ArticlePharmacological research2025
Targeting adenosine 2A receptor signaling suppresses vascular calcification by restraining smooth muscle osteogenic differentiation.
Article in Pharmacological research, 2025. 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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Who cites it
2 citing papers in PubMed.
- Adenosine receptor signaling in vascular diseases: from molecular mechanisms to targeted therapeutics.Acta pharmacologica Sinica · 2026Review
- Identification of hub targets involved in carotid atherosclerosis through bioinformatics and machine learning approaches.BMC cardiovascular disorders · 2026Article
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Authors and funding
18 authors.
Funding
Abstract
Vascular calcification (VC) is a major contributor to cardiovascular morbidity and mortality, particularly in patients with chronic kidney disease (CKD). Adenosine 2 A receptor (ADORA2A) is highly expressed in vascular cells and implicated in cardiovascular disease; however, its specific role in VC pathogenesis remains unclear. Here, we investigated the role of ADORA2A using in vitro (vascular smooth muscle cells; VSMCs), ex vivo (mouse aortic rings), and in vivo (5/6th nephrectomy with high phosphate and cholecalciferol) models of VC. The ADORA2A expression was significantly upregulated in calcified human and murine aortic tissues, as well as in VSMCs, under osteogenic conditions. Genetic deletion of Adora2a (global or VSMC-specific) or pharmacological antagonism of ADORA2A markedly attenuated aortic calcification and the expression of osteogenic markers in vivo. Consistent findings were observed in in vitro and ex vivo models. Conversely, ADORA2A overexpression exacerbated the osteogenic differentiation and calcification of VSMCs. Mechanistically, ADORA2A promoted VSMC osteogenic differentiation by facilitating cAMP-responsive element-binding protein 1 (CREB1) binding to the runt-related transcription factor 2 (RUNX2) promoter, thereby enhancing RUNX2 transcription and subsequent mineralization. Our findings reveal that ADORA2A drives VC through the cAMP/CREB1/RUNX2 signaling axis in VSMCs. Therefore, targeting ADORA2A represents a potential strategy for mitigating VC in CKD.
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