Abbreviation	Full name/Meaning
AMP	Antimicrobial Peptide
CAMP	Cationic Antimicrobial Peptide
HD-5/HD-6	Human Defensin 5/6
LL-37	Human Cathelicidin Peptide
HBD	Human Beta-Defensin
MDR	Multidrug-Resistant
XDR	Extensively Drug-Resistant
MRSA	Methicillin-Resistant Staphylococcus aureus
SSTI	Skin and Soft Tissue Infections
LPS	Lipopolysaccharide
LTA	Lipoteichoic Acid
QS	Quorum Sensing
GI Tract	Gastrointestinal Tract
IBD	Inflammatory Bowel Disease
NEC	Necrotizing Enterocolitis
PRR	Pattern-Recognition Receptor
TLR	Toll-Like Receptor
NF-κB	Nuclear Factor kappa B
MAPK	Mitogen-Activated Protein Kinase
CFU	Colony-Forming Unit
MIC	Minimum Inhibitory Concentration
IDR	Innate Defense Regulator
PAMPs	Pathogen-Associated Molecular Patterns
APC	Antigen-Presenting Cell
IECs	Intestinal Epithelial Cells
SCFAs	Short-Chain Fatty Acids
ROS	Reactive Oxygen Species