Table 2. Tissue AUC0–7 (day*%ID/mL) for anti-gD variants.
Variant | Label | Plasma | Lungs | Liver | Kidney | Heart | Spleen | Stomach | Large Intestine |
Small Intestine |
Brain | Muscle | Skin |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
IgG1 WT |
125I | 164 ± 5.38 | 21.5 ± 1.20 | 15.5 ± 0.575 | 15.4 ± 2.14 | 15.5 ± 0.692 | 14.6 ± 0.340 | 8.01 ± 0.425 | 7.09 ± 0.591 | 6.36 ± 0.268 | 1.55 ± 0.0900 | 5.43 ± 0.0946 | 21.5 ± 1.53 |
111In | 182 ± 2.76 | 28.3 ± 1.34 | 37.2 ± 1.60 | 32.1 ± 2.45 | 18.5 ± 0.758 | 31.6 ± 2.00 | 9.79 ± 0.575 | 10.1 ± 0.649 | 9.16 ± 0.502 | 2.09 ± 0.0923 | 6.85 ± 0.243 | 26.6 ± 1.15 | |
IgG1 FcRn+ |
125I | 169 ± 14.0 | 22.8 ± 3.30 | 22.1 ± 1.30* | 16.1 ± 2.10 | 16.3 ± 1.25 | 18.8 ± 1.32* | 8.18 ± 0.401 | 6.92 ± 0.636 | 6.55 ± 0.626 | 2.00 ± 0.122* | 5.72 ± 0.353 | 25.2 ± 1.82 |
111In | 182 ± 9.97 | 28.3 ± 2.85 | 37.8 ± 1.48 | 31.2 ± 2.02 | 18.3 ± 1.09 | 38.1 ± 1.95* | 9.63 ± 0.323 | 10.0 ± 0.628 | 9.35 ± 0.971 | 2.59 ± 0.139* | 6.67 ± 0.449* | 30.7 ± 1.26* | |
IgG1 FcRn- |
125I | 43.1 ± 1.16* | 6.63 ± 0.500* | 3.77 ± 0.220* | 5.46 ± 0.131* | 4.46 ± 0.407* | 4.60 ± 0.544* | 3.63 ± 0.100* | 1.76 ± 0.132* | 2.00 ± 0.104* | 0.58 ± 0.0485* | 1.52 ± 0.124* | 5.89 ± 0.490* |
111In | 94.5 ± 1.46* | 17.8 ± 0.821* | 60.0 ± 2.41* | 25.6 ± 1.02* | 16.8 ± 0.923 | 53.3 ± 7.16* | 7.58 ± 0.278* | 11.1 ± 1.00 | 10.7 ± 0.598* | 1.30 ± 0.121* | 4.01 ± 0.423* | 22.6 ± 3.41 |
Significant (P < 0.05) differences by unpaired t test are indicated by asterisks and are relative to IgG WT for the corresponding radionuclide.