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Archives of Dermatological Research

, Volume 310, Issue 4, pp 351–362 | Cite as

Leptin regulates the pro-inflammatory response in human epidermal keratinocytes

  • Moonyoung Lee
  • Eunyoung Lee
  • Sun Hee Jin
  • Sungjin Ahn
  • Sae On Kim
  • Jungmin Kim
  • Dalwoong Choi
  • Kyung-Min Lim
  • Seung-Taek Lee
  • Minsoo Noh
Original Paper

Abstract

The role of leptin in cutaneous wound healing process has been suggested in genetically obese mouse studies. However, the molecular and cellular effects of leptin on human epidermal keratinocytes are still unclear. In this study, the whole-genome-scale microarray analysis was performed to elucidate the effect of leptin on epidermal keratinocyte functions. In the leptin-treated normal human keratinocytes (NHKs), we identified the 151 upregulated and 53 downregulated differentially expressed genes (DEGs). The gene ontology (GO) enrichment analysis with the leptin-induced DEGs suggests that leptin regulates NHKs to promote pro-inflammatory responses, extracellular matrix organization, and angiogenesis. Among the DEGs, the protein expression of IL-8, MMP-1, fibronectin, and S100A7, which play roles in which is important in the regulation of cutaneous inflammation, was confirmed in the leptin-treated NHKs. The upregulation of the leptin-induced proteins is mainly regulated by the STAT3 signaling pathway in NHKs. Among the downregulated DEGs, the protein expression of nucleosome assembly-associated centromere protein A (CENPA) and CENPM was confirmed in the leptin-treated NHKs. However, the expression of CENPA and CENPM was not coupled with those of other chromosome passenger complex like Aurora A kinase, INCENP, and survivin. In cell growth kinetics analysis, leptin had no significant effect on the cell growth curves of NHKs in the normal growth factor-enriched condition. Therefore, leptin-dependent downregulation of CENPA and CENPM in NHKs may not be directly associated with mitotic regulation during inflammation.

Keywords

Leptin Epidermal keratinocytes Pro-inflammatory response Centromere proteins Gene ontology enrichment analysis 

Notes

Acknowledgements

This study was supported by a grant from the Korea Healthcare Technology R&D Project, Ministry of Health & Welfare, Republic of Korea (Grant No. HN13C0077), a National Research Foundation of Korea (NRF) grant funded by the Ministry of Science, ICT and Future Planning (Grant No. 2014M3C9A2064603), a NRF Grant (2015R1A2A2A01008408), and a grant by Promising-Pioneering Researcher Program through the Seoul National University (SNU) in 2015.

Compliance with ethical standards

Conflict of interest

The authors have no conflicts of interest.

Supplementary material

403_2018_1821_MOESM1_ESM.pdf (87 kb)
Supplementary material 1 (PDF 87 KB)

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.College of PharmacySeoul National UniversitySeoulRepublic of Korea
  2. 2.Natural Products Research Institute, College of PharmacySeoul National UniversitySeoulRepublic of Korea
  3. 3.Department of Public Health Science, Graduate School and College of Public Health ScienceKorea UniversitySeoulRepublic of Korea
  4. 4.College of PharmacyEwha Womans UniversitySeoulRepublic of Korea
  5. 5.Department of Biochemistry, College of Life Science and BiotechnologyYonsei UniversitySeoulRepublic of Korea

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