Telomeres, p21 and the cancer-aging hypothesis

被引:16
作者
Bell, Jessica F. [1 ]
Sharpless, Norman E.
机构
[1] Univ N Carolina, Dept Med, Lineberger Comprehens Canc Ctr, Sch Med, Chapel Hill, NC 27599 USA
[2] Univ N Carolina, Dept Genet, Lineberger Comprehens Canc Ctr, Sch Med, Chapel Hill, NC 27599 USA
关键词
D O I
10.1038/ng0107-11
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
Telomere dysfunction suppresses cancer through the p53 tumor suppressor pathway but also contributes to aging. A new study suggests that these effects of dysfunctional telomeres may be separable, such that aging - but not cancer suppression - depends on the p21 cell cycle inhibitor.
引用
收藏
页码:11 / 12
页数:2
相关论文
共 15 条
[1]   Telomerase is required to slow telomere shortening and extend replicative lifespan of HSCs during serial transplantation [J].
Allsopp, RC ;
Morin, GB ;
DePinho, R ;
Harley, CB ;
Weissman, IL .
BLOOD, 2003, 102 (02) :517-520
[2]   Hematopoietic stem cell quiescence maintained by p21cip1/waf1 [J].
Cheng, T ;
Rodrigues, N ;
Shen, HM ;
Yang, YG ;
Dombkowski, D ;
Sykes, M ;
Scadden, DT .
SCIENCE, 2000, 287 (5459) :1804-1808
[3]   p53 deficiency rescues the adverse effects of telomere loss and cooperates with telomere dysfunction to accelerate carcinogenesis [J].
Chin, L ;
Artandi, SE ;
Shen, Q ;
Tam, A ;
Lee, SL ;
Gottlieb, GJ ;
Greider, CW ;
DePinho, RA .
CELL, 1999, 97 (04) :527-538
[4]   Cdkn1a deletion improves stem cell function and lifespan of mice with dysfunctional telomeres without accelerating cancer formation [J].
Choudhury, Aaheli Roy ;
Ju, Zhenyu ;
Djojosubroto, Meta W. ;
Schienke, Andrea ;
Lechel, Andre ;
Schaetzlein, Sonja ;
Jiang, Hong ;
Stepczynska, Anna ;
Wang, Chunfang ;
Buer, Jan ;
Lee, Han-Woong ;
von Zglinicki, Thomas ;
Ganser, Arnold ;
Schirmacher, Peter ;
Nakauchi, Hiromitsu ;
Rudolph, K. Lenhard .
NATURE GENETICS, 2007, 39 (01) :99-105
[5]   The pathological response to DNA damage does not contribute to p53-mediated tumour suppression [J].
Christophorou, M. A. ;
Ringshausen, I. ;
Finch, A. J. ;
Swigart, L. Brown ;
Evan, G. I. .
NATURE, 2006, 443 (7108) :214-217
[6]   The impact of altered p53 dosage on hematopoietic stem cell dynamics during aging [J].
Dumble, Melissa ;
Moore, Lynette ;
Chambers, Stuart M. ;
Geiger, Hartmut ;
Van Zant, Gary ;
Goodell, Margaret A. ;
Donehower, Lawrence A. .
BLOOD, 2007, 109 (04) :1736-1742
[7]   Cellular senescence in aging primates [J].
Herbig, U ;
Ferreira, M ;
Condel, L ;
Carey, D ;
Sedivy, JM .
SCIENCE, 2006, 311 (5765) :1257-1257
[8]   Stem-cell ageing modified by the cyclin-dependent kinase inhibitor p16INK4a [J].
Janzen, Viktor ;
Forkert, Randolf ;
Fleming, Heather E. ;
Saito, Yoriko ;
Waring, Michael T. ;
Dombkowski, David M. ;
Cheng, Tao ;
DePinho, Ronald A. ;
Sharpless, Norman E. ;
Scadden, David T. .
NATURE, 2006, 443 (7110) :421-426
[9]   The regulation of INK4/ARF in cancer and aging [J].
Kim, William Y. ;
Sharpless, Norman E. .
CELL, 2006, 127 (02) :265-275
[10]   Connecting chromosomes, crisis, and cancer [J].
Maser, RS ;
DePinho, RA .
SCIENCE, 2002, 297 (5581) :565-569