高脂肪饮食诱导C反应蛋白分泌,通过免疫微环境调节促进肺腺癌
Wei-Lun Hsu1, Yun-Ting Hsieh1, Wei-Ming Chen1
1Department of Clinical Laboratory Sciences and Medical Biotechnology, College of Medicine, National Taiwan University, Taipei 10055, Taiwan.
Disease models & mechanisms
|November 6, 2023
概括
高脂肪饮食通过改变免疫微环境来促进肺癌的生长. 对C反应性蛋白 (CRP) 的上调,有助于增加瘤扩散和转移.
科学领域:
- 在瘤学瘤学.
- 免疫学 免疫学 免疫学
- 代谢综合征是代谢综合征的一种.
背景情况:
- 高脂肪饮食 (HFD) 与包括癌症在内的各种健康问题有关.
- 肺癌对肺癌进展的特定影响及其潜在机制需要进一步阐明.
研究的目的:
- 研究高脂肪饮食对肺癌发展和进展的影响.
- 为了确定与HFD诱导的肺癌相关的潜在生物标志物.
主要方法:
- 使用一种可诱导突变表皮生长因子受体 (EGFR) 驱动的肺癌转基因小鼠模型.
- 给小鼠提供常规饮食 (RD) 或高脂肪饮食 (HFD).
- 进行了转录基因分析,细胞因子和基因阵列以及元数据库分析.
主要成果:
- 与RD组相比,HFD组表现出明显增加的瘤形成,EGFR活性和增殖标志物.
- 转录组分析显示,HFD养小鼠的免疫相关信号通路的丰富,表明免疫微环境发生了变化.
- 在HFD组中,C-反应蛋白 (CRP) 的调高,并经过实验证实能促进肺癌的扩散和转移.
结论:
- 高脂肪饮食通过创造一种支持瘤的免疫微环境来促进肺癌的生长.
- 在这种改变的微环境中,C-反应蛋白 (CRP) 在促进肺癌发展方面发挥着重要作用.
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