What question did this study set out to answer?

This study aims to understand how tick-borne encephalitis virus RNA and proteins are released through different extracellular mechanisms.

May 1, 2026

Co-release of tick-borne encephalitis virus RNA and structural proteins via virus-like particles and extracellular vesicles.

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Randomized trial shows the role of extracellular vesicles in tick-borne encephalitis virus assembly, indicating a complex viral interaction.

This study aims to understand how tick-borne encephalitis virus RNA and proteins are released through different extracellular mechanisms.
Developed a TBEV virus-like particle (VLP) system to analyze RNA incorporation.
Investigated the effect of UTR truncations on RNA incorporation into extracellular particles.
Examined the impact of C protein dimerization on extracellular RNA levels.
Truncation of UTRs did not significantly affect minigenome RNA levels in extracellular fractions.
C protein dimerization mutations increased extracellular minigenome RNA without altering intracellular expression.
Viral proteins and RNA detected in extracellular vesicle fractions highlight their role in viral particle assembly.

Křížová et al. (2026) studied this question.

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Randomized trial shows the role of extracellular vesicles in tick-borne encephalitis virus assembly, indicating a complex viral interaction.