[Ca2+]i	Intracellular Ca2+ level
5-HT	Serotonin
ASIC	Acid-sensing ion channel
BH2	Dihydrobiopterin
BH4	Tetrahydrobiopterin
BKCa	Large conductance Ca2+-activated K+ channels
BNP	Brain natriuretic peptide
Ca2+	Calcium
CH	Chronic hypoxia
COPD	Chronic obstructive pulmonary disease
CoQ	Coenzyme Q
DAG	Diacylglycerol
DTNB	5,5′-Dithiobis(2-nitrobenzoic acid)
DTT	Dithiothreitol
EC	Endothelial cell
EGFR	Epidermal growth factor receptor
eNOS	Endothelial nitric oxide synthase
ET-1	Endothelin-1
ETC	Electron transport chain
FAD	Flavin adenine dinucleotide
GPCR	G protein coupled receptor
GSH	Reduced glutathione
GSSG	Oxidized glutathione
H2O2	Hydrogen peroxide
HPV	Hypoxic pulmonary vasoconstriction
IKCa	Intermediate conductance Ca2+-activated K+ channels
IP3	Inositol triphosphate
K+	Potassium
K2P	Four transmembrane segments-2 pores K+ channels
KATP	ATP-sensitive K+ channels
KCa	Ca2+-activated K+ channels
KO	Knockout
KV	Voltage-gated K+ channels
MAO	Monoamine oxidase
MitoROS	Mitochondria-derived ROS
MLCK	Myosin light chain kinase
MLCP	Myosin light chain phosphatase
mPAP	Mean pulmonary arterial pressure
MSC	Mechanosensitive channel
MYPT1	Myosin phosphatase target subunit 1
Na+	Sodium
NADPH	Reduced nicotinamide adenine dinucleotide phosphate
NO	Nitric oxide
NOX	NADPH oxidase
O2.−	Superoxide anion
ONOO−	Peroxynitrite ion
PA	Pulmonary artery
PAEC	Pulmonary arterial endothelial cell
PAH	Pulmonary arterial hypertension
PASMC	Pulmonary arterial smooth muscle cell
PEG-SOD	Polyethylene glycol-conjugated SOD
PH	Pulmonary hypertension
PIP2	Phosphatidylinositol 4,5-bisphosphate
PLC	Phospholipase C
PVR	Pulmonary vascular resistance
rhACE2	Recombinant human angiotensin converting enzyme type 2
ROC	Receptor-operated channel
ROCE	Receptor-operated Ca2+ entry
ROK	Rho kinase
ROS	Reactive oxygen species
RV	Right ventricular
RVSP	Right ventricular systolic pressure
SKCa	Small conductance Ca2+-activated K+ channels
SMC	Smooth muscle cell
SOC	Store-operated channel
SOCE	Store-operated Ca2+ entry
SOD	Superoxide dismutase
SR	Sarcoplasmic reticulum
STIM	Stromal interaction molecule
TRPC	Transient receptor potential canonical
TRPV4	Transient receptor potential vanilloid 4
VGCC	Voltage-gated calcium channel
WHO	World health organization
WT	Wild-type
XDH	Xanthine dehydrogenase
XO	Xanthine oxidase
XOR	Xanthine oxidoreductase