Microscopic messengers: roles and prospects of extracellular vesicles in hepatitis B and C
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By
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Lei Zhang
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Ying Luo
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Qingmei Ma
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Yingtang Gao
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June 23, 2026
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Clinical Scorecard: Extracellular Vesicles: Their Functions and Future in Hepatitis B and C Infections
At a Glance
| Category | Detail |
|---|
| Condition | Hepatitis B and C Infections |
| Key Mechanisms | Extracellular vesicles (EVs) mediate intercellular communication, influencing viral dissemination, immune regulation, and disease progression. |
| Target Population | Individuals with chronic HBV and HCV infections. |
| Care Setting | Clinical research and hepatology. |
Key Highlights
- EVs carry viral nucleic acids and proteins, impacting immune responses.
- They play dual roles in promoting viral persistence and enhancing antiviral responses.
- EVs contribute to liver fibrosis and hepatocarcinogenesis.
- Potential for EV-derived RNAs and proteins as noninvasive biomarkers.
- Challenges include EV heterogeneity and co-isolation with viral particles.
Guideline-Based Recommendations
Diagnosis
- Utilize EVs as potential biomarkers for HBV and HCV infection.
Management
- Explore therapeutic targets within EV-associated cargos.
Monitoring & Follow-up
- Assess EV profiles to understand disease progression and treatment response.
Risks
- Consider the implications of EV-mediated immune modulation in chronic infections.
Patient & Prescribing Data
Patients with chronic hepatitis B and C.
Investigate the role of EVs in treatment responses and immune evasion.
Clinical Best Practices
- Validate EV preparations using multiple complementary methods.
- Report EV source and pre-analytical variables for reproducibility.
- Monitor EV-associated biomarkers for disease progression.
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