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Autoimmune pancreatitis

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https://www.readbyqxmd.com/read/28634132/diagnosis-of-autoimmune-pancreatitis-the-evolution-of-diagnostic-criteria-for-a-rare-disease
#1
Suresh T Chari
No abstract text is available yet for this article.
June 17, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28634110/pharmacological-rescue-of-ductal-cftr-rescue-pancreatic-and-salivary-glands-acinar-cells-and-tissue-function-in-mouse-models-of-autoimmune-diseases
#2
Mei Zeng, Mitchell Szymczak, Malini Ahuja, Changyu Zheng, Hongen Yin, William Swaim, John A Chiorini, Robert J Bridges, Shmuel Muallem
BACKGROUND & AIMS: Sjögren's syndrome and autoimmune pancreatitis (AIP) are disorders with decreased function of salivary, lacrimal glands, and the exocrine pancreas. NOD/ShiLTJ mice and mice transduced with the cytokine BMP6 develop Sjögren's syndrome and chronic pancreatitis and MRL/Mp mice are models of AIP. CFTR is a ductal Cl(-) channel essential for ductal fluid and HCO3(-) secretion. We used these models to ask: is CFTR expression altered in these diseases, does correction of CFTR correct gland function, and most notably, does correcting ductal function correct acinar function...
June 17, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28626379/fifteen-year-old-male-with-type-2-autoimmune-pancreatitis-an-argument-for-endoscopy
#3
Nathan T Kolasinski, Marc T Johannsen, Justin R Hollon
Type 2 autoimmune pancreatitis, an increasingly recognized etiology of pancreatitis in patients less than 20 years old, has characteristically been diagnosed with the histological finding of duct-centric pancreatitis in a patient who lacks elevated serum immunoglobulin G4. We present the case of a nonobese 15-year-old male, without any chronic medical conditions, who presented with the chief complaint of abdominal pain. The laboratory study results were remarkable for a lipase level of 5,419 U/L and a γ-glutamyl transferase level of 373 U/L...
May 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/28625830/bioengineering-strategies-for-inducing-tolerance-in-autoimmune-diabetes
#4
Steinunn Baekkeskov, Jeffrey A Hubbell, Edward A Phelps
Type 1 diabetes is an autoimmune disease marked by the destruction of insulin-producing beta cells in the pancreatic islets. Strategies to delay onset or prevent the autoimmune recognition of beta cell antigens or T cell-mediated killing of beta cells have mainly focused on systemic immunomodulation and antigen-specific immunotherapy. To bridge the fields of type 1 diabetes immunology and biomaterials engineering, this article will review recent trends in the etiology of type 1 diabetes immunopathology and will focus on the contributions of emerging bioengineered strategies in the fight against beta cell autoimmunity in type 1 diabetes...
June 15, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28614208/il-8-expression-in-granulocytic-epithelial-lesions-of-idiopathic-duct-centric-pancreatitis-type-2-autoimmune-pancreatitis
#5
Yuna Ku, Seung-Mo Hong, Kohei Fujikura, Sung Joo Kim, Masayuki Akita, Shiho Abe-Suzuki, Hideyuki Shiomi, Atsuhiro Masuda, Tomoo Itoh, Takeshi Azuma, Myung-Hwan Kim, Yoh Zen
Type 2 autoimmune pancreatitis (type 2 AIP) develops in isolation or sometimes in association with ulcerative colitis. Its diagnosis requires the histologic confirmation of granulocytic epithelial lesions (GELs) with no diagnostic biomarker currently available. This study aimed to elucidate the tissue expression of cytokines and their diagnostic value in this condition. In quantitative polymerase chain reaction for multiple cytokines using tissue-derived mRNA, the expression level of interleukin (IL)-8 was markedly higher in type 2 AIP than in type 1 AIP (P<0...
June 13, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28611473/apc-targeted-proinsulin-expression-inactivates-insulin-specific-memory-cd8-t-cells-in-nod-mice
#6
Peta Ls Reeves, Rajeev Rudraraju, Xiao Liu, F Susan Wong, Emma E Hamilton-Williams, Raymond J Steptoe
Type 1 diabetes (T1D) results from T-cell mediated autoimmune destruction of pancreatic β cells. Effector T-cell responses emerge early in disease development and expand as disease progresses. Following β cell destruction, a long-lived T-cell memory is generated that represents a barrier to islet transplantation and other cellular insulin-replacement therapies. Development of effective immunotherapies that control or ablate β cell destructive effector and memory T cell responses has the potential to prevent disease progression and recurrence...
June 14, 2017: Immunology and Cell Biology
https://www.readbyqxmd.com/read/28605395/possible-type-1-diabetes-risk-prediction-using-ultrasound-imaging-to-assess-pancreas-inflammation-in-the-inducible-autoimmune-diabetes-bbdr-model
#7
Frederick R Roberts, Clinton Hupple, Elaine Norowski, Nicole C Walsh, Natalia Przewozniak, Ken-Edwin Aryee, Filia M Van Dessel, Agata Jurczyk, David M Harlan, Dale L Greiner, Rita Bortell, Chaoxing Yang
BACKGROUND/AIMS: Studies of human cadaveric pancreas specimens indicate that pancreas inflammation plays an important role in type 1 diabetes pathogenesis. Due to the inaccessibility of pancreas in living patients, imaging technology to visualize pancreas inflammation is much in need. In this study, we investigated the feasibility of utilizing ultrasound imaging to assess pancreas inflammation longitudinally in living rats during the progression leading to type 1 diabetes onset. METHODS: The virus-inducible BBDR type 1 diabetes rat model was used to systematically investigate pancreas changes that occur prior to and during development of autoimmunity...
2017: PloS One
https://www.readbyqxmd.com/read/28601984/persistent-coxsackievirus-b4-infection-induces-microrna-dysregulation-in-human-pancreatic-cells
#8
Ilka Engelmann, Enagnon K Alidjinou, Antoine Bertin, Johann Bossu, Céline Villenet, Martin Figeac, Famara Sane, Didier Hober
Enterovirus infections are implicated in the development of type 1 diabetes (T1D). MicroRNAs as regulators of gene expression are involved in many physiological and pathological processes. Given that viral infections dysregulate cellular microRNAs, we investigated the impact of persistent coxsackievirus B4 infection on microRNA expression of human pancreatic cells. Next-generation sequencing was used to determine microRNA expression in PANC-1 cells persistently infected (for several weeks) with coxsackievirus B4 and uninfected control cells...
June 10, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28600038/potential-differentiation-of-islet-like-cells-from-pregnant-cow-derived-placental-stem-cells
#9
Shao-Yu Peng, Chien-Wen Chou, Yu-Hsuan Kuo, Perng-Chih Shen, S W Steven Shaw
OBJECTIVE: Type 1 diabetes is an autoimmune disease that destroys islet cells and results in insufficient insulin secretion by pancreatic β-cells. Islet transplantation from donors is an approach used for treating patients with diabetes; however, this therapy is difficult to implement because of the lack of donors. Nevertheless, several stem cells have the potential to differentiate from islet-like cells and enable insulin secretion for treating diabetes in animal models. For example, placenta is considered a waste material and can be harvested noninvasively during delivery without ethical or moral concerns...
June 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28596686/clinical-course-of-ulcerative-colitis-patients-who-develop-acute-pancreatitis
#10
Jong Wook Kim, Sung Wook Hwang, Sang Hyoung Park, Tae Jun Song, Myung-Hwan Kim, Ho-Su Lee, Byong Duk Ye, Dong-Hoon Yang, Kyung-Jo Kim, Jeong-Sik Byeon, Seung-Jae Myung, Suk-Kyun Yang
AIM: To investigate the clinical course of ulcerative colitis (UC) patients who develop acute pancreatitis. METHODS: We analyzed 3307 UC patients from the inflammatory bowel disease registry at Asan Medical Center from June 1989 to May 2015. The clinical course of UC patients who developed acute pancreatitis was compared with that of non-pancreatitis UC patients. RESULTS: Among 51 patients who developed acute pancreatitis, 13 (0.40%) had autoimmune, 10 (0...
May 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28591651/transplantation-of-human-pancreatic-endoderm-cells-reverses-diabetes-post-transplantation-in-a-prevascularized-subcutaneous-site
#11
Andrew R Pepper, Rena Pawlick, Antonio Bruni, John Wink, Yasmin Rafiei, Doug O'Gorman, Richard Yan-Do, Boris Gala-Lopez, Tatsuya Kin, Patrick E MacDonald, A M James Shapiro
Beta-cell replacement therapy is an effective means to restore glucose homeostasis in select humans with autoimmune diabetes. The scarcity of "healthy" human donor pancreata restricts the broader application of this effective curative therapy. "β-Like" cells derived from human embryonic stem cells (hESC), with the capacity to secrete insulin in a glucose-regulated manner, have been developed in vitro, with limitless capacity for expansion. Here we report long-term diabetes correction in mice transplanted with hESC-derived pancreatic endoderm cells (PECs) in a prevascularized subcutaneous site...
June 6, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28583768/pancreatic-pseudocyst-localized-in-the-gastric-wall-after-eus-guided-fine-needle-aspiration-of-type-1-autoimmune-pancreatitis
#12
Hiroyuki Hatamori, Masaya Wada, Youhei Taniguchi, Tetsuro Inokuma
No abstract text is available yet for this article.
June 2, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28582497/protective-role-of-complement-c3-against-cytokine-mediated-%C3%AE-cell-apoptosis
#13
Reinaldo S Dos Santos, Laura Marroqui, Fabio A Grieco, Lorella Marselli, Mara Suleiman, Stefan R Henz, Piero Marchetti, Rasmus Wernersson, Decio L Eizirik
Type 1 diabetes is a chronic autoimmune disease characterized by pancreatic islet inflammation and â-cell destruction by proinflammatory cytokines and other mediators. Based on RNA sequencing and protein-protein interaction analyses of human islets exposed to proinflammatory cytokines, we identified complement C3 as a hub for some of the effects of cytokines. The proinflammatory cytokines interleukin-1â + interferon-γ increase C3 expression in rodent and human pancreatic â-cells and C3 is detected by histology in and around the islets of diabetic patients...
June 5, 2017: Endocrinology
https://www.readbyqxmd.com/read/28580341/targeting-innate-immunity-to-downmodulate-adaptive-immunity-and-reverse-type-1-diabetes
#14
REVIEW
Arata Itoh, William M Ridgway
Type 1 diabetes (T1D) is characterized by specific destruction of pancreatic insulin-producing beta cells accompanied by evidence of beta-cell-directed autoimmunity such as autoreactive T cells and islet autoantibodies (IAAs). Currently, T1D cannot be prevented or reversed in humans. T1D is easy to prevent in the nonobese diabetic (NOD) spontaneous mouse model but reversing new-onset T1D in mice is more difficult. Since the discovery of the T-cell receptor in the 1980s and the subsequent identification of autoreactive T cells directed toward beta-cell antigens (eg, insulin, glutamic acid decarboxylase), the dream of antigen-specific immunotherapy has dominated the field with its promise of specificity and limited side effects...
2017: ImmunoTargets and Therapy
https://www.readbyqxmd.com/read/28579586/a-case-of-pancreatic-intraepithelial-neoplasia-3-with-autoimmune-pancreatitis
#15
Yasuharu Kakizaki, Naohiko Makino, Yoshiaki Ando, Akiko Matsuda, Tetsuya Ishizawa, Yoshihiko Saito, Aya Suto, Mitsunori Yamakawa, Wataru Kimura, Yoshiyuki Ueno
We report a case of pancreatic intraepithelial neoplasia-3 (PanIN-3) with autoimmune pancreatitis (AIP). The patient, a 75-year-old man, had been diagnosed to have AIP with stenosis of the main pancreatic duct. After six years, computed tomography demonstrated dilatation of the main pancreatic duct in the mid-pancreas. Although we could not confirm the presence of any pancreatic tumor on the basis of imaging modalities alone, cytological examination of the pancreatic juice obtained by endoscopic retrograde pancreatography revealed atypical cells...
2017: Nihon Shokakibyo Gakkai Zasshi, the Japanese Journal of Gastro-enterology
https://www.readbyqxmd.com/read/28578701/distinct-pathophysiological-cytokine-profiles-for-discrimination-between-autoimmune-pancreatitis-chronic-pancreatitis-and-pancreatic-ductal-adenocarcinoma
#16
Sahar Ghassem-Zadeh, Matthias M Gaida, Szilard Szanyi, Hans Acha-Orbea, Jean-Louis Frossard, Ulf Hinz, Thilo Hackert, Oliver Strobel, Klaus Felix
BACKGROUND: Discriminating between autoimmune pancreatitis (AIP), chronic pancreatitis (CP), and pancreatic ductal adenocarcinoma (PDAC) can be challenging. In this retrospective study, levels of serum and tissue cytokines were analyzed as part of the clinical strategy for the preoperative differentiation between AIP and PDAC. The identification of differential cytokine profiles may help to prevent unnecessary surgical resection and allow optimal treatment of these pathologies. METHODS: To compare the cytokine profiles of AIP, CP, and PDAC patients, serum and pancreatic tissue homogenates were subjected to multiplex analysis of 17 inflammatory mediators...
June 2, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28578255/development-and-validation-of-an-ultra-performance-liquid-chromatography-tandem-mass-spectrometry-method-for-quantification-of-sr1001-an-inverse-agonist-of-retinoid-related-orphan-receptors-and-its-application-to-pharmacokinetic-studies-in-streptozotocin-induced
#17
Cuipei Lin, Hanqing Wang, Hua Sun, Chengju Xiao, Yunxia Xue, Jun Liu, Ting Fu, Yifei Wang, Dong Dong, Zhijie Li
Retinoic acid receptor-related orphan receptors (RORs) play critical roles in the onset and progression of type I diabetes, an autoimmune disease characterized by the destruction of pancreatic β-cells. SR1001, an ROR inverse agonist, has been proven to be an effective diabetes treatment in the non-obese diabetic (NOD) mouse model. However, optimization of this treatment is challenging because knowledge of SR1001 pharmacokinetic (PK) behaviors in type I diabetic animals is limited. The aim of our study was to develop and validate a specific and sensitive ultra-performance liquid chromatography-tandem mass spectrometric (UPLC-MS/MS) method to measure the concentrations of SR1001 in plasma and biological samples...
May 24, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28577136/genome-wide-gene-expression-profiling-reveals-that-cd274-is-up-regulated-new-onset-type-1-diabetes-mellitus
#18
Chen Fang, Yun Huang, Yufang Pei, Hong-Hong Zhang, Xiaohong Chen, Heming Guo, Sicheng Li, Xiaoyan Ji, Ji Hu
AIMS: Early studies have identified type 1 diabetes mellitus (T1DM) as a disease that is caused by the autoimmune destruction of the insulin-producing pancreatic β-cells. Genetics, environment and the immune pathogenesis of T1DM are three major pillars of T1DM research. We try to understand the changes in the gene expression profile during the pathogenesis of T1DM. METHODS: We performed a systematic search in the Gene Expression Omnibus (GEO) database for microarray studies of T1DM with samples taken at or before the T1DM onset...
June 2, 2017: Acta Diabetologica
https://www.readbyqxmd.com/read/28575786/clinical-features-of-igg4-related-rhinosinusitis
#19
Machiko Hanaoka, Terumi Kammisawa, Satomi Koizumi, Sawako Kuruma, Kazuro Chiba, Masataka Kikuyama, Satoshi Shirakura, Taro Sugimoto, Tsunekazu Hishima
PURPOSE: IgG4-related disease is a systemic disease that affects various organs of the body. Aim of this study is to elucidate the clinical characteristics of IgG4-related rhinosinusitis. MATERIAL AND METHODS: Clinical features, laboratory findings, radiological and endoscopic findings, associated disease, treatment and prognosis were retrospectively examined in 10 patients with IgG4-related rhinosinusitis. RESULTS: The age was 59.1±11.3 years old and male-to-female ratio was 1:1...
May 30, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28566889/clinical-significance-of-hypoechoic-submandibular-gland-lesions-in-type-1-autoimmune-pancreatitis
#20
Shinichi Takano, Mitsuharu Fukasawa, Makoto Kadokura, Hiroko Shindo, Ei Takahashi, Sumio Hirose, Yoshimitsu Fukasawa, Satoshi Kawakami, Tadashi Sato, Nobuyuki Enomoto
AIM: To assess the role of ultrasonography of submandibular glands (SGs) in the diagnosis of type 1 autoimmune pancreatitis (AIP). METHODS: Thirty-seven patients who were definitively diagnosed with type 1 AIP according to the international consensus diagnostic criteria (ICDC) for AIP at our institution between December 1990 and April 2016 were retrospectively reviewed. Findings by physical examination, ultrasonography, and scintigraphy of SGs were analyzed to reach a diagnosis based on the ICDC for AIP...
May 14, 2017: World Journal of Gastroenterology: WJG
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