通过调节瘤免疫微环境,JAML可以抑制结直肠癌发生
Shiliang Cheng1, Meng Li2, Chunguang Li3
1Department of Clinical Laboratory, Shandong Provincial Third Hospital, Shandong University, 250031, Jinan, People's Republic of China. chengshiliang2012@126.com.
确定了新的结肠腺癌 (COAD) 标,即JAML和CXADR. JAML增强T细胞活性,而CXADR抑制癌细胞生长,为结直肠癌提供了新的治疗策略.
科学领域:
- 免疫学 免疫学 免疫学
- 在瘤学瘤学.
- 分子生物学分子生物学
背景情况:
- 结肠腺癌 (COAD) 治疗需要在瘤微环境中找到新的点.
- 结节关联分子样 (JAML) 和考克萨基和腺病毒受体 (CXADR) 表达在结肠癌中发生变化.
研究的目的:
- 研究JAML和CXADR在结肠腺癌中的作用.
- 在结直肠癌模型中评估针对JAML和CXADR的治疗潜力.
主要方法:
- 生物信息分析和临床样本验证.
- 在体外测试 (MTT,ELISA,西斑,流细胞计) 和体内AOM/DSS小鼠模型.
- 构建JAML过度表达的CD8+T细胞系.
主要成果:
- 在结肠癌组织中,JAML和CXADR的表达显著下降.
- 过度表达JAML促进了T细胞的增殖和炎症因子的产生.
- 过度表达CXADR抑制了癌细胞的增殖,促进了细胞亡,并减少了迁移/入侵.
- JAML激动剂和PD-L1抑制剂显示出治疗效果,联合使用增强了疗效.
结论:
- JAML促进CD8+T细胞的增殖和毒性,同时降低免疫检查点的调节.
- CXADR抑制了癌细胞的增殖,并促进了细胞亡.
- 通过调节CD8+T细胞,JAML激动剂代表了结直肠癌的有希望的治疗策略.
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