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  • Title: [CD4+CD25+high regulatory T cells in patients with autoimmune hepatitis].
    Author: Li M, Zhuge HX, Zhu CW, Xu P, Iuo XR, Ye JZ, Zhu W, Qian F, Wang HY.
    Journal: Zhonghua Shi Yan He Lin Chuang Bing Du Xue Za Zhi; 2007 Dec; 21(4):337-9. PubMed ID: 18322595.
    Abstract:
    OBJECTIVE: To investigate the role of CD4+CD25+high regulatory T cells in the pathogenesis of autoimmune hepatitis. METHODS: CD4+CD25+ high regulatory T cells and CD4+ T cells were measured by using flow cytometry in 16 patients with autoimmune hepatitis, 22 patients with chronic hepatitis B and 20 healthy blood donors. Foxp3 protein was detected by immunohistochemical assay in liver tissues from the patients with autoimmune hepatitis or chronic hepatitis B. RESULTS: The percentage of CD4+CD25+high/CD4+ in patients with autoimmune hepatitis was significantly lower than that in healthy controls and patients with chronic hepatitis B. Meanwhile, the percentage of CD4+CD25+high/CD4+ highly increased in patients with chronic hepatitis B, compared with healthy controls; Foxp3 positive cells were mostly located in the hepatic lobular perisinusoidal spaces and the portal tract, and there was a significant difference in the quantity of Foxp3 positive cells between patients with autoimmune hepatitis and chronic hepatitis B. CONCLUSION: Patients with autoimmune hepatitis harbor a decreased percentage of CD4+CD25+ high regulatory T cells, which may be associated with development of autoimmunity.
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