ArticleRedox biology2022
Short-term hypoxia triggers ROS and SAFB mediated nuclear matrix and mRNA splicing remodeling.
Article in Redox biology, 2022. 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, 17 citations in OpenAlex.
- Responsive nanoparticles modulating microglia lactate transport alleviate M1-type polarization and neuroinflammation for brain injury therapy.Journal of nanobiotechnology · 2026Article
- Hypoxia-mediated regulation of mRNA metabolism: from transcription to stability.Cell communication and signaling : CCS · 2025Review
- Plant-Fungi Mutualism, Alternative Splicing, and Defense Responses: Balancing Symbiosis and Immunity.International journal of molecular sciences · 2025Review
- Hypoxia Modulates Transmembrane Prostatic Acid Phosphatase (TM-PAP) in MCF-7 Breast Cancer Cells.International journal of molecular sciences · 2025Article
- CircNAP1L4 regulates pulmonary artery smooth muscle cell proliferation via the NAP1L4-mediated super-enhancer-driven glycolysis gene hexokinase II (HK II) in pulmonary hypertension.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2024Article
- Hypoxia-driven deSUMOylation of EXOSC10 promotes adaptive changes in the transcriptome profile.Cellular and molecular life sciences : CMLS · 2024Article
- Serine-arginine protein kinases and their targets in viral infection and their inhibition.Cellular and molecular life sciences : CMLS · 2023Review
- Insight into the Structural Basis for Dual Nucleic Acid-Recognition by the Scaffold Attachment Factor B2 Protein.International journal of molecular sciences · 2023Article
Corrections and comments
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Authors and funding
7 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The cellular response to hypoxia, in addition to HIF-dependent transcriptional reprogramming, also involves less characterized transcription-independent processes, such as alternative splicing of the VEGFA transcript leading to the production of the proangiogenic VEGF form. We now show that this event depends on reorganization of the splicing machinery, triggered after short-term hypoxia by ROS production and intranuclear redistribution of the nucleoskeletal proteins SAFB1/2. Exposure to low oxygen causes fast dissociation of SAFB1/2 from the nuclear matrix, which is reversible, inhibited by antioxidant treatment, and also observed under normoxia when the mitochondrial electron transport chain is blocked. This is accompanied by altered interactions between SAFB1/2 and the splicing machinery, translocation of kinase SRPK1 to the cytoplasm, and dephosphorylation of RS-splicing factors. Depletion of SAFB1/2 under normoxia phenocopies the hypoxic and ROS-mediated switch in VEGF mRNA splicing. These data suggest that ROS-dependent remodeling of the nuclear architecture can promote production of splicing variants that facilitate adaptation to hypoxia.
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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 OpenQuestion graph.