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Autoimmune liver disease

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https://www.readbyqxmd.com/read/29446799/autoimmune-hepatitis-in-children
#1
Saumya Pathak, Deepak Kamat
Autoimmune hepatitis (AIH) is an immune-mediated, inflammatory liver disease. Clinical presentation of AIH in children is highly variable. It can present acutely, chronically, or silently. There are two main types of AIH-type 1 and type 2, which are differentiated and defined by the presence of specific autoantibodies. AIH eventually progresses to cirrhosis when left untreated, and occasionally even with treatment. AIH must be suspected and excluded in all children presenting with signs of acute, prolonged, or severe liver disease...
February 1, 2018: Pediatric Annals
https://www.readbyqxmd.com/read/29445068/lower-plasma-levels-of-il-35-in-patients-with-primary-biliary-cirrhosis
#2
Tengda Li, Yuanlan Huang, Peng Liu, Yun Liu, Jie Guo, Weiwei Zhang, Mingli Gu, Cheng Qian, Anmei Deng
Primary biliary cirrhosis (PBC) is an autoimmune liver disease. Its histological characteristics, such as progressive intrahepatic bile duct destruction, cholestasis, and liver cirrhosis, are caused by the body's autoimmune disorders. Interleukin (IL)-35 has two subunits (p35 and Ebi3) and is a member of the IL-12 family of heterodimeric cytokines. IL-35 has immunosuppressive functions and plays an important role in many autoimmune diseases. In this study, we compared plasma levels of IL-35 and relative mRNA expression levels of p35 and Ebi3 in peripheral blood mononuclear cells (PBMCs) from 70 PBC patients and 70 healthy individuals...
2018: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29441440/%C3%AE-%C3%AE-t-cells-in-liver-diseases
#3
REVIEW
Xuefu Wang, Zhigang Tian
γδ T cells display unique developmental, distributional, and functional patterns and can rapidly respond to various insults and contribute to diverse diseases. Different subtypes of γδ T cells are produced in the thymus prior to their migration to peripheral tissues. γδ T cells are enriched in the liver and exhibit liver-specific features. Accumulating evidence reveals that γδ T cells play important roles in liver infection, non-alcoholic fatty liver disease, autoimmune hepatitis, liver fibrosis and cirrhosis, and liver cancer and regeneration...
February 14, 2018: Frontiers of Medicine
https://www.readbyqxmd.com/read/29433557/metastatic-uveal-melanoma-showing-durable-response-to-anti-ctla-4-and-anti-pd-1-combination-therapy-after-experiencing-progression-on-anti-pd-1-therapy-alone
#4
Muhammad Zubair Afzal, Rodwell Mabaera, Keisuke Shirai
BACKGROUND: Uveal melanoma accounts for 85% of the ocular melanomas and has an increased risk of hematogenous spread, most commonly to the liver. After curative intent therapy like surgery and radiation, fifty percent of patients present with distant metastasis. Metastatic uveal melanoma (MUM) does not harbor typically targetable mutations, e.g., BRAF as in cutaneous melanoma. As a result, there is no proven therapy for MUM. Various chemotherapy and immunotherapy regimens have been tried and only partial response (PR) is the best that has been achieved in most of the cases...
February 12, 2018: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/29431403/mildly-elevated-liver-transaminase-levels-causes-and-evaluation
#5
Robert C Oh, Thomas R Hustead, Syed M Ali, Matthew W Pantsari
Mild, asymptomatic elevations (less than five times the upper limit of normal) of alanine transaminase and aspartate transaminase levels are common in primary care. It is estimated that approximately 10% of the U.S. population has elevated transaminase levels. An approach based on the prevalence of diseases that cause asymptomatic transaminase elevations can help clinicians efficiently identify common and serious liver disease. The most common causes of elevated transaminase levels are nonalcoholic fatty liver disease and alcoholic liver disease...
December 1, 2017: American Family Physician
https://www.readbyqxmd.com/read/29430789/intratumoral-delivery-of-interferon-%C3%AE-secreting-mscs-repolarizes-tumor-associated-macrophages-and-suppresses-neuroblastoma-proliferation-in-vivo
#6
Theresa Relation, Tai Yi, Adam J Guess, Krista La Perle, Satoru Otsuru, Suheyla Hasgur, Massimo Dominici, Christopher Breuer, Edwin M Horwitz
Neuroblastoma, the most common extracranial solid tumor in childhood, remains a therapeutic challenge. However, one promising patient treatment strategy is the delivery of anti-tumor therapeutic agents via mesenchymal stromal cell (MSC) therapy. MSCs have been safely utilized to treat genetic bone diseases such as osteogenesis imperfecta, cardiovascular diseases, autoimmune diseases, and cancer. The pro-inflammatory cytokine interferon-gamma (IFNγ) has been shown to decrease tumor proliferation by altering the tumor microenvironment (TME)...
February 12, 2018: Stem Cells
https://www.readbyqxmd.com/read/29430221/successful-treatment-of-oral-lichen-planus-with-direct-acting-antiviral-agents-after-liver-transplantation-for-hepatitis-c-virus-associated-hepatocellular-carcinoma
#7
Yumiko Nagao, Kazunori Nakasone, Tatsuji Maeshiro, Nao Nishida, Kanae Kimura, Yuji Kawahigashi, Yasuhito Tanaka, Michio Sata
Hepatitis C virus (HCV) infection is frequently associated with various extrahepatic manifestations, such as autoimmune features and immune complex deposit diseases. Oral lichen planus (OLP) is one such extrahepatic manifestation of HCV infection. Recently, direct-acting antivirals (DAA) have proved to be highly effective and safe for the eradication of HCV. Herein, we report a case of OLP accompanied by HCV-related hepatocellular carcinoma (HCC) that disappeared after liver transplantation and achievement of sustained virological response following interferon (IFN)-free treatment with ledipasvir (LDV) and sofosbuvir (SOF)...
September 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/29428670/protective-effects-of-punica-granatum-pomegranate-peel-extract-on-concanavalin-a-induced-autoimmune-hepatitis-in-mice
#8
Tingting Wang, Ruoting Men, Mingxing Hu, Xiaoli Fan, Xiaoxue Yang, Xiaojun Huang, Tinghong Ye, Li Yang
Autoimmune hepatitis (AIH) is a chronic inflammatory liver disease of an unknown etiology, glucocorticoid therapy is currently recognized as an effective treatment for AIH, but conventional application and patient compliance are both hindered by its side effects. The exploration of the AIH pathogenesis and the searching for the new candidate drugs that exert potential activity and low toxicity are urgently needed. Pomegranate peel extract (PoPx) is a natural extract of Punica granatum and has been reported to have anti-inflammatory and antioxidative properties...
February 8, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29428100/clinical-analysis-of-liver-transplantation-in-autoimmune-liver-diseases
#9
Cheng-Peng Zhong, Zhi-Feng Xi, Qiang Xia
BACKGROUND: Autoimmune liver diseases (ALDs) consist of autoimmune hepatitis (AIH), primary biliary cirrhosis (PBC), primary sclerosing cholangitis (PSC), IgG4-associated cholangitis and overlap syndromes. Patients with these diseases may gradually progress to end-stage liver diseases and need liver transplantation. The present study aimed to explore the prognosis of patients with ALDs after liver transplantation. METHODS: The clinical data of 80 patients with ALD (24 cases of AIH, 35 of PBC, 15 of PSC and 6 of AIH-PBC overlap syndromes) who underwent liver transplantation in Renji Hospital, Shanghai Jiao Tong University School of Medicine from June 2004 to September 2016 were collected retrospectively...
February 2018: Hepatobiliary & Pancreatic Diseases International: HBPD INT
https://www.readbyqxmd.com/read/29420849/expression-of-microrna-155-in-inflammatory-cells-modulates-liver-injury
#10
Delia Blaya, Beatriz Aguilar-Bravo, Fengjie Hao, Silvia Casacuberta-Serra, Mar Coll, Luis Perea, Júlia Vallverdú, Isabel Graupera, Elisa Pose, Laura Llovet, Jordi Barquinero, Francisco Javier Cubero, Juan Caballería, Pere Ginès, Pau Sancho-Bru
miR-155 is involved in immune and inflammatory diseases and is associated with liver fibrosis and steatohepatitis. However, the mechanisms involved in miR-155 regulation of liver injury are largely unknown. The role of miR-155 in acute liver injury was assessed in wild type (WT), miR-155-/- and miR-155-/- mice transplanted with WT bone marrow. Additionally, miR-155 expression was evaluated in liver tissue and peripheral blood mononuclear cells (PBMC) of patients with autoimmune hepatitis. Concanavalin A (ConA) but not acetaminophen (APAP) treatment increased the expression of miR-155 in liver tissue of WT mice...
February 8, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29419915/skin-manifestations-in-patients-with-hcv-related-chronic-liver-disease
#11
Rosanna Satta, Giovanni Mario Pes, Bianca Maria Quarta Colosso, Maria Pina Dore
Hepatitis C virus (HCV) is able to trigger both hepatic and extra-hepatic manifestations (1,2). Among the latter, the most investigated is mixed cryoglobulinemia vasculitis (MCV), especially of type II (3, 4), usually detected in 40-60% of patients chronically infected with enhanced the risk to develop lymphomas (5). Autoimmune disorders including thyroid disease, and diabetes mellitus have also been associated with chronic HCV infection (6). Skin manifestations may occur in up to 17% of HCV positive patients (7) and are the result of the immuno-mediated damage induced by the virus itself, and/or the associated liver injury (8)...
February 8, 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29407573/identification-of-duck-il-4-and-its-inhibitory-effect-on-il-17a-expression-in-r-anatipestifer-stimulated-splenic-lymphocytes
#12
Cherry P Fernandez, Fahmida Afrin, Rochelle A Flores, Woo H Kim, Jipseol Jeong, Suk Kim, Hyun S Lillehoj, Wongi Min
As the dysregulation of IL-17 is implicated in the pathogenesis of various autoimmune and inflammatory diseases, the suppression of IL-17 production by Th2 cytokines could alleviate the development of these diseases. Previously, we confirmed that inflammatory cytokines including IL-17A are strongly associated with R. anatipestifer infection, which is one of the most important bacterial pathogens in the duck industry. Here, we found that IL-4 treatment downregulated the expression of IL-17A and IL-17F transcripts in splenic lymphocytes stimulated with R...
February 2, 2018: Molecular Immunology
https://www.readbyqxmd.com/read/29404460/atovaquone-proguanil-induced-autoimmune-like-hepatitis
#13
Benedetta Terziroli Beretta-Piccoli, Giorgina Mieli-Vergani, Raffaela Bertoli, Luca Mazzucchelli, Charity Nofziger, Markus Paulmichl, Diego Vergani
We report a novel association between the commonly used antimalarial medication atovaquone/proguanil and drug-induced autoimmune-like hepatitis. The patient developed severe liver disease fulfilling biochemical, immunologic, and histologic criteria for the diagnosis of autoimmune hepatitis after the inadvertent rechallenge with the offending drug, which had caused self-limited hepatitic symptoms a year previously. Over a period of 18 months, the patient underwent two follow-up liver biopsies showing progressive resolution of the liver inflammation and achieved complete biochemical and immunologic remission on steroids...
June 2017: Hepatology Communications
https://www.readbyqxmd.com/read/29403081/hepatotoxicity-of-immune-checkpoint-inhibitors-a-histology-study-of-seven-cases-in-comparison-with-autoimmune-hepatitis-and-idiosyncratic-drug-induced-liver-injury
#14
Yoh Zen, Matthew M Yeh
The adverse effects of immune checkpoint inhibitors in various organs may be attributed to immune-mediated processes triggered by disrupted self-tolerance; however, it remains unclear whether they are similar or dissimilar to classic organ-specific autoimmune diseases. The present study aimed to compare clinicopathologic features between checkpoint inhibitor-induced liver injury and acutely presenting autoimmune hepatitis or idiosyncratic drug-induced liver injury. Seven patients treated with nivolumab (n = 5) or ipilimumab (n = 2) presented with liver dysfunction a median of 41 days (range 21-120) after the initiation of immunotherapy...
February 5, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29399277/fatty-liver-disease-an-emerging-etiology-of-hepatocellular-carcinoma-in-argentina
#15
Federico Piñero, Josefina Pages, Sebastián Marciano, Nora Fernández, Jorge Silva, Margarita Anders, Alina Zerega, Ezequiel Ridruejo, Beatriz Ameigeiras, Claudia D'Amico, Luis Gaite, Carla Bermúdez, Manuel Cobos, Carlos Rosales, Gustavo Romero, Lucas McCormack, Virginia Reggiardo, Luis Colombato, Adrián Gadano, Marcelo Silva
AIM: To investigate any changing trends in the etiologies of hepatocellular carcinoma (HCC) in Argentina during the last years. METHODS: A longitudinal cohort study was conducted by 14 regional hospitals starting in 2009 through 2016. All adult patients with newly diagnosed HCC either with pathology or imaging criteria were included. Patients were classified as presenting non-alcoholic fatty liver disease (NAFLD) either by histology or clinically, provided that all other etiologies of liver disease were ruled out, fatty liver was present on abdominal ultrasound and alcohol consumption was excluded...
January 27, 2018: World Journal of Hepatology
https://www.readbyqxmd.com/read/29399041/insights-into-the-management-of-gastric-antral-vascular-ectasia-watermelon-stomach
#16
REVIEW
Wen-Hung Hsu, Yao-Kuang Wang, Meng-Shu Hsieh, Fu-Chen Kuo, Meng-Chieh Wu, Hsiang-Yao Shih, I-Chen Wu, Fang-Jung Yu, Huang-Ming Hu, Yu-Chung Su, Deng-Chyang Wu
Gastric antral vascular ectasia (GAVE) is an uncommon but important cause of chronic gastrointestinal bleeding. It is often associated with systemic diseases such as autoimmune diseases, liver cirrhosis, chronic renal insufficiency and cardiovascular disease. The etiology of GAVE has not been fully explored and remains controversial. Diagnosis is mainly based on endoscopic presentation with flat or raised erythematous stripes radiating from the pylorus to the antrum and resembles a watermelon. Clinical presentation may range from iron-deficiency anemia secondary to occult blood loss, melena to hematemesis...
2018: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/29397597/-an-analysis-of-clinical-characteristic-and-related-risk-factors-in-208-cirrhotic-patients-complicated-with-infections
#17
G H Zhang, M Wang, L Wang, X M Wang, Y Wang, X J Ou, J D Jia
Objective: To analyze the clinical features and risk factors of cirrhotic patients complicated with infections. Methods: The clinical and laboratory characteristics of cirrhotic patients complicated with infections hospitalized from April 2014 to June 2017 were retrospectively analyzed. Relevant risk factors for infection and mortality were explored. Results: The overall incidence of infections was 17.6% in 1 670 hospitalized cirrhotic patients. Among the recruited 208 patients in this study, alcoholic, viral hepatitis B or C and autoimmune liver diseases accounted for 29...
February 1, 2018: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/29396050/association-of-interleukin-il-4-variable-number-of-tandem-repeats-vntrs-and-il-4-590-promoter-polymorphisms-with-susceptibility-to-pediatric-autoimmune-hepatitis-type-1
#18
Amira Ibrahim Mansour, Ola Galal Behairy, Eman Rateb Abd Almonaem, Rasha Mahmoud Abd-Rabuh, Inas Abd Elmonem Ahmed
OBJECTIVE: Autoimmune hepatitis (AIH) is a chronic inflammatory liver disease mediated by an autoimmune reaction to hepatocytes, the present study aimed to assess the possible associations between interleukin-4 (IL-4) variable number of tandem repeats (VNTRs) and IL-4-590 promoter polymorphisms and susceptibility to autoimmune hepatitis type 1 in children. SUBJECTS AND METHODS: The study was performed on 101 children diagnosed with AIH and 104 apparently healthy, age and sex-matched control children, diagnosis of AIH was based on the simplified score for the diagnosis of AIH...
January 26, 2018: Cytokine
https://www.readbyqxmd.com/read/29395863/pembrolizumab-in-patients-with-thymic-carcinoma-a-single-arm-single-centre-phase-2-study
#19
Giuseppe Giaccone, Chul Kim, Jillian Thompson, Colleen McGuire, Bhaskar Kallakury, Joeffrey J Chahine, Maria Manning, Robin Mogg, Wendy M Blumenschein, Ming T Tan, Deepa S Subramaniam, Stephen V Liu, Ian M Kaplan, Justine N McCutcheon
BACKGROUND: Treatment options are limited for patients with thymic carcinoma. These aggressive tumours are not typically associated with paraneoplastic autoimmune disorders, and strong PD-L1 expression has been reported in thymic epithelial tumours. We aimed to assess the activity of pembrolizumab, a monoclonal antibody that targets PD-1, in patients with advanced thymic carcinoma. METHODS: We completed a single-arm phase 2 study of pembrolizumab in patients with recurrent thymic carcinoma who had progressed after at least one line of chemotherapy...
January 25, 2018: Lancet Oncology
https://www.readbyqxmd.com/read/29395171/de-novo-allergy-and-immune-mediated-disorders-following-solid-organ-transplantation-prevalence-natural-history-and-risk-factors
#20
Nufar Marcus, Achiya Z Amir, Eyal Grunebaum, Anne Dipchand, Diane Hebert, Vicky L Ng, Thomas Walters, Yaron Avitzur
OBJECTIVES: To describe the prevalence, natural course, outcome, and risk factors of post-transplant de novo allergy and autoimmunity. STUDY DESIGN: A cross-sectional, cohort study of all children (<18 years) who underwent a solid-organ transplantation, between 2000 and 2012, in a single transplant center, with a follow-up period of 6 months or more post-transplant and without history of allergy or immune-mediated disorder pretransplant. RESULTS: A total of 626 eligible patients were screened, and 273 patients (160 males; 59%) met the inclusion criteria; this included 111 liver, 103 heart, 52 kidney, and 7 multivisceral recipients...
January 22, 2018: Journal of Pediatrics
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