Biologyarticle2026-10-22

Keratin 9 regulates mechanosensitive YAP1 signalling in palmoplantar epidermis

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Abstract

Steiner et al. propose that keratin 9 (K9) interacts with 14-3-3, sequestering YAP1 in the cytoplasm and inhibiting YAP1 activity. They identify dysregulated YAP in palmoplantar keratinization diseases, with K9 as a downstream regulator of YAP.

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View paper (DOI)Open access versionOpenAlexNature Cell BiologyPublished 2026-10-22

Authors: Sarah Steiner, Eric N. Horst, Evelyn S. Chiu, Mitre Athaiya, Craig N. Johnson, Joseph Y. Shen, Michelle L. Kerns, Joseph Kirma, Rebecca L. McCarthy, Syed F. H. Shah, Ofer Sarig, Liat Samuelov, Eli Sprecher, Edel A. O’Toole, Johann E. Gudjonsson, Geeta Mehta, Ramiro Iglesias‐Bartolomé, Pierre A. Coulombe

Institutions: Icahn School of Medicine at Mount Sinai, Johns Hopkins University, Harvard University, University of Michigan, National Cancer Institute, Tel Aviv University, Queen Mary University of London, Michigan Medicine, Tel Aviv Sourasky Medical Center, Cleveland Clinic, Washington State University Spokane, U-M Rogel Cancer Center, Blizard Institute, Wyss Institute for Biologically Inspired Engineering