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Caveolin-1 upregulation in diabetic fibroblasts and wounded tissues: implication for understanding the underlying mechanisms of non-healing diabetic ulcers.
Abstract A heightened state of oxidative stress and senescence of fibroblasts constitute potential therapeutic targets in non-healing diabetic wounds. Here, we studied the underlying mechanism mediating diabetes-induced cellular senescence using in vitro cultured dermal fibroblasts and in vivo circular wounds. Our results demonstrated that the total antioxidant capacity, mRNA levels of thioredoxinreductase and glucose-6-phosphate dehydrogenase as well as the ratio of NADPH/NADP were markedly decreased in fibroblasts from patients with type 2 diabetes (DFs). Consistent with this shifts in favor of excessive reactiv...
Source: American Journal of Physiology. Endocrinology and Metabolism - August 13, 2013 Category: Physiology Authors: Bitar MS, Abdel-Halim SM, Al-Mulla F Tags: Am J Physiol Endocrinol Metab Source Type: research