How Androgens Affect Na+,K+-ATPase in Prostate Cancer
Author Information
Author(s): Blok L J, Chang G T G, Steenbeek-Slotboom M, Weerden W M van, Swarts H G P, Pont J J H H M De, Steenbrugge G J van, Brinkmann A O
Primary Institution: Erasmus University Rotterdam
Hypothesis
The expression of Na+,K+-ATPase is regulated differently in androgen-dependent and androgen-independent prostate cancer.
Conclusion
Androgen-independent prostate cancer cells show higher levels of Na+,K+-ATPase compared to androgen-dependent cells, affecting their sensitivity to cisplatin treatment.
Supporting Evidence
- The β1-subunit of Na+,K+-ATPase is down-regulated by androgens in prostate cancer cells.
- Androgen-independent prostate cancer cells express higher levels of Na+,K+-ATPase than androgen-dependent cells.
- Na+,K+-ATPase activity affects the sensitivity of prostate cancer cells to cisplatin treatment.
Takeaway
This study found that prostate cancer cells that don't need androgens have more of a certain protein, which makes them less sensitive to a cancer drug.
Methodology
The study involved isolating the β1-subunit of Na+,K+-ATPase and measuring its expression in different prostate cancer cell lines.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website