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Introduction: Under the diabetic condition, sustained production of oxidative/nitrosative stress results in irreversible vascular injuries. A great number of diabetic pathologies, such as inefficient or aberrant neo-angiogenesis emerge following chronic hyperglycemic condition. Lack of enough data exists regarding hydroxychloroquine (HCQ) contribution on angiogenesis during diabetes mellitus.

Methods: To better address whether HCQ could blunt or exacerbate oxidative status and angiogenesis under high glucose condition (HCG), human umbilical vein endothelial cells (HUVECs) were exposed to 30 µM HCQ in combination with 30 mM glucose over a course of 72 hours. Viability was measured was evaluated by MTT assay. We used Griess method and TBARS assay to monitor changes in the levels of NO and MDA followed by …