| ANOVA | Analysis of variance |
| AUC | Area under curve |
| BCA | bicinchoninic acid assay |
| BIOPS | Biopsy preservation solution |
| BSA | Bovine serum albumin |
| CaK2EGTA | Calcium potassium ethylene glycol-bis(2-aminoethylether)-N N N′N′-tetra-acetic acid |
| CCO | cytochrome C oxidase |
| CSE | Cystathionine γ-lyase |
| DMEM | Dulbecco’s modified Eagle medium |
| GPx-1 | Glutathione peroxidase-1 |
| FACS | Fluorescence-activated cell sorting |
| HS− | Hydrosulfide ion |
| HSe− | Hydroselenide ion |
| H2 | Hydrogen gas |
| H2DCFDA | 2′,7′-dichlorofluorescein diacetate |
| H2O | Water |
| H2O2 | Hydrogen peroxide |
| H2S | Hydrogen sulfide gas |
| H2Se | Hydrogen selenide gas |
| HEPES | N-(2-hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid) |
| IC50 | Concentration causing 50% inhibition |
| iROS | Intracellular reactive oxygen species |
| K2EGTA | Potassium ethylene glycol-bis(2-aminoethylether)-N N N′N′-tetra-acetic acid |
| K-cyanide | Potassium cyanide |
| KH2PO4 | Potassium dihydrogen phosphate |
| K-lacto-bionate | Potassium lacto-bionate |
| LD50 | Concentration (dose) causing 50% lethality |
| MES monohydrate | 4-Morpholineethanesulfonic acid monohydrate |
| MgCl2·6H2O | Magnesium chloride hexahydrate |
| MMP | mitochondrial membrane potential |
| mROS | Mitochondrial reactive oxygen species |
| Na2ATP | Adenosine 5′-triphosphate disodium salt |
| Na2 phosphocreatine | Phosphocreatine disodium salt |
| NaBH4 | Sodium borohydride |
| NaHS | Sodium hydrosulfide |
| NaHSe | Sodium hydroselenide |
| Na2B4O7 | Sodium tetraborate |
| Na2S | Sodium sulfide |
| Na2S2O4 | Sodium dithionite |
| Na2Se | Sodium selenide |
| Na2SeO3 | Sodium selenite |
| PAG | dl-propargylglycine |
| PCO2 | Partial pressure of carbon dioxide |
| PVC | Polyvinyl chloride |
| PVDF | Polyvinylidene difluoride |
| RIPA | Radioimmunoprecipitation assay (buffer) |
| ROS | Reactive oxygen species |
| RPM | Revolutions per minute |
| SCLY | Selenocysteine lyase |
| Se | Selenium |
| SEM | Standard error of the mean |
| TMRM | Tetra-methyl-rhodamine methyl ester |
| TTC | Tetrazolium chloride |
| TxR-1 | Thioredoxin reductase-1 |
| RPM | Revolutions per minute |
| SCLY | Selenocysteine lyase |
| Se | Selenium |
| SEM | Standard error of the mean |
| TMRM | Tetra-methyl-rhodamine methyl ester |
| TTC | Tetrazolium chloride |
| TxR-1 | Thioredoxin reductase-1 |