ACE	angiotensin-converting enzyme
ACE2	angiotensin-converting enzyme 2
ACEI	angiotensin-converting enzyme inhibitors
AChE	acetylcholinesterase
AD	Alzheimer’s disease
ALS	amyotrophic lateral sclerosis
Ang II	angiotensin II
Ang-(1-7)	angiotensin-(1-7)
ApoE	apolipoprotein E
ARBs	Angiotensin II type 1 (AT1) receptor blockers
BBB	blood-brain barrier
BDNF	brain-derived neurotrophic factor
ChAT	choline acetyltransferase
CI	confidence interval
CNS	central nervous system
COPD	chronic obstructive pulmonary disease
COVID-19	coronavirus disease 2019
CSF	cerebrospinal fluid
GM-CSF	granulocyte macrophage-colony stimulating factor
HCV	hepatitis C virus
HiPSCs	human-induced pluripotent stem cells
IFN	interferon
IL-1β	interleukin-1β
IL-2	interleukin-2
IL-6	interleukin-6
IL-10	interleukin-10
IP-10	interferon-γ-inducible protein 10
HIV	human immunodeficiency virus
HSV	herpes simplex virus
mACE2	membrane-bound ACE2
MCP-1	monocyte chemoattractant protein-1
MMSE	Mini-Mental State Examination
NPI	Neuropsychiatric Inventory
PD	Parkinson’s disease
PET	positron emission tomography
NLRP3	NLR family pyrin domain-containing protein 3
OR	odds ratio
ORF3a	open reading frame 3a
RCD	rapid cognitive decline
ROS	reactive oxygen species
sACE2	soluble ACE2
SARS-CoV-2	severe acute respiratory syndrome coronavirus 2
TNF-α	tumor necrosis factor α