B lymphocytes limit senescence‐driven fibrosis resolution and favor hepatocarcinogenesis in mouse liver injury

Francesca Faggioli, Eleonora Palagano, Luca Di Tommaso, Matteo Donadon, Veronica Marrella, Camilla Recordati, Stefano Mantero, Anna Villa, Paolo Vezzoni, Barbara Cassani – 3 November 2017 – Hepatocellular carcinoma (HCC) is a frequent neoplasia and a leading cause of inflammation‐related cancer mortality. Despite that most HCCs arise from persistent inflammatory conditions, pathways linking chronic inflammation to cancer development are still incompletely elucidated.

Activin A is a prominent autocrine regulator of hepatocyte growth arrest

Srividyameena Haridoss, Mladen I. Yovchev, Hannah Schweizer, Sabreen Megherhi, Maria Beecher, Joseph Locker, Michael Oertel – 3 November 2017 – Activin A, a multifunctional cytokine, plays an important role in hepatocyte growth suppression and is involved in liver size control. The present study was aimed to determine the cell location of activin A in the normal rat liver microenvironment and the contribution of activin A signaling to the hepatocyte phenotype to obtain insight into molecular mechanisms.

Exenatide induces carcinoembryonic antigen‐related cell adhesion molecule 1 expression to prevent hepatic steatosis

Hilda E. Ghadieh, Harrison T. Muturi, Lucia Russo, Christopher C. Marino, Simona S. Ghanem, Saja S. Khuder, Julie C. Hanna, Sukanta Jash, Vishwajeet Puri, Garrett Heinrich, Cara Gatto‐Weis, Kevin Y. Lee, Sonia M. Najjar – 2 November 2017 – Exenatide, a glucagon‐like peptide‐1 receptor agonist, induces insulin secretion. Its role in insulin clearance has not been adequately examined. Carcinoembryonic antigen‐related cell adhesion molecule 1 (CEACAM1) promotes hepatic insulin clearance to maintain insulin sensitivity.

Combinatorial genetics in liver repopulation and carcinogenesis with a in vivo CRISPR activation platform

Kirk J. Wangensteen, Yue J. Wang, Zhixun Dou, Amber W. Wang, Elham Mosleh‐Shirazi, Max A. Horlbeck, Luke A. Gilbert, Jonathan S. Weissman, Shelley L. Berger, Klaus H. Kaestner – 1 November 2017 – Clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR‐associated 9 activation (CRISPRa) systems have enabled genetic screens in cultured cell lines to discover and characterize drivers and inhibitors of cancer cell growth.

A risk score to predict the development of hepatic encephalopathy in a population‐based cohort of patients with cirrhosis

Elliot B. Tapper, Neehar D. Parikh, Neil Sengupta, Jessica Mellinger, David Ratz, Anna S.‐F. Lok, Grace L. Su – 1 November 2017 – Over 40% of patients with cirrhosis will develop hepatic encephalopathy (HE). HE is associated with decreased survival, falls, motor vehicle accidents, and frequent hospitalization. Accordingly, we aimed to develop a tool to risk‐stratify patients for HE development.

MicroRNA‐21 and Dicer are dispensable for hepatic stellate cell activation and the development of liver fibrosis

Jorge Matias Caviglia, Jun Yan, Myoung‐Kuk Jang, Geum‐Youn Gwak, Silvia Affo, Lexing Yu, Peter Olinga, Richard A. Friedman, Xin Chen, Robert F. Schwabe – 1 November 2017 – Fibrosis and cancer represent two major complications of chronic liver disease. MicroRNAs have been implicated in the development of fibrosis and cancer, thus constituting potential therapeutic targets.

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