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  • Title: Plasma miR-193a-3p can be a potential biomarker for the diagnosis of diabetic nephropathy.
    Author: Hong Y, Wang J, Zhang L, Sun W, Xu X, Zhang K.
    Journal: Ann Clin Biochem; 2021 Mar; 58(2):141-148. PubMed ID: 33302703.
    Abstract:
    BACKGROUND: Diabetic nephropathy is one of the most common microvascular complications in patients with diabetes. MicroRNA (miRNA, miR) is closely related to the formation, development and pathophysiology of diabetic nephropathy. We aimed to investigate whether miR-193a-3p could be used as a potential biomarker for the diagnosis of diabetic nephropathy. METHODS: Plasma samples were collected from all the participants. TaqMan Low Density Array analysis was employed to obtain the miRNA profiles of plasma samples, and qRT-PCR was used to confirm the result. Receiver operating characteristic curves were employed to evaluate the specificity and sensitivity of miR-193a-3p for predicting diabetic nephropathy. RESULTS: The expression of miR-193a-3p and miR-320c was elevated and miR-27a-3p was decreased in diabetic nephropathy patients compared to patients with type 2 diabetes and healthy controls. We found that, in diabetic nephropathy patients, the elevated miR-193a-3p expression had a negative correlation with the level of evaluate glomerular filtration rate, while a positive correlation with the level of proteinuria. We further demonstrated that miR-193a-3p could be employed to distinguish patients with diabetic nephropathy. The Kaplan-Meier analysis showed that the high expression of miR-193a-3p significantly shortened the dialysis-free survival of diabetic nephropathy patients. CONCLUSION: In conclusion, miR-193a-3p is involved in diabetic nephropathy pathogenesis and may serve as a potentially novel diagnostic biomarker for diabetic nephropathy.
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