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Reis CLB, Matsumoto MAN, Stuani MBS, Romano FL, Scariot R, Schroder AGD, Nelson-Filho P, Kirschneck C, Beisel-Memmert S, Küchler EC. Single Nucleotide Polymorphisms in RUNX2 and BMP2 contributes to different vertical facial profile. PLoS One 2024; 19:e0303551. [PMID: 38771832 PMCID: PMC11108145 DOI: 10.1371/journal.pone.0303551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Accepted: 04/27/2024] [Indexed: 05/23/2024] Open
Abstract
The vertical facial profile is a crucial factor for facial harmony with significant implications for both aesthetic satisfaction and orthodontic treatment planning. However, the role of single nucleotide polymorphisms (SNPs) in the development of vertical facial proportions is still poorly understood. This study aimed to investigate the potential impact of some SNPs in genes associated with craniofacial bone development on the establishment of different vertical facial profiles. Vertical facial profiles were assessed by two senior orthodontists through pre-treatment digital lateral cephalograms. The vertical facial profile type was determined by recommended measurement according to the American Board of Orthodontics. Healthy orthodontic patients were divided into the following groups: "Normodivergent" (control group), "Hyperdivergent" and "Hypodivergent". Patients with a history of orthodontic or facial surgical intervention were excluded. Genomic DNA extracted from saliva samples was used for the genotyping of 7 SNPs in RUNX2, BMP2, BMP4 and SMAD6 genes using real-time polymerase chain reactions (PCR). The genotype distribution between groups was evaluated by uni- and multivariate analysis adjusted by age (alpha = 5%). A total of 272 patients were included, 158 (58.1%) were "Normodivergent", 68 (25.0%) were "Hyperdivergent", and 46 (16.9%) were "Hypodivergent". The SNPs rs1200425 (RUNX2) and rs1005464 (BMP2) were associated with a hyperdivergent vertical profile in uni- and multivariate analysis (p-value < 0.05). Synergistic effect was observed when evaluating both SNPs rs1200425- rs1005464 simultaneously (Prevalence Ratio = 4.0; 95% Confidence Interval = 1.2-13.4; p-value = 0.022). In conclusion, this study supports a link between genetic factors and the establishment of vertical facial profiles. SNPs in RUNX2 and BMP2 genes were identified as potential contributors to hyperdivergent facial profiles.
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Affiliation(s)
- Caio Luiz Bitencourt Reis
- Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
| | - Mirian Aiko Nakane Matsumoto
- Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
| | - Maria Bernadete Sasso Stuani
- Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
| | - Fábio Lourenço Romano
- Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
| | - Rafaela Scariot
- Department of Stomatology, Federal University of Paraná, Curitiba, Brazil
| | | | - Paulo Nelson-Filho
- Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
| | - Christian Kirschneck
- Department of Orthodontics, University Hospital Bonn, Medical Faculty, Bonn, Germany
| | - Svenja Beisel-Memmert
- Department of Orthodontics, University Hospital Bonn, Medical Faculty, Bonn, Germany
| | - Erika Calvano Küchler
- Department of Orthodontics, University Hospital Bonn, Medical Faculty, Bonn, Germany
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Dehesa-Santos A, Faria-Teixeira MC, Iglesias-Linares A. Skeletal Class III phenotype: Link between animal models and human genetics: A scoping review. JOURNAL OF EXPERIMENTAL ZOOLOGY. PART B, MOLECULAR AND DEVELOPMENTAL EVOLUTION 2024; 342:21-44. [PMID: 38108095 DOI: 10.1002/jez.b.23230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 09/25/2023] [Accepted: 11/08/2023] [Indexed: 12/19/2023]
Abstract
This study aimed to identify evidence from animal studies examining genetic variants underlying maxillomandibular discrepancies resulting in a skeletal Class III (SCIII) malocclusion phenotype. Following the Manual for Evidence Synthesis of the JBI and the PRISMA extension for scoping reviews, a participant, concept, context question was formulated and systematic searches were executed in the PubMed, Scopus, WOS, Scielo, Open Gray, and Mednar databases. Of the 779 identified studies, 13 met the selection criteria and were included in the data extraction. The SCIII malocclusion phenotype was described as mandibular prognathism in the Danio rerio, Dicentrarchus labrax, and Equus africanus asinus models; and as maxillary deficiency in the Felis silvestris catus, Canis familiaris, Salmo trutta, and Mus musculus models. The identified genetic variants highlight the significance of BMP and TGF-β signaling. Their regulatory pathways and genetic interactions link them to cellular bone regulation events, particularly ossification regulation of postnatal cranial synchondroses. In conclusion, twenty genetic variants associated with the skeletal SCIII malocclusion phenotype were identified in animal models. Their interactions and regulatory pathways corroborate the role of these variants in bone growth, differentiation events, and ossification regulation of postnatal cranial synchondroses.
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Affiliation(s)
| | - Maria Cristina Faria-Teixeira
- School of Dentistry, Complutense University of Madrid, Madrid, Spain
- University Clinic of Stomatology, Faculty of Medicine, University of Lisbon, Lisbon, Portugal
| | - Alejandro Iglesias-Linares
- School of Dentistry, Complutense University of Madrid, Madrid, Spain
- BIOCRAN, Craniofacial Biology and Orthodontics Research Group, School of Dentistry, Complutense University of Madrid, Madrid, Spain
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Telatar BC, Telatar GY, Saydam F. Association between Taql polymorphism of vitamin D receptor gene and vertical growth of the mandible: A cross-sectional study. Korean J Orthod 2023; 53:336-342. [PMID: 37746779 PMCID: PMC10547590 DOI: 10.4041/kjod23.129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 08/17/2023] [Accepted: 08/29/2023] [Indexed: 09/26/2023] Open
Abstract
Objective To determine whether the gonial angle on digital panoramic radiographs is associated with vitamin D receptor (VDR) Taql polymorphism. Methods Genomic DNA samples were collected from the buccal mucosa of patients aged 26-43 years. TaqMan assay for single nucleotide polymorphism genotyping was used to detect the genotype of Taql polymorphism. The gonial angle was measured bilaterally on panoramic radiography. The normal gonial angle was fixed as 121.8°, and it represented the cutoff value for the high gonial angle (HGA) and low gonial angle (LGA) groups. Various genetic models were analyzed, namely dominant (homozygous [AA] vs. heterozygous [AG] + polymorphic [GG]), recessive (AA + AG vs. GG), and additive (AA + GG vs. AG), using the chi-squared test. Results The reliability of the gonial angle measurement was analyzed using a random sample (26%) of the tests, with the intra-examiner correlation showing an intra-class correlation coefficient of 0.99. The frequencies of the AA, AG, and GG genotypes of rs731236 polymorphism were 40.5%, 41.9%, and 17.6% in the HGA group and 21.8%, 51.0%, and 27.2% in the LGA group, respectively (P = 0.042). A statistically significant difference was observed in the allele frequencies between the two groups (P = 0.011). Moreover, a significant correlation was observed in the dominant genetic model. Conclusions Taql polymorphism in the VDR gene plays a critical role in the vertical growth of the mandible and decreased gonial angle.
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Affiliation(s)
- Baris Can Telatar
- Department of Orthodontics, Faculty of Dentistry, Akdeniz University, Antalya, Turkey
| | - Gul Yildiz Telatar
- Department of Restorative Dentistry, Faculty of Dentistry, Recep Tayyip Erdogan University, Rize, Turkey
| | - Faruk Saydam
- Department of Medical Biology and Genetic, Faculty of Medicine, Recep Tayyip Erdogan University, Rize, Turkey
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Lago C, Okida DKP, Cordeiro JFB, Gerber JT, Kuchler EC, Rebellato NLB, Moro A, Scariot R, Sebastiani AM. Genetic Polymorphisms of Estrogen Receptors α and β are Associated with Craniofacial Measurements in Patients With Dentofacial Deformity. J Craniofac Surg 2023; 34:1262-1266. [PMID: 36264685 DOI: 10.1097/scs.0000000000009064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 08/08/2022] [Indexed: 02/04/2023] Open
Abstract
Dentofacial deformities are characterized by abnormalities in craniofacial development that affects the individual's skeletal and occlusion, often causing functional and esthetic problems. In literature, there is an involvement of polymorphisms in estrogen receptor 1 (ESR1) and estrogen receptor 2 (ESR2) genes in craniofacial measurements. The aim of this study was to evaluate a possible association between polymorphisms in ESR1 (rs2234693 and rs9340799) and ESR2 (rs1256049 and rs4986938) genes with cephalometric measurements in individuals with dentofacial deformities. This cross-sectional study was performed with 158 individuals in the preoperative period of orthognathic surgery. The cephalometric measurements obtained through lateral cephalogram using Dolphin Imaging software. For genetic analysis, the DNA extracted from epithelial cells of the oral mucosa and were genotyped using the real-time polymerase chain reaction. The data found submitted to statistical analysis, through the Kolmogorov-Smirnov, Mann-Whitney, and Kruskal-Wallis tests, using the IBM SPSS software version 24.0. Considered a significance level of 0.05. We found association between polymorphisms and cephalometric measurements just in the female sex. The polymorphisms ESR1/rs9340799 ( P= 0.003), ESR1/rs2234693 ( P= 0.026), and ESR2/rs1256049 ( P= 0.046) were associated with the upper gonial angle (Ar-Go-N). The polymorphism ESR2/rs1256049 was also associated with the facial axis-rickets (NBa-PtGn) ( P= 0.004), anterior cranial base (SN) ( P= 0.036), and Y-axis (SGn-SN) ( P= 0.031).
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Affiliation(s)
- Camila Lago
- School of Health Sciences, Positivo University, Campo Comprido
| | | | | | | | | | | | - Alexandre Moro
- School of Health Sciences, Positivo University, Campo Comprido
| | - Rafaela Scariot
- Department of Stomatology, School of Dentistry, Federal University of Parana, Curitiba, PR
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Küchler EC, Teodoro VB, Schröder A, Nazet U, Meger MN, Kunz PVM, Baratto-Filho F, Spanier G, Scariot R, Proff P, Kirschneck C. Effect of genetic polymorphisms rs2301113 and rs2057482 in the expression of HIF-1α protein in periodontal ligament fibroblasts subjected to compressive force. J Appl Oral Sci 2023; 31:e20220151. [PMID: 37255180 DOI: 10.1590/1678-7757-2022-0151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 04/06/2023] [Indexed: 06/01/2023] Open
Abstract
OBJECTIVE Many genes and signaling molecules are involved in orthodontic tooth movement, with mechanically and hypoxically stabilized HIF-1α having been shown to play a decisive role in periodontal ligament signaling during orthodontic tooth movement. Thus, this in vitro study aimed to investigate if genetic polymorphisms in HIF1A (Hypoxia-inducible factor α-subunits) influence the expression pattern of HIF-1α protein during simulated orthodontic compressive pressure. METHODOLOGY Samples from human periodontal ligament fibroblasts were used and their DNA was genotyped using real time Polymerase chain reaction for the genetic polymorphisms rs2301113 and rs2057482 in HIF1A . For cell culture and protein expression experiments, six human periodontal ligament fibroblast cell lines were selected based on the patients' genotype. To simulate orthodontic compressive pressure in fibroblasts, a 2 g/cm2 force was applied under cell culture conditions for 48 hours. Protein expression was evaluated by Western Blot. Paired t-tests were used to compare HIF-1α expression with and without compressive pressure application and unpaired t-tests were used to compare expression between the genotypes in rs2057482 and rs2301113 (p<0.05). RESULTS The expression of HIF-1α protein was significantly enhanced by compressive pressure application regardless of the genotype (p<0.0001). The genotypes in the genetic polymorphisms rs2301113 and rs2057482 were not associated with HIF-1α protein expression (p>0.05). CONCLUSIONS Our study confirms that compressive pressure application enhances HIF-1α protein expression. We could not prove that the genetic polymorphisms in HIF1A affect HIF-1α protein expression by periodontal ligament fibroblasts during simulated orthodontic compressive force.
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Affiliation(s)
| | | | - Agnes Schröder
- University of Regensburg, Department of Orthodontics, Germany
| | - Ute Nazet
- University of Regensburg, Department of Orthodontics, Germany
| | | | | | | | - Gerrit Spanier
- University of Regensburg, Department of Maxillofacial Surgery, Germany
| | - Rafaela Scariot
- Universidade Federal do Paraná, Departamento de Estomatologia, Curitiba, Brasil
| | - Peter Proff
- University of Regensburg, Department of Orthodontics, Germany
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El Ouali EM, Zouhal H, Bahije L, Ibrahimi A, Benamar B, Kartibou J, Saeidi A, Laher I, El Harane S, Granacher U, Mesfioui A. Effects of Malocclusion on Maximal Aerobic Capacity and Athletic Performance in Young Sub-Elite Athletes. Sports (Basel) 2023; 11:sports11030071. [PMID: 36976957 PMCID: PMC10051721 DOI: 10.3390/sports11030071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 03/01/2023] [Accepted: 03/14/2023] [Indexed: 03/30/2023] Open
Abstract
Oral pathologies can cause athletic underperformance. The aim of this study was to determine the effect of malocclusion on maximal aerobic capacity in young athletes with the same anthropometric data, diet, training mode, and intensity from the same athletics training center. Sub-elite track and field athletes (middle-distance runners) with malocclusion (experimental group (EG); n = 37; 21 girls; age: 15.1 ± 1.5 years) and without malocclusion (control group (CG); n = 13; 5 girls; age: 14.7 ± 1.9 years) volunteered to participate in this study. Participants received an oral diagnosis to examine malocclusion, which was defined as an overlapping of teeth that resulted in impaired contact between the teeth of the mandible and the teeth of the upper jaw. Maximal aerobic capacity was assessed using the VAMEVAL test (calculated MAS and estimated VO2max). The test consisted of baseline values that included the following parameters: maximum aerobic speed (MAS), maximal oxygen uptake (VO2max), heart rate frequency, systolic (SAP) and diastolic arterial pressure (DAP), blood lactate concentration (LBP), and post-exercise blood lactate assessment (LAP) after the performance of the VAMEVAL test. There were no statistically significant differences between the two study groups related to either anthropometric data (age: EG = 15.1 ± 1.5 vs. CC = 14.7 ± 1.9 years (p = 0.46); BMI: EG = 19.25 ± 1.9 vs. CC = 19.42 ± 1.7 kg/m2 (p = 0.76)) or for the following physical fitness parameters and biomarkers: MAS: EG = 15.5 (14.5-16.5) vs. CG = 15.5 (15-17) km/h (p = 0.47); VO2max: EG = 54.2 (52.5-58.6) vs. CG = 54.2 (53.4-59.5) mL/kg/min (p = 0.62) (IQR (Q1-Q3)); heart rate before the physical test: EG = 77.1 ± 9.9 vs. CG = 74.3 ± 14.0 bpm (p = 0.43); SAP: EG = 106.6 ± 13.4 vs. CG = 106.2 ± 14.8 mmHg (p = 0.91); DAP: EG = 66.7 ± 9.1 vs. CG = 63.9 ± 10.2 mmHg (p = 0.36); LBP: EG = 1.5 ± 0.4 vs. CG = 1.3 ± 0.4 mmol/L (p = 0.12); and LAP: EG = 4.5 ± 2.36 vs. CG = 4.06 ± 3.04 mmol/L (p = 0.60). Our study suggests that dental malocclusion does not impede maximal aerobic capacity and the athletic performance of young track and field athletes.
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Affiliation(s)
- El Mokhtar El Ouali
- Laboratory of Biology and Health, Department of Biology, Ibn Tofail University of Kenitra, Kénitra 14000, Morocco
| | - Hassane Zouhal
- Movement, Sport, Health and Sciences Laboratory (M2S), UFR-STAPS, University of Rennes 2-ENS Cachan, Av. Charles Tillon, 35044 Rennes, France
- Institut International des Sciences du Sport (2IS), 35850 Irodouer, France
| | - Loubna Bahije
- Department of Dentofacial Orthopedics, Faculty of Dental Medicine, Mohammed 5 University of Rabat, Rabat 10000, Morocco
| | - Azeddine Ibrahimi
- Medical Biotechnology Laboratory, Faculty of Medicine and Pharmacy, Mohamed 5 Rabat University, Rabat 10000, Morocco
| | - Bahae Benamar
- BENAMAR Medical Analysis Laboratory, Rabat 10000, Morocco
| | - Jihan Kartibou
- Ministry of National Education and Teaching and Sports, Rabat 10000, Morocco
| | - Ayoub Saeidi
- Department of Physical Education and Sport Sciences, Faculty of Humanities and Social Sciences, University of Kurdistan, Sanandaj 66177-15175, Iran
| | - Ismail Laher
- Department of Anesthesiology, Pharmacology, and Therapeutics, Faculty of Medicine, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Sanae El Harane
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, 1211 Geneva, Switzerland
| | - Urs Granacher
- Department of Sport and Sport Science, Exercise and Human Movement Science, University of Freiburg, 79102 Freiburg, Germany
| | - Abdelhalem Mesfioui
- Laboratory of Biology and Health, Department of Biology, Ibn Tofail University of Kenitra, Kénitra 14000, Morocco
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Milosevic O, Nikolic N, Carkic J, Juloski J, Vucic L, Glisic B, Milasin J. Single nucleotide polymorphisms MYO1H 1001 C>T SNP (rs3825393) is a strong risk factor for mandibular prognathism. Am J Orthod Dentofacial Orthop 2022; 162:e246-e251. [PMID: 35977859 DOI: 10.1016/j.ajodo.2021.09.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 09/01/2021] [Accepted: 09/01/2021] [Indexed: 11/22/2022]
Abstract
INTRODUCTION Mandibular prognathism (MP) is a common craniofacial disorder of Class III malocclusion that causes esthetic and functional problems. Class III malocclusion diversity is influenced by both environmental and genetic factors. Single nucleotide polymorphisms (SNPs) in genes involved in craniofacial morphogenesis, bone and cartilage development, and metabolism, could play a role as predisposing factors. The present study aimed to establish a potential association between MATN1 -1878 A>G (rs1149048), MYO1H 1001 C>T (rs3825393), and BMP-4 538 A>G (rs17563) SNPs and MP in Serbian population. METHODS The study included 110 participants: 55 patients with Class III malocclusion diagnosed with MP and 55 with Class I malocclusion. The 3 SNPs were analyzed using the polymerase chain reaction-restriction fragment length polymorphism method. RESULTS The genotype frequency of MYO1H showed a highly significant difference between patients and controls. Heterozygous carriers of the T allele had an almost 3-fold increase in odds for the development of MP (odds ratio, 2.79; 95% confidence interval, 1.26-6.19; P = 0.010). No association could be established between MATN1 and BMP-4 polymorphisms and MP. CONCLUSIONS Our results support the concept of gene polymorphisms as risk modulators in mandibular prognathism development, although only the association between MYO1H and MP was found in Serbian patients with Class III malocclusion.
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Affiliation(s)
- Olga Milosevic
- Department of Orthodontics, School of Dental Medicine, University of Belgrade, Belgrade, Serbia
| | - Nadja Nikolic
- Department of Human Genetics, School of Dental Medicine, University of Belgrade, Belgrade, Serbia.
| | - Jelena Carkic
- Department of Human Genetics, School of Dental Medicine, University of Belgrade, Belgrade, Serbia
| | - Jovana Juloski
- Department of Orthodontics, School of Dental Medicine, University of Belgrade, Belgrade, Serbia
| | - Ljiljana Vucic
- Department of Orthodontics, School of Dental Medicine, University of Belgrade, Belgrade, Serbia
| | - Branislav Glisic
- Department of Orthodontics, School of Dental Medicine, University of Belgrade, Belgrade, Serbia
| | - Jelena Milasin
- Department of Human Genetics, School of Dental Medicine, University of Belgrade, Belgrade, Serbia
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The association of polymorphisms in BMP2/MYO1H and skeletal Class II div.1 maxillary and mandibular dimensions. A preliminary ‘report. Saudi J Biol Sci 2022; 29:103405. [PMID: 36039325 PMCID: PMC9418592 DOI: 10.1016/j.sjbs.2022.103405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 07/01/2022] [Accepted: 07/30/2022] [Indexed: 11/23/2022] Open
Abstract
Introduction The genetic impact directly or indirectly predefines maxillofacial dimensions, potentially leading to an inappropriate relationship of the jaws and subsequently skeletal malocclusion. Previous studies focused mainly on genetic polymorphisms and class III malocclusion. This study was set out to investigate the association between genetic polymorphisms in two genes BMP2 (rs235768) and MYO1H (rs11066446) with Class II division 1 malocclusion, skeletal variation in vertical plane, and maxillary and mandibular jaws length. Subjects and methods Sixty patients classified as Skeletal Class I (n = 30) and Class II division 1 (n = 30) were recruited. DNA was extracted from saliva and analyzed by Sanger sequencing. Lateral cephalometric radiographs were measured for the anterio-posterior relationship of maxillary and mandibular arch using digital tracing. Hardy-Weinberg equilibrium analysis of genotype frequencies was performed using Chi-square test to compare genotype distribution among groups and multiple logistic regression analysis adjusted by gender was also performed. Results The rs235768 polymorphism in BMP2 was associated with hypodivergent face, increased maxillary length, and decreased mandibular length. Meanwhile, the rs11066446 polymorphism in MYO1H was associated with decreased mandibular length. New polymorphism was identified in MYO1H (rs10850090) in association with decreased mandibular length. Conclusion A potential association between polymorpisms in BMP2 rs235768 and MOY1H rs11066446 and rs10850090 and Class II division 1 skeletal malocclusion related phenotypes exists, however, the degree of it has to be further investigated and yet to be discovered.
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Hansen SE, Petrone JFA, Burnheimer JM, Vieira AR. Influence of genotype and perioral musculature on maxillary and mandibular development. Angle Orthod 2022; 92:482035. [PMID: 35608565 PMCID: PMC9374360 DOI: 10.2319/112821-868.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Accepted: 04/01/2022] [Indexed: 11/23/2022] Open
Abstract
OBJECTIVES To determine whether there is an association between skeletal jaw position and perioral musculature, and if genotypes can predict skeletal growth. MATERIALS AND METHODS A prospective study on 42 patients over 1 year was performed. The study included 22 females and 20 males with and average age of 28.5 years. Lip strength was compared to radiographic cephalometric measurements. Allelic and genotypic frequencies from polymorphisms rs678397 and rs1815739 in ACTN3 and rs10850110 in MYO1H were compared to each variable. Chi-square and Fisher exact tests were used to determine if differences were statistically significant (alpha = 0.05). RESULTS The data showed significant differences between rs678397 genotype and allele frequencies and SNA angle (P = .01; P = .003, respectively); between rs1815739 allele frequency and SNA angle (P = .01); between rs678397 allele frequency and ANB angle (P = .049); between rs678397 genotype and allele frequencies and lip strength in females (P = .045; P = .02); and between rs678397 allele frequency and overall lip strength (P = .049), after mean strength values used as cut off being customized by sex. CONCLUSIONS Polymorphisms in ACTN3 are associated with weak lips and larger SNA and ANB angles.
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Abstract
Facial asymmetry is a feature that occurs to a greater or lesser extent in the general population. As its severity is usually slight, facial asymmetry may not be noticeable to the patient. However, there are cases when severe facial asymmetry not only affects the facial aesthetics by distorting facial proportions, but also contributes to problems related to the function of the stomatognathic system. The nodal signalling pathway appears to be of particular importance in the process of mandibular asymmetry, as it affects not only structures formed from the first pharyngeal arch, but also other organs, such as the heart and lungs. Following the evaluation of the available literature, the inheritance of mandibular asymmetry is a very complex and multifactorial process, and the genes whose altered expression appears to be a more important potential aetiological factor for asymmetry include PITX2, ACTN3, ENPP1 and ESR1. This systematic review attempts to systematise the available literature concerning the impact of signalling pathway disruption, including the disruption of the nodal signalling pathway, on the development of mandibular asymmetry.
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Felicita AS, Jayaseelan V, George A, Arumugam P. Virtual screening to identify pathogenic functional mutations in the exon of ACTN3 gene, which codes for masseter muscle, thereby affecting mandibular morphology. JOURNAL OF INDIAN ACADEMY OF ORAL MEDICINE AND RADIOLOGY 2022. [DOI: 10.4103/jiaomr.jiaomr_57_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Atteeri A, Neela PK, Mamillapalli PK, Sesham VM, Keesara S, Chandra J, Monica U, Mohan V, Miryala S, Khan FA, Makthal P. Analysis of MYO1H Gene Polymorphism in Skeletal Class-III Malocclusion Due to Mandibular Prognathism. Glob Med Genet 2021; 8:156-161. [PMID: 34877573 PMCID: PMC8635817 DOI: 10.1055/s-0041-1731066] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 04/13/2021] [Indexed: 12/31/2022] Open
Abstract
Background
Mandibular prognathism (MP) is a craniofacial deformity resulting from the combined effects of environmental and genetic factors. Although various linkage and genome-wide association studies for mandibular prognathism have identified multiple strongly associated regions and genes, the causal genes and variants responsible for the deformity remained ambiguous.
Aim
This research work was aimed to study the association between polymorphism rs10850110 of the
MYO1H
gene and skeletal class-III malocclusion in our local population.
Materials and Methods
Thirty patients with skeletal class III due to mandibular prognathism in the study group and 30 patients with skeletal class I in the control group were selected for this study. These patients were from both sexes and above age 10 years. Based on the cephalometric values, patients were categorized into study and control groups. SNB (angle between sella, nasion and point B at nasion) greater than 82 degrees with an ANB (angle between point A, nasion and point B at nasion) of less than 0 degrees in the study group and ANB (angle between point A, nasion and point B at nasion) of 2 to 4 degrees in the control group were categorized. The polymorphism (rs10850110) of the
MYO1H
gene was genotyped using polymerase chain reaction and restriction fragment length polymorphism. Associations were tested with SNP exact test using SNPstats software.
Results
The single-nucleotide polymorphism rs10850110 showed a statistically significant association with mandibular prognathism. The G allele of marker rs10850110 (5′ of myosin1H
- MYO1H
) was overrepresented when compared with the “A” allele in mandibular prognathism cases (
p
< 0.0001), and this was very significant.
Conclusion
These results suggest that the rs10850110 polymorphism of the
MYO1H
gene is associated with an increased risk for mandibular prognathism.
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Affiliation(s)
- Anjana Atteeri
- Department of Orthodontics, Kamineni Institute of Dental Sciences, Narketpally, Telangana, India
| | - Praveen Kumar Neela
- Department of Orthodontics, Kamineni Institute of Dental Sciences, Narketpally, Telangana, India
| | - Pavan Kumar Mamillapalli
- Department of Orthodontics, Kamineni Institute of Dental Sciences, Narketpally, Telangana, India
| | - Vasu M Sesham
- Department of Orthodontics, Kamineni Institute of Dental Sciences, Narketpally, Telangana, India
| | - Sreekanth Keesara
- Department of Orthodontics, Kamineni Institute of Dental Sciences, Narketpally, Telangana, India
| | - Jaya Chandra
- Department of Orthodontics, Kamineni Institute of Dental Sciences, Narketpally, Telangana, India
| | - Udayini Monica
- Department of Orthodontics, Kamineni Institute of Dental Sciences, Narketpally, Telangana, India
| | - Vasavi Mohan
- Department of Genetics and Molecular Medicine, Vasavi Medical and Research Centre, Hyderabad, Telangana, India
| | - Shubhangi Miryala
- Department of Genetics and Molecular Medicine, Vasavi Medical and Research Centre, Hyderabad, Telangana, India
| | - Fatema A Khan
- Department of Genetics and Molecular Medicine, Vasavi Medical and Research Centre, Hyderabad, Telangana, India
| | - Priyanka Makthal
- Department of Genetics and Molecular Medicine, Vasavi Medical and Research Centre, Hyderabad, Telangana, India
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Genes and Pathways Associated with Skeletal Sagittal Malocclusions: A Systematic Review. Int J Mol Sci 2021; 22:ijms222313037. [PMID: 34884839 PMCID: PMC8657482 DOI: 10.3390/ijms222313037] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 11/06/2021] [Accepted: 11/30/2021] [Indexed: 12/15/2022] Open
Abstract
Skeletal class II and III malocclusions are craniofacial disorders that negatively impact people’s quality of life worldwide. Unfortunately, the growth patterns of skeletal malocclusions and their clinical correction prognoses are difficult to predict largely due to lack of knowledge of their precise etiology. Inspired by the strong inheritance pattern of a specific type of skeletal malocclusion, previous genome-wide association studies (GWAS) were reanalyzed, resulting in the identification of 19 skeletal class II malocclusion-associated and 53 skeletal class III malocclusion-associated genes. Functional enrichment of these genes created a signal pathway atlas in which most of the genes were associated with bone and cartilage growth and development, as expected, while some were characterized by functions related to skeletal muscle maturation and construction. Interestingly, several genes and enriched pathways are involved in both skeletal class II and III malocclusions, indicating the key regulatory effects of these genes and pathways in craniofacial development. There is no doubt that further investigation is necessary to validate these recognized genes’ and pathways’ specific function(s) related to maxillary and mandibular development. In summary, this systematic review provides initial insight on developing novel gene-based treatment strategies for skeletal malocclusions and paves the path for precision medicine where dental care providers can make an accurate prediction of the craniofacial growth of an individual patient based on his/her genetic profile.
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Matias M, Flores-Mir C, Almeida MRD, Vieira BDS, Freitas KMSD, Nunes DC, Ferreira MC, Ursi W. Miniscrew insertion sites of infrazygomatic crest and mandibular buccal shelf in different vertical craniofacial patterns: A cone-beam computed tomography study. Korean J Orthod 2021; 51:387-396. [PMID: 34803027 PMCID: PMC8607118 DOI: 10.4041/kjod.2021.51.6.387] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 04/26/2021] [Accepted: 04/28/2021] [Indexed: 11/10/2022] Open
Abstract
Objective To identify optimal areas for the insertion of extra-alveolar miniscrews into the infrazygomatic crest (IZC) and mandibular buccal shelf (MBS), using cone beam computed tomography (CBCT) imaging in patients with different craniofacial patterns. Methods CBCT reconstructions of untreated individuals were used to evaluate the IZC and MBS areas. The participants were divided into three groups, based on the craniofacial pattern, namely, brachyfacial (n = 15; mean age, 23.3 years), mesofacial (n = 15; mean age, 19.24 years), and dolichofacial (n = 15; mean age, 17.79 years). In the IZC, the evaluated areas were at 11, 13, and 15 mm above the buccal cusp tips of the right and left first molars. In the MBS, the evaluated areas were at the projections of the first molars' distal roots and second molars' mesial and distal roots, at a 4- and 8-mm distance from the cementoenamel junction. Intergroup comparisons were performed with analysis of variance and the Tukey test. Results There was no statistically significant difference in the IZC bone thickness among the groups. For MBS bone availability, some comparisons revealed no difference; meanwhile, other comparisons revealed increased MBS bone thickness in the brachyfacial (first molars distal roots) and dolichofacial (second molars mesial and distal roots) patterns. Conclusions There was no significant difference in the IZC bone thickness among the groups. The facial skeletal pattern may affect the availability of ideal bone thickness for the insertion of extra-alveolar miniscrews in the MBS region; however, this variability is unlikely to be clinically meaningful.
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Affiliation(s)
- Murilo Matias
- Department of Orthodontics, Guarulhos University, São Paulo, Brazil
| | - Carlos Flores-Mir
- Department of Orthodontics, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, Canada
| | | | | | | | | | | | - Weber Ursi
- Department of Social and Pediatric Dentistry, Institute of Science and Technology, São Paulo State University, São José dos Campos, Brazil
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15
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Olsson B, Bergamaschi IP, Küchler EC, Sebastiani AM, Dos Santos Trento G, da Costa DJ, Rebellato NLB, Scariot R. Quality of Life and Temporomandibular Disorders in Patients With Skeletal Class III Malocclusion With Cleft Lip and Palate. Cleft Palate Craniofac J 2021; 59:1391-1399. [PMID: 34636696 DOI: 10.1177/10556656211043429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
OBJECTIVE The aim of the study was to assess the quality of life (QOL), oral health-related QOL (OHRQOL), temporomandibular disorders (TMDs), and psychological factors in patients with skeletal Class III malocclusion with cleft lip and palate (CLP) and without CLP. DESIGN Case-control. SETTING Primary care, institutional practice. PATIENTS One hundred thirty-six patients with skeletal Class III malocclusion with CLP (n = 68) and without CLP (n = 68). MAIN OUTCOME MEASURES QOL and OHRQOL were assessed using the World Health Organization Quality of Life-BREF (WHOQOL-BREF) questionnaire and the Oral Health Impact Profile-14 questionnaire, respectively. TMDs and psychological factors were assessed using the Research Diagnostic Criteria for TMD (RDC/TMD). RESULTS No differences in QOL were found between the groups (P > 0.05). Patients with CLP reported a better OHRQOL (P = 0.025) in the physical pain, physical disability, and psychological disability domains (P < 0.05). Patients with CLP presented with less myofascial pain (OR, 0.28; 95% CI, 0.11-0.71] and other articular conditions (OR 0.24; 95% CI 0.06-0.90]. More patients with CLP reported no chronic pain (P = 0.012). The QOL of patients with CLP with no depression or with no nonspecific physical symptoms including pain (NSPSIP) was better than that of patients without CLP. The OHRQOL of patients with CLP without TMDs or no psychological factors was better than that of patients without CLP. CONCLUSIONS Patients with skeletal Class III malocclusion who require orthognathic surgery with CLP have better OHRQOL and present with fewer TMDs than those patients without CLP.
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Affiliation(s)
- Bernardo Olsson
- Department of Stomatology, Department of Oral and Maxillofacial Surgery, 28122Federal University of Paraná, Curitiba, Brazil
| | - Isabela Polesi Bergamaschi
- Department of Stomatology, Department of Oral and Maxillofacial Surgery, 28122Federal University of Paraná, Curitiba, Brazil
| | | | - Aline Monise Sebastiani
- Department of Stomatology, Department of Oral and Maxillofacial Surgery, 28122Federal University of Paraná, Curitiba, Brazil.,Oral and Maxillofacial Surgeon at Cleft Lip and Palate Integral Care Center, Curitiba, Brazil
| | | | - Delson Joao da Costa
- Department of Stomatology, Department of Oral and Maxillofacial Surgery, 28122Federal University of Paraná, Curitiba, Brazil
| | - Nelson Luis Barbosa Rebellato
- Department of Stomatology, Department of Oral and Maxillofacial Surgery, 28122Federal University of Paraná, Curitiba, Brazil
| | - Rafaela Scariot
- Department of Stomatology, Department of Oral and Maxillofacial Surgery, 28122Federal University of Paraná, Curitiba, Brazil.,Oral and Maxillofacial Surgeon at Cleft Lip and Palate Integral Care Center, Curitiba, Brazil
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16
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George AM, Felicita AS, Milling Tania SD, Priyadharsini JV. Systematic review on the genetic factors associated with skeletal Class II malocclusion. Indian J Dent Res 2021; 32:399-406. [PMID: 35229783 DOI: 10.4103/ijdr.ijdr_59_20] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
AIM The aim of this study is to review studies evaluating the role of genetics in skeletal class II malocclusion. OBJECTIVE To assess the scientific evidence associating the role of genes in skeletal class II malocclusion. Materials and Methods: A complete search across the electronic database through PubMed, Cochrane, LILACS, BMC and manual hand search of orthodontic journals were done till May 2019. The keywords for the search included: "Genetics", "class II malocclusion", "maxillary prognathism", "mandibular retrognathism". DATA COLLECTION AND ANALYSIS Studies were selected based on PRISMA guidelines. RESULTS Articles were selected based on the inclusion and exclusion criteria. A total of 11 cross-sectional studies satisfied the inclusion criteria and were analyzed for the role of genes in skeletal class II malocclusion. Almost all the studies except for one revealed a positive correlation of genes with skeletal class II malocclusion. CONCLUSIONS Out of the 11 studies included, a positive correlation of the genes with the skeletal II malocclusion was found in 10 studies. Genes FGFR2, MSX1, MATN1, MYOH1, ACTN3, GHR, KAT6B, HDAC4, AJUBA were found to be positively linked to skeletal class II malocclusion.
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Affiliation(s)
- Ashwin M George
- Department of Orthodontics, Saveetha Dental College and Hospital, Chennai, Tamil Nadu, India
| | - A Sumathi Felicita
- Department of Orthodontics, Saveetha Dental College and Hospital, Chennai, Tamil Nadu, India
| | - S D Milling Tania
- Department of Orthodontics, Rajas Dental College and Hospital, Tirunelveli, Tamil Nadu, India
| | - J Vijayashree Priyadharsini
- Associate Professor, (Clinical Genetics), Centre for Cellular and Molecular Research, Saveetha Dental College and Hospital, Chennai, Tamil Nadu, India
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Ma W, Liu Y, Ma H, Ren Z, Yan J. Cis-acting: A pattern of lncRNAs for gene regulation in induced pluripotent stem cells from patients with Down syndrome determined by integrative analysis of lncRNA and mRNA profiling data. Exp Ther Med 2021; 22:701. [PMID: 34007310 PMCID: PMC8120638 DOI: 10.3892/etm.2021.10133] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 02/02/2021] [Indexed: 12/11/2022] Open
Abstract
Down syndrome (DS), caused by the trisomy of chromosome 21, is one of the common chromosomal disorders, the main clinical manifestations of which are delayed nervous development and intellectual disability. Long non-coding RNAs (lncRNAs) have critical roles in various biological processes, including cell growth, cell cycle regulation and differentiation. The roles of abnormally expressed lncRNAs have been previously reported; however, the biological functions and regulatory patterns of lncRNAs in DS have remained largely elusive. The aim of the present study was to perform a whole-genome-wide identification of lncRNAs and mRNAs associated with DS. In addition, global expression profiling analysis of DS-induced pluripotent stem cells was performed and differentially expressed (DE) lncRNAs and mRNAs were screened. Furthermore, the target genes and functions of the DE lncRNAs were predicted using Gene Ontology annotation and Kyoto Encyclopedia of Genes and Genomes signaling pathway enrichment analysis. The results revealed that the majority of the lncRNAs exerted functions in DS via cis-acting target genes. In addition, the results of the enrichment analysis indicated that these target genes were mainly involved in nervous and muscle development in DS. In conclusion, this integrative analysis using lncRNA and mRNA profiling provided novel insight into the pathogenesis of DS and it may promote the diagnosis and development of novel therapeutics for this disease.
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Affiliation(s)
- Wenbo Ma
- Shanghai Institute of Medical Genetics, Shanghai Children's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200040, P.R. China
| | - Yanna Liu
- Shanghai Institute of Medical Genetics, Shanghai Children's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200040, P.R. China
| | - Houshi Ma
- Shanghai Institute of Medical Genetics, Shanghai Children's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200040, P.R. China
| | - Zhaorui Ren
- Shanghai Institute of Medical Genetics, Shanghai Children's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200040, P.R. China.,NHC Key Laboratory of Medical Embryogenesis and Developmental Molecular Biology and Shanghai Key Laboratory of Embryo and Reproduction Engineering, Shanghai 200040, P.R. China
| | - Jingbin Yan
- Shanghai Institute of Medical Genetics, Shanghai Children's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200040, P.R. China.,NHC Key Laboratory of Medical Embryogenesis and Developmental Molecular Biology and Shanghai Key Laboratory of Embryo and Reproduction Engineering, Shanghai 200040, P.R. China
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18
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Genetic factors contributing to skeletal class III malocclusion: a systematic review and meta-analysis. Clin Oral Investig 2021; 25:1587-1612. [PMID: 33550467 DOI: 10.1007/s00784-020-03731-5] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 12/03/2020] [Indexed: 12/16/2022]
Abstract
OBJECTIVES The present systematic review aims to report and critically assess the findings of the available scientific evidence from genetic association studies examining the genetic variants underlying skeletal class III malocclusion and its sub-phenotypes. MATERIAL AND METHODS A pre-piloted protocol was registered and followed. The PubMed, Scopus, WOS, Cochrane Library, Gray Open literature, and CADTH databases were explored for genetic association studies following PICOS-based selection criteria. The research was reported in accordance with PRISMA statement and HuGE guidelines. The Q-genie tool was applied to assess the quality of genetic studies. Meta-analysis of genetic association studies was done by means of Meta-Genyo tool. RESULTS A total of 8258 articles were retrieved, of which 22 were selected for in-depth analysis. Most of the studies did not differentiate between sub-phenotypes, and the cohorts were heterogeneous regarding ethnicity. Four to five principal components of class III malocclusion explained the phenotypic variation, and gene variants at MYO1H(rs10850110), BMP3(rs1390319), GHR (rs2973015,rs6184, rs2973015), FGF7(rs372127537), FGF10(rs593307), and SNAI3(rs4287555) (p < .05) explained most of the variation across the studies, associated to vertical, horizontal, or combined skeletal discrepancies. Meta-analysis results identified a statistically significant association between risk of class III malocclusion of A allele of the FBN3 rs7351083 [OR 2.13; 95% CI 1.1-4.1; p 0.02; recessive model]. CONCLUSION Skeletal class III is a polygenic trait substantially modulated by ethnicity. A multicentric approach should be considered in future studies to increase sample sizes, applying multivariate analysis such as PCA and cluster analysis to characterize existing sub-phenotypes warranting a deeper analysis of genetic variants contributing to skeletal class III craniofacial disharmony. CLINICAL RELEVANCE Grasping the underlying mechanisms of this pathology is critical for a fuller understanding of its etiology, allowing generation of preventive strategies, new individualized therapeutic approaches and more accurate treatment planification strategies.
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19
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Scariot R, Olsson B, da Silva M, Lago C, Calixto R, Ramazzotto L, Barbosa Rebellato N, Kirschneck C, Garcia Paula-Silva F, Küchler E. Single nucleotide polymorphisms in runt-related transcription factor 2 and bone morphogenetic protein 2 impact on their maxillary and mandibular gene expression in different craniofacial patterns - A comparative study. Ann Maxillofac Surg 2021; 11:222-228. [PMID: 35265489 PMCID: PMC8848693 DOI: 10.4103/ams.ams_40_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 09/24/2021] [Accepted: 11/09/2021] [Indexed: 11/29/2022] Open
Abstract
Introduction: This study aimed to evaluate if single nucleotide polymorphisms (SNPs) in runt-related transcription factor 2 (RUNX2) and bone morphogenetic protein 2 (BMP2) are associated with different craniofacial patterns. Furthermore, we also investigated if RUNX2 and BMP2 expression in the maxilla and mandible are differently expressed according to facial phenotypes and influenced by the SNPs in their encoding genes. Orthognathic patients were included. Materials and Methods: Lateral cephalometric radiographs were used to classify facial phenotypes based on Steiner's ANB and Ricketts’ NBa-PtGn angles. Bone samples from 21 patients collected during orthognathic surgery were used for the gene expression assays. DNA from 129 patients was used for genotyping the SNPs rs59983488 and rs1200425 in RUNX2 and rs235768 and rs1005464 in BMP2. The established alpha was 5%. Results: A statistically significant difference was observed in the relative BMP2 expression in the mandible between Class I and III participants (P = 0.042). Homozygous GG (rs59983488) had higher RUNX2 expression (P = 0.036) in the mandible. In maxilla, GG (rs1200425) had a higher BMP2 expression (P = 0.038). Discussion: In conclusion, BMP2 is expressed differently in the mandible of Class I and Class III participants. Genetic polymorphisms in RUNX2 and BMP2 are associated with their relative gene expression.
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20
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Yamada T, Sugiyama G, Mori Y. Masticatory muscle function affects the pathological conditions of dentofacial deformities. JAPANESE DENTAL SCIENCE REVIEW 2020; 56:56-61. [PMID: 31956379 PMCID: PMC6957801 DOI: 10.1016/j.jdsr.2019.12.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2019] [Revised: 12/12/2019] [Accepted: 12/18/2019] [Indexed: 12/12/2022] Open
Abstract
The causes of dentofacial deformities include various known syndromes, genetics, environmental and neuromuscular factors, trauma, and tumors. Above all, the functional effects of muscles are important, and deformation of the mandible is often associated with a mechanical imbalance of the masticatory muscles. With the vertical position of the face, weakness of the sling of the masseter muscle and medial pterygoid muscle causes dilatation of the mandibular angle. In patients with a deep bite, excessive function of the masticatory muscles is reported. Myosin heavy chain (MyHC) properties also affect jawbone morphology. In short-face patients, the proportion of type II fibers, which are fast muscles, is high. The proportions of muscle fiber types are genetically determined but can be altered by postnatal environmental factors. Orthognathic surgery may results in the transition of MyHC to type II (fast) fibers, but excessive stretching enhances the release of inflammatory mediators and causes a shift toward a greater proportion of slow muscle fibers. This feature can be related to postoperative relapse. Bones and muscles are in close crosstalk, and it may be possible to use biochemical approaches as well as biomechanical considerations for the treatment of jaw deformities.
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Affiliation(s)
- Tomohiro Yamada
- Section of Oral and Maxillofacial Surgery, Division of Maxillofacial Diagnostic and Surgical Sciences, Faculty of Dental Science, Kyushu University, Japan
| | - Goro Sugiyama
- Section of Oral and Maxillofacial Surgery, Division of Maxillofacial Diagnostic and Surgical Sciences, Faculty of Dental Science, Kyushu University, Japan
| | - Yoshihide Mori
- Section of Oral and Maxillofacial Surgery, Division of Maxillofacial Diagnostic and Surgical Sciences, Faculty of Dental Science, Kyushu University, Japan
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21
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Fernandez CCA, Pereira CVCA, Ferreira FFCF, Maciel JVB, Modesto A, Costa MC, Vieira AR. IRF6, MSX1, TGFA, dental anomalies, and skeletal malocclusion. Eur J Orthod 2020; 43:478-485. [PMID: 33200192 DOI: 10.1093/ejo/cjaa064] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
OBJECTIVE Verify the presence of association between four variables-transforming growth factor α (TGFA; C/T rs1523305), interferon regulatory factor 6 (IRF6; A/C rs2013162), muscle segment homeobox 1 (MSX1; A/G rs12532), and dental anomalies-with skeletal malocclusion by comparing these four variables with Angle Classes I, II, and III, and normal, hyperdivergent, and hypodivergent growth patterns. METHODS A total of 505 orthodontic records of patients older than 8 years were evaluated. The sample consisted of 285 (56.4 per cent) females, 220 (43.6 per cent) males, 304 (60.2 per cent) Whites (the rest were mixed Blacks with Whites), with a mean age of 20.28 (±10.35) years (ranging from 8 to 25 years). Eight cephalometric points, which served as the anatomical framework for obtaining angles and cephalometric measurements, were used for skeletal characterization using the Dolphin Software. Samples of saliva were collected and the DNA was extracted, diluted and quantified. Markers in TGFA, IRF6, and MSX1 were used and genotypes were obtained using TaqMan chemistry. Odds ratio (OR) and 95 per cent confidence interval (CI) calculations, chi-square, Fisher's Exact, Mann-Whitney, and correlation coefficient tests (significance level: 95 per cent) were performed. Bonferroni correction was applied and an alpha of 0.0006 was considered statistically significant. RESULTS There was no statistically significant associations between markers in TGFA or IRF6 with skeletal malocclusions. Tooth agenesis was associated with facial convexity (P < 0.001). MSX1 was associated with Class II skeletal malocclusion (P = 0.0001, OR = 0.6, CI = 0.46-0.78). CONCLUSION Individuals with tooth agenesis were more likely to have a convex face. MSX1 was associated with Class II skeletal malocclusion.
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Affiliation(s)
- Clarissa C A Fernandez
- Department of Pediatric Dentistry and Orthodontics, School of Dentistry, Universidade Federal do Rio de Janeiro, Brazil
| | - Christiane V C A Pereira
- Department of Pediatric Dentistry and Orthodontics, School of Dentistry, Universidade Federal do Rio de Janeiro, Brazil
| | - Fernanda F C F Ferreira
- Department of Pediatric Dentistry and Orthodontics, School of Dentistry, Universidade Federal do Rio de Janeiro, Brazil
| | - José V B Maciel
- Department of Pediatric Dentistry and Orthodontics, School of Dentistry, Universidade Federal do Rio de Janeiro, Brazil
| | - Adriana Modesto
- Department of Pediatric Dentistry, University of Pittsburgh, PA, USA
| | - Marcelo C Costa
- Department of Pediatric Dentistry and Orthodontics, School of Dentistry, Universidade Federal do Rio de Janeiro, Brazil
| | - Alexandre R Vieira
- Oral Biology, School of Dental Medicine, University of Pittsburgh, PA, USA
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22
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Küchler EC, Reis CLB, Carelli J, Scariot R, Nelson-Filho P, Coletta RD, Paza AO, Matsumoto MAN, Proff P, Kirschneck C. Potential interactions among single nucleotide polymorphisms in bone- and cartilage-related genes in skeletal malocclusions. Orthod Craniofac Res 2020; 24:277-287. [PMID: 33068497 DOI: 10.1111/ocr.12433] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 09/07/2020] [Accepted: 10/08/2020] [Indexed: 12/12/2022]
Abstract
OBJECTIVE To investigate SNPs in bone- and cartilage-related genes and their interaction in the aetiology of sagittal and vertical skeletal malocclusions. SETTINGS AND SAMPLE POPULATION This study included 143 patients and classified as follows: skeletal class I (n = 77), class II (n = 47) and class III (n = 19); maxillary retrusion (n = 39), protrusion (n = 52) and well-positioned maxilla (n = 52); mandibular retrognathism (n = 50), prognathism (n = 50) and well-positioned mandible (n = 43); normofacial (n = 72), dolichofacial (n = 55) and brachyfacial (n = 16). MATERIALS AND METHODS Steiner's ANB, SNA, SNB angles and Ricketts' NBa-PtGn angle were measured to determine the skeletal malocclusion and the vertical pattern. Nine SNPs in BMP2, BMP4, SMAD6, RUNX2, WNT3A and WNT11 were genotyped. Chi-squared test was used to compare genotypes among the groups. Multifactor dimensionality reduction (MDR) and binary logistic regression analysis, both using gender and age as co-variables, were also used. We performed Bonferroni correction for multiple testing. RESULTS Significant associations at P < .05 were observed for SNPs rs1005464 (P = .042) and rs235768 (P = .021) in BMP2 with mandibular retrognathism and for rs59983488 (RUNX2) with maxillary protrusion (P = .04) as well as for rs708111 (WNT3A) with skeletal class III (P = .02; dominant model), rs1533767 (WNT11) with a brachyfacial skeletal pattern (P = .01, OR = 0.10; dominant model) and for rs3934908 (SMAD6) with prognathism (P = .02; recessive model). After the Bonferroni correction, none of the SNPs remained associated. The MDR predicted some interaction for skeletal class II, dolichofacial and brachyfacial phenotypes. CONCLUSION Our results suggest that SNPs in BMP2, BMP4, SMAD6, RUNX2, WNT3A and WNT11 could be involved in the aetiology of sagittal and vertical malocclusions.
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Affiliation(s)
- Erika Calvano Küchler
- Department of Orthodontics, University Medical Centre of Regensburg, Regensburg, Germany
| | - Caio Luiz Bitencourt Reis
- Department of Clinic and Surgery, School of Dentistry, Federal University of Alfenas, Alfenas, Brazil
| | - Julia Carelli
- Department of Dentistry, School of Dentistry, Univille (Joinville University), Joinville, Brazil
| | - Rafaela Scariot
- Department of Stomatology, Federal University of Paraná, Curitiba, Brazil
| | - Paulo Nelson-Filho
- Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto, USP - Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Ricardo D Coletta
- Department of Oral Diagnosis, School of Dentistry of Piracicaba, University of Campinas (UNICAMP), Campinas, Brazil
| | - Aleysson Olimpio Paza
- Department of Dentistry, School of Dentistry, Univille (Joinville University), Joinville, Brazil
| | - Mírian Aiko Nakane Matsumoto
- Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto, USP - Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Peter Proff
- Department of Orthodontics, University Medical Centre of Regensburg, Regensburg, Germany
| | - Christian Kirschneck
- Department of Orthodontics, University Medical Centre of Regensburg, Regensburg, Germany
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23
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de Frutos-Valle L, Martin C, Alarcón JA, Palma-Fernández JC, Ortega R, Iglesias-Linares A. Sub-clustering in skeletal class III malocclusion phenotypes via principal component analysis in a southern European population. Sci Rep 2020; 10:17882. [PMID: 33087764 PMCID: PMC7578100 DOI: 10.1038/s41598-020-74488-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Accepted: 09/28/2020] [Indexed: 02/08/2023] Open
Abstract
The main aim of this study was to generate an adequate sub-phenotypic clustering model of class III skeletal malocclusion in an adult population of southern European origin. The study design was conducted in two phases, a preliminary cross-sectional study and a subsequent discriminatory evaluation by main component and cluster analysis to identify differentiated skeletal sub-groups with differentiated phenotypic characteristics. Radiometric data from 699 adult patients of southern European origin were analyzed in 212 selected subjects affected by class III skeletal malocclusion. The varimax rotation was used with Kaiser normalization, to prevent variables with more explanatory capacity from affecting the rotation. A total of 21,624 radiographic measurements were obtained as part of the cluster model generation, using a total set of 55 skeletal variables for the subsequent analysis of the major component and cluster analyses. Ten main axes were generated representing 92.7% of the total variation. Three main components represented 58.5%, with particular sagittal and vertical variables acting as major descriptors. Post hoc phenotypic clustering retrieved six clusters: C1:9.9%, C2:18.9%, C3:33%, C4:3.77%, C5:16%, and C6:16%. In conclusion, phenotypic variation was found in the southern European skeletal class III population, demonstrating the existence of phenotypic variations between identified clusters in different ethnic groups.
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Affiliation(s)
- L de Frutos-Valle
- Section of Orthodontics, Faculty of Odontology, Complutense University, Madrid, Spain
| | - C Martin
- Section of Orthodontics, Faculty of Odontology, Complutense University, Madrid, Spain.,Craniofacial Biology Research Group, BIOCRAN, Complutense University, Plaza Ramón y Cajal, s/n, 28040, Madrid, Spain
| | - J A Alarcón
- Section of Orthodontics, Faculty of Odontology, University of Granada, Campus Universitario de Cartuja, Granada, Spain
| | - J C Palma-Fernández
- Section of Orthodontics, Faculty of Odontology, Complutense University, Madrid, Spain
| | - R Ortega
- Faculty of Odontology, Complutense University, Madrid, Spain
| | - A Iglesias-Linares
- Section of Orthodontics, Faculty of Odontology, Complutense University, Madrid, Spain. .,Craniofacial Biology Research Group, BIOCRAN, Complutense University, Plaza Ramón y Cajal, s/n, 28040, Madrid, Spain.
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Marañón-Vásquez GA, Vieira AR, de Carvalho Ramos AG, Dantas B, Romano FL, Palma-Dibb RG, Arid J, Carpio K, Nelson-Filho P, de Rossi A, Scariot R, Levy SC, Antunes LAA, Antunes LS, Küchler EC. GHR and IGF2R genes may contribute to normal variations in craniofacial dimensions: Insights from an admixed population. Am J Orthod Dentofacial Orthop 2020; 158:722-730.e16. [PMID: 33008707 DOI: 10.1016/j.ajodo.2019.10.020] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 10/01/2019] [Accepted: 10/01/2019] [Indexed: 01/24/2023]
Abstract
INTRODUCTION This study aimed to determine whether single nucleotide polymorphisms in the growth hormone receptor (GHR) and insulin-like growth factor 2 receptor (IGF2R) genes are associated with different craniofacial phenotypes. METHODS A total of 596 orthodontic and 98 orthognathic patients from 4 cities in Brazil were included for analyses. Angular and linear cephalometric measurements were obtained, and phenotype characterizations were performed. Genomic DNA was collected from buccal cells and single nucleotide polymorphisms in GHR (rs2910875, rs2973015, rs1509460) and IGF2R (rs2277071, rs6909681, rs6920141) were genotyped by polymerase chain reactions using TaqMan assay. Genotype-phenotype associations were assessed in the total sample (statistical significance was set at P <8.333 × 10-3) and by a meta-analytic approach implemented to calculate the single effect size measurement for the different cohorts. RESULTS Rare homozygotes for the GHR rs2973015 showed increased measurements for the lower anterior facial height (ANS-Me) and mandibular sagittal lengths (Co-Gn and Go-Pg). In contrast, common homozygotes for the IGF2R rs6920141 presented reduced measurements for these dimensions (ANS-Me and Go-Pg). Furthermore, the less common homozygotes for IGF2R rs2277071 had reduced maxillary sagittal length (Ptm'-A'). The meta-analytical approach replicated the associations of rs2973015 with ANS-Me, rs2277071 with Ptm'-A', and rs6920141 with Go-Pg. CONCLUSIONS Our results provide further evidence that GHR contributes to the determination of mandibular morphology. In addition, we report that IGF2R is a possible gene associated with variations in craniofacial dimensions. Applying meta-analytical approaches to genetic variation data originating from likely underpowered samples may provide additional insight regarding genotype and/or phenotype associations.
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Affiliation(s)
- Guido Artemio Marañón-Vásquez
- Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Alexandre R Vieira
- Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, Pa.
| | | | - Beatriz Dantas
- Amazonian Education Institute, Adrianópolis, Manaus, Amazonas, Brazil
| | - Fábio Lourenço Romano
- Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Regina Guenka Palma-Dibb
- Department of Restorative Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Juliana Arid
- Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Karla Carpio
- Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Paulo Nelson-Filho
- Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Andiara de Rossi
- Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Rafaela Scariot
- Department of Oral and Maxillofacial Surgery, Federal University of Paraná, and Department of Oral and Maxillofacial Surgery, Positivo University, Curitiba, Paraná, Brazil
| | - Simone Carvalho Levy
- Graduate program, School of Dentistry, Fluminense Federal University, Niterói, Rio de Janeiro, Brazil
| | - Lívia Azeredo A Antunes
- Graduate program, School of Dentistry, Fluminense Federal University, Niterói, Rio de Janeiro, Brazil, and Department of Specific Formation, School of Dentistry, Fluminense Federal University, Nova Friburgo, Rio de Janeiro, Brazil
| | - Leonardo Santos Antunes
- Department of Specific Formation, School of Denistry, Fluminense Federal University, Nova Friburgo, Rio de Janeiro, Brazil, and Clinical Research Unit, School of Dentistry, Fluminense Federal University, Niterói, Rio de Janeiro, Brazil
| | - Erika C Küchler
- Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil, and Department of Dentistry, Positivo University, Curitiba, Paraná, Brazil.
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25
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Rodrigues AS, Teixeira EC, Antunes LS, Nelson-Filho P, Cunha AS, Levy SC, de Souza Araújo MT, de Carvalho Ramos AG, Cruz GV, Omori MA, Matsumoto MAN, Vieira AR, Küchler EC, Marañón-Vásquez GA, Antunes LAA. Association between craniofacial morphological patterns and tooth agenesis-related genes. Prog Orthod 2020; 21:9. [PMID: 32249341 PMCID: PMC7131971 DOI: 10.1186/s40510-020-00309-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Accepted: 03/12/2020] [Indexed: 12/29/2022] Open
Abstract
Background The aim of the present study was to assess if genetic polymorphisms in tooth agenesis (TA)-related genes are associated with craniofacial morphological patterns. Methods This cross-sectional, multi-center, genetic study evaluated 594 orthodontic Brazilians patients. The presence or absence of TA was determined by analysis of panoramic radiography. The patients were classified according to their skeletal malocclusion and facial growth pattern by means of digital cephalometric analysis. Genomic DNA was extracted from squamous epithelial cells of buccal mucosa and genetic polymorphisms in MSX1 (rs1042484), PAX9 (rs8004560), TGF-α (rs2902345), FGF3 (rs1893047), FGF10 (rs900379), and FGF13 (rs12838463, rs5931572, and rs5974804) were genotyped by polymerase chain reaction using TaqMan chemistry and end-point analysis. Results Genotypes (p = 0.038) and allele (p = 0.037) distributions for the FGF3 rs1893047 were significantly different according to the skeletal malocclusion. Carrying at least one G allele increased in more than two times the chance of presenting skeletal class III malocclusion (OR = 2.21, CI 95% = 1.14–4.32; p = 0.017). There was no association between another skeletal craniofacial pattern and some polymorphism assessed in the present study. Conclusion Our results suggest that the genetic polymorphism rs1893047 in FGF3 might contribute to variations in the craniofacial sagittal pattern.
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Affiliation(s)
- Amanda Silva Rodrigues
- School of Dentistry, Fluminense Federal University, Rua São Paulo 28, Campus do Valonguinho, Niterói, RJ, 24020-150, Brazil
| | - Ellen Cardoso Teixeira
- School of Dentistry, Fluminense Federal University, Rua Doutor Sílvio Henrique Braune 22, Niterói, Nova Friburgo, RJ, 28625-650, Brazil
| | - Leonardo Santos Antunes
- School of Dentistry, Fluminense Federal University, Rua Doutor Sílvio Henrique Braune 22, Niterói, Nova Friburgo, RJ, 28625-650, Brazil.,Clinical Research Unit, Fluminense Federal University, Rua Mario Santos Braga 30, Niterói, RJ, 24020-140, Brazil
| | - Paulo Nelson-Filho
- Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo, Avenida do Café s/n-Campus da USP, Ribeirão Preto, SP, 14040-904, Brazil
| | - Arthur Silva Cunha
- Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo, Avenida do Café s/n-Campus da USP, Ribeirão Preto, SP, 14040-904, Brazil
| | - Simone Carvalho Levy
- School of Dentistry, Fluminense Federal University, Rua São Paulo 28, Campus do Valonguinho, Niterói, RJ, 24020-150, Brazil
| | - Mônica Tirre de Souza Araújo
- Department of Pediatric Dentistry and Orthodontics, School of Dentistry, Federal University of Rio de Janeiro, Rua Prof. Rodolpho Paulo Rocco, 325-Cidade Universitária, Rio de Janeiro, RJ, 21941-617, Brazil
| | | | - Giuseppe Valduga Cruz
- Department of Oral and Maxillofacial Surgery, Positivo University, Rua Professor Pedro Viriato Parigot de Souza 5300-Campo Comprido, Curitiba, PR, 81200-452, Brazil
| | - Marjorie Ayumi Omori
- Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo, Avenida do Café s/n-Campus da USP, Ribeirão Preto, SP, 14040-904, Brazil
| | - Mírian Aiko Nakane Matsumoto
- Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo, Avenida do Café s/n-Campus da USP, Ribeirão Preto, SP, 14040-904, Brazil
| | - Alexandre Rezende Vieira
- Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, 412 Salk Pavilion, 335 Sutherland Street, Pittsburgh, PA, 15261, USA
| | - Erika Calvano Küchler
- Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo, Avenida do Café s/n-Campus da USP, Ribeirão Preto, SP, 14040-904, Brazil.,Department of Oral and Maxillofacial Surgery, Positivo University, Rua Professor Pedro Viriato Parigot de Souza 5300-Campo Comprido, Curitiba, PR, 81200-452, Brazil
| | - Guido Artemio Marañón-Vásquez
- Department of Pediatric Dentistry and Orthodontics, School of Dentistry, Federal University of Rio de Janeiro, Rua Prof. Rodolpho Paulo Rocco, 325-Cidade Universitária, Rio de Janeiro, RJ, 21941-617, Brazil.
| | - Lívia Azeredo Alves Antunes
- School of Dentistry, Fluminense Federal University, Rua São Paulo 28, Campus do Valonguinho, Niterói, RJ, 24020-150, Brazil. .,School of Dentistry, Fluminense Federal University, Rua Doutor Sílvio Henrique Braune 22, Niterói, Nova Friburgo, RJ, 28625-650, Brazil.
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Küchler EC, Meger MN, Ayumi Omori M, Gerber JT, Carneiro Martins Neto E, Silva Machado NCD, Cavalcante RC, Teixeira LR, Stuani MB, Nelson Filho P, da Costa DJ, Souza JFD, Brancher JA, León JE, Scariot R. Association between oestrogen receptors and female temporomandibular disorders. Acta Odontol Scand 2020; 78:181-188. [PMID: 31646926 DOI: 10.1080/00016357.2019.1675904] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Objective: To evaluate if temporomandibular disorders (TMDs) are associated with genetic polymorphisms in ESR1 and ESR2, which are genes encoding oestrogen receptor alpha (ERα) and beta (ERβ). Also, we included an animal model to check if ERα and ERβ are expressed in the temporomandibular joint (TMJ) during adolescence.Materials and methods: A total of 139 teenagers and 93 adults were diagnosed according to the Research Diagnostic Criteria for Temporomandibular Disorders (RDC/TMDs). The DNA was collected and the markers ESR1 and ERS2 were genotyped. Additionally, immunohistochemistry was performed in TMJ tissues from female Wistar rats during puberty. All data were submitted to statistical analysis with confidence interval of 95%.Results: Teenagers presented more disc displacement and arthralgia than adults (p < .05). The genetic polymorphism rs1256049 in ESR2 was associated with disc displacement (p = .040; OR = 10.50/95%CI 1.17-98.74) and arthralgia (p = .036; OR = 7.20/95%CI 1.10-46.88) in adults. The ERα and ERβ are expressed in rat TMJ tissues.Conclusions: We provide evidence that ESR2 is associated with TMD and could be a genetic marker for this condition in adult women. Furthermore, oestrogens receptors are presented in TMJ of adolescent female rats.
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Affiliation(s)
- Erika Calvano Küchler
- Department of Pediatric Dentistry, Ribeirão Preto Dental School, Universidade de São Paulo, Ribeirão Preto, Brazil
| | | | - Marjorie Ayumi Omori
- Department of Pediatric Dentistry, Ribeirão Preto Dental School, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Jennifer Tsi Gerber
- Department of Dentistry, School of Health Sciences, Universidade Positivo, Curitiba, Brazil
| | | | | | | | - Lucas Ribeiro Teixeira
- Department of Oral Biology, Ribeirão Preto Dental School, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Maria Bernadete Stuani
- Department of Pediatric Dentistry, Ribeirão Preto Dental School, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Paulo Nelson Filho
- Department of Pediatric Dentistry, Ribeirão Preto Dental School, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Delson João da Costa
- Department of Oral and Maxillofacial Surgery, Universidade Federal Do Paraná, Curitiba, Brazil
| | | | - João Armando Brancher
- Department of Dentistry, School of Health Sciences, Universidade Positivo, Curitiba, Brazil
| | - Jorge Esquiche León
- Department of Oral Pathology, Ribeirão Preto Dental School, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Rafaela Scariot
- Department of Dentistry, School of Health Sciences, Universidade Positivo, Curitiba, Brazil
- Department of Oral and Maxillofacial Surgery, Universidade Federal Do Paraná, Curitiba, Brazil
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Cavalcante RC, Bergamaschi IP, Sebastiani AM, Meger M, Signorini L, Costa DJD, Küchler EC, Scariot R. Association between facial measurements and polymorphisms in human epidermal growth factor and transforming growth factor β1. Br J Oral Maxillofac Surg 2020; 58:214-219. [PMID: 31924381 DOI: 10.1016/j.bjoms.2019.11.024] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 11/03/2019] [Indexed: 11/30/2022]
Abstract
The aim of the study was to evaluate the association between genetic polymorphisms in human epidermal growth factor (EGF) (rs4444903) and transforming growth factor β1 - (TGF-β1) (rs1800470) with facial measurements in patients with dentofacial deformities. A total of 144 adult patients with dentofacial deformities were included. Facial linear and angular measurements were traced in lateral cephalometric radiographs used Dolphin 2D software. Cells from oral mucosa were collected for DNA to be extracted. The polymorphisms were genotyped using real-time polymerase chain reaction (PCR). Probabilites of less than 0.05 were accepted as significant. The rs4444903 heterozygous patients had a decrease in the mandibular length (p=0.043) and the length of the mandibular base (p=0.008), and homozygous A patients also had a reduction in the length of the mandibular base (p=0.013) compared with homozygous G patients. Patients AG had an increase in measurement of the anterior facial height (p=0.032) and in ANS-Me distance (p=0.022) when compared with homozygous A. To the rs1800470, heterozygous patients had an increase in the length of the mandibular base (p=0.043) when compared with homozygous A. Heterozygous AG patients had an increase in angular measurements in TGF-β1 polymorphism for the upper gonial angle, when compared with the homozygous AA (p=0.032). Genetic polymorphisms in EGF and TGF-β1 are associated with facial measurements in a Brazilian population of patients with dentofacial deformities.
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Affiliation(s)
- R C Cavalcante
- Federal University of Paraná, 632 Prefeito Lothário Meissner Avenue, Jardim Botânico, Curitiba, PR 80210-170, Brazil.
| | - I P Bergamaschi
- Federal University of Paraná, 632 Prefeito Lothário Meissner Avenue, Jardim Botânico, Curitiba, PR 80210-170, Brazil
| | - A M Sebastiani
- School of Health Sciences, Positivo University, 5300 Professor Pedro Viriato Parigot de Souza Street, Campo Comprido, Curitiba, PR 81280-330, Brazil
| | - M Meger
- School of Health Sciences, Positivo University, 5300 Professor Pedro Viriato Parigot de Souza Street, Campo Comprido, Curitiba, PR 81280-330, Brazil
| | - L Signorini
- School of Health Sciences, Positivo University, 5300 Professor Pedro Viriato Parigot de Souza Street, Campo Comprido, Curitiba, PR 81280-330, Brazil
| | - D João da Costa
- Federal University of Paraná, 632 Prefeito Lothário Meissner Avenue, Jardim Botânico, Curitiba, PR 80210-170, Brazil
| | - E C Küchler
- School of Health Sciences, Positivo University, 5300 Professor Pedro Viriato Parigot de Souza Street, Campo Comprido, Curitiba, PR 81280-330, Brazil
| | - R Scariot
- Federal University of Paraná, 632 Prefeito Lothário Meissner Avenue, Jardim Botânico, Curitiba, PR 80210-170, Brazil; School of Health Sciences, Positivo University, 5300 Professor Pedro Viriato Parigot de Souza Street, Campo Comprido, Curitiba, PR 81280-330, Brazil
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Genetic polymorphisms influence gene expression of human periodontal ligament fibroblasts in the early phases of orthodontic tooth movement. Odontology 2019; 108:493-502. [PMID: 31741103 DOI: 10.1007/s10266-019-00475-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Accepted: 10/31/2019] [Indexed: 11/27/2022]
Abstract
Genetic polymorphisms could be involved in the individual rate of OTM (orthodontic tooth movement) corresponding to the clinical phenomenon of "slow movers" and "fast movers". This study evaluated, if genetic polymorphisms in RANK, RANKL, OPG, COX2 and IL6 are associated with the expression of RANKL, OPG, COX2 and IL6 by human periodontal ligament (hPDL) fibroblasts during OTM. Primary hPDL fibroblasts from periodontal connective tissue of teeth extracted from 57 human subjects for medical reasons were collected, isolated, cultivated and characterized. To simulate orthodontic forces in PDL pressure areas, a physiological compressive force of 2 g/cm2 was applied to the hPDL fibroblasts under cell culture conditions at 70% confluency for 48 h, using a glass disc. Thereafter we analysed relative expression of RANKL, OPG, COX2 and IL6 by RT-qPCR. We also performed genotyping analysis of seven genetic polymorphisms in RANK, RANKL, OPG, COX2 and IL6. Relative gene expression was compared among the genotypes. The genotype TT in polymorphism rs9594738 (RANKL) had a higher RANKL expression in the recessive model (p = 0.021; TT vs. CT + CC). For polymorphism rs9594738 (RANKL), in the recessive model, TT was associated with a higher RANKL/OPG expression ratio (p = 0.013; TT vs. CT + CC). In the dominant model, GG genotype in rs5275 (COX2) was associated with a lower gene expression of COX2 (p = 0.04; GG vs. AA + AG). Genetic polymorphisms in genes associated with OTM affect the relative force-induced upregulation of these genes in hPDL fibroblasts.
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Left-right asymmetry in palatal rugae is associated with genetic variants in WNT signaling pathway. Arch Oral Biol 2019; 110:104604. [PMID: 31756673 DOI: 10.1016/j.archoralbio.2019.104604] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 10/31/2019] [Accepted: 11/07/2019] [Indexed: 02/07/2023]
Abstract
OBJECTIVE The present study evaluated the association between genetic variants in WNT3A and WNT11, and palatal rugae phenotypes. DESIGN Eighty-five biological unrelated orthodontic patients were included. Dental casts were assessed and data regarding the length, shape, direction and unification of rugae were recorded. The individuals were subsequently classified for each of the following rugae traits: total amount of rugae; bilateral symmetry in the amount, length and shape of the rugae; presence of secondary or fragmentary rugae; presence of unifications; predominant shape; and, direction of the rugae. Genetic variants in WNT3A (rs708111) and WNT11 (rs1533767) were genotyped by real-time PCR. Genotype and allele distributions were compared with an established alpha of 5 %. RESULTS The wavy and curve rugae were the most common. Genotype/phenotype analyses identified that the presence of the rs708111 A allele (OR = 2.2, 95 % CI: 1.1-4.4, p = 0.01) and the rs1533767 G allele (OR = 2.3, 95 % CI: 1.0-5.3, p = 0.05) increased in more than two times the chance of having bilateral asymmetry in the amount of the rugae. In the recessive model, individuals carrying two risk alleles (AA) of WNT3A rs708111 had a higher risk of presenting this phenotype. SNP-SNP interaction analysis revealed that individuals carrying one rs708111 A allele and rs1533767 G allele showed even a higher chance of having bilateral asymmetry in the amount of rugae (OR = 5.6, 95 % CI: 1.1-28.8, p = 0.03). No associations were identified for other rugae phenotype (p > 0.05). CONCLUSION Genetic variants in WNT3A and WNT11 were associated with the left-right asymmetry in the amount of palatal rugae.
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Tooth agenesis-related GLI2 and GLI3 genes may contribute to craniofacial skeletal morphology in humans. Arch Oral Biol 2019; 103:12-18. [PMID: 31112935 DOI: 10.1016/j.archoralbio.2019.05.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2019] [Revised: 05/03/2019] [Accepted: 05/09/2019] [Indexed: 12/20/2022]
Abstract
OBJECTIVE The present cross-sectional, multi-centre, genetic study aimed to determine, whether single nucleotide polymorphisms (SNPs) in tooth agenesis (TA)-associated GLI2 and GLI3 genes contribute to the development of craniofacial skeletal morphology in humans. DESIGN Orthodontic patients from an ethnically heterogeneous population were selected for the present study (n = 594). The presence or absence of TA was determined by analysis of panoramic radiography and dental records. The subjects were classified according to their skeletal malocclusion and facial growth pattern by means of digital cephalometric analysis. Genomic DNA was extracted from squamous epithelial cells of the buccal mucosa and SNPs in GLI2 (rs3738880, rs2278741) and GLI3 (rs929387, rs846266) were analysed by polymerase chain reaction using TaqMan chemistry and end-point analysis. RESULTS Class II skeletal malocclusion presented a significantly lower frequency of TA (P < 0.05). Subjects without TA showed significantly higher ANB angles (P < 0.05). Genotype and/or allele distributions of the SNPs in GLI2 (rs3738880, rs2278741) and GLI3 (rs846266) were associated with the presence of TA (P < 0.05). The SNPs rs3738880, rs2278741 and rs929387 were also associated with some type of skeletal malocclusion (P < 0.05), but not with the facial growth pattern (P > 0.05). The G allele for TA-related GLI2 rs3738880 was strongly linked to the presence of Class III skeletal malocclusion (OR = 2.03; 95% CI = 1.37-3.03; P<3125 × 10-6). GLI2 rs2278741 C allele was overrepresented in individuals without TA, suggesting it as a protective factor for this dental phenotype (OR = 0.43; 95% CI = 0.24-0.78; P<625 × 10-5). CONCLUSION The present study suggests that SNPs in TA-associated GLI2 and GLI3 genes may also play a role in the development of skeletal malocclusions. rs3738880 and rs2278741 in GLI2 seems to contribute to the genetic background for skeletal Class III and TA, respectively. TA could be an additional predictor of craniofacial morphology in some cases. Further research replicating the reported associations should be performed.
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