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    Evaluation of photodynamic therapy and nuclear imaging potential of subphthalocyanine integrated TiO 2 nanoparticles in mammary and cervical tumor cells
    (World Scientific Publishing Co. Pte Ltd, 2019) Yurt, Fatma; Ocakoglu, Kasim; Er, Ozge; Soylu, Hale Melis; Ince, Mine; Avci, Clglr Biray; Kurt, Cansu Caliskan
    This study, subphthalocyanines (SubPc) and SubPc integrated TiO2 nanoparticles (SubPc-TiO2) were synthesized as novel photosensitizers. Their PDT effects were evaluated. Furthermore, nuclear imaging potential of 131I-labelled SubPc/SubPc-TiO2 were examined in mouse mammary carcinoma (EMT6) and cervix adenocarcinoma (HeLa) cell lines. The uptake results show that SubPc labelled with 131I radionuclide (131I-SubPc) in EMT6 and HeLa cell lines was found to be approximately the same as in the WI38 cell line. However, the uptake values of SubPc-TiO2 labelled with 131I (131I-SubPc-TiO2) in EMT6 and HeLa cell lines were determined to be two times higher than in the WI38 cell line. In other words, the target/non-target tissue ratio was identified as two in the EMT6 and HeLa cell lines. 131I-SubPc-TiO2 is promising for imaging or treatment of breast and cervix tumors. In vitro photodynamic therapy studies have shown that SubPc and SubPc-TiO2 are suitable agents for PDT. In addition, SubPc-TiO2 has higher phototoxicity than SubPc. As a future study, in vivo experiments will be held and performed in tumor-bearing nude mice. © 2019 World Scientific Publishing Company.
  • [ X ]
    Öğe
    Evaluation of photodynamic therapy and nuclear imaging potential of subphthalocyanine integrated TiO2 nanoparticles in mammary and cervical tumor cells
    (World Sci Publ Co Inc, 2019) Yurt, Fatma; Ocakoglu, Kasim; Er, Ozge; Soylu, Hale Melis; Ince, Mine; Avci, Cigir Biray; Kurt, Cansu Caliskan
    This study, subphthalocyanines (SubPc) and SubPc integrated TiO2 nanoparticles (SubPc-TiO2) were synthesized as novel photosensitizers. Their PDT effects were evaluated. Furthermore, nuclear imaging potential of I-131-labelled SubPc/SubPc-TiO2 were examined in mouse mammary carcinoma (EMT6) and cervix adenocarcinoma (HeLa) cell lines. The uptake results show that SubPc labelled with I-131 radionuclide ((131) I-SubPc) in EMT6 and HeLa cell lines was found to be approximately the same as in the WI38 cell line. However, the uptake values of SubPc-TiO2 labelled with I-131(I-131-SubPc- TiO2) in EMT6 and HeLa cell lines were determined to be two times higher than in the WI38 cell line. In other words, the target/non-target tissue ratio was identified as two in the EMT6 and HeLa cell lines. I-131-SubPc-TiO2 is promising for imaging or treatment of breast and cervix tumors. In vitro photodynamic therapy studies have shown that SubPc and SubPc-TiO2 are suitable agents for PDT. In addition, SubPc-TiO2 has higher phototoxicity than SubPc. As a future study, in vivo experiments will be held and performed in tumor-bearing nude mice.