ArticleBiomarker research2025
NPC1 as a novel therapeutic target for induction of pyroptosis in cancers.
Article in Biomarker research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Decoding the molecular mechanisms of pyroptosis and its therapeutic development prospects.Frontiers in cell and developmental biology · 2026Review
- From autophagy-lysosomal deficits to neurodegeneration in Niemann-Pick type C1 disease: implications for age-related neurodegenerative disorders.Frontiers in neuroscience · 2026Review
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Authors and funding
12 authors.
Funding
Abstract
backgroundCholesterol metabolism reprogramming is a hallmark of cancer cells that exhibit cholesterol addiction by absorbing low-density lipoprotein (LDL) to generate cholesterol for growth. Yet the underlying mechanisms remain unclear.
methodsWe began by identifying Niemann-Pick C1 (NPC1) as a key cholesterol uptake gene linked to cancer progression through clinical data analysis. Using three tumor models, we showed that NPC1 promotes tumor growth by suppressing pyroptosis. Finally, we demonstrated that the NPC1 inhibitor U18666A effectively inhibits tumor growth, supporting its therapeutic potential.
resultsHere we report that NPC1, a key player in cholesterol transport, protects cancer cells from pyroptosis across multiple cancer types. NPC1 expression was highly elevated in human cancers and negatively correlated with patient survival. NPC1 deficiency led to reduced cancer growth and enhanced sensitivity to pyroptosis under pyroptotic stress. NPC1 protects cancer cells from pyroptosis by maintaining cholesterol homeostasis and facilitating LDL-mediated cholesterol uptake, leading to enhanced geranylgeranyl pyrophosphate synthesis for cancer cell survival. Moreover, NPC1 inhibitor U18666A induced cancer cell pyroptosis and was highly therapeutic, either alone or combined with chemotherapeutics, against human hematologic and solid cancers in xenograft mouse models.
conclusionThis study reveals that NPC1 may be a potential therapeutic target for the treatment of human cancers.
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