Table 2. Biodistribution (%ID/g) of the Six Radiolabeled Cysteine Derivatized NO2A-cyspHLIP Derivatives in 4T1 Allografted Female BALB/c Mice at 4 h p.i.
tissue | 64Cu-NO2A-cysWT (n = 4) | 64Cu-NO2A-cysVar3 (n = 5) | 64Cu-NO2A-cysVar7 (n = 4) | 18F-AlF-NO2A-cysWT (n = 4) | 18F-AlF-NO2A-cysVar3 (n = 10) | 18F-AlF-NO2A-cysVar7 (n = 4) |
---|---|---|---|---|---|---|
blood | 17.6 ± 0.86 | 15.4 ± 1.76 | 2.31 ± 0.18 | 15.9 ± 0.63 | 20.8 ± 1.88 | 1.64 ± 0.18 |
heart | 5.52 ± 0.15 | 5.12 ± 0.63 | 2.68 ± 0.33 | 4.78 ± 0.53 | 6.29 ± 1.03 | 0.89 ± 0.12 |
lungs | 12.3 ± 1.55 | 14.7 ± 0.93 | 4.21 ± 0.23 | 8.73 ± 0.84 | 11.8 ± 3.79 | 1.66 ± 0.07 |
liver | 21.9 ± 0.64 | 10.4 ± 0.63 | 15.6 ± 1.58 | 12.6 ± 11.4 | 9.06 ± 1.24 | 2.90 ± 0.18 |
spleen | 7.07 ± 0.44 | 3.45 ± 0.35 | 3.31 ± 0.24 | 5.31 ± 0.34 | 3.73 ± 0.66 | 1.19 ± 0.10 |
pancreas | 3.00 ± 0.08 | 2.31 ± 0.25 | 1.84 ± 0.10 | 2.10 ± 0.43 | 2.44 ± 0.20 | 0.49 ± 0.03 |
stomach | 1.82 ± 0.13 | 1.27 ± 0.35 | 3.33 ± 0.31 | 1.31 ± 0.96 | 1.29 ± 0.62 | 0.68 ± 0.10 |
s. intestine | 4.56 ± 0.26 | 2.68 ± 0.24 | 6.37 ± 0.11 | 2.85 ± 0.31 | 2.06 ± 0.28 | 0.91 ± 0.03 |
l. intestine | 4.09 ± 0.34 | 2.99 ± 0.20 | 8.19 ± 0.85 | 1.47 ± 0.14 | 2.07 ± 0.63 | 0.91 ± 0.12 |
kidneys | 40.6 ± 4.04 | 24.0 ± 2.78 | 95.5 ± 11.9 | 59.1 ± 3.63 | 34.3 ± 6.91 | 246 ± 25.6 |
muscle | 1.15 ± 0.08 | 1.10 ± 0.15 | 0.64 ± 0.07 | 1.23 ± 0.17 | 1.55 ± 0.27 | 0.35 ± 0.06 |
bone | 3.04 ± 0.11 | 1.10 ± 0.14 | 1.57 ± 0.18 | 1.94 ± 0.45 | 1.66 ± 0.61 | 0.60 ± 0.12 |
skin | 3.23 ± 0.12 | 3.43 ± 0.34 | 2.59 ± 0.05 | 2.85 ± 0.22 | 2.92 ± 0.71 | 1.59 ± 0.10 |
brain | 0.62 ± 0.06 | 0.35 ± 0.07 | 0.25 ± 0.02 | 0.34 ± 0.06 | 0.52 ± 0.14 | 0.05 ± 0.01 |
tumor | 11.7 ± 1.71 | 8.21 ± 0.86 | 9.07 ± 1.81 | 8.16 ± 0.53 | 10.6 ± 2.26 | 8.61 ± 1.21 |