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image of Exploring the Role of Cuproptosis-related Genes in Acute Myeloid Leukemia Through WGCNA, Single-cell Sequencing and Experiments

Abstract

Background

Cuproptosis, a newly discovered form of programmed cell death, has potential implications for tumorigenesis and cancer progression. This study investigates the role of cuproptosis in Acute Myeloid Leukemia (AML) and identifies associated biomarkers using bulk and single-cell RNA sequencing. Despite recent advances, the mechanisms of cuproptosis in AML remain unclear, and its relationship with immune cell infiltration could reveal novel therapeutic targets.

Methods

RNA-seq data from 151 AML patients and 70 healthy controls were obtained from TCGA and GTEx databases, and single-cell RNA-seq data from 16 AML patients (GEO) were used for validation. Differential expression of Cuproptosis-Related Genes (CRGs) was analyzed RCircos and correlation analysis. Immune cell infiltration was assessed using CIBERSORT and ssGSEA. WGCNA identified key genes for AML and cuproptosis subtypes, which were validated with single-cell data. Intercellular communication was analyzed through ligand-receptor interactions. RNA interference experiments validated TLR4 and NCF2, with gene expression measured through RT-qPCR. Apoptosis and CCK-8 assays assessed cell viability.

Results

We identified 19 CRGs with differential expression between AML subtypes linked to immune cell infiltration. Subtype analysis classified AML patients into C1 and C2 subgroups enriched in biosynthesis and metabolism pathways. WGCNA identified 2701 genes associated with AML and 92 with cuproptosis, leading to 15 intersecting genes. RETN was highlighted as key in intercellular communication. Experimental validation showed that elesclomol-induced cell death in THP-1 cells is reversible by TTM. Knockout of TLR4 and NCF2 promoted cuproptosis.

Conclusion

These findings offer new insights into the role of cuproptosis in AML, highlighting novel biomarkers, such as TLR4 and NCF2, which may provide promising targets for the development of future therapeutic strategies in AML treatment.

© 2025 Bentham Science Publishers
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2025-07-15
2025-09-14

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Exploring the Role of Cuproptosis-related Genes in Acute Myeloid Leukemia Through WGCNA, Single-cell Sequencing and Experiments
Bentham Science Publishers ; https://doi.org/10.2174/0109298673363210250618120652
/content/journals/cmc/10.2174/0109298673363210250618120652
/content/journals/cmc/10.2174/0109298673363210250618120652
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  • Article Type:     Research Article
Keywords: single-cell transcriptome ; subtype ; WGCNA ; AML ; Cuproptosis

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