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Liver immunology

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https://www.readbyqxmd.com/read/28321910/the-coming-of-age-of-a-young-subspecialty-paediatric-hepatology
#1
REVIEW
Antal Németh
Paediatric hepatology dates from the 1970s and it is the youngest of the organ-specific subspecialties. Since then there have been impressive achievements in the fields of anatomical, metabolic, immunological and neoplastic diseases and the advent of modern molecular biology has resulted in a marked increase in exact diagnoses. Liver transplants provided enormous stimulus for the discipline. Due to changing morbidity patterns the discipline faces new challenges, such as environmental and lifestyle induced liver diseases, but different forms of chronic viral hepatitis are diminishing...
March 21, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28320105/anti-fibrotic-potential-of-human-umbilical-cord-mononuclear-cells-and-mouse-bone-marrow-cells-in-ccl4-induced-liver-fibrosis-in-mice
#2
Nageh Ahmed Elmahdy, Samia Salem Sokar, Mohamed Labib Salem, Naglaa Ibrahim Sarhan, Sherin Hamed Abou-Elela
Liver fibrosis is the consequence of hepatocyte injury that leads to the activation of hepatic stellate cells (HSC). The treatment of choice is Liver transplantation; however, it has many problems such as surgery-related complications, immunological rejection and high costs associated with the procedure. Stem cell-based therapy would be a potential alternative, so the aim of this study is to investigate the therapeutic potential of human umbilical cord mononuclear cells (MNC) and mouse bone marrow cells (BMC) against carbon tetrachloride (CCl4) induced liver fibrosis in mice and compare it with that of silymarin...
March 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28317620/lupus-hepatitis-and-autoimmune-hepatitis-lupoid-hepatitis
#3
REVIEW
Avinash Adiga, Kenneth Nugent
Liver dysfunction occurs in approximately 50% of patients with systemic lupus erythematosus (SLE), and patients with SLE and elevated liver enzymes can present a complicated and difficult differential diagnosis. Lupus hepatitis and autoimmune hepatitis are 2 immunologic conditions involving the liver, which can have similar clinical, laboratory and systemic presentations, leading to difficulties in diagnosis. Physicians need to be aware of these 2 hepatic diseases as diagnosis and appropriate therapy need to occur early in the disease course to prevent progression to advanced liver disease...
April 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/28317087/imaging-and-clinicopathological-features-of-nivolumab-related-cholangitis-in-patients-with-non-small-cell-lung-cancer
#4
Hisato Kawakami, Junko Tanizaki, Kaoru Tanaka, Koji Haratani, Hidetoshi Hayashi, Masayuki Takeda, Ken Kamata, Mamoru Takenaka, Masatomo Kimura, Takaaki Chikugo, Takao Sato, Masatoshi Kudo, Akihiko Ito, Kazuhiko Nakagawa
Background Nivolumab demonstrates promising efficacy for the treatment of non-small cell lung cancer and other malignancies. The clinical benefit of nivolumab, however, may be hampered by specific immune-related adverse events (irAEs), and little is known regarding nivolumab-related cholangitis. Methods A computerized search of our clinical database identified 3 metastatic non-small cell lung cancer patients with nivolumab-related cholangitis. All patients were treated with intravenous nivolumab monotherapy (3...
March 20, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28314211/the-role-of-kupffer-cells-in-hepatic-diseases
#5
REVIEW
Peizhi Li, Kun He, Jinzheng Li, Zuojin Liu, Jianping Gong
Kupffer cells (KCs) constitute 80-90% of the tissue macrophages present in the body. Essential to innate and adaptive immunity, KCs are responsible for the swift containment and clearance of exogenous particulates and immunoreactive materials which are perceived as foreign and harmful to the body. Similar to other macrophages, KCs also sense endogenous molecular signals that may result from perturbed homeostasis of the host. KCs have been implicated in host defense and the pathogenesis of various hepatic diseases, including endotoxin tolerance, liver transplantation, nonalcoholic fatty liver disease, and alcoholic liver disease...
March 14, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28292253/the-adeno-associated-virus-a-safe-and-effective-vehicle-for-liver-specific-gene-therapy-of-inherited-and-non-inherited-diseases
#6
Kai Yan Mak, Indu G Rajapaksha, Peter W Angus, Chandana B Herath
The first human adeno-associated virus (AAV) was originally discovered in 1960s as a contaminant of adenovirus stocks preparation and thus it had not been of medical interest. Throughout last three decades AAV has gained popularity to be used in gene therapy, mainly due to its replicative defectiveness and lack of pathogenicity in human. In addition, the ability to mediate a stable and long-term expression in both non-dividing and dividing cells with specific tissue tropism makes AAV as one of the most promising candidates for therapeutic gene transfer to treat many genetic as well as non-genetic disorders...
March 14, 2017: Current Gene Therapy
https://www.readbyqxmd.com/read/28289147/gfpuv-expressing-recombinant-rickettsia-typhi-a-useful-tool-for-the-study-of-pathogenesis-and-cd8-t-cell-immunology-in-rickettsia-typhi-infection
#7
Matthias Hauptmann, Nicole Burkhardt, Ulrike Munderloh, Svenja Kuehl, Ulricke Richardt, Susanne Krasemann, Kristin Hartmann, Till Krech, Bernhard Fleischer, Christian Keller, Anke Osterloh
Rickettsia (R) typhi is the causative agent of endemic typhus, a disease that occurs wordwide with increasing incidence and can be fatal. Because of its obligate intracellular life style, genetic manipulation of this pathogen is difficult. Nonetheless, in recent years genetic manipulation tools have been successfully applied to rickettsiae. We describe here for the first time the transformation of R. typhi with the pRAM18dRGA plasmid that originally derives from R. amblyommatis and encodes for the expression of GFP(uv) Transformed R...
March 13, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28286647/investigation-of-the-immune-effects-of-scutellaria-baicalensis-on-blood-leukocytes-and-selected-organs-of-the-chicken-s-lymphatic-system
#8
Bożena Króliczewska, Stanisław Graczyk, Jarosław Króliczewski, Aleksandra Pliszczak-Król, Dorota Miśta, Wojciech Zawadzki
BACKGROUND: The health of chickens and the welfare of poultry industry are central to the efforts of addressing global food security. Therefore, it is essential to study chicken immunology to maintain and improve its health and to find novel and sustainable solutions. This paper presents a study on investigation of the effect of Scutellaria baicalensis root (SBR) on the immune response of broiler chicken, especially on lymphocytes and heterophils reactivity, regarding their contribution to the development of immunity of the chickens...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28285507/human-cases-of-fascioliasis-in-fujian-province-china
#9
Lin Ai, Yu-Chun Cai, Yan Lu, Jia-Xu Chen, Shao-Hong Chen
Fascioliasis is a foodborne zoonotic parasitic disease. We report 4 cases occurring in the same family, in whom diagnosis of acute fascioliasis was established after series of tests. One case was hospitalized with fever, eosinophilia, and hepatic lesions. MRI showed hypodense changes in both liver lobes. The remaining 3 cases presented with the symptom of stomachache only. Stool analysis was positive for Fasciola eggs in 2 adult patients. The immunological test and molecular identification of eggs were confirmed at the National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Shanghai, China...
February 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28284854/effects-of-graded-dietary-levels-of-soy-protein-concentrate-supplemented-with-methionine-and-phosphate-on-the-immune-and-antioxidant-responses-of-gilthead-sea-bream-sparus-aurata-l
#10
Fotini Kokou, Elena Sarropoulou, Efthimia Cotou, Maroudio Kentouri, Maria Alexis, George Rigos
The effects of a dietary soy protein concentrate (SPC) as a fish meal (FM) substitute, on selected innate immune responses, the oxidative status, hepatic and intestinal morphology of gilthead sea bream, Sparus aurata, were evaluated after a three-month feeding trial. Isonitrogenous (45% crude protein) and isoenergetic (23 kJ/g gross energy) diets with 20% (SPC20), 40% (SPC40) and 60% (SPC60) of SPC inclusion, supplemented with methionine and phosphate, were evaluated against a diet containing FM as the sole protein source...
March 8, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28279791/methionine-hydroxy-analogue-improves-intestinal-immunological-and-physical-barrier-function-in-young-grass-carp-ctenopharyngodon-idella
#11
Fei-Yu Pan, Pei Wu, Lin Feng, Wei-Dan Jiang, Sheng-Yao Kuang, Ling Tang, Wu-Neng Tang, Yong-An Zhang, Xiao-Qiu Zhou, Yang Liu
This study was conducted to test the hypothesis that methionine hydroxy analogue (MHA) enhances the defense against enteritis occurrence via improving intestinal barrier function in fish. After 630 young grass carp (Ctenopharyngodon idella) (259.70 ± 0.47 g) fed six graded levels of MHA (0, 2.4, 4.4, 6.4, 8.5 and 10.5 g/kg diet) and one dl-methionine group (6.4 g/kg diet) for 8 weeks. At the end of feeding trial, 15 fish from each treatment were challenged with Aeromonas hydrophila for 14 days. The results indicated that optimal MHA enhanced the capacity of fish against enteritis emergence, which might be related to the positive effects of MHA on intestinal immunological and physical barrier function in fish...
March 6, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28274305/-protective-effect-of-quercetin-against-immunological-liver-injury-through-activating-nrf2-are-signaling-pathway
#12
Caibing Wei, Liandi Zhou, Yuzhen Zhang, Jiawei Zhang, Qihui Zhang, Kun Tao
Objective To observe the protective effect of quercetin against immunological liver injury induced by triptolide, and investigate the involvement of Nrf2/ARE signaling pathway in the protection. Methods Fifty C57BL/6J mice were randomly divided into five groups: control group, model group, (20, 50, 80) mg/kg quercetin pre-treatment groups. Each group included 10 mice. The mice were treated with different doses of quercetin once daily for consecutive 10 days. At the end of the experiment, triptolide (500 μg/kg) was given intragastrically to induce immunological liver injury in all groups except for the control group...
March 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28272460/nucleic-acid-based-polymers-effective-against-hepatitis-b-virus-infection-in-patients-don-t-harbor-immunostimulatory-properties-in-primary-isolated-liver-cells
#13
Catherine Isabell Real, Melanie Werner, Andreas Paul, Guido Gerken, Joerg Friedrich Schlaak, Andrew Vaillant, Ruth Broering
Nucleic acid polymers (NAPs) block the release of subviral particles from hepatocytes, a mechanism consistent with their antiviral activity against hepatitis B virus (HBV) in patients. Analysis of immunostimulatory properties of NAPs were conducted with several NAP species: REP 2006, the prototypic degenerate NAP [dN]40, containing TLR9-stimulatory CpG; REP 2055 a clinically active NAP with a sequence [dAdC]20 devoid of CpG content; REP 2139 (also clinically active) and REP 2165 (REP 2055 analogues further rendered immunologically inactive by replacing cytidine with 5-methylcytidine and incorporating 2'-O methylation of riboses)...
March 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28268114/s-mansoni-t-cruzi-co-infection-modulates-arginase-1-inos-expression-liver-and-heart-disease-in-mice
#14
João Paulo Ferreira Rodrigues, Ivo Santana Caldas, Reggiani Vilela Gonçalves, Leonardo Augusto Almeida, Raquel Lopes Martins Souza, Rômulo Dias Novaes
Although Schistosoma species and Trypanosoma cruzi share common endemic areas, co-infections by these parasites remains overlooked. By using a murine model of S. mansoni and T. cruzi co-infection, we investigated if and to what extent these infections might interact to change the pathological outcomes typically observed when the host is infected by a single parasite species. Swiss mice were randomized into four groups: uninfected (NI) and those infected by S. mansoni (SM), T. cruzi (TC) or co-infected (SM + TC)...
March 4, 2017: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/28267623/thymic-nf-%C3%AE%C2%BAb-inducing-kinase-nik-regulates-cd4-t-cell-elicited-liver-injury-and-fibrosis-in-mice
#15
Hong Shen, Liang Sheng, Yi Xiong, Yeung-Hyen Kim, Lin Jiang, Zheng Chen, Yong Liu, Kalyani Pyaram, Cheong-Hee Chang, Liangyou Rui
BACKGROUND & AIMS: The liver is an immunologically-privileged organ. Breakdown of liver immune privilege has been reported in chronic liver disease; however, the role of adaptive immunity in liver injury is poorly defined. NIK is known to regulate immune tissue development, but its role in maintaining liver homeostasis remains unknown. This study aimed to assess the role of NIK, particularly thymic NIK, in regulating liver adaptive immunity. METHODS: NIK was deleted systemically or conditionally using the cre/loxp system...
March 3, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28258935/the-predominance-of-a-naive-t-helper-cell-subset-in-the-immune-response-of-experimental-acute-pancreatitis
#16
Andrea I Schmidt, Christian Kühlbrey, Robert Lauch, Guido Wolff-Vorbeck, Sophia Chikhladze, Ulrich T Hopt, Uwe A Wittel
INTRODUCTION: In necrotizing acute pancreatitis (NAP), systemic inflammatory response syndrome (SIRS) and the compensatory anti-inflammatory response syndrome (CARS) decide overall outcome and mortality. In patients, low lymphocyte counts were found, but T-helper cells seemed to conversely increase. Our aim was to further categorize T-helper cells within the context of NAP induced SIRS and CARS. METHODS: NAP was induced by injection of sodium-taurocholate into the common bile duct of male BALB/c mice; sham treated animals received saline infusion...
February 22, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/28247771/poems-syndrome-and-idiopathic-portal-hypertension-a-possible-association
#17
Sara Campos, Cláudia Agostinho, Maria Augusta Cipriano
A 48-year old female patient was admitted to the emergency department with upper gastrointestinal bleeding. Endoscopy showed large esophageal varices that were treated with band ligation. She had been treated with cyclophosphamide, melphalan, lenalidomide and corticosteroids for POEMS syndrome (polyneuropathy, organomegaly, endocrinopathy or edema, M protein, skin changes). She had no other risk factors for chronic liver disease. Laboratory and radiological examinations could not confirm the etiology of portal hypertension...
March 1, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28244792/effects-unrelated-to-anti-inflammation-of-lipid-emulsions-containing-fish-oil-in-parenteral-nutrition-for-adult-patients
#18
Javier Mateu de Antonio, Marta Florit-Sureda
Several reviews and meta-analyses on modulated inflammatory and immunologic responses after the administration of omega-3 polyunsaturated fatty acids (PUFAs) in different diseases and conditions have been published. However, omega-3 PUFAs exert several other actions which are not directly related to immunologic or inflammatory responses. The aim of this paper was to review the effects which are not directly related to immunologic and inflammatory responses of intravenous lipid emulsions (IVLEs) containing fish oil (FO) in parenteral nutrition (PN) for adult patients...
February 1, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28241780/thromboelastometry-versus-standard-coagulation-tests-versus-restrictive-protocol-to-guide-blood-transfusion-prior-to-central-venous-catheterization-in-cirrhosis-study-protocol-for-a-randomized-controlled-trial
#19
Leonardo Lima Rocha, Camila Menezes Souza Pessoa, Ary Serpa Neto, Rogerio Ruscitto do Prado, Eliezer Silva, Marcio Dias de Almeida, Thiago Domingos Correa
BACKGROUND: Liver failure patients have traditionally been empirically transfused prior to invasive procedures. Blood transfusion is associated with immunologic and nonimmunologic reactions, increased risk of adverse outcomes and high costs. Scientific evidence supporting empirical transfusion is lacking, and the best approach for blood transfusion prior to invasive procedures in cirrhotic patients has not been established so far. The aim of this study is to compare three transfusion strategies (routine coagulation test-guided - ordinary or restrictive, or thromboelastometry-guided) prior to central venous catheterization in critically ill patients with cirrhosis...
February 27, 2017: Trials
https://www.readbyqxmd.com/read/28240817/liver-ex-vivo-machine-perfusion-preservation-a-review-of-the-methodology-and-results-of-large-animal-studies-and-clinical-trials
#20
REVIEW
Hazel Marecki, Adel Bozorgzadeh, Robert Porte, Henri Leuvenink, Korkut Uygun, Paulo Martins
Ex-vivo machine perfusion is a promising way to better preserve livers prior to transplantation. Currently, no methodology has verified benefit over simple cold storage. Before becoming clinically feasible, machine perfusion requires validation in models that reliably predict human performance. Such a model has been found in porcine liver, who's physiological, anatomical, and immunological characteristics closely resemble the human liver. Since the 1930s, researchers have explored machine perfusion as preservation, but only recently have clinical trials been performed...
February 27, 2017: Liver Transplantation
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