Related Experiment Video
Updated: Sep 11, 2025
05:23
Visualization of SARS-CoV-2 using Immuno RNA-Fluorescence In Situ Hybridization
Published on: December 23, 2020
6.2K
The Role of NEU1 in Coronavirus Infection and Pathogenesis
1Children's Foundation Research Institute at Le Bonheur Children's Hospital, Department of Pediatrics, University of Tennessee Health Science Center, USA.
Virology & Immunology Journal
|August 11, 2025
Summary
The nucleocapsid (N) protein is crucial for SARS-CoV-2 replication and assembly. This review explores the role of NEU1, an enzyme involved in sialylation, in coronavirus pathogenesis.
Area of Science:
- Virology
- Biochemistry
- Immunology
Background:
- Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) causes COVID-19, necessitating new therapeutics due to vaccine limitations against variants.
- The viral nucleocapsid (N) protein is essential for viral replication, assembly, and is a key immunogen.
- Sialylation, the addition of sialic acids, and desialylation by sialidases (neuraminidases) are critical biological processes affecting glycoprotein and glycolipid functions.
Purpose of the Study:
- To review the current understanding of NEU1's role in coronavirus infection.
- To synthesize existing research on NEU1's involvement in SARS-CoV-2 pathogenesis.
- To identify future research directions regarding NEU1 and coronaviruses.
Main Methods:
- Literature review of existing research on NEU1, sialylation, and coronavirus biology.
- Analysis of the functional implications of NEU1 in viral replication and host-pathogen interactions.
- Synthesis of findings to connect NEU1 activity with coronavirus pathogenesis.
Main Results:
- The nucleocapsid (N) protein is a major immunogen and key player in viral replication and assembly.
- Sialidases, like NEU1, modulate the function of sialic acid-containing molecules through desialylation.
- NEU1's specific role in coronavirus infection and pathogenesis requires further investigation.
Conclusions:
- Understanding NEU1's function in the context of coronavirus infection is crucial for developing novel therapeutic strategies.
- Further research is needed to elucidate the precise mechanisms by which NEU1 influences SARS-CoV-2 replication and pathogenesis.
- Targeting NEU1 could represent a potential therapeutic avenue against COVID-19 and future coronavirus outbreaks.
Related Concept Videos
01:29Immune Response Against Viral Pathogens
917
The immune system's response to viral infections is a complex and coordinated process involving natural killer (NK) cells, T cell-mediated responses, and antibody-mediated responses.
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
917
01:51Mechanisms of Retrovirus-induced Cancers
5.3K
Retroviruses are RNA viruses that have been shown to cause cancers in diverse species, including chickens, mice, cats, and monkeys. The RNA genomes of these viruses are first reverse-transcribed into single and then double-stranded DNA (dsDNA) copies. This dsDNA called proviral DNA then integrates into the host genome. Subsequently, the host cell transcribes the proviral DNA in concert with the chromosomal DNA. This leads to the production of viral RNA and proteins that assemble at the host...
5.3K
01:23Cystic Fibrosis: Pathogenesis
361
Cystic fibrosis (CF), an autosomal recessive disorder, significantly affects the function of exocrine glands. This genetically inherited disease is characterized by the production of thick and sticky mucus, which can severely affect various organs and systems in the body.
CF is primarily caused by a genetic mutation in a chromosome 7 gene coding for the cystic fibrosis transmembrane conductance regulator (CFTR) protein. The most common gene mutation leading to CF is the ΔF508 mutation,...
CF is primarily caused by a genetic mutation in a chromosome 7 gene coding for the cystic fibrosis transmembrane conductance regulator (CFTR) protein. The most common gene mutation leading to CF is the ΔF508 mutation,...
361
02:28Leaky Scanning
5.2K
During most eukaryotic translation processes, the small 40S ribosome subunit scans an mRNA from its 5' end until it encounters the first start AUG codon. The large 60S ribosomal subunit then joins the smaller one to initiate protein synthesis. The location of the translation initiation is largely determined by the nucleotides near the start codon as there may be multiple translation initiation sites present on the mRNA. Marilyn Kozak discovered that the sequence RCCAUGG (where R...
5.2K
01:29Pneumonia II: Pathophysiology
556
The pathophysiology of pneumonia involves the following steps:
556
01:29Viruses with RNA Genomes
119
RNA viruses are categorized into positive-strand, negative-strand, or double-stranded groups based on their genomic structure and replication mechanisms. This classification dictates how they exploit host cellular machinery for protein synthesis and replication. Some RNA viruses also utilize reverse transcription as part of their life cycle, further diversifying their replication strategies.Positive-Strand RNA VirusesPositive-strand RNA viruses have genomes that function directly as messenger...
119