ArticleCell metabolism2024
PKD1 mutant clones within cirrhotic livers inhibit steatohepatitis without promoting cancer.
Article in Cell metabolism, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Genetic and genomic insights across the steatotic liver disease spectrum.Clinical and molecular hepatology · 2026Review
- Understanding the somatic evolution of metabolic traits.Nature metabolism · 2026Article
- Deep learning for predicting pituitary neuroendocrine tumour lineage and high-risk subtypes from histology.NPJ precision oncology · 2026Article
- Identification of a migrasome-related lncRNA signature and its prognostic and immunological role in bladder cancer.Frontiers in immunology · 2026Article
- Reconstructing the lifelong history of cells and tissues via somatic mutation analysis.Cellular and molecular life sciences : CMLS · 2025Review
- Somatic mutations in TBX3 promote hepatic clonal expansion by accelerating VLDL secretion.The Journal of clinical investigation · 2025Article
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Authors and funding
20 authors.
Funding
Abstract
Somatic mutations in non-malignant tissues are selected for because they confer increased clonal fitness. However, it is uncertain whether these clones can benefit organ health. Here, ultra-deep targeted sequencing of 150 liver samples from 30 chronic liver disease patients revealed recurrent somatic mutations. PKD1 mutations were observed in 30% of patients, whereas they were only detected in 1.3% of hepatocellular carcinomas (HCCs). To interrogate tumor suppressor functionality, we perturbed PKD1 in two HCC cell lines and six in vivo models, in some cases showing that PKD1 loss protected against HCC, but in most cases showing no impact. However, Pkd1 haploinsufficiency accelerated regeneration after partial hepatectomy. We tested Pkd1 in fatty liver disease, showing that Pkd1 loss was protective against steatosis and glucose intolerance. Mechanistically, Pkd1 loss selectively increased mTOR signaling without SREBP-1c activation. In summary, PKD1 mutations exert adaptive functionality on the organ level without increasing transformation risk.
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