Expression of miRNAs in the kidneys of db/db mouse
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ABSTRACT:
PROVIDER: PRJNA679779 | ENA |
REPOSITORIES: ENA
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Project description:The microRNAs (miRNAs) that can influence diabetic kidney disease (DKD) have not been fully characterized. The aim of this study was to identify the miRNAs that affect DKD and could be used as specific biomarkers or therapeutic agents. First, kidneys from two DKD mouse models were screened for differences in miRNA expression from control mice. We found that miRNA-125b-5p and miRNA-181-5p were specifically differentially expressed in the kidneys of DKD mice. Next, we administered miRNA-181b-5p-mimic to DKD mice, which reduced the albuminuria and abnormal mesangial expansion. Pathway analysis revealed that overexpression of miRNA-181-5p significantly altered the expression of 51 genes in the kidneys of DKD mice. Furthermore, the serum level of miRNA-125b-5p was significantly higher and that of miRNA-181-5p was lower in patients with DKD than in patients with other kidney diseases. These results suggest that miRNA-125b-5p and miRNA-181b-5p may represent novel diagnostic biomarkers and that miRNA-181b-5p may represent a therapeutic target for DKD.
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Project description:The microRNAs (miRNAs) that can influence diabetic kidney disease (DKD) have not been fully characterized. The aim of this study was to identify the miRNAs that affect DKD and could be used as specific biomarkers or therapeutic agents. First, kidneys from two DKD mouse models were screened for differences in miRNA expression from control mice. We found that miRNA-125b-5p and miRNA-181-5p were specifically differentially expressed in the kidneys of DKD mice. Next, we administered miRNA-181b-5p-mimic to DKD mice, which reduced the albuminuria and abnormal mesangial expansion. Pathway analysis revealed that overexpression of miRNA-181-5p significantly altered the expression of 51 genes in the kidneys of DKD mice. Furthermore, the serum level of miRNA-125b-5p was significantly higher and that of miRNA-181-5p was lower in patients with DKD than in patients with other kidney diseases. These results suggest that miRNA-125b-5p and miRNA-181b-5p may represent novel diagnostic biomarkers and that miRNA-181b-5p may represent a therapeutic target for DKD.
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Project description:We have established a new fructose-overconsumption model using db/db mice, which showed more advanced kidney damage compared to the conventional db/db mouse model. To elucidate the mechanism of kidney injury caused by excessive fructose intake, we performed single-cell RNA analysis on the kidneys from this fructose-overconsumption model.
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Project description:Expression Signatures of diabetic mouse and miR-181b-5p overexpression in db/db mouse
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Project description:The goal of this project is to obtain the expression pattern of miRNAs in wild type kidneys at various ages during development. The data is obtained from mouse kidneys of ages P0, P7, P14, P21 and P35. The analysis compares the expression levels of miRNAs between the age groups.
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Project description:The microRNAs (miRNAs) that can influence diabetic kidney disease (DKD) have not been fully characterized. The aim of this study was to identify the miRNAs that affect DKD and could be used as specific biomarkers or therapeutic agents. First, kidneys from two DKD mouse models were screened for differences in miRNA expression from control mice. We found that miRNA-125b-5p and miRNA-181-5p were specifically differentially expressed in the kidneys of DKD mice. Next, we administered miRNA-181b-5p-mimic to DKD mice, which reduced the albuminuria and abnormal mesangial expansion. Pathway analysis revealed that overexpression of miRNA-181-5p significantly altered the expression of 51 genes in the kidneys of DKD mice. Furthermore, the serum level of miRNA-125b-5p was significantly higher and that of miRNA-181-5p was lower in patients with DKD than in patients with other kidney diseases. These results suggest that miRNA-125b-5p and miRNA-181b-5p may represent novel diagnostic biomarkers and that miRNA-181b-5p may represent a therapeutic target for DKD.
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2015-09-01 | E-GEOD-70527 | biostudies-arrayexpress