ArticleActa physiologica (Oxford, England)2025
Hypotaurine Reduces Glucose-Mediated Vascular Calcification.
Article in Acta physiologica (Oxford, England), 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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2 citing papers in PubMed.
- Macrophage membrane-biomimetic nanovehicles delivering amygdalin halt pyroptosis propagation and alleviate endometriosis-associated neuropathic pain.Materials today. Bio · 2026Article
- Hypotaurine Reduces Glucose-Mediated Vascular Calcification.Acta physiologica (Oxford, England) · 2025Article
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10 authors.
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Abstract
aimVascular calcification (VC), a characteristic feature of peripheral artery disease in patients with diabetes and chronic kidney disease, has been associated with poor prognosis. We hypothesize that hyperglycemia drives VC through alterations in metabolomic and transcriptomic profiles.
methodsHuman coronary artery smooth muscle cells (SMCs) were cultured with 0, 5.5, and 25 mM glucose under calcifying conditions. Untargeted metabolomic and transcriptomic analyses were performed at different time points. Mitochondrial respiration was examined using Seahorse analysis.
resultsGlucose-treated SMCs promoted extracellular matrix (ECM) calcification in a concentration- and time-dependent manner. The absence of glucose entirely abolished SMC calcification but reduced SMC proliferation in control and calcifying conditions compared to 25 mM glucose. Multi-omics data integration revealed key players from the hypotaurine/taurine metabolic pathway as the center hub of the reconstructed network. Glucose promoted the hypotaurine secretion, while its intracellular abundance was not altered. Blocking hypotaurine production by propargylglycine increased ECM calcification, while hypotaurine treatment prevented it. Furthermore, omics data suggest energy remodeling in calcifying SMCs under hyperglycemia. Calcifying SMCs exhibited decreased oxygen consumption that was partially restored by hypotaurine. Validation of our in vitro models using the murine warfarin model demonstrated reduced hypotaurine/taurine transporter (TAUT) expression in SMCs.
conclusionsOur multi-omics analysis revealed a role of the hypotaurine/taurine metabolic pathway in glucose-induced SMC calcification. Moreover, our data suggest a glucose-dependent energy remodeling in calcifying SMCs and that increasing glucose concentrations fuel ECM calcification. Our work highlights potential novel therapeutic targets that warrant further investigation in hyperglycemia-dependent in vitro SMC calcification.
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