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Biological immortality

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499: 338: 482:. Telomerase is expressed by most vertebrates during embryonic stages but is generally absent from adult stages of life. However, unlike vertebrates, lobsters express telomerase as adults through most tissue, which has been suggested to be related to their longevity. Contrary to popular belief, lobsters are not immortal. Lobsters grow by 486:, which requires considerable energy, and the larger the shell the more energy is required. Eventually, the lobster will die from exhaustion during a moult. Older lobsters are also known to stop moulting, which means that the shell will eventually become damaged, infected, or fall apart, causing them to die. The 378:, and, as such, are biologically immortal. In a four-year study, 3 cohorts of hydra did not show an increase in mortality with age. It is possible that these animals live much longer, considering that they reach maturity in 5 to 10 days. However, this does not explain how hydras are subsequently able to maintain 462:
Research suggests that lobsters may not slow down, weaken, or lose fertility with age, and that older lobsters may be more fertile than younger lobsters. This does not however make them immortal in the traditional sense, as they are significantly more likely to die at a shell moult the older they get
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Current Biology: Volume 23, Issue 19, 7 October 2013, Pages 1844–1852 "Fission Yeast Does Not Age under Favorable Conditions, but Does So after Stress." Miguel Coelho1, 4, AygĂŒl Dereli1, Anett Haese1, Sebastian KĂŒhn2, Liliana Malinovska1, Morgan E. DeSantis3, James Shorter3, Simon Alberti1, Thilo
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For sexually reproducing planaria: "the lifespan of individual planarian can be as long as 3 years, likely due to the ability of neoblasts to constantly replace aging cells". Whereas for asexually reproducing planaria: "individual animals in clonal lines of some planarian species replicating by
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Pascual-Torner, Maria; Carrero, Dido; Pérez-Silva, José G.; Álvarez-Puente, Diana; Roiz-Valle, David; Bretones, Gabriel; Rodríguez, David; Maeso, Daniel; Mateo-Gonzålez, Elena; Español, Yaiza; Mariño, Guillermo; Acuña, José Luis; Quesada, Víctor; López-Otín, Carlos (6 September 2022).
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can restore the cell to a youthful state. However, if the parent asymmetrically buds off a daughter only the daughter is reset to the youthful state—the parent is not restored and will go on to age and die. In a similar manner
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suggest these planarians appear to regenerate (i.e. heal) indefinitely, and asexual individuals have an "apparently limitless regenerative capacity fueled by a population of highly proliferative adult stem cells".
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age. Various unicellular and multicellular species, including some vertebrates, achieve this state either throughout their existence or after living long enough. A
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can be biologically immortal under ideal growing conditions. In these conditions, when a cell splits symmetrically to produce two daughter cells, the process of
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De Vito; et al. (2006). "Evidence of reverse development in Leptomedusae (Cnidaria, Hydrozoa): the case of Laodicea undulata (Forbes and Goodsir 1851)".
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cells (cells that will never divide again) only in the extremities. All hydra cells continually divide. It has been suggested that hydras do not undergo
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Reitzer, Lawrence J.; Wice, Burton M.; Kennel, David (1978), "Evidence That Glutamine, Not Sugar, Is the Major Energy Source for Cultured HeLa Cells",
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According to the Animal Aging and Longevity Database, the list of animals with negligible aging (along with estimated longevity in the wild) includes:
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Irfan Maqsood, M.; Matin, M. M.; Bahrami, A. R.; Ghasroldasht, M. M. (2013). "Immortality of cell lines: Challenges and advantages of establishment".
2246: 2236: 2123: 177:, both of which are immortalized cancer cell lines. These cells have been and still are widely used in biological research such as creation of the 2143: 1623: 2138: 1979: 578: 2178: 1649: 1162: 2103: 2045: 2040: 2183: 2168: 2133: 2076: 2071: 2013: 2241: 2231: 2173: 2081: 2221: 2188: 2108: 2096: 2035: 1574:
Thomas C. J. Tan; Ruman Rahman; Farah Jaber-Hijazi; Daniel A. Felix; Chen Chen; Edward J. Louis & Aziz Aboobaker (February 2012).
2148: 1914: 568: 2226: 2118: 2113: 2050: 877:"Expression of the Large T Protein of Polyoma Virus Promotes the Establishment in Culture of "Normal" Rodent Fibroblast Cell Lines" 979: 538: 1510: 755: 738: 618: 2281: 2008: 728: 1530: 1783: 1667: 2354: 2276: 413:. This cycle can repeat indefinitely, potentially rendering it biologically immortal. This organism originated in the 1737: 1723: 1706: 300:
Many unicellular organisms age: as time passes, they divide more slowly and ultimately die. Asymmetrically dividing
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Bulzomi, Pamela. "The Pro-apoptotic Effect of Quercetin in Cancer Cell Lines Requires ERÎČ-Dependant Signals."
99:. The rate of mortality may cease to increase in old age, but in most cases that rate is typically very high. 91:, because the increase in rate of mortality as a function of chronological age may be negligible at extremely 2359: 2286: 1747: 850: 1575: 1063:
Buzgariu, Wanda; Wenger, Yvan; Tcaciuc, Nina; Catunda-Lemos, Ana-Paula; Galliot, Brigitte (2018-01-15).
1867: 1576:"Telomere maintenance and telomerase activity are differentially regulated in asexual and sexual worms" 1502: 1414:
Wolfram Klapper; Karen KĂŒhne; Kumud K. Singh; Klaus Heidorn; Reza Parwaresch & Guido Krupp (1998).
756:"The Life, Death, and Life After Death of Henrietta Lacks, Unwitting Heroine of Modern Medical Science" 553: 1936: 1909: 1823: 1637: 1133: 1113: 1776: 1663: 824: 169:—i.e. cell death caused by intracellular mechanisms. Among the most commonly used cell lines are 2410: 2328: 2311: 1850: 1208:"Comparative genomics of mortal and immortal cnidarians unveils novel keys behind rejuvenation" 1128: 514: 119: 31: 2379: 1833: 1573: 563: 397: 358:
phylum. All cnidarians can regenerate, allowing them to recover from injury and to reproduce
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Forever For All: Moral Philosophy, Cryonics, and the Scientific Prospects for Immortality
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Shay, J. W. & Wright, W. E. (2000). "Hayflick, his limit, and cellular ageing".
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The term is also used by biologists to describe cells that are not subject to the
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Martinez, D.E. (1998) "Mortality patterns suggest lack of senescence in hydra."
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State in which the rate of mortality from senescence is stable or decreasing
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Bellantuono, Anthony J.; Bridge, Diane; MartĂ­nez, Daniel E. (2015-01-30).
920: 2298: 1857: 1840: 1065:"Impact of cycling cells and cell cycle regulation on Hydra regeneration" 810: 634:
Michael R. Rose; Casandra L. Rauser; Laurence D. Mueller (Nov–Dec 2005).
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has an average life span of 31 years for males and 54 years for females.
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chose the word "immortal" to designate cells that are not subject to the
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Rose, Michael; Rauser, Casandra L.; Mueller, Laurence D. (Spring 2011).
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being can still die from means other than senescence, such as through
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have both sexually and asexually reproducing types. Studies on genus
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Immortal cell lines of cancer cells can be created by induction of
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Michael R. Rose; Casandra L. Rauser; Laurence D. Mueller (1983).
371: 92: 69: 53: 1800: 471: 326: 159: 155: 65: 61: 1008:"Hydra as a tractable, long-lived model system for senescence" 2344: 1557:"Don't Listen to the Buzz: Lobsters Aren't Actually Immortal" 351: 337: 313: 305: 201: 1761: 1181:"This Jellyfish Can Live Forever. Its Genes May Tell Us How" 1308:"Life Cycle Reversal in Aurelia sp.1 (Cnidaria, Scyphozoa)" 209: 170: 57: 1005: 234: 1114:"Mortality patterns suggest lack of senescence in Hydra" 680: 401:, is a small (5 millimeters (0.20 in)) species of 131:, the point at which cells can no longer divide due to 1062: 822: 181:, sex hormone steroid research, and cell metabolism. 1487: 1752: 986:. AnAge: The Animal Ageing and Longevity Database 796: 613:(Sixth ed.). San Diego, CA: Academic Press. 523:fission have been maintained for over 15 years". 48:is stable or decreasing, thus decoupling it from 44:) is a state in which the rate of mortality from 2428: 154:The term "immortalization" was first applied to 1464: 1212:Proceedings of the National Academy of Sciences 579:Strategies for engineered negligible senescence 158:cells that expressed the telomere-lengthening 1777: 76:, lack of available resources, or changes to 717: 1012:Invertebrate Reproduction & Development 478:at the ends of chromosomes, referred to as 200:. One way to induce immortality is through 1784: 1770: 1371:Microbiology and Molecular Biology Reviews 636:"Late life: a new frontier for physiology" 308:also age. However, symmetrically dividing 295: 1609: 1599: 1467:"Is there a 400 pound lobster out there?" 1433: 1390: 1341: 1331: 1247: 1179:Greenwood, Veronique (6 September 2022). 1178: 1132: 1080: 1039: 910: 900: 747: 609:Masoro, E.J. (2006). Austad, S.N. (ed.). 602: 569:Reliability theory of aging and longevity 474:that repairs long repetitive sections of 1481: 1111: 497: 429:, and stem cell renewal, according to a 336: 1364: 1270: 539:American Academy of Anti-Aging Medicine 14: 2429: 851:"Germ cells: the route to immortality" 848: 823:University of Cologne (7 March 2018). 723: 608: 493: 189:have also been described as immortal. 1765: 1498:Consider the Lobster and Other Essays 1367:"Human Telomerase and Its Regulation" 753: 683:Nature Reviews Molecular Cell Biology 640:Physiological and Biochemical Zoology 730:The Immortal Life of Henrietta Lacks 996:Gross2, 5, Iva M. Tolić-NĂžrrelykke1 799:The Journal of Biological Chemistry 106:on how many times they can divide. 24: 1305: 977:Species with Negligible Senescence 825:"On the immortality of stem cells" 25: 2453: 1554: 1927:Biodemography of human longevity 1652:from the original on 2010-12-30. 1626:from the original on 2012-03-06. 1563:from the original on 2015-02-12. 1477:from the original on 2011-07-27. 1168:from the original on 2016-04-26. 733:. New York: Crown/Random House. 611:Handbook of the Biology of Aging 436:Similar cases include hydrozoan 89:Handbook of the Biology of Aging 1688: 1656: 1630: 1567: 1548: 1523: 1458: 1407: 1358: 1299: 1264: 1198: 1172: 1105: 1056: 999: 989: 970: 927: 868: 590:Timeline of senescence research 329:can be regarded as "immortal". 259:Strongylocentrotus franciscanus 1732:, Universal Publishers, 2001. 1718:, Ria University Press, 2005. 1465:Jacob Silverman (2007-07-05). 1383:10.1128/MMBR.66.3.407-425.2002 1306:He; et al. (2015-12-21). 842: 816: 790: 777: 674: 627: 466:Their longevity may be due to 208:, commonly introduced through 13: 1: 1791: 1435:10.1016/S0014-5793(98)01357-X 1143:10.1016/S0531-5565(97)00113-7 849:Surani, Azim (1 April 2009). 596: 147:hypothesized that all normal 109: 95:, an idea referred to as the 1333:10.1371/journal.pone.0145314 1112:MartĂ­nez, Daniel E. (1998). 1024:10.1080/07924259.2014.938196 385: 215: 7: 1716:The Prospect of Immortality 1503:Little, Brown & Company 1082:10.1016/j.ydbio.2017.11.003 526: 451: 204:-mediated induction of the 97:late-life mortality plateau 87:has been challenged in the 10: 2458: 1868:research into centenarians 1757:. Oxford University Press. 936:Cell Biology International 554:DNA damage theory of aging 455: 113: 40:(sometimes referred to as 29: 2388: 2337: 2297: 2259: 2214: 2059: 2001: 1990: 1937:Longevity escape velocity 1900: 1824:aging-associated diseases 1799: 1285:10.1007/s00227-005-0182-3 754:Smith, Van (2002-04-17). 585:Telomerase in cancer cell 409:to replenish cells after 2416:Longest-living organisms 1746:1998 May;33(3):217–225. 1744:Experimental Gerontology 1121:Experimental Gerontology 505:, a freshwater planarian 458:Lobster § Longevity 332: 42:bio-indefinite mortality 30:Not to be confused with 1601:10.1073/pnas.1118885109 1232:10.1073/pnas.2118763119 902:10.1073/pnas.80.14.4354 855:University of Cambridge 805:(April 25): 26X9–2676, 296:Bacteria and some yeast 289:Somniosus microcephalus 2411:Transhumanist politics 2329:Immortality in fiction 2307:Biological immortality 1851:cognitive epidemiology 1728:Dr. R. Michael Perry. 1493:"Consider the Lobster" 787:(2012): 1891-898. Web. 515:Schmidtea mediterranea 506: 344: 198:tumor suppressor genes 165:, and thereby avoided 120:Immortalised cell line 38:Biological immortality 32:immortalised cell line 2215:regions by continents 1834:negligible senescence 1829:degenerative diseases 1069:Developmental Biology 564:Methuselah Foundation 501: 463:(as detailed below). 456:Further information: 398:Turritopsis nutricula 362:. Hydras are simple, 340: 151:cells were immortal. 2060:regions of countries 1880:LGBT life expectancy 1519:on October 12, 2010. 1489:David Foster Wallace 760:Baltimore City Paper 574:Rejuvenation (aging) 431:comparative genomics 407:transdifferentiation 291:) - 250 to 500 years 229:Emydoidea blandingii 183:Embryonic stem cells 2401:Longevity insurance 2319:Digital immortality 1945:calorie restriction 1932:Indefinite lifespan 1922:Anti-aging movement 1892:Biomarkers of aging 1592:2012PNAS..109.4209T 1324:2015PLoSO..1045314H 1224:2022PNAS..11918763P 1218:(36): e2118763119. 893:1983PNAS...80.4354R 785:Cellular Physiology 510:Planarian flatworms 494:Planarian flatworms 411:sexual reproduction 392:Turritopsis dohrnii 366:animals possessing 269:Sebastes aleutianus 83:This definition of 2051:World macroregions 1950:Diet and longevity 1699:The First Immortal 1646:www.geochembio.com 1642:, model planarian" 1185:The New York Times 982:2015-04-17 at the 948:10.1002/cbin.10137 507: 421:appear to involve 345: 249:Terrapene carolina 245:Eastern box turtle 2424: 2423: 2255: 2254: 1975:stem-cell therapy 1887:Maximum life span 1701:, Del Rey, 1998. 1695:James L. Halperin 1512:978-0-316-15611-0 887:(14): 4354–4358. 740:978-1-4000-5217-2 620:978-0-12-088387-5 559:Maximum life span 439:Laodicea undulata 370:and contain post- 279:Arctica islandica 275:Ocean quahog clam 265:Rougheye rockfish 225:Blanding's turtle 16:(Redirected from 2449: 2267:Longevity claims 1999: 1998: 1863:supercentenarian 1786: 1779: 1772: 1763: 1762: 1758: 1755:Does Aging Stop? 1683: 1682: 1660: 1654: 1653: 1634: 1628: 1627: 1613: 1603: 1586:(9): 4209–4214. 1571: 1565: 1564: 1552: 1546: 1545: 1543: 1542: 1533:. Archived from 1527: 1521: 1520: 1515:. 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Archived from 751: 745: 744: 721: 715: 714: 695:10.1038/35036093 678: 672: 671: 631: 625: 624: 606: 544:Calico (company) 503:Polycelis felina 488:European lobster 239:Proteus anguinus 141:Leonard Hayflick 21: 2457: 2456: 2452: 2451: 2450: 2448: 2447: 2446: 2427: 2426: 2425: 2420: 2384: 2338:Longevity genes 2333: 2293: 2251: 2210: 2055: 1994:life expectancy 1992: 1986: 1896: 1875:Life expectancy 1814:Longevity myths 1795: 1790: 1712:Robert Ettinger 1691: 1686: 1671: 1668:Wayback Machine 1661: 1657: 1636: 1635: 1631: 1572: 1568: 1555:Koren, Marina. 1553: 1549: 1540: 1538: 1529: 1528: 1524: 1513: 1486: 1482: 1463: 1459: 1412: 1408: 1363: 1359: 1304: 1300: 1269: 1265: 1203: 1199: 1189: 1187: 1177: 1173: 1165: 1134:10.1.1.500.9508 1116: 1110: 1106: 1061: 1057: 1018:(sup1): 39–44. 1004: 1000: 994: 990: 984:Wayback Machine 975: 971: 942:(10): 1038–45. 932: 928: 873: 869: 859: 857: 847: 843: 833: 831: 821: 817: 795: 791: 782: 778: 769: 767: 752: 748: 741: 725:Skloot, Rebecca 722: 718: 679: 675: 632: 628: 621: 607: 603: 599: 594: 529: 496: 460: 454: 442:and scyphozoan 423:DNA replication 388: 368:radial symmetry 335: 298: 285:Greenland shark 218: 210:simian virus 40 206:large T-antigen 122: 114:Main articles: 112: 35: 28: 23: 22: 18:Immortalization 15: 12: 11: 5: 2455: 2445: 2444: 2439: 2422: 2421: 2419: 2418: 2413: 2408: 2406:Longevity risk 2403: 2398: 2392: 2390: 2386: 2385: 2383: 2382: 2377: 2372: 2367: 2362: 2357: 2352: 2347: 2341: 2339: 2335: 2334: 2332: 2331: 2326: 2321: 2316: 2315: 2314: 2303: 2301: 2295: 2294: 2292: 2291: 2290: 2289: 2284: 2279: 2269: 2263: 2261: 2257: 2256: 2253: 2252: 2250: 2249: 2244: 2239: 2234: 2229: 2224: 2218: 2216: 2212: 2211: 2209: 2208: 2207: 2206: 2201: 2191: 2186: 2181: 2176: 2171: 2166: 2161: 2156: 2151: 2146: 2141: 2136: 2131: 2126: 2121: 2116: 2111: 2106: 2101: 2100: 2099: 2089: 2084: 2079: 2074: 2069: 2063: 2061: 2057: 2056: 2054: 2053: 2048: 2043: 2038: 2033: 2032: 2031: 2026: 2016: 2011: 2005: 2003: 1996: 1988: 1987: 1985: 1984: 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Prior to 85:immortality 78:environment 2442:Senescence 2431:Categories 2282:by country 2179:Tajikistan 2144:Kazakhstan 2002:by country 1819:Senescence 1748:Full text. 1640:Schmidtea 1541:2015-02-10 770:2010-03-02 597:References 468:telomerase 405:that uses 376:senescence 364:freshwater 323:stem cells 187:germ cells 163:telomerase 133:DNA damage 125:Biologists 110:Cell lines 46:senescence 2396:Blue zone 2154:Palestine 2072:Australia 2067:Argentina 1793:Longevity 1531:"Biotemp" 1240:0027-8424 1129:CiteSeerX 1091:0012-1606 1032:0792-4259 480:telomeres 403:jellyfish 386:Jellyfish 382:lengths. 360:asexually 216:Organisms 212:(SV-40). 194:oncogenes 167:apoptosis 137:telomeres 74:predation 56:immortal 2277:verified 2199:shortest 2019:Americas 1991:Lists of 1941:Methods 1666:and the 1650:Archived 1624:Archived 1620:22371573 1561:Archived 1491:(2005). 1475:Archived 1452:33161779 1401:12208997 1352:26690755 1312:PLOS ONE 1293:84325535 1258:36037356 1163:Archived 1099:29291976 1050:26136619 980:Archived 964:14777249 956:23723166 727:(2010). 703:11413492 668:31627493 660:16228927 527:See also 484:moulting 452:Lobsters 380:telomere 356:Cnidaria 310:bacteria 302:bacteria 93:old ages 2389:Related 2260:Records 2242:Oceania 2204:longest 2114:Germany 2109:Finland 2077:Belgium 2046:Oceania 1809:Old age 1678:YouTube 1611:3306686 1588:Bibcode 1444:9849895 1343:4687044 1320:Bibcode 1249:9459311 1220:Bibcode 1159:2009972 1151:9615920 1041:4464093 921:6308618 889:Bibcode 711:6821048 445:Aurelia 433:study. 372:mitotic 354:of the 327:gametes 149:somatic 70:disease 2370:Klotho 2287:living 2232:Europe 2222:Africa 2184:Turkey 2174:Sweden 2159:Russia 2149:Mexico 2129:Israel 2119:Greece 2104:France 2097:Cities 2087:Canada 2082:Brazil 2041:Europe 2014:Africa 1801:Ageing 1736:  1722:  1705:  1618:  1608:  1509:  1450:  1442:  1399:  1392:120798 1389:  1350:  1340:  1291:  1256:  1246:  1238:  1157:  1149:  1131:  1097:  1089:  1048:  1038:  1030:  962:  954:  919:  912:384036 909:  811:429309 809:  737:  709:  701:  666:  658:  617:  581:(SENS) 472:enzyme 448:sp.1. 427:repair 350:are a 348:Hydras 175:Jurkat 160:enzyme 156:cancer 66:poison 62:injury 58:living 2375:SIRT1 2345:FOXO3 2169:Spain 2139:Japan 2134:Italy 2124:India 2092:China 2009:World 1915:index 1448:S2CID 1289:S2CID 1166:(PDF) 1155:S2CID 1117:(PDF) 960:S2CID 707:S2CID 664:S2CID 470:, an 395:, or 352:genus 342:Hydra 333:Hydra 314:yeast 306:yeast 202:viral 2355:CETP 2350:APOE 2227:Asia 2036:Asia 1980:SENS 1734:ISBN 1720:ISBN 1703:ISBN 1616:PMID 1580:PNAS 1507:ISBN 1440:PMID 1397:PMID 1348:PMID 1254:PMID 1236:ISSN 1192:2022 1147:PMID 1095:PMID 1087:ISSN 1046:PMID 1028:ISSN 952:PMID 917:PMID 881:PNAS 862:2020 836:2020 807:PMID 735:ISBN 699:PMID 656:PMID 615:ISBN 425:and 325:and 312:and 304:and 185:and 173:and 171:HeLa 118:and 2380:TNF 2365:IL6 2360:ACE 2194:USA 1714:. 1606:PMC 1596:doi 1584:109 1430:doi 1426:439 1387:PMC 1379:doi 1338:PMC 1328:doi 1281:doi 1277:149 1244:PMC 1228:doi 1216:119 1139:doi 1077:doi 1073:433 1036:PMC 1020:doi 944:doi 907:PMC 897:doi 803:254 691:doi 648:doi 235:Olm 2433:: 2189:UK 1697:. 1675:. 1670:: 1648:. 1644:. 1622:. 1614:. 1604:. 1594:. 1582:. 1578:. 1559:. 1505:. 1501:. 1495:. 1473:. 1469:. 1446:. 1438:. 1424:. 1418:. 1395:. 1385:. 1375:66 1373:. 1369:. 1346:. 1336:. 1326:. 1316:10 1314:. 1310:. 1287:. 1275:. 1252:. 1242:. 1234:. 1226:. 1214:. 1210:. 1183:. 1161:. 1153:. 1145:. 1137:. 1125:33 1123:. 1119:. 1093:. 1085:. 1071:. 1067:. 1044:. 1034:. 1026:. 1016:59 1014:. 1010:. 958:. 950:. 940:37 938:. 915:. 905:. 895:. 885:80 883:. 879:. 853:. 827:. 801:, 758:. 705:. 697:. 685:. 662:. 654:. 644:78 642:. 638:. 80:. 72:, 68:, 64:, 1785:e 1778:t 1771:v 1681:. 1638:" 1598:: 1590:: 1544:. 1454:. 1432:: 1403:. 1381:: 1354:. 1330:: 1322:: 1295:. 1283:: 1260:. 1230:: 1222:: 1194:. 1141:: 1101:. 1079:: 1052:. 1022:: 966:. 946:: 923:. 899:: 891:: 864:. 838:. 773:. 743:. 713:. 693:: 687:1 670:. 650:: 623:. 287:( 277:( 267:( 257:( 247:( 237:( 227:( 34:. 20:)

Index

Immortalization
immortalised cell line
senescence
chronological
biologically
living
injury
poison
disease
predation
environment
immortality
old ages
late-life mortality plateau
Hayflick limit
Cell culture
Immortalised cell line
Biologists
Hayflick limit
DNA damage
telomeres
Leonard Hayflick
Alexis Carrel
somatic
cancer
enzyme
telomerase
apoptosis
HeLa
Jurkat

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