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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2004.6
- 수록면
- 85 - 90 (6page)
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Nickel(Ⅱ) compounds are carcinogenic metals which induce genotoxicity and oxidative stress through the generation of reactive oxygen species. In search of new molecular pathways toward understand￢ing the molecular mechanism of nickel(Ⅱ)-induced carcinogensis, we performed mRNA differential display analysis using total RNA extracted from nickel(Ⅱ) acetate-treated normal rat kidney cells (NRK-52E). Cells were exposed for 3 days to 160 and 240 uM nickel(Ⅱ) concentrations. cDNAs corresponding to mRNAs for which expression levels were altered by nickel(Ⅱ) were isolated, sequenced, and followed by a GenBank Blast homology search. Specificity of differential expression of cDNAs was determined by RT-PCR and Western blot analysis. Two of them (SH3BGRL3 and FHIT) were down-regulated and one (metallothionein) was up-regulated by nickel(Ⅱ) treatment. The expression of these mRNAs were nickel(Ⅱ) concentration-dependent. The levels of FHIT and metallothionein proteins were also consistent with the results for mRNAs. Overall, although the fundamental questions related to function of these genes in nickel(Ⅱ)-mediated carcinogenicity are not answered, our study suggests that they can be interesting candidates for studies of molecular mechanisms of nickel(Ⅱ) carcinogenesis.
목차
ABSTRACT
Introduction
Materials and Methods
Results
Discussion
References
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UCI(KEPA) : I410-ECN-0101-2009-476-017705543