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Int. J. Mol. Sci. 2012, 13(9), 11974-11999; doi:10.3390/ijms130911974
Review

Common Fragile Sites: Genomic Hotspots of DNA Damage and Carcinogenesis

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Received: 17 July 2012; in revised form: 9 August 2012 / Accepted: 5 September 2012 / Published: 20 September 2012
(This article belongs to the Special Issue DNA Damage and Repair in Degenerative Diseases)
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Abstract: Genomic instability, a hallmark of cancer, occurs preferentially at specific genomic regions known as common fragile sites (CFSs). CFSs are evolutionarily conserved and late replicating regions with AT-rich sequences, and CFS instability is correlated with cancer. In the last decade, much progress has been made toward understanding the mechanisms of chromosomal instability at CFSs. However, despite tremendous efforts, identifying a cancer-associated CFS gene (CACG) remains a challenge and little is known about the function of CACGs at most CFS loci. Recent studies of FATS (for Fragile-site Associated Tumor Suppressor), a new CACG at FRA10F, reveal an active role of this CACG in regulating DNA damage checkpoints and suppressing tumorigenesis. The identification of FATS may inspire more discoveries of other uncharacterized CACGs. Further elucidation of the biological functions and clinical significance of CACGs may be exploited for cancer biomarkers and therapeutic benefits.
Keywords: replication; instability; CFS; cancer; FATS; checkpoint replication; instability; CFS; cancer; FATS; checkpoint
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Ma, K.; Qiu, L.; Mrasek, K.; Zhang, J.; Liehr, T.; Quintana, L.G.; Li, Z. Common Fragile Sites: Genomic Hotspots of DNA Damage and Carcinogenesis. Int. J. Mol. Sci. 2012, 13, 11974-11999.

AMA Style

Ma K, Qiu L, Mrasek K, Zhang J, Liehr T, Quintana LG, Li Z. Common Fragile Sites: Genomic Hotspots of DNA Damage and Carcinogenesis. International Journal of Molecular Sciences. 2012; 13(9):11974-11999.

Chicago/Turabian Style

Ma, Ke; Qiu, Li; Mrasek, Kristin; Zhang, Jun; Liehr, Thomas; Quintana, Luciana Gonçalves; Li, Zheng. 2012. "Common Fragile Sites: Genomic Hotspots of DNA Damage and Carcinogenesis." Int. J. Mol. Sci. 13, no. 9: 11974-11999.



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