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PCNA on the crossroad of cancer.
Stockholm University, Faculty of Science, Department of Genetics, Microbiology and Toxicology.
Stockholm University, Faculty of Science, Department of Genetics, Microbiology and Toxicology.
2009 (English)In: Biochemical Society transactions, ISSN 1470-8752, Vol. 37, no Pt 3, 605-13 p.Article in journal (Refereed) Published
Abstract [en]

Cancer is caused by genetic changes that often arise following failure to accurately replicate the DNA. PCNA (proliferating-cell nuclear antigen) forms a ring around the DNA to facilitate and control DNA replication. Emerging evidence suggests that PCNA is at the very heart of many essential cellular processes, such as DNA replication, repair of DNA damage, chromatin structure maintenance, chromosome segregation and cell-cycle progression. Progression of the DNA replication forks can be blocked by DNA lesions, formed either by endogenous damage or by exogenous agents, for instance anticancer drugs. Cellular response often results in change of PCNA function triggered either by specific post-translational modification of PCNA (i.e. ubiquitylation) or by exchange of its interaction partners. This puts PCNA in a central position in determining the fate of the replication fork. In the present article, we review PCNA modifications and interaction partners, and how those influence the course of events at replication forks, which ultimately determines both tumour progression as well as the outcome of anticancer treatment.

Place, publisher, year, edition, pages
2009. Vol. 37, no Pt 3, 605-13 p.
Identifiers
URN: urn:nbn:se:su:diva-32009DOI: 10.1042/BST0370605ISI: 000266752300017PubMedID: 19442257OAI: oai:DiVA.org:su-32009DiVA: diva2:279208
Available from: 2009-12-02 Created: 2009-12-02 Last updated: 2009-12-02Bibliographically approved

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