DNA mismatch repair and the DNA damage response
نویسندگان
چکیده
منابع مشابه
OGG1 DNA Repair Gene Polymorphism As a Biomarker of Oxidative and Genotoxic DNA Damage
Background: Single nucleotide polymorphisms in 8-oxoguanine DNA glycosylase-1 (OGG1) gene modulates DNA repair capacity and functions as one of the first lines of protective mechanisms against 8-hydroxy-2’-deoxyguanosine (8-OHdG) mutagenicity. OGG1-Cys326 gene polymorphism may decrease DNA repair function, causing oxidative stress due to higher oxidative DNA damage. The main purpose of this stu...
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DNA mismatch repair (MMR) is an important replication error avoidance mechanism that prevents mutation. The association of defective MMR with familial and sporadic gastrointestinal and endometrial cancer has been acknowledged for some years. More recently, it has become apparent that MMR defects are common in acute myeloid leukaemia/myelodysplastic syndrome (AML/MDS) that follows successful che...
متن کاملDNA Damage Response and Repair Mechanisms
The brochure accompanies the symposium and features the consortium and its members. Support by the European Community is gratefully acknowledged.
متن کاملDNA mismatch repair.
DNA mismatch repair (MMR) is an evolutionarily conserved process that corrects mismatches generated during DNA replication and escape proofreading. MMR proteins also participate in many other DNA transactions, such that inactivation of MMR can have wide-ranging biological consequences, which can be either beneficial or detrimental. We begin this review by briefly considering the multiple functi...
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Mismatch Repair in Bacteria and Eukaryotes Mismatch repair in the bacterium Escherichia coli is initiated when a homodimer of MutS binds as an asymmetric clamp to DNA containing a variety of base-base and insertion-deletion mismatches. The MutL homodimer then couples MutS recognition to the signal that distinguishes between the template and nascent DNA strands. In E. coli, the lack of adenine m...
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ژورنال
عنوان ژورنال: DNA Repair
سال: 2016
ISSN: 1568-7864
DOI: 10.1016/j.dnarep.2015.11.019