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Neoplasma Vol.63, No.1, p.37-43,2016 |
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Title: In vitro and in vivo antitumor activity of a novel chlorin derivative for photodynamic therapy | ||
Author: C. Y. ZHANG, L. J. ZHANG, J. W. LI, J. H. LI, Z. M. WU, L. X. ZHANG, N. CHEN, Y. J. YAN, Z. L. CHEN | ||
Abstract: In presented paper, a new chlorin derivative 5,10,15,20-tetrakis[(5-N-morpholino)pentyl] chlorin (TMC) was investigated as a photosensitizer in photodynamic therapy (PDT). Cellular uptake, cytotoxicity, intracellular location, biodistribution and antitumor effects were studied using human esophageal cancer cells (Eca-109) and human cervical cancer cells (Hela) in vitro and an esophageal cancer model in BALB/c nude mice. Cellular uptake and biodistribution of TMC were measured by fluorescence spectrophotometer. Cytotoxicity of TMC against Eca-109 and Hela cells was determined by MTT assay. The intracellular location of TMC was detected with a confocal microscopy. It was showed that TMC could rapidly accumulate in tumor cells and localize in cytoplasm. TMC was found to be low-toxic in dark but extensively photosensitive in vitro. A fast clearance rate of TMC was observed in Eca-109-bearing mice. In particular, TMC could significantly inhibit the tumor growth and exhibit a notable antitumor efficacy for PDT in vivo. |
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Keywords: photodynamic therapy, photosensitizer, tumor, chlorin | ||
Published online: 16-Jan-2016 | ||
Year: 2016, Volume: 63, Issue: 1 | Page From: 37, Page To: 43 | |
doi:10.4149/neo_2016_005 |
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