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Find video protocols related to scientific articles indexed in Pubmed.
Sequential presentation of primary biliary cirrhosis and autoimmune hepatitis.
Eur J Gastroenterol Hepatol
PUBLISHED: 03-12-2014
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Primary biliary cirrhosis (PBC)-autoimmune hepatitis (AIH) overlap syndrome is used to describe the coexistence of both diseases, with either a sequential or a simultaneous presentation in the same patient. Available studies have focused on the simultaneous form, whereas there is limited information on sequential PBC-AIH. We carried out a retrospective study of patients who sequentially developed PBC-AIH overlap syndrome.
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Fatigue and pruritus at onset identify a more aggressive subset of primary biliary cirrhosis.
Liver Int.
PUBLISHED: 01-07-2014
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In recent years, primary biliary cirrhosis is mostly diagnosed in patients who are asymptomatic; however, a proportion of cases still present with typical complaints such as fatigue and/or pruritus. We compared biochemical, histological and immunological features of patients with or without fatigue and/or pruritus at onset to see whether the different clinical presentation may eventually impact on disease progression.
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Factors Associated with Response to Therapy and Outcome of Patients with Primary Biliary Cirrhosis with Features of Autoimmune Hepatitis.
Clin. Gastroenterol. Hepatol.
PUBLISHED: 05-15-2013
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For patients with primary biliary cirrhosis (PBC) with features of autoimmune hepatitis (AIH), treatment with ursodeoxycholic acid (UDCA) alone or in combination with immunosuppression is controversial. Little is known about the factors associated with initial response to therapy or outcome. We performed a retrospective analysis of treatment strategies and factors associated with outcomes of patients with PBC-AIH.
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Diagnostic difficulties, therapeutic strategies, and performance of scoring systems in patients with autoimmune hepatitis and concurrent hepatitis B/C.
Scand. J. Gastroenterol.
PUBLISHED: 03-01-2013
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The diagnosis of autoimmune hepatitis (AIH) is already difficult, and that of AIH with chronic viral hepatitis including hepatitis B (HBV) or hepatitis C (HCV) is even more challenging. To date, only a few case-based studies have described this association.
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Antibodies to soluble liver antigen in patients with various liver diseases: a multicentre study.
Liver Int.
PUBLISHED: 01-09-2013
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Antibodies to soluble liver antigen (anti-SLA) are specific serological markers of autoimmune hepatitis (AIH). The clinical significance and frequency of anti-SLA have never been reported among AIH patients from Italy and Turkey. To retrospectively assess the estimated prevalence, sensitivity, specificity and clinical significance of anti-SLA in AIH and various liver diseases.
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Liver fibrosis may reduce the efficacy of budesonide in the treatment of autoimmune hepatitis and overlap syndrome.
Autoimmun Rev
PUBLISHED: 09-04-2011
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The aim of the present study was to assess the efficacy and tolerability of budesonide as an alternative first line treatment option for autoimmune hepatitis (AIH) and the overlap syndrome.
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Autoimmune liver disease in patients with systemic lupus erythematosus: a retrospective analysis of 147 cases.
Scand. J. Gastroenterol.
PUBLISHED: 02-25-2011
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We aimed to investigate the characteristics of autoimmune liver disease (AILD) developed in patients with systemic lupus erythematosus (SLE), including autoimmune hepatitis (AIH), primary biliary cirrhosis (PBC) and the AIH/PBC overlap syndrome. We also evaluated the accuracy of diagnostic criteria and scoring systems for AILD in SLE.
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Redistribution of regulatory T-cells across the evolving stages of chronic hepatitis C.
Dig Liver Dis
PUBLISHED: 01-14-2011
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Hepatitis C virus infection frequently leads to chronic hepatitis, possibly evolving to end-stage liver disease and hepatocellular carcinoma. Regulatory T cells can affect antiviral immune response thus influencing the outcome of the disease.
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A multifaceted imbalance of T cells with regulatory function characterizes type 1 autoimmune hepatitis.
Hepatology
PUBLISHED: 08-05-2010
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Immunotolerance is maintained by regulatory T cells (Tregs), including CD4(+)CD25(hi), CD8(+)CD28(-), gammadelta, and CD3(+)CD56(+) [natural killer T (NKT)] cells. CD4(+)CD25(hi) cells are impaired in children with autoimmune hepatitis (AIH). Little is known about Tregs in adults with AIH. The aim of this study was to investigate the frequency and function of Treg subsets in adult patients with AIH during periods of active disease and remission. Forty-seven AIH patients (16 with active disease and 31 in remission) and 28 healthy controls were studied. Flow cytometry was used to evaluate surface markers and function-related intracellular molecules in gammadelta, CD8(+)CD28(-), NKT, and CD4(+)CD25(hi) cells. CD4(+)CD25(hi) T cell function was determined by the ability to suppress proliferation and interferon gamma (IFN-gamma) production by CD4(+)CD25(-) target cells. Liver forkhead box P3-positive (FOXP3(+)) cells were sought by immunohistochemistry. In AIH patients, particularly during active disease, CD4(+)CD25(hi) T cells were fewer, expressed lower levels of FOXP3, and were less effective at inhibiting target cell proliferation versus healthy controls. Moreover, although the numbers of CD8(+)CD28(-) T cells were similar in AIH patients and healthy controls, NKT cells were numerically reduced, especially during active disease, and produced lower quantities of the immunoregulatory cytokine interleukin-4 versus controls. In contrast, gammadelta T cells in AIH patients were more numerous versus healthy controls and had an inverted Vdelta1/Vdelta2 ratio and higher IFN-gamma and granzyme B production; the latter was correlated to biochemical indices of liver damage. There were few FOXP3(+) cells within the portal tract inflammatory infiltrate.
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Current topics in autoimmune hepatitis.
Dig Liver Dis
PUBLISHED: 03-31-2010
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Autoimmune hepatitis is a chronic liver disease of unknown aetiology characterized by interface hepatitis, hypergammaglobulinaemia and circulating autoantibodies. In the last decade a number of advancements have been made in the field of clinical and basic research: the simplified diagnostic criteria, the complete response defined as normalization of transaminase levels, the molecular identification of the antigenic targets of anti-liver cytosol antibody type 1 and anti-soluble liver antigen, the detection of anti-actin antibodies, the description of de novo autoimmune hepatitis after liver transplantation for non-autoimmune liver diseases, the characterization of autoimmune hepatitis with overlapping features of primary biliary cirrhosis or primary sclerosing cholangitis, the preliminary experience with novel treatment strategies based on cyclosporine, mycophenolate mofetil and budesonide, the role played by "impaired" regulatory T cells and the development of novel animal models of autoimmune hepatitis.
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Genome-wide meta-analyses identify three loci associated with primary biliary cirrhosis.
Nat. Genet.
PUBLISHED: 01-19-2010
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A genome-wide association screen for primary biliary cirrhosis risk alleles was performed in an Italian cohort. The results from the Italian cohort replicated IL12A and IL12RB associations, and a combined meta-analysis using a Canadian dataset identified newly associated loci at SPIB (P = 7.9 x 10(-11), odds ratio (OR) = 1.46), IRF5-TNPO3 (P = 2.8 x 10(-10), OR = 1.63) and 17q12-21 (P = 1.7 x 10(-10), OR = 1.38).
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PML nuclear body component Sp140 is a novel autoantigen in primary biliary cirrhosis.
Am. J. Gastroenterol.
PUBLISHED: 10-27-2009
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Some patients with primary biliary cirrhosis (PBC) have antinuclear antibodies (ANAs). These ANAs include the "multiple nuclear dots" (MND) staining pattern, targeting promyelocytic leukemia protein (PML) nuclear body (NB) components, such as "speckled 100-kD" protein (Sp100) and PML. A new PML NB protein, designated as Sp140, was identified using serum from a PBC patient. The aim of this study was to analyze the immune response against Sp140 protein in PBC patients.
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Diagnosis and therapy of autoimmune hepatitis.
Mini Rev Med Chem
PUBLISHED: 06-13-2009
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Autoimmune hepatitis (AIH) is a chronic progressive hepatitis, characterized by interface hepatitis with lymphoplasmacellular infiltrates on liver biopsy, high serum globulin level and circulating autoantibodies. It is classified into two types, according to autoantibody profile: type 1 is characterized by anti-nuclear (ANA) and/or anti-smooth muscle (SMA) antibodies; type 2 by anti-liver kidney microsomal type 1 (anti-LKM-1) antibodies. AIH affects all ages, may be asymptomatic, frequently has an acute onset, and can present as fulminant hepatitis. The diagnosis of AIH is based on a scoring system codified by an international consensus. Corticosteroids alone or in conjunction with azathioprine is the treatment of choice in patients with AIH and results in remission induction in over 80% of patients. Alternative proposed strategies in patients who have failed to achieve remission on standard therapy or patients with drug toxicity include the use of cyclosporine, tacrolimus, budesonide or mycophenolate mofetil. Liver transplantation is the treatment of choice in managing decompensated disease, however AIH can recur or develop de novo after liver transplantation.
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The serological profile of the autoimmune hepatitis/primary biliary cirrhosis overlap syndrome.
Am. J. Gastroenterol.
PUBLISHED: 04-28-2009
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During the last decade patients with concomitant clinical, biochemical, immunoserological, and histological features of both autoimmune hepatitis (AIH) and primary biliary cirrhosis (PBC) were sporadically described, but definite diagnostic criteria and specific serological markers to support the diagnosis of AIH/PBC overlap syndrome (AIH/PBC OS) are still lacking.
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Multiple nuclear dots and rim-like/membranous IgG isotypes in primary biliary cirrhosis.
Autoimmunity
PUBLISHED: 03-21-2009
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Anti nuclear (ANA) immunomorphological patterns such as multiple nuclear dots (MND) and rim-like/membranous (RL/M) are considered highly specific but little sensitive for primary biliary cirrhosis (PBC) diagnosis. To evaluate frequency and clinical significance of MND and RL/M in PBC patients when investigated at the level of immunoglobulin G isotypes. MND and RL/M pattern have been tested in 141 PBC sera and 230 pathological controls using HEp-2 cells as substrate and anti- total IgG and individual IgG subclasses (IgG1, IgG2, IgG3, IgG4) as specific antisera. One hundred and fourteen of 141 (80%) PBC patients had RL/M or MND pattern when IgG subclasses were used as revealing reagents (vs. 34% when anti total IgG were used, p < 0.0001). The prevalent isotype was IgG1 for RL/M, and IgG2 for MND pattern. None of controls was positive. No clinical differences in terms of severity and outcome of disease have been observed in PBC patients positive for MND and RL/M when investigated with IgG isotypes. The research for RL/M and MND pattern at level of IgG isotype determines a wide gain in terms of sensitivity without a loss of specificity. In Italian PBC patients MND and RL/M pattern did not seem to characterize any subgroup of patients with a poorer prognosis.
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Clinical features and effect of antiviral therapy on anti-liver/kidney microsomal antibody type 1 positive chronic hepatitis C.
J. Hepatol.
PUBLISHED: 01-31-2009
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Anti-liver/kidney microsomal antibody type 1 (anti-LKM1), a serological marker of type 2 autoimmune hepatitis, is also detected in a small proportion of patients with hepatitis C. This study aimed to evaluate clinical features and effect of antiviral therapy in patients with hepatitis C who are anti-LKM1 positive.
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Autoimmune hepatitis in Italy: the Bologna experience.
J. Hepatol.
PUBLISHED: 01-12-2009
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Autoimmune hepatitis affects mainly women. It is subdivided into type 1 and type 2 according to the autoantibody profile and without immunosuppression usually evolves to cirrhosis and end-stage liver failure.
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Identification of new autoantigens by protein array indicates a role for IL4 neutralization in autoimmune hepatitis.
Mol. Cell Proteomics
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Autoimmune hepatitis (AIH) is an unresolving inflammation of the liver of unknown cause. Diagnosis requires the exclusion of other conditions and the presence of characteristic features such as specific autoantibodies. Presently, these autoantibodies have relatively low sensitivity and specificity and are identified via immunostaining of cells or tissues; therefore, there is a diagnostic need for better and easy-to-assess markers. To identify new AIH-specific autoantigens, we developed a protein microarray comprising 1626 human recombinant proteins, selected in silico for being secreted or membrane associated. We screened sera from AIH patients on this microarray and compared the reactivity with that of sera from healthy donors and patients with chronic viral hepatitis C. We identified six human proteins that are specifically recognized by AIH sera. Serum reactivity to a combination of four of these autoantigens allows identification of AIH patients with high sensitivity (82%) and specificity (92%). Of the six autoantigens, the interleukin-4 (IL4) receptor fibronectin type III domain of the IL4 receptor (CD124), which is expressed on the surface of both lymphocytes and hepatocytes, showed the highest individual sensitivity and specificity for AIH. Remarkably, patients sera inhibited STAT6 phosphorylation induced by IL4 binding to CD124, demonstrating that these autoantibodies are functional and suggesting that IL4 neutralization has a pathogenetic role in AIH.
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Autoimmune hepatitis/primary biliary cirrhosis overlap syndrome and associated extrahepatic autoimmune diseases.
Eur J Gastroenterol Hepatol
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To assess the prevalence of concurrent extrahepatic autoimmune diseases in patients with autoimmune hepatitis (AIH)/primary biliary cirrhosis (PBC) overlap syndrome and applicability of the mosaic of autoimmunity in these patients.
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What is Visualize?

JoVE Visualize is a tool created to match the last 5 years of PubMed publications to methods in JoVE's video library.

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We use abstracts found on PubMed and match them to JoVE videos to create a list of 10 to 30 related methods videos.

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In developing our video relationships, we compare around 5 million PubMed articles to our library of over 4,500 methods videos. In some cases the language used in the PubMed abstracts makes matching that content to a JoVE video difficult. In other cases, there happens not to be any content in our video library that is relevant to the topic of a given abstract. In these cases, our algorithms are trying their best to display videos with relevant content, which can sometimes result in matched videos with only a slight relation.