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Marcela Lopes

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Chagas' Disease

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Marcela F Lopes; Hugo D Lujan; Dario S Zamboni; Mauricio M Rodrigues
Immunity to protozoan parasites.
Wânia F Pereira; Flávia L Ribeiro-Gomes; Natália S Vellozo; George A DosReis; Landi V C Guillermo; Fabrício Montalvão; Marcela F Lopes
Myeloid-derived suppressor cells help protective immunity to Leishmania major infection despite suppressed T cell responses.
Fabricio Montalvão; Geisy M Almeida; Elisabeth M Silva; Valeria M Borges; Rita Vasconcellos; Christina M Takiya; Marcela F Lopes; Marise P Nunes; George A DosReis
Apoptotic lymphocytes treated with IgG from Trypanosoma cruzi infection increase TNF-alpha secretion and reduce parasite replication in macrophages.

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All Publications

2012: Marcela F Lopes; Hugo D Lujan; Dario S Zamboni; Mauricio M Rodrigues
Immunity to protozoan parasites.
Journal of parasitology research 2012;2012():250793.
2011: Wânia F Pereira; Flávia L Ribeiro-Gomes; Natália S Vellozo; George A DosReis; Landi V C Guillermo; Fabrício Montalvão; Marcela F Lopes
Myeloid-derived suppressor cells help protective immunity to Leishmania major infection despite suppressed T cell responses.
Journal of leukocyte biology 2011;90(6):1191-7.
2010: Fabricio Montalvão; Geisy M Almeida; Elisabeth M Silva; Valeria M Borges; Rita Vasconcellos; Christina M Takiya; Marcela F Lopes; Marise P Nunes; George A DosReis
Apoptotic lymphocytes treated with IgG from Trypanosoma cruzi infection increase TNF-alpha secretion and reduce parasite replication in macrophages.
European journal of immunology 2010;40(2):417-25.
2009: George A DosReis; Marcela F Lopes
The importance of apoptosis for immune regulation in Chagas disease.
Memórias do Instituto Oswaldo Cruz 2009;104 Suppl 1():259-62.
2009: Landi V C Guillermo; Wânia F Pereira; Juliana De Meis; Flávia L Ribeiro-Gomes; Elisabeth M Silva; Karina Kroll-Palhares; Christina M Takiya; Marcela F Lopes
Targeting caspases in intracellular protozoan infections.
Immunopharmacology and immunotoxicology 2009;31(2):159-73.
2008: Wânia F Pereira; Landi V C Guillermo; Flávia L Ribeiro-Gomes; Marcela F Lopes
Inhibition of caspase-8 activity reduces IFN-gamma expression by T cells from Leishmania major infection.
Anais da Academia Brasileira de Ciências 2008;80(1):129-36.
2008: Juliana De Meis; Lidia M S Ferreira; Landi V C Guillermo; Elisabeth M Silva; George A DosReis; Marcela F Lopes
Apoptosis differentially regulates mesenteric and subcutaneous lymph node immune responses to Trypanosoma cruzi.
European journal of immunology 2008;38(1):139-46.
2007: Flávia L Ribeiro-Gomes; Maria Carolina A Moniz-De-Souza; Magna S Alexandre-Moreira; Wagner B Dias; Marcela F Lopes; Marise P Nunes; Giuseppe Lungarella; George A DosReis
Neutrophils activate macrophages for intracellular killing of Leishmania major through recruitment of TLR4 by neutrophil elastase.
Journal of immunology (Baltimore, Md. : 1950) 2007;179(6):3988-94.
2007: Marcela F Lopes; Landi V C Guillermo; Elisabeth M Silva
Decoding caspase signaling in host immunity to the protozoan Trypanosoma cruzi.
Trends in immunology 2007;28(8):366-72.
2007: Landi V C Guillermo; Elisabeth M Silva; Flávia L Ribeiro-Gomes; Juliana De Meis; Wânia F Pereira; Hideo Yagita; George A DosReis; Marcela F Lopes
The Fas death pathway controls coordinated expansions of type 1 CD8 and type 2 CD4 T cells in Trypanosoma cruzi infection.
Journal of leukocyte biology 2007;81(4):942-51.
2007: Elisabeth M Silva; Landi V C Guillermo; Flávia L Ribeiro-Gomes; Juliana De Meis; Marise P Nunes; Juliana F V Senra; Milena B P Soares; George A DosReis; Marcela F Lopes
Caspase inhibition reduces lymphocyte apoptosis and improves host immune responses to Trypanosoma cruzi infection.
European journal of immunology 2007;37(3):738-46.
2007: George A DosReis; Flávia L Ribeiro-Gomes; Landi V C Guillermo; Marcela F Lopes
Cross-talk between apoptosis and cytokines in the regulation of parasitic infection.
Cytokine & growth factor reviews 2007;18(1-2):97-105.
2005: Elisabeth M Silva; Landi V C Guillermo; Flávia L Ribeiro-Gomes; Juliana De Meis; Renata M S Pereira; Zhengqi Wu; Teresa C Calegari-Silva; Sergio H Seabra; Ulisses G Lopes; Richard Siegel; George A DosReis; Marcela F Lopes
Caspase-8 activity prevents type 2 cytokine responses and is required for protective T cell-mediated immunity against Trypanosoma cruzi infection.
Journal of immunology (Baltimore, Md. : 1950) 2005;174(10):6314-21.
2005: George A DosReis; Celio G Freire-De-Lima; Marise P Nunes; Marcela F Lopes
The importance of aberrant T-cell responses in Chagas disease.
Trends in parasitology 2005;21(5):237-43.
2004: Zhengqi Wu; Margaret Roberts; Melissa Porter; Fabianne Walker; E John Wherry; John Kelly; Massimo Gadina; Elisabeth M Silva; George A DosReis; Marcela F Lopes; John O'Shea; Warren J Leonard; Rafi Ahmed; Richard Siegel
Viral FLIP impairs survival of activated T cells and generation of CD8+ T cell memory.
Journal of immunology (Baltimore, Md. : 1950) 2004;172(10):6313-23.
2004: Flávia L Ribeiro-Gomes; Ana C Otero; Nitza A Gomes; Maria Carolina A Moniz-De-Souza; Léa Cysne-Finkelstein; Andrea C Arnholdt; Vera L Calich; Sergio G Coutinho; Marcela F Lopes; George A DosReis
Macrophage interactions with neutrophils regulate Leishmania major infection.
Journal of immunology (Baltimore, Md. : 1950) 2004;172(7):4454-62.
2002: Valeria M Borges; Marcela F Lopes; Haroldo Falcão; José Henrique Leite-Júnior; Patricia R M Rocco; Wendy F Davidson; Rafael Linden; Walter A Zin; George A DosReis
Apoptosis underlies immunopathogenic mechanisms in acute silicosis.
American journal of respiratory cell and molecular biology 2002;27(1):78-84.
2002: Adriane R Todeschini; Marise P Nunes; Rachel S Pires; Marcela F Lopes; José O Previato; Lucia Mendonça-Previato; George A DosReis
Costimulation of host T lymphocytes by a trypanosomal trans-sialidase: involvement of CD43 signaling.
Journal of immunology (Baltimore, Md. : 1950) 2002;168(10):5192-8.
2001: Valeria M Borges; Haroldo Falcão; José Henrique Leite-Júnior; L Alvim; G P Teixeira; M Russo; Alberto Nóbrega; Marcela F Lopes; P M Rocco; Wendy F Davidson; Rafael Linden; Hideo Yagita; Walter A Zin; George A DosReis
Fas ligand triggers pulmonary silicosis.
The Journal of experimental medicine 2001;194(2):155-64.
2000: Marcela F Lopes; Celio G Freire-De-Lima; George A DosReis
The macrophage haunted by cell ghosts: a pathogen grows.
Immunology today 2000;21(10):489-94.
2000: Marcela F Lopes; George A DosReis
Experimental Chagas disease: phagocytosis of apoptotic lymphocytes deactivates macrophages and fuels parasite growth.
Apoptosis : an international journal on programmed cell death 2000;5(3):221-4.
2000: Celio G Freire-De-Lima; D O Nascimento; Milena B P Soares; Patrícia T Bozza; Hugo C Castro-Faria-Neto; Fernando G de Mello; George A DosReis; Marcela F Lopes
Uptake of apoptotic cells drives the growth of a pathogenic trypanosome in macrophages.
Nature 2000;403(6766):199-203.
1999: Marcela F Lopes; Marise P Nunes; Andrea Henriques-Pons; N Giese; Herbert C Morse; Wendy F Davidson; Tania C Araújo-Jorge; George A DosReis
Increased susceptibility of Fas ligand-deficient gld mice to Trypanosoma cruzi infection due to a Th2-biased host immune response.
European journal of immunology 1999;29(1):81-9.
1998: Marise P Nunes; R M Andrade; Marcela F Lopes; George A DosReis
Activation-induced T cell death exacerbates Trypanosoma cruzi replication in macrophages cocultured with CD4+ T lymphocytes from infected hosts.
Journal of immunology (Baltimore, Md. : 1950) 1998;160(3):1313-9.
1996: Marcela F Lopes; George A DosReis
Trypanosoma cruzi-induced immunosuppression: selective triggering of CD4+ T-cell death by the T-cell receptor-CD3 pathway and not by the CD69 or Ly-6 activation pathway.
Infection and immunity 1996;64(5):1559-64.
1995: Marcela F Lopes; Vânia L C Merquior; J M Peralta; Lúcia Martins Teixeira
Partial characterization of the cohemolytic factor produced by Streptococcus uberis and comparison with the CAMP-factor.
FEMS immunology and medical microbiology 1995;12(3-4):205-12.
1995: George A DosReis; M E Fonseca; Marcela F Lopes
Programmed T-cell death in experimental chagas disease.
Parasitology today (Personal ed.) 1995;11(10):391-4.
1995: Marcela F Lopes; George A DosReis
Apoptosis as a cause of T-cell unresponsiveness in experimental Chagas' disease.
Brazilian journal of medical and biological research = Revista brasileira de pesquisas médicas e biológicas / Sociedade Brasileira de Biofísica ... [et al.] 1995;28(8):913-8.
1995: Marcela F Lopes; J M Cunha; F L Bezerra; M S Gonzalez; J E Gomes; José Roberto Lapa e Silva; Eloi S Garcia; G A Dos Reis
Trypanosoma cruzi: both chemically induced and triatomine-derived metacyclic trypomastigotes cause the same immunological disturbances in the infected mammalian host.
Experimental parasitology 1995;80(2):194-204.
1995: Marcela F Lopes; V F da Veiga; A R Santos; M E Fonseca; George A DosReis
Activation-induced CD4+ T cell death by apoptosis in experimental Chagas' disease.
Journal of immunology (Baltimore, Md. : 1950) 1995;154(2):744-52.
1994: Marcela F Lopes; G A dos Reis
Trypanosoma cruzi-induced immunosuppression: blockade of costimulatory T-cell responses in infected hosts due to defective T-cell receptor-CD3 functioning.
Infection and immunity 1994;62(4):1484-8.