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Beyond Processing: Furin as a Central Hub in Viral Pathogenesis and Genetic Susceptibility
Adrián Alejandro Silva-Ríos1, Carlos Ernesto Mora-Ornelas2,3, Luna Galilea Flores-Medina1
1Licenciatura en Médico Cirujano y Partero, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada No. 950, Col. Independencia, Guadalajara 44340, Mexico.
Biomolecules
|November 27, 2025
Summary
Furin protease is crucial for viral infections by maturing viral proteins. Genetic variations in the FURIN gene impact disease severity, offering potential therapeutic targets for broad-spectrum antiviral strategies.
Area of Science:
- Biochemistry
- Virology
- Genetics
Background:
- Furin is a calcium-dependent serine endoprotease vital for physiological processes and viral pathogenesis.
- It cleaves viral glycoproteins, facilitating viral entry, fusion, and replication across numerous human pathogens.
- Furin acts as a conserved molecular hub in host-virus interactions.
Purpose of the Study:
- To explore the role of furin in viral pathogenesis.
- To investigate the impact of genetic variability in the FURIN gene on infection outcomes.
- To identify furin as a potential target for antiviral therapies.
Main Methods:
- Review of existing literature on furin's enzymatic activity and role in viral infections.
- Analysis of genetic studies linking FURIN gene polymorphisms to disease severity.
- Exploration of potential therapeutic strategies targeting furin.
Main Results:
- Furin's cleavage of viral polybasic motifs is essential for the maturation of structural proteins in viruses like SARS-CoV-2, influenza, and HIV.
- Specific FURIN gene single-nucleotide polymorphisms (SNPs) correlate with varying COVID-19 severity and protection against human papilloma virus.
- Mutations affecting furin activity can attenuate viral pathogenesis.
Conclusions:
- Furin is a critical mediator of viral pathogenesis, influenced by host genetic factors.
- Understanding population genetics related to FURIN is essential for assessing viral susceptibility.
- Targeting furin presents a promising strategy for developing broad-spectrum antiviral treatments.
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