期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 126, 期 -, 页码 11-17出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ijbiomac.2018.12.135
关键词
Chitosan; Surface-deacetylated chitin nanofiber; Human follicle dermal papilla cell; Fibroblast growth factor-7; Hair follicle
In this study, the effects of chitosan and surface-deacetylated chitin nanofibrils (SDACNFs) on hair growth were evaluated. In human follicle dermal papilla cells in vitro, chitosan and SDACNFs were shown to increase cell growth on day 3 after the initiation of treatment, together with an increase in the production of fibroblast growth factor-7 (FGF-7) by these cells on day 3. Furthermore, in an in vivo study in mice, chitosan and SDACNF application promoted hair growth. The number of anagen follicles significantly increased compared with that in the control group, whereas the number of telogen follicles significantly decreased in the chitosan and SDACNF groups. In the chitosan and SDACNFs groups, moreover, the expression levels of FGF-7 and Sonic hedgehog were significantly upregulated in hair follicles. Overall, our results demonstrated that chitosan and SDACNFs promoted hair growth and therefore may have applications as novel therapeutic agents for the treatment of hair loss in patients. (C) 2018 Elsevier B.V. All rights reserved.
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