| Aβ25–35 | amyloid β-peptide 25–35 |
| ASD | autism spectrum disorder |
| AF | atrial fibrillation |
| BDNF | brain-derived neurotrophic factor |
| BH4 | tetrahydrobiopterin |
| cAMP | cyclic adenosine monophosphate |
| CREB | cAMP response element-binding protein |
| DMF | dimethyl fumarate |
| Drp1 | dynamin-related protein 1 |
| eNOS (NOS3) | endothelial NOS |
| FLS | fibroblast-like synoviocytes |
| GAPDH | glyceraldehyde 3-phosphate dehydrogenase |
| GR | glutathione reductase |
| GRIK2 | glutamate ionotropic receptor kainate type subunit 2 |
| GSH | glutathione (γ-l-glutamyl-l-cysteinyl-glycine) |
| GSNHOH | N-hydroxysulfinamide |
| GSNO | S-nitrosoglutathione |
| GSNOR | S-nitrosoglutathione reductase |
| GSSG | glutathione disulfide |
| H2O2 | hydrogen peroxide |
| H3K9 | histone 3 lysine 9 |
| HDAC2 | histone deacetylase 2 |
| HFpEF | heart failure with preserved ejection fraction |
| HFrEF | heart failure with reduced ejection fraction |
| HIF1α | hypoxia inducible factor-1α |
| HNO | nitroxyl |
| I/R | ischemia/reperfusion |
| ICa,L | L-type calcium current |
| IK1 | inward rectifier |
| IL | interleukin |
| INa | Na+ inward currents |
| iNOS (NOS2) | inducible NOS |
| IRE1α | inositol-requiring protein 1α |
| KO | knockout |
| L-NAME | N(ω)-nitro-L-arginine methyl ester |
| L-NMMA | N(G)-monomethyl L-arginine |
| LPS | lipopolysaccharide |
| LTCC | L-type calcium channels |
| M1 | immuno-stimulatory macrophage |
| M2 | immune-suppressive macrophage |
| MEF | myocyte enhancer factor |
| Keap1 | Kelch-like ECH-associated protein 1 |
| MS | multiple sclerosis |
| NADH | nicotinamide adenine phosphate |
| NADPH | nicotinamide adenine dinucleotide phosphate |
| NAM | nicotinamide |
| NF-κB | nuclear factor Kappa B |
| NMDA | N-methyl-D-aspartate |
| NO | nitric oxide |
| nNOS (NOS1) | neuronal NOS |
| NOS | nitric oxide synthase |
| NOSi | NOS inhibitor |
| NRF2 | nuclear factor erythroid 2-related factor 2 |
| O2 | oxygen |
| O2·− | superoxide radical |
| PDI | protein-disulfide isomerase |
| PSD-95 | postsynaptic density protein-95 |
| RA | rheumatoid arthritis |
| RNS | reactive nitrogen species |
| RORγt | retinoic acid receptor-related orphan nuclear receptor gamma |
| ROS | reactive oxygen species |
| RyR | ryanodine receptor |
| SERCA | sarco/endoplasmic reticulum Ca2+-ATPase |
| sGC | soluble guanylyl cyclase |
| SIAH1 | siah E3 ubiquitin protein ligase 1 |
| SNAP | S-nitroso-N-acetylpenicillamine |
| SNO-GAPDH | S-nitrosylated glyceraldehyde 3-phosphate dehydrogenase |
| SNO-PDI | S-nitrosylated protein-disulfide isomerase |
| SOD | superoxide dismutase |
| SO2H | sulfinic acid |
| SR | sarcoplasmic reticulum |
| SS | disulfide |
| TAM | tumor-associated macrophage |
| TLX | tailless |
| TNFα | tumor necrosis factor-α |
| TRIM72 | tripartite motif-containing protein 72 |
| TRX | thioredoxin |
| TrxR | thioredoxin reductase |
| VEGF | vascular endothelial growth factor |
| WT | wild-type |
| XBP1 | X-box binding protein |