Author:
Raimundo Joyce Regina Santos,da Costa Aguiar Alves Beatriz,Encinas Jéssica Freitas Araujo,Siqueira Andressa Moreira,de Gois Katharyna Cardoso,Perez Matheus Moreira,Petri Giuliana,dos Santos José Francisco Ramos,Fonseca Fernando Luiz Affonso,da Veiga Glaucia Luciano
Abstract
AbstractHyperglycemia leads to microvascular lesions in various tissues. In diabetic nephropathy—DN, alterations in usual markers reflect an already installed disease. The study of new biomarkers for the early detection of diabetic complications can bring new prevention perspectives. Rats were divided into diabetic adult—DMA—or elderly—DME and control sham adult—CSA—or control sham elderly—CSE. Blood and urine samples were collected for biochemical analysis. Bulbar region, cardiac, hepatic and renal tissues were collected for target gene expression studies. As result, DMA showed decreased TNFR1, MCT1 and CD147 expression in the bulbar region, TNFR1 in the heart, VEGFA and CD147 in the kidney and TNFR1 in blood. Positive correlations were found between TNFR1 and MCT1 in the bulbar region and HbA1c and plasma creatinine, respectively. DME showed positive correlation in the bulbar region between TNFR1 and glycemia, in addition to negative correlations between CD147 in the heart versus glycemia and urea. We concluded that the initial hyperglycemic stimulus already promotes changes in the expression of genes involved in the inflammatory and metabolic pathways, and aging alters this profile. These changes prior to the onset of diseases such as DN, show that they have potential for early biomarkers studies.
Funder
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Fundação de Amparo à Pesquisa do Estado de São Paulo
Publisher
Springer Science and Business Media LLC
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