| 摘要 |
The present invention provides methods and kits for identifying an increased risk of developing cancer in a subject. The methods include analyzing a first biological sample, such as a blood sample, from the subject for loss of imprinting of the IGF2 gene. According to the methods a loss of imprinting is indicative of an increased risk of developing cancer. The method can include analyzing genomic DNA from the sample for altered methylation of the IGF2 gene. The altered methylation for example includes hypomethylation of a differentially methylated region of IGF2, corresponding to SEQ ID NO:1 or a polymorphism thereof. The method can be performed on a subject having no apparent or suspected hyperproliferative disorder such as cancer.
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