ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2025
LncRNA TUG1 Repressed Angiogenesis by Promoting the Ubiquitination of HuR and Inhibiting Its Nuclear Translocation in Cerebral Ischemic Reperfusion Injury.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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Who cites it
3 citing papers in PubMed.
- Electroacupuncture (EA) promotes angiogenesis and ameliorates dysregulated autophagy in ischemic stroke mice by modulating the ELAVL1/SIRT1/FOXO1 pathway.Metabolic brain disease · 2026Article
- Discovering, Integrating, and Reinterpreting the Molecular Logic of Life: From Classical Theories of Heredity to an Extended Functional Perspective on the Central Dogma.Life (Basel, Switzerland) · 2026Review
- LncRNA TUG1 Repressed Angiogenesis by Promoting the Ubiquitination of HuR and Inhibiting Its Nuclear Translocation in Cerebral Ischemic Reperfusion Injury.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
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Authors and funding
5 authors.
Funding
Abstract
Although both Taurine Upregulated Gene 1(TUG1) and Human Antigen R (HuR) play significant regulatory roles in Cerebral Ischemic Reperfusion Injury (CIRI), their potential pro-angiogenesis mechanisms in CIRI remain unclear.
methodsHerein, the biological roles of TUG1 and HuR in angiogenesis are first confirmed. Following that, HuR-binding VEGFA mRNAs are identified via the Fluorescence In Situ Hybridization (FISH), RNA Immunoprecipitation (RIP), and Cross-Linking Immunoprecipitation (CLIP) assays. Actinomycin D and polysomal assays are also employed to confirm VEGFA mRNA stability. The co-localization of TUG1 with HuR is confirmed using FISH, while the RIP and RNA pull-down assays are employed to elucidate their interplay. The direct binding between TUG1 and HuR is confirmed through the CLIP assay. Co-Immunoprecipitation (Co-IP) and rescue experiments are performed to further elucidate TUG1-HuR interactions.
resultsWhile TUG1 repressed angiogenesis and aggravated CIRI, HuR exerted contrary effects. Specifically, HuR bound directly to VEGFA mRNA, a phenomenon that enhanced VEGFA mRNA stability. Conversely, TUG1 binds to HuR directly, inhibiting its nuclear translocation and promoting its ubiquitination, ultimately reducing VEGFA mRNA stability.
conclusionsIt is found that TUG1 can inhibit angiogenesis in CIRI through the HuR/VEGFA mRNA axis.
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Registered trials
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