ArticleProceedings of the National Academy of Sciences of the United States of America2026
Single-cell multiomics identifies an ALDH9A1-carnitine signaling axis driving resistance of NSCLC to immunotherapy.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed.
- Single-cell multiomics identifies an ALDH9A1-carnitine signaling axis driving resistance of NSCLC to immunotherapy.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
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Authors and funding
8 authors.
Funding
Abstract
Immunotherapy resistance remains a major barrier to achieving sustained patient improvement in non-small cell lung cancer (NSCLCs). Here, through integrating CODEX, metabolomics, CyTOF, ATAC-seq, and single-cell spatial transcriptomics from NSCLC tumors, we uncover an unrecognized role of ALDH9A1 in promoting resistance to anti-PD-1 therapy. In immunocompetent, but not immunocompromised mouse models, loss of ALDH9A1 markedly restrains tumor growth. This effect is accompanied by increased maturation of tertiary lymphoid structures and reduced accumulation of protumorigenic MDSCs within tumor immune microenvironment. Mechanistically, ALDH9A1-driven carnitine production elevates acetyl-CoA levels, remodels chromatin accessibility, and activates Il1b superenhancers in tumor cells, thereby promoting MDSC polarization and CD8
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Registered trials
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