Title |
The loss of NKX3.1 expression in testicular – and prostate – cancers is not caused by promoter hypermethylation
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Published in |
Molecular Cancer, February 2005
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DOI | 10.1186/1476-4598-4-8 |
Pubmed ID | |
Authors |
Guro E Lind, Rolf I Skotheim, Mario F Fraga, Vera M Abeler, Rui Henrique, Fahri Saatcioglu, Manel Esteller, Manuel R Teixeira, Ragnhild A Lothe |
Abstract |
Recent studies have demonstrated that the NKX3.1 protein is commonly down-regulated in testicular germ cell tumors (TGCTs) and prostate carcinomas. The homeobox gene NKX3.1 maps to chromosome band 8p21, which is a region frequently lost in prostate cancer, but not in TGCT. Mutations have not been reported in the NKX3.1 sequence, and the gene is hypothesized to be epigenetically inactivated. In the present study we examined the methylation status of the NKX3.1 promoter in relevant primary tumors and cell lines: primary TGCTs (n = 55), intratubular germ cell neoplasias (n = 7), germ cell tumor cell lines (n = 3), primary prostate adenocarcinomas (n = 20), and prostate cancer cell lines (n = 3) by methylation-specific PCR and bisulphite sequencing. |
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Demographic breakdown
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