在COAD中Reg3A的瘤抑制作用是由裸体小鼠的T细胞激活介导的
Luting Yu1, Yihan Zhou2, Shaozheng Sun3
1School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, China; School of Life Science & Technology, China Pharmaceutical University, Nanjing, China.
Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie
|November 27, 2023
概括
再生家族蛋白3A (Reg3A) 通过激活T细胞,在结直肠癌 (CRC) 中表现出瘤抑制作用. 高Reg3A表达增强了抗瘤免疫力,改善了CRC患者的预后.
科学领域:
- 在瘤学瘤学.
- 免疫学 免疫学 免疫学
- 分子生物学分子生物学
背景情况:
- 再生家族蛋白3A (Reg3A) 与瘤发生和癌症进展有关.
- 临床数据表明,Reg3A在结直肠癌 (CRC) 中具有瘤抑制作用,尽管它在各种组织中表达很高.
- 在CRC中Reg3A的确切功能和机制尚不清楚.
研究的目的:
- 调查Reg3A表达,CRC发育和免疫细胞变化之间的关联.
- 为了阐明Reg3A在结肠腺癌 (COAD) 中的抗瘤机制.
主要方法:
- 使用TCGA,GEPIA,PrognoScan,TIMER和TISIDB数据库进行生物信息分析.
- 为异种移植小鼠模型构建一个Reg3A过度表达的LoVo细胞系 (LoVo-Reg3A).
- 通过RNA-seq和ex vivo共同培养实验评估Reg3A对瘤生长,亡,免疫细胞透和细胞因子产生的影响.
主要成果:
- Reg3A上调与CRC相关,免疫细胞透率增加.
- 在异种移植模型中,Reg3A过度表达抑制了瘤增殖,并促进了亡.
- Reg3A增强了T细胞的激活和招募,增加了CD4+,CD8+和CD3ε+T细胞,以及TNF-α,IFN-γ和IL-17的血清和细胞水平升高.
结论:
- 高Reg3A表达在COAD中具有细胞毒性瘤抑制作用.
- Reg3A激活和招募T细胞,从而增强抗瘤免疫力.
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