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Myofibroblasts (MFs) are responsible for both physiological wound and scar contraction. However, it is not known whether these cells act individually to contract the surrounding matrix or whether they behave in a coordinated manner. Therefore, we studied intercellular junctions of primary human MFs derived from patients with Dupuytren's disease, a fibrotic disorder of the dermis and subdermal tissues of the palm. The cells were maintained in anchored three-dimensional collagen lattices to closely mimic conditions in vivo. We found that selective blockade of adherens, mechanosensitive, or gap junctions effectively inhibited contraction of the collagen matrices and downregulated the MF phenotype. Our data indicate that MFs in part function as a coordinated cellular syncytium, and disruption of intercellular communication may provide a therapeutic target in diseases characterized by an overabundance of these contractile cells.

Original publication




Journal article


J Invest Dermatol

Publication Date





2664 - 2671


Cadherins, Cell Communication, Cells, Cultured, Collagen, Dupuytren Contracture, Fibroblasts, Gap Junctions, Giant Cells, Humans, Intercellular Junctions, Isometric Contraction, Microscopy, Fluorescence, Myofibroblasts, Phenotype, RNA, Small Interfering, Skin