PTPRD plays an indispensable role in the occurrence of multiple tumors. However, pan-cancer analysis is unavailable. The purpose of this research was to preliminarily study its prognostic landscape across various tumors and investigate its relationship with immunotherapy. We exhibited the expression profile, survival analysis, and genomic alterations of PTPRD based on the TIMER, GEPIA, UALCAN, PrognoScan and cBioPortal database. The frequency of PTPRD mutation and its correlation with response to immunotherapy were evaluated using the cBioPortal database. The relationship between PTPRD and immune-cell infiltration was analyzed by the TIMER and TISIDB databases. A protein interaction network was constructed by the STRING database. GO and KEGG enrichment analysis was executed by the Metascape database. A correlation between PTPRD expression and prognosis was found in various cancers. Aberrant PTPRD expression was closely related to immune infiltration. In non-small cell lung cancer and melanoma, patients with PTPRD mutations had better overall survival with immune checkpoint inhibitors, and these patients had higher TMB scores. PTPRD mutation was involved in numerous biological processes, including immunological signaling pathways. A PTPRD protein interaction network was constructed, and genes that interacted with PTPRD were identified. Functional enrichment analysis demonstrated that a variety of GO biological processes and KEGG pathways associated with PTPRD were involved in the therapeutic mechanisms. These results revealed that PTPRD might function as a biomarker for prognosis and immune infiltration in cancers, throwing new light on cancer therapeutics.
Citation: Chunpei Ou, Qin Peng, Changchun Zeng. An integrative prognostic and immune analysis of PTPRD in cancer[J]. Mathematical Biosciences and Engineering, 2022, 19(6): 5361-5379. doi: 10.3934/mbe.2022251
PTPRD plays an indispensable role in the occurrence of multiple tumors. However, pan-cancer analysis is unavailable. The purpose of this research was to preliminarily study its prognostic landscape across various tumors and investigate its relationship with immunotherapy. We exhibited the expression profile, survival analysis, and genomic alterations of PTPRD based on the TIMER, GEPIA, UALCAN, PrognoScan and cBioPortal database. The frequency of PTPRD mutation and its correlation with response to immunotherapy were evaluated using the cBioPortal database. The relationship between PTPRD and immune-cell infiltration was analyzed by the TIMER and TISIDB databases. A protein interaction network was constructed by the STRING database. GO and KEGG enrichment analysis was executed by the Metascape database. A correlation between PTPRD expression and prognosis was found in various cancers. Aberrant PTPRD expression was closely related to immune infiltration. In non-small cell lung cancer and melanoma, patients with PTPRD mutations had better overall survival with immune checkpoint inhibitors, and these patients had higher TMB scores. PTPRD mutation was involved in numerous biological processes, including immunological signaling pathways. A PTPRD protein interaction network was constructed, and genes that interacted with PTPRD were identified. Functional enrichment analysis demonstrated that a variety of GO biological processes and KEGG pathways associated with PTPRD were involved in the therapeutic mechanisms. These results revealed that PTPRD might function as a biomarker for prognosis and immune infiltration in cancers, throwing new light on cancer therapeutics.
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