Effects of size and surface of zinc oxide and aluminum-doped zinc oxide nanoparticles on cell viability inferred by proteomic analyses

Chih Hong Pan, Wen Te Liu, Mauo Ying Bien, I. Chan Lin, Ta Chih Hsiao, Chih Ming Ma, Ching Huang Lai, Mei Chieh Chen, Kai Jen Chuang, Hsiao Chi Chuang

研究成果: 雜誌貢獻文章

22 引文 (Scopus)

摘要

Although the health effects of zinc oxide nanoparticles (ZnONPs) on the respiratory system have been reported, the fate, potential toxicity, and mechanisms in biological cells of these particles, as related to particle size and surface characteristics, have not been well elucidated. To determine the physicochemical properties of ZnONPs that govern cytotoxicity, we investigated the effects of size, electronic properties, zinc concentration, and pH on cell viability using human alveolar-basal epithelial A549 cells as a model. We observed that a 2-hour or longer exposure to ZnONPs induced changes in cell viability. The alteration in cell viability was associated with the zeta potentials and pH values of the ZnONPs. Proteomic profiling of A549 exposed to ZnONPs for 2 and 4 hours was used to determine the biological mechanisms of ZnONP toxicity. p53-pathway activation was the core mechanism regulating cell viability in response to particle size. Activation of the Wnt and TGFβ signaling pathways was also important in the cellular response to ZnONPs of different sizes. The cadherin and Wnt signaling pathways were important cellular mechanisms triggered by surface differences. These results suggested that the size and surface characteristics of ZnONPs might play an important role in their observed cytotoxicity. This approach facilitates the design of more comprehensive systems for the evaluation of nanoparticles.
原文英語
頁(從 - 到)3631-3643
頁數13
期刊International Journal of Nanomedicine
9
發行號1
DOIs
出版狀態已發佈 - 八月 2 2014

指紋

Zinc Oxide
Zinc oxide
Aluminum
Proteomics
Nanoparticles
Cell Survival
Cells
Wnt Signaling Pathway
Cytotoxicity
Particle Size
Toxicity
Chemical activation
Particle size
Respiratory system
Cadherins
Zeta potential
Electronic properties
Respiratory System
Zinc
Epithelial Cells

ASJC Scopus subject areas

  • Biophysics
  • Bioengineering
  • Biomaterials
  • Organic Chemistry
  • Drug Discovery
  • Medicine(all)

引用此文

Effects of size and surface of zinc oxide and aluminum-doped zinc oxide nanoparticles on cell viability inferred by proteomic analyses. / Pan, Chih Hong; Liu, Wen Te; Bien, Mauo Ying; Lin, I. Chan; Hsiao, Ta Chih; Ma, Chih Ming; Lai, Ching Huang; Chen, Mei Chieh; Chuang, Kai Jen; Chuang, Hsiao Chi.

於: International Journal of Nanomedicine, 卷 9, 編號 1, 02.08.2014, p. 3631-3643.

研究成果: 雜誌貢獻文章

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