High prevalence of vitamin A deficiency and vitamin D deficiency in patients evaluated for liver transplantation

Mukund Venu, Eric Martin, Kia Saeian, Samer Gawrieh – 14 March 2013 – Deficiencies in vitamins A, D, and E have been linked to night blindness, bone health, and post–liver transplant reperfusion injury. The aim of this study was to determine the prevalence and predictive factors of fat‐soluble vitamin deficiencies in liver transplant candidates. We reviewed the medical records of liver transplant candidates at our center from January 2008 to September 2011.

Management and long‐term consequences of portal vein thrombosis after liver transplantation in children

M. Kyle Jensen, Kathleen M. Campbell, Maria H. Alonso, Jaimie D. Nathan, Frederick C. Ryckman, Greg M. Tiao – 11 March 2013 – Portal vein thrombosis (PVT) occurs in ≤12% of pediatric recipients of liver transplantation (LT). Known complications of PVT include portal hypertension, allograft loss, and mortality. The management of PVT is varied. A single‐center, case‐control study of pediatric LT recipients with portal vein (PV) changes after LT was performed.

Genome‐wide screening reveals that miR‐195 targets the TNF‐α/NF‐κB pathway by down‐regulating IκB kinase alpha and TAB3 in hepatocellular carcinoma

Jie Ding, Shenglin Huang, Ying Wang, Qi Tian, Ruopeng Zha, Haibing Shi, Qifeng Wang, Chao Ge, Taoyang Chen, Yingjun Zhao, Linhui Liang, Jinjun Li, Xianghuo He – 11 March 2013 – Nuclear factor kappa B (NF‐κB) is an important factor linking inflammation and tumorigenesis. In this study we experimentally demonstrated through a high‐throughput luciferase reporter screen that NF‐κB signaling can be directly targeted by nearly 29 microRNAs (miRNAs). Many of these miRNAs can directly target NF‐κB signaling nodes by binding to their 3′ untranslated region (UTR).

Long noncoding RNAs associated with liver regeneration 1 accelerates hepatocyte proliferation during liver regeneration by activating Wnt/β‐Catenin signaling

Dan Xu, Fu Yang, Ji‐hang Yuan, Ling Zhang, Hai‐shan Bi, Chuan‐chuan Zhou, Feng Liu, Fang Wang, Shu‐han Sun – 11 March 2013 – In recent years, long noncoding RNAs (lncRNAs) have been investigated as a new class of regulators of biological function. A recent study reported that lncRNAs control cell proliferation in hepatocellular carcinoma (HCC). However, the role of lncRNAs in liver regeneration and the overall mechanisms remain largely unknown.

Development, management, and resolution of biliary complications after living and deceased donor liver transplantation: A report from the adult‐to‐adult living donor liver transplantation cohort study consortium

Michael A. Zimmerman, Talia Baker, Nathan P. Goodrich, Chris Freise, Johnny C. Hong, Sean Kumer, Peter Abt, Adrian H. Cotterell, Benjamin Samstein, James E. Everhart, Robert M. Merion – 11 March 2013 – Adult recipients of living donor liver transplantation (LDLT) have a higher incidence of biliary complications than recipients of deceased donor liver transplantation (DDLT). Our objective was to define the intensity of the interventions and the time to resolution after the diagnosis of biliary complications after liver transplantation.

Hepatitis B virus inhibits liver regeneration via epigenetic regulation of urokinase‐type plasminogen activator

Eun‐Sook Park, Yong Kwang Park, Chan Young Shin, Seung Hwa Park, Sung Hyun Ahn, Doo Hyun Kim, Keo‐Heun Lim, So Young Kwon, Kwang Pyo Kim, Sung‐Il Yang, Baik L. Seong, Kyun‐Hwan Kim – 8 March 2013 – Liver regeneration after liver damage caused by toxins and pathogens is critical for liver homeostasis. Retardation of liver proliferation was reported in hepatitis B virus (HBV) X protein (HBx)‐transgenic mice. However, the underlying mechanism of the HBx‐mediated disturbance of liver regeneration is unknown.

Genetic predisposition and environmental danger signals initiate chronic autoimmune hepatitis driven by CD4+ T cells

Matthias Hardtke‐Wolenski, Katja Fischer, Fatih Noyan, Jerome Schlue, Christine S. Falk, Maike Stahlhut, Norman Woller, Florian Kuehnel, Richard Taubert, Michael P. Manns, Elmar Jaeckel – 8 March 2013 – Autoimmune hepatitis (AIH) is defined as a chronic liver disease with loss of tolerance against liver tissue eventually leading to cirrhosis if left untreated. 80%‐90% of patients can be treated with a life‐long immunosuppression. Unfortunately, there are strong drug‐related side effects and steroid‐refractory patients.

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