Archives of Dermatological Research

, Volume 307, Issue 3, pp 281–289 | Cite as

A comparative study of mitochondrial ultrastructure in melanocytes from perilesional vitiligo skin and perilesional halo nevi skin

  • Gao-Zhong Ding
  • Wen-E Zhao
  • Xue Li
  • Qing-Li Gong
  • Yan LuEmail author
Concise Communication


Vitiligo and halo nevi are both pigmentary disorders of the skin characterized by the acquired loss of functional epidermal melanocytes manifesting as white macules and patches. The cellular mechanism(s) and biochemical changes that result in the appearance of these two types of achromic lesions are still uncertain; and the relationship between vitiligo and halo nevi has been in dispute. In this study, we investigated the ultrastructure of mitochondria in melanocytes and in keratinocytes from perilesional vitiligo skin and from perilesional halo nevi skin using Transmission Electron Microscopy. Furthermore, we performed a quantitative analysis of mitochondrial morphology through a stereological study. As previously reported, we found that melanocytes from perilesional active vitiligo skin were loosely connected with their surroundings by their retracted dendrites. The surface density and the volume density of mitochondria in melanocytes and in keratinocytes from perilesional vitiligo skin are increased significantly compared with the controls, especially in active vitiligo. In contrast, there are no significant differences in mitochondria in melanocytes and in keratinocytes from perilesional halo nevi skin compared with the controls. In summary, the tendency of different morphologic alterations in mitochondria from perilesional vitiligo skin and from perilesional halo nevi skin reflect heterogeneous backgrounds between the two diseases, revealing that vitiligo and halo nevi may have separate pathogenic mechanisms. These findings may help elucidate the relationship of these two diseases and their underlying mechanisms.


Melanocyte Keratinocyte Mitochondria Ultrastructure Vitiligo Halo nevi 



This study was funded by the National Natural Science Foundation of China (Grant NO.81171517).

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical standards

Informed consent was obtained from all patients. Procedures were carried out in accordance with the ethical standards of the First Affiliated Hospital, Nanjing Medical University and with the 1964 Helsinki declaration and its later amendments.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  • Gao-Zhong Ding
    • 1
  • Wen-E Zhao
    • 2
  • Xue Li
    • 1
  • Qing-Li Gong
    • 1
  • Yan Lu
    • 1
    Email author
  1. 1.Dermatology Department, The First Affiliated HospitalNanjing Medical UniversityNanjingPeople’s Republic of China
  2. 2.Department of Analysis and Testing CenterNanjing Medical UniversityNanjingPeople’s Republic of China

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