Oh what a tangled web it weaves: BRCA1 and DNA decatenation

被引:7
作者
Ashworth, A [1 ]
机构
[1] Inst Canc Res, Breakthrough Breat Canc Res Ctr, London SW3 6JB, England
关键词
D O I
10.1016/j.ccr.2005.07.011
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
BRCA1 has significant roles in DNA repair and cell cycle checkpoint control, and is important in the maintenance of genomic stability. Defects in these pathways likely underpin the cancer susceptibility of BRCA1 mutation carriers. Now, a new function for BRCA1 in DNA decatenation-removing the tangles introduced into chromosomes as a consequence of DNA replication-is suggested in a new paper by Lou et al. (2005) in Nature Structural and Molecular Biology. Ineffective DNA decatenation may lead to chromosome breakage and inappropriate repair, adding to the roll call of defects in BRCA1 mutant cells.
引用
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页码:95 / 97
页数:3
相关论文
共 13 条
[1]   The human decatenation checkpoint [J].
Deming, PB ;
Cistulli, CA ;
Zhao, H ;
Graves, PR ;
Piwnica-Worms, H ;
Paules, RS ;
Downes, CS ;
Kaufmann, WK .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2001, 98 (21) :12044-12049
[2]   Targeting the DNA repair defect in BRCA mutant cells as a therapeutic strategy [J].
Farmer, H ;
McCabe, N ;
Lord, CJ ;
Tutt, ANJ ;
Johnson, DA ;
Richardson, TB ;
Santarosa, M ;
Dillon, KJ ;
Hickson, I ;
Knights, C ;
Martin, NMB ;
Jackson, SP ;
Smith, GCM ;
Ashworth, A .
NATURE, 2005, 434 (7035) :917-921
[3]   A subset of ATM- and ATR-dependent phosphorylation events requires the BRCA1 protein [J].
Foray, N ;
Marot, D ;
Gabriel, A ;
Randrianarison, V ;
Carr, AM ;
Perricaudet, M ;
Ashworth, A ;
Jeggo, P .
EMBO JOURNAL, 2003, 22 (11) :2860-2871
[4]   New complexities for BRCA1 and BRCA2 [J].
Kerr, P ;
Ashworth, A .
CURRENT BIOLOGY, 2001, 11 (16) :R668-R676
[5]   BRCA1 participates in DNA decatenation [J].
Lou, ZK ;
Minter-Dykhouse, K ;
Chen, JJ .
NATURE STRUCTURAL & MOLECULAR BIOLOGY, 2005, 12 (07) :589-593
[6]   BRCT repeats as phosphopeptide-binding modules involved in protein targeting [J].
Manke, IA ;
Lowery, DM ;
Nguyen, A ;
Yaffe, MB .
SCIENCE, 2003, 302 (5645) :636-639
[7]   Identification of decatenation G2 checkpoint impairment independently of DNA damage G2 checkpoint in human lung cancer cell lines [J].
Nakagawa, T ;
Hayashita, Y ;
Maeno, K ;
Masuda, A ;
Sugito, N ;
Osada, H ;
Yanagisawa, K ;
Ebi, H ;
Shimokata, K ;
Takahashi, T .
CANCER RESEARCH, 2004, 64 (14) :4826-4832
[8]   Inhibition of DNA decatenation, but not DNA damage, arrests cells at metaphase [J].
Skoufias, DA ;
Lacroix, FB ;
Andreassen, PR ;
Wilson, L ;
Margolis, RL .
MOLECULAR CELL, 2004, 15 (06) :977-990
[9]   Targeting the DNA repair defect of BRCA tumours [J].
Turner, N ;
Tutt, A ;
Ashworth, A .
CURRENT OPINION IN PHARMACOLOGY, 2005, 5 (04) :388-393
[10]   Cellular roles of DNA topoisomerases: A molecular perspective [J].
Wang, JC .
NATURE REVIEWS MOLECULAR CELL BIOLOGY, 2002, 3 (06) :430-440