Abstract
The availability of ZnTSPc as a tumor localizer was studied. ZnTSPc was administered to C3H/He mice via a tail vein (15 mg/kg), and at various intervals the tumor (transplanted MH-134 cells) as well as some organs were removed, and the fluorescence of ZnTSPc was measured. Accumulation of ZnTSPc in the tumor was higher than in other organs except for the liver at 8 hours after administration. Though ZnTSPc was detected in the liver even longer than 50 days after injection, ZnTSPc was not incorporated in the brain.
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