ACE-1	angiotensin-converting enzyme 1
ACE-2	angiotensin-converting enzyme 2
AIP	plasma atherogenic index
ARD	acute respiratory distress syndrome
CD147	cluster of differentiation 147
COVID-19	coronavirus disease 2019
ECM	extracellular matrix
GCF	gingival crevicular fluid
HbA1c	glycosylated hemoglobin
HGEC	human gingival epithelial cells
IL-6R	IL-6 receptor
IL	interleukin
iNOS	inducible nitric oxide synthase
LPS	lipopolysaccharide
MAPK	mitogen-activated protein kinase
MMP	matrix metalloproteinases
NET	neutrophil extracellular traps
NETosis	generation of NET
NF-κB	nuclear factor kappa B
NLR	NOD-like receptor
NLRP-3	NLR family pyrin domain containing 3
NO	nitric oxide
PGE2	prostaglandin E2
PMN	polymorphonuclear cells
RANKL	receptor activator of nuclear factor-κB ligand
SARS-CoV-2	severe acute respiratory syndrome coronavirus type 2
T2DM	type 2 diabetes mellitus
TGF-β	transforming growth factor beta
Th1 cells	type 1 T helper cells
TIMPs	tissue inhibitors of matrix metalloproteinases
TMPRSS-2	transmembrane serine protease 2
TNF-α	tumor necrosis factor alpha