Metabolomic Profiling Reveals a Role for Androgen in Activating Amino Acid Metabolism and Methylation in Prostate Cancer Cells
2011

Androgen's Role in Prostate Cancer Metabolism

Sample size: 6 publication 10 minutes Evidence: high

Author Information

Author(s): Putluri Nagireddy, Shojaie Ali, Vasu Vihas T., Nalluri Srilatha, Vareed Shaiju K., Putluri Vasanta, Vivekanandan-Giri Anuradha, Byun Jeman, Pennathur Subramaniam, Sana Theodore R., Fischer Steven M., Palapattu Ganesh S., Creighton Chad J., Michailidis George, Sreekumar Arun

Primary Institution: Medical College of Georgia, Augusta, Georgia, United States of America

Hypothesis

Androgen exposure alters amino acid metabolism and methylation in prostate cancer cells.

Conclusion

Androgen treatment increases amino acid metabolism and alters methylation potential in prostate cancer cells.

Supporting Evidence

  • 674 compounds were differentially expressed between benign and prostate cancer cell lines.
  • Elevated levels of amino acids like sarcosine and threonine were found in prostate cancer cells.
  • Metabolomic profiling revealed 1553 compounds across prostate cell lines.
  • Enrichment analysis showed significant alterations in amino acid metabolism due to androgen treatment.
  • Metabolic phenotyping confirmed increased amino acid metabolism in androgen-treated prostate cancer cells.

Takeaway

This study shows that when prostate cancer cells are exposed to androgen, they use more amino acids and change how they process certain chemicals in their bodies.

Methodology

Mass spectrometry-based metabolomic profiling was used to analyze prostate cancer cell lines treated with androgen.

Potential Biases

Potential bias in metabolomic profiling due to sample handling and processing.

Limitations

The study primarily focuses on cell lines, which may not fully represent in vivo conditions.

Participant Demographics

Prostate cancer cell lines, including both androgen-responsive and non-responsive types.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0021417

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