Key result
TRIM16 overexpression inhibited multiple viruses in HEK293T cells, but this antiviral activity was not observed in other epithelial cell lines or when endogenous TRIM16 was knocked out.
Why the study?
Host cell restriction factors can inhibit virus replication, and characterising novel factors can provide targets for host-directed therapies.
Population
HEK293T, A549, Hela, and Hep2 epithelial cell lines
Comparison
TRIM16 overexpression or CRISPR/Cas9 knockout vs control/endogenous expression
Design
In vitro experimental study
Authors
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Suggests TRIM16 as antiviral target; leaves open therapeutic translation pending in vivo validation.
TRIM16 antiviral activity appears to be an artifact of overexpression in specific cell lines (HEK293T) rather than a true host cell restriction factor.
Nigos et al. (2023) studied Viral infection. TRIM16 overexpression vs. Endogenous TRIM16 / other cell lines was evaluated on Virus inhibition. TRIM16 overexpression inhibited multiple viruses in HEK293T cells, but this antiviral activity was not observed in other epithelial cell lines or when endogenous TRIM16 was knocked out.
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