GSH	Reduced glutathione
UV	Ultraviolet
l-DOPA	l-dihydroxyphenylalanine
GSSG	Oxidized glutathione
GSH-MEE	GSH monoethyl ester
GSH-DEE	GSH diethyl ester
GSH-MIPE	GSH monoisopropyl ester
MITF	Microphthalmia-associated transcription factor
TRP-1	Tyrosinase-related protein-1
TRP-2	Tyrosinase-related protein-2
PMA	Phorbol 12-myristate 13-acetate
FBS	Fetal bovine serum
DMEM	Dulbecco’s modified Eagle’s medium
TPA	12-O-tetradecanoylphorbol-13-acetate
CT	Cholera toxin
ELISA	Enzyme immunosorbent assay
α-MSH	α-melanocyte-stimulating hormone
OD	Optical densities
A350	Absorbance at 350 nm
A400	Absorbance at 400 nm
TBS-T	Tris buffered saline with Tween 20
BSA	Bovine serum albumin
ANOVA	Analysis of variance
GGT	γ-glutamyltranspeptidase
HPLC	High-performance liquid chromatography
EPR	Electron paramagnetic resonance