| http://purl.uniprot.org/citations/21566131 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/21566131 | http://www.w3.org/2000/01/rdf-schema#comment | "ADAMTS5 has been implicated in the degradation of cartilage aggrecan in human osteoarthritis. Here, we describe a novel role for the enzyme in the regulation of TGFβ1 signaling in dermal fibroblasts both in vivo and in vitro. Adamts5(-/-) mice, generated by deletion of exon 2, exhibit impaired contraction and dermal collagen deposition in an excisional wound healing model. This was accompanied by accumulation in the dermal layer of cell aggregates and fibroblastic cells surrounded by a pericellular matrix enriched in full-length aggrecan. Adamts5(-/-) wounds exhibit low expression (relative to wild type) of collagen type I and type III but show a persistently elevated expression of tgfbRII and alk1. Aggrecan deposition and impaired dermal repair in Adamts5(-/-) mice are both dependent on CD44, and Cd44(-/-)/Adamts5(-/-) mice display robust activation of TGFβ receptor II and collagen type III expression and the dermal regeneration seen in WT mice. TGFβ1 treatment of newborn fibroblasts from wild type mice results in Smad2/3 phosphorylation, whereas cells from Adamts5(-/-) mice phosphorylate Smad1/5/8. The altered TGFβ1 response in the Adamts5(-/-) cells is dependent on the presence of aggrecan and expression of CD44, because Cd44(-/-)/Adamts5(-/-) cells respond like WT cells. We propose that ADAMTS5 deficiency in fibrous tissues results in a poor repair response due to the accumulation of aggrecan in the pericellular matrix of fibroblast progenitor cells, which prevents their transition to mature fibroblasts. Thus, the capacity of ADAMTS5 to modulate critical tissue repair signaling events suggests a unique role for this enzyme, which sets it apart from other members of the ADAMTS family of proteases."xsd:string |
| http://purl.uniprot.org/citations/21566131 | http://purl.org/dc/terms/identifier | "doi:10.1074/jbc.m110.208694"xsd:string |
| http://purl.uniprot.org/citations/21566131 | http://purl.uniprot.org/core/author | "Li J."xsd:string |
| http://purl.uniprot.org/citations/21566131 | http://purl.uniprot.org/core/author | "Velasco J."xsd:string |
| http://purl.uniprot.org/citations/21566131 | http://purl.uniprot.org/core/author | "Sandy J.D."xsd:string |
| http://purl.uniprot.org/citations/21566131 | http://purl.uniprot.org/core/author | "Plaas A."xsd:string |
| http://purl.uniprot.org/citations/21566131 | http://purl.uniprot.org/core/author | "Stepp M.A."xsd:string |
| http://purl.uniprot.org/citations/21566131 | http://purl.uniprot.org/core/author | "DiPietro L."xsd:string |
| http://purl.uniprot.org/citations/21566131 | http://purl.uniprot.org/core/date | "2011"xsd:gYear |
| http://purl.uniprot.org/citations/21566131 | http://purl.uniprot.org/core/name | "J Biol Chem"xsd:string |
| http://purl.uniprot.org/citations/21566131 | http://purl.uniprot.org/core/pages | "26016-26027"xsd:string |
| http://purl.uniprot.org/citations/21566131 | http://purl.uniprot.org/core/title | "Adamts5 deletion blocks murine dermal repair through CD44-mediated aggrecan accumulation and modulation of transforming growth factor beta1 (TGFbeta1) signaling."xsd:string |
| http://purl.uniprot.org/citations/21566131 | http://purl.uniprot.org/core/volume | "286"xsd:string |
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