منابع مشابه
Predicting aberrant CpG island methylation.
Epigenetic silencing associated with aberrant methylation of promoter region CpG islands is one mechanism leading to loss of tumor suppressor function in human cancer. Profiling of CpG island methylation indicates that some genes are more frequently methylated than others, and that each tumor type is associated with a unique set of methylated genes. However, little is known about why certain ge...
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متن کاملValidation in genomics: CpG island methylation revisited.
In a recent article in PLoS Genetics, Bock et al., (2006) undertake an extensive computational epigenetics analysis of the ability of DNA sequence-derived features, capturing attributes such as tetramer frequencies, repeats and predicted structure, to predict the methylation status of CpG islands. Their suite of analyses appears highly rigorous with regard to accompanying validation procedures,...
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Aberrant methylation of CpG islands (CpG-rich regions of DNA associated with the promoters of many genes) is associated with transcriptional inactivation of genes involved in tumour development. Genes involved in key DNA damage response pathways, such as cell-cycle control, apoptosis signalling and DNA repair can frequently become epigenetically silenced and methylated in tumours. This may lead...
متن کاملOccurrence of HHIP gene CpG island methylation in gastric cancer
The present study aimed to observe the methylation status of the CpG islands at the human hedgehog interacting protein (HHIP) gene in gastric cancer tissues, peritumoral tissues and the AGS cell line, to analyze the association between the methylation status of the CpG islands and the tumorigenesis of gastric cancer. The HHIP mRNA expression in 60 human gastric carcinnoma tissues, peritumoral t...
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ژورنال
عنوان ژورنال: Breast Cancer Research
سال: 2000
ISSN: 1465-542X
DOI: 10.1186/bcr-2000-66675