Characterization of hepatitis C virus intergenotypic recombinant strains and associated virological response to sofosbuvir/ribavirin

Charlotte Hedskog, Brian Doehle, Krishna Chodavarapu, Viktoria Gontcharova, Javier Crespo Garcia, Robert De Knegt, Joost P.H Drenth, John G. McHutchison, Diana Brainard, Luisa M. Stamm, Michael D. Miller, Evguenia Svarovskaia, Hongmei Mo – 7 August 2014 – To date, intergenotypic recombinant hepatitis C viruses (HCVs) and their treatment outcomes have not been well characterized. This study characterized 12 novel HCV recombinant strains and their response to sofosbuvir in combination with ribavirin (SOF/RBV) treatment.

Understanding early serum hepatitis D virus and hepatitis B surface antigen kinetics during pegylated interferon‐alpha therapy via mathematical modeling

Jeremie Guedj, Yaron Rotman, Scott J. Cotler, Christopher Koh, Peter Schmid, Jeff Albrecht, Vanessa Haynes‐Williams, T. Jake Liang, Jay H. Hoofnagle, Theo Heller, Harel Dahari – 7 August 2014 – There is little information on the early kinetics of hepatitis delta virus (HDV) and hepatitis B surface antigen (HBsAg) during interferon‐α therapy. Here a mathematical model was developed and fitted to frequent HDV and HBsAg kinetic data from 10 patients during the first 28 weeks of pegylated‐interferon‐α2a (peg‐IFN) therapy.

Inflammatory cytokines promote the retrodifferentiation of tumor‐derived hepatocyte‐like cells to progenitor cells

Hélène Dubois‐Pot‐Schneider, Karim Fekir, Cédric Coulouarn, Denise Glaise, Caroline Aninat, Kathleen Jarnouen, Rémy Le Guével, Takashi Kubo, Seiichi Ishida, Fabrice Morel, Anne Corlu – 6 August 2014 – Human hepatocellular carcinoma (HCC) heterogeneity promotes recurrence and resistance to therapies. Recent studies have reported that HCC may be derived not only from adult hepatocytes and hepatoblasts but also hepatic stem/progenitors.

Molecular pathophysiology of portal hypertension

Mercedes Fernandez – 5 August 2014 – Over the past two decades the advances in molecular cell biology have led to significant discoveries about the pathophysiology of portal hypertension (PHT). In particular, great progress has been made in the study of the molecular and cellular mechanisms that regulate the increased intrahepatic vascular resistance (IHVR) in cirrhosis. We now know that the increased IHVR is not irreversible, but that both the structural component caused by fibrosis and the active component caused by hepatic sinusoidal constriction can be, at least partially, reversed.

Molecular pathophysiology of portal hypertension

Mercedes Fernandez – 5 August 2014 – Over the past two decades the advances in molecular cell biology have led to significant discoveries about the pathophysiology of portal hypertension (PHT). In particular, great progress has been made in the study of the molecular and cellular mechanisms that regulate the increased intrahepatic vascular resistance (IHVR) in cirrhosis. We now know that the increased IHVR is not irreversible, but that both the structural component caused by fibrosis and the active component caused by hepatic sinusoidal constriction can be, at least partially, reversed.

Impact of quality as well as quantity of skeletal muscle on outcomes after liver transplantation

Yuhei Hamaguchi, Toshimi Kaido, Shinya Okumura, Yasuhiro Fujimoto, Kohei Ogawa, Akira Mori, Ahmed Hammad, Yumiko Tamai, Nobuya Inagaki, Shinji Uemoto – 1 August 2014 – Intramuscular fat accumulation has come to be associated with loss of muscle strength and function, one of the components of sarcopenia. However, the impact of preoperative quality of skeletal muscle on outcomes after living donor liver transplantation (LDLT) is unclear.

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