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An Association Between ATP7B Expression and Human Cancer Prognosis and Immunotherapy: a Pan-cancer Perspective

Overview
Publisher Biomed Central
Specialty Genetics
Date 2023 Dec 1
PMID 38037104
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Abstract

Background: ATP7B is a copper-transporting protein that contributes to the chemo-resistance of human cancer cells. It remains unclear what the molecular mechanisms behind ATP7B are in cancer, as well as its role in human pan-cancer studies.

Methods: Our study evaluated the differential expression of ATP7B in cancer and paracancerous tissues based on RNA sequencing data from the GTEx and TCGA. Kaplan-Meier and Cox proportional hazards regressions were used to estimate prognostic factors associated with ATP7B.The correlations between the expression of ATP7B and immune cell infiltration, tumor mutation burden, microsatellite instability and immune checkpoint molecules were analyzed. Co-expression networks and mutations in ATP7B were analyzed using the web tools. An analysis of ATP7B expression difference on drug sensitivity on tumor cells was performed using the CTRP, GDSC and CMap database.

Results: ATP7B expression differed significantly between cancerous and paracancerous tissues. The abnormal expression of ATP7B was linked to prognosis in LGG and KIRC. Infiltration of immune cells, tumor mutation burden, microsatellite instability and immunomodulators had all been linked to certain types of cancer. Cancer cells exhibited a correlation between ATP7B expression and drug sensitivity.

Conclusion: ATP7B might be an immunotherapeutic and prognostic biomarker based on its involvement in cancer occurrence and development.

Citing Articles

Pan-cancer analysis reveals copper transporters as promising potential targets.

Li Y, Yu Z Heliyon. 2024; 10(17):e37007.

PMID: 39281483 PMC: 11402228. DOI: 10.1016/j.heliyon.2024.e37007.

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