Role of CTLA-4 genetic polymorphism in the development of anti-cytochrome P4502E1 auto-antibodies during alcoholic liver disease: Matteo Vidali, Univ of East Piedmont, Novara Italy; Stephen F Stewart, Ctr for Liver Research, Newcastle upon Tyne Uk; Roberta Rolla, Univ of East Piedmont, Novara Italy; Ann K Daly, Yuanneng Chen, Ctr for Liver Research, Newcastle upon Tyne Uk; Elisa Mottaran, Daria Vay, Valentina Cipriani, Univ of East Piedmont, Novara Italy; David E Jones, Julian B Leathart, Christopher P Day, Ctr for Liver Research, Newcastle upon Tyne Uk; Emanuele Albano, Univ of East Piedmont, Novara Italy