ArticleJournal of vascular research2015
Hyperglycemia-Induced Modulation of the Physiognomy and Angiogenic Potential of Fibroblasts Mediated by Matrix Metalloproteinase-2: Implications for Venous Stenosis Formation Associated with Hemodialysis Vascular Access in Diabetic Milieu.
Article in Journal of vascular research, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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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
3 citing papers in PubMed, 6 citations in OpenAlex.
- Effect of local anti-vascular endothelial growth factor therapy to prevent the formation of stenosis in outflow vein in arteriovenous fistula.Journal of translational internal medicine · 2021Article
- The blood-gas barrier in COVID-19: an overview of the effects of SARS-CoV-2 infection on the alveolar epithelial and endothelial cells of the lung.Tissue barriers · 2021Review
- Dihydrolycorine Attenuates Cardiac Fibrosis and Dysfunction by Downregulating Runx1 following Myocardial Infarction.Oxidative medicine and cellular longevity · 2021Article
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Authors and funding
4 authors at 3 institutions in 2 countries.
Funding
Abstract
purposeIt is hypothesized that venous stenosis formation associated with hemodialysis vascular-access failure is caused by hypoxia-mediated fibroblast-to-myofibroblast differentiation accompanied by proliferation and migration, and that diabetic patients have worse clinical outcomes. The aim of this study was to determine the functional and gene expression outcomes of matrix metalloproteinase-2 (Mmp-2) silencing in fibroblasts cultured under hyperglycemia and euglycemia with hypoxic and normoxic stimuli. MATERIALS AND
methodsAKR-2B fibroblasts were stably transduced using lentivirus-mediated shRNA-Mmp-2 or scrambled controls and subjected to hypoxia or normoxia under hyperglycemic or euglycemic conditions for 24 and 72 h. Gene expression of vascular endothelial growth factor-A (Vegf-A), Vegfr-1, Mmp-2, Mmp-9 and tissue inhibitors of matrix metalloproteinases (Timps) were determined by RT-PCR. Collagen I and IV secretion and cellular proliferation and migration were determined.
resultsUnder hyperglycemic conditions, there is a significant reduction in the average gene expression of Vegf-A and Mmp-9, with an increase in Timp-1 at 24 h of hypoxia (p < 0.05) in Mmp-2-silenced fibroblasts when compared to controls. In addition, there is a decrease in collagen I and IV secretion and cellular migration. The euglycemic cells were able to reverse these findings.
conclusionThese findings demonstrate the rationale for using anti-Mmp-2 therapy in dialysis patients with hemodialysis vascular access in helping to reduce stenosis formation.
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