Iris Schrijver

Publication Details

  • Hereditary diffuse gastric cancer due to a previously undescribed CDH1 splice site mutation HUMAN PATHOLOGY Matsukuma, K. E., Mullins, F. M., Dietz, L., Zehnder, J. L., Ford, J. M., Chun, N. M., Schrijver, I. 2010; 41 (8): 1200-1203

    Abstract:

    Our patient was a 52-year-old man who was diagnosed with signet ring cell gastric adenocarcinoma. An extensive family history of gastric cancer raised suspicion for hereditary diffuse gastric cancer. Sequencing of the patient's CDH1 gene revealed a novel point mutation in a strictly conserved splice site within intron 6, c.833-2 A > G. This mutation was predicted to result in loss of function due to defective RNA splicing. To characterize the pathogenic mechanism of this mutation, we amplified the patient's CDH1 gene products by reverse transcriptase polymerase chain reaction. Primers flanking the region of the mutation detected 3 distinct transcripts. In addition to the wild-type product, a larger product consistent with activation of a cryptic splice site within intron 6 and a smaller product shown to result from exon 7 skipping were detected. In summary, we have identified a novel CDH1 mutation in a large hereditary diffuse gastric cancer kindred and identified its pathogenic mechanism.

    View details for DOI 10.1016/j.humpath.2010.01.022

    View details for Web of Science ID 000280128300019

    View details for PubMedID 20624523

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