Using Radiolabelled Choline to Measure Drug Effects
Author Information
Author(s): D Liu, O C Hutchinson, S Osman, P Price, P Workman, E O Aboagye
Primary Institution: Cancer Research UK
Hypothesis
Changes in choline kinetics could be used to assess geldanamycin pharmacodynamics.
Conclusion
Radiolabelled choline may serve as a useful pharmacodynamic marker for evaluating geldanamycin analogues.
Supporting Evidence
- Geldanamycin inhibited ERK1/2 phosphorylation in a concentration- and time-dependent manner.
- Choline uptake decreased significantly after treatment with geldanamycin.
- Phosphocholine production was also inhibited by geldanamycin treatment.
Takeaway
This study shows that a special type of choline can help doctors see how well a cancer drug is working without needing to do surgery.
Methodology
The study involved treating HT29 human colon carcinoma cells with geldanamycin and measuring changes in choline uptake and phosphocholine production.
Limitations
The study primarily focused on one cell line and may not be generalizable to all cancer types.
Participant Demographics
HT29 human colon carcinoma cells were used in the study.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website