The inhibitors of nucleotide biosynthesis leflunomide, FK778, and mycophenolic acid activate hepatitis B virus replication in vitro

Karin Hoppe‐Seyler, Peter Sauer, Claudia Lohrey, Felix Hoppe‐Seyler – 23 January 2012 – The inhibitors of pyrimidine synthesis, leflunomide and FK778, have been reported to exert broad antiviral effects, in addition to their immunosuppressive activities. Their possible therapeutic benefit for transplantation medicine is currently discussed, because they also block the replication of human cytomegalovirus and human polyomavirus BK, which both cause important complications in transplant recipients.

Transient elastography identifies liver recipients with nonviral graft disease after transplantation: A guide for liver biopsy

Cristina Rigamonti, Mirella Fraquelli, Anan Judina Bastiampillai, Lucio Caccamo, Paolo Reggiani, Giorgio Rossi, Massimo Colombo, Maria Francesca Donato – 23 January 2012 – Transient elastography (TE) reliably predicts the severity of recurrent hepatitis C virus after orthotopic liver transplantation (OLT); however, its accuracy in evaluating nonviral liver graft damage is unknown.

Four hundred thirty consecutive pediatric living donor liver transplants: Variables associated with posttransplant patient and graft survival

Joao Seda Neto, Renata Pugliese, Eduardo A. Fonseca, Rodrigo Vincenzi, Vincenzo Pugliese, Helry Candido, Alberto B. Stein, Marcel Benavides, Bernardo Ketzer, Hsiang Teng, Gilda Porta, Irene K. Miura, Vera Baggio, Teresa Guimaraes, Adriana Porta, Celso Arrais Rodrigues, Francisco C. Carnevale, Eduardo Carone, Mario Kondo, Paulo Chapchap – 23 January 2012 – The availability of living donors allows transplant teams to indicate living donor liver transplantation (LDLT) early in the course of liver disease before the occurrence of life‐threatening complications.

MxA inhibits hepatitis B virus replication by interaction with hepatitis B core antigen

Ning Li, Lei Zhang, Liangwei Chen, Wenfeng Feng, Yinfeng Xu, Feng Chen, Xiaohong Liu, Zhi Chen, Wei Liu – 23 January 2012 – Human MxA, an interferon‐inducible cytoplasmic dynamin‐like GTPase, possesses antiviral activity against multiple RNA viruses. Recently, MxA has also been demonstrated to have activity against the hepatitis B virus (HBV), a well‐known DNA virus responsible for acute and chronic liver disease in humans. We investigated the molecular mechanism for the anti‐HBV activity of MxA.

Absence of adipose triglyceride lipase protects from hepatic endoplasmic reticulum stress in mice

Claudia D. Fuchs, Thierry Claudel, Pooja Kumari, Guenter Haemmerle, Marion J. Pollheimer, Tatjana Stojakovic, Hubert Scharnagl, Emina Halilbasic, Judith Gumhold, Dagmar Silbert, Harald Koefeler, Michael Trauner – 23 January 2012 – Nonalcoholic fatty liver disease (NAFLD) is characterized by triglyceride (TG) accumulation and endoplasmic reticulum (ER) stress.

Transcriptional regulation of methionine adenosyltransferase 2A by peroxisome proliferator‐activated receptors in rat hepatic stellate cells

Komal Ramani, Maria Lauda Tomasi – 23 January 2012 – Methionine adenosyltransferases (MATs) are critical enzymes that catalyze the formation of the methyl donor S‐adenosyl methionine (SAM). The MAT2A gene, which encodes the catalytic subunit α2, is induced in dedifferentiated liver. We previously demonstrated that MAT2A expression is enhanced in activated hepatic stellate cells (HSCs) and that silencing this gene reduces HSC activation. In this study, we examined the molecular mechanisms responsible for the transcriptional regulation of the MAT2A gene in HSCs.

Noninvasive elastography‐based assessment of liver fibrosis progression and prognosis in primary biliary cirrhosis

Christophe Corpechot, Fabrice Carrat, Armelle Poujol‐Robert, Farid Gaouar, Dominique Wendum, Olivier Chazouillères, Raoul Poupon – 23 January 2012 – The development of liver fibrosis markers in primary biliary cirrhosis (PBC) is needed to facilitate the assessment of its progression and the effectiveness of new therapies. Here, we investigated the potential usefulness of transient elastography (TE) in the noninvasive evaluation of liver fibrosis stage and disease progression in PBC.

Pulmonary function in individuals who underwent liver transplantation: From the US cystic fibrosis foundation registry

Melissa R. Miller, Ronald J. Sokol, Michael R. Narkewicz, Marci K. Sontag – 23 January 2012 – Severe liver disease affects 4.5% to 10% of individuals with cystic fibrosis (CF) and is the third‐leading cause of death. Liver transplantation (LT) is an accepted therapy, but the effects of liver disease and LT on pulmonary function in patients with CF are controversial. Our aim was to characterize changes in pulmonary function in LT patients with CF.

A model for dropout assessment of candidates with or without hepatocellular carcinoma on a common liver transplant waiting list

Christian Toso, Elise Dupuis‐Lozeron, Pietro Majno, Thierry Berney, Norman M. Kneteman, Thomas Perneger, Philippe Morel, Gilles Mentha, Christophe Combescure – 23 January 2012 – In many countries, the allocation of liver grafts is based on the Model of End‐stage Liver Disease (MELD) score and the use of exception points for patients with hepatocellular carcinoma (HCC). With this strategy, HCC patients have easier access to transplantation than non‐HCC ones.

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