ArticleMolecular therapy. Nucleic acids2022
RPS4XL encoded by lnc-Rps4l inhibits hypoxia-induced pyroptosis by binding HSC70 glycosylation site.
Article in Molecular therapy. Nucleic acids, 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, 18 citations in OpenAlex.
- Circ-myh8/KAT7 Affects PANoptosis in Pulmonary Arterial Smooth Muscle Cells: Involvement of Super-Enhancers in FOSL2 Expression.Journal of the American Heart Association · 2025Article
- The transcription factor PITX1 cooperates with super-enhancers to regulate the expression of DUSP4 and inhibit pyroptosis in pulmonary artery smooth muscle cells.Respiratory research · 2025Article
- Review
- The regulation of pyroptosis by post-translational modifications: molecular mechanisms and therapeutic targets.EBioMedicine · 2024Review
- Long non-coding RNA-encoded micropeptides: functions, mechanisms and implications.Cell death discovery · 2024Review
- Roles of LncRNAs in the Pathogenesis of Pulmonary Hypertension.Reviews in cardiovascular medicine · 2024Review
- Epigenetic regulation of programmed cell death in hypoxia-induced pulmonary arterial hypertension.Frontiers in immunology · 2023Review
- Disulfiram attenuates hypoxia-induced pulmonary hypertension by inhibiting GSDMD cleavage and pyroptosis in HPASMCs.Respiratory research · 2022Article
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Authors and funding
15 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Pyroptosis is involved in pulmonary hypertension (PH); however, whether this process is regulated by long non-coding RNAs (lncRNAs) is unclear. Some lncRNAs encode peptides; therefore, whether the regulation of pyroptosis in PH depends on lncRNAs themselves or their encoded peptides needs to be explored. We aimed to characterize the role of the peptide RPS4XL encoded by lnc-Rps4l and its regulatory mechanisms during pyroptosis in PH. Transgenic mice overexpression of lnc-Rps4l was established to rescue the inhibition of hypoxia-induced pyroptosis in pulmonary artery smooth muscle cells (PASMCs). An adeno-associated virus 9 construct with a mutation in the open reading frame of lnc-Rps4l was used to verify that it could inhibit hypoxia-induced PASMCs pyroptosis through its encoded peptide RPS4XL. Glutathione S-transferase (GST) pull-down assays revealed that RPS4XL bound to HSC70, and microscale thermophoresis (MST) was performed to determine the HSC70 domain that interacted with RPS4XL. Through glycosylation site mutation, we confirmed that RPS4XL inhibited hypoxia-induced PASMCs pyroptosis by regulating HSC70 glycosylation. Our results showed that RPS4XL inhibits pyroptosis in a PH mouse model and hypoxic PASMCs by regulating HSC70 glycosylation. These results further clarify the important mechanism of vascular remodeling in PH pathology.
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