Evolutionary proteogenomic landscape from pre-invasive to invasive lung adenocarcinoma
CELL REPORTS MEDICINE(2024)
摘要
Lung adenocarcinoma follows a stepwise progression from pre -invasive to invasive. However, there remains a knowledge gap regarding molecular events from pre -invasive to invasive. Here, we conduct a comprehensive proteogenomic analysis comprising whole-exon sequencing, RNA sequencing, and proteomic and phosphoproteomic profiling on 98 pre -invasive and 99 invasive lung adenocarcinomas. The deletion of chr4q12 contributes to the progression from pre -invasive to invasive adenocarcinoma by downregulating SPATA18, thus suppressing mitophagy and promoting cell invasion. Proteomics reveals diverse enriched pathways in normal lung tissues and pre -invasive and invasive adenocarcinoma. Proteomic analyses identify three proteomic subtypes, which represent different stages of tumor progression. We also illustrate the molecular characterization of four immune clusters, including endothelial cells, B cells, DCs, and immune depression subtype. In conclusion, this comprehensive proteogenomic study characterizes the molecular architecture and hallmarks from pre -invasive to invasive lung adenocarcinoma, guiding the way to a deeper understanding of the tumorigenesis and progression of this disease.
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关键词
proteogenomic analysis,lung adenocarcinoma,tumorigenesis,progression
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