Institute of Organic Intermediate Products and Stains

Moscow, Russia

Institute of Organic Intermediate Products and Stains

Moscow, Russia

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Pankratov A.A.,P A Hertzen Moscow Oncological Institute | Andreeva T.N.,P A Hertzen Moscow Oncological Institute | Yakubovskaya R.I.,P A Hertzen Moscow Oncological Institute | Kogan B.Y.,Institute of Organic Intermediate Products and Stains | And 7 more authors.
Bulletin of Experimental Biology and Medicine | Year: 2014

Nanoparticles of aluminum and zinc phthalocyanin and metal-free phthalocyanin (AlPc, ZnPc, and H2Pc), whose molecular forms are photosensitizers, can serve as effective “prophotosensitizers” in photodynamic therapy for malignant tumors. Transition (stimulation) of photo-inert nanoparticles into a photoactive photosensitizer is realized locally in the tumor node by its exposure to potent laser pulses. Systemic injection of AlPc, ZnPc, and H2Pc nanoparticles has not led to accumulation of their photoactive form in the skin, which can lead to the development of skin phototoxicity. Effective protocols of photodynamic therapy with ZnPc nanoparticles are determined. The use of these protocols in mice with S-37 sarcoma led to 92-70% tumor growth inhibition, 48% improvement of survival, and cure in 84% cases. © 2014, Springer Science+Business Media New York.

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