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Effect of 7,12-Dimethylbenz(α)anthracene on the Expression of miR-330, miR-29a, miR-9-1, miR-9-3 and the mTORC1 Gene in CBA/Ca Mice
In Vivo ( IF 1.8 ) Pub Date : 2020-01-01 , DOI: 10.21873/invivo.12046
Andras Tomesz 1, 2 , Laszlo Szabo 2, 3 , Richard Molnar 2, 3 , Arpad Deutsch 3 , Richard Darago 3 , Domokos Mathe 4 , Ferenc Budan 2, 5 , Nowrasteh Ghodratollah 2 , Timea Varjas 2 , Balazs Nemeth 2 , Istvan Kiss 2
Affiliation  

Background/Aim: Development of malignant tumors is preceded by molecular biological events. Our aim was to establish an assay panel by using miRNAs and other genes for the rapid screening of potential carcinogens or chemopreventive agents. Materials and Methods: Six male and 6 female CBA/Ca mice received 20 mg/bwkg 7,12-dimethylbenz(α)anthracene (DMBA) intraperitoneally, and 24 h later RNA was isolated from parenchymal organs. Expression of miR-330, miR-29a, miR-9-1, miR-9-3 and mTORC1 was analysed by real time polymerase chain reaction and compared to non-treated controls. Results: DMBA caused significant alterations in the expression of the studied genes. The most profound changes were the strongly elevated miR-9-3 and mTORC1 expressions in female mice in all organs studied. Conclusion: miR-9-3 and mTORC1 expression in female mice were found to be the most suitable biomarkers for rapid identification of possible carcinogenic effects.

中文翻译:

7,12-二甲基苯(α)蒽对CBA/Ca小鼠miR-330、miR-29a、miR-9-1、miR-9-3和mTORC1基因表达的影响

背景/目的:恶性肿瘤的发展先于分子生物学事件。我们的目标是通过使用 miRNA 和其他基因建立一个检测面板,以快速筛选潜在的致癌物或化学预防剂。材料和方法:6 只雄性和 6 只雌性 CBA/Ca 小鼠腹膜内接受 20 mg/bwkg 7,12-二甲基苯(α)蒽(DMBA),24 小时后从实质器官中分离 RNA。通过实时聚合酶链反应分析 miR-330、miR-29a、miR-9-1、miR-9-3 和 mTORC1 的表达,并与未处理的对照进行比较。结果:DMBA 引起所研究基因表达的显着改变。最深刻的变化是雌性小鼠在所有研究器官中的 miR-9-3 和 mTORC1 表达强烈升高。结论:
更新日期:2020-01-01
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