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Immunogenetic Susceptibility for Post-Schistosomal Hepatic Fibrosis
M. Hafez
M. Hafez
Faculty of Medicine, Mansoura University, Mansoura, Egypt
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S. Aboul Hassan
S. Aboul Hassan
Faculty of Medicine, Mansoura University, Mansoura, Egypt
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H. El-Tahan
H. El-Tahan
Faculty of Medicine, Mansoura University, Mansoura, Egypt
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F. El-Shennawy
F. El-Shennawy
Faculty of Medicine, Mansoura University, Mansoura, Egypt
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M. Khashaba
M. Khashaba
Faculty of Medicine, Mansoura University, Mansoura, Egypt
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Y. Al-Tonbary
Y. Al-Tonbary
Faculty of Medicine, Mansoura University, Mansoura, Egypt
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Z. El-Morsi
Z. El-Morsi
Faculty of Medicine, Mansoura University, Mansoura, Egypt
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Sh. El-Sallab
Sh. El-Sallab
Faculty of Medicine, Mansoura University, Mansoura, Egypt
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I. El-Desoky
I. El-Desoky
Faculty of Medicine, Mansoura University, Mansoura, Egypt
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A. El-Shazly
A. El-Shazly
Faculty of Medicine, Mansoura University, Mansoura, Egypt
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S. Eteba
S. Eteba
Faculty of Medicine, Mansoura University, Mansoura, Egypt
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In 19 children with hepatic fibrosis as the result of continued schistosomiasis mansoni and 20 children without hepatic fibrosis, the following studies were carried out: HLA antigen typing for 30 antigens, immune response of T lymphocytes to schistosome antigen by measuring DNA synthesis evidenced by 3H-thymidine uptake, and measurement of total OKT3+, OKT4+, and OKT8+ cells using monoclonal antibodies. Patients with hepatic fibrosis were mostly high responders in contrast with those without fibrosis. High immune response and susceptibility to post-schistosomal hepatic fibrosis were associated with a high frequency of A2 and B12 antigens and a lack of DR2 antigens, while low response was associated with the presence of the DR2 antigen. The T4+:T8+ ratio showed increased suppressor proportions in patients with low immune response and/or with no hepatic fibrosis. We suggest an immunogenetic susceptibility for post-schistosomal hepatic fibrosis, probably controlled by HLA-linked genes via the suppressor T cells.
| Past two years | Past Year | Past 30 Days | |
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| Abstract Views | 274 | 113 | 2 |
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| PDF Downloads | 13 | 3 | 0 |