Related Experiment Video

Updated: Jul 17, 2025

Visualization of SARS-CoV-2 using Immuno RNA-Fluorescence In Situ Hybridization
05:23

Visualization of SARS-CoV-2 using Immuno RNA-Fluorescence In Situ Hybridization

Published on: December 23, 2020

6.1K

Identification of shared biological features in four different lung cell lines infected with SARS-CoV-2 virus through

Xiaoxi Zhang1, Seungjun Ahn1,2, Peihua Qiu1

  • 1Department of Biostatistics, University of Florida, Gainesville, FL, United States.

Frontiers in Genetics
|September 4, 2023
PubMed

Insights

This study analyzed SARS-CoV-2 infection in lung cells, revealing common and unique responses. The "cytokine-cytokine receptor interaction" pathway is key for inflammation and immune response across all cell types.

Area of Science:

  • Molecular Biology
  • Virology
  • Genomics

Background:

  • The COVID-19 pandemic, caused by SARS-CoV-2, necessitates understanding viral infection mechanisms.
  • Identifying host responses is critical for developing effective antiviral therapies.

Purpose of the Study:

  • To investigate common and unique biological responses to SARS-CoV-2 infection across four lung cell lines.
  • To identify potential therapeutic targets by analyzing gene expression and pathway alterations.

Main Methods:

  • Differential expression (DE) analysis of RNA-seq data from NHBE, A549, A549.ACE2, and Calu3 cells.
  • Pathway analysis to identify significantly affected biological pathways.
  • Differential network (DN) analysis to assess network alterations in response to infection.

Main Results:

  • A549.ACE2 cells exhibited the highest number of differentially expressed genes, while NHBE cells showed the fewest.
  • Twelve overlapping differentially expressed genes were identified across all four cell lines.
  • The 'cytokine-cytokine receptor interaction' pathway was the only significant pathway common to all cell lines, indicating its role in inflammation and immune response.

Conclusions:

  • SARS-CoV-2 infection elicits varied responses across different lung cell types.
  • The 'cytokine-cytokine receptor interaction' pathway is a conserved response to SARS-CoV-2 infection.
  • Understanding these cellular and molecular responses can guide the development of targeted therapies for COVID-19.
Keywords:
COVID-19RNA-seqSARS-CoV-2differential expression analysisdifferential network analysislung cell linespathway analysis

More Related Videos

Establishing Human Lung Organoids and Proximal Differentiation to Generate Mature Airway Organoids10:12

Establishing Human Lung Organoids and Proximal Differentiation to Generate Mature Airway Organoids

Published on: March 23, 2022

8.3K
Infection of Primary Nasal Epithelial Cells Grown at an Air-Liquid Interface to Characterize Human Coronavirus-Host Interactions09:02

Infection of Primary Nasal Epithelial Cells Grown at an Air-Liquid Interface to Characterize Human Coronavirus-Host Interactions

Published on: September 22, 2023

1.5K

Related Concept Videos

Single Nucleotide Polymorphisms-SNPs01:05

Single Nucleotide Polymorphisms-SNPs

A single nucleotide polymorphism or SNP is a single nucleotide variation at a specific genomic position in a large population. It is the most prevalent type of sequence variation found in the human genome. Point mutations that occur in more than 1% of the population qualify as SNPs. These are present once every 1000 nucleotides on an average in the human genome. Replacement of a purine with another purine (A/G) or a pyrimidine with another pyrimidine (C/T) is known as a transition. In contrast,...
15.2K
RNA-seq03:21

RNA-seq

RNA sequencing, or RNA-Seq, is a high-throughput sequencing technology used to study the transcriptome of a cell. Transcriptomics helps to interpret the functional elements of a genome and identify the molecular constituents of an organism. Additionally, it also helps in understanding the development of an organism and the occurrence of diseases. 
Before the discovery of RNA-seq, microarray-based methods and Sanger sequencing were used for transcriptome analysis. However, while...
10.1K