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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/21617

Title: The Role of protein kinases in antigen-activation of peripheral blood mononuclear cells of Schistosoma mansoni infected individuals
Issue Date: 31-Dec-1997
Publisher: Fundação Oswaldo Cruz, Fiocruz
Citation: Memórias do Instituto Oswaldo Cruz (ISSN: 1678-8060) Vol 92 Num 5
Abstract: Mem Inst Oswaldo Cruz, Rio de Janeiro, Vol. 92(5), September/October 1997, pp. 613-617 The Role of protein kinases in antigen-activation of peripheral blood mononuclear cells of Schistosoma mansoni infected individuals Celia A Almeida, Alfredo M Goes Code Number:OC97115 Sizes of Files: Text: 22.3K Graphics: Line drawings and photographs (jpg) - 121.4K T cell recognition of antigens displayed on the surface of antigen presenting cell results in rapid activation of protein tyrosine kinases and kinase C. This process leads to second messengers, such as inositol phosphates and diacylgycerol, and phosphorylation of multiple proteins. The role of different protein kinases in the activation of peripheral blood mononuclear cells (PBMC) from Schistosoma mansoni infected individuals was evaluated using genistein and H-7, specific inhibitors of protein tyrosine kinase and kinase C, respectively. Our results showed that proliferation in response to soluble egg antigen or adult worm antigen preparation of S. mansoni was reduced when PBMC were cultured in presence of protein kinase inhibitors. Using these inhibitors on in vitro granuloma reaction, we also observed a marked reduction of granuloma index. Taken together, our results suggest that S. mansoni antigen activation of PBMC involves protein kinases activity. Key words: schistosomiasis - T cell activation - protein tyrosine kinase - protein kinase C Copyright 1997 Fundacao Oswaldo Cruz
URI: http://hdl.handle.net/1807/21617
Other Identifiers: http://www.bioline.org.br/abstract?id=oc97115
Rights: Copyright 1997 Fundação Oswaldo Cruz, Fiocruz
Appears in Collections:Bioline International Legacy Collection

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