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      Aldose reductase inhibitor counteracts the enhanced expression of matrix metalloproteinase-10 and improves corneal wound healing in galactose-fed rats.

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          Abstract

          We investigated the effect of an aldose reductase inhibitor (ARI) and the role of matrix metalloproteinase (MMP)-10 on recovery after corneal epithelium removal in a rat diabetic keratopathy model.

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          Most cited references39

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          Oxidative stress in normal and impaired wound repair.

          A large percentage of the population suffers from wound healing abnormalities, in particular aged individuals, patients with diabetes, and those treated with immunosuppressive drugs, chemo- or radiotherapy. The mechanisms underlying the impaired healing response are still poorly understood. Recent studies provided strong evidence for a role of oxidative stress in the pathogenesis of non-healing ulcers. Therefore, it is of major importance to identify and functionally characterize the factors involved in the generation and detoxification of reactive oxygen species (ROS). This will provide the basis for the development of new strategies for therapeutic intervention. In this review we summarize the current information about the roles of low molecular weight antioxidants and ROS-detoxifying enzymes in normal and impaired wound repair, and we report on the consequences of their modulation at the wound site.
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            Diabetic retinopathy.

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              Demonstration that polyol accumulation is responsible for diabetic cataract by the use of transgenic mice expressing the aldose reductase gene in the lens.

              Aldose reductase (AR) has been implicated in the etiology of diabetic cataract, as well as in other complications. However, the role of AR in these complications remains controversial because the strongest supporting evidence is drawn from the use of AR inhibitors for which specificity in vivo cannot be ascertained. To settle this issue we developed transgenic mice that overexpress AR in their lens epithelial cells and found that they become susceptible to the development of diabetic and galactose cataracts. When the sorbitol dehydrogenase-deficient mutation is also present in these transgenic mice, greater accumulation of sorbitol and further acceleration of diabetic cataract develop. These genetic studies demonstrated convincingly that accumulation of polyols from the reduction of hexose by AR leads to the formation of sugar cataracts.
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                Author and article information

                Journal
                Mol. Vis.
                Molecular vision
                1090-0535
                1090-0535
                2013
                : 19
                Affiliations
                [1 ] Department of Ophthalmology, Faculty of Medical Sciences, University of Fukui, Eiheiji-cho, Yoshida-gun, Fukui, Japan.
                Article
                3857161
                24339723
                3d4429fb-e9c1-4bdf-b031-fe1614031d00
                History

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