ArticleOncogene2002
The tumor suppressor protein p53 stimulates the formation of the human topoisomerase I double cleavage complex in vitro.
Article in Oncogene, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
7 citing papers in PubMed, 12 citations in OpenAlex.
- Article
- Mutational analysis of the preferential binding of human topoisomerase I to supercoiled DNA.The FEBS journal · 2009Article
- Poly(ADP-RIBOSE) polymerase-1 (Parp-1) antagonizes topoisomerase I-dependent recombination stimulation by P53.Nucleic acids research · 2006Article
- Role of Tax protein in human T-cell leukemia virus type-I leukemogenicity.Retrovirology · 2004Review
- p53 stimulates human topoisomerase I activity by modulating its DNA binding.Nucleic acids research · 2003Article
- Resistance mechanisms of gastrointestinal cancers: why does conventional chemotherapy fail?International journal of colorectal disease · 2003Review
- Human topoisomerase I cleavage complexes are repaired by a p53-stimulated recombination-like reaction in vitro.Nucleic acids research · 2002Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Previous studies have shown that human topoisomerase I interacts directly with the tumor-suppressor protein p53. In the past few years it has repeatedly been suggested that topoisomerase I and p53 may play a joint role in the response to genotoxic stress. This led to the suggestion that p53 and human topoisomerase I may cooperate in the process of DNA repair and/or apoptosis. Recently we have demonstrated that a human topoisomerase I cleavage complex can be recognized by an additional topoisomerase I molecule and thereby form a so-called double cleavage complex. The double cleavage complex creates an about 13 nucleotides long single-stranded gap that may provide an entry site for recombinational repair events. Here we demonstrate that p53 stimulates both the DNA relaxation activity as well as the formation of the human topoisomerase I double cleavage complex by at least a factor of six. Stimulation of topoisomerase I activity by p53 is mediated via the central part of topoisomerase I. We also show that human, bovine, and murine p53 stimulate human topoisomerase I relaxation activity equally well. From these results it is conceivable that p53's stimulatory activity on topoisomerase I may play a role in DNA recombination and repair as well as in apoptosis.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.