DSB	Double-strand break
ERK	Extracellular signal-regulated protein kinase
FCS	Fetal calf serum
GPCR	G protein-coupled receptor
MC1R	Melanocortin 1 receptor
αMSH	α-melanocyte-stimulating hormone
MITF	Microphthalmia-associated transcription factor
NDP-MSH	[Nle4, dphe7]-α-melanocyte-stimulating hormone
NER	Nucleotide excision repair
PPARγ	Peroxisome proliferator-activated receptor
γH2AX	Phosphorylated histone h2ax
ROS	Reactive oxygen species
SSB	Single-strand break
UVR	Ultraviolet solar radiation
WT	Wildtype