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在甲胺诱导的肝癌发生模型中,对一个低形态的Mtbp等位基因的表征

Atul Ranjan¹, Elizabeth A Thoenen¹, Atsushi Kaida²

¹Department of Pediatrics, Children's Mercy Research Institute, Kansas City, MO 64108, USA.

|September 28, 2023

概括

在肝癌诱导后,表达量减少的甲基转移酶样蛋白14 (MTBP) 的小鼠显示存活率降低,转移率增加. 本研究介绍了一种有价值的小鼠模型,用于研究MTBP.

科学领域:

分子生物学分子生物学
癌症研究癌症研究
遗传学是一个遗传学.

背景情况:

甲基转移酶样蛋白14 (MTBP) 与细胞周期,DNA复制和癌症转移有关.
它的精确生理功能仍然不清楚,并且取决于环境.
创建淘汰赛小鼠的先前尝试面临着胚胎致死性或微妙表型的挑战.

研究的目的:

调查MTBP的体内生理作用.
用一个新的低形态小鼠模型来描述MTBP功能.
为了验证在生物体内的人类细胞中观察到的MTBP功能.

主要方法:

产生具有低形态Mtbp等位基因 (Mtbp) 的小鼠,表达野生型MTBP水平的30%左右.
野生型和Mtbp小鼠用致癌性肝脏二甲基尼托拉胺 (DEN) 的治疗.
来自Mtbp小鼠的小鼠胚胎纤维细胞 (MEF) 对p-Erk1/2局部化和迁移潜力的分析.

主要成果:

与野生类型小鼠相比,mtbp小鼠在经过DEN治疗后的整体存活率明显降低.
来自Mtbp小鼠的MEF显示了化细胞外信号调节激酶1/2 (p-Erk1/2) 的核局部增加.
Mtbp MEF 显示出增强的迁移潜力,与人类肝癌细胞的发现一致.

结论:

Mtbp低形态小鼠模型为研究MTBP的体内生理功能提供了宝贵的工具.
降低的MTBP水平加剧了小鼠肝癌的进展和转移.
这个模型系统可以帮助验证在人类癌细胞中观察到的各种MTBP功能.

关键词:

这是一种MDM2结合蛋白.在MTBP中,MTBP是MTBP.一个低形态的等位基因.肝癌肝癌是一种肝癌.移民移民迁移迁移这里是鼠标鼠标鼠标鼠标鼠标鼠标.

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