In Vitro and In Vivo Studies of a New Class of Anticancer …

There is a compelling need to develop anticancer therapies that target cancer cells and tissues. Arising from innovative femtomedicine studies, a new class of nonplatinum-based halogenated molecules (called FMD molecules) that selectively kill cancer cells and protect normal cells in treatments of multiple cancers has been discovered. This article reports the first observation of the radiosensitizing effects of such compounds in combination with ionizing radiation for targeted radiotherapy of a variety of cancers. We present in vitro and in vivo studies focused on combination with radiotherapy of cervical, ovarian, head and neck, and lung cancers. Our results demonstrate that treatments of various cancer cells in vitro and in vivo mouse xenograft models with such compounds led to enhanced efficiencies in radiotherapy, while the compounds themselves induced no or little radiotoxicity toward normal cells or tissues. These compounds are therefore effective radiosensitizers that can be translated into clinical trials for targeted radiotherapy of multiple types of cancer. This study also shows the potential of femtomedicine to bring breakthroughs in understanding fundamental biologic processes and to accelerate the discovery of novel drugs for effective treatment or prevention of a variety of cancers. Mol Cancer Ther; 15(4); 64050. 2016 AACR.

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In Vitro and In Vivo Studies of a New Class of Anticancer ...