VDBP	Vitamin D binding protein
VDR	Vitamin D receptor
IBD	Inflammatory bowel diseases
CD	Crohn’s disease
UC	Ulcerative colitis
KO	Knockout
SNPs	Single nucleotide polymorphisms
GcMAF	Group-specific component macrophage activating factor
TEER	Transepithelial electrical resistance
IECs	Intestinal epithelial cells
DSS	Dextran sodium sulfate
RNA	Ribonucleic acid
DNA	Deoxyribonucleic acid
PPs	Peyer’s patches
ILFs	Isolated lymphoid follicles
Treg	Regulatory T cells
Th	T helper
DCs	Dendritic cells
ILCs	Isolated lymphatic cells
IL	Interleukin
IFN	Interferon
TNF	Tumor necrosis factor
HBD	Human beta defensin
CAMP	Cathelicidin antimicrobial peptide
NOD2	Nucleotide-binding oligomerization domain-containing protein 2
MMP	Matrix metalloproteinase
TLR	Toll like receptor
LPS	Lipopolysaccharide
IU	International unit
OR	Odds ratio
CI	Confidence interval