Table 1.

Organ biodistribution of IG3

	Control	2 W-MI	4 W-MI
MI infarct (apex)	0.058 ± 0.039	0.151 ± 0.047†	0.071 ± 0.059
MI border	0.047 ± 0.028	0.110 ± 0.021*	0.056 ± 0.044
MI remote	0.045 ± 0.033	0.108 ± 0.026*	0.055 ± 0.044
Lung	0.094 ± 0.034	0.194 ± 0.055	0.093 ± 0.073
Liver	0.236 ± 0.249	0.519 ± 0.095	0.192 ± 0.198
Spleen	0.079 ± 0.035	0.356 ± 0.041Φ	0.134 ± 0.118
Kidney	0.502 ± 0.101	0.784 ± 0.149	0.693 ± 0.367
Bone	0.057 ± 0.025	0.070 ± 0.013	0.053 ± 0.034
Thyroid	1.126 ± 1.409	1.326 ± 0.298	1.342 ± 0.223
Muscle	0.015 ± 0.004	0.021 ± 0.001	0.022 ± 0.013

Data are presented as %ID/g (mean ± SD) 4 h after injection.

%ID/g, percent injected dose per gram; MI, myocardial infarction; 2 W-MI, myocardial infarction 2 weeks old; 4 W-MI, myocardial infarction 4 weeks old.

*p < 0.05 control vs. 2 W-MI rats.

^† p < 0.01 control vs. 2 W-MI rats.

^Φ p = 0.0571 2 W-MI vs. control and 2 W-MI vs. 4 W-MI rats.