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Abstract
Thrombin's actions on platelets, macrophages, fibroblasts, and endothelial cells have prompted the hypothesis that thrombin may be important for inflammatory and fibroproliferative processes in wound healing. Protease-activated receptor 1 (PAR1) is a G-protein-coupled receptor that mediates many of the cellular activities of thrombin. To test the role of this receptor in vivo, we generated PAR1-deficient mice. Despite the observation that fibroblasts cultured from these mice lacked responsiveness to thrombin in vitro, we now report that there was no difference detected between wild-type and PAR1-deficient mice in skin wound healing assays including time to closure of open wounds, tensile strength of healed incisional wounds, wound histology, and hydroxyproline/DNA content of wound implants. We conclude that PAR1 is not necessary for normal skin wound healing in mice.
View details for Web of Science ID A1997YD87800005
View details for PubMedID 9358744