Current eye research · 1997
Abnormal naive and memory T lymphocyte subsets in the peripheral blood of patients with uveitis.
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Ohta K, Norose K, Wang X C, Ito S, Yoshimura N
Аннотация
PURPOSE: To better define the role of lymphocytes in the pathogenesis of uveitis, we studied the expression of memory and naive cell markers on T lymphocytes from peripheral blood.
METHODS: Surface antigens on T lymphocytes obtained from peripheral blood of 27 patients with uveitis, including 12 patients with Behçet's disease (BD), 7 patients with Vogt-Koyanagi-Harada disease (VKH), and 8 patients with idiopathic uveitis (IU), were detected by three-color flow cytometric analysis. Lymphocytes from 14 age-matched healthy control subjects were similarly evaluated.
RESULTS: The percentage of T lymphocytes that were CD4+CD29+ lymphocytes (memory cells) was high in all patients with uveitis, while that of CD4+CD45RA+ lymphocytes (naive cells) was lower in patients with BD and VKH, although the difference was not statistically significant. The percentage of CD29+ cells within CD3+CD4+ cell population was significantly higher in patients with BD and VKH than in the controls (p < 0.01), and the percentage of CD45RA+ cells was significantly lower in BD patients than in controls (p < 0.01). The T lymphocyte subsets in patients with IU were similar to the controls.
CONCLUSIONS: These results show an abnormal distribution of T lymphocytes in patients with uveitis associated with an underlying systemic disease.
METHODS: Surface antigens on T lymphocytes obtained from peripheral blood of 27 patients with uveitis, including 12 patients with Behçet's disease (BD), 7 patients with Vogt-Koyanagi-Harada disease (VKH), and 8 patients with idiopathic uveitis (IU), were detected by three-color flow cytometric analysis. Lymphocytes from 14 age-matched healthy control subjects were similarly evaluated.
RESULTS: The percentage of T lymphocytes that were CD4+CD29+ lymphocytes (memory cells) was high in all patients with uveitis, while that of CD4+CD45RA+ lymphocytes (naive cells) was lower in patients with BD and VKH, although the difference was not statistically significant. The percentage of CD29+ cells within CD3+CD4+ cell population was significantly higher in patients with BD and VKH than in the controls (p < 0.01), and the percentage of CD45RA+ cells was significantly lower in BD patients than in controls (p < 0.01). The T lymphocyte subsets in patients with IU were similar to the controls.
CONCLUSIONS: These results show an abnormal distribution of T lymphocytes in patients with uveitis associated with an underlying systemic disease.