5-HT	5-hydroxytryptamine
5-HTT	Serotonin transporter
5HIAA	5-hydroxyindoleacetic acid
10-HDA	Trans-10-hydroxy-2-decenoic acid
Aβ	Beta-amyloid peptide
β-secretase/BACE1	Beta-site APP cleaving enzyme 1
ACh	Acetylcholine
AChE	Acetylcholinesterase
AChRs	Acetylcholine receptors
ADL	Activities of daily living
AGEs	Advanced glycation end products
AD	Alzheimer’s disease
AP-1	Activator protein
AMPK	Adenosine monophosphate activated protein kinase
APP	Amyloid precursor protein
ATF4	Activating transcription factor 4
ATP	Adenosine triphosphate
APOE	Apolipoprotein E
BBB	Blood brain barrier
Caspase	Cysteine-aspartic acid protease
CaSR	Ca2+-sensing receptor
cAMP	cyclic adenosine mono phosphate
ChAT	Choline acetyltransferase
CHOP	CCAAT enhancer-binding (C/EBP) protein homologous protein
CNS	Central nervous system
COX	Cyclooxygenase
CREB	cAMP-response element (CRE)-binding protein
DAEE	Trans-2-decenoic acid ethyl ester
DG	Dentate gyrus
DOPAC	3,4-dihydroxyphenylacetic acid
EAAT	Excitatory amino acid transporter
eIF2α	Eukaryotic initiation factor 2 alpha
eNOS	Endothelial NO synthase
ER	Endoplasmic reticulum
EREs	Estrogen Response Elements
ERK	Extracellular signal-regulated kinase
FOXO	Forkhead Box O transcription factor
fT4	Free thyroxine
GABA	Gamma-aminobutyric acid
GAD	Glutamate decarboxylase
GABA-T	GABA-transaminase
GI	Gastrointestinal
GLT-1	Glutamate transporter 1
GLUT4	Glucose transporter
GSH-Px	Glutathione peroxidase
GSK-3β	Glycogen synthase kinase-3β
H2O2	Hydrogen peroxide
H2S	Hydrogen sulfide
HBMECs	Human brain microvascular endothelial cells
HIF-1α	Hypoxia inducible factor-1α
HO-1	Heme oxygenase-1
HPO-DAEE	4-Hydroperoxy-2- decenoic acid ethyl ester
hSAA1	Human Serum Amyloid A1
HSF-1	Heat shock transcription factor 1
IDE	Insulin-degrading enzyme
IKK	Inhibitor of kappa B kinase
IIS	Insulin/insulin-like growth factor
IκB	Inhibitor of κB
iNOS	Inducible nitric oxide synthase
JNK	c-Jun NH2-terminal kinases
K63-Ub	K63-linked polyubiquitin
LC3-II	Microtubule-associated protein 1 light chain 3-II
LRP-1	Low-density lipoprotein receptor-related protein 1
M1-Ub	M1 position
MAP-2	Microtubule-associated protein 2
MAPK	Mitogen-activated protein kinase
MBP	Myelin basic protein
MCI	Mild cognitive impairment
MDA	Malonaldehyde
MOMP	Mitochondrial outer membrane permeabilization
mTOR	Mammalian target of rapamycin
NAD+	Nucleotide nicotinamide adenine dinucleotide
NA	Nicotinic acid
NaMN	Nicotinic acid mononucleotide
NEP	Neprilysin
NF-κB	Nuclear factor-kappa B
NFTs	Neurofibrillary tangles
NO	Nitric oxide
NOS	Nitric oxide species
nNOS	Neuronal NO synthase
NMDAR	N-methyl-d-aspartate receptor
NLRP3	Nucleotide-binding domain and leucine-rich repeat containing protein 3
NRF2	Nuclear factor-erythroid 2-related factor 2
NS/NPCs	Neural stem/progenitor cells
p90RSK	pp90 ribosomal S6 kinase
PERK	Protein kinase RNA like ER kinase
PKA	cAMP-dependent protein kinase
PS1	Presenilin 1
RIPK1	Receptor-interacting serine/threonine-protein kinase 1
RAGE	Receptor for Advanced Glycation End products
RJ	Royal jelly
RJPs	Royal jelly peptides
RNS	Reactive nitrogen species
ROS	Reactive oxygen species
SPs	Senile plaques
SQSTM1/p62	Sequestosome 1
STAT1	Signal transducer and activator of transcription 1
T3	Triiodothyronine
T4	Thyroxine
TGF-β	Transforming growth factor-β
TAK	TGF-β-associated kinase
TAB	TAK binding protein
TLR	Toll-like receptor
TrkA	Tropomyosine-related kinase A
TNF-α	Tumor necrosis factor-α
TRAF	TNF receptor-associated factor 1
UCBMCs	Umbilical cord blood mononuclear cells
ULK	Unc-51-like autophagy activating kinase
UPR	Unfolded protein response
VEGF	Vascular Endothelial Growth Factor
Zn	Zinc