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  • Title: Lack of association between lactotransferrin polymorphism and dental caries.
    Author: Volckova M, Linhartova PB, Trefna T, Vlazny J, Musilova K, Kukletova M, Kukla L, Holla LI.
    Journal: Caries Res; 2014; 48(1):39-44. PubMed ID: 24217007.
    Abstract:
    OBJECTIVE: Dental caries is a complex, multifactorial disease and one of the most common illnesses worldwide. Its etiology is related to microbial, dietary and host factors. Recent evidence suggests a role of lactotransferrin (LTF) in caries. The purpose of this study was to determine the association between LTF gene polymorphism and dental caries. METHODS: In this case-control study, 637 unrelated children, aged 11-13 years, were enrolled. The subjects were divided into two groups, i.e. caries-free (decayed/missing/filled teeth = 0) and caries-affected children (decayed/missing/filled teeth ≥ 1). The LTF rs1126478 (140A/G in exon 2, Lys/Arg) genotypes were determined by PCR with restriction analysis using the EarI enzyme. RESULTS: Of 637 children, 155 (24.3%) were caries free. There were no statistically significant differences between caries levels and allele or genotype distributions in the total cohort. When the caries-affected group (n = 482) was stratified into low (decayed/missing/filled teeth = 1), moderate (2 ≤ decayed/missing/filled teeth ≤ 3) and high (decayed/missing/filled teeth ≥ 4) caries experience, allele and genotype frequencies were similar among all subgroups. CONCLUSIONS: The LTF 140A/G (exon 2, Lys/Arg) polymorphism was not associated with the susceptibility to or severity of dental caries in the Czech population.
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