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HOME > J Pathol Transl Med > Volume 31(7); 1997 > Article
Original Article Detection of the c-m c Oncogene Amplification in Ovarian Carcinomas by Differential Polymerase Chain Reaction.
Geun Shin Lyu, Chan Kum Park, Chun Geun Lee, Youl Hee Cho, Youn Yeoung Hwang, Jung Dal Lee
Journal of Pathology and Translational Medicine 1997;31(7):644-654
DOI: https://doi.org/
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1Department of Pathology, College of Medicine, Hanyang University, Seoul 133-791, Korea.
2Department of Genetics, College of Medicine, Hanyang University, Seoul 133-791, Korea.
3Department of Obstetrics, College of Medicine, Hanyang University, Seoul 133-791, Korea.

The amplification of c-myc oncogene was evaluated in 42 cases of ovarian carcinomas to correlate with clinical parameters. Using oligonucleotide primers, sequences from the c-myc exon-3 gene and from a control gene, tissue plasminogen activator (tPA), were amplified simultaneously by polymerase chain reaction (PCR). After the products of differential PCR (d-PCR) were electrophoresed, slot blot hybridization was performed, and hybridized with P32 dATP-labeled myc and tPA oligonucleotide probes and then autoradiographed. The signal intensities of the two products were quantitated by densitometry and the ratios of two products (c-myc/tPA) were measured. The ovarian carcinomas showed significantly increased amplification of c-myc oncogene Oligonucleoti compared to normal control group (p<0.05). 15 of 42 cases (35.7%) showed various degrees of the MYC gene amplification up to 27 folds in various histologic types of ovarian carcinomas. No significant differences of the MYC gene amplification according to histologic subtypes, tumor action) grades and clinical stages of ovarian carcinomas were present.

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