Magnetic resonance elastography predicts advanced fibrosis in patients with nonalcoholic fatty liver disease: A prospective study

Rohit Loomba, Tanya Wolfson, Brandon Ang, Jonathan Hooker, Cynthia Behling, Michael Peterson, Mark Valasek, Grace Lin, David Brenner, Anthony Gamst, Richard Ehman, Claude Sirlin – 8 August 2014 – Retrospective studies have shown that two‐dimensional magnetic resonance elastography (2D‐MRE), a novel MR method for assessment of liver stiffness, correlates with advanced fibrosis in patients with nonalcoholic fatty liver disease (NAFLD). Prospective data on diagnostic accuracy of 2D‐MRE in the detection of advanced fibrosis in NAFLD are needed.

Magnetic resonance elastography predicts advanced fibrosis in patients with nonalcoholic fatty liver disease: A prospective study

Rohit Loomba, Tanya Wolfson, Brandon Ang, Jonathan Hooker, Cynthia Behling, Michael Peterson, Mark Valasek, Grace Lin, David Brenner, Anthony Gamst, Richard Ehman, Claude Sirlin – 8 August 2014 – Retrospective studies have shown that two‐dimensional magnetic resonance elastography (2D‐MRE), a novel MR method for assessment of liver stiffness, correlates with advanced fibrosis in patients with nonalcoholic fatty liver disease (NAFLD). Prospective data on diagnostic accuracy of 2D‐MRE in the detection of advanced fibrosis in NAFLD are needed.

Pretransplant diagnosis of hepatocellular carcinoma by gadoxetic acid–enhanced and diffusion‐weighted magnetic resonance imaging

Jiyoung Hwang, Young Kon Kim, Jong Man Kim, Won Jae Lee, Dongil Choi, Seong Sook Hong – 8 August 2014 – We sought to evaluate the diagnostic performance of gadoxetic acid–enhanced magnetic resonance imaging (MRI) with and without additional diffusion‐weighted imaging (DWI) in the detection of hepatocellular carcinoma (HCC) in pretransplant patients. We included 63 liver transplant patients (54 men and 9 women; mean age = 52 years) who had undergone gadoxetic acid–enhanced MRI with DWI at 3.0 T within 90 days before transplantation.

Genetic ablation of solute carrier family 7a3a leads to hepatic steatosis in zebrafish during fasting

Qilin Gu, Xiaojie Yang, Li Lin, Shaoyang Li, Qing Li, Shan Zhong, Jinrong Peng, Zongbin Cui – 8 August 2014 – Nonalcoholic fatty liver disease (NAFLD) is the most common chronic liver disorder caused by abnormal lipid metabolisms, such as reduced hepatic fatty acid oxidation (FAO), but intracellular control of FAO under physio‐ and pathological conditions remains largely undefined. Here, we demonstrate that deprivation of Slc7a3a leads to hepatic steatosis in fasted zebrafish as a result of defects in arginine‐dependent nitric oxide (NO) synthesis.

Technical standards for hepatitis B virus X protein (HBx) research

Betty L. Slagle, Ourania M. Andrisani, Michael J. Bouchard, Caroline G.L. Lee, J.‐H. James Ou, Aleem Siddiqui – 7 August 2014 – Chronic infection with hepatitis B virus (HBV) is a risk factor for developing hepatocellular carcinoma (HCC). The life cycle of HBV is complex and has been difficult to study because HBV does not infect cultured cells. The HBV regulatory X protein (HBx) controls the level of HBV replication and possesses an HCC cofactor role.

Ischemia time impacts recurrence of hepatocellular carcinoma after liver transplantation

Shunji Nagai, Atsushi Yoshida, Marcelo Facciuto, Dilip Moonka, Marwan S. Abouljoud, Myron E. Schwartz, Sander S. Florman – 7 August 2014 – Although experimental evidence has indicated that ischemia‐reperfusion (I/R) injury of the liver stimulates growth of micrometastases and adhesion of tumor cells, the clinical impact of I/R injury on recurrence of hepatocellular carcinoma (HCC) after liver transplantation (LT) has not been fully investigated.

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.

Technical standards for hepatitis B virus X protein (HBx) research

Betty L. Slagle, Ourania M. Andrisani, Michael J. Bouchard, Caroline G.L. Lee, J.‐H. James Ou, Aleem Siddiqui – 7 August 2014 – Chronic infection with hepatitis B virus (HBV) is a risk factor for developing hepatocellular carcinoma (HCC). The life cycle of HBV is complex and has been difficult to study because HBV does not infect cultured cells. The HBV regulatory X protein (HBx) controls the level of HBV replication and possesses an HCC cofactor role.

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