1. Departamento de Bioquímica e Imunologia ICB Universidade Federal de Minas Gerais Av. Antônio Carlos, 6627, Caixa Postal 486 Belo Horizonte 30161‐970 MG Brazil
2. The Wellcome Trust Centre for Molecular Parasitology College of Medical, Veterinary and Life Sciences Institute of Infection, Immunity and Inflammation University of Glasgow Sir Graeme Davies Building, 120 University Place Glasgow G12 8TA UK
3. Coordenação de Pesquisa Instituto Nacional de Câncer Rua André Cavalcanti, 37 Fátima Rio de Janeiro 20231‐050 RJ Brazil
4. Laboratório de Genética Animal Escola de Veterinária Universidade Federal de Minas Gerais Av. Antônio Carlos, 6627, Caixa Postal 486 Belo Horizonte 30161‐970 MG Brazil
5. Department of Pharmacology and Chemical Biology University of Pittsburgh School of Medicine and The University of Pittsburgh Cancer Institute Hillman Cancer Center Pittsburgh PA 15213 USA