P. gingivalis	Porphyromonas gingivalis
DCs	Dendritic cells
PD	Periodontitis
APCs	Antigen-presenting cells
PBMCs	Peripheral blood mononuclear cells
MHC	Major histocompatibility complex
pDC	Plasmacytoid dendritic cells
PRR	Pattern recognition receptors
PAMP	Pathogen-associated molecular patterns
LPS	Lipopolysaccharide
TLRs	Toll-like receptors
CTLs	C-type lectin receptors
DC-SIGN	Dendritic Cell-Specific Intercellular adhesion molecule-3-Grabbing Non-integrin
LCs	Langerhans cells
OLF	Oral Lymphoid Foci
PMNs	Polymorphonuclear leukocytes
Treg	T regulatory cells
ATGs	Autophagy-related proteins
mTOR	Mechanistic target of rapamycin