ArticleThe Journal of clinical investigation2025
HMGA1 acts as an epigenetic gatekeeper of ASCL2 and Wnt signaling during colon tumorigenesis.
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 8 papers.
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Who cites it
8 citing papers in PubMed.
- HMGA1 and HMGA2: epigenetic regulators in myeloproliferative neoplasms and novel platelet transcriptomic biomarkers of myelofibrosis.Leukemia · 2026Article
- Pan-cancer characterization ofTranslational cancer research · 2026Article
- Analysis and validation of abnormal signaling pathways and immune cell infiltration characteristics in digestive system cancers based on peroxisome-related genes.Biology direct · 2026Article
- ASCL2 contributes to clinical assessments of breast cancer and mediates tumor progression via the interaction with CLDN3.Scientific reports · 2025Article
- WNT signaling in cancer: molecular mechanisms and potential therapies.Molecular biomedicine · 2025Review
- High Mobility Group A1 Chromatin Keys: Unlocking the Genome During MPN Progression.International journal of molecular sciences · 2025Review
- HMGA1 is a crucial mediator of colon tumorigenesis driven by the loss of APC.The Journal of clinical investigation · 2025Article
- Deficiency of DAZ genes links testicular germ cell tumorigenesis and infertility: evidence from human embryonic stem cell germline differentiation.American journal of cancer research · 2025Article
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Authors and funding
20 authors.
Funding
Abstract
Mutated tumor cells undergo changes in chromatin accessibility and gene expression, resulting in aberrant proliferation and differentiation, although how this occurs is unclear. HMGA1 chromatin regulators are abundant in stem cells and oncogenic in diverse tissues; however, their role in colon tumorigenesis is only beginning to emerge. Here, we uncover a previously unknown epigenetic program whereby HMGA1 amplifies Wnt signaling during colon tumorigenesis driven by inflammatory microbiota and/or Adenomatous polyposis coli (Apc) inactivation. Mechanistically, HMGA1 "opens" chromatin to upregulate the stem cell regulator, Ascl2, and downstream Wnt effectors, promoting stem and Paneth-like cell states while depleting differentiated enterocytes. Loss of just one Hmga1 allele within colon epithelium restrains tumorigenesis and Wnt signaling driven by mutant Apc and inflammatory microbiota. However, HMGA1 deficiency has minimal effects in colon epithelium under homeostatic conditions. In human colon cancer cells, HMGA1 directly induces ASCL2 by recruiting activating histone marks. Silencing HMGA1 disrupts oncogenic properties, whereas reexpression of ASCL2 partially rescues these phenotypes. Further, HMGA1 and ASCL2 are coexpressed and upregulated in human colorectal cancer. Together, our results establish HMGA1 as an epigenetic gatekeeper of Wnt signals and cell state under conditions of APC inactivation, illuminating HMGA1 as a potential therapeutic target in colon cancer.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.