大肠癌中的DMBX1表达及其对预后及其瘤微环境的影响
Kaijie Zhang1,2, Xintao Hu1,2, Jichong Chen1,2
1Department of Vascular Surgery, The Fifth Affiliated Hospital of Zhengzhou University, No. 3, Kangfu Front Street, Erqi District, Zhengzhou, 450052, Henan Province, China.
结肠癌中DMBX1的高表达与预后不佳相关,并促进瘤的入侵和转移. DMBX1可以作为预后生物标志物,并影响瘤免疫微环境.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
- 癌症基因组学 癌症基因组学
背景情况:
- DMBX1是一种转录因子,在生物过程中具有已知的作用,但其在结肠癌中的功能尚未得到充分研究.
- 关于DMBX1的表达,预后价值和对结肠癌中瘤免疫微环境的影响,存在有限的系统研究.
研究的目的:
- 为了研究结肠癌中DMBX1的表达模式.
- 评估DMBX1表达和患者预后之间的关联.
- 探索DMBX1与结肠癌中的瘤免疫微环境 (TME) 之间的关系.
主要方法:
- 利用癌症基因组图谱 (TCGA) 数据库用于结肠癌基因表达和临床数据.
- 进行了差异性基因表达,突变和预后分析.
- 进行了TME分析 (免疫细胞透,检查点),功能丰富,以及用DMBX1敲除/过度表达的体外试验 (西斑,Transwell,细胞划痕) 的试验.
主要成果:
- 在结肠癌组织中,DMBX1的表达显著升高,并与患者的存活率降低有关.
- DMBX1突变频繁且影响基因表达;DMBX1表达与免疫细胞透和免疫检查点基因相关.
- DMBX1促进结肠癌细胞的入侵和迁移,可能通过调节上皮细胞-介质细胞过渡 (EMT),通过改变ZO-1,E-cadherin,Vimentin和Slug的表达.
结论:
- DMBX1显示出作为结肠癌预后生物标志物的潜力,与TME变化相关.
- DMBX1主要通过增强细胞入侵和迁移来影响结肠癌的发展.
- 进一步研究DMBX1的作用可以为结肠癌的治疗策略提供信息.
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