Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1190633 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR31511600_1.fastq.gz | Fastqsanger.gz | |||
| SRR31511600_2.fastq.gz | Fastqsanger.gz | |||
| SRR31511601_1.fastq.gz | Fastqsanger.gz | |||
| SRR31511601_2.fastq.gz | Fastqsanger.gz | |||
| SRR31511602_1.fastq.gz | Fastqsanger.gz |
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Project description:Background The mysterious chronic kidney disease is multifactorial causes. One of the risk factors is leptospirosis, a re-emerging infectious disease caused by Leptospira spp., for endemic leptospirosis tend to coincide with high-incidence regions of chronic kidney disease of unknown etiology. This study aims to investigate the role of leptospirosis as an emerging culprit in which chronic subclinical kidney injury, may predispose to progressive kidney disease when superimposed on secondary nephrotoxic injury. Methods Adenine-induced renal injury in chronic leptospira-infected C57/BL6 mice were studied for evaluating the renal function, histology and gene expression changes. We employed RNA sequencing-based renal transcriptome to investigate pathogenic pathways associated with secondary nephrotoxic injury in chronic kidney injury due to leptospirosis. Results The severity of kidney lesions was increased and the expression of immune/inflammation/fibrosis genes were significantly up-regulated in either low-dose (0.1%) and high-dose (0.2%) adenine-induced renal injury superimposed on infected mice. Whole renal transcriptome analysis reveals that the substantial amplification of the tremendous amount of expressed genes and fibrosis-related pathways was found in adenine-induced kidney injury add-on to leptospira-infected mice which correlated with kidney dysfunction and fibrosis compared to infection or adenine itself. A total of 41 differentially expressed genes associated with fibrosis were identified in infected mice fed with adenine, suggesting that these potential genes contributed to aggravated renal progression occurred in adenine-fed chronic leptospira-infected mice. Conclusions In summary, this study indicates that chronic subclinical kidney infection when exposed to different degree of secondary nephrotoxic injury may predispose to exacerbated and progressive chronic kidney disease.
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Project description:The mechanisms of chronic kidney disease-associated secondary hyperparathyroidism are partially understood. In this project we aimed to gain new information and propose research hypotheses by proteome and phosphoproteome profiling of normal and hyperplastic rat parathyroid glands. Glands were microdissected from rats on normal control diet or CKD-inducing high adenine diet enriched with phosphorus to produce secondary hyperparathyroidism. Protein extracts were pooled from 4 glands (2 rats) for proteome profiling (3 normal and 3 CKD pools), and from 12 glands (6 rats) for phosphoproteome profiling (2 normal and 2 CKD pools).
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Project description:Vascular calcification contributes to high cardiovascular mortality in chronic kidney disease (CKD) patients. An association between the uremic toxins indoxyl sulfate (IS) and p-cresyl sulfate (PCS) and cardiovascular disease has been suggested. This study provides strong etiological evidence for indoxyl sulfate and p-cresyl sulfate as major contributors to vascular calcification in chronic kidney disease patients. Continuous exposure to indoxyl sulfate or p-cresyl sulfate in rats with chronic kidney disease promotes moderate to severe calcification in the aorta and peripheral vessels. Unbiased proteomic analyses of arterial samples coupled to functional bioinformatics annotation analysis revealed that calcification events were associated with acute phase response signaling, coagulation and glucometabolic signaling pathways, while escape from toxin-induced calcification was linked with liver X receptors and farnesoid X/liver X receptor signaling pathways. Activation of inflammation and coagulation pathways in the arterial wall plays a pivotal role in toxin-induced calcification and strongly associates with hyperglycemia and insulin resistance. These findings reveal new perspectives to establish novel therapeutic targets to prevent, halt progression or cure vascular calcification.
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