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Lou Q, Wu S, Zhang J, Xie R, Wu X, Guo Z, Chen Y. The interaction between PAX9 rs2073244 and passive smoking during pregnancy on low birth weight in newborns: a case-control study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2024:1-10. [PMID: 39225389 DOI: 10.1080/09603123.2024.2394625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Accepted: 08/15/2024] [Indexed: 09/04/2024]
Abstract
To explore whether rs2073244 at PAX9 increased susceptibility for full-term low birth weight infants and whether indoors passive smoking exposure has a combined effect with rs2073244 on newborn low birth weight (LBW), a 1:2 paired case-control study of LBW newborns was conducted at Xiamen University Affiliated Women and Children's Hospital from March 2010 to October 2013. The rate of indoor passive smoking exposure in the LBW group was higher than it in the NBW group (p = 0.019). GG of PAX9 rs2073244 decreased the risk of LBW [OR = 0.38, 95% CI: (0.15-0.98)] and smaller HC [OR = 0.44, 95% CI:(0.20-0.98)]. The relative excess risk for LBW contributed by the additive interaction between the rs2073244 risk genotypes AG/AA and mother pregnancy passive smoking exposure was 10.679 (95%CI 1.728-65.975). Our study suggested that the AG/AA genotype of PAX9 rs2073244 might be a risk factor for LBW of full-term newborns, especially in maternal passive smoking.
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Affiliation(s)
- Qun Lou
- Xiamen Center for Disease Control and Prevention, Fujian, China
| | - Sihan Wu
- Xiamen Center for Disease Control and Prevention, Fujian, China
| | - Jinhua Zhang
- Xiamen Center for Disease Control and Prevention, Fujian, China
| | - Rongzhen Xie
- Xiamen Center for Disease Control and Prevention, Fujian, China
| | - Xiaoqing Wu
- Xiamen Center for Disease Control and Prevention, Fujian, China
| | - Zhinan Guo
- Xiamen Center for Disease Control and Prevention, Fujian, China
| | - Youlan Chen
- Xiamen Center for Disease Control and Prevention, Fujian, China
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2
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Gerber JT, Weiss SG, Mijolaro LV, Silva CS, Petinati MFP, Meger MN, Honório HM, Rebellato NLB, Sebastiani AM, Küchler EC, Scariot R. Polymorphisms in hormonal-related genes might be associated with variations in permanent tooth crown size. Orthod Craniofac Res 2023; 26:539-545. [PMID: 36756694 DOI: 10.1111/ocr.12638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 01/08/2023] [Accepted: 01/31/2023] [Indexed: 02/10/2023]
Abstract
BACKGROUND The variability in tooth crown size (TCS) is influenced by genetic factors and might be regulated by the difference in hormonal response. MATERIALS AND METHODS This study aimed to evaluate the association between variations in TCS of permanent teeth with associated factors and genetic polymorphisms in hormonal-related genes (ESR1, ESR2 and PTH). This cross-sectional study involved dental casts from 86 individuals of both sexes. Dental casts were used to determine the maximum TCS of all fully erupted permanent teeth (except third molars) in the mesiodistal (MD) and buccolingual (BL) dimensions. Data such as sex, ethnicity, dental group (incisor, canine, premolar and molar), dental arch (upper and lower) and genetic polymorphisms of hormonal-related genes were used. The DNA from each patient was collected to evaluate the genetic polymorphisms in ESR1 (rs2234693 and rs9340799), ESR2 (rs1256049 and rs4986938) and PTH (rs694, rs6256 and rs307247) through real-time PCR. The data were submitted to statistical analysis with a significance level of 0.05. RESULTS In the MD dimension, the sex, dental group and dental arch were associated with variation in TCS (P < .05). In the BL dimension, the sex, dental group, dental arch and polymorphism in rs694 and rs307247 were associated with variation in TCS. CONCLUSIONS In short, this study suggests that genetic polymorphisms of PTH are associated with variations in the BL TCS of permanent human teeth.
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Affiliation(s)
| | | | | | | | | | | | - Heitor Marques Honório
- Department of Pediatric Dentistry, Orthodontics and Public Health, Bauru School of Dentistry - University of São Paulo, Bauru, Brazil
| | | | - Aline Monise Sebastiani
- Department of Stomatology, School of Dentistry, Federal University of Parana, Curitiba, Brazil
| | - 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, Brazil
| | - Rafaela Scariot
- Department of Stomatology, School of Dentistry, Federal University of Parana, Curitiba, Brazil
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3
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Grgic O, Prijatelj V, Dudakovic A, Vucic S, Dhamo B, Trajanoska K, Monnereau C, Zrimsek M, Gautvik K, Reppe S, Shimizu E, Haworth S, Timpson N, Jaddoe V, Jarvelin MR, Evans D, Uitterlinden A, Ongkosuwito E, van Wijnen A, Medina-Gomez C, Rivadeneira F, Wolvius E. Novel Genetic Determinants of Dental Maturation in Children. J Dent Res 2023; 102:349-356. [PMID: 36437532 PMCID: PMC10083589 DOI: 10.1177/00220345221132268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Dental occlusion requires harmonious development of teeth, jaws, and other elements of the craniofacial complex, which are regulated by environmental and genetic factors. We performed the first genome-wide association study (GWAS) on dental development (DD) using the Demirjian radiographic method. Radiographic assessments from participants of the Generation R Study (primary study population, N1 = 2,793; mean age of 9.8 y) were correlated with ~30 million genetic variants while adjusting for age, sex, and genomic principal components (proxy for population stratification). Variants associated with DD at genome-wide significant level (P < 5 × 10-8) mapped to 16q12.2 (IRX5) (lead variant rs3922616, B = 0.16; P = 2.2 × 10-8). We used Fisher's combined probability tests weighted by sample size to perform a meta-analysis (N = 14,805) combining radiographic DD at a mean age of 9.8 y from Generation R with data from a previous GWAS (N2 = 12,012) on number of teeth (NT) in infants used as proxy of DD at a mean age of 9.8 y (including the ALSPAC and NFBC1966). This GWAS meta-analysis revealed 3 novel loci mapping to 7p15.3 (IGF2BP3: P = 3.2 × 10-8), 14q13.3 (PAX9: P = 1.9 × 10-8), and 16q12.2 (IRX5: P = 1.2 × 10-9) and validated 8 previously reported NT loci. A polygenic allele score constructed from these 11 loci was associated with radiographic DD in an independent Generation R set of children (N = 703; B = 0.05, P = 0.004). Furthermore, profiling of the identified genes across an atlas of murine and human stem cells observed expression in the cells involved in the formation of bone and/or dental tissues (>0.3 frequency per kilobase of transcript per million mapped reads), likely reflecting functional specialization. Our findings provide biological insight into the polygenic architecture of the pediatric dental maturation process.
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Affiliation(s)
- O. Grgic
- Department of Oral and Maxillofacial
Surgery, ErasmusMC, Rotterdam, The Netherlands
- The Generation R Study, ErasmusMC,
Rotterdam, The Netherlands
| | - V. Prijatelj
- Department of Oral and Maxillofacial
Surgery, ErasmusMC, Rotterdam, The Netherlands
- The Generation R Study, ErasmusMC,
Rotterdam, The Netherlands
| | - A. Dudakovic
- Department of Orthopedic Surgery, Mayo
Clinic, Rochester, MN, USA
| | - S. Vucic
- Department of Oral and Maxillofacial
Surgery, ErasmusMC, Rotterdam, The Netherlands
- The Generation R Study, ErasmusMC,
Rotterdam, The Netherlands
| | - B. Dhamo
- Department of Oral and Maxillofacial
Surgery, ErasmusMC, Rotterdam, The Netherlands
- The Generation R Study, ErasmusMC,
Rotterdam, The Netherlands
| | - K. Trajanoska
- Department of Human Genetics McGill
University, Montréal, Québec, Canada
- Canada Excellence Research Chair in
Genomic Medicine, McGill University, Montréal, Québec, Canada
| | - C. Monnereau
- The Generation R Study, ErasmusMC,
Rotterdam, The Netherlands
| | - M. Zrimsek
- Department of Pathology, Medical
University of Vienna, Vienna, Austria
| | - K.M. Gautvik
- Department of Medical Biochemistry,
Oslo University Hospital, Oslo, Norway
| | - S. Reppe
- Department of Medical Biochemistry,
Oslo University Hospital, Oslo, Norway
| | - E. Shimizu
- Department of Oral Biology, Rutgers
School of Dental Medicine, Newark, NJ, USA
| | - S. Haworth
- Department of Population Health
Sciences, Bristol Medical School, University of Bristol, Bristol, UK
- Bristol Dental School, University of
Bristol, Bristol, UK
- MRC Integrative Epidemiology Unit,
University of Bristol, Bristol, UK
| | - N.J. Timpson
- Department of Population Health
Sciences, Bristol Medical School, University of Bristol, Bristol, UK
- MRC Integrative Epidemiology Unit,
University of Bristol, Bristol, UK
| | - V.W.V. Jaddoe
- The Generation R Study, ErasmusMC,
Rotterdam, The Netherlands
| | - M.-R. Jarvelin
- Faculty of Medicine, Center for Life
Course Health Research, University of Oulu, Oulu, Finland
- Faculty of Medicine, School of Public
Health, Imperial College, London, UK
| | - D. Evans
- MRC Integrative Epidemiology Unit,
University of Bristol, Bristol, UK
- Diamantina Institute, The University
of Queensland, Brisbane, Australia
- Institute for Molecular Bioscience,
The University of Queensland, Brisbane, Australia
| | | | - E.M. Ongkosuwito
- Dentistry, Section Orthodontics and
Craniofacial Biology, Radboud University Medical Center, Nijmegen, The
Netherlands
| | - A.J. van Wijnen
- Department of Biochemistry,
University of Vermont, Burlington, VT, USA
| | - C. Medina-Gomez
- The Generation R Study, ErasmusMC,
Rotterdam, The Netherlands
| | - F. Rivadeneira
- Department of Oral and Maxillofacial
Surgery, ErasmusMC, Rotterdam, The Netherlands
- The Generation R Study, ErasmusMC,
Rotterdam, The Netherlands
| | - E.B. Wolvius
- Department of Oral and Maxillofacial
Surgery, ErasmusMC, Rotterdam, The Netherlands
- The Generation R Study, ErasmusMC,
Rotterdam, The Netherlands
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Suzuki A, Yoshioka H, Liu T, Gull A, Singh N, Le T, Zhao Z, Iwata J. Crucial Roles of microRNA-16-5p and microRNA-27b-3p in Ameloblast Differentiation Through Regulation of Genes Associated With Amelogenesis Imperfecta. Front Genet 2022; 13:788259. [PMID: 35401675 PMCID: PMC8990915 DOI: 10.3389/fgene.2022.788259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 03/11/2022] [Indexed: 11/13/2022] Open
Abstract
Amelogenesis imperfecta is a congenital disorder within a heterogeneous group of conditions characterized by enamel hypoplasia. Patients suffer from early tooth loss, social embarrassment, eating difficulties, and pain due to an abnormally thin, soft, fragile, and discolored enamel with poor aesthetics and functionality. The etiology of amelogenesis imperfecta is complicated by genetic interactions. To identify mouse amelogenesis imperfecta-related genes (mAIGenes) and their respective phenotypes, we conducted a systematic literature review and database search and found and curated 70 mAIGenes across all of the databases. Our pathway enrichment analysis indicated that these genes were enriched in tooth development-associated pathways, forming four distinct groups. To explore how these genes are regulated and affect the phenotype, we predicted microRNA (miRNA)-gene interaction pairs using our bioinformatics pipeline. Our miRNA regulatory network analysis pinpointed that miR-16-5p, miR-27b-3p, and miR-23a/b-3p were hub miRNAs. The function of these hub miRNAs was evaluated through ameloblast differentiation assays with/without the candidate miRNA mimics using cultured mouse ameloblast cells. Our results revealed that overexpression of miR-16-5p and miR-27b-3p, but not miR-23a/b-3p, significantly inhibited ameloblast differentiation through regulation of mAIGenes. Thus, our study shows that miR-16-5p and miR-27b-3p are candidate pathogenic miRNAs for amelogenesis imperfecta.
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Affiliation(s)
- Akiko Suzuki
- Department of Diagnostic and Biomedical Sciences, School of Dentistry, The University of Texas Health Science Center at Houston, Houston, TX, United States
- Center for Craniofacial Research, The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Hiroki Yoshioka
- Department of Diagnostic and Biomedical Sciences, School of Dentistry, The University of Texas Health Science Center at Houston, Houston, TX, United States
- Center for Craniofacial Research, The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Teng Liu
- Center for Precision Health, School of Biomedical Informatics, The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Aania Gull
- Department of Diagnostic and Biomedical Sciences, School of Dentistry, The University of Texas Health Science Center at Houston, Houston, TX, United States
- Center for Craniofacial Research, The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Naina Singh
- Center for Craniofacial Research, The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Thanh Le
- Department of Diagnostic and Biomedical Sciences, School of Dentistry, The University of Texas Health Science Center at Houston, Houston, TX, United States
- Center for Craniofacial Research, The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Zhongming Zhao
- Center for Precision Health, School of Biomedical Informatics, The University of Texas Health Science Center at Houston, Houston, TX, United States
- Human Genetics Center, School of Public Health, The University of Texas Health Science Center at Houston, Houston, TX, United States
- MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX, United States
| | - Junichi Iwata
- Department of Diagnostic and Biomedical Sciences, School of Dentistry, The University of Texas Health Science Center at Houston, Houston, TX, United States
- Center for Craniofacial Research, The University of Texas Health Science Center at Houston, Houston, TX, United States
- MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX, United States
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5
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Safari S, Ebadifar A, Najmabadi H, Kamali K, Abedini SS, Mousavi M. Detection of a rare AXIN2 variant in an Iranian family with hypodontia and oligodontia. J Dent Res Dent Clin Dent Prospects 2022; 16:107-111. [PMID: 36561383 PMCID: PMC9763662 DOI: 10.34172/joddd.2022.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 02/04/2022] [Indexed: 11/07/2022] Open
Abstract
Background. Hypodontia, or the absence of one or more teeth during tooth formation, is a highly prevalent dental anomaly. Nevertheless, the main causes are still unknown. Mutations in PAX9, MSX1, WNT10A, and AXIN2 genes are most commonly associated with non-syndromic tooth agenesis in the literature. This study investigated these candidate genes in an Iranian family with non-syndromic hypodontia and oligodontia. Methods. Peripheral blood samples of the proband and her family members were collected, and DNA extractions using the salting-out method were carried out. In addition, polymerase chain reaction (PCR) and Sanger sequencing for candidate genes were performed. Results. A missense variant (rs4904210) was identified in the PAX9 gene, with one heterozygous missense variant (rs2240308) and one stop-gained variant (rs121908568) in the AXIN2 gene. Conclusion. By surveying similar studies and analyzing the variant in bioinformatics websites, we concluded that the heterozygous stop-gained variant rs121908568 in exon 8 of the AXIN2 gene could be responsible for tooth agenesis in the Iranian population.
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Affiliation(s)
| | - Asghar Ebadifar
- Dentofacial Deformities Research Center, Research Institute of Dental Sciences, Department of Orthodontic, Faculty of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran,Corresponding author: Asghar Ebadifar,
| | - Hossien Najmabadi
- Genetic Research Centre, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
| | - Koorosh Kamali
- Department of Public Health, School of Public Health, Zanjan University of Medical Sciences, Zanjan, Iran
| | | | - Mohammad Mousavi
- Dentofacial Deformities Research Center, Research Institute of Dental Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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6
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Bhol CS, Patil S, Sahu BB, Patra SK, Bhutia SK. The clinical significance and correlative signaling pathways of paired box gene 9 in development and carcinogenesis. Biochim Biophys Acta Rev Cancer 2021; 1876:188561. [PMID: 33965511 DOI: 10.1016/j.bbcan.2021.188561] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 04/29/2021] [Accepted: 04/29/2021] [Indexed: 12/17/2022]
Abstract
Paired box 9 (PAX9) gene belongs to the PAX family, which encodes a family of metazoan transcription factors documented by a conserved DNA binding paired domain 128-amino-acids, critically essential for physiology and development. It is primarily expressed in embryonic tissues, such as the pharyngeal pouch endoderm, somites, neural crest-derived mesenchyme, and distal limb buds. PAX9 plays a vital role in craniofacial development by maintaining the odontogenic potential, mutations, and polymorphisms associated with the risk of tooth agenesis, hypodontia, and crown size in dentition. The loss-of-function of PAX9 in the murine model resulted in a short life span due to the arrest of cleft palate formation and skeletal abnormalities. According to recent studies, the PAX9 gene has a significant role in maintaining squamous cell differentiation, odontoblast differentiation of pluripotent stem cells, deregulation of which is associated with tumor initiation, and malignant transformation. Moreover, PAX9 contributes to promoter hypermethylation and alcohol- induced oro-esophageal squamous cell carcinoma mediated by downregulation of differentiation and apoptosis. Likewise, PAX9 activation is also reported to be associated with drug sensitivity. In summary, this current review aims to understand PAX9 function in the regulation of development, differentiation, and carcinogenesis, along with the underlying signaling pathways for possible cancer therapeutics.
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Affiliation(s)
- Chandra Sekhar Bhol
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Rourkela, 769008, Odisha, India
| | - Shankargouda Patil
- Department of Maxillofacial Surgery and Diagnostic Sciences, Division of Oral Pathology, College of Dentistry, Jazan University, Jazan, Saudi Arabia
| | - Binod Bihari Sahu
- Plant Immunity Laboratory, Department of Life Science, National Institute of Technology Rourkela, Rourkela, 769008, Odisha, India
| | - Samir Kumar Patra
- Epigenetics and Cancer Research Laboratory, Department of Life Science, National Institute of Technology Rourkela, Rourkela, 769008, Odisha, India
| | - Sujit Kumar Bhutia
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Rourkela, 769008, Odisha, India.
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7
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Kataoka K, Fujita H, Isa M, Gotoh S, Arasaki A, Ishida H, Kimura R. The human EDAR 370V/A polymorphism affects tooth root morphology potentially through the modification of a reaction-diffusion system. Sci Rep 2021; 11:5143. [PMID: 33664401 PMCID: PMC7933414 DOI: 10.1038/s41598-021-84653-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 02/15/2021] [Indexed: 01/31/2023] Open
Abstract
Morphological variations in human teeth have long been recognized and, in particular, the spatial and temporal distribution of two patterns of dental features in Asia, i.e., Sinodonty and Sundadonty, have contributed to our understanding of the human migration history. However, the molecular mechanisms underlying such dental variations have not yet been completely elucidated. Recent studies have clarified that a nonsynonymous variant in the ectodysplasin A receptor gene (EDAR 370V/A; rs3827760) contributes to crown traits related to Sinodonty. In this study, we examined the association between the EDAR polymorphism and tooth root traits by using computed tomography images and identified that the effects of the EDAR variant on the number and shape of roots differed depending on the tooth type. In addition, to better understand tooth root morphogenesis, a computational analysis for patterns of tooth roots was performed, assuming a reaction-diffusion system. The computational study suggested that the complicated effects of the EDAR polymorphism could be explained when it is considered that EDAR modifies the syntheses of multiple related molecules working in the reaction-diffusion dynamics. In this study, we shed light on the molecular mechanisms of tooth root morphogenesis, which are less understood in comparison to those of tooth crown morphogenesis.
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Affiliation(s)
- Keiichi Kataoka
- Department of Human Biology and Anatomy, Graduate School of Medicine, University of the Ryukyus, Okinawa, 903-0215, Japan
- Department of Oral and Maxillofacial Functional Rehabilitation, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
| | - Hironori Fujita
- Astrobiology Center, National Institutes of Natural Sciences, Tokyo, Japan
- National Institute for Basic Biology, National Institutes of Natural Sciences, Aichi, Japan
- Department of Basic Biology, School of Life Science, SOKENDAI (The Graduate School for Advanced Studies), Aichi, Japan
| | - Mutsumi Isa
- Department of Human Biology and Anatomy, Graduate School of Medicine, University of the Ryukyus, Okinawa, 903-0215, Japan
| | - Shimpei Gotoh
- Department of Human Biology and Anatomy, Graduate School of Medicine, University of the Ryukyus, Okinawa, 903-0215, Japan
- Department of Oral and Maxillofacial Functional Rehabilitation, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
| | - Akira Arasaki
- Department of Oral and Maxillofacial Functional Rehabilitation, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
| | - Hajime Ishida
- Department of Human Biology and Anatomy, Graduate School of Medicine, University of the Ryukyus, Okinawa, 903-0215, Japan
| | - Ryosuke Kimura
- Department of Human Biology and Anatomy, Graduate School of Medicine, University of the Ryukyus, Okinawa, 903-0215, Japan.
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Gerber JT, Dos Santos KM, Brum BK, Petinati MFP, Meger MN, da Costa DJ, Elsalanty M, Küchler EC, Scariot R. Odontogenesis-related candidate genes involved in variations of permanent teeth size. Clin Oral Investig 2021; 25:4481-4494. [PMID: 33651240 DOI: 10.1007/s00784-020-03760-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 12/21/2020] [Indexed: 01/03/2023]
Abstract
OBJECTIVE The aim of the study was to evaluate the association between genetic polymorphisms in RUNX2, BMP4, BMP2, TGFβ1, EGF, and SMAD6 and variations in permanent tooth size (TS). MATERIALS AND METHODS This cross-sectional study evaluated 110 individuals' dental casts to determine the maximum tooth crown size of all fully erupted permanent teeth (third molars were excluded) in the mesiodistal (MD) and buccolingual (BL) dimensions. Genomic DNA was obtained from the epithelial cells of the oral mucosa to evaluate the genetic polymorphisms in RUNX2 (rs59983488 and rs1200425), BMP4 (rs17563), BMP2 (rs235768 and rs1005464), TGFβ1 (rs1800470), EGF (rs4444903), and SMAD6 (rs2119261 and rs3934908) through real-time PCR. The data were submitted to statistical analysis with a significance level of 0.05. RESULTS The genetic polymorphisms rs59983488, rs1200425, rs17563, rs235768, rs1005464, rs1800470, and rs4444903 were associated with MD and BL TS of the upper and lower arches (p < 0.05). The polymorphism rs2119261 was associated with variation in TS only in the upper arch (p < 0.05). The rs3934908 was not associated with any TS measurement (p > 0.05). CONCLUSIONS In summary, this study reports novel associations between variation in permanent TS and genetic polymorphisms in RUNX2, BMP4, BMP2, TGFβ1, EGF, and SMAD6 indicating a possible role of these genes in dental morphology. CLINICAL RELEVANCE Polymorphisms in odontogenesis-related genes may be involved in dental morphology enabling a prediction of permanent TS variability. The knowledge regarding genes involved in TS might impact the personalized dental treatment, considering that patients' genetic profile would soon be introduced into clinical practice to improve patient management.
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Affiliation(s)
- Jennifer Tsi Gerber
- School of Health Sciences, Positivo University, 5300 Professor Pedro Viriato Parigot de Souza Street, Campo Comprido, Curitiba, PR, 81280-330, Brazil
| | - Katheleen Miranda Dos Santos
- School of Health Sciences, Positivo University, 5300 Professor Pedro Viriato Parigot de Souza Street, Campo Comprido, Curitiba, PR, 81280-330, Brazil
| | - Bruna Karas Brum
- School of Health Sciences, Positivo University, 5300 Professor Pedro Viriato Parigot de Souza Street, Campo Comprido, Curitiba, PR, 81280-330, Brazil
| | - Maria Fernanda Pivetta Petinati
- School of Health Sciences, Positivo University, 5300 Professor Pedro Viriato Parigot de Souza Street, Campo Comprido, Curitiba, PR, 81280-330, Brazil
| | - Michelle Nascimento Meger
- School of Health Sciences, Positivo University, 5300 Professor Pedro Viriato Parigot de Souza Street, Campo Comprido, Curitiba, PR, 81280-330, Brazil
| | - Delson João da Costa
- Department of Stomatology, School of Dentistry, Federal University of Parana, 632 Prefeito Lothario Meissner Avenue, Curitiba, PR, 80210-170, Brazil
| | - Mohammed Elsalanty
- Department of Medical and Anatomical Sciences, College of Ostheopathic Medicine of the Pacific, Western Universitiy, 615 E 3rd St, Pomona, CA, 91766, 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, Ribeirao Preto, SP, 14040-904, Brazil
| | - Rafaela Scariot
- Department of Stomatology, School of Dentistry, Federal University of Parana, 632 Prefeito Lothario Meissner Avenue, Curitiba, PR, 80210-170, Brazil.
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9
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Pak B, Schmitt CE, Oh S, Kim JD, Choi W, Han O, Kim M, Kim MJ, Ham HJ, Kim S, Huh TL, Kim JI, Jin SW. Pax9 is essential for granulopoiesis but dispensable for erythropoiesis in zebrafish. Biochem Biophys Res Commun 2020; 534:359-366. [PMID: 33256983 DOI: 10.1016/j.bbrc.2020.11.077] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 11/17/2020] [Indexed: 11/26/2022]
Abstract
Paired Box (Pax) gene family, a group of transcription regulators have been implicated in diverse physiological processes. However, their role during hematopoiesis which generate a plethora of blood cells remains largely unknown. Using a previously reported single cell transcriptomics data, we analyzed the expression of individual Pax family members in hematopoietic cells in zebrafish. We have identified that Pax9, which is an essential regulator for odontogenesis and palatogenesis, is selectively localized within a single cluster of the hematopoietic lineage. To further analyze the function of Pax9 in hematopoiesis, we generated two independent pax9 knock-out mutants using the CRISPR-Cas9 technique. We found that Pax9 appears to be an essential regulator for granulopoiesis but dispensable for erythropoiesis during development, as lack of pax9 selectively decreased the number of neutrophils with a concomitant decrease in the expression level of neutrophil markers. In addition, embryos, where pax9 was functionally disrupted by injecting morpholinos, failed to increase the number of neutrophils in response to pathogenic bacteria, suggesting that Pax9 is not only essential for developmental granulopoiesis but also emergency granulopoiesis. Due to the inability to initiate emergency granulopoiesis, innate immune responses were severely compromised in pax9 morpholino-mediated embryos, increasing their susceptibility and mortality. Taken together, our data indicate that Pax9 is essential for granulopoiesis and promotes innate immunity in zebrafish larvae.
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Affiliation(s)
- Boryeong Pak
- Cell Logistics Research Center and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
| | - Chris E Schmitt
- Yale Cardiovascular Research Center and Section of Cardiovascular Medicine, Dept. of Internal Medicine, Yale University School of Medicine, New Haven, CT, 06511, USA; Curriculum in Genetics and Molecular Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Sera Oh
- Cell Logistics Research Center and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
| | - Jun-Dae Kim
- Yale Cardiovascular Research Center and Section of Cardiovascular Medicine, Dept. of Internal Medicine, Yale University School of Medicine, New Haven, CT, 06511, USA; Center for Cardiovascular Regeneration, Department of Cardiovascular Sciences, Houston Methodist Research Institute, TX, USA
| | - Woosoung Choi
- Cell Logistics Research Center and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
| | - Orjin Han
- Cell Logistics Research Center and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
| | - Minjung Kim
- Cell Logistics Research Center and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
| | - Myoung-Jin Kim
- School of Life Science and Biotechnology, Kyungpook National University, Daegu, Republic of Korea
| | - Hyung-Jin Ham
- School of Life Science and Biotechnology, Kyungpook National University, Daegu, Republic of Korea
| | - Shanghyeon Kim
- Cell Logistics Research Center and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
| | - Tae-Lin Huh
- School of Life Science and Biotechnology, Kyungpook National University, Daegu, Republic of Korea
| | - Jae-Il Kim
- Cell Logistics Research Center and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
| | - Suk-Won Jin
- Cell Logistics Research Center and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea; Yale Cardiovascular Research Center and Section of Cardiovascular Medicine, Dept. of Internal Medicine, Yale University School of Medicine, New Haven, CT, 06511, USA.
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Alkhatib R, Obeidat B, Al-Eitan L, Abdo N, Obeidat F, Aman H. Family-based association study of genetic analysis of paired box gene 9 polymorphisms in the peg-shaped teeth in the Jordanian Arab population. Arch Oral Biol 2020; 121:104966. [PMID: 33197803 DOI: 10.1016/j.archoralbio.2020.104966] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 10/22/2020] [Accepted: 10/24/2020] [Indexed: 11/25/2022]
Abstract
OBJECTIVE The aim of this study is to genotype thirteen Single Nucleotide Polymorphisms (SNPs) within the paired box gene 9 (PAX9) in 36 Jordanian Arab families with peg-shaped teeth, and also to investigate the association between the PAX9 gene and peg-shaped teeth disorder. METHODS Genomic DNA samples were extracted from families according to distinguished processes. Then, DNA was amplified by polymerase chain reaction technique (PCR) using specified primers for the exons of the PAX9 gene. In addition, single nucleotide polymorphisms analysis was conducted using the DNA sequencing genotyping method to identify specific single nucleotide polymorphisms in the PAX9 gene associated with peg-shaped teeth. RESULTS Thirteen single nucleotide polymorphisms in the PAX9 gene (Chromosome 14q13.3) were used; seven of them (rs104894467, rs104894469, rs28933373, rs28933970, rs28933971, rs28933972, and rs7143727) were non-polymorphic, and the other six were polymorphic (rs2073244, rs2073246, rs2295222, rs4904155, rs4904210, and rs12881240). Both rs12881240 and rs2295222 SNPs showed significant association with peg-shaped teeth disorder (P < 0.05). Moreover, the haplotype genetic analysis revealed that there is a genetic association with peg-shaped teeth disorder susceptibility (P < 0.05) in the Jordanian families of Arab descent. CONCLUSION Our findings exhibited significant variations compared to the data recorded from other countries.
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Affiliation(s)
- Rami Alkhatib
- Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, Irbid 22110, Jordan.
| | - Bayan Obeidat
- Department of Applied Biological Sciences, Jordan University of Science and Technology, Irbid 22110, Jordan
| | - Laith Al-Eitan
- Department of Applied Biological Sciences, Jordan University of Science and Technology, Irbid 22110, Jordan
| | - Nour Abdo
- Department of Public Health, Faculty of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan
| | - Fadi Obeidat
- Jordanian Royal Medical Services, Department of Dentistry, Irbid, Jordan
| | - Hatem Aman
- Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, Irbid 22110, Jordan
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11
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Cunha AS, Vertuan Dos Santos L, Schaffer Pugsley Baratto S, Abbasoglu Z, Gerber JT, Paza A, Matsumoto MAN, Scariot R, Stuani MB, Küchler EC. Human permanent tooth sizes are associated with genes encoding oestrogen receptors. J Orthod 2020; 48:24-32. [PMID: 32985343 DOI: 10.1177/1465312520958710] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
OBJECTIVE To evaluate if genetic polymorphisms in the oestrogen receptor 1 (ESR1) and oestrogen receptor 2 (ESR2) genes encoded for oestrogen receptors alpha (ERα) and beta (ERβ) are involved in permanent tooth size. DESIGN Cross-sectional study. SETTING Orthodontic Clinic at School of Dentistry of Ribeirão Preto, University of São Paulo. PARTICIPANTS A total of 108 orthodontic patients. MATERIALS AND METHODS Pre-treatment orthodontic records were evaluated. Dental casts were used to determine the maximum crown measurements of fully erupted permanent teeth in the mesiodistal dimensions. Second and third molars were not included in the analysis. Genomic DNA samples were used for the genotyping of four genetic polymorphisms: ESR1 (rs9340799 and rs2234693) and ESR2 (rs1256049 and rs4986938). The associations between tooth size and sex were evaluated using t test. The associations between tooth size and genotype were analysed with linear regression and adjusted by sex at an alpha of P⩽0.05. RESULTS Female patients presented smaller tooth size than male patients. A statistically significant difference was observed in almost all teeth (P<0.05). The genetic polymorphisms in rs9340799, rs2234693, rs1256049 and rs4986938 were associated with some tooth sizes in both the maxilla and mandible (P<0.05). CONCLUSION This study provides evidence that genetic polymorphisms in ESR1 and ESR2 could be associated with tooth size in permanent teeth.
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Affiliation(s)
- Arthur S Cunha
- Department of Orthodontics, School of Dentistry, State University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Luiza Vertuan Dos Santos
- Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | | | - Zerrin Abbasoglu
- Department of Pediatric Dentistry, Yeditepe University, Istanbul, Turkey
| | - Jennifer Tsi Gerber
- School of Health and Biological Sciences, Universidade Positivo, Curitiba, Brazil
| | - Aleysson Paza
- School of Dentistry, Univille University, Joinville, Brazil
| | - Mírian Aiko Nakane Matsumoto
- Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Rafaela Scariot
- School of Health and Biological Sciences, Universidade Positivo, Curitiba, Brazil
| | - Maria Bernadete Stuani
- Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
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12
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Cunha AS, Dos Santos LV, Marañón-Vásquez GA, Kirschneck C, Gerber JT, Stuani MB, Matsumoto MAN, Vieira AR, Scariot R, Küchler EC. Genetic variants in tooth agenesis-related genes might be also involved in tooth size variations. Clin Oral Investig 2020; 25:1307-1318. [PMID: 32648061 DOI: 10.1007/s00784-020-03437-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Accepted: 06/26/2020] [Indexed: 02/06/2023]
Abstract
OBJECTIVE The present study aimed to evaluate if genetic variants in PAX9, MSX1, TGFα, FGF3, FGF10, FGF13, GLI2 and GLI3 are involved in TS of permanent teeth. MATERIALS AND METHODS Pretreatment dental records from orthodontic patients were assessed prior to recruitment. Patients with tooth agenesis and congenital anomalies (including oral cleft) and/or syndromes were excluded. Dental casts were used to measure the maximum crown dimensions of all fully erupted permanent teeth except second and third molars in mesiodistal direction. Teeth with caries, occlusal wear, mesiodistal restorations, and obvious deformities were not evaluated. Genomic DNA samples were used for genotyping. The allelic discrimination of 13 genetic variants was performed. The associations between TS and genotype were analyzed by linear regression, adjusted by gender at a significance level of p ≤ 0.05. RESULTS Genetic polymorphisms in the tooth agenesis-related genes studied here were associated with increased and decreased TS, in both maxilla and mandible (p < 0.05). CONCLUSION This study reported associations of novel tooth agenesis-related gene variants with permanent tooth size variations. CLINICAL RELEVANCE The presence of some genetic variants could allow the prediction of permanent tooth size.
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Affiliation(s)
- Arthur S Cunha
- Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo, Avenida do Café s/n - Campus da USP, Sao Paulo, 4040-904, Brazil.
| | - Luiza Vertuan Dos Santos
- Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo, Avenida do Café s/n - Campus da USP, Sao Paulo, 4040-904, Brazil
| | - Guido Artemio Marañón-Vásquez
- Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo, Avenida do Café s/n - Campus da USP, Sao Paulo, 4040-904, Brazil
| | - Christian Kirschneck
- Department of Orthodontics, University Medical Centre of Regensburg, Franz-Josef-Strauss-Allee 11, 93053, Regensburg, Germany
| | | | - Maria Bernadete Stuani
- Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo, Avenida do Café s/n - Campus da USP, Sao Paulo, 4040-904, 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, Sao Paulo, 4040-904, 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
| | - Rafaela Scariot
- Department of Stomatology, Federal University of Parana, Curitiba, Paraná, Brazil
| | - 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, Sao Paulo, 4040-904, Brazil.
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Bhalla P, Wysocki CA, van Oers NSC. Molecular Insights Into the Causes of Human Thymic Hypoplasia With Animal Models. Front Immunol 2020; 11:830. [PMID: 32431714 PMCID: PMC7214791 DOI: 10.3389/fimmu.2020.00830] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 04/14/2020] [Indexed: 12/30/2022] Open
Abstract
22q11.2 deletion syndrome (DiGeorge), CHARGE syndrome, Nude/SCID and otofaciocervical syndrome type 2 (OTFCS2) are distinct clinical conditions in humans that can result in hypoplasia and occasionally, aplasia of the thymus. Thymic hypoplasia/aplasia is first suggested by absence or significantly reduced numbers of recent thymic emigrants, revealed in standard-of-care newborn screens for T cell receptor excision circles (TRECs). Subsequent clinical assessments will often indicate whether genetic mutations are causal to the low T cell output from the thymus. However, the molecular mechanisms leading to the thymic hypoplasia/aplasia in diverse human syndromes are not fully understood, partly because the problems of the thymus originate during embryogenesis. Rodent and Zebrafish models of these clinical syndromes have been used to better define the underlying basis of the clinical presentations. Results from these animal models are uncovering contributions of different cell types in the specification, differentiation, and expansion of the thymus. Cell populations such as epithelial cells, mesenchymal cells, endothelial cells, and thymocytes are variably affected depending on the human syndrome responsible for the thymic hypoplasia. In the current review, findings from the diverse animal models will be described in relation to the clinical phenotypes. Importantly, these results are suggesting new strategies for regenerating thymic tissue in patients with distinct congenital disorders.
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Affiliation(s)
- Pratibha Bhalla
- Department of Immunology, The University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Christian A. Wysocki
- Department of Pediatrics, The University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Nicolai S. C. van Oers
- Department of Immunology, The University of Texas Southwestern Medical Center, Dallas, TX, United States
- Department of Pediatrics, The University of Texas Southwestern Medical Center, Dallas, TX, United States
- Department of Microbiology, The University of Texas Southwestern Medical Center, Dallas, TX, United States
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14
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Paul KS, Stojanowski CM, Hughes TE, Brook AH, Townsend GC. Patterns of heritability across the human diphyodont dental complex: Crown morphology of Australian twins and families. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2020; 172:447-461. [DOI: 10.1002/ajpa.24019] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 12/31/2019] [Accepted: 01/27/2020] [Indexed: 12/20/2022]
Affiliation(s)
- Kathleen S. Paul
- Department of Anthropology University of Arkansas Fayetteville Arkansas
| | - Christopher M. Stojanowski
- Center for Bioarchaeological Research, School of Human Evolution and Social Change Arizona State University Tempe Arizona
| | - Toby E. Hughes
- Adelaide Dental School University of Adelaide Adelaide South Australia
| | - Alan H. Brook
- Adelaide Dental School University of Adelaide Adelaide South Australia
- Institute of Dental Surgery Queen Mary University of London London UK
| | - Grant C. Townsend
- Adelaide Dental School University of Adelaide Adelaide South Australia
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Abstract
Background: The relationship between tooth size and stature has been analysed extensively at the interspecies level but has received less attention at the intraspecies level. The relationship between these two parameters does not seem to be the same among modern human populations.Aim: The aim of this study is to analyse the relationship between tooth dimensions and body measurements in the Baka Pygmies.Subjects and methods: Height, weight, and tooth dimensions were obtained for 45 adult Baka females and 17 males from Le Bosquet (Cameroon). Correlations were obtained between the variables and compared to results for other human populations.Results: The Baka population is distinctive in the small number of significant correlations. Only two buccolingual diameters among Baka females show any significant correlation with height. The lack of significant correlations between tooth dimensions and body dimensions among the Baka means that changes in body size are accompanied by random variations in tooth dimensions.Conclusion: The absence of correlations may be accounted for by the impact of environmental effects on the somatic growth of the Baka producing a Pygmy phenotype adapted to live in the forest. It is worth noting that many correlations become significant when sexes are pooled.
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Affiliation(s)
- Fernando V Ramirez-Rozzi
- UMR 7206 CNRS, MNHN UP, 17 pl. Trocadéro, Paris, France.,Faculté de Chirurgie Dentaire, EA 2496, Université Paris, Montrouge, France
| | - Alejandro Romero
- Departamento de Biotecnología, Facultad de Ciencias, Universidad de Alicante, Alicante, Spain
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16
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Stojanowski CM, Paul KS, Seidel AC, Duncan WN, Guatelli‐Steinberg D. Quantitative genetic analyses of postcanine morphological crown variation. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2019; 168:606-631. [DOI: 10.1002/ajpa.23778] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 11/20/2018] [Accepted: 12/26/2018] [Indexed: 01/05/2023]
Affiliation(s)
- Christopher M. Stojanowski
- Center for Bioarchaeological Research School of Human Evolution and Social Change, Arizona State University Tempe Arizona
| | - Kathleen S. Paul
- Center for Bioarchaeological Research School of Human Evolution and Social Change, Arizona State University Tempe Arizona
| | - Andrew C. Seidel
- Center for Bioarchaeological Research School of Human Evolution and Social Change, Arizona State University Tempe Arizona
| | - William N. Duncan
- Department of Sociology and Anthropology East Tennessee State University Johnson City Tennessee
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17
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Shinde GR, Mhaisekar RD, Chaube SH, Barad AN, Bhadange S, Patel HJ. Assessment of Correlation of Growth Hormone Receptor Gene with Tooth Dimensions: A CBCT and Genotyping Study. J Pharm Bioallied Sci 2019; 11:S457-S462. [PMID: 31198387 PMCID: PMC6555364 DOI: 10.4103/jpbs.jpbs_76_19] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Aim: Assessment of root morphology, size, and amount of bone around tooth is essential before starting the orthodontic treatment. The present study aimed to assess the relationship between tooth dimensions with two gene variants of growth hormone (GH), namely rs6184 and rs6180. Materials and Methods: This study was conducted on 218 subjects (males: 104, females: 114) requiring orthodontic treatment. All underwent cone beam computed tomography (CBCT) scan for orthodontic treatment planning with Kodak CBCT machine. In all teeth, crown height (CH), root length (RL), and crown–root ratio were evaluated. Two growth hormone receptor (GHR) variants (rs6184 and rs6180) were genotyped using the TaqMan genotyping assay. Results: The mean CH and RL of all teeth, that is, maxillary and mandibular central incisors, lateral incisor, canine, first premolar, second premolar, first molar, and second molar, were measured. There was no significant difference in males and females (P > 0.05). Allele frequencies of GHR variants for rs6180 and rs6184 were 48.1% and 8.92%, respectively. Multiple regression analysis showed GHR rs6184 association with maxillary central incisor CH, maxillary canine RL, mandibular canine CH, and mandibular first premolar RL (P < 0.05). Conclusion: There was correlation of CH of maxillary and mandibular canine and RL of maxillary canine and mandibular first premolar with GHR rs6184.
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Affiliation(s)
- Gaurav Ramdhan Shinde
- Department of Pedodontics and Preventive Dentistry, SMBT Dental College and Hospital, Sangamner, Maharashtra, India
| | - Rujuta Deelip Mhaisekar
- Department of Periodontology, Vaidik Dental College and Research Centre, Daman, Daman and Diu, India
| | - Shashwati Hargovind Chaube
- Department of Oral Medicine and Radiology, Vyws Dental College and Hospital, Amravati, Maharashtra, India
| | | | - Shivkanya Bhadange
- Department of Periodontics, R.R. Kambe dental college, Akola, Maharashtra, India
| | - Hiralkumar J Patel
- Department of Orthodontics and Dentofacial Orthopedics, Rural Dental College, Pravara Institute of Medical Sciences, Loni, Maharashtra, India
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18
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Zhang T, Zhao X, Hou F, Sun Y, Wu J, Ma T, Zhang X. A novel
PAX9
mutation found in a Chinese patient with hypodontia via whole exome sequencing. Oral Dis 2018; 25:234-241. [DOI: 10.1111/odi.12982] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 08/31/2018] [Accepted: 09/20/2018] [Indexed: 01/22/2023]
Affiliation(s)
- Tingting Zhang
- Department of Oral and Maxillofacial Surgery, School of Stomatology Tianjin Medical University Tianjin China
| | - Xiaoxue Zhao
- Department of Pediatric Dentistry, School of Stomatology Tianjin Medical University Tianjin China
| | - Feifei Hou
- Department of Pediatric Dentistry, School of Stomatology Tianjin Medical University Tianjin China
| | - Yanwei Sun
- Department of Pediatric Dentistry, School of Stomatology Tianjin Medical University Tianjin China
| | - Jing Wu
- Department of Pediatric Dentistry, School of Stomatology Tianjin Medical University Tianjin China
| | - Tengfei Ma
- Department of Pediatric Dentistry, School of Stomatology Tianjin Medical University Tianjin China
| | - Xiangyu Zhang
- Department of Pediatric Dentistry, School of Stomatology Tianjin Medical University Tianjin China
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19
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Grejtakova D, Gabrikova-Dojcakova D, Boronova I, Kyjovska L, Hubcejova J, Fecenkova M, Zigova M, Priganc M, Bernasovska J. WNT10A variants in relation to nonsyndromic hypodontia in eastern Slovak population. J Genet 2018. [DOI: 10.1007/s12041-018-1011-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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20
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Hikita Y, Yamaguchi T, Tomita D, Adel M, Nakawaki T, Katayama K, Maki K, Kimura R. Growth hormone receptor gene is related to root length and tooth length in human teeth. Angle Orthod 2018; 88:575-581. [PMID: 29667468 DOI: 10.2319/092917-659.1] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
OBJECTIVES To examine the relationship between tooth length and growth hormone receptor (GHR) gene variants in a healthy Japanese population. MATERIALS AND METHODS The subjects consisted of 193 Japanese adults (69 men, 124 women), aged 13 to 56 years. Genomic DNA was extracted from saliva and genotyped GHR rs6184 and rs6180 variants using the Taqman genotyping. Computed tomography (CT) images were acquired using a dental cone-beam CT scanner and reconstructed using open-source OsiriX medical image processing software. The maxillary (upper; U) and mandibular (lower, L) central incisors (1), lateral incisors (2), canines (3), first premolars (4), second premolars (5), first molars (6), and second premolars (7) were evaluated. Teeth were assessed for crown height (CH), root length (RL), overall tooth length (C+R), and crown to root ratio (C/R). The relationships between GHR variants and CH, RL, C+R, and C/R were statistically examined. RESULTS The GHR variant rs6184 was associated with the root lengths and tooth length for the upper and lower lateral incisors and upper canines (U2 RL; U3 RL, C+R; L2 RL [ P < .05]). CONCLUSIONS The results indicate that the GHR rs6184 variant is associated with tooth length and ratio dimensions in a Japanese cohort. Further studies utilizing a larger sample size are needed to confirm this finding.
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YAMADA HIROYUKI, TAGAYA AKIRA. Tooth size and its proportional variability in Japanese males with agenesis in permanent dentition. ANTHROPOL SCI 2018. [DOI: 10.1537/ase.180529] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Affiliation(s)
- HIROYUKI YAMADA
- Department of Anatomy, School of Dentistry, Aichi-Gakuin University, Nagoya
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22
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Paul KS, Stojanowski CM. Comparative performance of deciduous and permanent dental morphology in detecting biological relatives. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2017. [DOI: 10.1002/ajpa.23260] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Kathleen S. Paul
- Center for Bioarchaeological Research, School of Human Evolution and Social Change; Arizona State University; Tempe AZ 85287
| | - Christopher M. Stojanowski
- Center for Bioarchaeological Research, School of Human Evolution and Social Change; Arizona State University; Tempe AZ 85287
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23
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Bonczek O, Balcar V, Šerý O. PAX9
gene mutations and tooth agenesis: A review. Clin Genet 2017; 92:467-476. [DOI: 10.1111/cge.12986] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2016] [Revised: 01/30/2017] [Accepted: 01/30/2017] [Indexed: 11/27/2022]
Affiliation(s)
- O. Bonczek
- Laboratory of DNA Diagnostics, Department of Biochemistry, Faculty of Science; Masaryk University; Brno Czech Republic
- Laboratory of Animal Embryology, Institute of Animal Physiology and Genetics; The Academy of Sciences of the Czech Republic; Brno Czech Republic
| | - V.J. Balcar
- Laboratory of Neurochemistry, Bosch Institute and Discipline of Anatomy and Histology, School of medical sciences, Sydney Medical School; The University of Sydney; Sydney NSW Australia
| | - O. Šerý
- Laboratory of DNA Diagnostics, Department of Biochemistry, Faculty of Science; Masaryk University; Brno Czech Republic
- Laboratory of Animal Embryology, Institute of Animal Physiology and Genetics; The Academy of Sciences of the Czech Republic; Brno Czech Republic
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Haddaji Mastouri M, De Coster P, Zaghabani A, Trabelsi S, May Y, Saad A, Coucke P, H’mida Ben Brahim D. Characterization of a novel mutation in PAX9 gene in a family with non-syndromic dental agenesis. Arch Oral Biol 2016; 71:110-116. [DOI: 10.1016/j.archoralbio.2016.07.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2015] [Revised: 07/22/2016] [Accepted: 07/27/2016] [Indexed: 10/21/2022]
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25
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YAMAUCHI TADASHI, KIMURA RYOSUKE, KAWAGUCHI AKIRA, SATO TAKEHIRO, YAMAGUCHI KYOKO, TOMA TAKASHI, MIYAMOTO KIYOTO, FUKASE HITOSHI, YAMAGUCHI TETSUTARO, ISHIDA HAJIME. A comparative study of craniofacial measurements between Ryukyuan and mainland Japanese females using lateral cephalometric images. ANTHROPOL SCI 2016. [DOI: 10.1537/ase.151206] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Affiliation(s)
- TADASHI YAMAUCHI
- Department of Human Biology and Anatomy, Graduate School of Medicine, University of the Ryukyus, Nishihara-cho
| | - RYOSUKE KIMURA
- Department of Human Biology and Anatomy, Graduate School of Medicine, University of the Ryukyus, Nishihara-cho
| | - AKIRA KAWAGUCHI
- Department of Human Biology and Anatomy, Graduate School of Medicine, University of the Ryukyus, Nishihara-cho
| | - TAKEHIRO SATO
- Department of Human Biology and Anatomy, Graduate School of Medicine, University of the Ryukyus, Nishihara-cho
| | - KYOKO YAMAGUCHI
- Department of Human Biology and Anatomy, Graduate School of Medicine, University of the Ryukyus, Nishihara-cho
| | | | | | - HITOSHI FUKASE
- Division of Human Evolution Studies, Graduate School of Medicine, Hokkaido University, Sapporo
| | | | - HAJIME ISHIDA
- Department of Human Biology and Anatomy, Graduate School of Medicine, University of the Ryukyus, Nishihara-cho
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Kimura R, Watanabe C, Kawaguchi A, Kim YI, Park SB, Maki K, Ishida H, Yamaguchi T. Common polymorphisms in WNT10A affect tooth morphology as well as hair shape. Hum Mol Genet 2015; 24:2673-80. [DOI: 10.1093/hmg/ddv014] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2014] [Accepted: 01/16/2015] [Indexed: 11/14/2022] Open
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Yamaguchi T, Kawaguchi A, Kim YI, Haga S, Katayama K, Ishida H, Park SB, Maki K, Kimura R. The role of polymorphisms associated with early tooth eruption in dental and occlusal traits in East Asian populations. Korean J Orthod 2014; 44:96-102. [PMID: 24696826 PMCID: PMC3971131 DOI: 10.4041/kjod.2014.44.2.96] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2013] [Revised: 09/17/2013] [Accepted: 09/17/2013] [Indexed: 11/10/2022] Open
Abstract
OBJECTIVE A recent study suggested that rs6504340, a polymorphism within the homeobox B (HOXB) gene cluster, is associated with the susceptibility for malocclusions in Europeans. The resulting malocclusions require orthodontic treatment. The aim of this study was to investigate the association of rs6504340 and other dentition-implicated polymorphisms with dental and occlusal traits in Korean and Japanese populations. METHODS The study participants included 223 unrelated Koreans from the Busan area and 256 unrelated Japanese individuals from the Tokyo metropolitan area. DNA samples were extracted from saliva specimens. Genotyping for rs6504340 and four single nucleotide polymorphisms (SNPs) that have been shown to be associated with the timing of first tooth eruption and the number of teeth at 1 year of age (rs10506525, rs1956529, rs9674544, and rs8079702) was performed using TaqMan assays. The Index of Orthodontic Treatment Need (IOTN), overjet, overbite, arch length discrepancy, crown sizes, and length and width of the dental arches were measured. Spearman's correlation coefficients were calculated to evaluate relationships between rs6504340 and these dental/occlusal traits. RESULTS We evaluated the aesthetic components and dental health components of the IOTN in the Korean and Japanese populations and found that neither rs6504340 nor the other four SNPs showed any association with dental and occlusal traits in these East Asian populations. CONCLUSIONS These negative results suggest that further research is needed to identify the genetic determinants of malocclusions in order to reach a consensus.
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Affiliation(s)
- Tetsutaro Yamaguchi
- Department of Orthodontics, School of Dentistry, Showa University, Tokyo, Japan
| | - Akira Kawaguchi
- Department of Human Biology and Anatomy, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
| | - Yong-Il Kim
- Department of Orthodontics, School of Dentistry, Pusan National University, Biomedical Research Institute, Pusan National University Hospital, Busan, Korea
| | - Shugo Haga
- Department of Orthodontics, School of Dentistry, Showa University, Tokyo, Japan
| | - Koshu Katayama
- Department of Orthodontics, School of Dentistry, Showa University, Tokyo, Japan
| | - Hajime Ishida
- Department of Human Biology and Anatomy, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
| | - Soo-Byung Park
- Department of Orthodontics, School of Dentistry, Pusan National University, Biomedical Research Institute, Pusan National University Hospital, Busan, Korea
| | - Koutaro Maki
- Department of Orthodontics, School of Dentistry, Showa University, Tokyo, Japan
| | - Ryosuke Kimura
- Department of Human Biology and Anatomy, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
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Mostowska A, Zadurska M, Rakowska A, Lianeri M, Jagodziński PP. NovelPAX9mutation associated with syndromic tooth agenesis. Eur J Oral Sci 2013; 121:403-11. [DOI: 10.1111/eos.12071] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/01/2013] [Indexed: 11/30/2022]
Affiliation(s)
- Adrianna Mostowska
- Department of Biochemistry and Molecular Biology; Poznan University of Medical Sciences; Poznan; Poland
| | - Małgorzata Zadurska
- Department of Orthodontics, Institute of Dentistry; The Medical University of Warsaw; Warsaw; Poland
| | - Adriana Rakowska
- Department of Dermatology; Central Clinical Hospital of Ministry of Internal Affaires; Warsaw; Poland
| | - Margarita Lianeri
- Department of Biochemistry and Molecular Biology; Poznan University of Medical Sciences; Poznan; Poland
| | - Paweł P. Jagodziński
- Department of Biochemistry and Molecular Biology; Poznan University of Medical Sciences; Poznan; Poland
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