Journal
TRENDS IN ENDOCRINOLOGY AND METABOLISM
Volume 32, Issue 2, Pages 95-105Publisher
CELL PRESS
DOI: 10.1016/j.tem.2020.11.011
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Funding
- NIH [R00 DK-97141, 1DP2DK-113750]
- NARSAD Young Investigator Award
- Klingenstein-Simons Fellowship in the Neurosciences
- Sloan Fellowship
- Rita Allen Foundation
- [T32-GM008322]
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Although genetics plays a role in shaping taste preferences, taste sensation can change with age, disease, and nutrition. Recent evidence has shown that high-nutrient diets, particularly high sugar diets, can affect sweet taste in vinegar flies, rodents, and humans, but there are still many unanswered questions about the molecular and neural mechanisms involved. Understanding how diet-dependent chemosensory plasticity influences food intake can help in addressing obesity and metabolic disease.
Although genetics shapes our sense of taste to prefer some foods over others, taste sensation is plastic and changes with age, disease state, and nutrition. We have known for decades that diet composition can influence the way we perceive foods, but many questions remain unanswered, particularly regarding the effects of chemosensory plasticity on feeding behavior. Here, we review recent evidence on the effects of high-nutrient diets, especially high dietary sugar, on sweet taste in vinegar flies, rodents, and humans, and discuss open questions about molecular and neural mechanisms and research priorities. We also consider ways in which diet-dependent chemosensory plasticity may influence food intake and play a role in the etiology of obesity and metabolic disease. Understanding the interplay between nutrition, taste sensation, and feeding will help us define the role of the food environment in mediating chronic disease and design better public health strategies to combat it.
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