IM	Intestinal mucositis
5-FU	5-fluorouracil
IHC	Immunohistochemical
RT-PCR	Real-time PCR
ERK	Extracellular-regulated protein kinases
MLCK	Myosin light chain kinase
MLC2	Myosin light chain 2
ELISA	Enzyme-linked immunosorbent assay
TNF-α	Tumor necrosis factor-alpha
IFN-γ	Interferon gamma
ZO-1	Zonula occludens-1
IL	Interleukin
BTC	Bifid. Triple Viable Capsules Dissolving at Intestines
MTT	3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide
DMSO	Dimethyl sulfoxide
PBS	Phosphate-buffered saline
HE	Hematoxylin and eosin
PCoA	Principal coordinate analysis
LEfSe	LDA effect Size
FBS	Fetal bovine serum
BSA	Bovine serum albumin
SPF	Specific pathogen-free
SD	Sprague–Dawley
TCM	Traditional Chinese Medicine
IEC-6	Rat intestinal epithelial cell line 6
PVDF	Polyvinylidene difluoride
ECL	Electro-chemiluminescence