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Generation of human bronchial organoids for SARS-CoV-2 research

ABSTRACT: Generation of human bronchial organoids for SARS-CoV-2 research

PROVIDER: PRJNA633783 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR11811019.fastq.gz	Fastqsanger.gz
	SRR11811020.fastq.gz	Fastqsanger.gz
	SRR11811021.fastq.gz	Fastqsanger.gz
	SRR11811022.fastq.gz	Fastqsanger.gz
	SRR11811023.fastq.gz	Fastqsanger.gz

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Generation of human bronchial organoids for SARS-CoV-2 research

Project description:Coronavirus disease 2019 (COVID-19) is a disease that causes fatal disorders including severe pneumonia. To develop a therapeutic drug for COVID-19, a model that can reproduce the viral life cycle and can evaluate the drug efficacy of anti-viral drugs is essential. In this study, we established a method to generate human bronchial organoids (hBO) from commercially available cryopreserved primary human bronchial epithelial cells (hBEpC) and examined whether they could be used as a model for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) research. The hBO were found to contain basal, club, ciliated, and goblet cells. Also, angiotensin-converting enzyme 2 (ACE2), which is a receptor for SARS-CoV-2, and transmembrane serine proteinase 2 (TMPRSS2), which is an essential serine protease for priming spike protein of SARS-CoV-2, were highly expressed. After hBO were infected with SARS-CoV-2, remarkable amplification of the viral genome and the expression of spike protein of the virus was confirmed. In addition, cytotoxicity and pyknosis cells were observed due to the virus infection. Furthermore, treatment with camostat, an inhibitor of TMPRSS2, reduced the viral copy number to 2% of the control group. RNA-seq analyses revealed genes whose expression was altered by SARS-CoV-2 infection and camostat treatment. These results suggest that our hBO are acceptable for SARS-CoV-2 infection and replication, but also can be used as a model for COVID-19 drug discovery.

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RNA-Seq of SARS-Cov-2 Infection in Human Bronchial Epithelium Organoids

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