ArticleCommunications biology2025
Hypoxia-induced circPLOD2a/b promotes the aggressiveness of glioblastoma by suppressing XIRP1 through binding to HuR.
Article in Communications biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed.
- Review
- Putative glioblastoma origin-like cells in the subventricular zone: isolation and characterization.Experimental & molecular medicine · 2026Article
Corrections and comments
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Authors and funding
15 authors.
Funding
Abstract
Hypoxia is a common feature of glioblastoma (GBM). Circular RNAs (circRNAs) are identified as regulators in cancers. However, the role of circRNAs in GBM remains elusive. Here, circPLOD2a and circPLOD2b, spliced from the same parental gene PLOD2, are identified as hypoxia-responsive circRNAs. Overexpression of circPLOD2a and b enhance while knockdown inhibit GBM cell aggressiveness. The protein partners and downstream molecules were investigated by RNA-pulldown, mass spectrometry and RNA-seq. Mechanistically, HIF1α induces the expression of circPLOD2a and b, which competitively bind to HuR, causing a degradation of XIRP1 in vitro and in vivo. Clinical data demonstrate circPLOD2a and b are highly expressed in GBM negatively correlated with XIRP1, whose lower expression associates with higher glioma grade and worse prognosis. In conclusion, hypoxia-induced circPLOD2a and b are oncogenic regulators of tumour aggressiveness through attenuating the interaction between HuR and XIRP1 in glioblastoma cells and may be potential therapeutic targets for this disease.
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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.