scholarly journals Single Nucleotide Polymorphisms in Taste Receptor Genes Are Associated with Snacking Patterns of Preschool-Aged Children in the Guelph Family Health Study: A Pilot Study

Nutrients ◽  
2018 ◽  
Vol 10 (2) ◽  
pp. 153 ◽  
Author(s):  
Elie Chamoun ◽  
Joy Hutchinson ◽  
Owen Krystia ◽  
Julia Mirotta ◽  
David Mutch ◽  
...  
Keyword(s):  
Pilot Study ◽  
Single Nucleotide Polymorphisms ◽  
Taste Receptor ◽  
Family Health ◽  
Health Study ◽  
Nucleotide Polymorphisms ◽  
Single Nucleotide ◽  
Preschool Aged Children

scholarly journals The Relationship between Single Nucleotide Polymorphisms in Taste Receptor Genes, Taste Function and Dietary Intake in Preschool-Aged Children and Adults in the Guelph Family Health Study

Nutrients ◽  
2018 ◽  
Vol 10 (8) ◽  
pp. 990 ◽  
Author(s):  
Elie Chamoun ◽  
Nicholas Carroll ◽  
Lisa Duizer ◽  
Wenjuan Qi ◽  
Zeny Feng ◽  
...  
Keyword(s):  
Single Nucleotide Polymorphisms ◽  
Receptor Gene ◽  
Taste Receptor ◽  
Family Health ◽  
Sweet Taste ◽  
Taste Perception ◽  
Health Study ◽  
Nucleotide Polymorphisms ◽  
Single Nucleotide ◽  
Salt Taste

Taste is a fundamental determinant of food selection, and inter-individual variations in taste perception may be important risk factors for poor eating habits and obesity. Characterizing differences in taste perception and their influences on dietary intake may lead to an improved understanding of obesity risk and a potential to develop personalized nutrition recommendations. This study explored associations between 93 single nucleotide polymorphisms (SNPs) in sweet, fat, bitter, salt, sour, and umami taste receptors and psychophysical measures of taste. Forty-four families from the Guelph Family Health Study participated, including 60 children and 65 adults. Saliva was collected for genetic analysis and parents completed a three-day food record for their children. Parents underwent a test for suprathreshold sensitivity (ST) and taste preference (PR) for sweet, fat, salt, umami, and sour as well as a phenylthiocarbamide (PTC) taste status test. Children underwent PR tests and a PTC taste status test. Analysis of SNPs and psychophysical measures of taste yielded 23 significant associations in parents and 11 in children. After adjusting for multiple hypothesis testing, the rs713598 in the TAS2R38 bitter taste receptor gene and rs236514 in the KCNJ2 sour taste-associated gene remained significantly associated with PTC ST and sour PR in parents, respectively. In children, rs173135 in KCNJ2 and rs4790522 in the TRPV1 salt taste-associated gene remained significantly associated with sour and salt taste PRs, respectively. A multiple trait analysis of PR and nutrient composition of diet in the children revealed that rs9701796 in the TAS1R2 sweet taste receptor gene was associated with both sweet PR and percent energy from added sugar in the diet. These findings provide evidence that for bitter, sour, salt, and sweet taste, certain genetic variants are associated with taste function and may be implicated in eating patterns. (Support was provided by the Ontario Ministry of Agriculture, Food, and Rural Affairs).

Intron-specific Single Nucleotide Polymorphisms of Fat Mass and Obesity- Associated Gene in Obese and Overweight Individuals of the Indian Adult Population- A Pilot Study

2019 ◽  
Vol 16 (1) ◽  
pp. 84-94
Author(s):  
Aakash Reddy ◽  
Katari Venkatesh ◽  
Sayani Sahu ◽  
Pallavi Sinha Roy ◽  
Konkona Datta ◽  
...  
Keyword(s):  
Pilot Study ◽  
Single Nucleotide Polymorphisms ◽  
Fat Mass ◽  
Indian Population ◽  
Detection System ◽  
Adult Population ◽  
Genotypic Frequency ◽  
Nucleotide Polymorphisms ◽  
Single Nucleotide ◽  
Increased Risk

Background: The Fat mass and obesity-associated gene (FTO) and its involvement in weight gain and obesity is well-known. However, no reports have been published on the Indian population regarding the relationship between single nucleotide polymorphisms (SNPs) in its intronic region and obesity. The aim of this pilot study was to evaluate the frequency and association of SNPs in intron-1 of the FTO gene in obese and overweight Indian adults. Methods: This study group consisted of 80 adults, aged 23.5 ± 8.9 yr, with a mean BMI of 28.8 ± 6.2 kg/m2. Genomic DNA was isolated, exons1-3 & intron1 of FTO were amplified using polymerase chain reaction and sequenced by ABI sequencing detection system. The reported SNPs rs1420185, rs8050136, rs1121980 and rs55872725 were checked for their presence or absence in this group of the adult Indian population. Results: No mutations were found in the exonic sequence of FTO, however, the association of rs1420185, rs8050136, rs1121980 and rs55872725 SNPs was identified in this population. The genotypic frequency at FTO rs8050136 was 32.2% for C>A, at rs55872725 it was 45.7% for C>T, at rs1420185 it was 27.1% for T>C and at rs1121980 it was 30.5% for G>A. All four SNPs in combination were observed in 6 participants (10.2%), all of whom were found to be either obese or overweight. Conclusion: These findings indicate that Indians with these SNPs are most likely to be at increased risk of obesity.

Identification of Coding Single-Nucleotide Polymorphisms in Human Taste Receptor Genes Involving Bitter Tasting

2001 ◽  
Vol 285 (1) ◽  
pp. 147-151 ◽  
Author(s):  
Takashi Ueda ◽  
Shinya Ugawa ◽  
Yusuke Ishida ◽  
Yasuhiro Shibata ◽  
Shingo Murakami ◽  
...  
Keyword(s):  
Single Nucleotide Polymorphisms ◽  
Taste Receptor ◽  
Nucleotide Polymorphisms ◽  
Single Nucleotide
Sign in / Sign up

Export Citation Format

Share Document