Abstract
Objective
The aim of this study is to do a sequencing analysis of RUNX2 in non-syndromic patients with supernumerary tooth.
Materials and methods
Fifty-three patients with supernumerary tooth were identified retrospectively from 1,275 radiographic reviews who attended the Hospital Universiti Sains Malaysia (USM) Dental Clinic. Informed consent was obtained from the patients prior to the study. Blood samples were collected from 41 patients and DNA extractions were performed out of which 10 samples were chosen randomly for PCR amplification using designated primers for RUNX2 followed by DNA sequencing analysis.
Results
This study involved 28 male patients (68.3%) and 13 female patients (31.7%) with a gender ratio of 2.2:1 and mean age of 15.9 ± 6.2 years. DNA extraction yielded ~ 40 ng/μl of concentrated DNA, and each DNA sample had more than 1500 bp of DNA length. The purity ranged between 1.8 and 2.0. DNA sequencing analysis did not reveal any mutations in exons 5 and 6 of RUNX2.
Conclusion
This study did not reveal any mutations in exons 5 and 6 of RUNX2 in non-syndromic patients with supernumerary tooth.
Clinical relevance
Analysis of mutations in RUNX2 is important to enhance the understanding of tooth development in humans.
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Funding
This study was financially supported by Universiti Sains Malaysia Short Term Grant (304/PPSG/61311087).
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Suhailiza Saharudin performed the experiments, collected data, and drafted the manuscript. Sarliza Yasmin Sanusi and Kannan Thirumulu Ponnuraj contributed to the conception and study design. Suhailiza Saharudin and Kannan Thirumulu Ponnuraj analyzed the results. All authors read and approved the final manuscript.
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Ethical approval and consent to participate was obtained from Human Research Ethics Committee of Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia (USMKK/PPPP/JEPeM [238.3.(11)]).
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Informed consent was obtained from all individual participants included in the study.
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Saharudin, S., Sanusi, S.Y. & Ponnuraj, K.T. Sequencing analysis of exons 5 and 6 in RUNX2 in non-syndromic patients with supernumerary tooth in Kelantan, Malaysia. Clin Oral Invest 26, 1261–1268 (2022). https://doi.org/10.1007/s00784-021-04098-x
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DOI: https://doi.org/10.1007/s00784-021-04098-x