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- Title
Overexpression of Wnt5a in mouse epidermis causes no psoriasis phenotype but an impairment of hair follicle anagen development.
- Authors
Zhu, Xuming; Wu, Yumei; Huang, Sixia; Chen, Yingwei; Tao, Yixin; Wang, Yushu; He, Shigang; Shen, Sanbing; Wu, Ji; Guo, Xizhi; Li, Baojie; He, Lin; Ma, Gang
- Abstract
Increased Wnt5a expression has been observed in psoriatic plaques. However, whether Wnt5a overexpression directly causes psoriasis is unknown. In this study, we generated transgenic ( TG) mice with epidermal Wnt5a overexpression under the control of the human K14 promoter. The skin of Wnt5a TG mice was not psoriatic, but characterized with normal proliferation and homeostasis of epidermis. Instead, these TG mice displayed impaired hair follicle transition from telogen to anagen, most likely due to impaired canonical Wnt signalling. These results suggest that increased Wnt5a expression alone is inadequate to induce psoriasis in the skin and possible involvement of Wnt5a in hair follicle cycling.
- Subjects
PSORIASIS; TRANSGENIC mice; EPIDERMAL diseases; HAIR follicles; WNT genes; PROMOTERS (Genetics)
- Publication
Experimental Dermatology, 2014, Vol 23, Issue 12, p926
- ISSN
0906-6705
- Publication type
Article
- DOI
10.1111/exd.12539