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MRE11 meiotic recombination 11 homolog A

Mre11
This gene encodes a nuclear protein involved in homologous recombination, telomere length maintenance, and DNA double-strand break repair. By itself, the protein has 3' to 5' exonuclease activity and endonuclease activity. The protein forms a complex with the RAD50 homolog; this complex is required for nonhomologous joining of DNA ends and possesses increased single-stranded DNA endonuclease and 3' to 5' exonuclease activities. In conjunction with a DNA ligase, this protein promotes the joining of noncomplementary ends in vitro using short homologies near the ends of the DNA fragments. This gene has a pseudogene on chromosome 3. Alternative splicing of this gene results in two transcript variants encoding different isoforms. [provided by RefSeq, Jul 2008] (from NCBI)
Top mentioned proteins: Rad50, NBS1, Atm, CAN, Rad51
Papers on Mre11
The use of Olaparib (AZD2281) potentiates SN-38 cytotoxicity in colon cancer cells by indirect inhibition of Rad51-mediated repair of DNA double-strand breaks.
New
Sugano et al., Tochigi, Japan. In Mol Cancer Ther, May 2014
Reportedly, mismatch repair (MMR)-deficient colon cancer cells are sensitive to topoisomerase I inhibitor, presumably due to microsatellite instability (MSI) of the MRE11 locus.
Genetic factors in individual radiation sensitivity.
New
Gomolka et al., Germany. In Dna Repair (amst), Apr 2014
Genes involved in the single-strand-repair pathway (SSR; like XRCC1 and MSH2) as well as genes involved in the double-strand-repair pathway (DSR; like RAD50, XRCC4, MRE11 and ATM) were found to be associated with DNA damage.
Next-generation sequencing identifies germline MRE11A variants as markers of radiotherapy outcomes in muscle-invasive bladder cancer.
New
Kiltie et al., Leeds, United Kingdom. In Ann Oncol, Apr 2014
We previously found tumour MRE11 expression to be predictive of survival following RT in MIBC, and this was independently validated in a separate institute.
Post-transcriptional regulation of MRE11 expression in muscle-invasive bladder tumours.
New
Kiltie et al., Oxford, United Kingdom. In Oncotarget, Mar 2014
Our finding that low tumour MRE11 expression is predictive of poor response to radiotherapy but not cystectomy was recently independently validated.
Aberrant DNA methylation status of DNA repair genes in breast cancer treated with neoadjuvant chemotherapy.
New
Ohta et al., Kawasaki, Japan. In Genes Cells, Dec 2013
The aberrant DNA methylation status of the following HR related-genes was analyzed using bisulfite-pyrosequencing: BRCA1, BRCA2, BARD1, MDC1, RNF8, RNF168, UBC13, ABRA1, PALB2, RAD50, RAD51, RAD51C, MRE11, NBS1, CtIP and ATM.
ATM alters the otherwise robust chromatin mobility at sites of DNA double-strand breaks (DSBs) in human cells.
New
Jakob et al., Darmstadt, Germany. In Plos One, Dec 2013
Also depletion of proteins that tether DNA strands like MRE11 and cohesin did not alter IRIF dynamics significantly.
Hereditary genes and SNPs associated with breast cancer.
Review
Nasiri et al., Mashhad, Iran. In Asian Pac J Cancer Prev, 2012
The most important loci which include mutations are; BRCA1, BRCA2, PTEN, ATM, TP53, CHEK2, PPM1D, CDH1, MLH1, MRE11, MSH2, MSH6, MUTYH, NBN, PMS1, PMS2, BRIP1, RAD50, RAD51C, STK11 and BARD1.
A structural basis for the assembly and functions of a viral polymer that inactivates multiple tumor suppressors.
Impact
O'Shea et al., Los Angeles, United States. In Cell, 2012
E4-ORF3 forms a nuclear polymer and simultaneously inactivates p53, PML, TRIM24, and MRE11/RAD50/NBS1 (MRN) tumor suppressors.
Recognition, signaling, and repair of DNA double-strand breaks produced by ionizing radiation in mammalian cells: the molecular choreography.
Review
Thompson, Livermore, United States. In Mutat Res, 2012
ATM, ATR, DNA-PK, Chk1, Chk2, PARP1/2/3, 53BP1, BRCA1, BRCA2, BLM, RAD51, and the MRE11-RAD50-NBS1 complex.
Adenovirus regulates sumoylation of Mre11-Rad50-Nbs1 components through a paralog-specific mechanism.
GeneRIF
Hearing et al., Stony Brook, United States. In J Virol, 2012
Mre11 and Nbs1 are sumoylated during Ad5 infection and the E4-ORF3 protein is necessary and sufficient to induce SUMO conjugation. Relocalization of Mre11 and Nbs1 into E4-ORF3 nuclear tracks is required for this modification to occur.
Site-specific DICER and DROSHA RNA products control the DNA-damage response.
Impact
d'Adda di Fagagna et al., Milano, Italy. In Nature, 2012
Through RNA deep sequencing and the study of DDR activation at a single inducible DNA double-strand break, we demonstrate that DDR foci formation requires site-specific DICER- and DROSHA-dependent small RNAs, named DDRNAs, which act in a MRE11–RAD50–NBS1-complex-dependent manner (MRE11 also known as MRE11A; NBS1 also known as NBN).
Exome capture reveals ZNF423 and CEP164 mutations, linking renal ciliopathies to DNA damage response signaling.
Impact
GeneRIF
Hildebrandt et al., Ann Arbor, United States. In Cell, 2012
Study identifies by whole-exome resequencing, mutations of MRE11, ZNF423, and CEP164 as causing Nephronophthisis-related ciliopathies.
Mre11-dependent degradation of stalled DNA replication forks is prevented by BRCA2 and PARP1.
GeneRIF
Helleday et al., Oxford, United Kingdom. In Cancer Res, 2012
findings not only show that Mre11 activity is required for the survival of BRCA2 mutant cells but also elucidate roles for both the BRCA2 and PARP1 proteins in protecting stalled replication forks
Human Ku70/80 protein blocks exonuclease 1-mediated DNA resection in the presence of human Mre11 or Mre11/Rad50 protein complex.
GeneRIF
Chen et al., Dallas, United States. In J Biol Chem, 2012
Human Ku70/80 protein blocks exonuclease 1-mediated DNA resection in the presence of human Mre11 or Mre11/Rad50 protein complex.
Mre11 regulates CtIP-dependent double-strand break repair by interaction with CDK2.
GeneRIF
Ferguson et al., Ann Arbor, United States. In Nat Struct Mol Biol, 2012
The authors show that, in human and mouse, Mre11 controls these events through a direct interaction with CDK2 that is required for CtIP phosphorylation and BRCA1 interaction in normally dividing cells.
Mechanistic links between ATM and histone methylation codes during DNA repair.
Review
Price et al., Boston, United States. In Prog Mol Biol Transl Sci, 2011
The activation of ATM involves its recruitment to the DSB through interaction with the mre11-rad50-nbs1 complex, followed by the acetylation of ATM by the Tip60 acetyltransferase.
Double-strand break repair-independent role for BRCA2 in blocking stalled replication fork degradation by MRE11.
Impact
GeneRIF
Jasin et al., New York City, United States. In Cell, 2011
BRCA2 prevents chromosomal aberrations on replication stalling, which are alleviated by inhibition of MRE11, the nuclease responsible for this form of fork instability.
[DNA repair and tumour radiosensitivity: focus on ATM gene].
Review
Favaudon et al., Paris, France. In Bull Cancer, 2011
Measure of residual double-strand breaks by immunochemistry of H2AX, but also ATM or MRE11, is another way to evaluate tumour radiosensitivity.
The MRE11 complex: starting from the ends.
Review
Impact
Petrini et al., Barcelona, Spain. In Nat Rev Mol Cell Biol, 2011
The MRE11 complex, composed of the meiotic recombination 11 (MRE11), RAD50 and Nijmegen breakage syndrome 1 (NBS1; also known as nibrin) proteins is central to the DDR, and recent insights into its structure and function have been gained from in vitro structural analysis and studies of animal models in which the DDR response is deficient.
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