Evidence map›Paper›PMID 37957685›Full record

ArticleJournal of experimental & clinical cancer research : CR2023

MBD4 loss results in global reactivation of promoters and retroelements with low methylated CpG density.

Christophe Papin, Abdulkhaleg Ibrahim, Jamal S M Sabir, Stéphanie Le Gras, Isabelle Stoll, Raed S Albiheyri, Ali T Zari, Ahmed Bahieldin, Alfonso Bellacosa, Christian Bronner and 1 more

Open access · goldAbstract read
In one paragraph

Article in Journal of experimental & clinical cancer research : CR, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
1.1field-weighted citation impact, top 22% 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

6 citing papers in PubMed, 7 citations in OpenAlex.

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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

11 authors at 3 institutions in 3 countries.

Christophe Papin *Institut de Génétique Et Biologie Moléculaire Et Cellulaire (IGBMC), UdS, CNRS, INSERM, Equipe Labélisée Ligue Contre Le Cancer, 1 Rue Laurent Fries, B.P. 10142, Illkirch, 67404, Cedex, France.
Abdulkhaleg Ibrahim *Institut de Génétique Et Biologie Moléculaire Et Cellulaire (IGBMC), UdS, CNRS, INSERM, Equipe Labélisée Ligue Contre Le Cancer, 1 Rue Laurent Fries, B.P. 10142, Illkirch, 67404, Cedex, France.
Jamal S M Sabir *Centre of Excellence in Bionanoscience, King Abdulaziz University, Jeddah, Saudi Arabia.
Stéphanie Le GrasInstitut de Génétique Et Biologie Moléculaire Et Cellulaire (IGBMC), UdS, CNRS, INSERM, Equipe Labélisée Ligue Contre Le Cancer, 1 Rue Laurent Fries, B.P. 10142, Illkirch, 67404, Cedex, France.
Isabelle StollInstitut de Génétique Et Biologie Moléculaire Et Cellulaire (IGBMC), UdS, CNRS, INSERM, Equipe Labélisée Ligue Contre Le Cancer, 1 Rue Laurent Fries, B.P. 10142, Illkirch, 67404, Cedex, France.
Raed S AlbiheyriCentre of Excellence in Bionanoscience, King Abdulaziz University, Jeddah, Saudi Arabia.
Ali T ZariCentre of Excellence in Bionanoscience, King Abdulaziz University, Jeddah, Saudi Arabia.
Ahmed BahieldinCentre of Excellence in Bionanoscience, King Abdulaziz University, Jeddah, Saudi Arabia.
Alfonso BellacosaCancer Biology Program, Cancer Epigenetics Program, Fox Chase Cancer Center, Philadelphia, PA, 19111, USA.
Christian BronnerInstitut de Génétique Et Biologie Moléculaire Et Cellulaire (IGBMC), UdS, CNRS, INSERM, Equipe Labélisée Ligue Contre Le Cancer, 1 Rue Laurent Fries, B.P. 10142, Illkirch, 67404, Cedex, France. bronnerc@igbmc.fr.ORCID http://orcid.org/0000-0002-3101-9279
Ali HamicheInstitut de Génétique Et Biologie Moléculaire Et Cellulaire (IGBMC), UdS, CNRS, INSERM, Equipe Labélisée Ligue Contre Le Cancer, 1 Rue Laurent Fries, B.P. 10142, Illkirch, 67404, Cedex, France. hamiche@igbmc.fr.
Centre National de la Recherche Scientifique · FRKing Abdulaziz University · SAFox Chase Cancer Center · US

Funding

Agence Nationale de la Recherche ANR-10-INBS-0009Agence Nationale de la Recherche ANR-20-CE17-0008_CA-TsAgence Nationale de la Recherche ANR-21-CE11-0024Agence Nationale de la Recherche ANR-21-CE12-0017Ministry of Education and King Abdulazziz university IFPNC-005-130-2020
6 · The paper itself

Abstract

backgroundInherited defects in the base-excision repair gene MBD4 predispose individuals to adenomatous polyposis and colorectal cancer, which is characterized by an accumulation of C > T transitions resulting from spontaneous deamination of 5'-methylcytosine.

methodsHere, we have investigated the potential role of MBD4 in regulating DNA methylation levels using genome-wide transcriptome and methylome analyses. Additionally, we have elucidated its function through a series of in vitro experiments.

resultsHere we show that the protein MBD4 is required for DNA methylation maintenance and G/T mismatch repair. Transcriptome and methylome analyses reveal a genome-wide hypomethylation of promoters, gene bodies and repetitive elements in the absence of MBD4 in vivo. Methylation mark loss is accompanied by a broad transcriptional derepression phenotype affecting promoters and retroelements with low methylated CpG density. MBD4 in vivo forms a complex with the mismatch repair proteins (MMR), which exhibits high bi-functional glycosylase/AP-lyase endonuclease specific activity towards methylated DNA substrates containing a G/T mismatch. Experiments using recombinant proteins reveal that the association of MBD4 with the MMR protein MLH1 is required for this activity.

conclusionsOur data identify MBD4 as an enzyme specifically designed to repair deaminated 5-methylcytosines and underscores its critical role in safeguarding against methylation damage. Furthermore, it illustrates how MBD4 functions in normal and pathological conditions.

Indexed as

DNA RepairRetroelementsDNA MethylationDNA Mismatch RepairEndodeoxyribonucleasesHumansRecombinant ProteinsEndodeoxyribonucleasesMBD4 protein, humanRecombinant ProteinsRetroelementsCancerDNA methylationMBD4Mismatch repairMLH1

Identifiers

PMID37957685
PMCPMC10644448
OpenAlexW4388646455

What OpenQuestion holds

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LicenceCC BY
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Registered trials

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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.