Cited by 38DNA Repair MechanismsGenomics and Chromatin DynamicsCancer-related Molecular Pathways

Function of TopBP1 in Genome Stability

Sokka, Miiko, Parkkinen, Sinikka, Pospiech, Helmut, Syväoja, Juhani E.·2010·Subcellular Biochemistry

Abstract

Human DNA topoisomerase IIbeta-binding protein 1 (TopBP1) and its orthologues in other organisms are proteins consisting of multiple BRCT modules that have acquired several functions during evolution. These proteins execute their tasks by interacting with a great variety of proteins involved in nuclear processes. TopBP1 is an essential protein that has numerous roles in the maintenance of the genomic integrity. In particular, it is required for the activation of ATM and Rad3-related (ATR), a vital regulator of DNA replication and replication stress response. The orthologues from yeast to human are involved in DNA replication and DNA damage response, while only proteins from higher eukaryotes are also involved in complex regulation of transcription, which is related to cell proliferation, damage response and apoptosis. We review here the recent progress in research aimed at elucidating the multiple cellular functions of TopBP1, focusing on metazoan systems.

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Crossref · 10.1007/978-90-481-3471-7_7

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Authors
Sokka, M., Parkkinen, S., Pospiech, H., & Syväoja, J. E.
Affiliations
University of Eastern Finland (FI)
Venue
Subcellular Biochemistry
Published
2009-12-04
Volume
50
Pages
119-141
ISSN
0306-0225 (ISSN-L)
OpenAlex
W50077555
Cited by
38
References
97
Citations by year
2026: 3 · 2025: 1 · 2023: 1 · 2022: 3 · 2021: 3 · 2020: 3 · 2019: 3 · 2016: 2 · 2015: 5 · 2014: 3 · 2013: 4 · 2012: 4
FWCI
2.75
Type
book chapter
Language
en
Open access
closed
Locations
  • Sub-cellular biochemistry/Subcellular biochemistry (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
Keywords
TopBP1, genome stability, BRCT domain, ATM, ATR, DNA replication, replication stress response, DNA damage response, transcriptional regulation, cell proliferation, apoptosis, animal evolution
MeSH terms
Adenosine Diphosphate Ribose, Carrier Proteins, DNA Damage, DNA Replication, DNA-Binding Proteins, Gene Expression Regulation, Humans, Meiosis, Mitosis, Nuclear Proteins, Transcription, Genetic, Ultraviolet Rays, Signal Transduction, Genomic Instability

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