ArticleBMB reports2023
Determination of HIF-1α degradation pathways via modulation of the propionyl mark.
Article in BMB reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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Who cites it
4 citing papers in PubMed, 9 citations in OpenAlex.
- HIF-1α/NREP axis promotes hypertrophic scar fibroblast proliferation and collagen deposition via activation of the TGF-β1/Smad pathway.Biology direct · 2026Article
- Lysine Propionylation as a Metabolically Coupled PTM: Mechanisms, Functional Consequences, and Therapeutic Potentials.International journal of molecular sciences · 2026Review
- Post-translational modification of transcription factors: perspectives in vascular medicine.Cell death & disease · 2025Review
- Post-Translational Modifications of Proteins Orchestrate All Hallmarks of Cancer.Life (Basel, Switzerland) · 2025Review
Corrections and comments
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Authors and funding
8 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The hypoxia-inducible factor-1α (HIF-1α) is a key regulator of hypoxic stress under physiological and pathological conditions. HIF-1α protein stability is tightly regulated by the ubiquitin-proteasome system (UPS) and autophagy in normoxia, hypoxia, and the tumor environment to mediate the hypoxic response. However, the mechanisms of how the UPS and autophagy interplay for HIF-1α proteostasis remain unclear. Here, we found a HIF-1α species propionylated at lysine (K) 709 by p300/CREB binding protein (CBP). HIF-1α stability and the choice of degradation pathway were affected by HIF-1α propionylation. K709-propionylation prevented HIF-1α from degradation through the UPS, while activated chaperon-mediated autophagy (CMA) induced the degradation of propionylated and nonpropionylated HIF-1α. CMA contributed to HIF-1α degradation in both normoxia and hypoxia. Furthermore, the pan-cancer analysis showed that CMA had a significant positive correlation with the hypoxic signatures, whereas SIRT1, responsible for K709-depropionylation correlated negatively with them. Altogether, our results revealed a novel mechanism of HIF-1α distribution into two different degradation pathways. [BMB Reports 2023; 56(4): 252-257].
Indexed as
Identifiers
36789561PMC10140483W4319659151What OpenQuestion holds
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 OpenQuestion graph.