Prospective multicenter clinical trial of immunosuppressive drug withdrawal in stable adult liver transplant recipients

Carlos Benítez, María‐Carlota Londoño, Rosa Miquel, Tommaso‐Maria Manzia, Juan G. Abraldes, Juan‐José Lozano, Marc Martínez‐Llordella, Marta López, Roberta Angelico, Felix Bohne, Pilar Sese, Frederic Daoud, Patrick Larcier, Dave L. Roelen, Frans Claas, Gavin Whitehouse, Jan Lerut, Jacques Pirenne, Antoni Rimola, Giuseppe Tisone, Alberto Sánchez‐Fueyo – 26 March 2013 – Lifelong immunosuppression increases morbidity and mortality in liver transplantation.

The degree of liver injury determines the role of p21 in liver regeneration and hepatocarcinogenesis in mice

Laura Elisa Buitrago‐Molina, Silke Marhenke, Thomas Longerich, Amar Deep Sharma, Aristeidis E. Boukouris, Robert Geffers, Bruno Guigas, Michael P. Manns, Arndt Vogel – 23 March 2013 – Hepatocellular carcinoma (HCC) frequently arises in the context of chronic injury that promotes DNA damage and chromosomal aberrations. The cyclin‐dependent kinase inhibitor p21 is an important transcriptional target of several tumor suppressors, which promotes cell cycle arrest in response to many stimuli.

Proteome‐wide analyses of human hepatocytes during differentiation and dedifferentiation

Cliff Rowe, Dave T. Gerrard, Roz Jenkins, Andrew Berry, Kesta Durkin, Lars Sundstrom, Chris E. Goldring, B. Kevin Park, Neil R. Kitteringham, Karen Piper Hanley, Neil A. Hanley – 23 March 2013 – Failure to predict hepatotoxic drugs in preclinical testing makes it imperative to develop better liver models with a stable phenotype in culture. Stem cell‐derived models offer promise, with differentiated hepatocyte‐like cells currently considered to be “fetal‐like” in their maturity.

Sirtuin‐6–dependent genetic and epigenetic alterations are associated with poor clinical outcome in hepatocellular carcinoma patients

Jens U. Marquardt, Kerstin Fischer, Katharina Baus, Anubha Kashyap, Shengyun Ma, Markus Krupp, Matthias Linke, Andreas Teufel, Ulrich Zechner, Dennis Strand, Snorri S. Thorgeirsson, Peter R. Galle, Susanne Strand – 23 March 2013 – Sirtuin 6 (SIRT6) is a member of the sirtuin family of NAD+–dependent deacetylases. Genetic deletion of Sirt6 in mice results in a severe degenerative phenotype with impaired liver function and premature death. The role of SIRT6 in development and progression of hepatocellular carcinoma is currently unknown.

Use of rifabutin for the treatment of a latent tuberculosis infection in a patient after solid organ transplantation

Matthew D. Hickey, David J. Quan, Peter V. Chin‐Hong, John P. Roberts – 22 March 2013 – Latent tuberculosis infection is an important problem for solid organ transplant recipients because of the frequency of its occurrence and its potential for reactivation. Because of the high mortality rate associated with active tuberculosis infections in transplant recipients, guidelines from the American Thoracic Society recommend treatment for latent tuberculosis in this population.

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