Immature myeloid cells induced by a high‐fat diet contribute to liver inflammation

Zhong‐bin Deng, Yuelong Liu, Cunren Liu, Xiaoyu Xiang, Jianhua Wang, Ziqiang Cheng, Spandan V. Shah, Shuangyin Zhang, Liming Zhang, Xiaoying Zhuang, Sue Michalek, William E. Grizzle, Huang‐Ge Zhang – 29 October 2009 – Chronic inflammation plays a critical role in promoting obesity‐related disorders, such as fatty liver disease. The inflammatory cells that mediate these effects remain unknown. This study investigated the accumulation of immature myeloid cells in the liver and their role in liver inflammation.

Nuclear factor erythroid 2–related factor 2 is a positive regulator of human bile salt export pump expression

Jittima Weerachayaphorn, Shi‐Ying Cai, Carol J. Soroka, James L. Boyer – 29 October 2009 – The bile salt export pump (BSEP) is the major determinant of bile salt–dependent bile secretion, and its deficiency leads to cholestatic liver injury. BSEP/Bsep gene expression is regulated by the nuclear farnesoid X receptor. However, BSEP expression, though reduced, is retained in the livers of Fxr−/− mice, indicating that additional transcriptional factors may regulate its expression.

Radiofrequency ablation of hepatocellular carcinoma: Long‐term results and prognostic factors in 235 Western patients with cirrhosis

Gisèle N'Kontchou, Amel Mahamoudi, Mounir Aout, Nathalie Ganne‐Carrié, Véronique Grando, Emmanuelle Coderc, Eric Vicaut, Jean Claude Trinchet, Nicolas Sellier, Michel Beaugrand, Olivier Seror – 29 October 2009 – For the treatment of small hepatocellular carcinoma (HCC), radiofrequency ablation (RFA) is in some centers considered a first‐line therapeutic option. However, such a strategy is still under debate with regard to tumor and patient characteristics.

Nitric oxide suppresses transforming growth factor‐β1–induced epithelial‐to‐mesenchymal transition and apoptosis in mouse hepatocytes

Xinchao Pan, Xunde Wang, Weiwei Lei, Lihua Min, Yanan Yang, Xin Wang, Jianguo Song – 29 October 2009 – Nitric oxide (NO) is a multifunctional regulator that is implicated in various physiological and pathological processes. Here we report that administration of NO donor S‐nitroso‐N‐acetylpenicillamine (SNAP) inhibited transforming growth factor‐β1 (TGF‐β1)‐induced epithelial‐to‐mesenchymal transition (EMT) and apoptosis in mouse hepatocytes.

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