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Lymphocytic gastritis

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https://www.readbyqxmd.com/read/27772850/helicobacter-pylori-associated-lymphocytic-gastritis-unravelled
#1
C Green, Marian Priyanthi Kumarasinghe, Alma Fulurija, Ee Hooi, Jim Blanchard, Hans-Olof Nilsson, Mohammed Benghezal, Barry Marshall
No abstract text is available yet for this article.
February 2016: Pathology
https://www.readbyqxmd.com/read/27588307/redefined-clinical-features-and-diagnostic-criteria-in-autoimmune-polyendocrinopathy-candidiasis-ectodermal-dystrophy
#2
Elise M N Ferre, Stacey R Rose, Sergio D Rosenzweig, Peter D Burbelo, Kimberly R Romito, Julie E Niemela, Lindsey B Rosen, Timothy J Break, Wenjuan Gu, Sally Hunsberger, Sarah K Browne, Amy P Hsu, Shakuntala Rampertaap, Muthulekha Swamydas, Amanda L Collar, Heidi H Kong, Chyi-Chia Richard Lee, David Chascsa, Thomas Simcox, Angela Pham, Anamaria Bondici, Mukil Natarajan, Joseph Monsale, David E Kleiner, Martha Quezado, Ilias Alevizos, Niki M Moutsopoulos, Lynne Yockey, Cathleen Frein, Ariane Soldatos, Katherine R Calvo, Jennifer Adjemian, Morgan N Similuk, David M Lang, Kelly D Stone, Gulbu Uzel, Jeffrey B Kopp, Rachel J Bishop, Steven M Holland, Kenneth N Olivier, Thomas A Fleisher, Theo Heller, Karen K Winer, Michail S Lionakis
Autoimmune polyendocrinopathy-candidiasis-ectodermal dystrophy (APECED) is a rare primary immunodeficiency disorder typically caused by homozygous AIRE mutations. It classically presents with chronic mucocutaneous candidiasis and autoimmunity that primarily targets endocrine tissues; hypoparathyroidism and adrenal insufficiency are most common. Developing any two of these classic triad manifestations establishes the diagnosis. Although widely recognized in Europe, where nonendocrine autoimmune manifestations are uncommon, APECED is less defined in patients from the Western Hemisphere...
August 18, 2016: JCI Insight
https://www.readbyqxmd.com/read/27538697/propionibacterium-acnes-overabundance-and-natural-killer-group-2-member-d-system-activation-in-corpus-dominant-lymphocytic-gastritis
#3
Ana Montalban-Arques, Philipp Wurm, Slave Trajanoski, Silvia Schauer, Sabine Kienesberger, Bettina Halwachs, Christoph Högenauer, Cord Langner, Gregor Gorkiewicz
Corpus-dominant lymphocytic gastritis (LyG) is characterized by CD8(+) T-cell infiltration of the stomach epithelium by a so far uncharacterized mechanism. Although Helicobacter pylori is typically undetectable in LyG, patients respond to H. pylori antibiotic eradication therapy, suggesting a non-H. pylori microbial trigger for the disease. Comparative microbiota analysis of specimens from LyG, H. pylori gastritis and healthy controls precluded involvement of H. pylori in LyG but identified Propionibacterium acnes as a possible disease trigger...
December 2016: Journal of Pathology
https://www.readbyqxmd.com/read/27532536/lymphocytic-gastritis-clinical-endoscopic-and-histopathologic-features
#4
Sarra Ben Rejeb, Dorra Ben Ghachem, Taieb Jomni, Amen Ghozzi, Mohamed Hedi Dougui, Khadija Bellil
No abstract text is available yet for this article.
February 2016: La Tunisie Médicale
https://www.readbyqxmd.com/read/27478819/the-utility-of-endoscopic-biopsies-in-patients-with-normal-upper-endoscopy
#5
Anouar Teriaky, Abdullah AlNasser, Carolyn McLean, James Gregor, Brian Yan
Background and Aims. Upper endoscopy is a valuable tool in the workup of gastrointestinal (GI) complaints. The purpose of this study is to determine cost and yield of taking biopsies in a normal upper GI tract. Methods. This is a retrospective study where all upper GI biopsies were identified between May 2012 and April 2013, at a tertiary care center. Clinical, procedural, and pathology reports were reviewed to identify patient demographics, procedure information, and pathology diagnosis. Results. Biopsies of the upper GI tract were taken in 1297 patients with normal upper endoscopies...
2016: Canadian Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/27437185/updates-on-the-diagnosis-of-helicobacter-pylori-infection-in-children-what-are-the-differences-between-adults-and-children
#6
REVIEW
Hye Ran Yang
Helicobacter pylori infection is acquired mainly during childhood and causes various diseases such as gastritis, peptic ulcer disease, mucosa-associated lymphoid tissue (MALT) lymphoma, and iron deficiency anemia. Although H. pylori infection in children differs from adults in many ways, this is often overlooked in clinical practice. Unlike adults, nodular gastritis may be a pathognomonic endoscopic finding of childhood H. pylori infection. Histopathological findings of gastric tissues are also different in children due to predominance of lymphocytes and plasma cells and the formation of gastric MALT...
June 2016: Pediatric Gastroenterology, Hepatology & Nutrition
https://www.readbyqxmd.com/read/27252814/pathological-and-clinical-correlation-between-celiac-disease-and-helicobacter-pylori-infection-a-review-of-controversial-reports
#7
REVIEW
Mohammad Rostami-Nejad, Mohammad Javad Ehsani-Ardakani, Hamid Assadzadeh, Bijan Shahbazkhani, Enzo Ierardi, Giuseppe Losurdo, Homayon Zojaji, Amirhoshang Mohammad Alizadeh, Nosratollah Naderi, Amir Sadeghi, Mohammad Reza Zali
There are overwhelming reports and descriptions about celiac associated disorders. Although there is a clear genetic association between celiac disease (CD) and some gastrointestinal disorders, there are controversial reports claiming an association between CD and Helicobacter pylori (H. pylori) infection. Different studies indicated the possible association between lymphocytic gastritis and both CD and H. pylori infection, although this evidence is not consistently accepted. Also it was shown that an increase in intraepithelial lymphocytes count is associated with both H...
April 2016: Middle East Journal of Digestive Diseases
https://www.readbyqxmd.com/read/27226792/a-player-and-coordinator-the-versatile-roles-of-eosinophils-in-the-immune-system
#8
REVIEW
Hai Long, Wei Liao, Ling Wang, Qianjin Lu
Eosinophils have traditionally been associated with allergic diseases and parasite infection. Research advances in the recent decades have brought evolutionary changes in our understanding of eosinophil biology and its roles in immunity. It is currently recognized that eosinophils play multiple roles in both innate and adaptive immunity. As effector cells in innate immunity, eosinophils exert a pro-inflammatory and destructive role in the Th2 immune response associated with allergic inflammation or parasite infection...
March 2016: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/27071130/induction-of-autoimmune-disease-by-deletion-of-ctla-4-in-mice-in-adulthood
#9
Katrin Klocke, Shimon Sakaguchi, Rikard Holmdahl, Kajsa Wing
Cytotoxic T lymphocyte antigen-4 (CTLA-4) is essential for immunological (self-) tolerance, but due to the early fatality of CTLA-4 KO mice, its specific function in central and peripheral tolerance and in different systemic diseases remains to be determined. Here, we further examined the role of CTLA-4 by abrogating CTLA-4 expression in adult mice and compared the resulting autoimmunity that follows with that produced by congenital CTLA-4 deficiency. We found that conditional deletion of CTLA-4 in adult mice resulted in spontaneous lymphoproliferation, hypergammaglobulinemia, and histologically evident pneumonitis, gastritis, insulitis, and sialadenitis, accompanied by organ-specific autoantibodies...
April 26, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27032393/schlafen-5-expression-correlates-with-intestinal-metaplasia-that-progresses-to-gastric-cancer
#10
Osmel Companioni Nápoles, Amy C Tsao, José Miguel Sanz-Anquela, Núria Sala, Catalina Bonet, María Luisa Pardo, Lin Ding, Ornella Simo, Milena Saqui-Salces, Verónica Parra Blanco, Carlos A Gonzalez, Juanita L Merchant
BACKGROUND: Intestinal metaplasia (IM) is a gastric cancer precursor lesion (GCPL) and an extremely high risk factor for progression to gastric cancer (GC). Clinical guidelines recommend that patients with extensive IM undergo a gastroscopy every 3 years. However, protein biomarkers that indicate a transition from IM to GC are lacking. Our group recently identified an interferon-alpha (IFNα)-responsive gene, Schlafen 4 (Slfn4), in immune cells that correlates with metaplastic changes in Helicobacter-infected mice...
March 31, 2016: Journal of Gastroenterology
https://www.readbyqxmd.com/read/27020497/the-pathological-findings-seen-in-laparoscopic-sleeve-gastrectomies-for-weight-loss
#11
Gregory C Miller, Andrew S Reid, Ian S Brown
Sleeve gastrectomy specimens are increasingly common surgical specimens received for examination following bariatric surgery for weight loss. The spectrum of pathological changes seen in these cases is not well documented. Retrospective examination was undertaken of 1463 consecutive sleeve gastrectomy specimens received at Envoi Specialist Pathologists. Most cases showed no pathological changes (80.2%). The most common changes seen were non-specific, non-Helicobacter associated chronic gastritis (7.2%), Helicobacter associated gastritis (6...
April 2016: Pathology
https://www.readbyqxmd.com/read/26947589/modulation-of-tumor-necrosis-factor-related-apoptosis-inducing-ligand-trail-mediated-apoptosis-by-helicobacter-pylori-in-immune-pathogenesis-of-gastric-mucosal-damage
#12
Hwei-Fang Tsai, Ping-Ning Hsu
Helicobacter pylori infection is associated with chronic gastritis, peptic ulcer, gastric carcinoma, and gastric mucosa-associated lymphoid tissue lymphomas. Apoptosis induced by microbial infections is implicated in the pathogenesis of H. pylori infection. Enhanced gastric epithelial cell apoptosis during H. pylori infection was suggested to play an important role in the pathogenesis of chronic gastritis and gastric pathology. In addition to directly triggering apoptosis, H. pylori induces sensitivity to tumor necrosis factor-related apoptosis-inducing ligand (TRAIL)-mediated apoptosis in gastric epithelial cells...
January 29, 2016: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/26946668/-morphological-changes-of-gastric-mucosa-after-insertion-of-intragastric-balloon
#13
O Yu Joffe, I M Molnar, T V Tarasyuk, Yu P Tsyura, O P Stetsenko, M S Kryvopustov
Morphological changes in gastric mucosa were studied, optimal terms of bariatric operations performance after intragastric balloon (IGB) insertion were determined. Before the IGB insertion in 10 (35.7%) patients, in accordance to histological investigations, the changes in gastric mucosa were not revealed, and in 18 (64.3%) - chronic gastritis was established. In accordance to endoscopic investigation results, immediately after the IGB removal in 23 (82.1%) patients a pronounced erythematous gastropathy was noted, and in 5 (17...
October 2015: Klinichna Khirurhiia
https://www.readbyqxmd.com/read/26889090/wheat-allergy-diagnosis-and-management
#14
REVIEW
Antonella Cianferoni
Triticum aestivum (bread wheat) is the most widely grown crop worldwide. In genetically predisposed individuals, wheat can cause specific immune responses. A food allergy to wheat is characterized by T helper type 2 activation which can result in immunoglobulin E (IgE) and non-IgE mediated reactions. IgE mediated reactions are immediate, are characterized by the presence of wheat-specific IgE antibodies, and can be life-threatening. Non-IgE mediated reactions are characterized by chronic eosinophilic and lymphocytic infiltration of the gastrointestinal tract...
2016: Journal of Asthma and Allergy
https://www.readbyqxmd.com/read/26673617/nova1-inhibition-by-mir-146b-5p-in-the-remnant-tissue-microenvironment-defines-occult-residual-disease-after-gastric-cancer-removal
#15
Sun Och Yoon, Eun Kyung Kim, Mira Lee, Woon Yong Jung, Hyunjoo Lee, Youngran Kang, You-Jin Jang, Soon Won Hong, Seung Ho Choi, Woo Ick Yang
Occult residual disease in remnant tissues could be the cause of tumor relapse. To identify signal molecules and target cells that may be indicative of occult residual disease within a remnant microenvironment, proximal resection margin tissues of gastric cancers were used, as these correspond to the nearest remnant tissues after gastrectomy. Increased miR-146b-5p in the remnant microenvironment was determined to be a strong risk factor for tumor relapse and poor survival rate. NOVA1, a target gene of miR-146b-5p, was decreased in remnant tissues of patients with a poor prognosis...
January 19, 2016: Oncotarget
https://www.readbyqxmd.com/read/26644313/a-patient-with-ctla-4-haploinsufficiency-presenting-gastric-cancer
#16
Seiichi Hayakawa, Satoshi Okada, Miyuki Tsumura, Sonoko Sakata, Yoshitaka Ueno, Kohsuke Imai, Tomohiro Morio, Osamu Ohara, Kazuaki Chayama, Masao Kobayashi
Cytotoxic T-lymphocyte-antigen 4 (CTLA-4) is an essential negative regulator expressed on regulatory T cells (Tregs) and activated T cells. Germline heterozygous mutations in CTLA4 lead to haploinsufficiency of CTLA-4, resulting in the development of an autosomal dominant immune dysregulation syndrome with incomplete penetrance. We report here a Japanese patient with this disorder who has a novel heterozygous single nucleotide insertion, 76_77insT (p. L28SfsX40), in the CTLA4 gene. Peripheral blood mononuclear cells from the patient showed decreased frequency of CTLA-4(high) cells in CD4(+)FOXP3(+) cells following CD3/CD28 stimulation...
January 2016: Journal of Clinical Immunology
https://www.readbyqxmd.com/read/26637845/increased-production-of-lysozyme-associated-with-bacterial-proliferation-in-barrett-s-esophagitis-chronic-gastritis-gluten-induced-atrophic-duodenitis-celiac-disease-lymphocytic-colitis-collagenous-colitis-ulcerative-colitis-and-crohn-s-colitis
#17
REVIEW
Carlos A Rubio
The mucosa of the esophagus, the stomach, the small intestine, the large intestine and rectum are unremittingly challenged by adverse micro-environmental factors, such as ingested pathogenic and non-pathogenic bacteria, and harsh secretions with digestive properties with disparate pH, as well as bacteria and secretions from upstream GI organs. Despite the apparently inauspicious mixture of secretions and bacteria, the normal GI mucosa retains a healthy state of cell renewal. To by-pass the tough microenvironment, the epithelia of the GI react by speeding-up cell exfoliation, by increasing peristalsis, eliminating bacteria through secretion of plasma cell-immunoglobulins and by increasing production of natural antibacterial enzymes (lysozyme) and host defense peptides (defensin-5)...
December 2015: Anticancer Research
https://www.readbyqxmd.com/read/26525279/helicobacter-pylori-and-t-helper-cells-mechanisms-of-immune-escape-and-tolerance
#18
REVIEW
Tiziana Larussa, Isabella Leone, Evelina Suraci, Maria Imeneo, Francesco Luzza
Helicobacter pylori colonizes the gastric mucosa of at least half of the human population, causing a worldwide infection that appears in early childhood and if not treated, it can persist for life. The presence of symptoms and their severity depend on bacterial components, host susceptibility, and environmental factors, which allow H. pylori to switch between commensalism and pathogenicity. H. pylori-driven interactions with the host immune system underlie the persistence of the infection in humans, since the bacterium is able to interfere with the activity of innate and adaptive immune cells, reducing the inflammatory response in its favour...
2015: Journal of Immunology Research
https://www.readbyqxmd.com/read/26434384/immunodominant-epitope-specific-th1-but-not-th17-responses-mediate-protection-against-helicobacter-pylori-infection-following-ureb-vaccination-of-balb-c-mice
#19
Bin Li, Li Chen, Heqiang Sun, Wuchen Yang, Jian Hu, Yafei He, Shanshan Wei, Zhuo Zhao, Jinyong Zhang, Haibo Li, Quanming Zou, Chao Wu
Helicobacter pylori (H. pylori) infects more than half of the world's population, causing chronic gastritis, peptic ulcers and gastric cancer. Urease B subunit (UreB), a conserved protein of H. pylori, is capable of inducing specific CD4(+) T-cell responses and provides protection against this infection. Previous studies have confirmed the effectiveness of rUreB subunit vaccines in generating CD4(+) T-cell-mediated protection, but less is known regarding the roles of different subtypes of T-cell immunity, such as Th1, Th2 and Th17, particularly the immunodominant epitopes inducing specific CD4(+) T-cell responses, in vaccine-mediated protection...
2015: Scientific Reports
https://www.readbyqxmd.com/read/26433589/cerebral-vasculitis-in-x-linked-lymphoproliferative-disease-cured-by-matched-unrelated-cord-blood-transplant
#20
Paul E Gray, Tracey A O'Brien, Mayura Wagle, Stuart G Tangye, Umaimainthan Palendira, Tony Roscioli, Sharon Choo, Rosemary Sutton, John B Ziegler, Katie Frith
UNLABELLED: Vasculitis occurs rarely in association with X-linked lymphoproliferative disease (XLP). There are four published cases of non-EBV XLP-associated cerebral vasculitis reported, none of whom have survived without major cognitive impairment. CASE: A 9-year old boy initially presented aged 5 years with a restrictive joint disease. He subsequently developed dysgammaglobulinemia, episodic severe pneumonitis, aplastic anaemia, gastritis and cerebral vasculitis...
October 2015: Journal of Clinical Immunology
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