ArticlePloS one2017
Focal induction of ROS-release to trigger local vascular degeneration.
Article in PloS one, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Corylin Confers Vasoprotection via JDP2-Nrf2 Antioxidant Axis against Chronic Kidney Disease-Induced Smooth Muscle Cell Remodelling.Journal of cellular and molecular medicine · 2026Article
- The Focal Induction of Reactive Oxygen Species in Rats as a Trigger of Aortic Valve Degeneration.Antioxidants (Basel, Switzerland) · 2024Article
- Degenerative changes of the aortic valve during left ventricular assist device support.ESC heart failure · 2022Article
- Heme-Mediated Activation of the Nrf2/HO-1 Axis Attenuates Calcification of Valve Interstitial Cells.Biomedicines · 2021Article
- Mitochondrial Dysfunction: Cause or Consequence of Vascular Calcification?Frontiers in cell and developmental biology · 2021Review
- Regulation of Vascular Calcification by Reactive Oxygen Species.Antioxidants (Basel, Switzerland) · 2020Review
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Authors and funding
8 authors.
Funding
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Abstract
Reactive oxygen species (ROS) play an important role in the process of cardiovascular degeneration. We evaluated the potential of a controlled, local induction of ROS-release by application of rose bengal (RB) and photo energy to induce atherosclerosis-like focal vascular degeneration in vivo. After injection of RB, rats fed with a pro-degenerative diet underwent focal irradiation of the abdominal aorta by a green laser (ROS group), while the controls received irradiation without RB. Aortic tissue was analyzed by histology and immunohistochemistry at 0, 2, 4, 8, 28 and 56 days (n = 5). The intimal surface topography was analyzed by scanning electron microscopy. In the ROS group, an initial thrombus formation had disappeared by day 8. Similarly, ROS-derived products displayed the highest concentrations at day 0. Relative matrix metalloproteinase (MMP) activity achieved a maximum after 8 days (ROS group vs. CONTROL GROUP: 1.60 ± 0.11 vs. 0.98 ± 0.01; p < 0.001). After 28 days, no significant differences in any aspect were found between the ROS group and the controls. However, after 56 days, the aortic tissue of ROS animals exhibited relative media-pronounced thickening (ROS vs. CONTROL: 2.15 ± 0.19 vs. 0.87 ± 0.10; p < 0.001) with focal calcification and reduced expression of alpha smooth muscle actin (aSMA). The ROS-releasing application of RB and photo energy allowed for the induction of vascular degeneration in a rodent model. This protocol may be used for the focal induction of vascular disease without systemic side effects and can thereby elucidate the role of ROS in the multifactorial processes of vessel degeneration and atherogenesis.
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