Probenecid Inhibits Bitter Taste Receptor TAS2R16 and Reduces Bitter Perception of Salicin
Author Information
Author(s): Tiffani A. Greene, Suzanne Alarcon, Anu Thomas, Eli Berdougo, Benjamin J. Doranz, Paul A. S. Breslin, Joseph B. Rucker
Primary Institution: Integral Molecular, Inc.
Hypothesis
Can probenecid inhibit the activation of bitter taste receptors and affect human perception of bitterness?
Conclusion
Probenecid effectively inhibits the bitter taste receptor TAS2R16 and reduces the perception of bitterness from salicin in humans.
Supporting Evidence
- Probenecid was shown to inhibit the cellular response mediated by the bitter taste receptor hTAS2R16.
- Human perceptual studies demonstrated that probenecid significantly reduced the bitterness of salicin.
- Probenecid's inhibitory effect was rapid and did not involve the MRP1 transporter.
- Point mutations in hTAS2R16 were identified that conferred resistance to probenecid inhibition.
Takeaway
Probenecid is a medicine that can make bitter foods taste less bitter by blocking certain taste receptors in our mouth.
Methodology
The study used calcium flux assays in HEK-293T cells to measure receptor activation and human perceptual tests to assess bitterness perception.
Potential Biases
Potential bias due to the small sample size and the specific population tested.
Limitations
The study primarily focused on a limited number of bitter taste receptors and may not generalize to all bitter compounds.
Participant Demographics
15 human subjects participated in the taste perception study.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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