Dataset Information

Association of Polymorphic and Haplotype Variants of the MSX1 Gene and the Impacted Teeth Phenomenon.

ABSTRACT: It is known that genetic factors determine odontogenesis; furthermore, studies have revealed that various genes in humans can regulate the development of different types and generations of teeth. In this study it has been assumed that tooth impaction-at least to some extent-also depends on the presence of specific genetic markers, especially allelic variants of the MSX1 gene. The primary objective of the study was to evaluate the suitability of selected molecular markers located within the MSX1 gene for the determination of the risk of tooth impaction in particular patients. The study participants were divided into two groups: (1) the study group-at least one secondary tooth was impacted in the jaws; (2) the control group-no impacted tooth in the jaws. Real-Time PCR and TaqMan probes were used to detect selected polymorphisms in the analyzed genes. Two single nucleotide polymorphisms of MSX1 were analyzed. After the two subgroups of patients were distinguished in the study group based on the number of impacted teeth, statistically significant differences in the frequency of genotypes described for rs12532 in the MSX1 gene were found.

SUBMITTER: Trybek G

PROVIDER: S-EPMC8073557 | biostudies-literature | 2021 Apr

REPOSITORIES: biostudies-literature

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Association of Polymorphic and Haplotype Variants of the <i>MSX1</i> Gene and the Impacted Teeth Phenomenon.

Trybek Grzegorz G Jaroń Aleksandra A Grzywacz Anna A

Genes 20210416 4

It is known that genetic factors determine odontogenesis; furthermore, studies have revealed that various genes in humans can regulate the development of different types and generations of teeth. In this study it has been assumed that tooth impaction-at least to some extent-also depends on the presence of specific genetic markers, especially allelic variants of the <i>MSX1</i> gene. The primary objective of the study was to evaluate the suitability of selected molecular markers located within th ...[more]

PMID: 33923458

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Project description:BackgroundThis study aimed to investigate the genetic association of specific Single Nucleotide Polymorphisms (SNPs) within the muscle segment homeobox gene 1 (MSX1) with susceptibility to the peg-shaped teeth in 36 Jordanian Arab families and case-control samples in the Jordanian Arab population.MethodsThis cohort involved 108 individuals (36 trios families), which were used for family-based genetic study. Additionally, 56 patients and 57 controls were used for case-control study. Genomic DNA samples from both families and case-control were extracted according to distinguished processes. Then, polymerase chain reaction technique (PCR) was conducted using specific primers for the axons of the MSX1. Moreover, DNA sequencing genotyping method analysis of SNPs was used to detect specified SNPs in the MSX1 linked with peg-shaped teeth. Hardy-Weinberg Equilibrium and Chi-square were used to evaluate the data quality and the presence of any genotypic error. In addition, Transmission Disequilibrium Test (TDT) was used identify family-based association in which trios of parents and proband are used.ResultsThe results of this study showed fourteen polymorphic sites in this gene, eight of them (rs121913129, rs104893852, rs104893853, rs121913130, rs104893850, rs1095, rs3775261, and rs1042484) were none-polymorphic. Meanwhile, the minor allele frequencies of the rest of the SNPs were polymorphic (rs8670, rs12532, rs3821949, rs4464513, rs1907998, and rs6446693). However, none of these SNPs were associated with peg-shaped teeth. Moreover, the haplotype genetic analysis revealed that there was no genetic association with peg-shaped teeth disorder susceptibility (P > 0.05) in the Jordanian families of Arab descent.ConclusionsThe present findings can be used in estimation of prevalence of peg-shaped teeth in the Jordanian population. However, our findings revealed that there is no evidence that the MSX1 polymorphisms had a crucial role in the peg-shaped teeth phenomenon, emphasizing that other genes might have this role. These findings are beneficial for clinicians to comprehensively understand the molecular aspects of teeth abnormalities.

Dataset Information

Association of Polymorphic and Haplotype Variants of the MSX1 Gene and the Impacted Teeth Phenomenon.

Publications

Association of Polymorphic and Haplotype Variants of the <i>MSX1</i> Gene and the Impacted Teeth Phenomenon.

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