344-Murata-InfectHeart

Project

Title
Influence of persistent SARS-CoV-2 infection on a three- dimensional cardiac model
Description
Patients with chronic cardiomyopathy may have persistent viral infections in their hearts, particularly with SARS-CoV-2, which targets the ACE2 receptor highly expressed in human hearts. This raises concerns about a potential global heart failure pandemic stemming from COVID-19, an SARS-CoV-2 pandemic in near future. Although faced with this healthcare caveat, there is limited research on persistent viral heart infections, and no models have been established. In this study, we created an SARS-CoV-2 persistent infection model using human iPS cell-derived cardiac microtissues (CMTs). Mild infections sustained viral presence without signif- icant dysfunction for a month, indicating persistent infection. However, when exposed to hypoxic conditions mimicking ischemic heart diseases, cardiac function deteriorated alongside intracellular SARS-CoV-2 reacti- vation in cardiomyocytes and disrupted vascular network formation. This study demonstrates that SARS- CoV-2 persistently infects the heart opportunistically causing cardiac dysfunction triggered by detrimental stimuli such as ischemia, potentially predicting a post COVID-19 era heart failure pandemic.
License
CC BY
Released at
Oct. 20, 2025, midnight
Updated at
Funding
Clinical Translational Research Program
# of image datasets
10

Papers

Papers
Paper information: Murata K. et al. Predicted risk of heart failure pandemic due to persistent SARS-CoV-2 infection using a three-dimensional cardiac model. iScience. 2023 Dec 22;27(1):108641.,
Pubmed ID: 38299028,
PMCID: PMC10829886,
DOI: https://doi.org/10.1016/j.isci.2023.108641,
URL: https://pubmed.ncbi.nlm.nih.gov/38299028/

Contacts

Contacts
Keizo Tomonaga (Contact) , LabLaboratory of RNA Viruses, Department of Virus Research, Institute for Life and Medical Sciencesoratory for Developmental Dynamics , Kyoto University
Hidetoshi Masumoto (Contact) , Clinical Translational Research Program, Center for Biosystems Dynamics Research , RIKEN
Kozue Murata (Imaging Contributor) , Clinical Translational Research Program, Center for Biosystems Dynamics Research , RIKEN

Biosamples

Organisms
Homo sapiens (NCBI:txid9606)
Strains

Cells
differentiated iPS cells
Cell lines

Ontologies

UBERON
stem cell (CL_0000034)
Anatomical entities
GO: Biological processes
cardiac muscle contraction (GO:0060048), viral process (GO:0016032) (GO:0016032)
viral process (GO:0016032) (GO:0016032)
cardiac muscle contraction (GO:0060048) (GO:0060048)
GO: Cellular components
GO: Molecular functions

Genetics

Gene names
Protein names
Genetic methods
Protein tags
Probes
Oligo Primer
Genotype

Treatments

Reagent or Compound
Concentration
Fold Dilution
SARS-CoV-2/UT-NCGM02/Human/2020/Tokyo
MOI-30 ()
SARS-CoV-2/UT-NCGM02/Human/2020/Tokyo
MOI-30 ()
SARS-CoV-2/UT-NCGM02/Human/2020/Tokyo
MOI-30 ()
SARS-CoV-2/UT-NCGM02/Human/2020/Tokyo
MOI-30 ()
SARS-CoV-2/UT-NCGM02/Human/2020/Tokyo
MOI-30 ()
SARS-CoV-2/UT-NCGM02/Human/2020/Tokyo
MOI-30 ()

Imaging Methods

Dimensions
640x480, NA,
X scales
NA, 566 micrometer/pixel,
Y scales
NA, 566 micrometer/pixel,
Z scales
NA,
T scales
0.04 seconds, 0.07 seconds, NA,
Channels
1 channel, 3 channel,
Microscopy types
fluorescence microscopy (FBbi:00000246)
time lapse microscopy (FBbi:00000249)
Detection methods
Visualization methods
Illumination methods
Sources of contrast
Contrast enhancing methods
Resolution enhancing methods
Imaged parameters
Sample preparation methods

Instruments

Body
Olympus-Evident CKX53
Model
Light source
Detector
Objective
Olympus-Evident PLCN4X
Filter set
Dichroic
Body
Nikon ECLIDSE Ts2R
Model
Light source
Detector
Objective
Nikon CFI 10X
Filter set
Dichroic
Body
Keyence-BZ-X800E
Model
Light source
Detector
Objective
KEYENCE PlanFluorite LD 40x 0.60-3.30-2.20mm Ph2:Default
Filter set
Dichroic

Datasets

Dataset name
Organism
Gene / Protein
Dimensions
File size
SSBD:OMERO
Download
Homo sapiens (NCBI:txid9606)
NA
10.9MB
zip
Homo sapiens (NCBI:txid9606)
640x480
8.3MB
zip
Homo sapiens (NCBI:txid9606)
640x480
7.3MB
zip
Homo sapiens (NCBI:txid9606)
NA
123MB
zip
Homo sapiens (NCBI:txid9606)
NA
213MB
zip
Homo sapiens (NCBI:txid9606)
NA
158MB
zip
Homo sapiens (NCBI:txid9606)
NA
179MB
zip
Homo sapiens (NCBI:txid9606)
640x480
1.2MB
zip
Homo sapiens (NCBI:txid9606)
640x480
1.3MB
zip
Homo sapiens (NCBI:txid9606)
640x480
1.4MB
zip