2019-nCoV	novel coronavirus 2019
ACE	angiotensin-converting enzyme
ACE2	angiotensin-converting enzyme 2
ADMA	asymmetric dimethylarginine
ADP	adenosine diphosphate
ALA	alpha-lipoic acid
AMI	acute myocardial infarction
Ang	angiotensin
Ang 1-7	angiotensin 1 to 7
ARDS	acute respiratory distress syndrome
ARE	antioxidant response element
AT1	angiotensin II type 1 receptor
ATP	adenosine triphosphate
BH4	tetrahydrobiopterin
BPRS	Brief Psychiatric Rating Scale
CIS	cytokine-inducible Src homology 2 protein
Cmax	maximum plasma concentration
CoQ10	coenzyme Q10 or ubiquinol
COVID-19	coronavirus disease 2019
CoVs	coronaviruses
COX-2	cyclo-oxygenase-2
CRP	C reactive protein
DDAH	dimethylarginine dimethylaminohydrolase
D-dimer	dimerized plasma fragment D
DHLA	acid dihydrolipoic
DNA	deoxyribonucleic acid
E	envelope protein
e−	electron
eNOS	endothelial nitric oxide synthase
Fe2+	ferrous ion
FMD	flow-mediated dilation
G6PD	glucose-6-phosphate dehydrogenase
GDF15	growth/differentiation factor 15
GPx	glutathione peroxidise
GSH	reduced glutathione
GSSG	oxidized glutathione
H	hydrogen
H+	proton
H2O	water
H2O2	hydrogen peroxide
HCoV	human coronavirus
HLH	hemophagocytic lymphohistiocytosis
HO•	hydroxyl radical
HOMA-IR	Homeostasis Model Assessment of Insulin Resistance
HSV-1	herpes simplex virus type 1
I	complex I of the mitochondrial respiratory chain
i.v.	intravenous administration
ICAM-1	intercellular adhesion molecule-1
IFN-I	type I interferon
IFNs	interferons
IFN-γ	interferon-γ
II	complex II of the mitochondrial respiratory chain
III	complex III of the mitochondrial respiratory chain
IL	interleukin
IL-1	interleukine-1
IL-1β	interleukin-1β
IL-6	interleukine-6
iNOS	inducible nitric oxide synthase
IV	complex IV of the mitochondrial respiratory chain
KGDH	α-ketoglutarate dehydrogenase
LPS	lipopolysaccharides
M	membrane protein
MAS	macrophage activation syndrome
MasR	mitochondrial assembly receptor
MCP-1	monocyte chemoattractant protein-1
MDA	malondialdehyde
MERS-CoV	Middle East respiratory syndrome coronavirus
mtROS	mitochondrial ROS
N	nucleocapsid protein
NAC	N-acetyl cysteine
NAD(P)	nicotinamide adenine dinucleotide (phosphate)
NAD(P)H	reduced form of nicotinamide adenine dinucleotide (phosphate)
NAPQI	N-acetyl-para-benzoquinone imine
NETs	neutrophil extracellular traps
NF-κB	nuclear factor kappa B
NIS-LL	Neuropathy Impairment Score of the lower limbs
NO	nitric oxide
NOx	NADPH oxidase
NRF2	nuclear factor erythroid 2-related factor 2
NRF2-ARE	nuclear factor erythroid 2-related factor 2–antioxidant response element
NSPs	nonstructural proteins
O2	oxygen
O2•−	anion superoxide
ONOO−	peroxynitrite anion
OS	oxidative stress
PAI-1	plasminogen activator inhibitor-1
Pi	inorganic phosphate
RAS	renin angiotensin system
RBD	receptor-binding domain
RNA	ribonucleic acid
ROOH	hydroperoxide
ROS	reactive oxygen species
S	spike protein
SARS-CoV	respiratory syndrome coronavirus
SARS-CoV-2	severe acute respiratory syndrome coronavirus 2
SOCS	suppressor of the cytokine signaling proteins
SOD	superoxide dismutase
TMPRSS2	transmembrane protease serine 2
TNF-α	tumor necrosis factor-α
TSS	Total Symptom Score
VCAM-1	vascular cell adhesion molecule-1
VWF	Von Willebrand Factor