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  • 1.
    Lagopati, Nefeli
    et al.
    Laboratory of Histology-Embryology, Molecular Carcinogenesis Group, Medical School, National and Kapodistrian University of Athens, Athens, Greece; Laboratory of General Chemistry, School of Chemical Engineering, National Technical University of Athens, Zografou Campus, Athens, Greece; Biomedical Research Foundation Academy of Athens, Athens, Greece.
    Kotsinas, Athanassios
    Laboratory of Histology-Embryology, Molecular Carcinogenesis Group, Medical School, National and Kapodistrian University of Athens, Athens, Greece.
    Veroutis, Dimitris
    Laboratory of Histology-Embryology, Molecular Carcinogenesis Group, Medical School, National and Kapodistrian University of Athens, Athens, Greece; Biomedical Research Foundation Academy of Athens, Athens, Greece.
    Evangelou, Konstantinos
    Laboratory of Histology-Embryology, Molecular Carcinogenesis Group, Medical School, National and Kapodistrian University of Athens, Athens, Greece.
    Papaspyropoulos, Angelos
    Laboratory of Histology-Embryology, Molecular Carcinogenesis Group, Medical School, National and Kapodistrian University of Athens, Athens, Greece; Biomedical Research Foundation Academy of Athens, Athens, Greece.
    Arfanis, Michalis
    Institute of Nanoscience and Nanotechnology, Laboratory of Nanotechnology Processes for Solar Energy Conversion and Environmental Protection, National Centre for Scientific Research "Demokritos", Athens, Greece.
    Falaras, Polycarpos
    Institute of Nanoscience and Nanotechnology, Laboratory of Nanotechnology Processes for Solar Energy Conversion and Environmental Protection, National Centre for Scientific Research "Demokritos", Athens, Greece.
    Kitsiou, Paraskevi V.
    Institute of Biosciences and Applications, Laboratory of Biochemistry/Cell & Matrix Pathobiology, National Centre for Scientific Research "Demokritos", Athens, Greece.
    Pateras, Ioannis
    Laboratory of Histology-Embryology, Molecular Carcinogenesis Group, Medical School, National and Kapodistrian University of Athens, Athens, Greece.
    Bergonzini, Anna
    Umeå University, Faculty of Medicine, Umeå Centre for Microbial Research (UCMR). Umeå University, Faculty of Medicine, Department of Molecular Biology (Faculty of Medicine). Umeå University, Faculty of Science and Technology, Department of Molecular Biology (Faculty of Science and Technology).
    Frisan, Teresa
    Umeå University, Faculty of Science and Technology, Department of Molecular Biology (Faculty of Science and Technology). Umeå University, Faculty of Medicine, Umeå Centre for Microbial Research (UCMR).
    Kyriazis, Spyridon
    Laboratory of Histology-Embryology, Molecular Carcinogenesis Group, Medical School, National and Kapodistrian University of Athens, Athens, Greece.
    Tsoukleris, Dimitrios S.
    Laboratory of General Chemistry, School of Chemical Engineering, National Technical University of Athens, Zografou Campus, Athens, Greece; NanoViis Company, Athens, Greece.
    Tsilibary, Effie-Photini C
    Department of Neuroscience, University of Minnesota, MN, Minneapolis, United States.
    Gazouli, Maria
    Department of Basic Medical Sciences, Laboratory of Biology, Faculty of Medicine, School of Health Science, National and Kapodistrian University of Athens, Athens, Greece.
    Pavlatou, Evangelia A.
    Laboratory of General Chemistry, School of Chemical Engineering, National Technical University of Athens, Zografou Campus, Athens, Greece; vgorg@med.uoa.gr pavlatou@chemeng.ntua.gr.
    Gorgoulis, Vassilis G.
    Biomedical Research Foundation Academy of Athens, Athens, Greece; Laboratory of Histology-Embryology, Molecular Carcinogenesis Group, Medical School, National and Kapodistrian University of Athens, Athens, Greece; vgorg@med.uoa.gr pavlatou@chemeng.ntua.gr; Faculty of Biology, Medicine and Health Manchester Cancer Research Centre, Manchester Academic Health Sciences Centre, University of Manchester, Manchester, United Kingdom; Center for New Biotechnologies and Precision Medicine, Medical School, National and Kapodistrian University of Athens, Athens, Greece.
    Biological Effect of Silver-modified Nanostructured Titanium Dioxide in Cancer2021In: Cancer Genomics & Proteomics, ISSN 1109-6535, E-ISSN 1790-6245, Vol. 18, no 3, p. 425-439Article in journal (Refereed)
    Abstract [en]

    BACKGROUND/AIM: Nanomedicine is a promising scientific field that exploits the unique properties of innovative nanomaterials, providing alternative solutions in diagnostics, prevention and therapeutics. Titanium dioxide nanoparticles (TiO2 NPs) have a great spectrum of photocatalytic antibacterial and anticancer applications. The chemical modification of TiO2 optimizes its bioactive performance. The aim of this study was the development of silver modified NPs (Ag/TiO2 NPs) with anticancer potential.

    MATERIALS AND METHODS: Ag/TiO2 NPs were prepared through the sol-gel method, were fully characterized and were tested on cultured breast cancer epithelial cells (MCF-7 and MDA-MB-231). The MTT colorimetric assay was used to estimate cellular viability. Western blot analysis of protein expression along with a DNA-laddering assay were employed for apoptosis detection.

    RESULTS AND CONCLUSION: We show that photo-activated Ag/TiO2 NPs exhibited significant cytotoxicity on the highly malignant MDA-MB-231 cancer cells, inducing apoptosis, while MCF-7 cells that are characterized by low invasive properties were unaffected under the same conditions.

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