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Exp Dermatol. 2012 Dec;21(12):948-50. doi: 10.1111/exd.12038.

Improved method of differentiation, selection and amplification of human melanocytes from the hair follicle cell pool.

Abstract

Hair root harbours a complex cell pool with an immense developmental potential. Several lineages, including skin, can be differentiated from the multipotent to pluripotent cells of outer root sheath (ORS) of hair follicle. Outer root sheath presents the most opulent non-invasively gained adult stem cell source known. For the purposes of cultivating melanocytes designated for graft-based treatments of depigmentation disorders, we have established an ex vivo/in vitro cultivation method by introducing several methodological improvements to the ORS explant method of Dieckmann. As a result, we gained a higher, purer yield of differentiated melanocytes in half the time (at least 10(6) of 95% pure cells in 4 weeks). This reliable cultivation procedure begins with the epilation of 60 hairs and yields high numbers of ORS melanocytes that could be used for grafting applications. The procedure not only utilises the developmental potential of hair root cell pool and favors differentiation into melanocytes, but also contributes to the general trend of minimal-to-non-invasive strategies for regenerative medicine.

PMID:
23171457
DOI:
10.1111/exd.12038
[Indexed for MEDLINE]
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