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2015 ; 10
(5
): 485
Nephropedia Template TP
gab.com Text
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English Wikipedia
Polymorphisms in sweet taste genes (TAS1R2 and GLUT2), sweet liking, and dental
caries prevalence in an adult Italian population
#MMPMID26268603
Robino A
; Bevilacqua L
; Pirastu N
; Situlin R
; Di Lenarda R
; Gasparini P
; Navarra CO
Genes Nutr
2015[Sep]; 10
(5
): 485
PMID26268603
show ga
The aim of the study was to assess the relationship between sweet taste genes and
dental caries prevalence in a large sample of adults. In addition, the
association between sweet liking and sugar intake with dental caries was
investigated. Caries was measured by the decayed, missing, filled teeth (DMFT)
index in 647 Caucasian subjects (285 males and 362 females, aged 18-65 years),
coming from six villages in northeastern Italy. Sweet liking was assessed using a
9-point scale, and the mean of the liking given by each individual to specific
sweet food and beverages was used to create a sweet liking score. Simple sugar
consumption was estimated by a dietary history interview, considering both added
sugars and sugar present naturally in foods. Our study confirmed that
polymorphisms in TAS1R2 and GLUT2 genes are related to DMFT index. In particular,
GG homozygous individuals for rs3935570 in TAS1R2 gene (p value = 0.0117) and GG
homozygous individuals for rs1499821 in GLUT2 gene (p value = 0.0273) showed
higher DMFT levels compared to both heterozygous and homozygous for the
alternative allele. Furthermore, while the relationship sugar intake-DMFT did not
achieve statistical significance (p value = 0.075), a significant association was
identified between sweet liking and DMFT (p value = 0.004), independent of other
variables. Our study showed that sweet taste genetic factors contribute to caries
prevalence and highlighted the role of sweet liking as a predictor of caries
risk. Therefore, these results may open new perspectives for individual risk
identification and implementation of target preventive strategies, such as
identifying high-risk patients before caries development.