Carbohydrates Detection in the Hepatic Egg - Granuloma System Using Lectin Histochemistry

This study aims to evalúate the egg-granuloma system in hepatic tissues using lectin histochemistry in experimental Schistosomiasis. Eight Swiss mice were infected with a local strain of Schistosoma mansoni, being submitted forty days later to a perfusión after which slices of liver (4|J.m) were pre...

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Autores principales: Ribeiro Melo-Júnior,Mario, Bezerra Cavalcanti,Carmelita de Lima, Teles de Pontes-Filho,Nicodemos, Carvalho Jr,Luiz Bezerra de, Carneiro Beltrão,Eduardo Isidoro
Lenguaje:English
Publicado: Sociedad Chilena de Anatomía 2008
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Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000400030
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spelling oai:scielo:S0717-950220080004000302009-05-25Carbohydrates Detection in the Hepatic Egg - Granuloma System Using Lectin HistochemistryRibeiro Melo-Júnior,MarioBezerra Cavalcanti,Carmelita de LimaTeles de Pontes-Filho,NicodemosCarvalho Jr,Luiz Bezerra deCarneiro Beltrão,Eduardo Isidoro Lectins Egg-granuloma system Liver Schistosoma mansoni This study aims to evalúate the egg-granuloma system in hepatic tissues using lectin histochemistry in experimental Schistosomiasis. Eight Swiss mice were infected with a local strain of Schistosoma mansoni, being submitted forty days later to a perfusión after which slices of liver (4|J.m) were prepared. The tissue samples were incubated with the following peroxidase conjugated lectins: Peanut agglutinin (PNA), Wheat Germ agglutinin (WGA), and Concanavalin A (Con A). All lectins recognized the glycoconjugates in the adult worm tegument. In the hepatic tissue, WGA presented the highest staining followed by PNA and Con A. The PNA presented the most intense staining of the egg-granuloma system while WGA stained the hepatic sinusoid cells and Con A bound preferentially the fibrosis rings of granuloma and the surrounding hepatic parenquima. WGA and PNA indicated the presence of residues of N-acetyl-glucosamine and galactose in the surface of Schistosoma mansoni eggs in the hepatic granulomas. In conclusión, using PNA, Con A and WGA our study presented different aspects of the egg-granuloma and Tegument of Schistosoma mansoni as well as indicated differences in the peri-ovular granulomas indicating alterations in the cellular mechanism of expression of surface carbohydrates during progression of the Schistosomiasis.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.26 n.4 20082008-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000400030en10.4067/S0717-95022008000400030
institution Scielo Chile
collection Scielo Chile
language English
topic Lectins
Egg-granuloma system
Liver
Schistosoma mansoni
spellingShingle Lectins
Egg-granuloma system
Liver
Schistosoma mansoni
Ribeiro Melo-Júnior,Mario
Bezerra Cavalcanti,Carmelita de Lima
Teles de Pontes-Filho,Nicodemos
Carvalho Jr,Luiz Bezerra de
Carneiro Beltrão,Eduardo Isidoro
Carbohydrates Detection in the Hepatic Egg - Granuloma System Using Lectin Histochemistry
description This study aims to evalúate the egg-granuloma system in hepatic tissues using lectin histochemistry in experimental Schistosomiasis. Eight Swiss mice were infected with a local strain of Schistosoma mansoni, being submitted forty days later to a perfusión after which slices of liver (4|J.m) were prepared. The tissue samples were incubated with the following peroxidase conjugated lectins: Peanut agglutinin (PNA), Wheat Germ agglutinin (WGA), and Concanavalin A (Con A). All lectins recognized the glycoconjugates in the adult worm tegument. In the hepatic tissue, WGA presented the highest staining followed by PNA and Con A. The PNA presented the most intense staining of the egg-granuloma system while WGA stained the hepatic sinusoid cells and Con A bound preferentially the fibrosis rings of granuloma and the surrounding hepatic parenquima. WGA and PNA indicated the presence of residues of N-acetyl-glucosamine and galactose in the surface of Schistosoma mansoni eggs in the hepatic granulomas. In conclusión, using PNA, Con A and WGA our study presented different aspects of the egg-granuloma and Tegument of Schistosoma mansoni as well as indicated differences in the peri-ovular granulomas indicating alterations in the cellular mechanism of expression of surface carbohydrates during progression of the Schistosomiasis.
author Ribeiro Melo-Júnior,Mario
Bezerra Cavalcanti,Carmelita de Lima
Teles de Pontes-Filho,Nicodemos
Carvalho Jr,Luiz Bezerra de
Carneiro Beltrão,Eduardo Isidoro
author_facet Ribeiro Melo-Júnior,Mario
Bezerra Cavalcanti,Carmelita de Lima
Teles de Pontes-Filho,Nicodemos
Carvalho Jr,Luiz Bezerra de
Carneiro Beltrão,Eduardo Isidoro
author_sort Ribeiro Melo-Júnior,Mario
title Carbohydrates Detection in the Hepatic Egg - Granuloma System Using Lectin Histochemistry
title_short Carbohydrates Detection in the Hepatic Egg - Granuloma System Using Lectin Histochemistry
title_full Carbohydrates Detection in the Hepatic Egg - Granuloma System Using Lectin Histochemistry
title_fullStr Carbohydrates Detection in the Hepatic Egg - Granuloma System Using Lectin Histochemistry
title_full_unstemmed Carbohydrates Detection in the Hepatic Egg - Granuloma System Using Lectin Histochemistry
title_sort carbohydrates detection in the hepatic egg - granuloma system using lectin histochemistry
publisher Sociedad Chilena de Anatomía
publishDate 2008
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000400030
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