Table 1.
Specimens used in this study. Maximum Lifespan and Adult Body Mass values were taken from the AnAge database [41]. Numbers under the organ headings indicate the number of independent protein samples analyzed from different individuals for each organ and species. All animals were adult when sacrificed, although their exact age could not be verified.
| Common Name | Species Name | Maximum Lifespan (Years) | Adult Body Mass (g) | BRAIN | LUNG | HEART | KIDNEY |
|---|---|---|---|---|---|---|---|
| House Mouse | Mus musculus | 4 | 30 | 3 | 3 | 3 | 2 |
| Norway Rat | Rattus norvegicus | 5 | 400 | 2 | 2 | 2 | 2 |
| Red Squirrel | Tamiascuirus hudsonicus | 10 | 200 | 2 | 3 | 2 | 2 |
| American Beaver | Castor canadensis | 24 | 20,250 | 3 | 2 | 3 | 2 |
| Woodchuck | Marmota monax | 14 | 5,000 | 2 | 2 | 3 | 2 |
| Blind Mole-Rat | Nannospalax ehrenbergi | 15 | 160 | 3 | 3 | 2 | 2 |
| Eastern Grey Squirrel | Sciurus carolinensis | 24 | 533 | 2 | 2 | 3 | 2 |
| Golden Hamster | Mesocricetus auratus | 4 | 105 | 2 | 2 | 2 | 2 |
| Naked mole-rat | Heterocephalus glaber | 31 | 35 | 2 | 2 | 2 | 2 |
| Chinchilla | Chinchilla lanigera | 17 | 642 | 3 | 2 | 3 | 2 |
| Capybara | Hydrochaeris hydrochaeris | 15 | 55,000 | 2 | 2 | 2 | 2 |
| Paca | Agouti paca | 16 | 9,000 | 2 | 2 | 2 | 2 |
| Guinea Pig | Cavia porcellus | 12 | 738 | 4 | 2 | 2 | 2 |
| Fox Squirrel | Sciurus niger | 16 | 800 | 3 | 2 | 2 | 2 |
| Mongolian Gerbil | Meriones unguiculatus | 6 | 53 | 2 | 0 | 0 | 0 |
| Deer Mouse | Peromyscus maniculatus | 8 | 20 | 2 | 2 | 2 | 2 |