Aβ	amyloid-beta
AHRs	aryl hydrocarbon receptors
AQP4	aquaporin4
BBB	blood–brain barrier
CM	chylomicrons
CNS	central nervous system
CXCR3	CXC chemokine receptors3
EECs	entero-endocrine cells
ENS	enteric nervous system
HDAC1/2	histone deacetylases1/2
IB	intestinal barrier
IL	interleukin
ILC	innate lymphoid cells
iNOS	inducible nitric oxide synthase
iPSC	induced pluripotent stem cell
IS	immune system
LOAD	late onset AD
LPS	lipopolysaccharides
MAMPs	microbe-associated molecular patterns
NO	nitric oxide
NVU	neurovascular unit
PAMPs	pathogen-associated molecular patterns
P2RY12	purinergic 2 receptor Y12
ROS	reactive oxygen species
SCFA	short chain fatty acid
Th1	T helper 1
TLR	Toll-like receptor
TNF	tumor necrosis factor