BBB	Blood–brain barrier
BCAO	Bilateral common carotid artery occlusion
FC	Functional connectivity
FMT	Faecal microbiota transplantation
GBA	Gut–brain axis
GD	Gut dysbiosis
GF	Germ-free
GI	Gastrointestinal
GM	Gut microbiome
HPA	Hypothalamic–pituitary adrenal axis
IFN-γ	Interferon gamma
IL	Interleukin
LPS	Lipopolysaccharides
MCAO	Middle cerebral artery occlusion
RNS	Reactive nitrogen species
ROS	Reactive oxygen species
SCF	Short-chain fatty acid
SDI	Stroke Dysbiosis Index model
T2DM	Type 2 diabetes mellitus
Th cells	Helper T cells
TMAO	Trimethyl amine N-oxide
TNF-α	Tumor necrosis factor alpha
BBB	Blood–brain barrier
I/R	Ischemic/reperfusion
TMAO	Trimethylamine N-oxide
SCFAs	Short-chain fatty acids