| ADP | Adenosine di-phosphate |
| ANOVA | Analysis of variance |
| CDK | Cyclin dependent kinases |
| DBCM | Dermal basal cell medium |
| DTT | Dithiothreitol |
| EDTA | Ethylene-diamine-tetra-acetic acid |
| GAPDH | Glyceraldehyde 3-phosphate dehydrogenase |
| HAECs | Human aortic endothelial cells |
| HEKas | Human epidermal keratinocytes—adult |
| LDH | Lactate dehydrogenase |
| LF-NAD+ | Liposomal formulation of nicotinamide adenine-dinucleotide |
| NAD+ | Nicotinamide adenine-dinucleotide |
| NADH | Reduced nicotinamide adenine-dinucleotide |
| NAM | Nicotinamide |
| PARPs | Poly (ADP-ribose) polymerases |
| PMSF | Phenylmethylsulfonyl fluoride |
| ROS | Reactive oxygen species |
| SABG | Senescence-associated β-galactosidase |
| SASP | Senescence-associated secretive phenotype |
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