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Tae Hun Kim 1 Article
Frequency of Intrahepatic FoxP3+ Regulatory T cells during the Natural Course of Chronic Hepatitis B: An Immunohistochemical Study Using Needle-Biopsied Liver Tissue.
Ji Yoon Bae, Hyung Kyung Kim, Hanna Kang, Ha Rin Cheong, Dong Eun Song, Sun Hee Sung, Heasoo Koo, Woon Sup Han, Jeong Kyong Lee, Tae Hun Kim, Kyu Won Chung, Min Sun Cho
Korean J Pathol. 2010;44(2):132-140.
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AbstractAbstract PDF
Regulatory T cells (Tregs) may contribute to the immunological hyporesponsiveness against hepatitis B virus (HBV), and this can result in chronic infection. Tregs suppress the T cell responses directed against HBV and they protect hepatocytes by down-regulating the immune responses that cause liver damage, but the role of Tregs has not been well characterized.
Fifty four patients were selected and classified into three groups (12 were in the immune-tolerance phase, 35 were in the immune-clearance phase and 7 were in the asymptomatic virus carrier phase). We examined the frequency of CD3+, CD4+ & CD8+ T cells and forkhead box P3 (FoxP3)+ Tregs in the needle-biopsied liver tissue by performing immunohistochemistry.
The FoxP3+ Tregs were mainly located at the portal tracts. In the immune-clearance phase, the frequency of FoxP3+ Tregs was significantly increased compared to that of the immune-tolerance group and the asymptomatic carrier group. Increased FoxP3+ T cells were observed in the patients with a higher histologic inflammatory index. No correlation was observed among the numbers of FoxP3+ Tregs, the serum alanine aminotransferase level, detection of HBeAg and the HBV-DNA viral load.
FoxP3+ Tregs may play important roles in suppressing the immune response to HBV and the complete elimination of HBV.


Citations to this article as recorded by  
  • Significance of Foxp3 Positive Regulatory T Cell and Tumor Infiltrating T Lymphocyte in Triple Negative Breast Cancer
    Hanna Kang, Harin Cheong, Min Sun Cho, Heasoo Koo, Woon Sup Han, Kyung Eun Lee, Byung In Moon, Sun Hee Sung
    The Korean Journal of Pathology.2011; 45(1): 53.     CrossRef

JPTM : Journal of Pathology and Translational Medicine