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Awotoye W, Mossey PA, Hetmanski JB, Gowans LJ, Eshete MA, Adeyemo WL, Alade A, Zeng E, Adamson O, James O, Fashina A, Ogunlewe MO, Naicker T, Adeleke C, Busch T, Li M, Petrin A, Oladayo A, Kayali S, Olotu J, Sule V, Hassan M, Pape J, Aladenika ET, Donkor P, Arthur FK, Obiri-Yeboah S, Sabbah DK, Agbenorku P, Ray D, Plange-Rhule G, Oti AA, Albokhari D, Sobreira N, Dunnwald M, Beaty TH, Taub M, Marazita ML, Adeyemo AA, Murray JC, Butali A. Damaging Mutations in AFDN Contribute to Risk of Nonsyndromic Cleft Lip With or Without Cleft Palate. Cleft Palate Craniofac J 2024; 61:697-705. [PMID: 36384317 PMCID: PMC10185709 DOI: 10.1177/10556656221135926] [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: 11/18/2022] Open
Abstract
Novel or rare damaging mutations have been implicated in the developmental pathogenesis of nonsyndromic cleft lip with or without cleft palate (nsCL ± P). Thus, we investigated the human genome for high-impact mutations that could explain the risk of nsCL ± P in our cohorts. We conducted next-generation sequencing (NGS) analysis of 130 nsCL ± P case-parent African trios to identify pathogenic variants that contribute to the risk of clefting. We replicated this analysis using whole-exome sequence data from a Brazilian nsCL ± P cohort. Computational analyses were then used to predict the mechanism by which these variants could result in increased risks for nsCL ± P. We discovered damaging mutations within the AFDN gene, a cell adhesion molecule (CAMs) that was previously shown to contribute to cleft palate in mice. These mutations include p.Met1164Ile, p.Thr453Asn, p.Pro1638Ala, p.Arg669Gln, p.Ala1717Val, and p.Arg1596His. We also discovered a novel splicing p.Leu1588Leu mutation in this protein. Computational analysis suggests that these amino acid changes affect the interactions with other cleft-associated genes including nectins (PVRL1, PVRL2, PVRL3, and PVRL4) CDH1, CTNNA1, and CTNND1. This is the first report on the contribution of AFDN to the risk for nsCL ± P in humans. AFDN encodes AFADIN, an important CAM that forms calcium-independent complexes with nectins 1 and 4 (encoded by the genes PVRL1 and PVRL4). This discovery shows the power of NGS analysis of multiethnic cleft samples in combination with a computational approach in the understanding of the pathogenesis of nsCL ± P.
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Affiliation(s)
- Waheed Awotoye
- Iowa Institute for Oral Health Research, University of Iowa, Iowa City, IA, USA
- Department of Oral Pathology, Radiology and Medicine, College of Dentistry, University of Iowa, Iowa City, IA, USA
| | - Peter A. Mossey
- Department of Orthodontics, University of Dundee, Dundee, UK
| | - Jacqueline B. Hetmanski
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Lord J.J Gowans
- Department of Biochemistry and Biotechnology, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Mekonen A. Eshete
- Addis Ababa University, School Medicine, Surgical Department, Addis Ababa, Ethiopia
| | - Wasiu L. Adeyemo
- Department of Oral and Maxillofacial Surgery, University of Lagos, Lagos Nigeria
| | - Azeez Alade
- Department of Oral Pathology, Radiology and Medicine, College of Dentistry, University of Iowa, Iowa City, IA, USA
- Department of Epidemiology, College of Public Health, University of Iowa, Iowa City, IA, USA
| | - Erliang Zeng
- Division of Biostatistics and Computational Biology, College of Dentistry, University of Iowa, Iowa City, IA, USA
| | - Olawale Adamson
- Department of Oral and Maxillofacial Surgery, University of Lagos, Lagos Nigeria
| | - Olutayo James
- Department of Oral and Maxillofacial Surgery, University of Lagos, Lagos Nigeria
| | - Azeez Fashina
- Department of Oral and Maxillofacial Surgery, University of Lagos, Lagos Nigeria
| | - Modupe O Ogunlewe
- Department of Oral and Maxillofacial Surgery, University of Lagos, Lagos Nigeria
| | - Thirona Naicker
- Department of Pediatrics, University of KwaZulu-Natal, South Africa
| | - Chinyere Adeleke
- Department of Oral Pathology, Radiology and Medicine, College of Dentistry, University of Iowa, Iowa City, IA, USA
| | - Tamara Busch
- Department of Oral Pathology, Radiology and Medicine, College of Dentistry, University of Iowa, Iowa City, IA, USA
| | - Mary Li
- Department of Oral Pathology, Radiology and Medicine, College of Dentistry, University of Iowa, Iowa City, IA, USA
| | - Aline Petrin
- Iowa Institute for Oral Health Research, University of Iowa, Iowa City, IA, USA
| | - Abimbola Oladayo
- Department of Oral Pathology, Radiology and Medicine, College of Dentistry, University of Iowa, Iowa City, IA, USA
| | - Sami Kayali
- Department of Oral Pathology, Radiology and Medicine, College of Dentistry, University of Iowa, Iowa City, IA, USA
| | - Joy Olotu
- Department of Anatomy, University of Port Harcourt
| | - Veronica Sule
- Department of Operative Dentistry, College of Dentistry, University of Iowa, Iowa City, IA, USA
| | - Mohaned Hassan
- Department of Oral Pathology, Radiology and Medicine, College of Dentistry, University of Iowa, Iowa City, IA, USA
| | - John Pape
- Department of Oral Pathology, Radiology and Medicine, College of Dentistry, University of Iowa, Iowa City, IA, USA
| | - Emmanuel T. Aladenika
- Iowa Institute for Oral Health Research, University of Iowa, Iowa City, IA, USA
- Department of Oral Pathology, Radiology and Medicine, College of Dentistry, University of Iowa, Iowa City, IA, USA
| | - Peter Donkor
- Department of Surgery, School of Medicine and Dentistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Fareed K.N. Arthur
- Department of Biochemistry and Biotechnology, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Solomon Obiri-Yeboah
- Department of Maxillofacial Sciences, School of Medicine and Dentistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Daniel K. Sabbah
- Department of Child Oral Health and Orthodontics, School of Medicine and Dentistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Pius Agbenorku
- Department of Surgery, School of Medicine and Dentistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Debashree Ray
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Gyikua Plange-Rhule
- Department of Child Health, School of Medicine and Dentistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Alexander Acheampong Oti
- Department of Maxillofacial Sciences, School of Medicine and Dentistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Daniah Albokhari
- McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University
| | - Nara Sobreira
- McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University
| | | | - Terri H. Beaty
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Margaret Taub
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Mary L. Marazita
- Center for Craniofacial and Dental Genetics, Department of Oral and Craniofacial Sciences, School of Dental Medicine, and Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
| | | | | | - Azeez Butali
- Iowa Institute for Oral Health Research, University of Iowa, Iowa City, IA, USA
- Department of Oral Pathology, Radiology and Medicine, College of Dentistry, University of Iowa, Iowa City, IA, USA
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Abdul NS, Shenoy M, Reddy NR, Sangappa SB, Shivakumar GC, Di Blasio M, Cicciù M, Minervini G. Gene sequencing applications to combat oral-cavity related disorders: a systematic review with meta-analysis. BMC Oral Health 2024; 24:103. [PMID: 38233799 PMCID: PMC10792784 DOI: 10.1186/s12903-023-03541-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 10/14/2023] [Indexed: 01/19/2024] Open
Abstract
Gene sequencing (GS) has numerous applications in combatting oral-cavity related disorders, including identifying genetic risk factors for diseases, developing targeted therapies, and improving diagnostic methods. It can help identify specific genetic mutations or variations that increase the risk of developing oral-cavity related disorders, such as oral cancer, periodontal disease, and cleft lip and palate. By the means of the following investigation, our primary objective was to assess the impact of GS technique in diagnosing and potentially treating diseases of the oral cavity by the means of a systematic review and meta-analysis. We commenced by defining the terms "gene sequencing," "oral cavity," and "disorders" as the important elements in our investigation's subject. Next, relevant databases like PubMed, Scopus, Embase, Web of Science, and Google Scholar were searched using keywords and synonyms for each concept, such as "genomic sequencing," "DNA sequencing," "oral health," "oral diseases," "dental caries," "periodontal disease," "oral cancer," and "salivary gland disorders." We combined several search terms, such as "gene sequencing AND oral disorders AND periodontal disease" or "oral cancer OR genomic sequencing," to further hone your search results using Boolean operators like "AND" and "OR." The oral cavity analysis obtained by CS in the selected articles revealed that most of the disorders were, in fact, a direct causal event influenced by the oral microbiome. Moreover, each sampled oral cavity evidenced a different microbial community, which predicted the precipitation of benign as well as malignant conditions, though not on a definitive basis. In the last ten years, genomic sequencing had advanced remarkably as majority of our selected studies observed, making it possible to diagnose and treat a variety of oral and maxillofacial disorders, including cancer. It was also used to ascertain a person's genetic make-up as well as to spot numerous genetic abnormalities that can predispose individuals to diseases. Understanding the different sequencing techniques and the resulting genetic anomalies may help with their clinical application and lead to an improvement in illness diagnosis and prognosis as a whole in the field of dentistry.
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Affiliation(s)
- Nishath Sayed Abdul
- Faculty of Oral Pathology, Department of OMFS and Diagnostic Sciences, Riyadh Elm University, Riyadh, Kingdom of Saudi Arabia
| | - Mahesh Shenoy
- Faculty of Oral Pathology, Department of OMFS and Diagnostic Sciences, Riyadh Elm University, Riyadh, Kingdom of Saudi Arabia
| | - Naveen Rami Reddy
- Dept of Prosthodontics, College of Dentistry, Jazan University, Jazan, Kingdom of Saudi Arabia
| | - Sunila Bukanakere Sangappa
- Department of Prosthodontics and Crown & Bridge, JSS Dental College and Hospital, JSS Academy of Higher Education and Research, Mysuru, Karnataka, India
| | - Ganiga Channaiah Shivakumar
- Department of Oral Medicine and Radiology, People's College of Dental Sciences and Research Centre, People's University, Bhopal, Madhya Pradesh, India
| | - Marco Di Blasio
- Department of Medicine and Surgery, University Center of Dentistry, University of Parma, 43126, Parma, Italy.
| | - Marco Cicciù
- Department of General Surgery and Surgical-Medical Specialties, School of Dentistry, University of Catania, 95124, Catania, Italy
| | - Giuseppe Minervini
- Saveetha Dental College & Hospitals Saveetha Institute of Medical & Technical Sciences, Saveetha University, 600 077, Chennai, India.
- Multidisciplinary Department of Medical-Surgical and Dental Specialties, University of Campania "Luigi Vanvitelli", Caserta, 81100, Italy.
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Wu C, Liu H, Zhan Z, Zhang X, Zhang M, You J, Ma J. Unveiling dysregulated lncRNAs and networks in non-syndromic cleft lip with or without cleft palate pathogenesis. Sci Rep 2024; 14:1047. [PMID: 38200098 PMCID: PMC10781966 DOI: 10.1038/s41598-024-51747-8] [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: 09/20/2023] [Accepted: 01/09/2024] [Indexed: 01/12/2024] Open
Abstract
Non-syndromic cleft lip with or without cleft palate (NSCL/P) is a common congenital facial malformation with a complex, incompletely understood origin. Long noncoding RNAs (lncRNAs) have emerged as pivotal regulators of gene expression, potentially shedding light on NSCL/P's etiology. This study aimed to identify critical lncRNAs and construct regulatory networks to unveil NSCL/P's underlying molecular mechanisms. Integrating gene expression profiles from the Gene Expression Omnibus (GEO) database, we pinpointed 30 dysregulated NSCL/P-associated lncRNAs. Subsequent analyses enabled the creation of competing endogenous RNA (ceRNA) networks, lncRNA-RNA binding protein (RBP) interaction networks, and lncRNA cis and trans regulation networks. RT-qPCR was used to examine the regulatory networks of lncRNA in vivo and in vitro. Furthermore, protein levels of lncRNA target genes were validated in human NSCL/P tissue samples and murine palatal shelves. Consequently, two lncRNAs and three mRNAs: FENDRR (log2FC = - 0.671, P = 0.040), TPT1-AS1 (log2FC = 0.854, P = 0.003), EIF3H (log2FC = - 1.081, P = 0.041), RBBP6 (log2FC = 0.914, P = 0.037), and SRSF1 (log2FC = 0.763, P = 0.026) emerged as potential contributors to NSCL/P pathogenesis. Functional enrichment analyses illuminated the biological functions and pathways associated with these lncRNA-related networks in NSCL/P. In summary, this study comprehensively delineates the dysregulated transcriptional landscape, identifies associated lncRNAs, and reveals pivotal sub-networks relevant to NSCL/P development, aiding our understanding of its molecular progression and setting the stage for further exploration of lncRNA and mRNA regulation in NSCL/P.
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Affiliation(s)
- Caihong Wu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Department of Orthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
- Stomatological Hospital affiliated Suzhou Vocational Health College, Suzhou, China
| | - Haojie Liu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Department of Orthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Zhuorong Zhan
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Department of Orthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Xinyu Zhang
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Department of Orthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Mengnan Zhang
- Department of Orthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Jiawen You
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Department of Orthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Junqing Ma
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China.
- Department of Orthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China.
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Sun B, Reynolds K, Saha SK, Zhang S, McMahon M, Zhou CJ. Ezh2-dependent methylation in oral epithelia promotes secondary palatogenesis. Birth Defects Res 2023; 115:1851-1865. [PMID: 37435868 PMCID: PMC10784412 DOI: 10.1002/bdr2.2216] [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: 03/31/2023] [Revised: 05/30/2023] [Accepted: 06/12/2023] [Indexed: 07/13/2023]
Abstract
BACKGROUND In addition to genomic risk variants and environmental influences, increasing evidence suggests epigenetic modifications are important for orofacial development and their alterations can contribute to orofacial clefts. Ezh2 encodes a core catalytic component of the Polycomb repressive complex responsible for addition of methyl marks to Histone H3 as a mechanism of repressing target genes. The role of Ezh2 in orofacial clefts remains unknown. AIMS To investigate the epithelial role of Ezh2-dependent methylation in secondary palatogenesis. METHODS We used conditional gene-targeting methods to ablate Ezh2 in the surface ectoderm-derived oral epithelium of mouse embryos. We then performed single-cell RNA sequencing combined with immunofluorescence and RT-qPCR to investigate gene expression in conditional mutant palate. We also employed double knockout analyses of Ezh1 and Ezh2 to address if they have synergistic roles in palatogenesis. RESULTS We found that conditional inactivation of Ezh2 in oral epithelia results in partially penetrant cleft palate. Double knockout analyses revealed that another family member Ezh1 is dispensable in orofacial development, and it does not have synergistic roles with Ezh2 in palatogenesis. Histochemistry and single-cell RNA-seq analyses revealed dysregulation of cell cycle regulators in the palatal epithelia of Ezh2 mutant mouse embryos disrupts palatogenesis. CONCLUSION Ezh2-dependent histone H3K27 methylation represses expression of cell cycle regulator Cdkn1a and promotes proliferation in the epithelium of the developing palatal shelves. Loss of this regulation may perturb movement of the palatal shelves, causing a delay in palate elevation which may result in failure of the secondary palate to close altogether.
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Affiliation(s)
| | | | - Subbroto Kuma Saha
- Institute for Pediatric Regenerative Medicine of Shriners Hospital for Children – Northern California & Department of Biochemistry and Molecular Medicine, School of Medicine, University of California at Davis, Sacramento, CA 95817, USA
| | - Shuwen Zhang
- Institute for Pediatric Regenerative Medicine of Shriners Hospital for Children – Northern California & Department of Biochemistry and Molecular Medicine, School of Medicine, University of California at Davis, Sacramento, CA 95817, USA
| | - Moira McMahon
- Institute for Pediatric Regenerative Medicine of Shriners Hospital for Children – Northern California & Department of Biochemistry and Molecular Medicine, School of Medicine, University of California at Davis, Sacramento, CA 95817, USA
| | - Chengji J Zhou
- Institute for Pediatric Regenerative Medicine of Shriners Hospital for Children – Northern California & Department of Biochemistry and Molecular Medicine, School of Medicine, University of California at Davis, Sacramento, CA 95817, USA
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van der Zanden LFM, Maj C, Borisov O, van Rooij IALM, Quaedackers JSLT, Steffens M, Schierbaum L, Schneider S, Waffenschmidt L, Kiemeney LALM, de Wall LLL, Heilmann S, Hofmann A, Gehlen J, Schumacher J, Szczepanska M, Taranta-Janusz K, Kroll P, Krzemien G, Szmigielska A, Schreuder MF, Weber S, Zaniew M, Roeleveld N, Reutter H, Feitz WFJ, Hilger AC. Genome-wide association study in patients with posterior urethral valves. Front Pediatr 2022; 10:988374. [PMID: 36238604 PMCID: PMC9552614 DOI: 10.3389/fped.2022.988374] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 08/19/2022] [Indexed: 11/13/2022] Open
Abstract
Congenital lower urinary tract obstructions (LUTO) are most often caused by posterior urethral valves (PUV), a male limited anatomical obstruction of the urethra affecting 1 in 4,000 male live births. Little is known about the genetic background of PUV. Here, we report the largest genome-wide association study (GWAS) for PUV in 4 cohorts of patients and controls. The final meta-analysis included 756 patients and 4,823 ethnicity matched controls and comprised 5,754,208 variants that were genotyped or imputed and passed quality control in all 4 cohorts. No genome-wide significant locus was identified, but 33 variants showed suggestive significance (P < 1 × 10-5). When considering only loci with multiple variants residing within < 10 kB of each other showing suggestive significance and with the same effect direction in all 4 cohorts, 3 loci comprising a total of 9 variants remained. These loci resided on chromosomes 13, 16, and 20. The present GWAS and meta-analysis is the largest genetic study on PUV performed to date. The fact that no genome-wide significant locus was identified, can be explained by lack of power or may indicate that common variants do not play a major role in the etiology of PUV. Nevertheless, future studies are warranted to replicate and validate the 3 loci that yielded suggestive associations.
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Affiliation(s)
- Loes F. M. van der Zanden
- Department for Health Evidence, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Carlo Maj
- Institute for Genomic Statistics and Bioinformatics, Medical Faculty, University of Bonn, Bonn, Germany
| | - Oleg Borisov
- Institute for Genomic Statistics and Bioinformatics, Medical Faculty, University of Bonn, Bonn, Germany
| | - Iris A. L. M. van Rooij
- Department for Health Evidence, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | | | | | - Luca Schierbaum
- Institute of Human Genetics, School of Medicine and University Hospital Bonn, University of Bonn, Bonn, Germany
| | - Sophia Schneider
- Institute of Human Genetics, School of Medicine and University Hospital Bonn, University of Bonn, Bonn, Germany
| | - Lea Waffenschmidt
- Institute of Human Genetics, School of Medicine and University Hospital Bonn, University of Bonn, Bonn, Germany
| | - Lambertus A. L. M. Kiemeney
- Department for Health Evidence, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Liesbeth L. L. de Wall
- Division of Pediatric Urology, Department of Urology, Radboud Institute for Molecular Life Sciences, Radboudumc Amalia Children's Hospital, Nijmegen, Netherlands
| | - Stefanie Heilmann
- Institute of Human Genetics, School of Medicine and University Hospital Bonn, University of Bonn, Bonn, Germany
| | - Aybike Hofmann
- Department of Pediatric Urology, Clinic St. Hedwig, University Medical Center Regensburg, Regensburg, Germany
| | - Jan Gehlen
- Center for Human Genetics, University Hospital of Marburg, Marburg, Germany
| | | | - Maria Szczepanska
- Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Zabrze, Poland
| | | | - Pawel Kroll
- Neurourology Unit, Pediatric Surgery and Urology Clinic, Poznań, Poland
| | - Grazyna Krzemien
- Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw, Poland
| | - Agnieszka Szmigielska
- Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw, Poland
| | - Michiel F. Schreuder
- Department of Pediatric Nephrology, Radboud Institute for Molecular Life Sciences, Radboudumc Amalia Children's Hospital, Nijmegen, Netherlands
| | - Stefanie Weber
- University Children Hospital Marburg, Philipps University Marburg, Marburg, Germany
| | - Marcin Zaniew
- Department of Pediatrics, University of Zielona Góra, Zielona Góra, Poland
| | - Nel Roeleveld
- Department for Health Evidence, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Heiko Reutter
- Division of Neonatology and Pediatric Intensive Care, Department of Pediatrics and Adolescent Medicine, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany
| | - Wout F. J. Feitz
- Division of Pediatric Urology, Department of Urology, Radboud Institute for Molecular Life Sciences, Radboudumc Amalia Children's Hospital, Nijmegen, Netherlands
| | - Alina C. Hilger
- Institute of Human Genetics, School of Medicine and University Hospital Bonn, University of Bonn, Bonn, Germany
- Department of Pediatrics and Adolescent Medicine, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany
- Research Center on Rare Kidney Diseases, University Hospital Erlangen, Erlangen, Germany
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Yu Y, Alvarado R, Petty LE, Bohlender RJ, Shaw DM, Below JE, Bejar N, Ruiz OE, Tandon B, Eisenhoffer GT, Kiss DL, Huff CD, Letra A, Hecht JT. Polygenic risk impacts PDGFRA mutation penetrance in non-syndromic cleft lip and palate. Hum Mol Genet 2022; 31:2348-2357. [PMID: 35147171 PMCID: PMC9307317 DOI: 10.1093/hmg/ddac037] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 02/03/2022] [Accepted: 02/04/2022] [Indexed: 11/12/2022] Open
Abstract
Non-syndromic cleft lip with or without cleft palate (NSCL/P) is a common, severe craniofacial malformation that imposes significant medical, psychosocial and financial burdens. NSCL/P is a multifactorial disorder with genetic and environmental factors playing etiologic roles. Currently, only 25% of the genetic variation underlying NSCL/P has been identified by linkage, candidate gene and genome-wide association studies. In this study, whole-genome sequencing and genome-wide genotyping followed by polygenic risk score (PRS) and linkage analyses were used to identify the genetic etiology of NSCL/P in a large three-generation family. We identified a rare missense variant in PDGFRA (c.C2740T; p.R914W) as potentially etiologic in a gene-based association test using pVAAST (P = 1.78 × 10-4) and showed decreased penetrance. PRS analysis suggested that variant penetrance was likely modified by common NSCL/P risk variants, with lower scores found among unaffected carriers. Linkage analysis provided additional support for PRS-modified penetrance, with a 7.4-fold increase in likelihood after conditioning on PRS. Functional characterization experiments showed that the putatively causal variant was null for signaling activity in vitro; further, perturbation of pdgfra in zebrafish embryos resulted in unilateral orofacial clefting. Our findings show that a rare PDGFRA variant, modified by additional common NSCL/P risk variants, have a profound effect on NSCL/P risk. These data provide compelling evidence for multifactorial inheritance long postulated to underlie NSCL/P and may explain some unusual familial patterns.
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Affiliation(s)
- Yao Yu
- Department of Epidemiology, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Rolando Alvarado
- Center for RNA Therapeutics, Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, TX 77030, USA
- Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, TX 77030, USA
| | - Lauren E Petty
- Vanderbilt Genetics Institute, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Ryan J Bohlender
- Department of Epidemiology, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Douglas M Shaw
- Vanderbilt Genetics Institute, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Jennifer E Below
- Vanderbilt Genetics Institute, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Nada Bejar
- Center for RNA Therapeutics, Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, TX 77030, USA
- Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, TX 77030, USA
| | - Oscar E Ruiz
- Department of Genetics, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Bhavna Tandon
- Department of Pediatrics and Pediatric Research Center, UTHealth McGovern Medical School, Houston, TX 77030, USA
| | - George T Eisenhoffer
- Department of Genetics, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Daniel L Kiss
- Center for RNA Therapeutics, Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, TX 77030, USA
- Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, TX 77030, USA
| | - Chad D Huff
- Department of Epidemiology, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Ariadne Letra
- Department of Diagnostic and Biomedical Sciences, UTHealth School of Dentistry at Houston, Houston, TX 77054, USA
- Center for Craniofacial Research, UTHealth School of Dentistry at Houston, Houston 77054, TX, USA
| | - Jacqueline T Hecht
- Department of Pediatrics and Pediatric Research Center, UTHealth McGovern Medical School, Houston, TX 77030, USA
- Center for Craniofacial Research, UTHealth School of Dentistry at Houston, Houston 77054, TX, USA
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7
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Whole-genome sequencing reveals de-novo mutations associated with nonsyndromic cleft lip/palate. Sci Rep 2022; 12:11743. [PMID: 35817949 PMCID: PMC9273634 DOI: 10.1038/s41598-022-15885-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 04/22/2022] [Indexed: 11/08/2022] Open
Abstract
The majority (85%) of nonsyndromic cleft lip with or without cleft palate (nsCL/P) cases occur sporadically, suggesting a role for de novo mutations (DNMs) in the etiology of nsCL/P. To identify high impact protein-altering DNMs that contribute to the risk of nsCL/P, we conducted whole-genome sequencing (WGS) analyses in 130 African case-parent trios (affected probands and unaffected parents). We identified 162 high confidence protein-altering DNMs some of which are based on available evidence, contribute to the risk of nsCL/P. These include novel protein-truncating DNMs in the ACTL6A, ARHGAP10, MINK1, TMEM5 and TTN genes; as well as missense variants in ACAN, DHRS3, DLX6, EPHB2, FKBP10, KMT2D, RECQL4, SEMA3C, SEMA4D, SHH, TP63, and TULP4. Many of these protein-altering DNMs were predicted to be pathogenic. Analysis using mouse transcriptomics data showed that some of these genes are expressed during the development of primary and secondary palate. Gene-set enrichment analysis of the protein-altering DNMs identified palatal development and neural crest migration among the few processes that were significantly enriched. These processes are directly involved in the etiopathogenesis of clefting. The analysis of the coding sequence in the WGS data provides more evidence of the opportunity for novel findings in the African genome.
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Gowans LJJ, Comnick CL, Mossey PA, Eshete MA, Adeyemo WL, Naicker T, Awotoye WA, Petrin A, Adeleke C, Donkor P, Busch TD, James O, Ogunlewe MO, Li M, Olotu J, Hassan M, Adeniyan OA, Obiri-Yeboah S, Arthur FKN, Agbenorku P, Oti AA, Olatosi O, Adamson OO, Fashina AA, Zeng E, Marazita ML, Adeyemo AA, Murray JC, Butali A. Genome-Wide Scan for Parent-of-Origin Effects in a sub-Saharan African Cohort With Nonsyndromic Cleft Lip and/or Cleft Palate (CL/P). Cleft Palate Craniofac J 2022; 59:841-851. [PMID: 34382870 PMCID: PMC9884465 DOI: 10.1177/10556656211036316] [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: 01/31/2023] Open
Abstract
OBJECTIVE Nonsyndromic cleft lip and/or cleft palate (NSCL/P) have multifactorial etiology where genetic factors, gene-environment interactions, stochastic factors, gene-gene interactions, and parent-of-origin effects (POEs) play cardinal roles. POEs arise when the parental origin of alleles differentially impacts the phenotype of the offspring. The aim of this study was to identify POEs that can increase risk for NSCL/P in humans using a genome-wide dataset. METHODS The samples (174 case-parent trios from Ghana, Ethiopia, and Nigeria) included in this study were from the African only genome wide association studies (GWAS) that was published in 2019. Genotyping of individual DNA using over 2 million multiethnic and African ancestry-specific single-nucleotide polymorphisms from the Illumina Multi-Ethnic Genotyping Array v2 15070954 A2 (genome build GRCh37/hg19) was done at the Center for Inherited Diseases Research. After quality control checks, PLINK was employed to carry out POE analysis employing the pooled subphenotypes of NSCL/P. RESULTS We observed possible hints of POEs at a cluster of genes at a 1 mega base pair window at the major histocompatibility complex class 1 locus on chromosome 6, as well as at other loci encompassing candidate genes such as ASB18, ANKEF1, AGAP1, GABRD, HHAT, CCT7, DNMT3A, EPHA7, FOXO3, lncRNAs, microRNA, antisense RNAs, ZNRD1, ZFAT, and ZBTB16. CONCLUSION Findings from our study suggest that some loci may increase the risk for NSCL/P through POEs. Additional studies are required to confirm these suggestive loci in NSCL/P etiology.
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Affiliation(s)
- LJJ Gowans
- Department of Biochemistry and Biotechnology, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana,School of Medicine and Dentistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana,Department of Oral Pathology, Radiology and Medicine, College of Dentistry, University of Iowa, Iowa, IA, USA
| | - CL Comnick
- Division of Biostatistics and Computational Biology, College of Dentistry, University of Iowa, Iowa City, IA, USA
| | - PA Mossey
- Department of Orthodontics, University of Dundee, Dundee, UK
| | - MA Eshete
- Department of Surgery, School of Medicine, Addis Ababa University, Addis Ababa, Ethiopia
| | - WL Adeyemo
- Department of Oral and Maxillofacial Surgery, University of Lagos, Akoka, Lagos, Nigeria
| | - T Naicker
- Department of Pediatrics, University of KwaZulu-Natal and Inkosi Albert Luthuli Central Hospital, South Africa
| | - WA Awotoye
- Department of Oral Pathology, Radiology and Medicine, College of Dentistry, University of Iowa, Iowa, IA, USA
| | - A Petrin
- Department of Oral Pathology, Radiology and Medicine, College of Dentistry, University of Iowa, Iowa, IA, USA
| | - C Adeleke
- Department of Oral Pathology, Radiology and Medicine, College of Dentistry, University of Iowa, Iowa, IA, USA
| | - P Donkor
- School of Medicine and Dentistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - TD Busch
- Department of Oral Pathology, Radiology and Medicine, College of Dentistry, University of Iowa, Iowa, IA, USA
| | - O James
- Department of Oral and Maxillofacial Surgery, University of Lagos, Akoka, Lagos, Nigeria
| | - MO Ogunlewe
- Department of Oral and Maxillofacial Surgery, University of Lagos, Akoka, Lagos, Nigeria
| | - M Li
- Department of Oral Pathology, Radiology and Medicine, College of Dentistry, University of Iowa, Iowa, IA, USA
| | - J Olotu
- Department of Anatomy, University of Port Harcourt, Nigeria
| | - M Hassan
- Department of Oral Pathology, Radiology and Medicine, College of Dentistry, University of Iowa, Iowa, IA, USA
| | - OA Adeniyan
- NHS Foundation Trust (Queens Hospital, Belvedere Road, Burton-On-Trent), Staffordshire, UK
| | - S Obiri-Yeboah
- School of Medicine and Dentistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - FKN Arthur
- Department of Biochemistry and Biotechnology, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - P Agbenorku
- School of Medicine and Dentistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - AA Oti
- School of Medicine and Dentistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - O Olatosi
- Center for Craniofacial and Dental Genetics, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - OO Adamson
- Department of Oral and Maxillofacial Surgery, University of Lagos, Akoka, Lagos, Nigeria
| | - AA Fashina
- Department of Oral and Maxillofacial Surgery, University of Lagos, Akoka, Lagos, Nigeria
| | - E Zeng
- Division of Biostatistics and Computational Biology, College of Dentistry, University of Iowa, Iowa City, IA, USA
| | - ML Marazita
- Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA,Clinical and Translational Science Institute, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - AA Adeyemo
- Center for Research on Genomics and Global Health, National Human Genome Research Institute, Bethesda, MD, USA
| | - JC Murray
- Department of Pediatrics, University of Iowa, Iowa, IA, USA
| | - A Butali
- Department of Oral Pathology, Radiology and Medicine, College of Dentistry, University of Iowa, Iowa, IA, USA
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陈 曦, 王 斯, 薛 恩, 王 雪, 彭 和, 范 梦, 王 梦, 武 轶, 秦 雪, 李 劲, 吴 涛, 朱 洪, 李 静, 周 治, 陈 大, 胡 永. [Exploring the association between de novo mutations and non-syndromic cleft lip with or without palate based on whole exome sequencing of case-parent trios]. BEIJING DA XUE XUE BAO. YI XUE BAN = JOURNAL OF PEKING UNIVERSITY. HEALTH SCIENCES 2022; 54:387-393. [PMID: 35701113 PMCID: PMC9197716 DOI: 10.19723/j.issn.1671-167x.2022.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Indexed: 06/15/2023]
Abstract
OBJECTIVE To explore the association between de novo mutations (DNM) and non-syndromic cleft lip with or without palate (NSCL/P) using case-parent trio design. METHODS Whole-exome sequencing was conducted for twenty-two NSCL/P trios and Genome Analysis ToolKit (GATK) was used to identify DNM by comparing the alleles of the cases and their parents. Information of predictable functions was annotated to the locus with SnpEff. Enrichment analysis for DNM was conducted to test the difference between the actual number and the expected number of DNM, and to explore whether there were genes with more DNM than expected. NSCL/P-related genes indicated by previous studies with solid evidence were selected by literature reviewing. Protein-protein interactions analysis was conducted among the genes with protein-altering DNM and NSCL/P-related genes. R package "denovolyzeR" was used for the enrichment analysis (Bonferroni correction: P=0.05/n, n is the number of genes in the whole genome range). Protein-protein interactions among genes with DNM and genes with solid evidence on the risk factors of NSCL/P were predicted depending on the information provided by STRING database. RESULTS A total of 339 908 SNPs were qualified for the subsequent analysis after quality control. The number of high confident DNM identified by GATK was 345. Among those DNM, forty-four DNM were missense mutations, one DNM was nonsense mutation, two DNM were splicing site mutations, twenty DNM were synonymous mutations and others were located in intron or intergenic regions. The results of enrichment analysis showed that the number of protein-altering DNM on the exome regions was larger than expected (P < 0.05), and five genes (KRTCAP2, HMCN2, ANKRD36C, ADGRL2 and DIPK2A) had more DNM than expected (P < 0.05/(2×19 618)). Protein-protein interaction analysis was conducted among forty-six genes with protein-altering DNM and thirteen genes associated with NSCL/P selected by literature reviewing. Six pairs of interactions occurred between the genes with DNM and known NSCL/P-related genes. The score measuring the confidence level of the predicted interaction between RGPD4 and SUMO1 was 0.868, which was higher than the scores for other pairs of genes. CONCLUSION Our study provided novel insights into the development of NSCL/P and demonstrated that functional analyses of genes carrying DNM were warranted to understand the genetic architecture of complex diseases.
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Affiliation(s)
- 曦 陈
- 北京大学公共卫生学院流行病与卫生统计学系,北京 100191Department of Epidemiology and Biostatistics, Peking University School of Public Health, Beijing 100191, China
| | - 斯悦 王
- 北京大学公共卫生学院流行病与卫生统计学系,北京 100191Department of Epidemiology and Biostatistics, Peking University School of Public Health, Beijing 100191, China
| | - 恩慈 薛
- 北京大学公共卫生学院流行病与卫生统计学系,北京 100191Department of Epidemiology and Biostatistics, Peking University School of Public Health, Beijing 100191, China
| | - 雪珩 王
- 北京大学公共卫生学院流行病与卫生统计学系,北京 100191Department of Epidemiology and Biostatistics, Peking University School of Public Health, Beijing 100191, China
| | - 和香 彭
- 北京大学公共卫生学院流行病与卫生统计学系,北京 100191Department of Epidemiology and Biostatistics, Peking University School of Public Health, Beijing 100191, China
| | - 梦 范
- 北京大学公共卫生学院流行病与卫生统计学系,北京 100191Department of Epidemiology and Biostatistics, Peking University School of Public Health, Beijing 100191, China
| | - 梦莹 王
- 北京大学公共卫生学院流行病与卫生统计学系,北京 100191Department of Epidemiology and Biostatistics, Peking University School of Public Health, Beijing 100191, China
| | - 轶群 武
- 北京大学公共卫生学院流行病与卫生统计学系,北京 100191Department of Epidemiology and Biostatistics, Peking University School of Public Health, Beijing 100191, China
| | - 雪英 秦
- 北京大学公共卫生学院流行病与卫生统计学系,北京 100191Department of Epidemiology and Biostatistics, Peking University School of Public Health, Beijing 100191, China
| | - 劲 李
- 北京大学公共卫生学院流行病与卫生统计学系,北京 100191Department of Epidemiology and Biostatistics, Peking University School of Public Health, Beijing 100191, China
| | - 涛 吴
- 北京大学公共卫生学院流行病与卫生统计学系,北京 100191Department of Epidemiology and Biostatistics, Peking University School of Public Health, Beijing 100191, China
| | - 洪平 朱
- 北京大学口腔医学院·口腔医院口腔颌面外科,国家口腔医学中心,国家口腔疾病临床医学研究中心,口腔生物材料和数字诊疗装备国家工程研究中心,口腔数字医学北京市重点实验室,国家卫生健康委员会口腔医学计算机应用工程技术研究中心,国家药品监督管理局口腔生物材料重点实验室,北京 100081Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology & NHC Research Center of Engineering and Technology for Computerized Dentistry & NMPA Key Laboratory for Dental Materials, Beijing 100081, China
| | - 静 李
- 北京大学口腔医学院·口腔医院儿童口腔科,国家口腔医学中心,国家口腔疾病临床医学研究中心,口腔生物材料和数字诊疗装备国家工程研究中心,口腔数字医学北京市重点实验室,国家卫生健康委员会口腔医学计算机应用工程技术研究中心,国家药品监督管理局口腔生物材料重点实验室,北京 100081Department of Pediatric Dentistry, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology & NHC Research Center of Engineering and Technology for Computerized Dentistry & NMPA Key Laboratory for Dental Materials, Beijing 100081, China
| | - 治波 周
- 北京大学口腔医学院·口腔医院口腔颌面外科,国家口腔医学中心,国家口腔疾病临床医学研究中心,口腔生物材料和数字诊疗装备国家工程研究中心,口腔数字医学北京市重点实验室,国家卫生健康委员会口腔医学计算机应用工程技术研究中心,国家药品监督管理局口腔生物材料重点实验室,北京 100081Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology & NHC Research Center of Engineering and Technology for Computerized Dentistry & NMPA Key Laboratory for Dental Materials, Beijing 100081, China
| | - 大方 陈
- 北京大学公共卫生学院流行病与卫生统计学系,北京 100191Department of Epidemiology and Biostatistics, Peking University School of Public Health, Beijing 100191, China
| | - 永华 胡
- 北京大学公共卫生学院流行病与卫生统计学系,北京 100191Department of Epidemiology and Biostatistics, Peking University School of Public Health, Beijing 100191, China
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Mukhopadhyay N, Feingold E, Moreno-Uribe L, Wehby G, Valencia-Ramirez LC, Muñeton CPR, Padilla C, Deleyiannis F, Christensen K, Poletta FA, Orioli IM, Hecht JT, Buxó CJ, Butali A, Adeyemo WL, Vieira AR, Shaffer JR, Murray JC, Weinberg SM, Leslie EJ, Marazita ML. Genome-wide association study of multiethnic nonsyndromic orofacial cleft families identifies novel loci specific to family and phenotypic subtypes. Genet Epidemiol 2022; 46:182-198. [PMID: 35191549 PMCID: PMC9086172 DOI: 10.1002/gepi.22447] [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: 10/06/2021] [Revised: 01/06/2022] [Accepted: 01/20/2022] [Indexed: 11/11/2022]
Abstract
Nonsyndromic orofacial clefts (OFCs) are among the most common craniofacial birth defects worldwide, and known to exhibit phenotypic and genetic heterogeneity. Cleft lip plus cleft palate (CLP) and cleft lip only (CL) are commonly combined together as one phenotype (CL/P), separately from cleft palate alone. In comparison, our study analyzes CL and CLP separately. A sample of 2218 CL and CLP cases, 4537 unaffected relatives of cases, and 2673 pure controls with no family history of OFC were selected from the Pittsburgh Orofacial Cleft (Pitt-OFC) multiethnic study.genome-wide association studies were run for seven specific phenotypes created based on the cleft type(s) observed within these families, as well as the combined CL/P phenotype. Five novel genome-wide significant associations, 3q29 (rs62284390), 5p13.2 (rs609659), 7q22.1 (rs6465810), 19p13.3 (rs628271), and 20q13.33 (rs2427238), and nine associations (p ≤ 1.0E-05) within previously confirmed OFC loci-PAX7, IRF6, FAM49A, DCAF4L2, 8q24.21, ARID3B, NTN1, TANC2 and the WNT9B:WNT3 gene cluster-were observed. We also found that single nucleotide polymorphisms within a subset of the associated loci, both previously known and novel, differ substantially in terms of their effects across cleft- or family-specific phenotypes, indicating not only etiologic differences between CL and CLP, but also genetic heterogeneity within each of the two OFC subtypes.
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Affiliation(s)
- Nandita Mukhopadhyay
- Center for Craniofacial and Dental Genetics, Department of Oral and Craniofacial Sciences, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, 15219 USA
| | - Eleanor Feingold
- Center for Craniofacial and Dental Genetics, Department of Oral and Craniofacial Sciences, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, 15219 USA
- Department of Biostatistics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
- Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
| | - Lina Moreno-Uribe
- Department of Orthodontics, & The Iowa Institute for Oral Health Research, College of Dentistry, University of Iowa, Iowa City, IA, USA
| | - George Wehby
- Department of Health Management and Policy, College of Public Health, University of Iowa, Iowa City, IA, USA
| | | | | | - Carmencita Padilla
- Department of Pediatrics, College of Medicine, Institute of Human Genetics, National Institutes of Health, University of the Philippines, Manila, the Philippines
| | | | - Kaare Christensen
- Unit of Epidemiology, Department of Public Health, University of Southern Denmark, Odense, Denmark
| | - Fernando A. Poletta
- CEMIC-CONICET: Center for Medical Education and Clinical Research, Buenos Aires, Argentina
| | - Ieda M Orioli
- Department of Genetics, Institute of Biology, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- Instituto Nacional de Genética Médica Populacional INAGEMP, Porto Alegre, Brazil
| | - Jacqueline T. Hecht
- Department of Pediatrics, University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Carmen J. Buxó
- Dental and Craniofacial Genomics Core, School of Dental Medicine, University of Puerto Rico, San Juan, Puerto Rico
| | - Azeez Butali
- Department of Oral Pathology, Radiology and Medicine and Iowa Institute for Oral Health Research, College of Dentistry, University of Iowa, Iowa City, IA, USA
| | - Wasiu L. Adeyemo
- Department of Oral and Maxillofacial Surgery, College of Medicine, University of Lagos, Lagos, Nigeria
| | - Alexandre R. Vieira
- Center for Craniofacial and Dental Genetics, Department of Oral and Craniofacial Sciences, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, 15219 USA
| | - John R. Shaffer
- Center for Craniofacial and Dental Genetics, Department of Oral and Craniofacial Sciences, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, 15219 USA
- Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
| | - Jeffrey C. Murray
- Department of Pediatrics, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Seth M. Weinberg
- Center for Craniofacial and Dental Genetics, Department of Oral and Craniofacial Sciences, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, 15219 USA
- Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
| | - Elizabeth J. Leslie
- Department of Human Genetics, Emory University School of Medicine, Atlanta, GA, USA
| | - Mary L. Marazita
- Center for Craniofacial and Dental Genetics, Department of Oral and Craniofacial Sciences, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, 15219 USA
- Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
- Clinical and Translational Science, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
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Uncovering the Pathogenesis of Orofacial Clefts Using Bioinformatics Analysis. J Craniofac Surg 2022; 33:1971-1975. [PMID: 35142735 DOI: 10.1097/scs.0000000000008560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 01/27/2022] [Indexed: 11/26/2022] Open
Abstract
OBJECTIVE Many genes have been found to be associated with the occurrence of the orofacial clefts (OFC). The links between these pathogenic genes are rarely studied. In this study, bioinformatics analysis were performed in order to find associations between OFC-related genes and provide new ideas for etiology study of OFCs. METHODS Orofacial clefts-related genes were searched and identified from the Online Mendelian Inheritance of Man (OMIM.org). These genes were then analyzed by bioinformatics methods, including protein-protein interaction network, functional enrichment analysis, module analysis, and hub genes analysis. RESULTS After searching the database of OMIM.org and removing duplicate results, 279 genes were finally obtained. These genes were involved to 369 pathways in biological process, 56 in cell component, 64 in molecular function, and 45 in the Kyoto Encyclopedia of Genes and Genomes. Most identified genes were significantly enriched in embryonic appendage morphogenesis (29.17%), embryonic limb morphogenesis (6.06%), and limb development (4.33%) for biological process (Fig. 5A); ciliary tip (42.86%), MKS complex (28.57%), ciliary basal body (14.29%), and ciliary membrane (14.29%) for cell component. The top 10 hub genes were identified, including SHH, GLI2, PTCH1, SMAD4, FGFR1, BMP4, SOX9, SOX2, RUNX2, and CDH1. CONCLUSIONS Bioinformatics methods were used to analyze OFC-related genes in this study, including hub gene identifying and analysis, protein-protein interaction network construction, and functional enrichment analysis. Several potential mechanisms related to occurrence of OFCs were also discussed. These results may be helpful for further studies of the etiology of OFC.
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Li M, Wang H. Pathway analysis identified a significant association between cell-cell adherens junctions-related genes and non-syndromic cleft lip/palate in 895 Asian case-parent trios. Arch Oral Biol 2022; 136:105384. [DOI: 10.1016/j.archoralbio.2022.105384] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 01/14/2022] [Accepted: 02/15/2022] [Indexed: 12/31/2022]
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Association between PTCH1 and RAD54B Single-Nucleotide Polymorphisms and Non-syndromic Orofacial Clefts in the Northeast Population of Iran. Avicenna J Med Biotechnol 2022; 14:310-316. [PMID: 36504563 PMCID: PMC9706251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 06/05/2022] [Indexed: 12/15/2022] Open
Abstract
Background Non-Syndromic Cleft Lip with or without cleft Palate (NSCL/P) is a common developmental disorder of the head and neck with a multifactorial etiology. The current study aimed to evaluate the potential association of PTCH1 (rs10512248) and RAD54B (rs12681366) polymorphisms with NSCL/P in the Northeast Iranian population. Methods In the present study, blood samples were taken from 122 subjects with NSCL/P and 161 healthy controls. Polymerase Chain Reaction (PCR) followed by Restriction Fragment Length Polymorphism (RFLP) were used to conduct genotyping of single-nucleotide polymorphisms. Results Although differences were observed between cases and controls in rs10512248 and rs12681366, our data did not support a significant association of these polymorphisms with NSCL/P in our population. Conclusion Our findings suggest that polymorphisms of rs10512248 and rs12681366 may not be potential risk factors for NSCL/P in the Northeast Iranian population due to the multifactorial and multiethnicity characteristics of some genes.
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Knol MJ, Pawlak MA, Lamballais S, Terzikhan N, Hofer E, Xiong Z, Klaver CCW, Pirpamer L, Vernooij MW, Ikram MA, Schmidt R, Kayser M, Evans TE, Adams HHH. Genetic architecture of orbital telorism. Hum Mol Genet 2021; 31:1531-1543. [PMID: 34791242 PMCID: PMC9071440 DOI: 10.1093/hmg/ddab334] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 11/09/2021] [Accepted: 11/10/2021] [Indexed: 11/19/2022] Open
Abstract
The interocular distance, or orbital telorism, is a distinctive craniofacial trait that also serves as a clinically informative measure. While its extremes, hypo- and hypertelorism, have been linked to monogenic disorders and are often syndromic, little is known about the genetic determinants of interocular distance within the general population. We derived orbital telorism measures from cranial magnetic resonance imaging by calculating the distance between the eyeballs’ centre of gravity, which showed a good reproducibility with an intraclass correlation coefficient of 0.991 (95% confidence interval 0.985–0.994). Heritability estimates were 76% (standard error = 12%) with a family-based method (N = 364) and 39% (standard error = 2.4%) with a single nucleotide polymorphism-based method (N = 34 130) and were unaffected by adjustment for height (model II) and intracranial volume (model III) or head width (model IV). Genome-wide association studies in 34 130 European individuals identified 56 significantly associated genomic loci (P < 5 × 10−8) across four different models of which 46 were novel for facial morphology, and overall these findings replicated in an independent sample (N = 10 115) with telorism-related horizontal facial distance measures. Genes located nearby these 56 identified genetic loci were 4.9-fold enriched for Mendelian hypotelorism and hypertelorism genes, underlining their biological relevance. This study provides novel insights into the genetic architecture underlying interocular distance in particular, and the face in general, and explores its potential for applications in a clinical setting.
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Affiliation(s)
- Maria J Knol
- Department of Epidemiology, Erasmus MC University Medical Center Rotterdam, Rotterdam, 3015 CE, the Netherlands
| | - Mikolaj A Pawlak
- Department of Neurology and Cerebrovascular Disorders, Poznan University of Medical Sciences, Poznan, Poland.,Department of Clinical Genetics, Erasmus MC University Medical Center Rotterdam, Rotterdam, 3015 CE, the Netherlands
| | - Sander Lamballais
- Department of Clinical Genetics, Erasmus MC University Medical Center Rotterdam, Rotterdam, 3015 CE, the Netherlands
| | - Natalie Terzikhan
- Department of Epidemiology, Erasmus MC University Medical Center Rotterdam, Rotterdam, 3015 CE, the Netherlands
| | - Edith Hofer
- Department of Neurology, Clinical Division of Neurogeriatrics, Medical University Graz, Auenbruggerplatz 22, 8036 Graz, Austria.,Institute of Medical Informatics, Statistics and Documentation, Medical University Graz, Auenbruggerplatz 22, 8036 Graz, Austria
| | - Ziyi Xiong
- Department of Epidemiology, Erasmus MC University Medical Center Rotterdam, Rotterdam, 3015 CE, the Netherlands.,Department of Genetic Identification, Erasmus MC University Medical Center Rotterdam, Rotterdam, 3015 CE, the Netherlands
| | - Caroline C W Klaver
- Department of Epidemiology, Erasmus MC University Medical Center Rotterdam, Rotterdam, 3015 CE, the Netherlands.,Department of Ophthalmology, Erasmus MC University Medical Center Rotterdam, Rotterdam, 3015 CE, the Netherlands
| | - Lukas Pirpamer
- Department of Neurology, Clinical Division of Neurogeriatrics, Medical University Graz, Auenbruggerplatz 22, 8036 Graz, Austria
| | - Meike W Vernooij
- Department of Epidemiology, Erasmus MC University Medical Center Rotterdam, Rotterdam, 3015 CE, the Netherlands.,Department of Radiology and Nuclear Medicine, Erasmus MC University Medical Center Rotterdam, Rotterdam, 3015 CE, the Netherlands
| | - M Arfan Ikram
- Department of Epidemiology, Erasmus MC University Medical Center Rotterdam, Rotterdam, 3015 CE, the Netherlands
| | - Reinhold Schmidt
- Department of Neurology, Clinical Division of Neurogeriatrics, Medical University Graz, Auenbruggerplatz 22, 8036 Graz, Austria
| | - Manfred Kayser
- Department of Genetic Identification, Erasmus MC University Medical Center Rotterdam, Rotterdam, 3015 CE, the Netherlands
| | - Tavia E Evans
- Department of Clinical Genetics, Erasmus MC University Medical Center Rotterdam, Rotterdam, 3015 CE, the Netherlands.,Department of Radiology and Nuclear Medicine, Erasmus MC University Medical Center Rotterdam, Rotterdam, 3015 CE, the Netherlands
| | - Hieab H H Adams
- Department of Clinical Genetics, Erasmus MC University Medical Center Rotterdam, Rotterdam, 3015 CE, the Netherlands.,Department of Radiology and Nuclear Medicine, Erasmus MC University Medical Center Rotterdam, Rotterdam, 3015 CE, the Netherlands
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15
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Ray D, Venkataraghavan S, Zhang W, Leslie EJ, Hetmanski JB, Weinberg SM, Murray JC, Marazita ML, Ruczinski I, Taub MA, Beaty TH. Pleiotropy method reveals genetic overlap between orofacial clefts at multiple novel loci from GWAS of multi-ethnic trios. PLoS Genet 2021; 17:e1009584. [PMID: 34242216 PMCID: PMC8270211 DOI: 10.1371/journal.pgen.1009584] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 05/06/2021] [Indexed: 12/19/2022] Open
Abstract
Based on epidemiologic and embryologic patterns, nonsyndromic orofacial clefts- the most common craniofacial birth defects in humans- are commonly categorized into cleft lip with or without cleft palate (CL/P) and cleft palate alone (CP), which are traditionally considered to be etiologically distinct. However, some evidence of shared genetic risk in IRF6, GRHL3 and ARHGAP29 regions exists; only FOXE1 has been recognized as significantly associated with both CL/P and CP in genome-wide association studies (GWAS). We used a new statistical approach, PLACO (pleiotropic analysis under composite null), on a combined multi-ethnic GWAS of 2,771 CL/P and 611 CP case-parent trios. At the genome-wide significance threshold of 5 × 10-8, PLACO identified 1 locus in 1q32.2 (IRF6) that appears to increase risk for one OFC subgroup but decrease risk for the other. At a suggestive significance threshold of 10-6, we found 5 more loci with compelling candidate genes having opposite effects on CL/P and CP: 1p36.13 (PAX7), 3q29 (DLG1), 4p13 (LIMCH1), 4q21.1 (SHROOM3) and 17q22 (NOG). Additionally, we replicated the recognized shared locus 9q22.33 (FOXE1), and identified 2 loci in 19p13.12 (RAB8A) and 20q12 (MAFB) that appear to influence risk of both CL/P and CP in the same direction. We found locus-specific effects may vary by racial/ethnic group at these regions of genetic overlap, and failed to find evidence of sex-specific differences. We confirmed shared etiology of the two OFC subtypes comprising CL/P, and additionally found suggestive evidence of differences in their pathogenesis at 2 loci of genetic overlap. Our novel findings include 6 new loci of genetic overlap between CL/P and CP; 3 new loci between pairwise OFC subtypes; and 4 loci not previously implicated in OFCs. Our in-silico validation showed PLACO is robust to subtype-specific effects, and can achieve massive power gains over existing approaches for identifying genetic overlap between disease subtypes. In summary, we found suggestive evidence for new genetic regions and confirmed some recognized OFC genes either exerting shared risk or with opposite effects on risk to OFC subtypes.
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Affiliation(s)
- Debashree Ray
- Department of Epidemiology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, United States of America
- Department of Biostatistics, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, United States of America
- * E-mail: (DR); (THB)
| | - Sowmya Venkataraghavan
- Department of Epidemiology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, United States of America
| | - Wanying Zhang
- Department of Epidemiology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, United States of America
| | - Elizabeth J. Leslie
- Department of Human Genetics, School of Medicine, Emory University, Atlanta, Georgia, United States of America
| | - Jacqueline B. Hetmanski
- Department of Epidemiology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, United States of America
| | - Seth M. Weinberg
- Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
- Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
- Center for Craniofacial and Dental Genetics, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - Jeffrey C. Murray
- Department of Pediatrics, University of Iowa Carver College of Medicine, Iowa City, Iowa, United States of America
| | - Mary L. Marazita
- Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
- Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
- Center for Craniofacial and Dental Genetics, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - Ingo Ruczinski
- Department of Biostatistics, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, United States of America
| | - Margaret A. Taub
- Department of Biostatistics, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, United States of America
| | - Terri H. Beaty
- Department of Epidemiology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, United States of America
- Department of Biostatistics, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, United States of America
- * E-mail: (DR); (THB)
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16
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Welzenbach J, Hammond NL, Nikolić M, Thieme F, Ishorst N, Leslie EJ, Weinberg SM, Beaty TH, Marazita ML, Mangold E, Knapp M, Cotney J, Rada-Iglesias A, Dixon MJ, Ludwig KU. Integrative approaches generate insights into the architecture of non-syndromic cleft lip with or without cleft palate. HGG ADVANCES 2021; 2:100038. [PMID: 35047836 PMCID: PMC8756534 DOI: 10.1016/j.xhgg.2021.100038] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 05/27/2021] [Indexed: 12/15/2022] Open
Abstract
Non-syndromic cleft lip with or without cleft palate (nsCL/P) is a common congenital facial malformation with a multifactorial etiology. Genome-wide association studies (GWASs) have identified multiple genetic risk loci. However, functional interpretation of these loci is hampered by the underrepresentation in public resources of systematic functional maps representative of human embryonic facial development. To generate novel insights into the etiology of nsCL/P, we leveraged published GWAS data on nsCL/P as well as available chromatin modification and expression data on mid-facial development. Our analyses identified five novel risk loci, prioritized candidate target genes within associated regions, and highlighted distinct pathways. Furthermore, the results suggest the presence of distinct regulatory effects of nsCL/P risk variants throughout mid-facial development and shed light on its regulatory architecture. Our integrated data provide a platform to advance hypothesis-driven molecular investigations of nsCL/P and other human facial defects.
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Affiliation(s)
- Julia Welzenbach
- Institute of Human Genetics, University Hospital Bonn, Medical Faculty, Venusberg-Campus 1, 53127 Bonn, Germany
| | - Nigel L. Hammond
- Faculty of Biology, Medicine, and Health, Manchester Academic Health Sciences Centre, University of Manchester, Manchester M13 9PT, UK
| | - Miloš Nikolić
- Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany
| | - Frederic Thieme
- Institute of Human Genetics, University Hospital Bonn, Medical Faculty, Venusberg-Campus 1, 53127 Bonn, Germany
| | - Nina Ishorst
- Institute of Human Genetics, University Hospital Bonn, Medical Faculty, Venusberg-Campus 1, 53127 Bonn, Germany
| | - Elizabeth J. Leslie
- Department of Human Genetics, School of Medicine, Emory University, Atlanta, GA, USA
| | - Seth M. Weinberg
- Center for Craniofacial and Dental Genetics, Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, USA
- Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
| | - Terri H. Beaty
- Department of Epidemiology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
| | - Mary L. Marazita
- Center for Craniofacial and Dental Genetics, Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, USA
- Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
- Department of Psychiatry and Clinical and Translational Science Institute, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15260, USA
| | - Elisabeth Mangold
- Institute of Human Genetics, University Hospital Bonn, Medical Faculty, Venusberg-Campus 1, 53127 Bonn, Germany
| | - Michael Knapp
- Institute of Medical Biometry, Informatics, and Epidemiology, University Hospital Bonn, Bonn, Germany
| | - Justin Cotney
- Department of Genetics and Genome Sciences, UConn Health, Farmington, CT, USA
- Institute for Systems Genomics, University of Connecticut, Storrs, CT, USA
| | - Alvaro Rada-Iglesias
- Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany
- Cluster of Excellence Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, Cologne, Germany
- Institute of Biomedicine and Biotechnology of Cantabria (IBBTEC), University of Cantabria, Cantabria, Spain
| | - Michael J. Dixon
- Faculty of Biology, Medicine, and Health, Manchester Academic Health Sciences Centre, University of Manchester, Manchester M13 9PT, UK
| | - Kerstin U. Ludwig
- Institute of Human Genetics, University Hospital Bonn, Medical Faculty, Venusberg-Campus 1, 53127 Bonn, Germany
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17
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Mukhopadhyay N, Feingold E, Moreno-Uribe L, Wehby G, Valencia-Ramirez LC, Muñeton CPR, Padilla C, Deleyiannis F, Christensen K, Poletta FA, Orioli IM, Hecht JT, Buxó CJ, Butali A, Adeyemo WL, Vieira AR, Shaffer JR, Murray JC, Weinberg SM, Leslie EJ, Marazita ML. Genome-Wide Association Study of Non-syndromic Orofacial Clefts in a Multiethnic Sample of Families and Controls Identifies Novel Regions. Front Cell Dev Biol 2021; 9:621482. [PMID: 33898419 PMCID: PMC8062975 DOI: 10.3389/fcell.2021.621482] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 03/15/2021] [Indexed: 01/20/2023] Open
Abstract
Orofacial clefts (OFCs) are among the most prevalent craniofacial birth defects worldwide and create a significant public health burden. The majority of OFCs are non-syndromic and vary in prevalence by ethnicity. Africans have the lowest prevalence of OFCs (~ 1/2,500), Asians have the highest prevalence (~1/500), Europeans and Latin Americans lie somewhere in the middle (~1/800 and 1/900, respectively). Thus, ethnicity appears to be a major determinant of the risk of developing OFC. The Pittsburgh Orofacial Clefts Multiethnic study was designed to explore this ethnic variance, comprising a large number of families and individuals (~12,000 individuals) from multiple populations worldwide: US and Europe, Asians, mixed Native American/Caucasians, and Africans. In this current study, we analyzed 2,915 OFC cases, 6,044 unaffected individuals related to the OFC cases, and 2,685 controls with no personal or family history of OFC. Participants were grouped by their ancestry into African, Asian, European, and Central and South American subsets, and genome-wide association run on the combined sample as well as the four ancestry-based groups. We observed 22 associations to cleft lip with or without cleft palate at 18 distinct loci with p-values < 1e-06, including 10 with genome-wide significance (<5e-08), in the combined sample and within ancestry groups. Three loci - 2p12 (rs62164740, p = 6.27e-07), 10q22.2 (rs150952246, p = 3.14e-07), and 10q24.32 (rs118107597, p = 8.21e-07) are novel. Nine were in or near known OFC loci - PAX7, IRF6, FAM49A, DCAF4L2, 8q24.21, NTN1, WNT3-WNT9B, TANC2, and RHPN2. The majority of the associations were observed only in the combined sample, European, and Central and South American groups. We investigated whether the observed differences in association strength were (a) purely due to sample sizes, (b) due to systematic allele frequency difference at the population level, or (c) due to the fact certain OFC-causing variants confer different amounts of risk depending on ancestral origin, by comparing effect sizes to observed allele frequencies of the effect allele in our ancestry-based groups. While some of the associations differ due to systematic differences in allele frequencies between groups, others show variation in effect size despite similar frequencies across ancestry groups.
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Affiliation(s)
- Nandita Mukhopadhyay
- Center for Craniofacial and Dental Genetics, Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, United States
| | - Eleanor Feingold
- Center for Craniofacial and Dental Genetics, Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, United States
- Department of Biostatistics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, United States
- Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, United States
| | - Lina Moreno-Uribe
- Department of Orthodontics, The Iowa Institute for Oral Health Research, College of Dentistry, University of Iowa, Iowa City, IA, United States
| | - George Wehby
- Department of Health Management and Policy, College of Public Health, University of Iowa, Iowa City, IA, United States
| | | | | | - Carmencita Padilla
- Department of Pediatrics, College of Medicine, Institute of Human Genetics, National Institutes of Health, University of the Philippines, Manila, Philippines
| | | | - Kaare Christensen
- Department of Epidemiology, Institute of Public Health, University of Southern Denmark, Odense, Denmark
| | - Fernando A. Poletta
- CEMIC: Center for Medical Education and Clinical Research, Buenos Aires, Argentina
| | - Ieda M. Orioli
- Department of Genetics, Institute of Biology, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- Instituto Nacional de Genética Médica Populacional INAGEMP, Porto Alegre, Brazil
| | - Jacqueline T. Hecht
- Department of Pediatrics, University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Carmen J. Buxó
- Dental and Craniofacial Genomics Core, School of Dental Medicine, University of Puerto Rico, San Juan, Puerto Rico
| | - Azeez Butali
- Department of Oral Pathology, Radiology and Medicine, College of Dentistry, Iowa Institute for Oral Health Research, University of Iowa, Iowa City, IA, United States
| | - Wasiu L. Adeyemo
- Department of Oral and Maxillofacial Surgery, College of Medicine, University of Lagos, Lagos, Nigeria
| | - Alexandre R. Vieira
- Center for Craniofacial and Dental Genetics, Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, United States
| | - John R. Shaffer
- Center for Craniofacial and Dental Genetics, Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, United States
- Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, United States
| | - Jeffrey C. Murray
- Department of Pediatrics, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
| | - Seth M. Weinberg
- Center for Craniofacial and Dental Genetics, Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, United States
- Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, United States
| | | | - Mary L. Marazita
- Center for Craniofacial and Dental Genetics, Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, United States
- Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, United States
- Clinical and Translational Science, School of Medicine, University of Pittsburgh, Pittsburgh, PA, United States
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18
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Gowans LJJ, Al Dhaheri N, Li M, Busch T, Obiri-Yeboah S, Oti AA, Sabbah DK, Arthur FKN, Awotoye WO, Alade AA, Twumasi P, Agbenorku P, Plange-Rhule G, Naicker T, Donkor P, Murray JC, Sobreira NLM, Butali A. Co-occurrence of orofacial clefts and clubfoot phenotypes in a sub-Saharan African cohort: Whole-exome sequencing implicates multiple syndromes and genes. Mol Genet Genomic Med 2021; 9:e1655. [PMID: 33719213 PMCID: PMC8123728 DOI: 10.1002/mgg3.1655] [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: 01/07/2021] [Revised: 02/16/2021] [Accepted: 02/19/2021] [Indexed: 12/14/2022] Open
Abstract
Background Orofacial clefts (OFCs) are congenital malformations of the face and palate, with an incidence of 1 per 700 live births. Clubfoot or congenital talipes equinovarus (CTEV) is a three‐dimensional abnormality of the leg, ankle, and feet that leads to the anomalous positioning of foot and ankle joints and has an incidence of 1 per 1000 live births. OFCs and CTEV may occur together or separately in certain genetic syndromes in addition to other congenital abnormalities. Here, we sought to decipher the genetic etiology of OFC and CTEV that occurred together in six probands. Methods At the time of recruitment, the most clinically obvious congenital anomalies in these individuals were the OFC and CTEV. We carried out whole‐exome sequencing (WES) on DNA samples from probands and available parents employing the Agilent SureSelect XT kit and Illumina HiSeq2500 platform, followed by bioinformatics analyses. WES variants were validated by clinical Sanger Sequencing. Results Of the six probands, we observed probable pathogenic genetic variants in four. In three probands with probable pathogenic genetic variants, each individual had variants in three different genes, whereas one proband had probable pathogenic variant in just one gene. In one proband, we observed variants in DIS3L2, a gene associated with Perlman syndrome. A second proband had variants in EPG5 (associated with Vici Syndrome), BARX1 and MKI67, while another proband had potentially etiologic variants in FRAS1 (associated with Fraser Syndrome 1), TCOF1 (associated with Treacher Collins Syndrome 1) and MKI67. The last proband had variants in FRAS1, PRDM16 (associated with Cardiomyopathy, dilated, 1LL/Left ventricular noncompaction 8) and CHD7 (associated with CHARGE syndrome/Hypogonadotropic hypogonadism 5 with or without anosmia). Conclusion Our results suggest that clubfoot and OFCs are two congenital abnormalities that can co‐occur in certain individuals with varying genetic causes and expressivity, warranting the need for deep phenotyping.
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Affiliation(s)
- Lord J J Gowans
- Department of Biochemistry and Biotechnology, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana.,Department of Oral and Maxillofacial Sciences, Dental School, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana.,Department of Oral Pathology, Radiology and Medicine, University of Iowa, Iowa City, IA, USA
| | - Noura Al Dhaheri
- Department of Medical Genetics, John Hopkins University, Baltimore, MD, USA
| | - Mary Li
- Department of Oral Pathology, Radiology and Medicine, University of Iowa, Iowa City, IA, USA
| | - Tamara Busch
- Department of Oral Pathology, Radiology and Medicine, University of Iowa, Iowa City, IA, USA
| | - Solomon Obiri-Yeboah
- Department of Oral and Maxillofacial Sciences, Dental School, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Alexander A Oti
- Department of Oral and Maxillofacial Sciences, Dental School, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Daniel K Sabbah
- Department of Orthodontics and Child Oral Health, Dental School, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Fareed K N Arthur
- Department of Biochemistry and Biotechnology, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Waheed O Awotoye
- Department of Oral Pathology, Radiology and Medicine, University of Iowa, Iowa City, IA, USA
| | - Azeez A Alade
- Department of Oral Pathology, Radiology and Medicine, University of Iowa, Iowa City, IA, USA
| | - Peter Twumasi
- Department of Biochemistry and Biotechnology, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Pius Agbenorku
- Department of Surgery, School of Medical Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Gyikua Plange-Rhule
- Department of Child Health, School of Medical Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Thirona Naicker
- Department of Pediatrics, University of KwaZulu-Natal, South Africa
| | - Peter Donkor
- Department of Oral and Maxillofacial Sciences, Dental School, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana.,Department of Surgery, School of Medical Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Jeffrey C Murray
- Department of Pediatrics, University of Iowa, Iowa City, IA, USA
| | - Nara L M Sobreira
- Department of Medical Genetics, John Hopkins University, Baltimore, MD, USA
| | - Azeez Butali
- Department of Oral Pathology, Radiology and Medicine, University of Iowa, Iowa City, IA, USA
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19
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Nasreddine G, El Hajj J, Ghassibe-Sabbagh M. Orofacial clefts embryology, classification, epidemiology, and genetics. MUTATION RESEARCH-REVIEWS IN MUTATION RESEARCH 2021; 787:108373. [PMID: 34083042 DOI: 10.1016/j.mrrev.2021.108373] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 02/21/2021] [Accepted: 02/23/2021] [Indexed: 01/14/2023]
Abstract
Orofacial clefts (OFCs) rank as the second most common congenital birth defect in the United States after Down syndrome and are the most common head and neck congenital malformations. They are classified as cleft lip with or without cleft palate (CL/P) and cleft palate only (CPO). OFCs have significant psychological and socio-economic impact on patients and their families and require a multidisciplinary approach for management and counseling. A complex interaction between genetic and environmental factors contributes to the incidence and clinical presentation of OFCs. In this comprehensive review, the embryology, classification, epidemiology and etiology of clefts are thoroughly discussed and a "state-of-the-art" snapshot of the recent advances in the genetics of OFCs is presented.
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Affiliation(s)
- Ghenwa Nasreddine
- Department of Natural Sciences, School of Arts and Sciences, Lebanese American University, P.O. Box: 13-5053, Chouran, 1102 2801, Beirut, Lebanon.
| | - Joelle El Hajj
- Department of Natural Sciences, School of Arts and Sciences, Lebanese American University, P.O. Box: 13-5053, Chouran, 1102 2801, Beirut, Lebanon.
| | - Michella Ghassibe-Sabbagh
- Department of Natural Sciences, School of Arts and Sciences, Lebanese American University, P.O. Box: 13-5053, Chouran, 1102 2801, Beirut, Lebanon.
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20
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Reynolds K, Zhang S, Sun B, Garland M, Ji Y, Zhou CJ. Genetics and signaling mechanisms of orofacial clefts. Birth Defects Res 2020; 112:1588-1634. [PMID: 32666711 PMCID: PMC7883771 DOI: 10.1002/bdr2.1754] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 06/11/2020] [Accepted: 06/15/2020] [Indexed: 12/31/2022]
Abstract
Craniofacial development involves several complex tissue movements including several fusion processes to form the frontonasal and maxillary structures, including the upper lip and palate. Each of these movements are controlled by many different factors that are tightly regulated by several integral morphogenetic signaling pathways. Subject to both genetic and environmental influences, interruption at nearly any stage can disrupt lip, nasal, or palate fusion and result in a cleft. Here, we discuss many of the genetic risk factors that may contribute to the presentation of orofacial clefts in patients, and several of the key signaling pathways and underlying cellular mechanisms that control lip and palate formation, as identified primarily through investigating equivalent processes in animal models, are examined.
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Affiliation(s)
- Kurt Reynolds
- Department of Biochemistry and Molecular Medicine, University of California at Davis, School of Medicine, Sacramento, CA 95817
- Institute for Pediatric Regenerative Medicine of Shriners Hospitals for Children, University of California at Davis, School of Medicine, Sacramento, CA 95817
- Biochemistry, Molecular, Cellular, and Developmental Biology (BMCDB) graduate group, University of California, Davis, CA 95616
| | - Shuwen Zhang
- Department of Biochemistry and Molecular Medicine, University of California at Davis, School of Medicine, Sacramento, CA 95817
- Institute for Pediatric Regenerative Medicine of Shriners Hospitals for Children, University of California at Davis, School of Medicine, Sacramento, CA 95817
| | - Bo Sun
- Department of Biochemistry and Molecular Medicine, University of California at Davis, School of Medicine, Sacramento, CA 95817
- Institute for Pediatric Regenerative Medicine of Shriners Hospitals for Children, University of California at Davis, School of Medicine, Sacramento, CA 95817
| | - Michael Garland
- Department of Biochemistry and Molecular Medicine, University of California at Davis, School of Medicine, Sacramento, CA 95817
- Institute for Pediatric Regenerative Medicine of Shriners Hospitals for Children, University of California at Davis, School of Medicine, Sacramento, CA 95817
| | - Yu Ji
- Department of Biochemistry and Molecular Medicine, University of California at Davis, School of Medicine, Sacramento, CA 95817
- Institute for Pediatric Regenerative Medicine of Shriners Hospitals for Children, University of California at Davis, School of Medicine, Sacramento, CA 95817
- Biochemistry, Molecular, Cellular, and Developmental Biology (BMCDB) graduate group, University of California, Davis, CA 95616
| | - Chengji J. Zhou
- Department of Biochemistry and Molecular Medicine, University of California at Davis, School of Medicine, Sacramento, CA 95817
- Institute for Pediatric Regenerative Medicine of Shriners Hospitals for Children, University of California at Davis, School of Medicine, Sacramento, CA 95817
- Biochemistry, Molecular, Cellular, and Developmental Biology (BMCDB) graduate group, University of California, Davis, CA 95616
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