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氯化镍亚慢性染毒大鼠肺组织脂质过氧化与抑癌基因表达的相关性研究 被引量:1

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摘要 目的探讨不同浓度氯化镍染毒大鼠肺组织脂质过氧化和抑癌基因p15、p16表达水平以及二者之间的相关性。方法以0、1、2、4和8 mg/kg体重灌胃染毒大鼠,持续6周。染毒结束后处死大鼠,制备肺组织匀浆,采用分光光度法,测定超氧化物歧化酶(SOD)和丙二醛(MDA)水平的变化;以荧光定量PCR法检测肺组织中抑癌基因p15和p16的表达水平。结果随着氯化镍染毒剂量的增加,SOD活性下降,MDA含量增多,且各染毒组与对照组相比差异有统计学意义(P<0.01)。除1 mg/kg体重组p16 mRNA表达量与对照组相比差异无统计学意义外,其他各组p15和p16mRNA表达量与对照组相比均显著性降低(P<0.01)。经pearson相关分析,p15、p16与SOD表达显著性正相关,而与MDA则为显著负相关(P<0.05)。结论氯化镍亚慢性染毒大鼠肺组织脂质过氧化水平与抑癌基因p15和p16表达具有一定的相关性。
出处 《毒理学杂志》 CAS CSCD 北大核心 2011年第4期296-297,300,共3页 Journal of Toxicology
基金 山西省青年科技研究基金资助项目(2009021044-1) 山西省高等学校优秀青年学术带头人支持计划资助
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  • 2张敬,张军,石红军,李卓权,郭超,郭俊生.茶多酚对染镍细胞脂质过氧化及DNA损伤的影响[J].食品科学,2004,25(9):166-169. 被引量:2
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