ArticleDiabetes & metabolism journal2026
Targeting SLC25A33 Suppresses Vascular Smooth Muscle Cell Proliferation and Migration by Reducing Cytosolic mtDNA Levels: Implications for Occlusive Vascular Diseases.
Article in Diabetes & metabolism journal, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Nucleotide metabolic reprogramming: a "double-edged sword" in obesity-related inflammation-from metabolic adaptation to pathological imbalance.Journal of physiology and biochemistry · 2026Review
- Factors Modulating Mitochondrial Function after Arterial Injury: Past-to-Present Evidence for the Devising of Future Preventive and Therapeutic Strategies.Journal of cardiovascular translational research · 2026Review
- SLC25 in intestinal inflammation: mechanisms, pathological roles, and therapeutic implications.Frontiers in immunology · 2026Review
- Shared molecular mechanisms of vascular endothelial cells in psoriasis and diabetes comorbidity.Postepy dermatologii i alergologii · 2026Article
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7 authors.
Funding
Abstract
backgruoundVascular smooth muscle cells (VSMCs) play a crucial role in the development of occlusive vascular diseases through abnormal proliferation and migration. This pathological behavior is closely associated with mitochondrial reactive oxygen species (ROS)-mediated mitochondrial DNA (mtDNA) damage. The mitochondrial carrier protein solute carrier family 25 member 33 (SLC25A33), essential for nucleoside transport, is integral to mtDNA production. This study aimed to investigate the effects of SLC25A33 inhibition on the proliferation and migration of VSMCs, as well as its impact on neointima formation.
methodsVSMCs were isolated from the thoracic aorta of 4-week-old Sprague-Dawley rats. The effects of small interfering RNAinduced silencing of SLC25A33 mRNA on platelet-derived growth factor (PDGF)-induced proliferation and migration of VSMCs were analyzed. The in vivo effects of targeting the SLC25A33 gene on neointima formation were evaluated using a murine carotid artery ligation model by perivascularly applying Lenti-shSLC25A33 with Pluronic F-127 gel.
resultsFirst, we observed an upregulation of the SLC25A33 protein in the carotid artery ligation-induced neointima in mice. Silencing of SLC25A33 suppressed the PDGF-stimulated proliferation and migration of VSMCs and cell cycle progression. Knockdown of SLC25A33 inhibited PDGF-induced production of mtDNA and ROS, consequently inactivating the cyclic GMP-AMP synthesis (cGAS)-stimulator of interferon genes (STING)-TANK-binding kinase 1 (TBK1)-nuclear factor kappa B (NF-κB) pathway. Furthermore, the downregulation of SLC25A33 reduced carotid artery ligation-induced neointima in mice.
conclusionThis study suggests that targeting SLC25A33 in VSMCs could be a novel therapeutic strategy to prevent occlusive vascular diseases.
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