALT levels in treated patients...
2017: PloS One
https://www.readbyqxmd.com/read/28878121/a-tcr%C3%AE-framework-centered-codon-shapes-a-biased-t-cell-repertoire-through-direct-mhc-and-cdr3%C3%AE-interactions
#17
Kristin Støen Gunnarsen, Lene Støkken Høydahl, Louise Fremgaard Risnes, Shiva Dahal-Koirala, Ralf Stefan Neumann, Elin Bergseng, Terje Frigstad, Rahel Frick, M Fleur du Pré, Bjørn Dalhus, Knut Ea Lundin, Shuo-Wang Qiao, Ludvig M Sollid, Inger Sandlie, Geir Åge Løset
Selection of biased T cell receptor (TCR) repertoires across individuals is seen in both infectious diseases and autoimmunity, but the underlying molecular basis leading to these shared repertoires remains unclear. Celiac disease (CD) occurs primarily in HLA-DQ2.5+ individuals and is characterized by a CD4+ T cell response against gluten epitopes dominated by DQ2.5-glia-α1a and DQ2.5-glia-α2. The DQ2.5-glia-α2 response recruits a highly biased TCR repertoire composed of TRAV26-1 paired with TRBV7-2 harboring a semipublic CDR3β loop...
September 7, 2017: JCI Insight
https://www.readbyqxmd.com/read/28828296/cardiometabolic-risk-factors-in-children-with-celiac-disease-on-a-gluten-free-diet
#18
REVIEW
Caterina Anania, Lucia Pacifico, Francesca Olivero, Francesco Massimo Perla, Claudio Chiesa
Celiac disease (CD) is an immune-mediated systemic condition evoked by gluten and related prolamines in genetically predisposed subjects. It is characterised by a variable combination of gluten-dependent clinical symptoms, CD-specific antibodies, HLA-DQ2 and HLA-DQ8 haplotypes, and enteropathy. The only therapy of CD consists of a life-long gluten free diet (GFD). Strict GFD adherence results in full clinical, serological and histological remission, avoiding long-term complications in CD patients. However, this diet is not without problems...
August 8, 2017: World Journal of Clinical Pediatrics
https://www.readbyqxmd.com/read/28819290/progress-towards-non-invasive-diagnosis-and-follow-up-of-celiac-disease-in-children-a-prospective-multicentre-study-to-the-usefulness-of-plasma-i-fabp
#19
M P M Adriaanse, A Mubarak, R G Riedl, F J W Ten Kate, J G M C Damoiseaux, W A Buurman, R H J Houwen, A C E Vreugdenhil
This prospective study investigates whether measurement of plasma intestinal-fatty acid binding protein (I-FABP), a sensitive marker for small intestinal epithelial damage, improves non-invasive diagnosing of celiac disease (CD), and whether I-FABP levels are useful to evaluate mucosal healing in patients on a gluten-free diet (GFD). Ninety children with elevated tTG-IgA titres and HLA-DQ2/DQ8 positivity were included (study group). Duodenal biopsies were taken, except in those fulfilling the ESPGHAN criteria...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28810029/celiac-disease-and-nonceliac-gluten-sensitivity-a-review
#20
REVIEW
Maureen M Leonard, Anna Sapone, Carlo Catassi, Alessio Fasano
Importance: The prevalence of gluten-related disorders is rising, and increasing numbers of individuals are empirically trying a gluten-free diet for a variety of signs and symptoms. This review aims to present current evidence regarding screening, diagnosis, and treatment for celiac disease and nonceliac gluten sensitivity. Observations: Celiac disease is a gluten-induced immune-mediated enteropathy characterized by a specific genetic genotype (HLA-DQ2 and HLA-DQ8 genes) and autoantibodies (antitissue transglutaminase and antiendomysial)...
August 15, 2017: JAMA: the Journal of the American Medical Association
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