Low‐dose steroids associated with milder histological changes after pediatric liver transplantation

Silja Kosola, Hanna Lampela, Hannu Jalanko, Heikki Mäkisalo, Jouko Lohi, Johanna Arola, Mikko P. Pakarinen – 29 October 2012 – Controversy remains about the role of protocol liver biopsy for symptom‐free recipients and about the long‐term use of low‐dose steroids after pediatric liver transplantation (LT). We conducted a national cross‐sectional study of pediatric recipients who underwent LT between 1987 and 2007.

Center competition and outcomes following liver transplantation

Jeffrey B. Halldorson, Harry J. Paarsch, Jennifer L. Dodge, Alberto M. Segre, Jennifer Lai, John Paul Roberts – 19 October 2012 – In the United States, livers for transplantation are distributed within donation service areas (DSAs). In DSAs with multiple transplant centers, competition among centers for organs and recipients may affect recipient selection and outcomes in comparison with DSAs with only 1 center. The objective of this study was to determine whether competition within a DSA is associated with posttransplant outcomes and variations in patients wait‐listed within the DSA.

Osteopontin promoter polymorphisms at locus ‐443 significantly affect the metastasis and prognosis of human hepatocellular carcinoma

Qiong‐Zhu Dong, Xiao‐Fei Zhang, Yue Zhao, Hu‐Liang Jia, Hai‐Jun Zhou, Chun Dai, Hai‐Jing Sun, Yi Qin, Wei‐De Zhang, Ning Ren, Qing‐Hai Ye, Lun‐Xiu Qin – 18 October 2012 – Osteopontin (OPN) plays a crucial role in hepatocellular carcinoma (HCC) metastasis. However, little is known about the impact of OPN polymorphisms on cancer progression. In this study, we first identified the single nucleotide polymorphisms (SNPs) in the OPN promoter region by direct sequencing in 30 HCCs, and then evaluated the prognostic values of the selected ones in two large cohorts of 826 HCC patients.

Contribution of mature hepatocytes to small hepatocyte‐like progenitor cells in retrorsine‐exposed rats with chimeric livers

Ya‐Hui Chen, Mei‐Hwei Chang, Chin‐Sung Chien, Shang‐Hsin Wu, Chun‐Hsien Yu, Hui‐Ling Chen – 18 October 2012 – The potential lineage relationship between hepatic oval cells, small hepatocyte‐like progenitor cells (SHPCs), and hepatocytes in liver regeneration is debated. To test whether mature hepatocytes can give rise to SHPCs, rats with dipeptidyl peptidase IV (DPPIV) chimeric livers, which harbored endogenous DPPIV‐deficient hepatocytes and transplanted DPPIV‐positive hepatocytes, were subjected to retrorsine treatment followed by partial hepatectomy (PH).

The postbinding activity of scavenger receptor class B type I mediates initiation of hepatitis C virus infection and viral dissemination

Muhammad N. Zahid, Marine Turek, Fei Xiao, Viet Loan Dao Thi, Maryse Guérin, Isabel Fofana, Philippe Bachellier, John Thompson, Leen Delang, Johan Neyts, Dorothea Bankwitz, Thomas Pietschmann, Marlène Dreux, François‐Loïc Cosset, Fritz Grunert, Thomas F. Baumert, Mirjam B. Zeisel – 18 October 2012 – Scavenger receptor class B type I (SR‐BI) is a high‐density lipoprotein (HDL) receptor highly expressed in the liver and modulating HDL metabolism.

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