Mechanotransduction Unifies Healthy Non-Diabetic Wound Healing Over Time by Promoting a Cd14+/C1qa+ Fibroblast Subpopulation

    Katharina S. Berryman, Abdelrahman M. Alsharif, Mansi Singh, Filiberto Quintero, Amelia B. Knochel, Maria Gracia Mora Pinos, Dharshan Sivaraj, Lulejeta Latifi, Fidel Jr. Saenz, Pedro Mora Pinos, Andrew C. Hostler, Javier Raya González, Ben Litmanovich, Sultana Mojadidi, Jonathan P. Yasmeh, Hudson Kussie, Maisam S. Jafri, Autumn Lester, William W. Hahn, Maia Granoski, Geoffrey C. Gurtner, Kellen Chen
    TLDR Mechanotransduction aids healthy wound healing by promoting specific fibroblasts.
    This study examines the role of mechanotransduction in wound healing by analyzing fibroblast heterogeneity in diabetic and non-diabetic mice. It identifies a distinct subpopulation of Cd14+/C1qa+ angiogenic fibroblasts in non-diabetic mice, crucial for healthy wound healing through FAK and MAPK pathways. In diabetic models, impaired healing is observed due to the upregulation of fibrotic fibroblasts and WNT pathway activation, leading to delayed wound closure. The findings suggest that targeting mechanotransduction pathways could enhance therapies for diabetic wound repair, emphasizing the potential for personalized approaches in treatment.
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