Hepatic and peripheral T-lymphocyte patterns in patients with chronic hepatitis C infection: what correlation with histological activity?

The immunopathological processes involved in hepatic damage during chronic hepatitis C infection are not fully understood. Several works suggest the role of T helper 1 (Th1) immune response in both injury and fibrinogenesis. in this study, we have analyzed peripheral and intrahepatic T-lymphocyte su...

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Published in:International journal of immunopathology and pharmacology 2001-05, Vol.14 (2), p.103-108
Main Authors: Perrella, A, Perrella, O, Sbreglia, C, Conca, P, Tarantino, G
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Language:English
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CD4 antigen
CD8 antigen
Hepatitis C virus
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container_title International journal of immunopathology and pharmacology
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creator Perrella, A
Perrella, O
Sbreglia, C
Conca, P
Tarantino, G
description The immunopathological processes involved in hepatic damage during chronic hepatitis C infection are not fully understood. Several works suggest the role of T helper 1 (Th1) immune response in both injury and fibrinogenesis. in this study, we have analyzed peripheral and intrahepatic T-lymphocyte subsets in liver biopsy specimens of 13 patients with definite chronic hepatitis C (CHC) to explore the possible direct role of these patterns in the evolution of necrotic inflammation and fibrogenesis scored according to the Knodell histological activity index. in particular, we have studied CD4+/CD7+ T-lymphocytes, as phenotypic marker of Th1 immune response, CD4+/CD7- as Th2 marker, and CD8+/CD38 as activated CD8+ lymphocytes. on statistical analyses we found a significant negative correlation in liver CD8+/CD38+ T-cells grading (r= -0.607; p
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Several works suggest the role of T helper 1 (Th1) immune response in both injury and fibrinogenesis. in this study, we have analyzed peripheral and intrahepatic T-lymphocyte subsets in liver biopsy specimens of 13 patients with definite chronic hepatitis C (CHC) to explore the possible direct role of these patterns in the evolution of necrotic inflammation and fibrogenesis scored according to the Knodell histological activity index. in particular, we have studied CD4+/CD7+ T-lymphocytes, as phenotypic marker of Th1 immune response, CD4+/CD7- as Th2 marker, and CD8+/CD38 as activated CD8+ lymphocytes. on statistical analyses we found a significant negative correlation in liver CD8+/CD38+ T-cells grading (r= -0.607; p<0.05) and staging index (r= -0.650; p<0.05) and between CD4+/CD7+ and grading (r= -0.626; p<0.05) index. in addition, we found a positive strong correlation between CD38+/CD8+ and CD4+/CD7+ T cells (r= 0.783; p<0.05) in liver tissue and between peripheral and liver resident CD8+/CD38+ (r= 683; p<0.05). moreover, the hepatic CD4+/CD7+ T-cells showed a positive correlation with peripheral CD 8+/CD38+ T-cells (r= 0.676; p<0.05). 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A strong positive correlation was also observed between grading and staging index (r= 0.921; p<0.01). we found no statistical correlation between the above variables and CD4+/CD7- T cells. our data could suggest that a preferential hepatic CD4+/CD7+ OR CD8+/CD38+ T cell subset was not directly associated with hepatic damage but, on the contrary, it could have been able to block liver injury. 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subjects CD4 antigen
CD8 antigen
Hepatitis C virus
title Hepatic and peripheral T-lymphocyte patterns in patients with chronic hepatitis C infection: what correlation with histological activity?
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