Korean J Dermatol.  2003 Dec;41(12):1597-1602.

Identification of UVB Effects on Gene Expressed by Normal Human Melanocytes

Affiliations
  • 1Department of Dermatology, College of Medicine, Kyunghee University, Seoul, Korea. mhlee@khmc.or.kr

Abstract

BACKGROUND
Irradiation of the skin with ultraviolet rays result in alterations of immune response as well as melanogenesis and melanocarcinogenensis. These effects are largely mediated by soluble mediators released from epidermal cells in response to ultraviolet rays. OBJECTIVE: To evaluate the effect of ultraviolet B (UVB) irradiation on the normal human melanocyte gene expression. METHODS: We demonstrated genes modulated by UVB irradiation among over 300 genes coding CDs, cytokins, growth factors, and growth factor receptors in normal human melanocytes by cDNA microarray technique. RESULTS: Two genes out of 384 genes in cultured normal human melanocytes were found up-regulated following UVB irradiation. They are the genes coding lactotransferrin and CD160. Forty one genes out of 384 genes were found down-regulated by UVB irradiation. They included the genes coding IL-9, IL-5, TNF-alpha, TNF-beta, IL-6 receptor and CD20. CONCLUSION: These results provide the basis for future studies on the immunologic role in modulated genes by UV-stressed human melanocytes.

Keyword

Melanocyte; UVB; Microarray

MeSH Terms

Clinical Coding
Gene Expression
Humans*
Intercellular Signaling Peptides and Proteins
Interleukin-5
Interleukin-9
Lactoferrin
Lymphotoxin-alpha
Melanocytes*
Oligonucleotide Array Sequence Analysis
Receptors, Growth Factor
Receptors, Interleukin-6
Skin
Tumor Necrosis Factor-alpha
Ultraviolet Rays
Intercellular Signaling Peptides and Proteins
Interleukin-5
Interleukin-9
Lactoferrin
Lymphotoxin-alpha
Receptors, Growth Factor
Receptors, Interleukin-6
Tumor Necrosis Factor-alpha
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