Mesenchymal stem cells alleviate bacteria‐induced liver injury in mice by inducing regulatory dendritic cells

Yi Zhang, Wei Cai, Qingrong Huang, Yuting Gu, Yufang Shi, Jiefang Huang, Fang Zhao, Qiang Liu, Xunbin Wei, Min Jin, Changping Wu, Qing Xie, Yi Zhang, Bing Wan, Yanyun Zhang – 8 August 2013 – Fulminant hepatic failure (FHF) is a clinical syndrome characterized by sudden and severe impairment of liver function. Mesenchymal stem cells (MSCs) have been proposed as a promising therapeutic approach for FHF. In this study we used Propionibacterium acnes (P. acnes)‐primed, lipopolysaccharide (LPS)‐induced liver injury in mice as an animal model of human FHF.

Serum B‐type natriuretic peptide in the initial workup of patients with new onset ascites: A diagnostic accuracy study

Alberto Q. Farias, Odilson M. Silvestre, Guadalupe Garcia‐Tsao, Luis F.B. Seguro, Daniel F. Mazo, Fernando Bacal, José L. Andrade, Luciana L. Gonçalves, Célia Strunz, Danusa S. Ramos, Demerson Polli, Vincenzo Pugliese, Ana C.T. Rodrigues, Meive S. Furtado, Flair J. Carrilho, Luiz A.C. D'Albuquerque – 2 August 2013 – Heart failure (HF) is, after cirrhosis, the second‐most common cause of ascites. Serum B‐type natriuretic peptide (BNP) plays an important role in the diagnosis of HF. Therefore, we hypothesized that BNP would be useful in the differential diagnosis of ascites.

Differential migration of passenger leukocytes and rapid deletion of naive alloreactive CD8 T cells after mouse liver transplantation

Szun S. Tay, Bo Lu, Fred Sierro, Volker Benseler, Claire M. McGuffog, G. Alex Bishop, Peter J. Cowan, Geoffrey W. McCaughan, Karen M. Dwyer, David G. Bowen, Patrick Bertolino – 2 August 2013 – Donor passenger leukocytes (PLs) from transplanted livers migrate to recipient lymphoid tissues, where they are thought to induce the deletion of donor‐specific T cells and tolerance.

The effects of female sex, viral genotype, and IL28B genotype on spontaneous clearance of acute hepatitis C virus infection

Jason Grebely, Kimberly Page, Rachel Sacks‐Davis, Maarten Schim Loeff, Thomas M. Rice, Julie Bruneau, Meghan D. Morris, Behzad Hajarizadeh, Janaki Amin, Andrea L. Cox, Arthur Y. Kim, Barbara H. McGovern, Janke Schinkel, Jacob George, Naglaa H. Shoukry, Georg M. Lauer, Lisa Maher, Andrew R. Lloyd, Margaret Hellard, Gregory J. Dore, Maria Prins, the InC3 Study Group – 2 August 2013 – Although 20%‐40% of persons with acute hepatitis C virus (HCV) infection demonstrate spontaneous clearance, the time course and factors associated with clearance remain poorly understood.

Highly efficient infectious cell culture of three hepatitis C virus genotype 2b strains and sensitivity to lead protease, nonstructural protein 5A, and polymerase inhibitors

Santseharay Ramirez, Yi‐Ping Li, Sanne B. Jensen, Jannie Pedersen, Judith M. Gottwein, Jens Bukh – 2 August 2013 – Hepatitis C virus (HCV) is a genetically diverse virus with multiple genotypes exhibiting remarkable differences, particularly in drug susceptibility. Drug and vaccine development will benefit from high‐titer HCV cultures mimicking the complete viral life cycle, but such systems only exist for genotypes 1a and 2a. We developed efficient culture systems for the epidemiologically important genotype 2b.

MicroRNA‐494 within an oncogenic microRNA megacluster regulates G1/S transition in liver tumorigenesis through suppression of mutated in colorectal cancer

Lionel Lim, Asha Balakrishnan, Noelle Huskey, Kirk D. Jones, Mona Jodari, Raymond Ng, Guisheng Song, Jesse Riordan, Brittany Anderton, Siu‐Tim Cheung, Holger Willenbring, Adam Dupuy, Xin Chen, David Brown, Aaron N. Chang, Andrei Goga – 2 August 2013 – Hepatocellular carcinoma (HCC) is associated with poor survival for patients and few effective treatment options, raising the need for novel therapeutic strategies. MicroRNAs (miRNAs) play important roles in tumor development and show deregulated patterns of expression in HCC.

The role of macrophage migration inhibitory factor in autoimmune liver disease

David N. Assis, Lin Leng, Xin Du, Clarence K. Zhang, Gerrit Grieb, Melanie Merk, Alvaro Baeza Garcia, Catherine McCrann, Julius Chapiro, Andreas Meinhardt, Yuka Mizue, David J. Nikolic‐Paterson, Jürgen Bernhagen, Marshall M. Kaplan, Hongyu Zhao, James L. Boyer, Richard Bucala – 2 August 2013 – The role of the cytokine, macrophage migration inhibitory factor (MIF), and its receptor, CD74, was assessed in autoimmune hepatitis (AIH) and primary biliary cirrhosis (PBC).

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