Key result
In a rat arthritis model, rAAV vector transgene expression correlated with disease severity, peaking at 95% of synoviocytes during acute inflammation and diminishing to 5% when inflammation subsided.
Why the study?
Does rAAV vector transgene expression correlate with disease severity in a rat arthritis model?
Population
Rat joints induced into acute arthritis after local lipopolysaccharide (LPS) administration
Comparison
Recombinant adeno-associated virus encoding… vs Normal joints transduced with rAAV
Design
Preclinical
Follow-up
30 days
Authors
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Supports rAAV exploration in inflammatory arthritis models; leaves open clinical translation from rodent data.
Does rAAV vector transgene expression correlate with disease severity in a rat arthritis model?
Absolute Event Rate: 95% vs 5%
This study demonstrates disease state-regulated transgene expression using rAAV vectors in a rat arthritis model, supporting the feasibility of targeted gene therapy for rheumatoid arthritis.
Pan et al. (1999) studied Rheumatoid arthritis (rat model). recombinant adeno-associated virus (rAAV) vector encoding Escherichia coli beta-galactosidase vs. Normal joints or basal state was evaluated on in vivo transduction efficiency and correlation between vector transgene expression and disease severity. In a rat arthritis model, rAAV vector transgene expression correlated with disease severity, peaking at 95% of synoviocytes during acute inflammation and diminishing to 5% when inflammation subsided.
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