A	absorbance
ANOVA	analysis of variance
°C	degree celsius
DMEM	Dulbecco’s modified Eagle’s medium
DMSO	dimethyl sulfoxide
GP-p-NA	gly-pro-p-nitroanilide
IBMX	isobutyl-methylxanthine
LPS	lipopolysaccharide
MTT	3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetra-zolium bromide
nm	nanometer
NMR	nuclear magnetic resonance
NO	nitric oxide
pNPG	para-nirophenyl-α-D-glucopyranoside
RPMI	Roswell Park Memorial Institute
UV	ultraviolet