Comparative Biodistribution of [18F]Galacto-RGD and (c(RGDfE)HEG)2-K-Dpr-[18F]FBOA in M21 and M21L Melanoma-Bearing Nude Mice 60 and 120 Minutes After Injection
Biodistribution | [18F]Galacto-RGD (M21) | [18F]Galacto-RGD (M21L) | (c(RGDfE)HEG)2-K-Dpr-[18F]FBOA | ||||||
---|---|---|---|---|---|---|---|---|---|
60 min | 120 min | 60 min | 120 min | 60 min | 120 min | ||||
Blood | 0.18 ± 0.06 | 0.05 ± 0.01 | 0.26 ± 0.06 | 0.13 ± 0.07 | 0.35 ± 0.05 | 0.13 ± 0.07 | |||
Serum | 0.34 ± 0.11 | 0.09 ± 0.01 | 0.49 ± 0.11 | 0.22 ± 0.10 | 0.51 ± 0.06 | 0.15 ± 0.07 | |||
Liver | 1.85 ± 0.39 | 1.25 ± 0.05 | 2.07 ± 0.20 | 1.79 ± 0.58 | 0.36 ± 0.03 | 0.16 ± 0.07 | |||
Intestine | 0.57 ± 0.04 | 3.53 ± 0.44 | 0.70 ± 0.19 | 0.76 ± 0.27 | 0.83 ± 0.28 | 0.60 ± 0.12 | |||
Kidney | 1.86 ± 0.10 | 1.52 ± 0.10 | 2.24 ± 0.21 | 1.86 ± 0.46 | 1.72 ± 0.18 | 0.70 ± 0.32 | |||
Spleen | 0.69 ± 0.10 | 0.64 ± 0.09 | 0.77 ± 0.02 | 0.73 ± 0.14 | 0.37 ± 0.02 | 0.13 ± 0.03 | |||
Heart | 0.28 ± 0.05 | 0.19 ± 0.04 | 0.34 ± 0.02 | 0.29 ± 0.06 | 0.37 ± 0.05 | 0.16 ± 0.06 | |||
Muscle | 0.21 ± 0.02 | 0.15 ± 0.02 | 0.21 ± 0.03 | 0.18 ± 0.03 | 0.26 ± 0.13 | 0.11 ± 0.04 | |||
Lung | 0.76 ± 0.09 | 0.53 ± 0.05 | 0.83 ± 0.08 | 0.71 ± 0.24 | 0.85 ± 0.04 | 0.35 ± 0.10 | |||
Femur | 0.34 ± 0.05 | 0.33 ± 0.02 | 0.44 ± 0.06 | 0.50 ± 0.10 | 0.38 ± 0.11 | 0.17 ± 0.07 | |||
M21 | 1.56 ± 0.15 | 1.49 ± 0.10 | — | — | 2.48 ± 0.15 | 1.63 ± 0.13 | |||
M21L | — | — | 0.42 ± 0.09 | 0.44 ± 0.24 | 0.55 ± 0.02 | 0.29 ± 0.07 |
Data are given in %ID/g tissue and are mean ± SD (n = 3–5). [18F]Galacto-RGD data are from (20