慢性阻塞性肺病和肺腺癌之间是否存在联系? 一项临床病理学和分子研究
Francesca Lunardi1, Giorgia Nardo2, Elisabetta Lazzarini2
1Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padova, 35128 Padova, Italy.
Journal of personalized medicine
|August 29, 2024
概括
慢性阻塞性肺病 (COPD) 和肺癌有共同的联系,但它们的瘤可能不同. 这项研究比较了COPD,吸烟者和非吸烟者的肺腺癌 (LUAD),发现COPD和吸烟者LUAD之间的遗传相似性.
科学领域:
- 肺部医学 肺部医学
- 在瘤学瘤学.
- 遗传学 遗传学 是一个
背景情况:
- 慢性阻塞性肺病 (COPD) 与肺癌有关,但相关瘤的差异仍然不清楚.
- 了解COPD是否影响肺癌的分子和遗传特征对于向治疗至关重要.
研究的目的:
- 为了比较肺腺癌 (LUAD) 的形态和分子概况在患有和没有COPD的患者,考虑到吸烟状态.
- 研究LUAD患者非病理性肺部区域的遗传不稳定性.
主要方法:
- 分析了来自三个组的110个LUAD手术样本:COPD/吸烟者,非COPD/吸烟者和非COPD/非吸烟者.
- 30个基因组的病理评估和下一代测序 (NGS).
- 包括来自患者子集的非新生体组织样本.
主要成果:
- 非COPD/非吸烟者 LUAD 呈现较高的扩散率;非COPD/非吸烟者 LUAD 呈现较多的形图案,较少的亡,较多的纤维化和较少的 KRAS/PIK3CA 突变.
- 在COPD/吸烟者和非COPD/吸烟者的病态和正常肺组织中发现了共享基因突变 (KRAS,PIK3CA).
- 与COPD相关的LUAD分子形状类似于非COPD/吸烟者LUAD,而非吸烟者LUAD表现出不那么积极的表型.
结论:
- 与COPD相关的LUAD与没有COPD的吸烟者中的LUAD具有遗传相似性.
- 吸烟者的正常肺组织中的遗传变化凸显了早期癌症查的必要性.
- 非吸烟者LUAD呈现出一种不那么具有攻击性的表型,这表明了不同的生物学途径.
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