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Identification of Drugs Blocking SARS-CoV-2 Infection using Human Pluripotent Stem Cell-derived Colonic Organoids

ABSTRACT: Identification of Drugs Blocking SARS-CoV-2 Infection using Human Pluripotent Stem Cell-derived Colonic Organoids

PROVIDER: PRJNA625446 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR11548424.fastq.gz	Fastqsanger.gz
	SRR11548425.fastq.gz	Fastqsanger.gz
	SRR11548426.fastq.gz	Fastqsanger.gz
	SRR11548427.fastq.gz	Fastqsanger.gz

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Identification of Drugs Blocking SARS-CoV-2 Infection using hPSC-derived Lung and Colonic Organoids

Project description:Identification of Drugs Blocking SARS-CoV-2 Infection using hPSC-derived Lung and Colonic Organoids

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Identification of Drugs Blocking SARS-CoV-2 Infection using hPSC-derived Lung and Colonic Organoids

Project description:The SARS-CoV-2 has already caused over twelve million COVID-19 cases and half a million deaths worldwide. There is an urgent need to create novel models using human disease-relevant cells to study SARS-CoV-2 biology and to facilitate drug screening. As SARS-CoV-2 primarily infects the respiratory tract, we developed a lung organoid model using human pluripotent stem cells (hPSC-LOs) that could be adapted for drug screening. The hPSC-LOs, particularly alveolar type II-like cells, express the viral entry receptor ACE2, are permissive to SARS-CoV-2 infection, and showed robust induction of chemokines and cytokines upon SARS-CoV-2 infection, similar to what is seen in COVID-19 patients. Nearly 25% of these patients have gastrointestinal manifestations, which are associated with worse COVID-19 outcomes1. We therefore also generated complementary hPSC-derived colonic organoids (hPSC-COs) to explore the response of colonic cells to SARS-CoV-2 infection. We found that multiple colonic cell types, especially enterocytes, express ACE2 and are permissive to SARS-CoV-2 infection. Using hPSC-LOs, we performed a high throughput screen of FDA-approved drugs and identified entry inhibitors of SARS-CoV-2, including imatinib, mycophenolic acid (MPA), and quinacrine dihydrochloride (QNHC). Pre- or post-infection treatment at physiologically relevant levels of these drugs significantly inhibited SARS-CoV-2 infection of both hPSC-LOs and hPSC-COs. Together, these data demonstrate that hPSC-LOs and hPSC-COs infected by SARS-CoV-2 can serve as disease models to study SARS-CoV-2 infection and provide a valuable resource for drug screening to identify candidate COVID-19 therapeutics.

2020-08-11 | GSE155241 | GEO

Identification of Drugs Blocking SARS-CoV-2 Infection using Human Pluripotent Stem Cell-derived Colonic Organoids

Project description:We systematically probed which cell types in the colon are permissive to SARS-CoV-2 infection. Transcriptomic analysis following SARS-CoV-2 infection of hPSC-derived colon organoids revealed upregulation of chemokines but not type I/III interferon signaling. A large small molecule screen was also performed.

2021-01-01 | GSE148696 | GEO

Identification of A Drug Blocking SARS-CoV-2 Infection using Human Pluripotent Stem Cell-derived Colon Organoids

Project description:The current COVID-19 pandemic is caused by the novel coronavirus SARS-coronavirus 2 (SARS-CoV-2). There are currently no therapeutic options for mitigating this disease due to lack of a vaccine and limited knowledge of SARS-CoV-2 virus biology. As a result, there is an urgent need to create new disease models to study SARS-CoV-2 biology and to screen for therapeutics using human disease-relevant tissues. COVID-19 patients often present with respiratory symptoms including cough, dyspnea, and respiratory distress but upwards of 25% of respiratory dysfunction, many COVID-19 patients have digestive system indications, including anorexia, diarrhea, vomiting, and abdominal pain. Moreover, these symptoms are associated with more severe COVID-19 outcomes1. Here, we report using human pluripotent stem cell-derived colonic organoids (hPSC-COs) to explore the permissiveness of different colonic cell types to SARS-CoV-2 infection. Single cell RNA-seq and immunostaining showed that the putative viral entry receptor ACE2 is expressed in multiple types of hESC-derived colon cells, but are highly enriched in hPSC-derivedKRT20+ enterocytes. Distinct cell types in the COs can be infected by a SARS-CoV-2 pseudo-entry virus, which is further validated in vivo using a humanized mouse model. Finally, we adapted hPSC-derived COs to a high throughput platform to screen 1280 FDA-approved drugs. Mycophenolic acid was found to block the entry of SARS-Cov-2 pseudo-entry virus in COs, and confirmed to block infection of SARS-CoV-2 virus. In summary, this study established both in vitro and in vivo organoid models to investigate infection of SARS-CoV-2 disease-relevant human colonic cell types and identified a drug suitable for rapid clinical testing that blocks SARS-CoV-2 infection.

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Project description:The individualized treatment of tumors has always been an urgent problem in clinical practice. Organoids-on-a-chip can reflect the heterogeneity of tumors and is a good model for in vitro anticancer drug screening. In this study, surgical specimens of patients with advanced colorectal cancer will be collected for organoid culture and organoids-on-a- chip. Use organoids-on-a-chip to screen tumor chemotherapy drugs, compare the results of patients’ actual medication regimens, and study the guiding role of organoids in the formulation of precise tumor treatment plans. The investigators will compare the response of organoids to drugs in vitro with the patient’s response to actual chemotherapy and targeted drugs and explore the feasibility and accuracy of organoids-on-a-chip based drug screening for advanced colorectal cancer. The project will establish a screening platform for chemotherapeutic drugs and targeted drugs based on colorectal cancer organoids to quickly and accurately formulate personalized treatment plans for clinical patients.

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