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LEF1 activity in the human embryonic prostate. Sections of the human embryonic UGS at 8 wk of gestational age (GA) (A–C), 12-wk GA (D–F), and 34-wk GA (G–J) were immunolabeled for LEF1 (A and inset, D and inset, G, and I), AR (B and inset, E and inset, H, and J), and p63 (C and F). Dorsal side is up. IgG negative control is included as insets in I and J. Scale bars: 100 μm (all panels), 50 μm (insets in A, B, D, and E).
