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Schliermann A, Nickel J. Unraveling the Connection between Fibroblast Growth Factor and Bone Morphogenetic Protein Signaling. Int J Mol Sci 2018; 19:ijms19103220. [PMID: 30340367 PMCID: PMC6214098 DOI: 10.3390/ijms19103220] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2018] [Revised: 10/07/2018] [Accepted: 10/16/2018] [Indexed: 12/19/2022] Open
Abstract
Ontogeny of higher organisms as well the regulation of tissue homeostasis in adult individuals requires a fine-balanced interplay of regulating factors that individually trigger the fate of particular cells to either stay undifferentiated or to differentiate towards distinct tissue specific lineages. In some cases, these factors act synergistically to promote certain cellular responses, whereas in other tissues the same factors antagonize each other. However, the molecular basis of this obvious dual signaling activity is still only poorly understood. Bone morphogenetic proteins (BMPs) and fibroblast growth factors (FGFs) are two major signal protein families that have a lot in common: They are both highly preserved between different species, involved in essential cellular functions, and their ligands vastly outnumber their receptors, making extensive signal regulation necessary. In this review we discuss where and how BMP and FGF signaling cross paths. The compiled data reflect that both factors synchronously act in many tissues, and that antagonism and synergism both exist in a context-dependent manner. Therefore, by challenging a generalization of the connection between these two pathways a new chapter in BMP FGF signaling research will be introduced.
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Affiliation(s)
- Anna Schliermann
- Lehrstuhl für Tissue Engineering und Regenerative Medizin, Universitätsklinikum Würzburg, Röntgenring 11, 97222 Würzburg, Germany.
| | - Joachim Nickel
- Lehrstuhl für Tissue Engineering und Regenerative Medizin, Universitätsklinikum Würzburg, Röntgenring 11, 97222 Würzburg, Germany.
- Fraunhofer Institut für Silicatforschung, Translationszentrum TLZ-RT, Röntgenring 11, 97222 Würzburg, Germany.
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Williams MA, Biguetti C, Romero-Bustillos M, Maheshwari K, Dinckan N, Cavalla F, Liu X, Silva R, Akyalcin S, Uyguner ZO, Vieira AR, Amendt BA, Fakhouri WD, Letra A. Colorectal Cancer-Associated Genes Are Associated with Tooth Agenesis and May Have a Role in Tooth Development. Sci Rep 2018; 8:2979. [PMID: 29445242 PMCID: PMC5813178 DOI: 10.1038/s41598-018-21368-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Accepted: 02/01/2018] [Indexed: 12/25/2022] Open
Abstract
Previously reported co-occurrence of colorectal cancer (CRC) and tooth agenesis (TA) and the overlap in disease-associated gene variants suggest involvement of similar molecular pathways. Here, we took an unbiased approach and tested genome-wide significant CRC-associated variants for association with isolated TA. Thirty single nucleotide variants (SNVs) in CRC-predisposing genes/loci were genotyped in a discovery dataset composed of 440 individuals with and without isolated TA. Genome-wide significant associations were found between TA and ATF1 rs11169552 (P = 4.36 × 10-10) and DUSP10 rs6687758 (P = 1.25 × 10-9), and positive association found with CASC8 rs10505477 (P = 8.2 × 10-5). Additional CRC marker haplotypes were also significantly associated with TA. Genotyping an independent dataset consisting of 52 cases with TA and 427 controls confirmed the association with CASC8. Atf1 and Dusp10 expression was detected in the mouse developing teeth from early bud stages to the formation of the complete tooth, suggesting a potential role for these genes and their encoded proteins in tooth development. While their individual contributions in tooth development remain to be elucidated, these genes may be considered candidates to be tested in additional populations.
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Affiliation(s)
- Meredith A Williams
- Center for Craniofacial Research, University of Texas Health Science Center School of Dentistry, Houston, 77054, USA
| | - Claudia Biguetti
- Center for Craniofacial Research, University of Texas Health Science Center School of Dentistry, Houston, 77054, USA
- Department of Biological Sciences, University of Sao Paulo Bauru Dental School, Bauru, 17012, Brazil
| | - Miguel Romero-Bustillos
- Iowa Institute for Oral Health, College of Dentistry, University of Iowa, Iowa City, 52242, USA
| | - Kanwal Maheshwari
- Center for Craniofacial Research, University of Texas Health Science Center School of Dentistry, Houston, 77054, USA
| | - Nuriye Dinckan
- Center for Craniofacial Research, University of Texas Health Science Center School of Dentistry, Houston, 77054, USA
- Department of Medical Genetics, School of Medicine, Istanbul University, Istanbul, 34093, Turkey
| | - Franco Cavalla
- Center for Craniofacial Research, University of Texas Health Science Center School of Dentistry, Houston, 77054, USA
- Department of Biological Sciences, University of Sao Paulo Bauru Dental School, Bauru, 17012, Brazil
| | - Xiaoming Liu
- Department of Epidemiology and Human Genetics, University of Texas Health Science Center School of Public Health, Houston, 77054, USA
| | - Renato Silva
- Center for Craniofacial Research, University of Texas Health Science Center School of Dentistry, Houston, 77054, USA
- Department of Endodontics, University of Texas Health Science Center School of Dentistry, Houston, 77054, USA
- Pediatric Research Center, University of Texas Health Science Center McGovern Medical School, Houston, 77054, USA
| | - Sercan Akyalcin
- Department of Orthodontics, Tufts University, Boston, 02111, USA
| | - Z Oya Uyguner
- Department of Medical Genetics, School of Medicine, Istanbul University, Istanbul, 34093, Turkey
| | - Alexandre R Vieira
- Departments of Oral Biology and Pediatric Dentistry, University of Pittsburgh School of Dental Medicine, Pittsburgh, 15229, USA
| | - Brad A Amendt
- Iowa Institute for Oral Health, College of Dentistry, University of Iowa, Iowa City, 52242, USA
- Craniofacial Anomalies Research Center, Carver College of Medicine, University of Iowa, Iowa City, 52242, USA
| | - Walid D Fakhouri
- Center for Craniofacial Research, University of Texas Health Science Center School of Dentistry, Houston, 77054, USA
- Pediatric Research Center, University of Texas Health Science Center McGovern Medical School, Houston, 77054, USA
- Department of Diagnostic and Biomedical Sciences, Sciences University of Texas Health Science Center School of Dentistry, Houston, 77054, USA
| | - Ariadne Letra
- Center for Craniofacial Research, University of Texas Health Science Center School of Dentistry, Houston, 77054, USA.
- Pediatric Research Center, University of Texas Health Science Center McGovern Medical School, Houston, 77054, USA.
- Department of Diagnostic and Biomedical Sciences, Sciences University of Texas Health Science Center School of Dentistry, Houston, 77054, USA.
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Fauzi NH, Ardini YD, Zainuddin Z, Lestari W. A review on non-syndromic tooth agenesis associated with PAX9 mutations. JAPANESE DENTAL SCIENCE REVIEW 2018; 54:30-36. [PMID: 29628999 PMCID: PMC5884223 DOI: 10.1016/j.jdsr.2017.08.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Revised: 06/07/2017] [Accepted: 08/23/2017] [Indexed: 12/14/2022] Open
Abstract
Tooth agenesis in the reduction of tooth number which includes hypodontia, oligodontia and anodontia is caused by disturbances and gene mutations that occur during odontogenesis. To date, several genetic mutations that unlock the causes of non-syndromic tooth agenesis are being discovered; these have been associated with certain illnesses because tooth development involves the interaction of several genes for tooth epithelium and mesenchyme odontogenesis. Mutation of candidate genes PAX9 and MSX1 have been identified as the main causes of hypodontia and oligodontia; meanwhile, AXIN2 mutation is associated with anodontia. Previous study using animal models reported that PAX9-deficient knockout mice exhibit missing molars due to an arrest of tooth development at the bud stage. PAX9 frameshift, missense and nonsense mutations are reported to be responsible; however, the most severe condition showed by the phenotype is caused by haploinsufficiency. This suggests that PAX9 is dosage-sensitive. Understanding the mechanism of genetic mutations will benefit clinicians and human geneticists in future alternative treatment investigations.
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Affiliation(s)
- Nurul Hasyiqin Fauzi
- Department of Biotechnology, Kulliyyah of Science, International Islamic University Malaysia, Malaysia
| | - Yunita Dewi Ardini
- Department of Pediatric Dentistry, Kulliyyah of Dentistry, International Islamic University Malaysia, Malaysia
| | - Zarina Zainuddin
- Department of Plant Science, Kulliyyah of Science, International Islamic University Malaysia, Malaysia
| | - Widya Lestari
- Department of Oral Biology, Kulliyyah of Dentistry, International Islamic University Malaysia, Jalan Sultan Ahmad Shah, Bandar Indera Mahkota, 25200 Kuantan, Pahang, Malaysia
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Abstract
BACKGROUND Dental agenesis is the most common developmental anomaly in humans, frequently associated with disorders in dental development and maturation. AIM The purpose of this study is to determine radiographic variations in dental maturation in a group of Venezuelan children with dental agenesis. STUDY DESIGN 1,188 panoramic radiographs, from healthy patients ages 5 to 12 years old were studied for agenesis of permanent teeth. Dental maturation was assessed by relative eruption and dental age according to Nolla, comparing children affected with dental agenesis to a stratified control group selected from the same population, excluding children with premature loss of primary teeth in the left quadrants and unclear radiographs. Descriptive analysis, and differences between means and medians (Student t test, Kruskall-Wallis p=0.05) were performed. RESULTS Medians for Nolla stages were similar between groups, with delay in tooth formation in the agenesis group for second molars (p<0.05) and maxillary lateral incisors and second premolars. Dental age was significantly underestimated for both groups, -0.89 (±0.78) for the control group and -1.20 (±0.95) for the study group. Tooth eruption was similar between groups. CONCLUSION Dental age was significantly delayed in Venezuelan children with dental agenesis, with variable significance for tooth formation of studied teeth.
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Park MK, Shin MK, Kim SO, Lee HS, Lee JH, Jung HS, Song JS. Prevalence of delayed tooth development and its relation to tooth agenesis in Korean children. Arch Oral Biol 2016; 73:243-247. [PMID: 27810381 DOI: 10.1016/j.archoralbio.2016.10.024] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2016] [Revised: 10/19/2016] [Accepted: 10/23/2016] [Indexed: 02/03/2023]
Abstract
OBJECTIVE The aim of this study was to investigate the epidemiology of delayed tooth development (DTD) and the link between DTD and tooth agenesis (TA). DESIGN The dental maturity of all of the developing permanent teeth of 4611 children (2417 males and 2194 females) was evaluated from panoramic radiographs. The prevalence of DTD and TA was analyzed, and gender difference for DTS and TA was investigated. The correlation of DTD and TA was investigated in intra-fields and inter-fields. RESULTS The total prevalence of DTD among the 4611 children was 3.40%. The maxillary second premolar was the most frequently delayed tooth (1.02%), followed by the maxillary second molar (0.88%) and the mandibular second premolar (0.74%). DTD significantly correlated with TA in both intra-fields and inter-fields (p<0.05). CONCLUSIONS The field of delayed development exhibited a significant correlation with that of TA.
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Affiliation(s)
- Min Kyoung Park
- Department of Pediatric Dentistry, College of Dentistry, Yonsei University, Seoul, Republic of Korea
| | - Min Kyung Shin
- Department of Pediatric Dentistry, College of Dentistry, Yonsei University, Seoul, Republic of Korea
| | - Seong Oh Kim
- Department of Pediatric Dentistry, College of Dentistry, Yonsei University, Seoul, Republic of Korea
| | - Hyo Seol Lee
- Department of Pediatric Dentistry, College of Dentistry, Kyunghee University, Seoul, Republic of Korea
| | - Jae-Ho Lee
- Department of Pediatric Dentistry, College of Dentistry, Yonsei University, Seoul, Republic of Korea
| | - Han-Sung Jung
- Division in Anatomy and Developmental Biology, Department of Oral Biology, College of Dentistry, Yonsei University, Seoul, Republic of Korea
| | - Je Seon Song
- Department of Pediatric Dentistry, College of Dentistry, Yonsei University, Seoul, Republic of Korea.
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Qin H, Cai J. Axis inhibition protein 2 polymorphisms may be a risk factor for families with isolated oligodontia. Mol Med Rep 2014; 11:1899-904. [PMID: 25377791 DOI: 10.3892/mmr.2014.2900] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2014] [Accepted: 10/20/2014] [Indexed: 11/06/2022] Open
Abstract
The objective of the present study was to search for Msh homeobox 1 (MSX1), paired box gene 9 (PAX9), ectodysplasin‑A (EDA) and axis inhibition protein 2 (AXIN2) variants in a family with isolated oligodontia and analyse the pathogenesis of mutations that result in oligodontia phenotypes. Members of a single family (but of different descent) with oligodontia and unrelated healthy controls were enrolled in our study. Genomic DNA was isolated from blood samples. Mutation analysis was performed by amplifying MSX1, PAX9, EDA and AXIN2 exons as well as their exon‑intron boundaries and sequencing the products. DNA sequencing of the AXIN2 gene revealed three mutations in the two patients with oligodontia: a homozygotic silent mutation c.1365A>G (p.Pro455=) in exon 3, two c.956+16A>G mutations (II‑1: homozygosis; III‑1: heterozygosis) and c.1200+71A>G (homozygosis) in the intron, which possibly contributed to structural and functional changes in proteins. The heterozygotic mutations c.1365A>G and c.1200+71A>G were identified in the proband's mother (II‑2). No mutations were detected in the MSX1, PAX9 and EDA genes of oligodontia patients. The findings suggest that the c.956+16A>G, c.1365A>G and c.1200+71A>G mutations of AXIN2 may be responsible for the oligodontia phenotype in this family, but these findings require further study.
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Affiliation(s)
- Han Qin
- Department of Stomatology, The First People's Hospital of Lianyungang City, Lianyungang, Jiangsu 222002, P.R. China
| | - Jun Cai
- Department of Anesthesia, The Third People's Hospital of Lianyungang City, Lianyungang, Jiangsu 222006, P.R. China
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Yao S, Beckley ML, Liu D. Delivery of plasmid DNA into dental tissues of developing rat teeth by electroporation. Methods Mol Biol 2014; 1121:179-188. [PMID: 24510823 DOI: 10.1007/978-1-4614-9632-8_16] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Gene transfer by electroporation is a versatile technique that can effectively deliver DNA or RNA into almost all types of cells or tissues. As a widely used nonviral approach, electroporation possesses several advantages over viral methods including non-immunogenicity and local tissue transfection. We have successfully transferred plasmid DNA and siRNA into the dental tissues of rat developing and unerupted molars using electroporation. This chapter presents a step-by-step electroporation method for transferring plasmid DNA into dental tissues. The parameters and factors affecting transfection efficiency are discussed in Subheading 4 of the chapter for aiding others in designing their experimental protocols. This dental tissue transfection technique provides a useful tool to overexpress the genes of interest to study their functions in tooth development and eruption. It can be used to deliver nucleic acids into dental tissues for development of gene-based therapies to treat dental disorders.
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Affiliation(s)
- Shaomian Yao
- Department of Comparative Biomedical Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA, USA
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