利用代谢组学研究大气细颗粒物的生殖毒性效应
大气细颗粒物（PM2.5）污染已成为严峻的环境问题,探究PM2.5的毒性效应和机理变得尤为重要。本研究利用基于液相色谱/质谱的代谢组学技术,分析经PM2.5悬混液气管滴注暴露后成年雄性大鼠睾丸代谢组的全局变化,采用偏最小二乘判别分析法和非参数检验进行统计分析。结果表明,PM2.5暴露组大鼠睾丸的油提和水提代谢指纹谱均可与对照组实现准确区分,表明PM2.5暴露对大鼠睾丸的整体代谢网络产生了显著影响,最终鉴定出56个差异代谢物。通路分析显示,PM2.5暴露会引起大鼠睾丸的氨基酸和核苷酸代谢紊乱、类固醇激素代谢失衡以及脂类代谢异常,而这些重要通路可能是PM2.5生殖毒性的关键分子事件。...
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| Published in | 分析化学 Vol. 45; no. 5; pp. 633 - 640 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
上海市功能性材料化学重点实验室,华东理工大学化学与分子工程学院,上海 200237
2017
华北理工大学公共卫生学院,唐山 063000 中国科学院城市环境研究所,厦门 361021 中国科学院宁波城市环境观测研究站,宁波 315800%华北理工大学公共卫生学院,唐山,063000%上海市功能性材料化学重点实验室,华东理工大学化学与分子工程学院,上海 200237%中国科学院城市环境研究所,厦门,361021%中国科学院城市环境研究所,厦门 361021 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 0253-3820 |
| DOI | 10.11895/j.issn.0253-3820.170020 |
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| Abstract | 大气细颗粒物（PM2.5）污染已成为严峻的环境问题,探究PM2.5的毒性效应和机理变得尤为重要。本研究利用基于液相色谱/质谱的代谢组学技术,分析经PM2.5悬混液气管滴注暴露后成年雄性大鼠睾丸代谢组的全局变化,采用偏最小二乘判别分析法和非参数检验进行统计分析。结果表明,PM2.5暴露组大鼠睾丸的油提和水提代谢指纹谱均可与对照组实现准确区分,表明PM2.5暴露对大鼠睾丸的整体代谢网络产生了显著影响,最终鉴定出56个差异代谢物。通路分析显示,PM2.5暴露会引起大鼠睾丸的氨基酸和核苷酸代谢紊乱、类固醇激素代谢失衡以及脂类代谢异常,而这些重要通路可能是PM2.5生殖毒性的关键分子事件。 |
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| AbstractList | 大气细颗粒物（PM2.5）污染已成为严峻的环境问题,探究PM2.5的毒性效应和机理变得尤为重要。本研究利用基于液相色谱/质谱的代谢组学技术,分析经PM2.5悬混液气管滴注暴露后成年雄性大鼠睾丸代谢组的全局变化,采用偏最小二乘判别分析法和非参数检验进行统计分析。结果表明,PM2.5暴露组大鼠睾丸的油提和水提代谢指纹谱均可与对照组实现准确区分,表明PM2.5暴露对大鼠睾丸的整体代谢网络产生了显著影响,最终鉴定出56个差异代谢物。通路分析显示,PM2.5暴露会引起大鼠睾丸的氨基酸和核苷酸代谢紊乱、类固醇激素代谢失衡以及脂类代谢异常,而这些重要通路可能是PM2.5生殖毒性的关键分子事件。 大气细颗粒物(PM2.5)污染已成为严峻的环境问题,探究PM2.5的毒性效应和机理变得尤为重要.本研究利用基于液相色谱/质谱的代谢组学技术,分析经PM2.5悬混液气管滴注暴露后成年雄性大鼠睾丸代谢组的全局变化,采用偏最小二乘判别分析法和非参数检验进行统计分析.结果表明,PM2.5暴露组大鼠睾丸的油提和水提代谢指纹谱均可与对照组实现准确区分,表明PM2.5暴露对大鼠睾丸的整体代谢网络产生了显著影响,最终鉴定出56个差异代谢物.通路分析显示,PM2.5暴露会引起大鼠睾丸的氨基酸和核苷酸代谢紊乱、类固醇激素代谢失衡以及脂类代谢异常,而这些重要通路可能是PM2.5生殖毒性的关键分子事件. |
| Abstract_FL | Air born fine particulate matter (PM2.5) pollution is a serious environmental problem, and it is very important to study the toxicity effect and mechanism of PM2.5.In this study, a liquid chromatography-mass spectrometric (LC-MS) method on the basis of metabolomics technique was developed to investigate the metabolic disruption effect and reproductive toxicity mechanism of PM2.5 on rat testis.The profile of aqueous and organic testis metabolic extracts were acquired, and then analyzed by partial least square-discriminant analysis and nonparametric test.The results showed that control group and treatment group were clearly discriminated in the scoring plot of PLS-DA models, indicating PM2.5 treatment induced significant difference in testis metabolome.A total of 56 differential metabolites were identified, and further pathway analysis suggested that PM2.5 exposure induced amino acid and nucleotide metabolism disorder, steroid hormone metabolism imbalance and abnormal lipid metabolism.These important pathways may be the key molecular events in the PM2.5 reproductive toxicity. |
| Author | 王晓飞 蒋守芳 张维冰 张凌怡 刘颖 杜晓妍 张洁 申河清 |
| AuthorAffiliation | 上海市功能性材料化学重点实验室,华东理工大学化学与分子工程学院,上海200237 中国科学院城市环境研究所,厦门361021 中国科学院宁波城市环境观测研究站,宁波315800 华北理工大学公共卫生学院,唐山063000 |
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| Keywords | Testis Metabolomics 生殖毒性 Fine particulate matter 睾丸 Reproductive toxicity Liquid chromatography-mass spectrometry 代谢组学 大气细颗粒物 液相色谱-质谱 |
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| Notes | Air born fine particulate matter （ PM2. 5） pollution is a serious environmental problem, and it is very important to study the toxicity effect and mechanism of PM2. 5. In this study, a liquid chromatography- mass spectrometric （LC-MS） method on the basis of metabolomics technique was developed to investigate the metabolic disruption effect and reproductive toxicity mechanism of PM2.5 on rat testis. The profile of aqueous and organic testis metabolic extracts were acquired, and then analyzed by partial least square-discriminant analysis and nonparametric test. The results showed that control group and treatment group were clearly discriminated in the scoring plot of PLS-DA models, indicating PM2. 5 treatment induced significant difference in testis metabolome. A total of 56 differential metabolites were identified, and further pathway analysis suggested that PM2. 5 exposure induced amino acid and nucleotide metabolism disorder, steroid hormone metabolism imbalance and abnormal lipid metabolism. These important |
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| Publisher | 上海市功能性材料化学重点实验室,华东理工大学化学与分子工程学院,上海 200237 华北理工大学公共卫生学院,唐山 063000 中国科学院城市环境研究所,厦门 361021 中国科学院宁波城市环境观测研究站,宁波 315800%华北理工大学公共卫生学院,唐山,063000%上海市功能性材料化学重点实验室,华东理工大学化学与分子工程学院,上海 200237%中国科学院城市环境研究所,厦门,361021%中国科学院城市环境研究所,厦门 361021 |
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| Snippet | 大气细颗粒物（PM2.5）污染已成为严峻的环境问题,探究PM2.5的毒性效应和机理变得尤为重要。本研究利用基于液相色谱/质谱的代谢组学技术,分析经PM2.5悬混液气管滴注暴露后成... 大气细颗粒物(PM2.5)污染已成为严峻的环境问题,探究PM2.5的毒性效应和机理变得尤为重要.本研究利用基于液相色谱/质谱的代谢组学技术,分析经PM2.5悬混液气管滴注暴露后成年... |
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| SubjectTerms | 代谢组学 大气细颗粒物 液相色谱-质谱 生殖毒性 睾丸 |
| Title | 利用代谢组学研究大气细颗粒物的生殖毒性效应 |
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