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- Title
Inhibition of NAT10 Suppresses Melanogenesis and Melanoma Growth by Attenuating Microphthalmia-Associated Transcription Factor (MITF) Expression.
- Authors
Taek-In Oh; Beong-Ou Lim; Ji-Hong Lim; Yoon-Mi Lee
- Abstract
N-acetyltransferase 10 (NAT10) has been considered a target for the treatment of human diseases such as cancer and laminopathies; however, its functional role in the biology of melanocytes is questionable. Using a small molecule or small interfering RNA targeting NAT10, we examined the effect of NAT10 inhibition on melanogenesis and melanoma growth in human and mouse melanoma cells. Genetic silencing or chemical inhibition of NAT10 resulted in diminished melanin synthesis through the suppression of melanogenesis-stimulating genes such as those encoding dopachrome tautomerase (DCT) and tyrosinase in B16F10 melanoma cells. In addition, NAT10 inhibition significantly increased cell cycle arrest in S-phase, thereby suppressing the growth and proliferation of malignant melanoma cells in vitro and in vivo. These results demonstrate the potential role of NAT10 in melanogenesis and melanoma growth through the regulation of microphthalmia-associated transcription factor (MITF) expression and provide a promising strategy for the treatment of various skin diseases (melanoma) and pigmentation disorders (chloasma and freckles).
- Subjects
ACETYLTRANSFERASES; MELANOMA; MELANOGENESIS; DOPACHROME tautomerase; GENE silencing; INHIBITION (Chemistry); MICROPHTHALMIA-associated transcription factor; PIGMENTATION disorders
- Publication
International Journal of Molecular Sciences, 2017, Vol 18, Issue 9, p1924
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms18091924