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Autologously transplanted dermis‐derived cells alleviated monobenzone‐induced vitiligo in mouse

Autologously transplanted dermis‐derived cells alleviated monobenzone‐induced vitiligo in mouse Vitiligo is a depigmentation disease which affects skin and hair follicles with a prevalence of 0.5%–1% worldwide. In this study, we aimed to investigate treatmental potential of dermis‐derived cells in monobenzone (MBEH)‐induced mouse vitiligo model with light and electron microscopy. MBEH (40%) cream was topically applied to C57BL/6 mice until depigmentation occured in vitiligo and experimental groups. In experimental groups, dermis‐derived cells obtained from back skin biopsy samples before induction of vitiligo, were injected intradermally to vitiligo mice. On Days 3 and 15 after cell transplantation to experimental groups, skin biopsies were compared with biopsies of control and vitiligo groups. Dermis‐derived cells obtained from back skin biopsy samples of experimental groups showed nestin and versican immunoreactivity. Melanin in hair follicles of control group was detected by histochemical stainings (Haematoxylin and eosin and Fontana–Masson) whereas sparse melanin granules were observed in hair follicles of vitiligo group. In experimental groups, there was an increase in the number of hair follicles with melanin compared with vitiligo group. We observed MART‐1 immunoreactive cells mostly around the hair follicles in control group and within dermis in vitiligo group. Electron microscopic investigation showed presence of melanosomes in hair follicles of control group and lacking in vitiligo group. In experimental groups, both type of hair follicles were observed with electron microscope. Our data suggest that autologously transplanted dermis‐derived cells may be effective in vitiligo treatment by contrubuting to melanin production. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Experimental Dermatology Wiley

Autologously transplanted dermis‐derived cells alleviated monobenzone‐induced vitiligo in mouse

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References (45)

Publisher
Wiley
Copyright
© 2022 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd
ISSN
0906-6705
eISSN
1600-0625
DOI
10.1111/exd.14603
Publisher site
See Article on Publisher Site

Abstract

Vitiligo is a depigmentation disease which affects skin and hair follicles with a prevalence of 0.5%–1% worldwide. In this study, we aimed to investigate treatmental potential of dermis‐derived cells in monobenzone (MBEH)‐induced mouse vitiligo model with light and electron microscopy. MBEH (40%) cream was topically applied to C57BL/6 mice until depigmentation occured in vitiligo and experimental groups. In experimental groups, dermis‐derived cells obtained from back skin biopsy samples before induction of vitiligo, were injected intradermally to vitiligo mice. On Days 3 and 15 after cell transplantation to experimental groups, skin biopsies were compared with biopsies of control and vitiligo groups. Dermis‐derived cells obtained from back skin biopsy samples of experimental groups showed nestin and versican immunoreactivity. Melanin in hair follicles of control group was detected by histochemical stainings (Haematoxylin and eosin and Fontana–Masson) whereas sparse melanin granules were observed in hair follicles of vitiligo group. In experimental groups, there was an increase in the number of hair follicles with melanin compared with vitiligo group. We observed MART‐1 immunoreactive cells mostly around the hair follicles in control group and within dermis in vitiligo group. Electron microscopic investigation showed presence of melanosomes in hair follicles of control group and lacking in vitiligo group. In experimental groups, both type of hair follicles were observed with electron microscope. Our data suggest that autologously transplanted dermis‐derived cells may be effective in vitiligo treatment by contrubuting to melanin production.

Journal

Experimental DermatologyWiley

Published: Sep 1, 2022

Keywords: dermis‐derived cells; hair follicle; MBEH; melanin; vitiligo

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