Journal
EXPERIMENTAL DERMATOLOGY
Volume 26, Issue 7, Pages 569-576Publisher
WILEY
DOI: 10.1111/exd.13316
Keywords
cancer; cell migration; cell proliferation; ectopic expression; G protein-coupled receptors
Categories
Funding
- Heinrich und Alma Vogelsang Stiftung
- DFG [Sonderforschungsbereich 642]
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We identified the olfactory receptor 51E2 in human melanoma and have measured both OR51E2 mRNA and protein expression in melanoma tissue sections. qPCR analysis revealed that the receptor is upregulated in melanoma cells compared to normal melanocytes, indicating that OR51E2 may play a role in early melanoma development and progression. Activation of endogenous OR51E2 in cultured cells derived from metastatic and vertical-growth phase (VGP) by its ligand beta-ionone results in an increase in the intracellular Ca2+ concentration. RNAi experiments showed that the beta-ionone-induced Ca2+ signal depends on the activation of OR51E2. Furthermore, OR51E2 activation inhibits the growth of VGP melanoma cells via apoptotic processes. Cell motility assays revealed that treatment with beta-ionone decreases the migration of VGP melanoma cells. Overall, our data demonstrates that OR51E2 is involved in the regulation of cell proliferation and migration, suggesting that it may serve as a novel target for melanoma therapy.
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