Table 1.

Mean percentage of lineage-labeled ciliated cells ± SE in different regions of the airways after a pulse of tamoxifen and varying length chase period

Time	Trachea	Bronchioles	Terminal Bronchioles
3 days	72.1%±3.2% (n = 1,684 ciliated cells, N = 7 mice)	62.5%±4% (n = 2,184 ciliated cells, N = 7 mice)	64.0%±3.5% (n = 1,615 ciliated cells, N = 7 mice)
3 mo	45.0%±5.6% (n = 1,124 ciliated cells, N = 5 mice)	53.1%±4.5% (n = 1,273 ciliated cells, N = 5 mice)	60.1%±2.9% (n = 951 ciliated cells, N = 5 mice)
7 mo	22.1%±6.8% (n = 1,316 ciliated cells, N = 3 mice)	42.2%±2.1% (n = 1,118 ciliated cells, N = 3 mice)	39.0%±1% (n = 816 ciliated cells, N = 3 mice)
12 mo	12.5%±2.1% (n = 1,176 ciliated cells, N = 3 mice)	34%±1.5% (n = 978 ciliated cells, N = 3 mice)	38.5%±4.3% (n = 601 ciliated cells, N = 3 mice)
18 mo	9.4%±2.9% (n = 2,029 ciliated cells, N = 3 mice)	31%±0.6% (n = 1,553 ciliated cells, N = 3 mice)	26.7%±3.6% (n = 975 ciliated cells, N = 3 mice)