Analysis of Immune Infiltration and Clinical Significance of Lysosome-Related Genes in Colon Adenocarcinoma

Abstract

Abstract Background Immunotherapy has become increasingly important in the treatment of various malignant tumors. The interaction between tumor cells and the tumor microenvironment (TME) plays a crucial role in the efficacy of immunotherapy. The phenotype of cancer cells is thought to be influenced by lysosomal activity. The overall activity of lysosomes, including autophagy, has been shown to inhibit tumor occurrence. Nonetheless, the relationship between lysosomal function in Colon Adenocarcinoma (COAD) and clinical prognosis, immune cell infiltration, and response to immunotherapy remain to be elucidated. Methods We thoroughly determined the relationship between lysosomes and transcription patterns, prognosis, and immune cell infiltration by carefully evaluating 32 lysosomal-related genes (LRGs). Subsequently, we evaluated their value in COAD treatment outcomes and prognosis prediction. Results We explored the genetic changes of LRGs in COAD samples and discovered their expression patterns using the TCGA and GEO databases. We identified two relevant subgroups as well as Established that clinical-pathological features, prognosis, and invasive TME were all associated with Coad mutations. We then developed an LRG_score to predict overall survival (OS) and demonstrated its accuracy as a predictive indicator for COAD patients. We also developed an extremely accurate nomogram chart for the clinical feasibility of LRG_score. Finally, drug sensitivity analysis revealed a strong association between LRG_score and anti-cancer drugs. Conclusion Overall, we identified the prognostic LRG characteristics of COAD patients. This characteristic may help to elucidate the features of TME and explore more effective immunotherapy strategies.