Evidence map›Paper›PMID 9001230›Full record

ArticleMolecular and cellular biology1997

Recognition and repair of compound DNA lesions (base damage and mismatch) by human mismatch repair and excision repair systems.

D Mu, M Tursun, D R Duckett, J T Drummond, P Modrich, A Sancar

Open access · greenAbstract read
In one paragraph

Article in Molecular and cellular biology, 1997. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 64 papers.

0numbers the graph read from it
0cells of the map it votes in
64citing papers in PubMed
14.1field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

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.

3 · Its place in the literature

Who cites it

64 citing papers in PubMed, 198 citations in OpenAlex.

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  6. CSB-independent, XPC-dependent transcription-coupled repair inProceedings of the National Academy of Sciences of the United States of America · 2022
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4 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 2 institutions in 2 countries.

D MuDepartment of Biochemistry and Biophysics, University of North Carolina School of Medicine, Chapel Hill 27599-7260, USA.
M Tursun
D R Duckett
J T Drummond
P Modrich
A Sancar
Howard Hughes Medical Institute · USUniversity of North Carolina at Chapel Hill · US

Funding

STRUCTURE AND FUNCTION OF UVRABC EXCISION NUCLEASER01GM032833 · NIGMS · UNIV OF NORTH CAROLINA CHAPEL HILL · PI SANCAR, AZIZ · 1985 to 2015
$8.9M
Enzymology Of Eukaryotic Mismatch RepairR01GM045190 · NIGMS · DUKE UNIVERSITY · PI MODRICH, PAUL LAWRENCE · 1991 to 2018
$6.8M
NIGMS NIH HHS GM32833NIGMS NIH HHS GM45190
6 · The paper itself

Abstract

Nucleotide excision repair and the long-patch mismatch repair systems correct abnormal DNA structures arising from DNA damage and replication errors, respectively. DNA synthesis past a damaged base (translesion replication) often causes misincorporation at the lesion site. In addition, mismatches are hot spots for DNA damage because of increased susceptibility of unpaired bases to chemical modification. We call such a DNA lesion, that is, a base damage superimposed on a mismatch, a compound lesion. To learn about the processing of compound lesions by human cells, synthetic compound lesions containing UV photoproducts or cisplatin 1,2-d(GpG) intrastrand cross-link and mismatch were tested for binding to the human mismatch recognition complex hMutS alpha and for excision by the human excision nuclease. No functional overlap between excision repair and mismatch repair was observed. The presence of a thymine dimer or a cisplatin diadduct in the context of a G-T mismatch reduced the affinity of hMutS alpha for the mismatch. In contrast, the damaged bases in these compound lesions were excised three- to fourfold faster than simple lesions by the human excision nuclease, regardless of the presence of hMutS alpha in the reaction. These results provide a new perspective on how excision repair, a cellular defense system for maintaining genomic integrity, can fix mutations under certain circumstances.

Indexed as

Adenosine TriphosphatasesDNA-Binding ProteinsDNA Repair EnzymesNucleic Acid HeteroduplexesAdaptor Proteins, Signal TransducingCell ExtractsCisplatinDinucleoside PhosphatesDNADNA AdductsDNA DamageDNA RepairEndodeoxyribonucleasesFungal ProteinsHeLa CellsHumansAdaptor Proteins, Signal TransducingAdenosine TriphosphatasesCell ExtractsCisplatincisplatin-deoxy(guanosine monophosphate guanosine) adductcisplatin-DNA adductDinucleoside PhosphatesDNADNA AdductsDNA-Binding ProteinsDNA Repair EnzymesEndodeoxyribonucleasesFungal ProteinsMismatch Repair Endonuclease PMS2MLH1 protein, S cerevisiaeMSH2 protein, humanMutL Protein Homolog 1MutS Homolog 2 ProteinNucleic Acid HeteroduplexesPMS2 protein, humanProteinsProto-Oncogene ProteinsPyrimidine DimersSaccharomyces cerevisiae Proteins

Identifiers

PMID9001230
PMCPMC231802
OpenAlexW2098489063

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.