Author | Guimarães, Erick Vaz | |
Author | Acquarone, Mariana | |
Author | Carvalho, Laís de | |
Author | Barbosa, Helene Santos | |
Access date | 2017-09-05T13:25:59Z | |
Available date | 2017-09-05T13:25:59Z | |
Document date | 2010 | |
Citation | GUIMARÃES, Eric Vaz; et al. Detection of fibronectin and laminin in Toxoplasma gondii tissue cysts: immunocytochemical assays. Scientia Medica, v.20, n.1, p. 83-87, 2010. | pt_BR |
ISSN | 1806-5562 | pt_BR |
URI | https://www.arca.fiocruz.br/handle/icict/20914 | |
Language | eng | pt_BR |
Publisher | ediPUCRS | pt_BR |
Rights | open access | pt_BR |
Subject in Portuguese | Toxoplasma gondii | pt_BR |
Subject in Portuguese | Citologia | pt_BR |
Subject in Portuguese | Quimíca | pt_BR |
Subject in Portuguese | Glicoproteínas | pt_BR |
Subject in Portuguese | Laminina | pt_BR |
Subject in Portuguese | Fibronectinas | pt_BR |
Subject in Portuguese | Microscopia Eletrônica de Transmissão e Varredura | pt_BR |
Subject in Portuguese | Ensaios imunocitoquímicos | pt_BR |
Title | Detection of fibronectin and laminin in Toxoplasma gondii tissue cysts: immunocytochemical assays | pt_BR |
Alternative title | Detecção de fibronectina e laminina em cistos teciduais de Toxoplasma gondii: ensaios imunocitoquímicos | pt_BR |
Type | Article | pt_BR |
Abstract | Aims: To analyze the existence and distribution of some matrix proteins in tissue cysts of Toxoplasma gondii. Methods: Laminin and fibronectin in tissue cysts of Toxoplasma gondii were detected by confocal microscopy and transmission electron microscopy. Results: Ultrastructural immunocytochemistry showed both glycoproteins in the granular region of tissue cysts, cystic matrix, micronemes, rhoptries, dense granules and rarely at the membrane of bradyzoites of Toxoplasma gondii. Conclusions: The presence of both laminin and fibronectin in secretory organelles and in the apical region of bradyzoites suggests that exocytosis of these glycoproteins can contribute to their interaction with host cells, besides composing the cyst matrix of Toxoplasma gondii. | pt_BR |
Affilliation | Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Rio de Janeiro, RJ. Brasil. | pt_BR |
Affilliation | Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Rio de Janeiro, RJ. Brasil. | pt_BR |
Affilliation | Universidade Federal do Rio de Janeiro. Rio de Janeiro, RJ, Brasil / Universidade do Estado do Ri de Janeiro, Rio de Janeiro, RJ, Brasil | pt_BR |
Affilliation | Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Rio de Janeiro, RJ. Brasil. | pt_BR |
Subject | Toxoplasma gondii/citology | pt_BR |
Subject | YSTS/parasitology | pt_BR |
Subject | Immunocitochemistry | pt_BR |
Subject | Glycoproteins | pt_BR |
Subject | Laminin | pt_BR |
Subject | Fibronectins | pt_BR |
Subject | Microscopy confocal | pt_BR |
Subject | Scanning transmission electron microscopy | pt_BR |
e-ISSN | 1980-6108 | |