| ECG | electrocardiography |
| GDH | glutamate dehydrogenase |
| MDH | malate dehydrogenase |
| OGDH | 2-oxoglutarate dehydrogenase or α-ketoglutarate dehydrogenase |
| OGDHC | 2-oxoglutarate dehydrogenase complex or α-ketoglutarate dehydrogenase complex |
| TK | transketolase |
| PDH | pyruvate dehydrogenase |
| PDHC | pyruvate dehydrogenase complex |
| ThDP | thiamine diphosphate, or thiamine pyrophosphate, or cocarboxylase |
| ThMP | thiamine monophosphate |
| TTFD | tetrahydrofurfuryl disulfide |
| ZT | Zeitgeber time |