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1 camptothecin sensitivity of yeast and human DNA topoisomerase I.
2 -kDa N-terminal fragment of Escherichia coli DNA topoisomerase I.
3 t of the known structures of yeast and human DNA topoisomerase I.
4 nd unwinds DNA in the presence of eukaryotic DNA topoisomerase I.
5 shown previously to act as poisons of human DNA topoisomerase I.
6 nhibit RNA topoisomerase activity of E. coli DNA topoisomerase I.
7 ding of the modified DNA substrates by human DNA topoisomerase I.
8 mplate and DNA synthesis absolutely required DNA topoisomerase I.
9 upercoiled in Escherichia coli cells lacking DNA topoisomerase I.
10 chain and amino acids of the active site of DNA topoisomerase I.
11 found to have 100% sequence homologies with DNA topoisomerase I.
12 does not result from elevated expression of DNA topoisomerase I.
13 on of DNA damage induced by camptothecin and DNA topoisomerase I.
14 aining a deletion of topA (the gene encoding DNA topoisomerase I) a compensatory mutation is found in
15 substitution mutagenesis of Escherichia coli DNA topoisomerase I, a member of the type IA subfamily o
16 eplisomes with camptothecin (CPT)-stabilized DNA-Topoisomerase I adducts activates an ATR-dependent p
17 Therapy for ERMS included alkylating agents, DNA topoisomerase I and DNA topoisomerase II inhibitors,
21 thin the other component are factors, namely DNA topoisomerase I and PC4, previously shown to serve a
22 the nuclear mitotic apparatus protein NuMA, DNA topoisomerases I and II, and the RNA polymerase I up
23 results, E. coli cells lacking both type IA DNA topoisomerases I and III are found to be nonviable,
24 urther confirmed to be DNA polymerase alpha, DNA topoisomerase I, and PCNA by immunoprecipitation exp
26 RNP, anti-SSA/Ro, anti-SSB/La, anti-Scl-70 (DNA topoisomerase I), anticentromere, and anti-Jo-1 anti
27 the active site tyrosine of Escherichia coli DNA topoisomerase I are conserved among the type IA topo
28 11, Asp-113, and Glu-115 of Escherichia coli DNA topoisomerase I are located near the active site Tyr
31 DNA from the 5' side of a nick generated by DNA topoisomerase I at a ribonucleoside monophosphate re
32 hput assay to screen for inhibitors of human DNA topoisomerase I based on the scintillation proximity
35 -b]pyran-5,6-dione (beta-lapachone) inhibits DNA topoisomerase I by a mechanism distinct from that of
36 The antitumor agent camptothecin targets DNA topoisomerase I by reversibly stabilizing a covalent
37 l result in severely compromised enzymes and DNA topoisomerase I-camptothecin dependent lethality.
40 a new class of anticancer drugs that target DNA topoisomerase I; current efforts are directed toward
44 xtraction, regions of the DNA polymerase and DNA topoisomerase I genes were amplified by PCR, sequenc
45 logical probe, we find that Escherichia coli DNA topoisomerase I has low RNA topoisomerase activity a
47 e response represents a new role for E. coli DNA topoisomerase I in addition to prevention of excessi
48 icting results regarding the essentiality of DNA topoisomerase I in cells grown in media of low osmol
50 ults thus implicate an indispensable role of DNA topoisomerase I in E. coli cells grown in media of a
51 the rDNA and clarifies a structural role of DNA topoisomerase I in the epigenetic regulation of rDNA
53 Mutations in two conserved regions of yeast DNA topoisomerase I induced a similar mechanism of cell
54 lkynyl side chains display excellent E. coli DNA topoisomerase I inhibition properties with IC50 valu
55 been synthesized and their Escherichia coli DNA topoisomerase I inhibition, binding to B-DNA duplex,
56 The anticancer agent camptothecin (CPT) is a DNA topoisomerase I inhibitor that causes fork collapse
58 sphorylated within 1 h after addition of the DNA topoisomerase I inhibitor, camptothecin, and that la
62 one (2k), which exhibited the characteristic DNA topoisomerase-I inhibitory mechanism of action with
63 matography and overlay blotting that E. coli DNA topoisomerase I interacts directly with the RNA poly
66 raction between camptothecin derivatives and DNA topoisomerase I is essential in the induction of rad
72 stidine residue, His-365 in Escherichia coli DNA topoisomerase I, is located at the active site of ty
74 lts suggest distinct mechanisms of poisoning DNA topoisomerase I may be explored in the development o
75 mechanisms underlying cellular responses to DNA topoisomerase I-mediated DNA damage are conserved be
77 t study, we investigated the role of Ku86 in DNA topoisomerase I-mediated radiosensitization induced
78 with enhanced sensitivity to self-poisoning DNA topoisomerase I mutant (Top1T722Ap), which mimics th
79 ture-sensitive growth in the presence of the DNA topoisomerase I mutant, Top1T722Ap, were selected.
80 to the cytotoxic activity of Cpt or specific DNA topoisomerase I mutants, we initiated a genetic scre
82 patients with SSc who are positive for anti-DNA topoisomerase I or anticentromere autoantibodies.
83 SSc patients who had either circulating anti-DNA topoisomerase I (P=7.58x10(-17)/4.84x10(-16)) or ant
84 gainst >4000 potential autoantigens revealed DNA topoisomerase I peptide 205-219 (TI-I(205-219)) as t
87 inus of this alpha helix in Escherichia coli DNA topoisomerase I showed that flexibility around this
88 gs1 top1 double mutant lacking both Sgs1 and DNA topoisomerase I showed that the slow growth phenotyp
89 a protein homologous to the Escherichia coli DNA topoisomerase I subfamily of enzymes has been identi
90 her in vivo evaluation of the combination of DNA topoisomerase I-targeted drugs and mTOR kinase inhib
92 rity, results from the synthesis of a mutant DNA topoisomerase I that is itself temperature-sensitive
99 n (CPT) and its derivatives target mammalian DNA topoisomerase I (top1) and are among the most effect
102 s such as DNA replication and transcription, DNA topoisomerase I (Top1) catalyzes the relaxation of D
104 When a replication fork collides with a DNA topoisomerase I (Top1) cleavage complex, the covalen
107 il (FU), is most closely correlated with the DNA topoisomerase I (Top1) inhibitor camptothecin in the
108 modified DNA lesions have been shown to trap DNA topoisomerase I (TOP1) into covalent cleavage comple
109 s containing wild-type and mutant alleles of DNA topoisomerase I (TOP1) into the haploid yeast gene-d
117 reated with camptothecin (CPT), a eukaryotic DNA topoisomerase I (TOP1) poison which induces TOP1-med
118 e show rapid recruitment, within minutes, of DNA topoisomerase I (TOP1) to a large cohort of AR-regul
119 uracil mismatches, nicks, and gaps can trap DNA topoisomerase I (top1) when these lesions are introd
130 show that mutations in the gene encoding for DNA topoisomerase I (topA) give rise to mutator phenotyp
132 tokines in regulating the production of anti-DNA topoisomerase I (topo I) Ab, a major autoantibody in
133 xyl-terminal amino acids of Escherichia coli DNA topoisomerase I (Topo I) and III (Topo III) play in
140 hydrophilic N-terminal domain of eukaryotic DNA topoisomerase I (topo I) is dispensable for catalyti
144 f the deduced amino acid sequence with other DNA topoisomerase I (topo I) protein sequences shows a s
146 luding DNA polymerase alpha (DNA pol alpha), DNA topoisomerase I (topo I), and proliferating-cell nuc
147 responses to various autoantigens, including DNA topoisomerase I (Topo I), have been implicated.
150 inding DNA ligands that uses closed circular DNA, topoisomerase I (Topo I), and two-dimensional agaro
151 tigens and also revealed increased levels of DNA topoisomerase I transcripts in SSc fibroblasts compa
153 The viability of the topA mutants lacking DNA topoisomerase I was thought to depend on the presenc
154 merase and the C-terminal domains of E. coli DNA topoisomerase I, which are homologous to the zinc ri
155 AA-etherA inhibition of DNA replication are DNA topoisomerase I, which is inhibited by AA-etherA in
157 n yeast (delta)top1 cells lacking endogenous DNA topoisomerase I yielded an activity in cell extracts