The study includes 137 mice (11~25 months old) from 73 strains (B6, D2, DBF1, and 70 BXD strains). All procedures were approved by the UTHSC Institutional Animal Care and Use Committee.
The table of samples that are finally used for this study:
| Index | Strain | Sex | RNA ID | Age | Phase | Tissue |
| 1 | BXD1 | F | R7281H | 448 | II | Hippocampus |
| 2 | BXD1 | M | R7276H | 323 | II | Hippocampus |
| 3 | BXD2 | M | R7261H | 394 | I | Hippocampus |
| 4 | BXD2 | F | R7256H | 456 | I | Hippocampus |
| 5 | BXD6 | M | R7223H | 526 | I | Hippocampus |
| 6 | BXD8 | M | R7203H | 471 | I | Hippocampus |
| 7 | BXD8 | F | R7200H | 460 | I | Hippocampus |
| 8 | BXD8 | F | R7198H | 433 | I | Hippocampus |
| 9 | BXD9 | F | R7294H | 456 | II | Hippocampus |
| 10 | BXD11 | M | R7300H | 457 | II | Hippocampus |
| 11 | BXD11 | F | R7227H | 536 | I | Hippocampus |
| 12 | BXD12 | F | R7183H | 506 | I | Hippocampus |
| 13 | BXD12 | F | R7233H | 561 | I | Hippocampus |
| 14 | BXD12 | M | R7234H | 606 | I | Hippocampus |
| 15 | BXD14 | F | R7238H | 605 | I | Hippocampus |
| 16 | BXD14 | M | R7235H | 605 | I | Hippocampus |
| 17 | BXD16 | F | R7236H | 561 | I | Hippocampus |
| 18 | BXD16 | M | R7239H | 475 | I | Hippocampus |
| 19 | BXD18 | F | R7229H | 493 | I | Hippocampus |
| 20 | BXD19 | F | R7267H | 551 | I | Hippocampus |
| 21 | BXD19 | M | R7268H | 492 | I | Hippocampus |
| 22 | BXD20 | M | R7232H | 506 | I | Hippocampus |
| 23 | BXD20 | M | R7263H | 489 | I | Hippocampus |
| 24 | BXD21 | F | R7230H | 537 | I | Hippocampus |
| 25 | BXD22 | F | R7260H | 502 | I | Hippocampus |
| 26 | BXD22 | M | R7262H | 596 | I | Hippocampus |
| 27 | BXD23 | F | R7258H | 502 | I | Hippocampus |
| 28 | BXD23 | M | R7257H | 462 | I | Hippocampus |
| 29 | BXD24 | M | R7231H | 470 | I | Hippocampus |
| 30 | BXD24 | F | R7228H | 415 | I | Hippocampus |
| 31 | BXD24 | F | R7255H | 456 | I | Hippocampus |
| 32 | BXD25 | F | R7252H | 454 | I | Hippocampus |
| 33 | BXD27 | F | R7286H | 472 | II | Hippocampus |
| 34 | BXD27 | F | R7170H | 472 | I | Hippocampus |
| 35 | BXD28 | M | R7254H | 493 | I | Hippocampus |
| 36 | BXD28 | F | R7251H | 543 | I | Hippocampus |
| 37 | BXD29 | F | R7259H | 483 | I | Hippocampus |
| 38 | BXD33 | M | R7253H | 464 | I | Hippocampus |
| 39 | BXD33 | F | R7174H | 471 | I | Hippocampus |
| 40 | BXD33 | F | R7244H | 448 | I | Hippocampus |
| 41 | BXD33 | M | R7270H | 662 | I | Hippocampus |
| 42 | BXD38 | F | R7242H | 464 | I | Hippocampus |
| 43 | BXD38 | M | R7247H | 446 | I | Hippocampus |
| 44 | BXD39 | M | R7250H | 536 | I | Hippocampus |
| 45 | BXD39 | F | R7173H | 500 | I | Hippocampus |
| 46 | BXD39 | M | R7175H | 500 | I | Hippocampus |
| 47 | BXD40 | F | R7288H | 451 | II | Hippocampus |
| 48 | BXD40 | M | R7210H | 470 | I | Hippocampus |
| 49 | BXD40 | M | R7197H | 614 | I | Hippocampus |
| 50 | BXD42 | F | R7280H | 518 | II | Hippocampus |
| 51 | BXD42 | M | R7246H | 446 | I | Hippocampus |
| 52 | BXD42 | F | R7266H | 486 | I | Hippocampus |
| 53 | BXD43 | F | R7249H | 454 | I | Hippocampus |
| 54 | BXD43 | M | R7248H | 462 | I | Hippocampus |
| 55 | BXD44 | M | R7241H | 415 | I | Hippocampus |
| 56 | BXD44 | M | R7279H | 419 | II | Hippocampus |
| 57 | BXD44 | F | R7243H | 438 | I | Hippocampus |
| 58 | BXD45 | F | R7176H | 451 | I | Hippocampus |
| 59 | BXD48 | F | R7245H | 499 | I | Hippocampus |
| 60 | BXD48 | M | R7220H | 526 | I | Hippocampus |
| 61 | BXD48a | F | R7299H | 479 | II | Hippocampus |
| 62 | BXD48a | M | R7297H | 479 | II | Hippocampus |
| 63 | BXD50 | F | R7224H | 530 | I | Hippocampus |
| 64 | BXD50 | M | R7221H | 530 | I | Hippocampus |
| 65 | BXD51 | F | R7177H | 487 | I | Hippocampus |
| 66 | BXD51 | M | R7290H | 407 | II | Hippocampus |
| 67 | BXD55 | M | R7222H | 528 | I | Hippocampus |
| 68 | BXD55 | F | R7225H | 587 | I | Hippocampus |
| 69 | BXD56 | M | R7178H | 501 | I | Hippocampus |
| 70 | BXD62 | M | R7291H | 439 | II | Hippocampus |
| 71 | BXD63 | M | R7218H | 438 | I | Hippocampus |
| 72 | BXD63 | F | R7215H | 475 | I | Hippocampus |
| 73 | BXD64 | M | R7219H | 528 | I | Hippocampus |
| 74 | BXD64 | F | R7216H | 587 | I | Hippocampus |
| 75 | BXD65 | F | R7217H | 425 | I | Hippocampus |
| 76 | BXD65a | F | R7273H | 389 | II | Hippocampus |
| 77 | BXD65a | M | R7277H | 715 | II | Hippocampus |
| 78 | BXD65b | M | R7271H | 483 | II | Hippocampus |
| 79 | BXD66 | M | R7214H | 463 | I | Hippocampus |
| 80 | BXD66 | F | R7302H | 446 | III | Hippocampus |
| 81 | BXD67 | F | R7240H | 499 | I | Hippocampus |
| 82 | BXD67 | M | R7213H | 425 | I | Hippocampus |
| 83 | BXD67 | F | R7278H | 415 | II | Hippocampus |
| 84 | BXD68 | M | R7212H | 421 | I | Hippocampus |
| 85 | BXD68 | F | R7211H | 415 | I | Hippocampus |
| 86 | BXD69 | F | R7305H | 504 | III | Hippocampus |
| 87 | BXD70 | F | R7207H | 458 | I | Hippocampus |
| 88 | BXD70 | M | R7204H | 460 | I | Hippocampus |
| 89 | BXD71 | M | R7205H | 471 | I | Hippocampus |
| 90 | BXD71 | F | R7208H | 474 | I | Hippocampus |
| 91 | BXD73 | F | R7209H | 470 | I | Hippocampus |
| 92 | BXD73 | M | R7206H | 464 | I | Hippocampus |
| 93 | BXD73a | F | R7181H | 443 | I | Hippocampus |
| 94 | BXD73a | M | R7182H | 614 | I | Hippocampus |
| 95 | BXD76 | M | R7179H | 579 | I | Hippocampus |
| 96 | BXD76 | F | R7188H | 408 | I | Hippocampus |
| 97 | BXD76 | M | R7187H | 564 | I | Hippocampus |
| 98 | BXD77 | M | R7292H | 347 | II | Hippocampus |
| 99 | BXD77 | F | R7201H | 454 | I | Hippocampus |
| 100 | BXD79 | M | R7202H | 485 | I | Hippocampus |
| 101 | BXD79 | F | R7199H | 515 | I | Hippocampus |
| 102 | BXD79 | M | R7298H | 704 | II | Hippocampus |
| 103 | BXD81 | M | R7196H | 515 | I | Hippocampus |
| 104 | BXD81 | F | R7190H | 458 | I | Hippocampus |
| 105 | BXD83 | M | R7184H | 441 | I | Hippocampus |
| 106 | BXD84 | M | R7195H | 474 | I | Hippocampus |
| 107 | BXD84 | M | R7296H | 484 | II | Hippocampus |
| 108 | BXD84 | F | R7192H | 522 | I | Hippocampus |
| 109 | BXD85 | M | R7272H | 425 | II | Hippocampus |
| 110 | BXD85 | F | R7193H | 506 | I | Hippocampus |
| 111 | BXD86 | M | R7191H | 425 | I | Hippocampus |
| 112 | BXD87 | F | R7194H | 425 | I | Hippocampus |
| 113 | BXD87 | M | R7303H | 478 | III | Hippocampus |
| 114 | BXD87 | M | R7186H | 442 | I | Hippocampus |
| 115 | BXD89 | F | R7295H | 446 | II | Hippocampus |
| 116 | BXD90 | M | R7287H | 434 | II | Hippocampus |
| 117 | BXD90 | M | R7293H | 558 | II | Hippocampus |
| 118 | BXD95 | F | R7180H | 467 | I | Hippocampus |
| 119 | BXD95 | M | R7169H | 467 | I | Hippocampus |
| 120 | BXD98 | M | R7237H | 605 | I | Hippocampus |
| 121 | BXD98 | F | R7171H | 639 | I | Hippocampus |
| 122 | BXD98 | F | R7275H | 488 | II | Hippocampus |
| 123 | BXD99 | M | R7189H | 524 | I | Hippocampus |
| 124 | BXD99 | F | R7172H | 471 | I | Hippocampus |
| 125 | BXD100 | F | R7282H | 463 | II | Hippocampus |
| 126 | BXD100 | M | R7283H | 507 | II | Hippocampus |
| 127 | BXD100 | M | R7274H | 577 | II | Hippocampus |
| 128 | BXD100 | F | R7226H | 464 | I | Hippocampus |
| 129 | BXD101 | F | R7284H | 490 | II | Hippocampus |
| 130 | BXD101 | M | R7285H | 408 | II | Hippocampus |
| 131 | C57BL/6J | M | R7264H | 489 | I | Hippocampus |
| 132 | C57BL/6J | M | R7289H | 756 | II | Hippocampus |
| 133 | D2B6F1 | M | R7265H | 492 | I | Hippocampus |
| 134 | D2B6F1 | F | R7304H | 495 | III | Hippocampus |
| 135 | DBA/2J | F | R7185H | 433 | I | Hippocampus |
| 136 | DBA/2J | M | R7269H | 367 | I | Hippocampus |
| 137 | DBA/2J | F | R7301H | 566 | III | Hippocampus |