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<p>Metabolic reprogramming is a defining feature of malignant transformation and cancer cell growth. Pediatric cancers arise from genetic disruptions hijacking developmental programs by aberrant transcriptional networks. This coordinated rewiring shapes lipid metabolism through activation of biosynthetic pathways, membrane remodeling, and metabolic flexibility. This review synthesizes recent advances in the understanding of lipid metabolism reprogramming across pediatric cancers, examining four key areas: (1) transcriptional drivers that activate fatty acid and cholesterol synthesis; (2) lipid catabolism sustaining ATP, acetyl-CoA and NADPH pools under metabolic stress; (3) ferroptosis evasion through desaturation pathways and membrane remodeling; and (4) tissue-specific metabolic adaptations enabling metastasis to the bone marrow and cerebrospinal fluid. Despite extensive preclinical evidence identifying targetable vulnerabilities – including dependencies on FASN, SCD, and HMGCR – clinical impact remains to be proven. We discuss challenges of introducing therapies targeting lipid metabolism to the clinic and argue that the future lies in a better understanding of lipid flux and patient-specific dependencies.</p>

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Reprogramming lipid metabolism in pediatric cancers

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年4月30日

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  • Vinzent L. Lindemann,
  • Nazek Noureddine,
  • Raphael J. Morscher

摘要

Metabolic reprogramming is a defining feature of malignant transformation and cancer cell growth. Pediatric cancers arise from genetic disruptions hijacking developmental programs by aberrant transcriptional networks. This coordinated rewiring shapes lipid metabolism through activation of biosynthetic pathways, membrane remodeling, and metabolic flexibility. This review synthesizes recent advances in the understanding of lipid metabolism reprogramming across pediatric cancers, examining four key areas: (1) transcriptional drivers that activate fatty acid and cholesterol synthesis; (2) lipid catabolism sustaining ATP, acetyl-CoA and NADPH pools under metabolic stress; (3) ferroptosis evasion through desaturation pathways and membrane remodeling; and (4) tissue-specific metabolic adaptations enabling metastasis to the bone marrow and cerebrospinal fluid. Despite extensive preclinical evidence identifying targetable vulnerabilities – including dependencies on FASN, SCD, and HMGCR – clinical impact remains to be proven. We discuss challenges of introducing therapies targeting lipid metabolism to the clinic and argue that the future lies in a better understanding of lipid flux and patient-specific dependencies.