期刊
BIOLOGICAL & PHARMACEUTICAL BULLETIN
卷 29, 期 4, 页码 655-669出版社
PHARMACEUTICAL SOC JAPAN
DOI: 10.1248/bpb.29.655
关键词
kojic acid; A375 cell; melanoma; DNA microarray; gene expression
Kojic acid is a natural product and normally used as a food additive and preservative, a skin-whitening agent in cosmetics, a plant growth regulator and a chemical intermediate. Using DNA microarray technology, the overall biological effects of kojic acid on the gene expression profiling of a human skin A375 malignant melanoma cells were examined. After treatment with kojic acid, a total of 361 differentially expressed genes were distinctively changed with 136 up-regulated genes and 225 down-regulated genes. We used the bioinformatics tool to search the gene ontology and category classification of differentially expressed genes that provided the useful information of expressed genes belonging to cellular component, molecular function and biological process in regulation of melanogenesis. Seven down-regulated genes of APOBEC1, ARBGEF16, CD22, FGFR3, GALNT1, UNC5C and ZNF146 that were typically validated by the real-time quantitative PCR (RT-qPCR) analysis technology showed to be the tumor suppressor genes in melanoma cancer cells. Thus, microarray technology coupled with RT-qPCR offered a high throughput method to explore the number of differentially expressed genes responding to kojic acid and their biological functions, and led to more understanding of kojic acid effects on skin cancer therapy and related side effects. Moreover, the differentially expressed genes may become useful markers of skin malignant melanoma for further diagnostic and therapeutic applications.
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