ArticleThe Journal of clinical investigation2025
Somatic mutations in TBX3 promote hepatic clonal expansion by accelerating VLDL secretion.
Article in The Journal of clinical investigation, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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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.
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Who cites it
4 citing papers in PubMed.
- Genetic and genomic insights across the steatotic liver disease spectrum.Clinical and molecular hepatology · 2026Review
- Human genetics across levels of biological organization.Nature reviews. Genetics · 2026Review
- Hepatic Lipoprotein Production, Cardiometabolic Phenotypes, and Subtypes of Steatotic Liver Disease.Circulation research · 2026Review
- Loss of function of T-box 3 in the liver protects against MASLD.The Journal of clinical investigation · 2025Article
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Authors and funding
16 authors.
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Abstract
Somatic mutations that increase clone fitness or resist disease are positively selected, but the impact of these mutations on organismal health remains unclear. We previously showed that Tbx3 deletion increases hepatocyte fitness within fatty livers. Here, we detected TBX3 somatic mutations in patients with metabolic dysfunction-associated steatotic liver disease (MASLD). In mice, Tbx3 deletion protected against, whereas Tbx3 overexpression exacerbated, MASLD. Tbx3 deletion reduced lipid overload by accelerating VLDL secretion. Choline-deficient diets, which block VLDL secretion, abrogated this protective effect. TBX3 transcriptionally suppressed the conventional secretory pathway and cholesterol biosynthesis. Hdlbp is a direct target of TBX3 that is responsible for the altered VLDL secretion. In contrast to wild-type TBX3, the TBX3 I155S and A280S mutations found in patients failed to suppress VLDL secretion. In conclusion, TBX3 mutant clones expand during MASLD through increased lipid disposal, demonstrating that clonal fitness can benefit the liver at the cost of hyperlipidemia.
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