Post-treatment circulating plasma BMP6 mRNA and H3K27 methylation levels discriminate metastatic prostate cancer from localized disease

Ugur Deligezer, Fulya Yaman, Emin Darendeliler, Yavuz Dizdar, Stefan Holdenrieder, Müge Kovancilar, Nejat Dalay

Research output: Contribution to journalArticlepeer-review

47 Scopus citations

Abstract

Background: We evaluated the utility of post-treatment plasma levels of the circulating bone-morphogenetic protein-6-specific mRNA (cBMP6 mRNA), cell-free DNA (cf-DNA), apoptotic nucleosomes and Histone H3 lysine 27 trimethylation (H3K27me3), in discriminating metastatic prostate cancer (PCa) from organ confined, locally controlled disease. Methods: Peripheral blood was taken from the patients at the end of therapy, and quantitative PCR was performed to amplify cBMP6 mRNA or cf-DNA from plasma while apoptotic nucleosomes and H3K27me3 were determined by ELISA-based approaches. Following blinded measurements, the markers were compared between the patients with local (n=22), local advanced (n=11) or metastatic disease (n=28). Results: Of the four markers investigated, the cBMP6 mRNA and H3K27me3 levels revealed significant differences between the three subgroups. We found higher levels of cBMP6 mRNA in the patients with metastases than in those with localized (p=0.001) or local advanced disease (p=0.05). When compared to cBMP6, H3K27me3 displayed an inverse distribution and was significantly lower in the patients with metastatic disease than in those with localized (p=0.05) or local advanced disease (p=0.024). There was no correlation between the different markers and total PSA levels or Gleason score at diagnosis. Conclusion: Our study provides evidence that post-treatment analysis of cBMP6 mRNA and H3K27me3 may be used to distinguish metastatic PCa from organ confined, locally controlled disease.

Original languageEnglish
Pages (from-to)1452-1456
Number of pages5
JournalClinica Chimica Acta
Volume411
Issue number19-20
DOIs
StatePublished - Oct 2010
Externally publishedYes

Keywords

  • Circulating BMP6 mRNA
  • Free nucleosomes
  • H3K27 methylation
  • Metastatic disease
  • Plasma circulating DNA
  • Prostate cancer

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