| http://purl.uniprot.org/citations/24222445 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/24222445 | http://www.w3.org/2000/01/rdf-schema#comment | "The hair follicle (HF) is an exceptional mini-organ to study the mechanisms which regulate HF morphogenesis, cycling, hair follicle stem cell (hfSCs) homeostasis, and progeny differentiation. During morphogenesis, Wnt signaling is well-characterized in the initiation of HF patterning but less is known about which particular Wnt ligands are required and whether individual Wnt ligands act in an indispensable or redundant manner during postnatal hfSCs anagen onset and HF cycle progression. Previously, we described the function of the bone morphogenetic protein (BMP) signaling target gene WNT7a in intrinsic regulation of hfSCs homeostasis in vivo. Here, we investigated the role of Wnt7b, which was also intrinsically upregulated in hfSCs during physiological and precocious anagen after BMP inhibition in vivo. We demonstrated Wnt7b to be a direct target of canonical BMP signaling in hfSCs and using Wnt7b conditional gene targeting during HF morphogenesis revealed disrupted HF cycling including a shorter anagen, premature catagen onset with overall shorter hair production, and diminished HF differentiation marker expression. Additionally, we observed that postnatal ablation of Wnt7b resulted in delayed HF activation, affecting both the hair germ and bulge hfSCs but still maintaining a two-step sequence of HF stimulation. Interestingly, Wnt7b cKO hfSCs participated in reformation of the new HF bulge, but with slower self-renewal. These findings demonstrate the importance of intrinsic Wnt7b expression in hfSCs regulation and normal HF cycling and surprisingly reveal a nonredundant role for Wnt7b in the control of HF anagen length and catagen entry which was not compensated by other Wnt ligands."xsd:string |
| http://purl.uniprot.org/citations/24222445 | http://purl.org/dc/terms/identifier | "doi:10.1002/stem.1599"xsd:string |
| http://purl.uniprot.org/citations/24222445 | http://purl.uniprot.org/core/author | "Kobielak K."xsd:string |
| http://purl.uniprot.org/citations/24222445 | http://purl.uniprot.org/core/author | "Kandyba E."xsd:string |
| http://purl.uniprot.org/citations/24222445 | http://purl.uniprot.org/core/date | "2014"xsd:gYear |
| http://purl.uniprot.org/citations/24222445 | http://purl.uniprot.org/core/name | "Stem Cells"xsd:string |
| http://purl.uniprot.org/citations/24222445 | http://purl.uniprot.org/core/pages | "886-901"xsd:string |
| http://purl.uniprot.org/citations/24222445 | http://purl.uniprot.org/core/title | "Wnt7b is an important intrinsic regulator of hair follicle stem cell homeostasis and hair follicle cycling."xsd:string |
| http://purl.uniprot.org/citations/24222445 | http://purl.uniprot.org/core/volume | "32"xsd:string |
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