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Figure S4. Depletion of Foxp3⁺ cells in neonate DEREG mice results in a scurfy-like phenotype. Sections of formalin-fixed organs from scurfy mice and DEREG or WT mice injected with DT (on days 1 and 7 after birth) were analyzed on day 21 and stained for CD3 (red) on a background of hematoxylin and eosin staining. Bar, 100 µm.