Reserachers studied transcriptome profiles of human nail units using polydactyly specimens. Single-cell RNAseq with 11,541 cells from 4 extra digits revealed nail-specific mesenchymal and epithelial cell populations, characterized by RSPO4 and SPINK6, respectively.
[Communications Biology]
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Kim, H. J., Shim, J. H., Park, J.-H., Shin, H. T., Shim, J. S., Jang, K.-T., Park, W.-Y., Lee, K.-H., Kwon, E. J., Jang, H.-S., Yang, H., Lee, J. H., Yang, J.-M., & Lee, D. (2021). Single-cell RNA sequencing of human nail unit defines RSPO4 onychofibroblasts and SPINK6 nail epithelium. Communications Biology, 4(1), 1–13. https://doi.org/10.1038/s42003-021-02223-w Cite