ArticleScientific reports2024
HSF1 is required for cellular adaptation to daily temperature fluctuations.
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 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
- The Function of Heat Shock Transcription Factors in Sex Differentiation inAnimals : an open access journal from MDPI · 2025Article
- Heat shock proteins in hypothermia: a review.Frontiers in molecular biosciences · 2025Review
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Authors and funding
7 authors.
Funding
Abstract
The heat shock response (HSR) is a universal mechanism of cellular adaptation to elevated temperatures and is regulated by heat shock transcription factor 1 (HSF1) or HSF3 in vertebrate endotherms, such as humans, mice, and chickens. We here showed that HSF1 and HSF3 from egg-laying mammals (monotremes), with a low homeothermic capacity, equally possess a potential to maximally induce the HSR, whereas either HSF1 or HSF3 from birds have this potential. Therefore, we focused on cellular adaptation to daily temperature fluctuations and found that HSF1 was required for the proliferation and survival of human cells under daily temperature fluctuations. The ectopic expression of vertebrate HSF1 proteins, but not HSF3 proteins, restored the resistance in HSF1-null cells, regardless of the induction of heat shock proteins. This function was associated with the up-regulation of specific HSF1-target genes. These results indicate the distinct role of HSF1 in adaptation to thermally fluctuating environments and suggest association of homeothermic capacity with functional diversification of vertebrate HSF genes.
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