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Autoimmune pancreatitis

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https://www.readbyqxmd.com/read/29351121/serum-immunoglobulin-g4-in-discriminating-autoimmune-pancreatitis-from-pancreatic-cancer-a-diagnostic-meta-analysis
#1
Cong Dai, Qin Cao, Min Jiang, Ming-Jun Sun
OBJECTIVE: Differentiation between autoimmune pancreatitis (AIP) and pancreatic cancer (PC) is a clinical challenge. Emerging published data on the accuracy of serum immunoglobulin G4 (IgG4) for the differential diagnosis between AIP and PC are inconsistent. The objective of our study was to perform a meta-analysis evaluating the clinical utility of serum IgG4 in the differential diagnosis between AIP and PC. METHODS: We performed a systematic literature search of multiple electronic databases...
January 18, 2018: Pancreas
https://www.readbyqxmd.com/read/29344035/hypercalcaemic-pancreatitis-adrenal-insufficiency-autoimmune-thyroiditis-and-diabetes-mellitus-in-a-girl-with-probable-sarcoidosis
#2
Devi Dayal, Olivia Pepper, Renuka Ramakrishnan, Eileen Baildam, Poonam Dharmaraj, Gavin Cleary, Liza McCann, Clare Pain, Senthil Senniappan
Introduction: Sarcoidosis is a multisystemic granulomatous disease with diverse and often non-specific symptoms during childhood. The clinical manifestations sometimes include endocrinopathies related to sarcoid infiltration of various endocrine organs, but more commonly due to the associated autoimmune endocrine disorders. There are only a few reports of multiple autoimmune and non-autoimmune endocrine problems occurring simultaneously in patients with sarcoidosis. We report a girl with probable sarcoidosis who also had Hashimoto's thyroiditis, Type 1 diabetes (T1D) and secondary adrenal insufficiency...
October 2017: International Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29332510/localized-autoimmune-pancreatitis-mimicking-pancreatic-cancer-case-report-and-literature-review
#3
Wen-Ling Hsu, Shu-Min Chang, Pei-Yin Wu, Chin-Chuan Chang
Autoimmune pancreatitis (AP) is a rare autoimmune pancreatic manifestation of systemic immunoglobulin G4 (IgG4)-related sclerosing disease. Distinguishing between AP and pancreatic cancer is crucial because the clinical courses, treatments, and prognoses of these two disease entities are quite different. We herein report a case involving a 52-year-old man with subacute epigastralgia who visited our hospital for evaluation of a suspicious pancreatic mass found during esophagogastroduodenoscopy. Enhanced computed tomography (CT) revealed an enlarged lesion in the pancreatic head with encasement of hepatic vessels...
January 1, 2018: Journal of International Medical Research
https://www.readbyqxmd.com/read/29327413/itpa-activity-in-children-treated-by-azathioprine-relationship-to-the-occurrence-of-adverse-drug-reactions-and-inflammatory-response
#4
Antony Citterio-Quentin, Mustapha Moulsma, Marie-Paule Gustin, Alain Lachaux, Roselyne Boulieu
Azathioprine (AZA), a thiopurine drug, is widely used in the treatment of children with immunological disease such as inflammatory bowel disease (IBD) and autoimmune hepatitis (AIH); however, interindividual variability in the occurrence of adverse drug reaction (ADRs) and drug response is observed. This study investigated 1) the relationships between inosine triphosphate pyrophosphatase (ITPA) activity, an enzyme involved in thiopurine metabolism, and the occurrence of ADRs in children with immunological disease on AZA therapy, 2) the relationship between ITPA activity and the inflammatory activity observed in children with IBD...
January 11, 2018: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29311365/simultaneous-recognition-of-allogeneic-mhc-and-cognate-autoantigen-by-autoreactive-t-cells-in-transplant-rejection
#5
Adam L Burrack, Laurie G Landry, Janet Siebert, Marilyne Coulombe, Ronald G Gill, Maki Nakayama
The autoimmune condition is a primary obstacle to inducing tolerance in type 1 diabetes patients receiving allogeneic pancreas transplants. It is unknown how autoreactive T cells that recognize self-MHC molecules contribute to MHC-disparate allograft rejection. In this report, we show the presence and accumulation of dual-reactive, that is autoreactive and alloreactive, T cells in C3H islet allografts that were transplanted into autoimmune diabetic NOD mice. Using high-throughput sequencing, we discovered that T cells prevalent in allografts share identical TCRs with autoreactive T cells present in pancreatic islets...
January 8, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29304344/endogenous-reprogramming-of-alpha-cells-into-beta-cells-induced-by-viral-gene-therapy-reverses-autoimmune-diabetes
#6
Xiangwei Xiao, Ping Guo, Chiyo Shiota, Ting Zhang, Gina M Coudriet, Shane Fischbach, Krishna Prasadan, Joseph Fusco, Sabarinathan Ramachandran, Piotr Witkowski, Jon D Piganelli, George K Gittes
Successful strategies for treating type 1 diabetes need to restore the function of pancreatic beta cells that are destroyed by the immune system and overcome further destruction of insulin-producing cells. Here, we infused adeno-associated virus carrying Pdx1 and MafA expression cassettes through the pancreatic duct to reprogram alpha cells into functional beta cells and normalized blood glucose in both beta cell-toxin-induced diabetic mice and in autoimmune non-obese diabetic (NOD) mice. The euglycemia in toxin-induced diabetic mice and new insulin+ cells persisted in the autoimmune NOD mice for 4 months prior to reestablishment of autoimmune diabetes...
January 4, 2018: Cell Stem Cell
https://www.readbyqxmd.com/read/29282391/multifocal-mass-lesions-in-autoimmune-pancreatitis
#7
Kazuhiro Suzumura, Etsuro Hatano, Naoki Uyama, Toshihiro Okada, Yasukane Asano, Seikan Hai, Keiji Nakasho, Jiro Fujimoto
A 59-year-old male patient with jaundice was referred to our hospital because of mass lesions in the pancreatic head and tail. An immunological examination revealed an elevated serum IgG4 level. Computed tomography showed two clear boundary mass lesions in the pancreatic head and tail. Magnetic resonance imaging showed that the mass lesions exhibited low intensity on T1-weighted images and iso-intensity on T2-weighted images. Magnetic resonance cholangiopancreatography showed an obstruction of the main pancreatic duct in the pancreatic head and tail...
September 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/29279491/igg4-related-disease-a-systemic-disease-that-deserves-attention-regardless-of-one-s-subspecialty
#8
Hideaki Hamano, Eiji Tanaka, Nobukazu Ishizaka, Shigeyuki Kawa
IgG4-related disease (IgG4-RD) is an inflammatory condition characterized by a high serum IgG4 concentration and the abundant infiltration of lymphocytes and IgG4-positive plasma cells in the tissue, as well as spatial (diverse clinical manifestations) and temporal (the possibility of recurrence) multiplicities. Since the initial documentation of IgG4-related disease in patients with autoimmune pancreatitis in 2001, a growing body of evidence has been accumulating to suggest that various-virtually all-organs can be affected by IgG4-RD...
December 27, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29276781/recent-progress-in-the-use-and-tracking-of-transplanted-islets-as-a-personalized-treatment-for-type-1-diabetes
#9
Genaro A Paredes-Juarez, Paul de Vos, Jeff W M Bulte
Introduction: Type 1 diabetes mellitus (T1DM) is an autoimmune disease in which the pancreas produces insufficient amounts of insulin. T1DM patients require exogenous sources of insulin to maintain euglycemia. Transplantation of naked or microencapsulated pancreatic islets represents an alternative paradigm to obtain an autonomous regulation of blood glucose levels in a controlled and personalized fashion. However, once transplanted, the fate of these personalized cellular therapeutics is largely unknown, justifying the development of non-invasive tracking techniques...
2017: Expert Review of Precision Medicine and Drug Development
https://www.readbyqxmd.com/read/29259578/t-cell-mediated-beta-cell-destruction-autoimmunity-and-alloimmunity-in-the-context-of-type-1-diabetes
#10
REVIEW
Adam L Burrack, Tijana Martinov, Brian T Fife
Type 1 diabetes (T1D) results from destruction of pancreatic beta cells by T cells of the immune system. Despite improvements in insulin analogs and continuous blood glucose level monitoring, there is no cure for T1D, and some individuals develop life-threatening complications. Pancreas and islet transplantation have been attractive therapeutic approaches; however, transplants containing insulin-producing cells are vulnerable to both recurrent autoimmunity and conventional allograft rejection. Current immune suppression treatments subdue the immune system, but not without complications...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29259102/altered-homeostasis-and-development-of-regulatory-t-cell-subsets-represent-an-il-2r-dependent-risk-for-diabetes-in-nod-mice
#11
Connor J Dwyer, Allison L Bayer, Carmen Fotino, Liping Yu, Cecilia Cabello-Kindelan, Natasha C Ward, Kevin H Toomer, Zhibin Chen, Thomas R Malek
The cytokine interleukin-2 (IL-2) is critical for the functions of regulatory T cells (Tregs). The contribution of polymorphisms in the gene encoding the IL-2 receptor α subunit (IL2RA), which are associated with type 1 diabetes, is difficult to determine because autoimmunity depends on variations in multiple genes, where the contribution of any one gene product is small. We investigated the mechanisms whereby a modest reduction in IL-2R signaling selectively in T lymphocytes influenced the development of diabetes in the NOD mouse model...
December 19, 2017: Science Signaling
https://www.readbyqxmd.com/read/29258957/decreased-macrophage-phagocytic-function-due-to-xenobiotic-exposures-in-vitro-difference-in-sensitivity-between-various-macrophage-models
#12
Hanne Friis Berntsen, Anette Kocbach Bølling, Cesilie Granum Bjørklund, Karin Zimmer, Erik Ropstad, Shanbeh Zienolddiny, Rune Becher, Jørn A Holme, Hubert Dirven, Unni Cecilie Nygaard, Johanna Bodin
Both autoimmune disease prevalence and exposure to immunotoxic chemicals have increased the last decades. As a first screening of immunotoxic chemicals possibly affecting development of autoimmunity through attenuated macrophage function, we demonstrate a promising model measuring macrophage function in isolated peritoneal macrophages (PCM) from Wistar rats and C57Bl/6 mice. Immunotoxic effects of bisphenol A (BPA) and a selection of perfluoroalkyl acids (PFAAs) were analysed in vitro assessing phagocytic function of macrophages from different sources...
December 16, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29249872/taenia-crassiceps-antigens-control-experimental-type-1-diabetes-by-inducing-alternatively-activated-macrophages
#13
Arlett Espinoza-Jiménez, Roberto De Haro, Luis I Terrazas
Type 1 diabetes (T1D) is an autoimmune disease caused by the selective destruction of the pancreatic β-cells, causing inability to produce insulin. Proinflammatory cytokines such as IL-1β, IL-6, TNF-α, IFN-γ, IL-12, IL-17, and NO can be released by CD4 and CD8+ lymphocytes as well as by classically activated macrophages (CAMϕs), which are important in the development of T1D. Helminth infections have been shown to prevent T1D, mainly through Th2-biased responses and increased recruitment of regulatory cell populations...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29247329/understanding-childhood-diabetes-mellitus-new-pathophysiological-aspects
#14
REVIEW
Juergen Grulich-Henn, Daniela Klose
Diabetes mellitus (DM) is not a single disease, but several pathophysiological conditions where synthesis, release, and/or action of insulin are disturbed. A progressive autoimmune/autoinflammatory destruction of islet cells is still considered the main pathophysiological event in the development of T1DM, but there is evidence that T1DM itself is a heterogeneous disease. More than 50 gene regions are closely associated with T1DM and a variety of epigenetic factors and metabolic patterns have been characterized, which may play a role in the development of T1DM...
December 15, 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/29236750/identification-of-gad65-aa-114-122-reactive-memory-like-nk-cells-in-newly-diagnosed-type-1-diabetic-patients-by-hla-class-i-pentamers
#15
Valentina Perri, Elena Gianchecchi, Loredana Cifaldi, Marsha Pellegrino, Ezio Giorda, Marco Andreani, Marco Cappa, Alessandra Fierabracci
Type 1 diabetes is an autoimmune disease, in which pancreatic β cells are destroyed by autoreactive T cells in genetically predisposed individuals. Serum beta cell autoantibody specificities have represented the mainstay for classifying diabetes as autoimmune-mediated and for stratifying risk in first-degree relatives. In recent years, approaches were attempted to solve the difficult issue of detecting rare antigen-specific autoreactive T cells and their significance to etiopathogenesis such as the use of the MHC multimer technology...
2017: PloS One
https://www.readbyqxmd.com/read/29215791/protective-effects-of-carbonyl-iron-against-multiple-low-dose-streptozotocin-induced-diabetes-in-rodents
#16
Milica Vujicic, Tamara Saksida, Marija Mostarica Stojkovic, Neda Djedovic, Ivana Stojanovic, Stanislava Stosic-Grujicic
Particulate adjuvants have shown increasing promise as effective, safe, and durable agents for the stimulation of immunity, or alternatively, the suppression of autoimmunity. Here we examined the potential of the adjuvant carbonyl iron (CI) for the modulation of organ-specific autoimmune disease-type 1 diabetes (T1D). T1D was induced by multiple low doses of streptozotocin (MLDS) that initiates beta cell death and triggers immune cell infiltration into the pancreatic islets. The results of this study indicate that the single in vivo application of CI to MLDS-treated DA rats, CBA/H mice, or C57BL/6 mice successfully counteracted the development of insulitis and hyperglycemia...
December 7, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29213027/-autoimmune-pancreatitis-and-igg4-related-hepatic-inflammatory-pseudotumor-complicated-by-an-impacted-pancreatic-stone-at-the-major-papilla-during-steroid-treatment
#17
Kunio Kataoka, Koichi Achiwa
A 79-year-old male presented to our hospital with abdominal discomfort and was diagnosed with mass-forming pancreatitis. During follow-up, pancreatic stones and a hepatic mass with peripheral bile duct dilation were discovered. Serum IgG4 level was elevated, and a liver tumor biopsy revealed numerous IgG4-positive plasma cells and fibrosis. Chronic pancreatitis with the suspected involvement of autoimmune pancreatitis (AIP) and IgG4-related hepatic inflammatory pseudotumor (IgG4-HIP) was diagnosed. Therefore, a steroid treatment was initiated...
2017: Nihon Shokakibyo Gakkai Zasshi, the Japanese Journal of Gastro-enterology
https://www.readbyqxmd.com/read/29207798/does-vitamin-d-supplementation-improve-glycaemic-control-in-children-with-type-1-diabetes-mellitus-a-randomized-controlled-trial
#18
Shreya Sharma, Niranjan Biswal, Adhisivam Bethou, Medha Rajappa, Sadish Kumar, Vickneshwaran Vinayagam
Introduction: Vitamin D endocrine system is a potential immune system modulator and has been implicated in the pathogenesis of several autoimmune diseases including Type 1 Diabetes Mellitus (T1DM). Studies have demonstrated an inverse risk relationship between T1DM and Vitamin D levels and also, shown a reduced risk of the disease with its supplementation. Aim: To evaluate the role of Vitamin D as an adjuvant in improving glycaemic control and residual pancreatic beta-cell function...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29207780/autoimmune-pancreatitis-type-ii-first-report-from-india
#19
Gunjan Desai, Prasad Pande, Chandralekha Tampi, Prasad Wagle
Autoimmune Pancreatitis (AIP) presents in two forms - Type I or lymphoplasmacytic sclerosing pancreatitis and Type II or idiopathic ducto-centric pancreatitis (IDCP). AIP II is rare in south Asia and, especially so, in India. Most patients have either Idiopathic Chronic Pancreatitis (ICP) or alcohol related chronic pancreatitis. AIP Type I has been described in India. We herein report a patient who had features of ICP on imaging, for whom surgery was performed to relieve chronic pancreatic pain. However, the pathologic features revealed AIP Type II or IDCP...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29201784/simultaneous-immunoglobulin-g4-associated-autoimmune-hepatitis-and-autoimmune-pancreatitis
#20
Birnur Yilmaz, Safak Kiziltas, Semsi Yildiz, Burçak Gümüs, Halime Çevik
How to cite this article: Yilmaz B, Kiziltas S, Yildiz S, Gümüs B, Çevik H. Simultaneous Immunoglobulin G4-associated Autoimmune Hepatitis and Autoimmune Pancreatitis. Euroasian J Hepato-Gastroenterol 2017;7(1):95-96.
January 2017: Euroasian Journal of Hepato-Gastroenterology
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