AASLD clinical practice guidelines: A critical review of scientific evidence and evolving recommendations

Christopher Koh, Xiongce Zhao, Niharika Samala, Sasan Sakiani, T. Jake Liang, Jayant A. Talwalkar – 14 June 2013 – The American Association for the Study of Liver Diseases (AASLD) practice guidelines provide recommendations in diagnosing and managing patients with liver disease from available scientific evidence in combination with expert consensus opinions. The aim was to systematically review the evolution of recommendations from AASLD guidelines and identify gaps limiting the evidence‐based foundations of these guidelines.

Elevated body mass index as a causal risk factor for symptomatic gallstone disease: A Mendelian randomization study

Stefan Stender, Børge G. Nordestgaard, Anne Tybjærg‐Hansen – 14 June 2013 – Elevated body mass index (BMI) is associated with an increased risk of gallstone disease. Whether this reflects a causal association is unknown. Using a Mendelian randomization approach, we studied 77,679 individuals from the general population. Of these, 4,106 developed symptomatic gallstone disease during up to 34 years of follow‐up. Subjects were genotyped for three common variants known to associate with BMI: FTO(rs9939609); MC4R(rs17782313); and TMEM18(rs6548238).

Paracrine signals from liver sinusoidal endothelium regulate hepatitis C virus replication

Ian A. Rowe, Sukhdeep K. Galsinh, Garrick K. Wilson, Richard Parker, Sarah Durant, Catalin Lazar, Norica Branza‐Nichita, Roy Bicknell, David H. Adams, Peter Balfe, Jane A. McKeating – 14 June 2013 – Hepatitis C virus (HCV) is a major cause of global morbidity, causing chronic liver injury that can progress to cirrhosis and hepatocellular carcinoma. The liver is a large and complex organ containing multiple cell types, including hepatocytes, sinusoidal endothelial cells (LSEC), Kupffer cells, and biliary epithelial cells.

Human serum leads to differentiation of human hepatoma cells, restoration of very‐low‐density lipoprotein secretion, and a 1000‐fold increase in HCV Japanese fulminant hepatitis type 1 titers

Rineke H.G. Steenbergen, Michael A. Joyce, Bradley S. Thomas, Daniel Jones, John Law, Rodney Russell, Michael Houghton, D. Lorne Tyrrell – 14 June 2013 – In this study, we differentiated the human hepatoma cell line Huh7.5 by supplementing tissue culture media with human serum (HS) and examined the production of hepatitis C virus (HCV) by these cells. We compared the standard tissue culture protocol, using media supplemented with 10% fetal bovine serum (FBS), to media supplemented with 2% HS.

Detection of anti‐isoniazid and anti–cytochrome P450 antibodies in patients with isoniazid‐induced liver failure

Imir G. Metushi, Corron Sanders, The Acute Liver Study Group, William M. Lee, Jack Uetrecht – 14 June 2013 – Isoniazid (INH)‐induced hepatotoxicity remains one of the most common causes of drug‐induced idiosyncratic liver injury and liver failure. This form of liver injury is not believed to be immune‐mediated because it is not usually associated with fever or rash, does not recur more rapidly on rechallenge, and previous studies have failed to identify anti‐INH antibodies (Abs). In this study, we found Abs present in sera of 15 of 19 cases of INH‐induced liver failure.

Paracrine signals from liver sinusoidal endothelium regulate hepatitis C virus replication

Ian A. Rowe, Sukhdeep K. Galsinh, Garrick K. Wilson, Richard Parker, Sarah Durant, Catalin Lazar, Norica Branza‐Nichita, Roy Bicknell, David H. Adams, Peter Balfe, Jane A. McKeating – 14 June 2013 – Hepatitis C virus (HCV) is a major cause of global morbidity, causing chronic liver injury that can progress to cirrhosis and hepatocellular carcinoma. The liver is a large and complex organ containing multiple cell types, including hepatocytes, sinusoidal endothelial cells (LSEC), Kupffer cells, and biliary epithelial cells.

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