Methylation Profile of miR-9-1 and miR-9-1/-9-3 as Potential Biomarkers of Diabetic Retinopathy.

Current diabetes reviews 2021

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Analysis of the relationship between the methylation profile of miR-9-1 or miRs -9-1 / -9-3 and diabetic retinopathy. Diabetic Retinopathy (DR) is a frequent complication of Diabetes mellitus and it has a decisive impact on the quality of life, as it is one of the biggest causes of blindness in the adult population. Levels of microRNA-9 have been shown to be related to diabetes but little is known about its involvement with DR in humans. To analyze the relationship between the methylation profile of miR-9-1 or miRs -9-1/-9-3 and DR. 103 patients diagnosed with diabetes for 5 to 10 years were analyzed. The data were categorized according to clinical, biochemical, lifestyle and anthropometric parameters. DNA extracted from leukocyte samples was used to determine the methylation profile of miRs-9-1 and -9-3 using a specific methylation PCR assay. miR-9-1 methylation was related to diabetic retinopathy, indicating that methylation of this miR increases the chances of presenting retinopathy up to 5 times. In our analyses, diabetics with lower levels of creatinine and CRP showed significant reductions (99% and 97%) in presenting DR. Methylation of both miRs-9-1 and 9-3 methylated increases the chances of presenting DR by 8 times; in addition, a sedentary lifestyle can increase the risk for the same complication by up to 6 times. Our results suggest that both methylation of miR-9-1 and e miRs-9-1 / 9-3 favors DR in patients with diabetes in a period of 5 to 10 years of diagnosis. Copyright© Bentham Science Publishers; For any queries, please email at epub@benthamscience.net.

Citation

Caroline Severo de Assis, Alexandre Sérgio Silva, Mayara Karla Dos Santos Nunes, João Modesto Filho, Rayner Anderson Ferreira do Nascimento, Cecília Neta Alves Pegado Gomes, Isabella Wanderley de Queiroga Evangelista, Naila Francis Paulo de Oliveira, Darlene Camati Persuhn. Methylation Profile of miR-9-1 and miR-9-1/-9-3 as Potential Biomarkers of Diabetic Retinopathy. Current diabetes reviews. 2021;17(6):e123120189795