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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2011.1
- 수록면
- 107 - 114 (8page)
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초록· 키워드
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A proteomic analysis of the proteins in mouse brain that were differentially expressed in response to $TiO_2$ nanoparticles was conducted to better understand the molecular mechanism of $TiO_2$ nanoparticle-induced brain toxicity at the protein level. A total of 990 proteins from mouse brain were resolved by two-dimensional gel electrophoresis. A comparative proteomic analysis revealed that the expression levels of 11 proteins were changed by more than 2-fold in response to $TiO_2$ nanoparticles: eight proteins were upregulated and three were downregulated by $TiO_2$ nanoparticles. In addition, the activities of several antioxidative enzymes and acetylcholine esterase were reduced in $TiO_2$ nanoparticle-exposed mouse brain. The protein profile alterations seem to be due to an indirect effect of $TiO_2$ nanoparticles, because $TiO_2$ nanoparticles were not detected in the brain in this investigation.
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