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Lactoferrin gene polymorphisms in Italian patients with recurrent tonsillitis
Luisa Zupin1, Francesco Angelelli2, Domenico Leonardo Grasso3
1Department of Medicine, Surgery and Health Sciences, University of Trieste, Trieste, Italy.
International Journal of Pediatric Otorhinolaryngology
|August 7, 2016
Summary
Genetic variations in lactoferrin (LTF) may not influence recurrent tonsillitis risk in Italian children. This study found no significant differences in LTF gene polymorphisms between affected and healthy individuals, suggesting other factors are involved.
Area of Science:
- Immunology
- Genetics
- Oral Pathology
Background:
- Recurrent tonsillitis is an oral inflammatory condition influenced by host and environmental factors.
- The innate immune response, particularly lactoferrin (LTF) with its antimicrobial properties, is investigated for its role in oral pathologies like periodontitis and dental caries.
- Lactoferrin's involvement in oral immunity suggests a potential link to tonsillitis susceptibility.
Purpose of the Study:
- To investigate the association between specific lactoferrin (LTF) gene polymorphisms and susceptibility to recurrent tonsillitis in an Italian pediatric population.
- To determine if LTF Thr29Ala and Arg47Lys polymorphisms are risk factors for recurrent tonsillitis.
Main Methods:
- Genotyping of 89 Italian children with recurrent tonsillitis and 95 healthy controls.
- Analysis of two non-synonymous LTF polymorphisms: Thr29Ala and Arg47Lys.
- Comparison of allele, genotype, and haplotype frequencies between patient and control groups.
Main Results:
- No significant differences were observed in the allele, genotype, or haplotype frequency distributions of the studied LTF polymorphisms between children with recurrent tonsillitis and healthy controls.
- The investigated LTF variants did not show a statistically significant association with recurrent tonsillitis in the studied Italian cohort.
Conclusions:
- The findings suggest that the examined LTF polymorphisms (Thr29Ala and Arg47Lys) are unlikely to be involved in the development of recurrent tonsillitis in the Italian population studied.
- Despite the lack of association in this cohort, the established role of lactoferrin in oral immunity warrants further research into other potential genetic variants of LTF and their impact on oral health.
- Additional studies are needed to fully elucidate the complex genetic underpinnings of recurrent tonsillitis and the broader role of lactoferrin in oral cavity immunity.
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