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Blockade of Wnt secretion by LGK974 after ischemia reperfusion injury

ABSTRACT: Blockade of Wnt secretion by LGK974 after ischemia reperfusion injury

PROVIDER: PRJNA769105 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR16217943_1.fastq.gz	Fastqsanger.gz
	SRR16217943_2.fastq.gz	Fastqsanger.gz
	SRR16217944_1.fastq.gz	Fastqsanger.gz
	SRR16217944_2.fastq.gz	Fastqsanger.gz
	SRR16217945_1.fastq.gz	Fastqsanger.gz

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Blockade of Wnt secretion by LGK974 after ischemia reperfusion injury

Project description:The LAD of C57BL6 mice were temporally occluded to induce ischemia-reperfusion injury of the heart. Mice received a daily dose of the porcupine inhibitor LGK974 starting directly after the surgery to prevent Wnt protein secretion. Control animals received a DMSO vehicle control. Hearts were extracted 48h after induction of ischemia-reperfusion injury. The infarcted area was identified and processed for RNAseq analysis.

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Project description:Recently, acute kidney injury (AKI) is thought to develop a predisposition toward chronic kidney disease. But the detailed mechanism of the disease progression after AKI is unknown. We made two ischemia-reperfusion injury (IRI) mice models, repaired kidney model and atrophic kidney model, and studied the mechanism that kidney after IRI became atrophy. We found that the atrophy kidney model had two peaks of apoptosis 3 and 14 days after IRI, whereas the repaired kidney model had only one apoptosis peak 3 days after IRI. We showed that the second apoptosis is responsible for the kidney atrophy. Moreover, apoptotic ligands, TNFα and FasL were upregulated at the same time of two apoptosis peaks on the atrophic kidney, and blockade of them before IRI prevented kidney from falling into atrophy. Surprisingly, inhibition of the second apoptosis by anti-TNFα antibody protected from renal atrophy. We propose that apoptosis might play a major role in AKI progression and blockade of TNFα after IRI will be a new therapeutic approach for AKI.

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Project description:NRVMs were subjected to varying durations of ischemia or ischemia+reperfusion using coverslip hypoxia. Expression profiling was used to identify genes that are differentially regulated in either event. We used microarrays to detail the global program of gene expression underlying ischemia and reperfusion using Coverslip Hypoxia and identified distinct classes of genes regulated during these processes. Experiment Overall Design: RNA was extracted from NRVMs subjected to varying durations of ischemia or ischemia+reperfusion and hybridized to rat genome Affymetrix arrays.

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Project description:Time course experiments involving bilateral renal ischemia reperfusion injury (IRI) in C57BL/6J mice (0 hr control, 20 min bilateral ischemia without reperfusion, 4, 16, 24, 36, 48, and 72 hrs post IRI). This dataset also includes IRI at 48 hrs and 72 hrs in Azin1 A-to-I locked and Azin1 A-to-I uneditable mice.

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