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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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HOX gene clusters are hotspots of de novo methylation in CpG islands of human lung adenocarcinomas.

CpG island methylation results in the silencing of the associated gene and is an important step in tumorigenesis. Following a comprehensive isolation of CpG islands that were methylated in human lung adenocarcinoma, we found that in cancer cells de novo CpG island methylation generally occurred in a sporadic manner. However, some methylated CpG islands appeared to cluster in discrete chromosomal regions. In this study, we have investigated the methylation status of CpG islands located at such chromosomal loci. We have found that many CpG islands at the HOXA and HOXD loci were methylated in human lung adenocarcinoma. The de novo methylation of these CpG islands was also observed in patient's DNA from noncancerous portions of lung tissue. These results indicate the presence of specific chromosomal regions that are susceptible to de novo methylation.[1]

References

  1. HOX gene clusters are hotspots of de novo methylation in CpG islands of human lung adenocarcinomas. Shiraishi, M., Sekiguchi, A., Oates, A.J., Terry, M.J., Miyamoto, Y. Oncogene (2002) [Pubmed]
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