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The effects of JAK inhibition on SARS-CoV-2-induced kidney injury

ABSTRACT: The effects of JAK inhibition on SARS-CoV-2-induced kidney injury

PROVIDER: PRJNA1048483 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR27054190.fastq.gz	Fastqsanger.gz
	SRR27054191.fastq.gz	Fastqsanger.gz
	SRR27054192.fastq.gz	Fastqsanger.gz
	SRR27054193.fastq.gz	Fastqsanger.gz
	SRR27054194.fastq.gz	Fastqsanger.gz

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The effects of JAK inhibition on SARS-CoV-2-induced kidney injury

Project description:Patients often present with kidney injury in COVID-19. Although severe COVID-19 cases are treated with baricitinib, a JAK inhibitor, the effects of baricitinib on the kidneys in COVID-19 are unclear. The authors examined the pharmacological effects of baricitinib on kidney injury using an in vivo murine COVID-19 model.

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Attenuation of SARS-CoV-2 Infection by Losartan in Human Kidney Organoids

Project description:COVID-19 associated acute kidney injury (COVID-AKI) is a common complication of SARS-CoV-2 infection in hospitalized patients. It is unclear how susceptible human kidneys are to direct SARS-CoV-2 infection and whether pharmacologic manipulation of the renin-angiotensin II signaling (RAS) pathway modulates this susceptibility. Using induced pluripotent stem cell derived kidney organoids, SARS-CoV-1, SARS-CoV-2 and MERS-CoV tropism, defined by the paired expression of a host receptor (ACE2, NRP1 or DPP4) and protease (TMPRSS2, TMPRSS4, FURIN, CTSB or CTSL), was identified primarily amongst proximal tubule cells. Losartan, an angiotensin II receptor blocker being tested in COVID-19 patients, inhibited angiotensin II mediated internalization of ACE2, upregulated interferon stimulated genes (IFITM1 and BST2) known to restrict viral entry, and attenuated the infection of proximal tubule cells by SARS-CoV-2. Our work highlights the susceptibility of proximal tubule cells to SARS-CoV-2 and reveals a putative protective role for RAS inhibitors during SARS-CoV-2 infection.

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Project description:SARS-CoV-2 infections initiate cytokine storms and activate genetic programs leading to progressive hyperinflammation in multiple organs of patients with COVID-19. While it is known that COVID-19 impacts kidney function, leading to increased mortality, cytokine response of renal epithelium has not been studied in detail. Here, we report on the genetic programs activated in human primary proximal tubule (HPPT) cells by interferons and their suppression by ruxolitinib, a Janus kinase (JAK) inhibitor used in COVID-19 treatment. Integration of our data with those from patients with acute kidney injury and COVID-19, as well as other tissues, permitted the identification of kidney-specific interferon responses. Additionally, we investigated the regulation of the recently discovered isoform (dACE2) of the angiotensin-converting enzyme 2 (ACE2), the SARS-CoV-2 receptor. Using ChIP-seq, we identified candidate interferon-activated enhancers controlling the ACE2 locus, including the intronic dACE2 promoter. Taken together, our study provides an in-depth understanding of genetic programs activated in kidney cells.

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A Retrospective Cohort Study for Main Postoperative Complications After SARS-CoV-2 Infection

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Project description:HAE cultures were infected with SARS-CoV, SARS-dORF6 or SARS-BatSRBD and were directly compared to A/CA/04/2009 H1N1 influenza-infected cultures. Cell samples were collected at various hours post-infection for analysis. Time Points = 0, 12, 24, 36, 48, 60, 72, 84 and 96 hrs post-infection for SARS-CoV, SARS-dORF6 and SARS-BatSRBD. Time Points = 0, 6, 12, 18, 24, 36 and 48 hrs post-infection for H1N1. Done in triplicate for RNA Triplicates are defined as 3 different wells, plated at the same time and using the same cell stock for all replicates. Time matched mocks done in triplicate from same cell stock as rest of samples. Culture medium (the same as what the virus stock is in) will be used for the mock infections. Infection was done at an MOI of 2 for SARS viruses and an MOI of 1 for H1N1.

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