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https://hdl.handle.net/2440/66803
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Type: | Journal article |
Title: | Regeneration of hair follicles is modulated by flightless I (Flii) in a rodent Vibrissa model |
Author: | Waters, J. Lindo, J. Arkell, R. Cowin, A. |
Citation: | Journal of Investigative Dermatology, 2011; 131(4):838-847 |
Publisher: | Blackwell Publishing Inc |
Issue Date: | 2011 |
ISSN: | 0022-202X 1523-1747 |
Statement of Responsibility: | James M. Waters, Jessica E. Lindo, Ruth M. Arkell and Allison J. Cowin |
Abstract: | Regeneration of cells, tissues, and organs has long captured the attention of researchers for its obvious potential benefits in biomedical applications. Although mammals are notoriously poor at regeneration compared with many lower-order species, the hair follicle, paradoxically a defining characteristic of mammals, is capable of regeneration following partial amputation. To investigate the role of a negative regulator of wound healing, flightless I (Flii), on hair follicle regeneration, the bulbar region of vibrissae from rats as well as strains of mice expressing low (Flii+/−), normal (Flii+/+), and high (FLIITg/Tg) levels of Flii were surgically amputated, and then allowed to regenerate in vivo. Macroscopic and histological assessment of the regeneration process revealed impaired or delayed regenerative potential in Flii+/− follicles. Regenerated follicles expressing high levels of Flii (FLIITg/Tg) produced significantly longer terminal hair fibers. Immunohistochemical analysis was used to characterize the pattern of expression of Flii, as well as markers of hair follicle development and wound healing-associated factors during hair follicle regeneration. These studies confirmed that Flii appears to have a positive role in the regeneration of hair follicles, contrary to its negative influence on wound healing in skin. |
Keywords: | Vibrissae Animals Mice, Inbred BALB C Mice Mice, Mutant Strains Rats Rats, Wistar Disease Models, Animal Microfilament Proteins Carrier Proteins Cytoskeletal Proteins Trans-Activators Regeneration Wound Healing Male Keratins Biomarkers |
Rights: | © 2011 The Society for Investigative Dermatology |
DOI: | 10.1038/jid.2010.393 |
Published version: | http://dx.doi.org/10.1038/jid.2010.393 |
Appears in Collections: | Aurora harvest Paediatrics publications |
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