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A functional single cell metabolic survey identifies Elovl1 as a target to enhance CD8+ T cell fitness in solid tumors [CROPseq]

GSE255832 Mus musculus Expression profiling by high throughput sequencing 8 samples Submitted 2025/02/04 Platform GPL24247
Summary
Rewiring T cell metabolism can improve intratumoral infiltration and function. By performing a CRISPR/Cas9 metabolic survey in CD8+ T cells, we identified 83 targets enriched at the primary and/or metastatic niche in the context of pancreatic cancer. We applied single-cell RNA sequencing to disclose transcriptome changes associated with each metabolic perturbation. This revealed Elongation of Very-Long-chain fatty acids protein 1 (Elovl1) as a metabolic target to sustain proliferation and both effector and memory functions in CD8+ T cells. Accordingly, Elovl1 inactivation in adoptively transferred T cells combined with αPD-1 showed therapeutic efficacy in resistant pancreatic and melanoma tumors. Loss of Elovl1 in T cells rewired lipid metabolism and changed the plasma membrane composition mainly through SREBP2 activation, leading to higher cholesterol content and stronger TCR signaling. Finally, ELOVL1 in CD8+ T cells correlated with αPD-1 response in melanoma patients. Altogether, Elovl1 targeting synergizes with αPD-1 to promote effective anti-tumor T cell responses
Published in
A functional single-cell metabolic survey identifies Elovl1 as a target to enhance CD8(+) T cell fitness in solid tumours
Pretto S, Yu Q, Bourdely P et al. · Nature metabolism 2025 · PMID 40065102 · doi:10.1038/s42255-025-01233-w
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Also filed as BioProject PRJNA1076646 and SRA study SRP489799. Searching any of these in the dataset finder brings you back here.

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