Influence of age, sex, and presence of cleft lip and palate on the quantity and quality of saliva-derived DNA

Q1 Medicine

Journal of oral biology and craniofacial research Pub Date : 2025-02-10 DOI:10.1016/j.jobcr.2025.01.030

Lina M. Escobar , Zita Bendahan , Deisy Abril , David Díaz-Baez , Adolfo Paternina , Farith González-Martinez , Ma Clara González-Carrera

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引用次数: 0

Abstract

The quantity and quality of DNA are crucial factors in determining polymorphisms in samples from individuals with and without pathologies such as cleft lip and palate (CL/P). Saliva is increasingly being evaluated as a collection method. This study aimed to compare saliva DNA concentrations from individuals of different ages with and without CL/P.

Saliva samples were collected, DNA was extracted and the quantification was performed by spectrophotometry. Kruskal-Wallis test was used to compare frequencies between groups, and Spearman's rho for correlations.

We obtained saliva DNA from 314 individuals: 107 with CL/P (mean age: 12.7 ± 6.5 years), 103 parents of children with CL/P (mean age: 41.1 ± 9.3 years), 52 individuals without CL/P under 18 years old (controls), and 52 individuals without CL/P over 18 years old (controls). The sample comprised 32.2 % females and 67.8 % males.

Statistically significant differences in DNA concentrations were found between individuals under and over 18 years old (12.38 and 21.3 ng/μl, respectively, p = 0.0001), but no differences were observed between males and females. Individuals with CL/P had lower DNA concentrations (12.45 ng/μl) compared to their parents and controls (21.95 and 21.15 ng/μl, respectively). Our results showed a direct correlation between age and DNA concentration in individuals with CL/P under 18 years old (R = 0.328).

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来源期刊

Journal of oral biology and craniofacial research Medicine-Otorhinolaryngology

CiteScore

4.90

自引率

0.00%

发文量

133

审稿时长

167 days

期刊介绍： Journal of Oral Biology and Craniofacial Research (JOBCR)is the official journal of the Craniofacial Research Foundation (CRF). The journal aims to provide a common platform for both clinical and translational research and to promote interdisciplinary sciences in craniofacial region. JOBCR publishes content that includes diseases, injuries and defects in the head, neck, face, jaws and the hard and soft tissues of the mouth and jaws and face region; diagnosis and medical management of diseases specific to the orofacial tissues and of oral manifestations of systemic diseases; studies on identifying populations at risk of oral disease or in need of specific care, and comparing regional, environmental, social, and access similarities and differences in dental care between populations; diseases of the mouth and related structures like salivary glands, temporomandibular joints, facial muscles and perioral skin; biomedical engineering, tissue engineering and stem cells. The journal publishes reviews, commentaries, peer-reviewed original research articles, short communication, and case reports.