| http://purl.uniprot.org/citations/16989989 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/16989989 | http://www.w3.org/2000/01/rdf-schema#comment | "The development, maintenance and regeneration of epithelial appendages such as hairs or vibrissae depend on reciprocal interactions between the epidermal and the dermal components of the integument. Growth factors are among a number of signaling molecules that have been identified during these developmental events. Growth factors such as fibroblast growth factors (FGFs) bind cell surface heparan sulfate proteoglycans (HSPGs) on their heparan sulfate side chains and as such these proteoglycans act as co-receptors for FGF receptors (FGFRs) by forming a ternary signaling complex of HSPG, FGFR and FGF. The syndecans make up a family (syndecan-1-4) of transmembrane HSPGs. In the present study we examined the growth response of mouse vibrissae to HSPG-binding growth factors as a function of the presence or absence of syndecan-4 in an organ culture system. Syndecan-4 is expressed on keratinocytes that make up the inner root sheath of the vibrissa. Vibrissae from wild-type mice, but not from syndecan-4 null mice, displayed a statistically significant and dose-dependent growth response to FGF-1, FGF-2 and FGF-7. In contrast, a statistically significant growth response is seen in vibrissae from both wild-type and syndecan-4 null mice when the culture medium is supplemented with either hepatocyte growth factor (HGF) that binds to HSPG, insulin that does not bind to HSPG or 5% fetal bovine serum. The syndecan-4 dependent effect of FGF-1, -2 and -7 on the transcriptional activity of IRS expressed genes and of genes involved in cell proliferation reveals a number of different response patterns. In vivo, the vibrissae of syndecan-4 null mice are shorter and have a smaller diameter than those of wild-type mice and this phenotype may result from a suboptimal response to growth factors. Syndecan-1, which is expressed in the outer root sheath of the vibrissae shaft, does not influence the response of the vibrissae to FGF-1, -2 and -7 and the length and diameter of vibrissae of syndecan-1 null mice do not differ from those of wild-type mice."xsd:string |
| http://purl.uniprot.org/citations/16989989 | http://purl.org/dc/terms/identifier | "doi:10.1016/j.mod.2006.08.003"xsd:string |
| http://purl.uniprot.org/citations/16989989 | http://purl.uniprot.org/core/author | "Iwabuchi T."xsd:string |
| http://purl.uniprot.org/citations/16989989 | http://purl.uniprot.org/core/author | "Goetinck P.F."xsd:string |
| http://purl.uniprot.org/citations/16989989 | http://purl.uniprot.org/core/date | "2006"xsd:gYear |
| http://purl.uniprot.org/citations/16989989 | http://purl.uniprot.org/core/name | "Mech Dev"xsd:string |
| http://purl.uniprot.org/citations/16989989 | http://purl.uniprot.org/core/pages | "831-841"xsd:string |
| http://purl.uniprot.org/citations/16989989 | http://purl.uniprot.org/core/title | "Syndecan-4 dependent FGF stimulation of mouse vibrissae growth."xsd:string |
| http://purl.uniprot.org/citations/16989989 | http://purl.uniprot.org/core/volume | "123"xsd:string |
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