Bitter Taste Receptors and Glucose Regulation
Author Information
Author(s): Dotson Cedrick D., Zhang Lan, Xu Hong, Shin Yu-Kyong, Vigues Stephan, Ott Sandra H., Elson Amanda E. T., Choi Hyun Jin, Shaw Hillary, Egan Josephine M., Mitchell Braxton D., Li Xiaodong, Steinle Nanette I., Munger Steven D.
Primary Institution: University of Maryland School of Medicine
Hypothesis
Differences in taste receptor efficacy may impact glucose homeostasis.
Conclusion
A TAS2R haplotype is associated with altered glucose and insulin homeostasis.
Supporting Evidence
- A TAS2R haplotype was significantly associated with type 2 diabetes mellitus.
- One SNP within this haplotype disrupts normal receptor responses.
- Minor alleles of specific SNPs were linked to higher insulin responses.
- Functional assays showed a loss of receptor activity due to genetic variants.
Takeaway
Some taste receptors in our body help control how sugar is processed, and changes in these receptors can affect blood sugar levels.
Methodology
A candidate gene study was conducted within the Amish Family Diabetes Study to assess the association of taste receptor variants with glucose dysregulation indicators.
Potential Biases
Potential bias due to the homogeneous genetic background of the Amish population.
Limitations
The study is based on a specific population (Amish), which may limit generalizability.
Participant Demographics
Participants were from the Amish community, including individuals with type 2 diabetes and their relatives.
Statistical Information
P-Value
0.0007
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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