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Neurodegeneration as a Primary Change and Role of Neuroprotection in Diabetic Retinopathy

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Abstract

Diabetic retinopathy (DR) was earlier recognized as a vascular disease, but nowadays, it is considered as a neurovascular disorder. Neuronal death is the primary change which leads to various vascular changes which are visible to an ophthalmologist. But these changes are feature of an advanced disease and can affect vision at any moment of time. There are various evidences which suggests that glutamate excitotoxicity, hyperhomocysteinemia, kynurenic acid, and erythro-poietin plays important role in causation of retinal ganglionic cell apoptosis in diabetic patients. Adaptive optics, a new imaging technique, also showed that loss of photoreceptors (specialized neurons) is the early change in diabetic retinopathy. These changes suggest DR as a neurovascular disorder. Neuroprotective agents also showed good results in delaying progression of DR especially memantine, insulin receptor activation, and neurotrophic factors. More research in this field will help us to find novel therapeutic measures for DR, which can delay or even stop progression of DR at a very early stage.

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  1. H. No. 102 GHS 51 sector 20, Panchkula, Haryana, India

    Vishal Jindal

  2. GMCH, Chandigarh, India

    Vishal Jindal

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Jindal, V. Neurodegeneration as a Primary Change and Role of Neuroprotection in Diabetic Retinopathy. Mol Neurobiol 51, 878–884 (2015). https://doi.org/10.1007/s12035-014-8732-7

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