Immunoproteomic Analysis of Potentially Severe Non‐Graft‐Versus‐Host Disease Hepatitis After Allogenic Bone Marrow Transplantation

Elvire Beleoken, Rodolphe Sobesky, Jean‐Pierre Le Caer, François Le Naour, Mylène Sebagh, Nicolas Moniaux, Bruno Roche, Mohammad Zahid Mustafa, Catherine Guettier, Catherine Johanet, Didier Samuel, Jean‐Henri Bouhris, Jean‐Charles Duclos‐Vallee, Eric Ballot – 22 August 2012 – The development of potentially severe non‐graft‐versus‐host disease (GVHD) hepatitis resembling autoimmune hepatitis (AIH) has been reported after bone marrow transplantation (BMT).

Keratin 19 demonstration of canal of hering loss in primary biliary cirrhosis: “Minimal Change PBC”?

Fahad M. Khan, Arathi Rajendra Komarla, Paulo G. Mendoza, Henry C. Bodenheimer, Neil D. Theise – 22 August 2012 – Liver biopsy is important for diagnosing primary biliary cirrhosis (PBC). Prior investigations suggest that immunostaining for biliary keratin 19 (K19) may show the earliest changes suspicious for PBC, namely, loss of the canals of Hering (CoH).

Interferon regulatory factor 3 deficiency leads to interleukin‐17‐mediated liver ischemia‐reperfusion injury

Patrizia Loi, Qing Yuan, David Torres, Sandrine Delbauve, Marie‐Aline Laute, Marie‐Claude Lalmand, Michel Pétein, Stanislas Goriely, Michel Goldman, Véronique Flamand – 22 August 2012 – Interferon regulatory factor 3 (IRF3) is an important transcription factor in Toll‐like receptor 4 (TLR4) signaling, a pathway that is known to play a critical role in liver ischemia‐reperfusion injury. In order to decipher the involvement of IRF3 in this setting, we first compared the intensity of hepatic lesions in IRF3‐deficient versus wildtype mice.

Adoptive transfer of ex vivo expanded regulatory T cells in an autoimmune hepatitis murine model restores peripheral tolerance

Pascal Lapierre, Kathie Béland, Roland Yang, Fernando Alvarez – 22 August 2012 – Autoimmune hepatitis (AIH) is characterized by a loss of immunological tolerance to hepatocytes. Patients respond well to immunosuppression but progression to endstage liver disease occurs in 10%‐20% of cases, leading to liver transplantation. Using a murine model of type 2 AIH, we identified susceptibility factors for autoimmune hepatitis and attempted to restore immunological tolerance to liver autoantigens.

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