Cited by 117melanin and skin pigmentationMicroRNA in disease regulationHair Growth and Disorders

The DOI matches its Crossref record; 61 of the 61 references it cites were found in a registry or an index.

Oxidative stress-induced overexpression of miR-25: the mechanism underlying the degeneration of melanocytes in vitiligo

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Shi, Q, Zhang, W, Guo, S, Jian, Z, Li, S, Li, K, Ge, R, Dai, W, Wang, G, Gao, T, Li, C·2016·Cell Death & Differentiation

Abstract

Oxidative stress has a critical role in the pathogenesis of vitiligo. However, the specific molecular mechanism involved in oxidative stress-induced melanocyte death is not well characterized. Given the powerful role of microRNAs (miRNAs) in the regulation of cell survival as well as the fact that the generation of miRNAs can be affected by oxidative stress, we hypothesized that miRNAs may participate in vitiligo pathogenesis by modulating the expression of vital genes in melanocytes. In the present study, we initially found that miR-25 was increased in both serum and lesion samples from vitiligo patients, and its serum level was correlated with the activity of vitiligo. Moreover, restoration of miR-25 promoted the H2O2-induced melanocyte destruction and led to the dysfunction of melanocytes. Further experiments proved that MITF, a master regulator in melanocyte survival and function, accounted for the miR-25-caused damaging impact on melanocytes. Notably, other than the direct role on melanocytes, we observed that miR-25 inhibited the production and secretion of SCF and bFGF from keratinocytes, thus impairing their paracrine protective effect on the survival of melanocytes under oxidative stress. At last, we verified that oxidative stress could induce the overexpression of miR-25 in both melanocytes and keratinocytes possibly by demethylating the promoter region of miR-25. Taken together, our study demonstrates that oxidative stress-induced overexpression of miR-25 in vitiligo has a crucial role in promoting the degeneration of melanocytes by not only suppressing MITF in melanocytes but also impairing the paracrine protective effect of keratinocytes. Therefore, it is worthy to investigate the possibility of miR-25 as a potential drug target for anti-oxidative therapy in vitiligo.

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Metadata

Authors
Shi, Q., Zhang, W., Guo, S., Jian, Z., Li, S., Li, K., Ge, R., Dai, W., Wang, G., Gao, T., & Li, C.
Affiliations
Xijing Hospital (CN)
Venue
Cell Death & Differentiation
Published
2015-08-28
Volume
23
Issue
3
Pages
496-508
ISSN
  • 1350-9047 (ISSN-L)
  • 1476-5403
OpenAlex
W1912778406
Cited by
117
References
60
Citations by year
2026: 7 · 2025: 12 · 2024: 12 · 2023: 9 · 2022: 11 · 2021: 11 · 2020: 21 · 2019: 13 · 2018: 6 · 2017: 10 · 2016: 3 · 2015: 1
FWCI
3.55
Type
journal article
Language
en
Open access
Locations
  • Cell Death and Differentiation (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Natural Science Foundation of China (81130032, 30972528, 81172749, 81472863)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › melanin and skin pigmentation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › MicroRNA in disease regulation
  • Health Sciences › Medicine › Dermatology › Hair Growth and Disorders
Keywords
vitiligo, miR-25, oxidative stress, MITF, hydrogen peroxide, keratinocytes, stem cell factor, basic fibroblast growth factor, DNA methylation, microRNA overexpression, paracrine signaling, therapeutic target
MeSH terms
Base Sequence, Binding Sites, Cells, Cultured, Humans, Melanocytes, Vitiligo, Keratinocytes, Gene Expression, Case-Control Studies, Fibroblast Growth Factor 2, Apoptosis, Oxidative Stress, Stem Cell Factor, 3' Untranslated Regions, RNA Interference, MicroRNAs, Microphthalmia-Associated Transcription Factor

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