DNA mismatch repair in trinucleotide repeat instability

Jinzhen Guo, Luping Chen, Guo Min Li

Research output: Contribution to journalReview article

1 Citation (Scopus)

Abstract

Trinucleotide repeat expansions cause over 30 severe neuromuscular and neurodegenerative disorders, including Huntington’s disease, myotonic dystrophy type 1, and fragile X syndrome. Although previous studies have substantially advanced the understanding of the disease biology, many key features remain unknown. DNA mismatch repair (MMR) plays a critical role in genome maintenance by removing DNA mismatches generated during DNA replication. However, MMR components, particularly mismatch recognition protein MutSβ and its interacting factors MutLα and MutLγ, have been implicated in trinucleotide repeat instability. In this review, we will discuss the roles of these key MMR proteins in promoting trinucleotide repeat instability.

Original languageEnglish (US)
Pages (from-to)1087-1092
Number of pages6
JournalScience China Life Sciences
Volume60
Issue number10
DOIs
StatePublished - Oct 1 2017

Fingerprint

Trinucleotide Repeats
DNA Mismatch Repair
repair
Repair
microsatellite repeats
DNA
Trinucleotide Repeat Expansion
neuromuscular disorders
Fragile X Syndrome
Myotonic Dystrophy
protein
Huntington Disease
neurodegenerative diseases
DNA replication
DNA Replication
Neurodegenerative Diseases
Proteins
proteins
genome
Genes

Keywords

  • DNA mismatch repair
  • MutSβ
  • neurodegenerative diseases
  • trinucleotide repeat instability

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Environmental Science(all)
  • Agricultural and Biological Sciences(all)

Cite this

DNA mismatch repair in trinucleotide repeat instability. / Guo, Jinzhen; Chen, Luping; Li, Guo Min.

In: Science China Life Sciences, Vol. 60, No. 10, 01.10.2017, p. 1087-1092.

Research output: Contribution to journalReview article

Guo, Jinzhen ; Chen, Luping ; Li, Guo Min. / DNA mismatch repair in trinucleotide repeat instability. In: Science China Life Sciences. 2017 ; Vol. 60, No. 10. pp. 1087-1092.
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