Identifying the niche controlling melanocyte differentiation

Genes & Development
Manuel Zocco, Cédric Blanpain

Abstract

Melanocytes present in hair follicles are responsible for their pigmentation. Melanocyte differentiation and hair pigmentation depend on the stem cell factor (SCF)/c-Kit signaling pathway, but the niche that regulates melanocyte differentiation is not well characterized. In this issue of Genes & Development, Liao and colleagues (pp. 744-756) identify Krox20+-derived cells of the hair shaft as the niche and the essential source of SCF required for melanocyte maturation. This study delineates the niche factors regulating melanocyte differentiation and hair pigmentation and opens up new avenues to further characterize the cross-talk between the hair follicle and melanocytes that controls melanocyte maintenance and differentiation.

References

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Citations

Jun 13, 2020·Mechanisms of Ageing and Development·Samir Kumar Patra

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