Decreased Circulating T Regulatory Cells in Egyptian Patients with Nonsegmental Vitiligo: Correlation with Disease Activity

Figure 1

Frequency of circulating CD4⁺CD25⁺ Tregs and CD4⁺FoxP3⁺ T cells in healthy subjects and nonsegmental vitiligo patients by flow cytometry dot plot. (a) and (b) Representative profiles demonstrating Tregs as the CD4⁺ (R2) and CD4⁺ (R3) T-cell fraction by FACS analysis ((a) in a healthy subject, (b) in a vitiligo patient). (c) and (d) Representative profiles demonstrating Tregs as FoxP3⁺ CD4 T cells ((c) in a healthy subject, (d) in a vitiligo patient).

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