Fig. 5. BrdU labeling index in the lens epithelial wholemounts at successive times after BrdU injection. Seven-day-old wild-type or A^–/– mice were injected with BrdU and wholemounts were fixed at successive times after the BrdU injection. The BrdU labeling index was determined at 1, 3, 8, 16 and 24 hours, and 2, 3 and 5 days after the BrdU injection. Four lenses were used at each time point. Note that the labeling index of the A^–/– wholemount lagged the labeling index of the wild-type between 16 hours and 5 days.

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