Supplemental Table B ARGs in alphabetical order Symbol Title 3 months 6 months 9 months 12 months 23 months ANOVA Direction Category 38597 septin 2 1557 ± 44 1555 ± 44 1579 ± 56 1655 ± 26 1691 ± 31 0.05219 up Intermediate 0610031j06rik kidney predominant protein NCU-G1 491 ± 6 504 ± 14 503 ± 11 527 ± 13 534 ± 12 0.04747 up Early Adult 1G5 vesicle-associated calmodulin-binding protein 662 ± 23 675 ± 17 629 ± 16 617 ± 20 583 ± 26 0.03129 down Intermediate A2m alpha-2-macroglobulin 262 ± 7 272 ± 8 244 ± 6 290 ± 7 353 ± 16 0.00000 up Midlife Aadat aminoadipate aminotransferase (synonym Kat2) 180 ± 5 201 ± 12 223 ± 7 244 ± 14 275 ± 7 0.00000 up Early Adult Abca2 ATP-binding cassette, sub-family A (ABC1), member 2 958 ± 28 1052 ± 58 1086 ± 36 1071 ± 44 1141 ± 41 0.05371 up Early Adult Abcb1a ATP-binding cassette, sub-family B (MDR/TAP), member 1A 136 ± 8 147 ± 6 147 ± 13 155 ± 9 185 ± 13 0.01272 up Midlife Acadl acetyl-Coenzyme A dehydrogenase, long-chain 423 ± 7 456 ± 11 478 ± 14 486 ± 13 512 ± 11 0.00003 up Early Adult Acadvl acyl-Coenzyme A dehydrogenase, very long chain 426 ± 14 414 ± 10 404 ± 13 411 ± 15 461 ± 10 0.01017 up Late Accn1 amiloride-sensitive cation channel 1, neuronal (degenerin) 242 ± 10 250 ± 9 237 ± 11 247 ± 14 212 ± 8 0.04972 down Late Actb actin, beta 12965 ± 310 13382 ± 170 13145 ± 273 13739 ± 303 14187 ± 269 0.01195 up Midlife Acvrinp1 activin receptor interacting protein 1 304 ± 18 285 ± 21 274 ± 13 297 ± 21 341 ± 14 0.03610 up Late Adk adenosine kinase 1828 ± 43 1920 ± 38 1922 ± 22 2048 ± 30 1949 ± 44 0.00797 up Early Adult Adprh ADP-ribosylarginine hydrolase 547 ± 13 545 ± 18 535 ± 13 518 ± 9 495 ± 10 0.01865 down Intermediate ADRP adipose differentiation-related protein 166 ± 7 170 ± 6 178 ± 5 183 ± 9 195 ± 7 0.03114 up Intermediate Agpat4 1-acylglycerol-3-phosphate O-acyltransferase 4 637 ± 20 604 ± 11 597 ± 15 582 ± 14 554 ± 18 0.01132 down Early Adult Agt angiotensinogen 947 ± 36 1019 ± 52 976 ± 41 1008 ± 36 1137 ± 43 0.01632 up Late Aif1 allograft inflammatory factor 1 193 ± 4 205 ± 10 218 ± 9 210 ± 9 285 ± 15 0.00000 up Late Ak3 Adenylate kinase 3 1124 ± 44 1193 ± 25 1201 ± 17 1212 ± 12 1254 ± 26 0.02244 up Early Adult Akap1 A kinase (PRKA) anchor protein 1 223 ± 4 238 ± 7 215 ± 6 212 ± 5 214 ± 6 0.02077 down Intermediate Alad aminolevulinate, delta-, dehydratase 557 ± 12 554 ± 26 592 ± 5 622 ± 18 607 ± 19 0.03199 up Intermediate Aldh6a1 aldehyde dehydrogenase family 6, subfamily A1 795 ± 26 828 ± 31 848 ± 24 897 ± 20 871 ± 18 0.03095 up Early Adult Aldh9a1 aldehyde dehydrogenase family 9, subfamily A1 577 ± 8 620 ± 10 618 ± 10 665 ± 12 667 ± 11 0.00000 up Early Adult Amph1 amphiphysin 1 525 ± 11 519 ± 9 524 ± 15 523 ± 8 480 ± 11 0.01066 down Late Angptl4 angiopoietin-like protein 4 142 ± 8 153 ± 8 152 ± 7 176 ± 8 172 ± 8 0.01142 up Midlife Anp32b acidic nuclear phosphoprotein 32 family, member B 1256 ± 20 1269 ± 21 1296 ± 17 1277 ± 24 1367 ± 39 0.04200 up Late Anxa3 annexin A3 1094 ± 41 1203 ± 27 1181 ± 34 1301 ± 26 1561 ± 46 0.00000 up Midlife Anxa4 annexin A4 332 ± 20 366 ± 14 379 ± 11 404 ± 10 425 ± 16 0.00058 up Early Adult Anxa5 annexin A5 1080 ± 26 1155 ± 27 1188 ± 23 1293 ± 11 1327 ± 22 0.00000 up Early Adult Anxa7 annexin A7 541 ± 12 592 ± 18 563 ± 13 602 ± 12 619 ± 10 0.00060 up Early Adult Ap2b1 adaptor-related protein complex 2, beta 1 subunit 898 ± 22 964 ± 21 882 ± 21 872 ± 34 819 ± 26 0.00606 down Intermediate Ap2s1 adaptor-related protein complex 2, sigma 1 subunit 1705 ± 17 1716 ± 28 1716 ± 40 1674 ± 45 1600 ± 27 0.04242 down Midlife Aplp2 sperm membrane protein (YWK-II) 2485 ± 37 2667 ± 49 2621 ± 46 2621 ± 48 2569 ± 33 0.03734 up Early Adult Apobec1 apolipoprotein B editing complex 1 55 ± 4 60 ± 4 65 ± 7 61 ± 7 85 ± 5 0.00136 up Late Apod apolipoprotein D 2394 ± 70 2440 ± 53 2684 ± 87 2911 ± 78 2770 ± 50 0.00001 up Intermediate Apoe apolipoprotein E 13561 ± 455 14438 ± 199 13789 ± 368 15176 ± 432 15953 ± 360 0.00009 up Midlife Page 1 of 19 Supplemental Table B ARGs in alphabetical order Symbol Title 3 months 6 months 9 months 12 months 23 months ANOVA Direction Category App amyloid beta (A4) precursor protein 4957 ± 118 4925 ± 105 4916 ± 64 4786 ± 119 4582 ± 91 0.03941 down Midlife Arf1 ADP-ribosylation factor 1 3820 ± 93 3720 ± 91 3502 ± 92 3589 ± 103 3410 ± 43 0.00442 down Early Adult arhgef6 Rac/cdc42 guanine nucleotide exchange factor 6 327 ± 18 362 ± 13 337 ± 8 356 ± 15 389 ± 8 0.00553 up Midlife Arl1 ADP-ribosylation factor-like 1 1280 ± 38 1252 ± 35 1303 ± 24 1232 ± 43 1159 ± 23 0.01857 down Midlife Arpc1b actin related protein 2/3 complex, subunit 1B 225 ± 6 231 ± 8 210 ± 5 242 ± 6 266 ± 9 0.00001 up Midlife Arrdc3 Arrestin domain containing 3 503 ± 12 514 ± 19 549 ± 21 523 ± 20 606 ± 25 0.00405 up Late Asah1 N-acylsphingosine amidohydrolase 1 297 ± 12 289 ± 12 319 ± 8 342 ± 15 335 ± 15 0.02193 up Intermediate Ascl1 achaete-scute complex homolog-like 1 (Drosophila) 97 ± 4 90 ± 6 94 ± 4 98 ± 5 110 ± 4 0.02268 up Midlife Asns asparagine synthetase 881 ± 21 867 ± 16 895 ± 21 886 ± 16 809 ± 20 0.01058 down Late Ass arginosuccinate synthetase 175 ± 8 200 ± 8 193 ± 11 214 ± 7 208 ± 10 0.04981 up Early Adult Atp1a1 ATPase, Na+/K+ transporting, alpha 1 polypeptide 2092 ± 33 2155 ± 53 2181 ± 69 2174 ± 59 1914 ± 59 0.00398 down Late Atp1a3 ATPase, Na+/K+ transporting, alpha 3 polypeptide 3917 ± 85 3837 ± 84 3719 ± 68 3683 ± 91 3537 ± 55 0.00681 down Early Adult Atp2b2 ATPase, Ca++ transporting, plasma membrane 2 406 ± 22 394 ± 21 403 ± 16 362 ± 15 348 ± 9 0.04121 down Midlife Atp6k ATPase, H+ transporting, V0 subunit 744 ± 22 780 ± 35 754 ± 37 826 ± 29 869 ± 28 0.02042 up Midlife Atp6v1b2 ATPase, H+ transporting, V1 subunit B, isoform 2 3391 ± 73 3319 ± 83 3283 ± 63 3264 ± 108 2929 ± 42 0.00038 down Late Atxn10 ataxin 10 homolog (human) 2745 ± 73 2752 ± 69 2720 ± 71 2753 ± 40 2513 ± 45 0.00893 down Late AZF1 zinc finger protein 1 1390 ± 23 1342 ± 29 1326 ± 38 1254 ± 44 1243 ± 37 0.02586 down Early Adult B2m beta-2 microglobulin 5709 ± 118 5934 ± 123 5888 ± 75 6408 ± 108 6911 ± 124 0.00000 up Midlife B3gat2 galactoside beta-1,3-glucuronyltransferase 394 ± 22 334 ± 11 361 ± 9 325 ± 16 297 ± 11 0.00017 down Early Adult Bcas1 breast carcinoma amplified sequence 1 3545 ± 132 3465 ± 79 3734 ± 185 3762 ± 153 4097 ± 154 0.02286 up Intermediate Bche butyrylcholinesterase 59 ± 4 54 ± 6 56 ± 4 53 ± 3 68 ± 4 0.04016 up Late Bet1l Blocked early in transport 1 homolog (S. cerevisiae) like 249 ± 5 265 ± 13 289 ± 7 267 ± 9 287 ± 8 0.01063 up Early Adult Bhlhb3 basic helix-loop-helix domain containing, class B3 1942 ± 138 2017 ± 132 2087 ± 102 2167 ± 89 2344 ± 50 0.05287 up Early Adult Birc2 baculoviral IAP repeat-containing 2 632 ± 18 610 ± 11 618 ± 13 639 ± 25 569 ± 14 0.02276 down Late Bk B/K protein 1137 ± 26 1214 ± 18 1109 ± 34 1123 ± 37 1046 ± 40 0.01748 down Intermediate Bmp6 bone morphogenetic protein 6 281 ± 5 311 ± 9 315 ± 4 307 ± 11 331 ± 7 0.00109 up Early Adult Bmp7 bone morphogenetic protein 7 107 ± 2 111 ± 5 104 ± 5 120 ± 6 136 ± 7 0.00167 up Midlife Bmsc-UbP bone marrow stromal cell-derived ubiquitin-like protein 831 ± 27 818 ± 13 847 ± 22 870 ± 24 772 ± 12 0.00794 down Late Bzrp benzodiazepin receptor 155 ± 4 137 ± 10 148 ± 5 150 ± 8 189 ± 9 0.00017 up Late C1galt1 core1 UDP-galactose:N-acetylgalactosamine-alpha-R beta 1,3-gal 96 ± 8 120 ± 9 115 ± 6 109 ± 5 119 ± 4 0.05493 up Early Adult C1qb complement component 1, q subcomponent, beta polypeptide 544 ± 25 645 ± 18 636 ± 16 695 ± 25 807 ± 25 0.00000 up Early Adult C1s complement component 1, s subcomponent 129 ± 7 128 ± 8 122 ± 6 120 ± 8 155 ± 7 0.00304 up Late C3 complement component 3 261 ± 11 336 ± 18 374 ± 15 463 ± 23 652 ± 14 0.00000 up Intermediate C4-2 complement component 4a 108 ± 5 124 ± 7 140 ± 8 147 ± 7 231 ± 16 0.00000 up Late Ca3 carbonic anhydrase 3 58 ± 3 53 ± 4 60 ± 3 74 ± 3 89 ± 5 0.00000 up Midlife Cacna2d3 calcium channel, voltage-dependent, alpha 2/delta 3 subunit 1547 ± 38 1556 ± 39 1642 ± 48 1593 ± 45 1441 ± 32 0.00627 down Late Page 2 of 19 Supplemental Table B ARGs in alphabetical order Symbol Title 3 months 6 months 9 months 12 months 23 months ANOVA Direction Category Calm3 calmodulin 3 2560 ± 35 2641 ± 37 2607 ± 36 2586 ± 71 2397 ± 55 0.00536 down Late Camk1g calcium/calmodulin-dependent protein kinase I gamma 99 ± 3 98 ± 3 105 ± 5 98 ± 2 87 ± 5 0.02950 down Late Capzb F-actin capping protein beta subunit 3090 ± 83 3239 ± 79 2928 ± 128 2964 ± 54 2826 ± 70 0.01358 down Intermediate Cask calcium/calmodulin-dependent serine protein kinase 40 ± 3 46 ± 3 47 ± 5 45 ± 2 35 ± 2 0.03112 down Late Casp4 caspase 11 85 ± 5 93 ± 4 81 ± 5 80 ± 4 107 ± 4 0.00025 up Late Cav caveolin 517 ± 16 528 ± 13 523 ± 18 537 ± 25 593 ± 13 0.01031 up Late Ccdc5 coiled-coil domain containing 5 107 ± 6 103 ± 5 110 ± 5 107 ± 6 123 ± 5 0.04913 up Late Ccnd1 cyclin D1 187 ± 10 170 ± 4 181 ± 14 169 ± 9 216 ± 13 0.01481 up Late Cd14 CD14 antigen 50 ± 5 51 ± 3 51 ± 3 64 ± 3 71 ± 5 0.00071 up Midlife Cd37 CD37 antigen 83 ± 5 82 ± 5 78 ± 5 85 ± 5 104 ± 4 0.00069 up Late Cd3z CD3 antigen, zeta polypeptide 80 ± 7 85 ± 8 69 ± 5 99 ± 8 92 ± 5 0.03195 up Midlife Cd44 CD44 antigen 140 ± 6 149 ± 6 154 ± 8 153 ± 9 172 ± 7 0.03628 up Early Adult Cd48 CD48 antigen 454 ± 10 445 ± 18 427 ± 19 438 ± 11 508 ± 16 0.00273 up Late Cd53 CD53 antigen 230 ± 14 268 ± 9 303 ± 15 311 ± 8 418 ± 21 0.00000 up Early Adult Cd59 CD59 antigen 1090 ± 45 1128 ± 31 1151 ± 24 1148 ± 22 1245 ± 27 0.00703 up Early Adult Cd63 CD63 antigen 1525 ± 34 1600 ± 39 1582 ± 50 1716 ± 47 2082 ± 40 0.00000 up Midlife Cd74 CD74 antigen (invariant polpypeptide of major histocompatibility cl 183 ± 5 176 ± 11 160 ± 7 220 ± 7 529 ± 45 0.00000 up Late Cd81 CD 81 antigen 9149 ± 171 9677 ± 357 9490 ± 204 9734 ± 384 10378 ± 281 0.04417 up Midlife Cd86 CD86 antigen 24 ± 5 32 ± 6 29 ± 3 44 ± 3 55 ± 4 0.00001 up Midlife Cdc10 CDC10 (cell division cycle 10, S.cerevisiae, homolog) 7086 ± 142 6667 ± 344 7184 ± 324 6853 ± 160 7668 ± 219 0.04987 up Late Cdc42 cell division cycle 42 homolog (S.