Biodistribution and toxicity of spherical aluminum oxide nanoparticles

Eun Jung Park, Gwang Hee Lee, Cheolho Yoon, Uiseok Jeong, Younghun Kim, Myung Haing Cho, Dong-Wan Kim

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

With the rapid development of the nano-industry, concerns about their potential adverse health effects have been raised. Thus, ranking accurately their toxicity and prioritizing for in vivo testing through in vitro toxicity test is needed. In this study, we used three types of synthesized aluminum oxide nanoparticles (AlONPs): γ-aluminum oxide hydroxide nanoparticles (γ-AlOHNPs), γ- and α-AlONPs. All three AlONPs were spherical, and the surface area was the greatest for γ-AlONPs, followed by the α-AlONPs and γ-AlOHNPs. In mice, γ-AlOHNPs accumulated the most 24 h after a single oral dose. Additionally, the decreased number of white blood cells (WBC), the increased ratio of neutrophils and the enhanced secretion of interleukin (IL)-8 were observed in the blood of mice dosed with γ-AlOHNPs (10 mg kg-1). We also compared their toxicity using four different in vitro test methods using six cell lines, which were derived from their potential target organs, BEAS-2B (lung), Chang (liver), HACAT (skin), H9C2 (heart), T98G (brain) and HEK-293 (kidney). The results showed γ-AlOHNPs induced the greatest toxicity. Moreover, separation of particles was observed in a transmission electron microscope (TEM) image of cells treated with γ-AlOHNPs, but not γ-AlONPs or α-AlONPs. In conclusion, our results suggest that the accumulation and toxicity of AlONPs are stronger in γ-AlOHNPs compared with γ-AlONPs and α-AlONPs owing their low stability within biological system, and the presence of hydroxyl group may be an important factor in determining the distribution and toxicity of spherical AlONPs.

Original languageEnglish
Pages (from-to)424-433
Number of pages10
JournalJournal of Applied Toxicology
Volume36
Issue number3
DOIs
Publication statusPublished - 2016 Mar 1

Fingerprint

Aluminum Oxide
Nanoparticles
Toxicity
Blood
Cells
Toxicity Tests
Biological systems
Interleukin-8
Hydroxyl Radical
Liver
Brain
Skin
Industry
Neutrophils
Leukocytes
Electron microscopes
Health
Electrons

Keywords

  • Aluminum oxide hydroxide nanoparticles
  • Aluminum oxide nanoparticles
  • Distribution
  • Toxicity
  • Toxicity screening

ASJC Scopus subject areas

  • Toxicology

Cite this

Biodistribution and toxicity of spherical aluminum oxide nanoparticles. / Park, Eun Jung; Lee, Gwang Hee; Yoon, Cheolho; Jeong, Uiseok; Kim, Younghun; Cho, Myung Haing; Kim, Dong-Wan.

In: Journal of Applied Toxicology, Vol. 36, No. 3, 01.03.2016, p. 424-433.

Research output: Contribution to journalArticle

Park, EJ, Lee, GH, Yoon, C, Jeong, U, Kim, Y, Cho, MH & Kim, D-W 2016, 'Biodistribution and toxicity of spherical aluminum oxide nanoparticles', Journal of Applied Toxicology, vol. 36, no. 3, pp. 424-433. https://doi.org/10.1002/jat.3233
Park, Eun Jung ; Lee, Gwang Hee ; Yoon, Cheolho ; Jeong, Uiseok ; Kim, Younghun ; Cho, Myung Haing ; Kim, Dong-Wan. / Biodistribution and toxicity of spherical aluminum oxide nanoparticles. In: Journal of Applied Toxicology. 2016 ; Vol. 36, No. 3. pp. 424-433.
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