New Inhibitor of PFKFB2 Identified
Author Information
Author(s): Eyster Craig, Matsuzaki Satoshi, Pranay Atul, Giorgione Jennifer R., Faakye Anna, Ahmed Mostafa, Humphries Kenneth M.
Primary Institution: Oklahoma Medical Research Foundation
Hypothesis
Can small molecules modulate PFKFB2 kinase activity?
Conclusion
The study identified a new inhibitor, B2, that effectively inhibits PFKFB2 and PFKFB3, decreasing cellular glycolysis.
Supporting Evidence
- B2 inhibits PFKFB2 with an IC50 of 3.29 μM.
- B2 also inhibits PFKFB3 with an IC50 of 11.89 μM.
- Seahorse analysis showed B2 decreased glycolysis in A-498 cells.
- Targeted LC/MS analysis revealed B2 decreased fructose-1,6-bisphosphate levels.
Takeaway
Scientists found a new molecule that stops a protein involved in sugar processing in cells, which could help in treating diseases like cancer.
Methodology
Recombinant PFKFB2 was expressed and screened against a library of small molecules using an enzymatic assay to identify inhibitors.
Limitations
The study's assay may be affected by the coupled enzyme activities, potentially confounding results.
Statistical Information
P-Value
p<0.05
Digital Object Identifier (DOI)
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