ArticleNature communications2026
Cardiomyocyte Cyclin-dependent kinase 9 directly binds to and phosphorylates NF-κB p65 subunit to drive cardiac inflammation and remodeling.
Article in Nature communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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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.
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Who cites it
2 citing papers in PubMed.
- CircBRWD1 Drives Atherosclerotic Plaque Progression by Modulating Macrophage Inflammatory Responses Through miR-141-5p/HMGB1/NF-κB Signaling.Molecular neurobiology · 2026Article
- SOX2-OT serves as a diagnostic and prognostic biomarker for hypertensive left ventricular hypertrophy by targeting miR-30d-5p.Molecular and cellular biochemistry · 2026Article
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Authors and funding
13 authors.
Funding
Abstract
Hypertensive heart failure highlights an urgent need for effective therapeutic strategies. Protein kinases regulate multiple pathways in cardiac pathophysiology and may provide promising therapeutic targets. Here, we identified a Cyclin-dependent kinase, CDK9, promoting inflammation and cardiac remodeling in terminally differentiated cardiomyocytes. Firstly, kinase enrichment analysis and experimental evidence revealed CDK9 phosphorylation at Thr-186 in both human and mouse hypertrophic heart tissues. CDK9 loss of function via T186A mutation in cardiomyocytes attenuated Ang II-induced heart remodeling and NF-κB-mediated inflammation, whereas CDK9 overactivation by T186E mutation induces. This regulatory function of CDK9 in cardiac remodeling is cell cycle-independent. Further studies demonstrate that the kinase domain of CDK9 directly binds to NF-κB P65 protein, which leads to the CDK9/P65 complex nuclear translocation, P65 phosphorylation, and transcription of inflammatory and hypertrophic genes in cardiomyocytes. This process requires CDK9 Thr-186 phosphorylation and Cyclin T1 presence, but is independent on IKKβ and CDK9-RNAPII pathways. Pharmacological inhibition of CDK9 phosphorylation significantly attenuated Ang II-induced cardiac inflammation, remodeling, and dysfunction in mice. Collectively, Ang II-activated CDK9 directly binds to and phosphorylates P65 to drive cardiac inflammation and remodeling. This study identifies CDK9 as a potential target in heart failure therapeutics.
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