TABLE 1

Uptake (% Dose kg/100 g) of 18F-FCH in Tissues of Tumor-Bearing and Control Mice (male BALB/c nu/nu)

TissuePC-3MCF7 60 min (n = 5)Control
10 min (n = 5)30 min (n = 3)60 min (n = 5)60 min (n = 5)10 h (n = 6)
Tumor3.6 ± 0.67.1 ± 2.17.9 ± 5.04.3 ± 1.5
Blood2.7 ± 0.93.3 ± 0.21.5 ± 0.62.3 ± 0.51.1 ± 0.31.5 ± 0.4
Heart15.5 ± 5.913.2 ± 2.612.7 ± 3.217.2 ± 2.518.0 ± 8.023.5 ± 5.1
Brain0.8 ± 0.31.0 ± 0.20.8 ± 0.11.3 ± 0.41.4 ± 0.61.7 ± 0.4
Lung18.0 ± 5.317.1 ± 1.421 ± 4.422.5 ± 2.830.2 ± 10.928.6 ± 5.8
Liver50.7 ± 15.356.7 ± 13.258.4 ± 40.637.8 ± 13.024.5 ± 13.426.6 ± 9.8
Kidney127.7 ± 27.6116 ± 17.094.3 ± 31.099.2 ± 25.475.6 ± 25.790.6 ± 17.5
Skeletal muscle4.4 ± 1.81.1 ± 1.04.1 ± 0.64.1 ± 0.92.2 ± 1.02.9 ± 1.0