Thrombocytosis in liver transplant recipients: Prevalence, natural history, and impact

Avnish K. Seth, Bridget K. Gunson, Darius F. Mirza, Geoffrey Haydon – 29 October 2007 – The prevalence, natural history, and implications of reactive thrombocytosis after liver transplantation (LT) are unknown. Prospectively collected data from July 2000 to February 2006 were analyzed. Post–LT thrombocytosis was defined as a platelet count of >450 × 103/μL lasting for >7 days and starting within 8 weeks of transplantation.

Glycine N‐methyltransferase−/− mice develop chronic hepatitis and glycogen storage disease in the liver

Shih‐Ping Liu, Ying‐Shiuan Li, Yann‐Jang Chen, En‐Pei Chiang, Anna Fen‐Yau Li, Ying‐Hue Lee, Ting‐Fen Tsai, Michael Hsiao, Shiu‐Feng Hwang, Yi‐Ming Arthur Chen – 29 October 2007 – Glycine N‐methyltransferase (GNMT) affects genetic stability by regulating DNA methylation and interacting with environmental carcinogens. To establish a Gnmt knockout mouse model, 2 lambda phage clones containing a mouse Gnmt genome were isolated.

Apoptotic hepatocyte DNA inhibits hepatic stellate cell chemotaxis via toll‐like receptor 9

Azuma Watanabe, Ardeshir Hashmi, Dawidson Assis Gomes, Terrence Town, Abdallah Badou, Richard Anthony Flavell, Wajahat Zafar Mehal – 29 October 2007 – Apoptosis of hepatocytes results in the development of liver fibrosis, but the molecular signals mediating this are poorly understood. Degradation and modification of nuclear DNA is a central feature of apoptosis, and DNA from apoptotic mammalian cells is known to activate immune cells via Toll‐like receptor 9 (TLR9). We tested if DNA from apoptotic hepatocytes can induce hepatic stellate cell (HSC) differentiation.

Sinusoidal endothelial cell repopulation following ischemia/reperfusion injury in rat liver transplantation

Donna Beer Stolz, Mark A. Ross, Atsushi Ikeda, Koji Tomiyama, Takashi Kaizu, David A. Geller, Noriko Murase – 29 October 2007 – We evaluated the kinetics by which rat liver sinusoidal endothelial cells (LSECs) are repopulated in the reperfused transplanted liver after 18 hours of cold ischemic storage. We found that the majority of LSECs in livers cold‐stored for 18 hours in University of Wisconsin solution are seriously compromised and often are retracted before transplantation.

Corticosteroid‐free immunosuppression with daclizumab in HCV+ liver transplant recipients: 1‐year interim results of the HCV‐3 study

Goran B.G. Klintmalm, W. Kenneth Washburn, Steven M. Rudich, Thomas G. Heffron, Lewis W. Teperman, Carlos Fasola, Devin E. Eckhoff, George J. Netto, Eliezer Katz – 29 October 2007 – This work is a 1‐yr interim analysis of a prospective, randomized, multicenter trial evaluating the effect of corticosteroid‐free immunosuppression on hepatitis C virus–positive (HCV+) liver transplant recipients following liver transplantation (LT).

Impact of the MELD score on waiting time and disease severity in liver transplantation in United States veterans

Jawad Ahmad, Kathy K. Downey, Mohamed Akoad, Thomas V. Cacciarelli – 29 October 2007 – Organ allocation for liver transplantation (LT) in the United States is based on the Model for End‐Stage Liver Disease (MELD) score. The MELD score prioritizes organ distribution to sicker patients. There is limited data on the effect of this policy on transplantation in the Veterans Affairs (VA) healthcare system. The aim of this study was to determine the impact of the MELD score on U.S. veteran patients undergoing LT.

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