Expression of Tn, sialosyl-Tn and T antigens in human foetal large intestine

Tn, sialosyl-Tn and T antigens are simple mucintype carbohydrate antigens that may be expressed in human neoplasies due to alteration of the glycoprotein biosynthetic pathway. Utilising specific monoclonal antibodies (HB-Tn1, HB-STn1 and HB-T1), we have investigated the expression of these simple mu...

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Main Authors: G Barresi, G Tuccari, G Giuffrè, E Vitarelli, M Grosso
Format: Article
Language:English
Published: PAGEPress Publications 2009-12-01
Series:European Journal of Histochemistry
Online Access:http://ejh.pagepress.org/index.php/ejh/article/view/1600
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author G Barresi
G Tuccari
G Giuffrè
E Vitarelli
M Grosso
author_facet G Barresi
G Tuccari
G Giuffrè
E Vitarelli
M Grosso
author_sort G Barresi
collection DOAJ
description Tn, sialosyl-Tn and T antigens are simple mucintype carbohydrate antigens that may be expressed in human neoplasies due to alteration of the glycoprotein biosynthetic pathway. Utilising specific monoclonal antibodies (HB-Tn1, HB-STn1 and HB-T1), we have investigated the expression of these simple mucin-type carbohydrate antigens in large intestine of 8 human foetuses at early gestational age (9-10 weeks), obtained after therapeutic abortion. In all cases the expression of Tn antigen was mainly localised as a thin rim at the cell membrane and occasionally in the supranuclear region of epithelial cells, while sialosyl-Tn antigen was documented in some goblet cell vacuoles and occasionally in the cytoplasm of columnar cells. T antigen was not expressed in any case. These results indicate that Tn and sialosyl-Tn antigens are expressed as early as nine weeks of gestation, further supporting the notion that they may be considered as oncodevelopmental cancerassociated antigens in the large intestine.
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spelling doaj.art-3fb911d298e243979045f71361e9bb512022-12-22T03:00:32ZengPAGEPress PublicationsEuropean Journal of Histochemistry1121-760X2038-83062009-12-014443596310.4081/1600Expression of Tn, sialosyl-Tn and T antigens in human foetal large intestineG BarresiG TuccariG GiuffrèE VitarelliM GrossoTn, sialosyl-Tn and T antigens are simple mucintype carbohydrate antigens that may be expressed in human neoplasies due to alteration of the glycoprotein biosynthetic pathway. Utilising specific monoclonal antibodies (HB-Tn1, HB-STn1 and HB-T1), we have investigated the expression of these simple mucin-type carbohydrate antigens in large intestine of 8 human foetuses at early gestational age (9-10 weeks), obtained after therapeutic abortion. In all cases the expression of Tn antigen was mainly localised as a thin rim at the cell membrane and occasionally in the supranuclear region of epithelial cells, while sialosyl-Tn antigen was documented in some goblet cell vacuoles and occasionally in the cytoplasm of columnar cells. T antigen was not expressed in any case. These results indicate that Tn and sialosyl-Tn antigens are expressed as early as nine weeks of gestation, further supporting the notion that they may be considered as oncodevelopmental cancerassociated antigens in the large intestine.http://ejh.pagepress.org/index.php/ejh/article/view/1600
spellingShingle G Barresi
G Tuccari
G Giuffrè
E Vitarelli
M Grosso
Expression of Tn, sialosyl-Tn and T antigens in human foetal large intestine
European Journal of Histochemistry
title Expression of Tn, sialosyl-Tn and T antigens in human foetal large intestine
title_full Expression of Tn, sialosyl-Tn and T antigens in human foetal large intestine
title_fullStr Expression of Tn, sialosyl-Tn and T antigens in human foetal large intestine
title_full_unstemmed Expression of Tn, sialosyl-Tn and T antigens in human foetal large intestine
title_short Expression of Tn, sialosyl-Tn and T antigens in human foetal large intestine
title_sort expression of tn sialosyl tn and t antigens in human foetal large intestine
url http://ejh.pagepress.org/index.php/ejh/article/view/1600
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