Figure 4

![Figure 4: Immunocytochemistry or marker expression data for corneal epithelial cells on silk fibroin membranes. Progenitor cell phenotype maintenance is confirmed through expression of limbal stem cell markers.]()

> Source: Thomas A Hogerheyde et al. "Optimization of Corneal Epithelial Progenitor Cell Growth on Bombyx mori Silk Fi." *Stem cells international*, 2016. PMID: [27648078](https://pubmed.ncbi.nlm.nih.gov/27648078/)

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  <img src="" alt="Immunocytochemistry or marker expression data for corneal epithelial cells on silk fibroin membranes. Progenitor cell phenotype maintenance is confirmed through expression of limbal stem cell markers." />
  <figcaption>Figure 4. Immunocytochemistry or marker expression data for corneal epithelial cells on silk fibroin membranes. Progenitor cell phenotype maintenance is confirmed through expression of limbal stem cell markers.<br>  Source: Thomas A Hogerheyde et al. "Optimization of Corneal Epithelial Progenitor Cell Growth on Bombyx mori Silk Fi." <em>Stem cells international</em>, 2016. PMID: <a href="https://pubmed.ncbi.nlm.nih.gov/27648078/">27648078</a></figcaption>
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