ArticleScience advances2025
HSF2 drives breast cancer progression by acting as a stage-specific switch between proliferation and invasion.
Article in Science advances, 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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Who cites it
4 citing papers in PubMed.
- Adaptation to heat stress by diversification of the vertebrate heat shock transcription factor family.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2026Review
- Functional interplay between heat shock protein 90 (HSP90) and heat shock factors (HSFs).Cell stress & chaperones · 2026Review
- Heat shock transcription factors in development and disease.Disease models & mechanisms · 2026Review
- A guide to heat shock factors as multifunctional transcriptional regulators.The FEBS journal · 2025Review
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Authors and funding
12 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Breast cancer is hallmarked by phenotypic transitions enabling abnormal cell proliferation and invasion. The stress-protective transcription factor heat shock factor 2 (HSF2) is associated with cancer, but its function in breast carcinogenesis remains poorly understood. Analysis of human breast tumor samples and mouse in vivo xenografts uncovered that HSF2 expression and activity undergo dynamic changes as a function of tumor progression. HSF2 expression, nuclear localization, and coexpression with the proliferation marker Ki67 are increased in ductal carcinoma in situ (DCIS), suggesting that HSF2 designates hyperplastic cells underlying tumor expansion. In mouse xenografts, HSF2 localization switches from nuclear to cytoplasmic upon DCIS-to-invasive transition. Using cell-based models, we identify canonical transforming growth factor-β (TGF-β) signaling as the molecular mechanism regulating HSF2. TGF-β-mediated down-regulation of HSF2 allowed acquisition of an invasive cell phenotype, which was counteracted by ectopic HSF2. Together, we propose that HSF2 acts as a stage-specific switch between proliferation and invasion in breast cancer.
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Registered trials
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 Socratic graph.