FPN	ferroportin
GCF	gingival crevicular fluid
HDL	high density lipoprotein
HSPC	hematopoietic stem and progenitor cells
IL	interleukin
LBP	LPS-binding protein
LDL	low density lipoprotein
LGE	low-grade endoxemia
LPS	lipopolysaccharide
LRR	leucine-rich repeat containing
MDPI	multidisciplinary Digital Publishing Institute
MMP	matrix metalloprotease
NETs	neutrophil extracellular traps
SDs	systemic diseases
PADI4	peptidylarginine deiminases 4
PAMPs	pathogen associated molecular patterns
PMN	polymorphonuclear cells
SLGI	systemic low-grade inflammation
TLR	toll-like receptor
TNF	tumor necrosis factor
Treg	Regulatory T cells