Figure 3

![Figure 3: Thioredoxin mRNA expression levels in quercetin-treated nasal epithelial cells are quantified by RT-PCR, demonstrating transcriptional upregulation.]()

> Source: Yukako Edo et al. "Quercetin Enhances the Thioredoxin Production of Nasal Epithelial Cells In Vitro." *Medicines (Basel, Switzerland)*, 2018. PMID: [30469393](https://pubmed.ncbi.nlm.nih.gov/30469393/)

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  <img src="" alt="Thioredoxin mRNA expression levels in quercetin-treated nasal epithelial cells are quantified by RT-PCR, demonstrating transcriptional upregulation." />
  <figcaption>Figure 3. Thioredoxin mRNA expression levels in quercetin-treated nasal epithelial cells are quantified by RT-PCR, demonstrating transcriptional upregulation.<br>  Source: Yukako Edo et al. "Quercetin Enhances the Thioredoxin Production of Nasal Epithelial Cells In Vitro." <em>Medicines (Basel, Switzerland)</em>, 2018. PMID: <a href="https://pubmed.ncbi.nlm.nih.gov/30469393/">30469393</a></figcaption>
</figure>