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Updated: Jun 23, 2025

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Immunometabolic Circuits in Infection for Advancing Host Directed Therapies
Published on: September 13, 2024
392
Virus infection and sphingolipid metabolism
Jun Dai1, Yiyi Feng2, Ying Liao3
1Experimental Animal Center, Zunyi Medical University, Zunyi, 563099, China.
Antiviral Research
|June 22, 2024
Summary
Viruses hijack host sphingolipids for replication and spread. Manipulating these lipids offers a promising antiviral strategy and potential biomarkers for infection monitoring.
Area of Science:
- Virology
- Cell Biology
- Biochemistry
- Immunology
Background:
- Cellular sphingolipids are crucial for human virus replication, aiding in cell entry, membrane fusion, genome replication, assembly, budding, and propagation.
- Viruses exploit intracellular sphingolipid biosynthesis to alter viral receptors and facilitate endosomal escape, but precise regulatory mechanisms remain unclear.
Purpose of the Study:
- To comprehensively review and clarify how viruses exploit host sphingolipid metabolism for replication and immune response disruption.
- To explore the potential of targeting sphingolipid metabolism as an antiviral strategy.
- To assess the utility of serum sphingolipids as biomarkers for viral infection status.
Main Methods:
- Comprehensive literature review of studies investigating the interplay between viral replication and host sphingolipid metabolism.
- Analysis of existing data on viral exploitation of sphingolipid pathways.
- Evaluation of evidence for sphingolipid metabolism manipulation as an antiviral approach.
Main Results:
- Viruses utilize host sphingolipids at multiple stages of their life cycle, including entry, replication, and assembly.
- Disruption of host innate immune responses by viruses is linked to sphingolipid metabolism alterations.
- Targeting host sphingolipid enzymes shows potential for developing novel antiviral therapies.
Conclusions:
- Understanding the intricate relationship between viral replication and host sphingolipids is essential for effective antiviral drug development.
- Serum sphingolipid profiles may serve as valuable biomarkers for diagnosing and monitoring viral infections.
- Further research into sphingolipid metabolism offers promising avenues for combating viral diseases.
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