TY - RPRT TI - Positive and negative feedback regulation of the TGF-β1-SMAD4 axis explains two equilibrium states in human skin aging AU - Haga, M. AU - Iida, K. AU - Okada, M. PY - 2023 DO - 10.1101/2023.07.18.546970 UR - https://www.biorxiv.org/content/10.1101/2023.07.18.546970v1 ID - 10.1101/2023.07.18.546970 ER -