ArticlePathophysiology : the official journal of the International Society for Pathophysiology2024
High Glucose Induces Oxidative Stress That Alters Glycocalyx Proteoglycan Levels in Primary Rat Retinal Microvascular Endothelial Cells and in Isolated Ophthalmic Arteries.
Article in Pathophysiology : the official journal of the International Society for Pathophysiology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 5 citations in OpenAlex.
- Regenerative Therapies for Cosmetic Dermatology for Patients with Diabetes Mellitus: Skin Aging, Aesthetic Concerns, and Evidence-Based Best Practices.International journal of molecular sciences · 2026Review
- Targeting endoplasmic reticulum stress in diabetic retinopathy: mechanistic insights and emerging therapies.Biological research · 2026Review
- Endothelial Surface Glycocalyx in Vascular Functions and Diseases.Advances in experimental medicine and biology · 2026Review
- Benzydamine Attenuates Matrix Metalloproteinase-9 Expression Through Inhibition of ERK MAPK in Activated Human Monocytic Cells Under Hyperglycemic Condition.Mediators of inflammation · 2026Article
- Endothelial barrier and sepsis: mechanisms and potential therapeutic strategies.Military Medical Research · 2026Review
- Screening and Functional Analysis of tsRNAs Associated with Diabetic Foot Ulcer Tissues.Biomedicines · 2025Article
- Methamphetamine-Induced Loss of Syndecan-1 and Retinal Endothelial Integrity via the TAAR-1/MMP-9 Pathway.Pathophysiology : the official journal of the International Society for Pathophysiology · 2025Article
- Retinal Angiogenesis in Methamphetamine Self-Administration Rats.Investigative ophthalmology & visual science · 2025Article
- Aqueous humor levels of syndecan-1 and syndecan-4 associated with OCTA metrics in diabetic retinopathy.Frontiers in medicine · 2025Article
- Mechanisms of retinal photoreceptor loss in spontaneously hypertensive rats.Experimental eye research · 2024Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
Abstract
Our purpose in this study was to identify the role played by oxidative stress in the changes to proteoglycans that occur under hyperglycemic conditions, using primary rat retinal microvascular endothelial cells (RRMEC) and cultured ophthalmic arteries. The cells and blood vessels obtained from rats were cultured in normal glucose (5.6 mM) and high glucose (25 mM) with or without N-acetylcysteine (NAC), an antioxidant. Intracellular oxidative stress was determined by measuring dihydroethidium (DHE) fluorescence and malondialdehyde (MDA)-modified protein levels. mRNA and protein levels were evaluated using quantitative real-time polymerase chain reaction and immunoblot, respectively. High glucose increased levels of glypican-1 mRNA and protein. The level of syndecan-1 mRNA also was increased, but its protein level was decreased, by high glucose. Evaluation of DHE and MDA showed that high glucose increased oxidative stress. These changes caused by high glucose were significantly reversed by NAC treatment. Matrix metalloproteinase-9 (MMP-9) levels, which increased under high glucose conditions, were suppressed by NAC treatment. Oxidative stress caused by hyperglycemia may be responsible for significant changes to the ocular endothelial glycocalyx.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.