AITDs	Autoimmune thyroid diseases
APCs	Antigen-presenting cells
D1	Type I iodothyronine deiodinase
D2	Type II iodothyronine deiodinase
FXR	Farnesoid X receptor
HT	Hashimoto’s thyroiditis
I-FABP	Intestinal fatty acid-binding protein
IFN-γ	Interferon gamma
IL	Interleukin
LPS	Lipopolysaccharides
NF-κB	Nuclear factor kappa B
SCFAs	Short-chain fatty acids
TGR5	Takeda G protein-coupled receptor 5
Th	T helper cell
TLR	Toll-like receptor
TNF-α	Tumor necrosis factor alpha
TPOAb	Thyroid peroxidase antibodies
Treg	Regulatory T cells
TSH	Thyroid-stimulating hormone