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El Jilani MM, Mohamed AA, Zeglam HB, Alhudiri IM, Ramadan AM, Saleh SS, Elkabir M, Amer IB, Ashammakhi N, Enattah NS.
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Libyan J Med. 2015 Jan;10(1):26771. doi: 10.3402/ljm.v10.26771.
Abstract
Background Chronic periodontitis (CP) is a common oral disease characterized by inflammation in the supporting tissue of the teeth ‘the periodontium’, periodontal attachment loss, and alveolar bone loss. The disease has a microbial etiology; however, recent findings suggest that the genetic factors, such as vitamin D receptor (VDR) gene polymorphisms, have also been included. Aim Investigation of the relationship between VDR gene polymorphisms and CP among Libyans. Materials and methods In this study, we examined 196 unrelated Libyans between the ages of 25 and 65 years, including 99 patients and 97 controls. An oral examination based on Ramfjord Index was performed at different dental clinics in Tripoli and information were collected using a self-reported questionnaire. DNA was extracted from buccal swabs; the VDR ApaI, BsmI, and FokI polymorphisms were genotyped using polymerase chain reaction and were sequenced using Sanger Method. Results A significant difference in the newly detected ApaI SNP C/T rs#731236 was found (p=0.022), whereas no significant differences were found in ApaI SNP G/T rs#7975232, BsmI SNP A/G rs#1544410, and FokI SNP A/G rs#2228570 between patients and controls (p=0.939, 0.466, 0.239), respectively. Conclusion VDR ApaI SNP C/T rs#731236 may be related to the risk of CP in the Libyan population.
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Link/DOI: 10.3402/ljm.v10.26771