Mechanoregulation of titanium dioxide nanoparticles in cancer therapy.

Author(s) Raja, G.; Cao, S.; Kim, D.H.; Kim, T.J.
Journal Mater Sci Eng C Mater Biol Appl
Date Published 2020 Feb

Titanium dioxide (TiO) nanoparticles (NPs), first developed in the 1990s, have been applied in numerous biomedical fields such as tissue engineering and therapeutic drug development. In recent years, TiO-based drug delivery systems have demonstrated the ability to decrease the risk of tumorigenesis and improve cancer therapy. There is increasing research on the origin and effects of pristine and doped TiO-based nanotherapeutic drugs. However, the detailed molecular mechanisms by which drug delivery to cancer cells alters sensing of gene mutations, protein degradation, and metabolite changes as well as its associated cumulative effects that determine the microenvironmental mechanosensitive metabolism have not yet been clearly elucidated. This review focuses on the microenvironmental influence of TiO-NPs induced various mechanical stimuli on tumor cells. The differential expression of genome, proteome, and metabolome after treatment with TiO-NPs is summarized and discussed. In the tumor microenvironment, mechanosensitive DNA mutations, gene delivery, protein degradation, inflammatory responses, and cell viability affected by the mechanical stimuli of TiO-NPs are also examined.

DOI 10.1016/j.msec.2019.110303
ISSN 1873-0191
Citation Mater Sci Eng C Mater Biol Appl. 2020;107:110303.

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