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Role of Leishmania (Leishmania) amazonensis amastigote glycosphingolipids in macrophage infectivity BJMBR
Tanaka,A.K.; Gorin,P.A.J.; Takahashi,H.K.; Straus,A.H..
The role of glycosphingolipids (GSLs) present in amastigote forms of Leishmania (Leishmania) amazonensis during infection of macrophages was analyzed, with particular emphasis on GSLs presenting the terminal Galpß1-3Galpa disaccharide. Macrophage invasion by L. (L.) amazonensis amastigotes was reduced by 37% when the disaccharide Galpß1-3Galp (1 mM) was added to the culture medium. The putative macrophage receptor/lectin for ß-Gal-globotriaosylceramide (Galpß1-3Galpa1-4Galpß1-4Glc pß1-1Cer) and other structurally related GSLs from L. (L.) amazonensis amastigotes were analyzed by micelles and parasite binding assay to peritoneal macrophage proteins fractionated by SDS-PAGE under nonreducing conditions. Micelles containing purified amastigote GSLs or a...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Leishmania (Leishmania) amazonensis; Amastigote; Glycosphingolipid; Macrophage binding protein.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2007000600008
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