期刊
JOURNAL OF CANCER
卷 12, 期 7, 页码 2010-2022出版社
IVYSPRING INT PUBL
DOI: 10.7150/jca.52578
关键词
GPRC5A; pancreatic cancer; metastasis; epithelial-mesenchymal transition; neuroactive ligand-receptor interaction
类别
资金
- National Natural Science Foundation of China [81871947]
This study identified GPRC5A as the most valuable gene in predicting the survival of pancreatic cancer patients, with high expression associated with larger tumors, higher TNM stages, higher tumor grades, and more positive resection margins. Mechanistically, GPRC5A may promote metastasis of pancreatic cancer mainly through regulating EMT and neuroactive ligand-receptor interaction.
Background: Pancreatic cancer (PaCa) is a highly lethal malignancy. The treatment options for PaCa lack efficacy. The study aimed to explore the molecular biomarkers for predicting survival of PaCa and identify the potential carcinogenic mechanisms of the selected gene. Methods: Based on public databases of PaCa, differentially expressed genes (DEGs) were identified using Networkanalyst. Survival analyses were exerted on GEPIA. Oncomine and The Human Protein Atlas were used for verifying the expression on mRNA and protein levels. Enrichment analyses were generated on Metascape and gene set enrichment analysis (GSEA). Univariate analyses were performed to determine the clinical factors associated with the expression of GPRC5A. Results: GPRC5A was identified as the most valuable gene in predicting survival of PaCa patients. Patients with high expression of GPRC5A showed larger tumor size, higher TNM stages, higher tumor grade, and more positive resection margin. In mutant KRAS, TP53, CDKN2A and SMAD4 group, the expression of GPRC5A was higher than non-mutant group. Mechanistically, GPRC5A may promote metastasis of PaCa mainly via regulating epithelial-mesenchymal transition (EMT) and neuroactive ligand-receptor interaction. Conclusion: GPRC5A may act as an oncogene in the progression of PaCa and could be a prognostic biomarker in predicting survival of PaCa.
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