Synergistic role of nanoceria on the ability of tobacco smoke to induce carcinogenic hallmarks in lung epithelial cells

Nanomedicine
Laura RubioAlba Hernández

Abstract

Since controversial results have been obtained in studies dealing with nanoceria usefulness in biomedical applications, the transforming effects of long-term exposure to nanoceria in lung epithelial cells, alone or together with cigarette smoke condensate (CSC), were evaluated. In vitro cell transformation techniques were used to study several hallmarks of carcinogenesis. Morphology, cell proliferation, gene expression, cell migration, anchorage-independent cell growth and cell secretome were analyzed. Data evidence no transforming ability of nanoceria, but support a synergistic role on CSC's transforming ability. A more noticeable spindle-like phenotype, increased proliferation rate, higher degree of differentiation status dysregulation, higher migration capacity, increased anchorage-independent cell growth and higher levels of MMP-9 and cell growth promoting capability, were observed. In addition, nanoceria co-exposure exacerbates the expression of FRA-1.

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Citations

Oct 16, 2019·Molecular Biology Reports·Xiaoyan JiangSongshu Xiao
Dec 12, 2019·Journal of Toxicology and Environmental Health. Part B, Critical Reviews·Laura RubioAlba Hernández
Feb 16, 2021·Frontiers in Physiology·Zhi TianDiane S Allen-Gipson
Aug 24, 2021·Journal of Controlled Release : Official Journal of the Controlled Release Society·Mohd Aslam SaifiChandraiah Godugu

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