Abstract
In this study, the biological potential of a nickel chlorophyll derivative (Ni-PH-A) as a multimodal agent for tumor imaging and photodynamic therapy (PDT) was investigated. Optimum conditions of labeling with 131I were investigated and determined as pH 10 and 1 mg amount of iodogen. Biodistribution results of 131I labeled Ni-PH-A in female rats indicated that radiolabeled Ni-PH-A maximum uptake in the liver, spleen and ovary was observed at 30 min. Intercellular uptake and PDT efficacy of Ni-PH-A were better in MDAH-2774 (human ovarian endometrioid adenocarcinoma) than in MCF-7 (human breast adenocarcinoma) cells. Ni-PH-A might be a promising multimodal agent for lung, ovary and liver tumor imaging and PDT.
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