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Human Cardiac Pericytes Are Susceptible to SARS-CoV-2 Infection.

ABSTRACT: COVID-19 is associated with serious cardiovascular complications, with incompletely understood mechanism(s). Pericytes have key functions in supporting endothelial cells and maintaining vascular integrity. We demonstrate that human cardiac pericytes are permissive to SARS-CoV-2 infection in organotypic slice and primary cell cultures. Viral entry into pericytes is mediated by endosomal proteases, and infection leads to up-regulation of inflammatory markers, vasoactive mediators, and nuclear factor kappa-B-dependent cell death. Furthermore, we present evidence of cardiac pericyte infection in COVID-19 myocarditis patients. These data demonstrate that human cardiac pericytes are susceptible to SARS-CoV-2 infection and suggest a role for pericyte infection in COVID-19.

SUBMITTER: Brumback BD

PROVIDER: S-EPMC9473702 | biostudies-literature | 2023 Feb

REPOSITORIES: biostudies-literature

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Human Cardiac Pericytes Are Susceptible to SARS-CoV-2 Infection.

Brumback Brittany D BD Dmytrenko Oleksandr O Robinson Ashley N AN Bailey Adam L AL Ma Pan P Liu Jing J Hicks Stephanie C SC Ng Sherwin S Li Gang G Zhang David M DM Lipovsky Catherine E CE Lin Chieh-Yu CY Diamond Michael S MS Lavine Kory J KJ Rentschler Stacey L SL

JACC. Basic to translational science 20220914 2

COVID-19 is associated with serious cardiovascular complications, with incompletely understood mechanism(s). Pericytes have key functions in supporting endothelial cells and maintaining vascular integrity. We demonstrate that human cardiac pericytes are permissive to SARS-CoV-2 infection in organotypic slice and primary cell cultures. Viral entry into pericytes is mediated by endosomal proteases, and infection leads to up-regulation of inflammatory markers, vasoactive mediators, and nuclear fact ...[more]

PMID: 36124009

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Human cardiac pericytes are susceptible to SARS-CoV-2 infection

Project description:Coronavirus disease 2019 (COVID-19) is associated with serious cardiovascular complications, including myocarditis, thrombosis, and dysregulated hemodynamic responses. The mechanism(s) underlying these disease manifestations are incompletely understood. Given a critical role for pericytes in supporting endothelial cell health and maintaining vascular integrity, we hypothesized that infection of pericytes could explain some of the cardiovascular complications of COVID-19. Here, we present evidence of SARS-CoV-2 infection in cardiac pericytes in patients with COVID-19 myocarditis. We show that cardiac pericytes are permissive to SARS-CoV-2 infection in organotypic slice and primary cell cultures. SARS-CoV-2 enters cardiac pericytes through an ACE2 and endosomal-dependent mechanism. Consequences of cardiac pericyte infection include upregulation of inflammatory chemokine and cytokine expression, type I interferon signaling, mediators of endothelial constriction, and cell death. Collectively, these data demonstrate that human cardiac pericytes are susceptible to SARS-CoV-2 infection and suggest a possible role for pericyte infection in the pathogenesis of COVID-19.

2022-08-31 | GSE183850 | GEO

Human cardiac pericytes are susceptible to SARS-CoV-2 infection

Project description:Human cardiac pericytes are susceptible to SARS-CoV-2 infection

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Human early syncytiotrophoblasts are highly susceptible to SARS-CoV-2 infection.

Project description:Direct in vivo investigation of human placenta trophoblast's susceptibility to SARS-CoV-2 is challenging. Here we report that human trophoblast stem cells (hTSCs) and their derivatives are susceptible to SARS-CoV-2 infection, which reveals heterogeneity in hTSC cultures. Early syncytiotrophoblasts (eSTBs) generated from hTSCs have enriched transcriptomic features of peri-implantation trophoblasts, express high levels of angiotensin-converting enzyme 2 (ACE2), and are productively infected by SARS-CoV-2 and its Delta and Omicron variants to produce virions. Antiviral drugs suppress SARS-CoV-2 replication in eSTBs and antagonize the virus-induced blockage of STB maturation. Although less susceptible to SARS-CoV-2 infection, trophoblast organoids originating from hTSCs show detectable viral replication reminiscent of the uncommon placental infection. These findings implicate possible risk of COVID-19 infection in peri-implantation embryos, which may go unnoticed. Stem cell-derived human trophoblasts such as eSTBs can potentially provide unlimited amounts of normal and genome-edited cells and facilitate coronavirus research and antiviral discovery.

| S-EPMC9671691 | biostudies-literature

Human iPSC-Derived Cardiomyocytes Are Susceptible to SARS-CoV-2 Infection.

Project description:Coronavirus disease 2019 (COVID-19) is a pandemic caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). COVID-19 is defined by respiratory symptoms, but cardiac complications including viral myocarditis are also prevalent. Although ischemic and inflammatory responses caused by COVID-19 can detrimentally affect cardiac function, the direct impact of SARS-CoV-2 infection on human cardiomyocytes is not well understood. Here, we utilize human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) as a model to examine the mechanisms of cardiomyocyte-specific infection by SARS-CoV-2. Microscopy and RNA sequencing demonstrate that SARS-CoV-2 can enter hiPSC-CMs via ACE2. Viral replication and cytopathic effect induce hiPSC-CM apoptosis and cessation of beating after 72 h of infection. SARS-CoV-2 infection activates innate immune response and antiviral clearance gene pathways, while inhibiting metabolic pathways and suppressing ACE2 expression. These studies show that SARS-CoV-2 can infect hiPSC-CMs in vitro, establishing a model for elucidating infection mechanisms and potentially a cardiac-specific antiviral drug screening platform.

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The SARS-CoV-2 Spike protein modifies the transcriptional profile of human cardiac pericytes

Project description:Human cardiac pericytes express the receptors for SARS-CoV-2 and contribute to microvascular dysfunction in COVID-19 patients. The SARS-CoV-2 capsid Spike protein seems to play a direct role in COVID-19 microangiopathy, but it is not known yet whether the Spike protein alone, without the infectious virus, can induce transcriptional alterations in pericytes. This study investigated the signalling pathways activated by the Spike protein in cultured human cardiac pericytes. We found that 309 RNA transcripts were significantly modulated in pericytes exposed to the Spike protein, with the upregulation of pathways linked to inflammation and viral infection.

2023-05-09 | GSE218644 | GEO

SARS-CoV-2 infection in human adult lung alveolar stem cells

Project description: Not available

| EMPIAR-10533 | biostudies-other

Human motor neurons derived from induced pluripotent stem cells are susceptible to SARS-CoV-2 infection.

Project description:IntroductionCOVID-19 typically causes Q7 respiratory disorders, but a high proportion of patients also reports neurological and neuromuscular symptoms during and after SARSCoV-2 infection. Despite a number of studies documenting SARS-CoV-2 infection of various neuronal cell populations, the impact of SARS-CoV-2 exposure on motor neuronal cells specifically has not been investigated so far.MethodsThus, by using human iPSC-derived motor neurons (iPSC-MNs) we assessed: (i) the expression of SARS-CoV-2 main receptors; (ii) iPSC-MN infectability by SARS-CoV-2; and (iii) the effect of SARS-CoV-2 exposure on iPSC-MN transcriptome.ResultsGene expression profiling and immunofluorescence (IF) analysis of the main host cell receptors recognized by SARS-CoV-2 revealed that all of them are expressed in iPSC-MNs, with CD147 and NRP1 being the most represented ones. By analyzing SARS-CoV-2 N1 and N2 gene expression over time, we observed that human iPSC-MNs were productively infected by SARS-CoV-2 in the absence of cytopathic effect. Supernatants collected from SARS-CoV-2-infected iPSC-MNs were able to re-infect VeroE6 cells. Image analyses of SARS-CoV-2 nucleocapsid proteins by IF confirmed iPSC-MN infectability. Furthermore, SARS-CoV-2 infection in iPSCMNs significantly altered the expression of genes (IL-6, ANG, S1PR1, BCL2, BAX, Casp8, HLA-A, ERAP1, CD147, MX1) associated with cell survival and metabolism, as well as antiviral and inflammatory response.DiscussionThese results suggest for the very first time that SARS-CoV-2 can productively infect human iPSC-derived MNs probably by binding CD147 and NRP1 receptors. Such information will be important to unveil the biological bases of neuromuscular disorders characterizing SARS-CoV-2 infection and the so called long-COVID symptoms.

| S-EPMC10728732 | biostudies-literature

Murine studies and expressional analyses of human cardiac pericytes reveal novel trajectories of SARS-CoV-2 Spike protein-induced microvascular damage.

Project description: Not available

| S-EPMC10236384 | biostudies-literature

ACE-2, TMPRSS2, and Neuropilin-1 Receptor Expression on Human Brain Astrocytes and Pericytes and SARS-CoV-2 Infection Kinetics.

Project description:Angiotensin Converting Enzyme 2 (ACE-2), Transmembrane Serine Protease 2 (TMPRSS-2) and Neuropilin-1 cellular receptors support the entry of SARS-CoV-2 into susceptible human target cells and are characterized at the molecular level. Some evidence on the expression of entry receptors at mRNA and protein levels in brain cells is available, but co-expression of these receptors and confirmatory evidence on brain cells is lacking. SARS-CoV-2 infects some brain cell types, but infection susceptibility, multiple entry receptor density, and infection kinetics are rarely reported in specific brain cell types. Highly sensitive Taqman ddPCR, flow-cytometry and immunocytochemistry assays were used to quantitate the expression of ACE-2, TMPRSS-2 and Neuropilin-1 at mRNA and protein levels on human brain-extracted pericytes and astrocytes, which are an integral part of the Blood-Brain-Barrier (BBB). Astrocytes showed moderate ACE-2 (15.9 ± 1.3%, Mean ± SD, n = 2) and TMPRSS-2 (17.6%) positive cells, and in contrast show high Neuropilin-1 (56.4 ± 39.8%, n = 4) protein expression. Whereas pericytes showed variable ACE-2 (23.1 ± 20.7%, n = 2), Neuropilin-1 (30.3 ± 7.5%, n = 4) protein expression and higher TMPRSS-2 mRNA (667.2 ± 232.3, n = 3) expression. Co-expression of multiple entry receptors on astrocytes and pericytes allows entry of SARS-CoV-2 and progression of infection. Astrocytes showed roughly four-fold more virus in culture supernatants than pericytes. SARS-CoV-2 cellular entry receptor expression and "in vitro" viral kinetics in astrocytes and pericytes may improve our understanding of viral infection "in vivo". In addition, this study may facilitate the development of novel strategies to counter the effects of SARS-CoV-2 and inhibit viral infection in brain tissues to prevent the spread and interference in neuronal functions.

| S-EPMC10218482 | biostudies-literature

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

Project description:To explore the relationship between SARS-CoV-2 infection in different time before operation and postoperative main complications (mortality, main pulmonary and cardiovascular complications) 30 days after operation; To determine the best timing of surgery after SARS-CoV-2 infection.

| 12454 | ecrin-mdr-crc

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