Ontology highlight
ABSTRACT:
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| CAR_Batch2_107Samples.vcf.gz | Vcf | |||
| CAR_Batch2_107Samples.vcf.gz.tbi | Vcf | |||
| CAR_Batch1_106Samples.vcf.gz | Vcf | |||
| CAR_Batch1_106Samples.vcf.gz.tbi | Vcf | |||
| CAR_Batch3_108Samples.vcf.gz | Vcf |
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Project description:The precise physiological mechanisms of cardio-renal syndrome are yet to be elucidated. In order to investigate the molecular basis of cardio-renal syndrome, we established a mouse model for cardio-renal syndrome by the combination of abdominal aortic banding and uninephrectomy. Renal function of the cardio-renal syndrome mice was synergistically decreased compared with that of mice that underwent uninephrectomy alone. To investigate the molecules involved in the deterioration renal function in the AbNx mice, we conducted comprehensive gene expression analysis using DNA array by comparing the molecules expressed in the remained kidney of AbNx mice with those of Nx mice.
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Project description:The precise physiological mechanisms of cardio-renal syndrome are yet to be elucidated. In order to investigate the molecular basis of cardio-renal syndrome, we established a mouse model for cardio-renal syndrome by the combination of abdominal aortic banding and uninephrectomy. Renal function of the cardio-renal syndrome mice was synergistically decreased compared with that of mice that underwent uninephrectomy alone. To investigate the molecules involved in the deterioration renal function in the AbNx mice, we conducted comprehensive gene expression analysis using DNA array by comparing the molecules expressed in the remained kidney of AbNx mice with those of Nx mice. We conducted abdominal aorta banding or sham operation at 0 week, then We conducted uninephrectomy or sham operation at 2 week. We removed these kidney 6week after the uninephrectomy. These RNA samples were purified from the homogenized kidneys.
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Project description:Background: Despite endothelial dysfunction being considered as the initial step of the development of hypertension and associated cardio-renal syndromes, effective therapeutic strategies to prevent endothelial injuries are still lacking. GPR183 is a recently identified GPCR for oxysterols and hydroxylated metabolites of cholesterol. Here, we explored a previously unappreciated role of GPR183 in hypertension and age-related cardio-renal injuries. Methods and results: Mice were treated with DOCA/Salt or AngII to induce hypertension. we found that endothelial GPR183 was significantly induced in aged or hypertensive mice, which was further confirmed in renal biopsies from elderly people or subjects with hypertensive nephropathy. In addition, we found that endothelial-specific GPR183 deletion markedly ameliorated endothelial senescence and cardio-renal injuries in hypertensive mice. Mechanistically, we found that GPR183 disrupted circadian signaling by inhibiting PER1 expression, thereby facilitating endothelial senescence and dysfunction through the cAMP/PKA/CREB signaling pathway. Importantly, pharmacological inhibition of the oxysterol-GPR183 axis by NIBR189 or Clotrimazole ameliorated endothelial senescence and cardio-renal injuries in hypertensive mice. Conclusions: GPR183 is an attractive therapeutic target for hypertension and age-related diseases. Targeting GPR183 could provide novel strategies for managing hypertension and its associated cardio-renal injuries.
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