AD	Alzheimer’s disease
ADAM	A disintegrin and metalloprotease
AICD	APP intracellular domain
APP	β-amyloid precursor protein
Aph-1	Anterior pharynx-defective 1
Asn	Asparagine
Aβ	β-amyloid
BACE1	β-site APP cleaving enzyme-1
FDG	Fluoro-2-deoxy-D-glucose
GalNAc	N-acetylgalactosamine
GFAT	Glutamine-fructose-6-phosphate amidotransferase
GlcNAc	N-acetylglucosamine
GLUT	Glucose transporter
GnT-III	β1,4-N-acetylglucosaminyltransferase III
HBP	Hexosamine biosynthetic pathway
hAPP	human APP
LLO	Lipid-linked oligosaccharide
MAP	Microtubule-associated protein
Mgat3−/−	GnT-III-deficient
mOGT	Mitochondrial OGT
ncOGT	Nucleocytoplasmic OGT
NFTs	Neurofibrillary tangles
NICD	Notch intracellular domain
OGA	O-GlcNAcase
OGA-L	OGA Large
OGA-S	OGA short
O-GlcNAcylation	O-linked β-N-acetylglucosaminylation
OGT	O-GlcNAc transferase
OST	Oligosaccharyltransferase
Pen-2	Presenilin enhancer 2
PET	Positron emission tomography
PSEN	Presenilin
PTMs	Post-translational modifications
ROS	Reactive oxygen species
Ser	Serine
sOGT	short OGT
TCA	Tricarboxylic acid
Thr	Threonine
T2DM	Type II diabetes mellitus
UDP-GlcNAc	Uridine 5′-diphospho-N-acetylglucosamine
3 × Tg-AD	Triple transgenic murine model of AD