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A myeloid-dormant metabolic transcriptome identifies a poor-prognosis subgroup in hyperdiploid multiple myeloma with targetable vulnerabilities
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DOI：10.1038/s41408-026-01604-w.png)
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Abstract
En 中文
Aberrant metabolism, a hallmark of cancer, reveals vulnerabilities across human tumors. Here, we demonstrate that transcriptomic alterations of metabolism-related genes (metabolic transcriptome) in multiple myeloma (MM), classify patients into six metabolic-transcriptional groups characterized by specific metabolic pathways and cytogenetic alterations, independent of currently described myeloma risk groups. Interestingly, hyperdiploid patients clustered into 2 groups (MM5 and MM6) with significantly distinct Progression-Free and Overall Survival. The MM5 group, with worse prognosis, showed a significant enrichment in myeloid and dormant cell signatures. Regulon analysis identified myeloid transcription factors (TFs) as regulators of metabolic, myeloid, and dormant genes in MM5. In addition to myeloid genes acting as potential biomarkers and therapeutic targets, the metabolic gene ACSL1 plays a crucial role in MM5, decreasing cell proliferation by affecting metabolism and mitochondrial function, sensitizing MM to BCL-2 family inhibitors. These findings highlight ACSL1 as a promising therapeutic target for MM5 and provide new insights into MM metabolic heterogeneity that may guide future precision medicine strategies.
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