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Álvarez LFG, Tenorio-Castaño J, Poletta FA, Santos-Simarro F, Arias P, Gallego N, Orioli IM, Mundlos S, Castilla EE, Martínez-Glez V, Martínez-Frías ML, Ruiz-Pérez VL, Nevado J, Lapunzina P. A large, ten-generation family with autosomal dominant preaxial polydactyly/triphalangeal thumb: Historical, clinical, genealogical, and molecular studies. Am J Med Genet A 2023; 191:100-107. [PMID: 36308343 DOI: 10.1002/ajmg.a.62994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 07/05/2022] [Accepted: 08/19/2022] [Indexed: 12/14/2022]
Abstract
We present a large, ten-generation family of 273 individuals with 84 people having preaxial polydactyly/triphalangeal thumb due to a pathogenic variant in the zone of polarizing activity regulatory sequence (ZRS) within the exon 5 of LMBR1. The causative change maps to position 396 of the ZRS, located at position c.423 + 4909C > T (chr7:156791480; hg38; LMBR1 ENST00000353442.10; rs606231153 NG_009240.2) in the intron 5 of LMBR1. The first affected individual with the disorder was traced back to mid-1700, when some settlers and workers established in Cervera de Buitrago, a small village about 82 km North to Madrid. Clinical and radiological studies of most of the affected members have been performed for 42 years (follow-up of the family by LFGA). Molecular studies have confirmed a pathogenic variant in the ZRS that segregates in this family. To the best of our knowledge, this is the largest family with preaxial polydactyly/triphalangeal thumb reported so far.
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Affiliation(s)
| | - Jair Tenorio-Castaño
- CIBERER, Centro de Investigación Biomédica en Red de Enfermedades Raras, Madrid, Spain
- INGEMM-Idipaz, Institute of Medical and Molecular Genetics, Madrid, Spain
- ITHACA, European Reference Network, Brussels, Belgium
| | - Fernando A Poletta
- ECLAMC at CEMIC (Center for Medical Education and Clinical Research) and CONICET (National Council for Scientific and Technical Investigation), Buenos Aires, Argentina
- ECLAMC (Latin American Collaborative Study of Congenital Malformations) at INAGEMP (National Institute of Population Medical Genetics), Rio de Janeiro, Brazil
- Department of Genetics, Institute of Biology, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Fernando Santos-Simarro
- CIBERER, Centro de Investigación Biomédica en Red de Enfermedades Raras, Madrid, Spain
- INGEMM-Idipaz, Institute of Medical and Molecular Genetics, Madrid, Spain
- ITHACA, European Reference Network, Brussels, Belgium
| | - Pedro Arias
- CIBERER, Centro de Investigación Biomédica en Red de Enfermedades Raras, Madrid, Spain
- INGEMM-Idipaz, Institute of Medical and Molecular Genetics, Madrid, Spain
| | - Natalia Gallego
- CIBERER, Centro de Investigación Biomédica en Red de Enfermedades Raras, Madrid, Spain
- INGEMM-Idipaz, Institute of Medical and Molecular Genetics, Madrid, Spain
- ITHACA, European Reference Network, Brussels, Belgium
| | - Iêda Maria Orioli
- ECLAMC at CEMIC (Center for Medical Education and Clinical Research) and CONICET (National Council for Scientific and Technical Investigation), Buenos Aires, Argentina
- ECLAMC (Latin American Collaborative Study of Congenital Malformations) at INAGEMP (National Institute of Population Medical Genetics), Rio de Janeiro, Brazil
- Department of Genetics, Institute of Biology, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Stefan Mundlos
- Institute of Medical and Human Genetics, Charité Universitätsmedizin, Berlin, Germany
- Max Planck Institute for Molecular Genetics, Berlin, Germany
| | - Eduardo E Castilla
- ECLAMC at CEMIC (Center for Medical Education and Clinical Research) and CONICET (National Council for Scientific and Technical Investigation), Buenos Aires, Argentina
- ECLAMC (Latin American Collaborative Study of Congenital Malformations) at INAGEMP (National Institute of Population Medical Genetics), Rio de Janeiro, Brazil
- Department of Genetics, Institute of Biology, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Víctor Martínez-Glez
- CIBERER, Centro de Investigación Biomédica en Red de Enfermedades Raras, Madrid, Spain
- INGEMM-Idipaz, Institute of Medical and Molecular Genetics, Madrid, Spain
- ITHACA, European Reference Network, Brussels, Belgium
| | | | - Víctor L Ruiz-Pérez
- CIBERER, Centro de Investigación Biomédica en Red de Enfermedades Raras, Madrid, Spain
- ITHACA, European Reference Network, Brussels, Belgium
- Instituto de Investigaciones Biomédicas Alberto Sols, IIB-UAM, Madrid, Spain
| | - Julián Nevado
- CIBERER, Centro de Investigación Biomédica en Red de Enfermedades Raras, Madrid, Spain
- INGEMM-Idipaz, Institute of Medical and Molecular Genetics, Madrid, Spain
- ITHACA, European Reference Network, Brussels, Belgium
| | - Pablo Lapunzina
- CIBERER, Centro de Investigación Biomédica en Red de Enfermedades Raras, Madrid, Spain
- INGEMM-Idipaz, Institute of Medical and Molecular Genetics, Madrid, Spain
- ITHACA, European Reference Network, Brussels, Belgium
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Lapunzina P, Tenorio-Castaño J, Nevado J, Campos Barros Á, Pachajoa H, Ruiz-Pérez VL, Castilla EE. The portrayal of dwarfism without skeletal dysplasia in art: Proportionate short stature due to growth hormone deficiency and other disorders. Am J Med Genet C Semin Med Genet 2021; 187:186-191. [PMID: 33998134 DOI: 10.1002/ajmg.c.31916] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 04/08/2021] [Accepted: 04/10/2021] [Indexed: 12/29/2022]
Abstract
In this article, we analyze several works of art which portray individuals with short stature ("dwarfism"). We have focused on eight individuals who we believe have short stature due to growth hormone deficiency (GHD) or closely related disorders, rather than skeletal dysplasia. We discuss them individually, suggest the potential diagnosis, review the characteristics of their life and personal history, and briefly outline the artistic framework in which these works of art were created. This work is a posthumous tribute to the people with short stature portrayed in these works of art, who likely experienced harassment and inappropriate treatment by others and called by derogatory names. We have tried to acknowledge their identities with the respect they deserve.
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Affiliation(s)
- Pablo Lapunzina
- CIBER de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III (ISCIII), Madrid, Spain.,Instituto de Genética Médica y Molecular (INGEMM)-IdiPAZ, Hospital Universitario La Paz, Universidad Autónoma, Madrid, Spain.,ITHACA, European Reference Network on Rare Congenital Malformations and Rare Intellectual Disability, Brussels, Belgium
| | - Jair Tenorio-Castaño
- CIBER de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III (ISCIII), Madrid, Spain.,Instituto de Genética Médica y Molecular (INGEMM)-IdiPAZ, Hospital Universitario La Paz, Universidad Autónoma, Madrid, Spain.,ITHACA, European Reference Network on Rare Congenital Malformations and Rare Intellectual Disability, Brussels, Belgium
| | - Julián Nevado
- CIBER de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III (ISCIII), Madrid, Spain.,Instituto de Genética Médica y Molecular (INGEMM)-IdiPAZ, Hospital Universitario La Paz, Universidad Autónoma, Madrid, Spain.,ITHACA, European Reference Network on Rare Congenital Malformations and Rare Intellectual Disability, Brussels, Belgium
| | - Ángel Campos Barros
- CIBER de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III (ISCIII), Madrid, Spain.,Instituto de Genética Médica y Molecular (INGEMM)-IdiPAZ, Hospital Universitario La Paz, Universidad Autónoma, Madrid, Spain.,ITHACA, European Reference Network on Rare Congenital Malformations and Rare Intellectual Disability, Brussels, Belgium
| | - Harry Pachajoa
- Department of Genetics, Fundación Valle del Lili, Cali, Colombia.,Centro de Investigaciones en Anomalías Congénitas y Enfermedades Raras (CIACER), Universidad ICESI, Cali, Colombia
| | - Víctor L Ruiz-Pérez
- CIBER de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III (ISCIII), Madrid, Spain.,ITHACA, European Reference Network on Rare Congenital Malformations and Rare Intellectual Disability, Brussels, Belgium.,Instituto de Investigaciones Biomédicas "Alberto Sols", Consejo Superior de Investigaciones Científicas (CSIC)-Universidad Autónoma de Madrid (UAM), Madrid, Spain
| | - Eduardo E Castilla
- Latin American Collaborative Study of Congenital Malformations (ECLAMC), FIOCRUZ-Genética, Rio de Janeiro, Brazil.,National Institute of Population Medical Genetics (INAGEMP), Porto Alegre, Brazil
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Poletta FA, Rittler M, Saleme C, Campaña H, Gili JA, Pawluk MS, Gimenez LG, Cosentino VR, Castilla EE, López-Camelo JS. Neural tube defects: Sex ratio changes after fortification with folic acid. PLoS One 2018. [PMID: 29538416 PMCID: PMC5851584 DOI: 10.1371/journal.pone.0193127] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Background Historically, neural tube defects (NTDs) have predominated in female infants but the reasons remain unclear. In South America, the pre- folic acid fortification (FAF) rates of NTDs were around 18/10,000 births for females and 12/10,000 births for males, with an estimated sex ratio (male/female) of 0.67. During the post- FAF period, unpublished routine reports have indicated changes in the sex ratio for these defects while some descriptive reports are controversial. To date and to our knowledge, however, no studies specifically focusing on these changes to test this hypothesis directly have been undertaken. The aim of this study was to analyze changes in the sex ratio of infants with NTDs after FAF in South American countries. Materials and methods With a descriptive cross-sectional study design, 2,597 infants with isolated NTDs born between 1990 and 2013 in 3 countries participating in the Latin American Collaborative Study of Congenital Malformations (ECLAMC) network were included: (Chile N = 521 and Argentina N = 1,619 [with FAF policies]; Venezuela N = 457 [without FAF policies; used as control]; total births = 2,229,561). The differences-in-differences method and Poisson regressions were used to evaluate the sex ratio shift from female to male before vs. after FAF, and to assess whether these differences were related to the fortification. Results and conclusions In Chile and Argentina the prevalence of NTDs, particularly anencephaly and cervico-thoracic spina bifida, showed a greater reduction rate in females than in males after FAF, resulting in a change of the sex ratio of infants with NTDs. Some mechanisms possibly involved in this differential reduction are proposed which might be useful to identify the pathogenesis of NTDs as a whole and specifically of those susceptible to the protective effect of folic acid.
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Affiliation(s)
- Fernando A. Poletta
- Latin American Collaborative Study of Congenital Malformations (ECLAMC) at Center for Medical Education and Clinical Research (CEMIC-CONICET), Buenos Aires, Argentina
- ECLAMC at INAGEMP (National Institute of Population Medical Genetics), Rio de Janeiro, Brazil
| | - Monica Rittler
- ECLAMC at Hospital Materno Infantil Ramón Sardá, University of Buenos Aires, Buenos Aires, Argentina
| | - Cesar Saleme
- ECLAMC at Maternity Hospital Nuestra Señora de las Mercedes, Tucumán, Argentina
| | - Hebe Campaña
- Latin American Collaborative Study of Congenital Malformations (ECLAMC) at Center for Medical Education and Clinical Research (CEMIC-CONICET), Buenos Aires, Argentina
| | - Juan A. Gili
- Latin American Collaborative Study of Congenital Malformations (ECLAMC) at Center for Medical Education and Clinical Research (CEMIC-CONICET), Buenos Aires, Argentina
| | - Mariela S. Pawluk
- Latin American Collaborative Study of Congenital Malformations (ECLAMC) at Center for Medical Education and Clinical Research (CEMIC-CONICET), Buenos Aires, Argentina
| | - Lucas G. Gimenez
- Latin American Collaborative Study of Congenital Malformations (ECLAMC) at Center for Medical Education and Clinical Research (CEMIC-CONICET), Buenos Aires, Argentina
| | - Viviana R. Cosentino
- Latin American Collaborative Study of Congenital Malformations (ECLAMC) at Center for Medical Education and Clinical Research (CEMIC-CONICET), Buenos Aires, Argentina
| | - Eduardo E. Castilla
- Latin American Collaborative Study of Congenital Malformations (ECLAMC) at Center for Medical Education and Clinical Research (CEMIC-CONICET), Buenos Aires, Argentina
- ECLAMC at INAGEMP (National Institute of Population Medical Genetics), Rio de Janeiro, Brazil
| | - Jorge S. López-Camelo
- Latin American Collaborative Study of Congenital Malformations (ECLAMC) at Center for Medical Education and Clinical Research (CEMIC-CONICET), Buenos Aires, Argentina
- ECLAMC at INAGEMP (National Institute of Population Medical Genetics), Rio de Janeiro, Brazil
- * E-mail:
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do Nascimento RL, Castilla EE, Dutra MDG, Orioli IM. ICD-10 impact on ascertainment and accuracy of oral cleft cases as recorded by the Brazilian national live birth information system. Am J Med Genet A 2018; 176:907-914. [PMID: 29424949 DOI: 10.1002/ajmg.a.38634] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2017] [Revised: 01/12/2018] [Accepted: 01/16/2018] [Indexed: 12/12/2022]
Abstract
We compared Brazilian oral cleft (OC) frequencies between the population-based Brazilian System of Live Birth (SINASC) and the hospital-based Latin American Collaborative Study of Congenital Malformations (ECLAMC), trying to understand the paucity of cleft of lip and palate (CLP) in the first system. SINASC uses the International Classification of Disease version 10 (ICD-10) for congenital defects coding, ECLAMC uses ICD-8 with modifications. In SINASC, the CLP frequency was 1.7 per 10,000 (95% confidence limits 1.7-1.8), cleft lip (CL) 1.6 (1.5-1.7), and cleft palate (CP) 2.0 (1.9-2.1). In ECLAMC, the CLP frequency was 10.4 per 10,000 (9.0-12.1), CL 5.5 (4.5-6.7), and CP 4.4. (4.5-6.7). In SINASC, only 33% of the oral clefts were CLP, versus 51% in ECLAMC. Part of this discrepancy may have been due to the relative excess of CP and CL cases. Although congenital defect frequencies are usually lower in population than in hospital-based registries, differences in the proportion of the main OC categories are not expected and are probably due to ICD-10 coding issues, such as lumping of unilateral CL and CL without other specifications. ICD-10 codes, whose deficiency for oral clefts is fully explained in the literature, lack modifiers for severity, or clinical subtypes. This paper shows the practical aspect of the ICD-10 system deficiency in capturing cleft lip and palate (CLP) subtypes, as demonstrated in SINASC covering three million births per year. Such errors are expected to occur in any registry that uses the ICD-10 coding system, and must be adjusted, given its relevance worldwide.
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Affiliation(s)
- Ricardo Lima do Nascimento
- Department of Genetics, Institute of Biology, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.,INAGEMP (National Institute of Population Medical Genetics), Rio de Janeiro, Brazil
| | - Eduardo E Castilla
- INAGEMP (National Institute of Population Medical Genetics), Rio de Janeiro, Brazil.,LEMC (Laboratory of Congenital Malformations Epidemiology), Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil.,CEMIC (Center for Medical Education and Clinical Research), Buenos Aires, Argentina
| | - Maria da Graça Dutra
- INAGEMP (National Institute of Population Medical Genetics), Rio de Janeiro, Brazil.,LEMC (Laboratory of Congenital Malformations Epidemiology), Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
| | - Iêda M Orioli
- Department of Genetics, Institute of Biology, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.,INAGEMP (National Institute of Population Medical Genetics), Rio de Janeiro, Brazil
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Orioli IM, Dolk H, Lopez-Camelo JS, Mattos D, Poletta FA, Dutra MG, Carvalho FM, Castilla EE. Prevalence and clinical profile of microcephaly in South America pre-Zika, 2005-14: prevalence and case-control study. BMJ 2017; 359:j5018. [PMID: 29162597 PMCID: PMC5696624 DOI: 10.1136/bmj.j5018] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Objective To describe the prevalence and clinical spectrum of microcephaly in South America for the period 2005-14, before the start of the Zika epidemic in 2015, as a baseline for future surveillance as the Zika epidemic spreads and as other infectious causes may emerge in future.Design Prevalence and case-control study.Data sources ECLAMC (Latin American Collaborative Study of Congenital Malformations) database derived from 107 hospitals in 10 South American countries, 2005 to 2014. Data on microcephaly cases, four non-malformed controls per case, and all hospital births (all births for hospital based prevalence, resident within municipality for population based prevalence). For 2010-14, head circumference data were available and compared with Intergrowth charts.Results 552 microcephaly cases were registered, giving a hospital based prevalence of 4.4 (95% confidence interval 4.1 to 4.9) per 10 000 births and a population based prevalence of 3.0 (2.7 to 3.4) per 10 000. Prevalence varied significantly between countries and between regions and hospitals within countries. Thirty two per cent (n=175) of cases were prenatally diagnosed; 29% (n=159) were perinatal deaths. Twenty three per cent (n=128) were associated with a diagnosed genetic syndrome, 34% (n=189) polymalformed without a syndrome diagnosis, 12% (n=65) with associated neural malformations, and 26% (n=145) microcephaly only. In addition, 3.8% (n=21) had a STORCH (syphilis, toxoplasmosis, other including HIV, rubella, cytomegalovirus, and herpes simplex) infection diagnosis and 2.0% (n=11) had consanguineous parents. Head circumference measurements available for 184/235 cases in 2010-14 showed 45% (n=82) more than 3 SD below the mean, 24% (n=44) between 3 SD and 2 SD below the mean, and 32% (n=58) larger than -2 SD.Conclusion Extrapolated to the nearly 7 million annual births in South America, an estimated 2000-2500 microcephaly cases were diagnosed among births each year before the Zika epidemic began in 2015. Clinicians are using more than simple metrics to make microcephaly diagnoses. Endemic infections are important enduring causes of microcephaly.
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Affiliation(s)
- Iêda M Orioli
- Latin American Collaborative Study of Congenital Malformations (ECLAMC) at Department of Genetics, Institute of Biology, Federal University of Rio de Janeiro, 21944-001, Rio de Janeiro, Brazil
- National Institute of Population Medical Genetics (INAGEMP), Porto Alegre, Brazil
| | - Helen Dolk
- Maternal Fetal and Infant Research Centre, Institute of Nursing and Health Research, Ulster University, Newtownabbey, Northern Ireland, UK
| | - Jorge S Lopez-Camelo
- National Institute of Population Medical Genetics (INAGEMP), Porto Alegre, Brazil
- ECLAMC at Center for Medical Education and Clinical Research (CEMIC-CONICET), Buenos Aires, Argentina
| | - Daniel Mattos
- Latin American Collaborative Study of Congenital Malformations (ECLAMC) at Department of Genetics, Institute of Biology, Federal University of Rio de Janeiro, 21944-001, Rio de Janeiro, Brazil
- National Institute of Population Medical Genetics (INAGEMP), Porto Alegre, Brazil
| | - Fernando A Poletta
- National Institute of Population Medical Genetics (INAGEMP), Porto Alegre, Brazil
- ECLAMC at Center for Medical Education and Clinical Research (CEMIC-CONICET), Buenos Aires, Argentina
| | - Maria G Dutra
- National Institute of Population Medical Genetics (INAGEMP), Porto Alegre, Brazil
- ECLAMC at Laboratory of Congenital Malformations Epidemiology, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (FIOCRUZ), Rio de Janeiro, Brazil
| | - Flavia M Carvalho
- National Institute of Population Medical Genetics (INAGEMP), Porto Alegre, Brazil
- ECLAMC at Laboratory of Congenital Malformations Epidemiology, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (FIOCRUZ), Rio de Janeiro, Brazil
| | - Eduardo E Castilla
- National Institute of Population Medical Genetics (INAGEMP), Porto Alegre, Brazil
- ECLAMC at Center for Medical Education and Clinical Research (CEMIC-CONICET), Buenos Aires, Argentina
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Leslie EJ, Carlson JC, Shaffer JR, Buxó CJ, Castilla EE, Christensen K, Deleyiannis FWB, Field LL, Hecht JT, Moreno L, Orioli IM, Padilla C, Vieira AR, Wehby GL, Feingold E, Weinberg SM, Murray JC, Marazita ML. Association studies of low-frequency coding variants in nonsyndromic cleft lip with or without cleft palate. Am J Med Genet A 2017; 173:1531-1538. [PMID: 28425186 DOI: 10.1002/ajmg.a.38210] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Revised: 02/05/2017] [Accepted: 02/15/2017] [Indexed: 11/10/2022]
Abstract
Nonsyndromic cleft lip with or without cleft palate (NSCL/P) is a group of common human birth defects with complex etiology. Although genome-wide association studies have successfully identified a number of risk loci, these loci only account for about 20% of the heritability of orofacial clefts. The "missing" heritability may be found in rare variants, copy number variants, or interactions. In this study, we investigated the role of low-frequency variants genotyped in 1995 cases and 1626 controls on the Illumina HumanCore + Exome chip. We performed two statistical tests, Sequence Kernel Association Test (SKAT) and Combined Multivariate and Collapsing (CMC) method using two minor allele frequency cutoffs (1% and 5%). We found that a burden of low-frequency coding variants in N4BP2, CDSN, PRTG, and AHRR were associated with increased risk of NSCL/P. Low-frequency variants in other genes were associated with decreased risk of NSCL/P. These results demonstrate that low-frequency variants contribute to the genetic etiology of NSCL/P.
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Affiliation(s)
- Elizabeth J Leslie
- Center for Craniofacial and Dental Genetics, Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Jenna C Carlson
- Center for Craniofacial and Dental Genetics, Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania.,Department of Biostatistics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - John R Shaffer
- Center for Craniofacial and Dental Genetics, Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania.,Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Carmen J Buxó
- School of Dental Medicine, University of Puerto Rico, San Juan, Puerto Rico
| | - Eduardo E Castilla
- CEMIC: Center for Medical Education and Clinical Research, Buenos Aires, Argentina.,ECLAMC (Latin American Collaborative Study of Congenital Malformations) at INAGEMP (National Institute of Population Medical Genetics), Rio de Janeiro, Brazil.,Laboratory of Congenital Malformation Epidemiology, Oswaldo Cruz Institute, FIOCRUZ, Rio de Janeiro, Brazil
| | - Kaare Christensen
- Department of Epidemiology, Institute of Public Health, University of Southern Denmark, Odense, Denmark
| | - Frederic W B Deleyiannis
- Department of Surgery, Plastic and Reconstructive Surgery, University of Colorado School of Medicine, Denver, Colorado
| | - Leigh L Field
- Department of Medical Genetics, University of British Columbia, Vancouver, Canada
| | - Jacqueline T Hecht
- Department of Pediatrics, McGovern Medical School and School of Dentistry UT Health at Houston, Houston, Texas
| | - Lina Moreno
- Department of Orthodontics, College of Dentistry, University of Iowa, Iowa City, Iowa
| | - Ieda M Orioli
- ECLAMC (Latin American Collaborative Study of Congenital Malformations) at INAGEMP (National Institute of Population Medical Genetics), Rio de Janeiro, Brazil.,Department of Genetics, Institute of Biology, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Carmencita Padilla
- Department of Pediatrics, College of Medicine; and Institute of Human Genetics, National Institutes of Health, University of the Philippines Manila, Manila, The Philippines.,Philippine Genome Center, University of the Philippines System, Manila, The Philippines
| | - Alexandre R Vieira
- Center for Craniofacial and Dental Genetics, Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania.,Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - George L Wehby
- Department of Health Management and Policy, College of Public Health, University of Iowa, Iowa City, Iowa
| | - Eleanor Feingold
- Center for Craniofacial and Dental Genetics, Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania.,Department of Biostatistics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania.,Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Seth M Weinberg
- Center for Craniofacial and Dental Genetics, Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Jeffrey C Murray
- Department of Pediatrics, Carver College of Medicine, University of Iowa, Iowa City, Iowa
| | - Mary L Marazita
- Center for Craniofacial and Dental Genetics, Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania.,Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania.,Clinical and Translational Science, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
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7
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Leslie EJ, Carlson JC, Shaffer JR, Butali A, Buxó CJ, Castilla EE, Christensen K, Deleyiannis FWB, Leigh Field L, Hecht JT, Moreno L, Orioli IM, Padilla C, Vieira AR, Wehby GL, Feingold E, Weinberg SM, Murray JC, Beaty TH, Marazita ML. Genome-wide meta-analyses of nonsyndromic orofacial clefts identify novel associations between FOXE1 and all orofacial clefts, and TP63 and cleft lip with or without cleft palate. Hum Genet 2017; 136:275-286. [PMID: 28054174 PMCID: PMC5317097 DOI: 10.1007/s00439-016-1754-7] [Citation(s) in RCA: 79] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2016] [Accepted: 12/11/2016] [Indexed: 02/07/2023]
Abstract
Nonsyndromic orofacial clefts (OFCs) are a heterogeneous group of common craniofacial birth defects with complex etiologies that include genetic and environmental risk factors. OFCs are commonly categorized as cleft lip with or without cleft palate (CL/P) and cleft palate alone (CP), which have historically been analyzed as distinct entities. Genes for both CL/P and CP have been identified via multiple genome-wide linkage and association studies (GWAS); however, altogether, known variants account for a minority of the estimated heritability in risk to these craniofacial birth defects. We performed genome-wide meta-analyses of CL/P, CP, and all OFCs across two large, multiethnic studies. We then performed population-specific meta-analyses in sub-samples of Asian and European ancestry. In addition to observing associations with known variants, we identified a novel genome-wide significant association between SNPs located in an intronic TP63 enhancer and CL/P (p = 1.16 × 10-8). Several novel loci with compelling candidate genes approached genome-wide significance on 4q21.1 (SHROOM3), 12q13.13 (KRT18), and 8p21 (NRG1). In the analysis of all OFCs combined, SNPs near FOXE1 reached genome-wide significance (p = 1.33 × 10-9). Our results support the highly heterogeneous nature of OFCs and illustrate the utility of meta-analysis for discovering new genetic risk factors.
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Affiliation(s)
- Elizabeth J Leslie
- Department of Oral Biology, School of Dental Medicine, Center for Craniofacial and Dental Genetics, University of Pittsburgh, Pittsburgh, PA, 15219, USA
| | - Jenna C Carlson
- Department of Biostatistics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - John R Shaffer
- Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Azeez Butali
- Department of Oral Pathology, Radiology and Medicine, Dows Institute for Dental Research, College of Dentistry, University of Iowa, Iowa City, IA, 52242, USA
| | - Carmen J Buxó
- School of Dental Medicine, University of Puerto Rico, San Juan, 00936, Puerto Rico
| | - Eduardo E Castilla
- CEMIC: Center for Medical Education and Clinical Research, Buenos Aires, 1431, Argentina
- ECLAMC (Latin American Collaborative Study of Congenital Malformations) at INAGEMP (National Institute of Population Medical Genetics), Rio de Janeiro, Brazil
- Laboratory of Congenital Malformation Epidemiology, Oswaldo Cruz Institute, FIOCRUZ, Rio de Janeiro, 21941-617, Brazil
| | - Kaare Christensen
- Department of Epidemiology, Institute of Public Health, University of Southern Denmark, 5230, Odense, Denmark
| | - Fred W B Deleyiannis
- Department of Surgery, Plastic and Reconstructive Surgery, University of Colorado School of Medicine, Denver, CO, 80045, USA
| | - L Leigh Field
- Department of Medical Genetics, University of British Columbia, Vancouver, V6H 3N1, Canada
| | - Jacqueline T Hecht
- Department of Pediatrics, McGovern Medical School and School of Dentistry UT Health at Houston, Houston, TX, 77030, USA
| | - Lina Moreno
- Department of Orthodontics, College of Dentistry, University of Iowa, Iowa City, IA, 52242, USA
| | - Ieda M Orioli
- ECLAMC (Latin American Collaborative Study of Congenital Malformations) at INAGEMP (National Institute of Population Medical Genetics), Rio de Janeiro, Brazil
- Department of Genetics, Institute of Biology, Federal University of Rio de Janeiro, Rio de Janeiro, 21941-617, Brazil
| | - Carmencita Padilla
- Department of Pediatrics, College of Medicine; and Institute of Human Genetics, National Institutes of Health, University of the Philippines Manila, Manila, 1101, The Philippines
| | - Alexandre R Vieira
- Department of Oral Biology, School of Dental Medicine, Center for Craniofacial and Dental Genetics, University of Pittsburgh, Pittsburgh, PA, 15219, USA
- Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - George L Wehby
- Department of Health Management and Policy, College of Public Health, University of Iowa, Iowa City, IA, 52242, USA
| | - Eleanor Feingold
- Department of Oral Biology, School of Dental Medicine, Center for Craniofacial and Dental Genetics, University of Pittsburgh, Pittsburgh, PA, 15219, USA
- Department of Biostatistics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, 15261, USA
- Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Seth M Weinberg
- Department of Oral Biology, School of Dental Medicine, Center for Craniofacial and Dental Genetics, University of Pittsburgh, Pittsburgh, PA, 15219, USA
| | - Jeffrey C Murray
- Department of Pediatrics, Carver College of Medicine, University of Iowa, Iowa City, IA, 52242, USA
| | - Terri H Beaty
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, 21205, USA
| | - Mary L Marazita
- Department of Oral Biology, School of Dental Medicine, Center for Craniofacial and Dental Genetics, University of Pittsburgh, Pittsburgh, PA, 15219, USA.
- Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, 15261, USA.
- Clinical and Translational Science, School of Medicine, University of Pittsburgh, Pittsburgh, PA, 15261, USA.
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8
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Campaña H, Rittler M, Gili JA, Poletta FA, Pawluk MS, Gimenez LG, Cosentino VR, Castilla EE, Camelo JSL. Association between a Maternal History of Miscarriages and Birth Defects. Birth Defects Res 2017; 109:254-261. [DOI: 10.1002/bdra.23563] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2016] [Revised: 07/31/2016] [Accepted: 08/01/2016] [Indexed: 11/08/2022]
Affiliation(s)
- Hebe Campaña
- Latin American Collaborative Study of Congenital Malformations (ECLAMC) at Center for Medical Education and Clinical Research (CEMIC); Buenos Aires Argentina
| | - Monica Rittler
- ECLAMC at Hospital Materno Infantil Ramón Sardá; University of Buenos Aires
| | - Juan A. Gili
- Latin American Collaborative Study of Congenital Malformations (ECLAMC) at Center for Medical Education and Clinical Research (CEMIC); Buenos Aires Argentina
| | - Fernando A. Poletta
- Latin American Collaborative Study of Congenital Malformations (ECLAMC) at Center for Medical Education and Clinical Research (CEMIC); Buenos Aires Argentina
| | - Mariela S. Pawluk
- Latin American Collaborative Study of Congenital Malformations (ECLAMC) at Center for Medical Education and Clinical Research (CEMIC); Buenos Aires Argentina
| | - Lucas G. Gimenez
- Latin American Collaborative Study of Congenital Malformations (ECLAMC) at Center for Medical Education and Clinical Research (CEMIC); Buenos Aires Argentina
| | - Viviana R. Cosentino
- Latin American Collaborative Study of Congenital Malformations (ECLAMC) at Center for Medical Education and Clinical Research (CEMIC); Buenos Aires Argentina
| | - Eduardo E. Castilla
- Latin American Collaborative Study of Congenital Malformations (ECLAMC) at Center for Medical Education and Clinical Research (CEMIC); Buenos Aires Argentina
| | - Jorge S. López Camelo
- Latin American Collaborative Study of Congenital Malformations (ECLAMC) at Center for Medical Education and Clinical Research (CEMIC); Buenos Aires Argentina
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9
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Gadow EC, Paz JE, Castilla EE, Rothe DJ, Cederqvist LL. Prenatal Detection of Chromosome Aberrations after Intercontinental Transport of Amniotic Fluid. Int J Gynaecol Obstet 2016. [DOI: 10.1002/j.1879-3479.1976.tb00587.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
| | | | | | - Desider J. Rothe
- Department of Obstetrics and Gynecology; The New York Hospital-Cornell Medical Center; New York USA
| | - Lars L. Cederqvist
- Department of Obstetrics and Gynecology; The New York Hospital-Cornell Medical Center; New York USA
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10
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Vieira-Machado CD, de Carvalho FM, Santana da Silva LC, Dos Santos SE, Martins C, Poletta FA, Mereb JC, Vieira AR, Castilla EE, Orioli IM. Analysis of the genetic ancestry of patients with oral clefts from South American admixed populations. Eur J Oral Sci 2016; 124:406-11. [PMID: 27105611 DOI: 10.1111/eos.12275] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/08/2016] [Indexed: 12/30/2022]
Abstract
Increased susceptibility to cleft lip, with or without cleft palate (CL±P) has been observed in South America, as related to Amerindian ancestry, using epidemiological data, uniparental markers, and blood groups. In this study, it was evaluated whether this increased risk remains when Amerindian ancestry is estimated using autosomal markers and considered in the predictive model. Ancestry was estimated through genotyping 62 insertion and deletion (INDEL) markers in sample sets of patients with CL±P, patients with cleft palate (CP), and controls, from Patagonia in southern Argentina and Belém in northern Brazil. The Amerindian ancestry in patients from Patagonia with CL±P was greater than in controls although it did not reach statistical significance. The European ancestry in patients with CL±P from Belém and in patients with CP from Belém and Patagonia was higher than in controls and statistically significant for patients with CP who were from Belém. This high contribution of European genetic ancestry among patients with CP who were from Belém has not been previously observed in American populations. Our results do not corroborate the currently accepted risks for CL±P and CP estimated by epidemiological studies in the North American populations and probably reflect the higher admixture found in South American ethnic groups when compared with the same ethnic groups from the North American populations.
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Affiliation(s)
- Camilla D Vieira-Machado
- ECLAMC at Department of Genetics, Institute of Biology, Federal University of Rio de Janeiro, Rio de Janeiro.,INAGEMP (National Institute of Population Medical Genetics), Rio de Janeiro
| | - Flavia M de Carvalho
- INAGEMP (National Institute of Population Medical Genetics), Rio de Janeiro.,ECLAMC at LEMC (Laboratory of Congenital Malformations Epidemiology), Oswaldo Cruz Institute, FIOCRUZ, Rio de Janeiro
| | - Luiz C Santana da Silva
- INAGEMP (National Institute of Population Medical Genetics), Rio de Janeiro.,Institute of Biological Sciences, Federal University of Pará, Belém, Pará
| | | | - Claudia Martins
- Speech Therapy Division, Ophir Loyola Hospital, Belém, Pará, Brazil
| | - Fernando A Poletta
- INAGEMP (National Institute of Population Medical Genetics), Rio de Janeiro.,ECLAMC at CEMIC (Center for Medical Education and Clinical Research) and CONICET (National Council for Scientific and Technical Investigation), Buenos Aires
| | - Juan C Mereb
- (In memoriam) ECLAMC at Hospital Zonal El Bolsón, El Bolsón, Argentina
| | - Alexandre R Vieira
- Department of Oral Biology and Pediatric Dentistry, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, USA.,Center for Craniofacial and Dental Genetics, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Eduardo E Castilla
- INAGEMP (National Institute of Population Medical Genetics), Rio de Janeiro.,ECLAMC at LEMC (Laboratory of Congenital Malformations Epidemiology), Oswaldo Cruz Institute, FIOCRUZ, Rio de Janeiro.,ECLAMC at CEMIC (Center for Medical Education and Clinical Research) and CONICET (National Council for Scientific and Technical Investigation), Buenos Aires
| | - Iêda M Orioli
- ECLAMC at Department of Genetics, Institute of Biology, Federal University of Rio de Janeiro, Rio de Janeiro.,INAGEMP (National Institute of Population Medical Genetics), Rio de Janeiro
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11
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Leslie EJ, Carlson JC, Shaffer JR, Feingold E, Wehby G, Laurie CA, Jain D, Laurie CC, Doheny KF, McHenry T, Resick J, Sanchez C, Jacobs J, Emanuele B, Vieira AR, Neiswanger K, Lidral AC, Valencia-Ramirez LC, Lopez-Palacio AM, Valencia DR, Arcos-Burgos M, Czeizel AE, Field LL, Padilla CD, Cutiongco-de la Paz EMC, Deleyiannis F, Christensen K, Munger RG, Lie RT, Wilcox A, Romitti PA, Castilla EE, Mereb JC, Poletta FA, Orioli IM, Carvalho FM, Hecht JT, Blanton SH, Buxó CJ, Butali A, Mossey PA, Adeyemo WL, James O, Braimah RO, Aregbesola BS, Eshete MA, Abate F, Koruyucu M, Seymen F, Ma L, de Salamanca JE, Weinberg SM, Moreno L, Murray JC, Marazita ML. A multi-ethnic genome-wide association study identifies novel loci for non-syndromic cleft lip with or without cleft palate on 2p24.2, 17q23 and 19q13. Hum Mol Genet 2016; 25:2862-2872. [PMID: 27033726 DOI: 10.1093/hmg/ddw104] [Citation(s) in RCA: 89] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2016] [Revised: 03/04/2016] [Accepted: 03/24/2016] [Indexed: 12/27/2022] Open
Abstract
Orofacial clefts (OFCs), which include non-syndromic cleft lip with or without cleft palate (CL/P), are among the most common birth defects in humans, affecting approximately 1 in 700 newborns. CL/P is phenotypically heterogeneous and has a complex etiology caused by genetic and environmental factors. Previous genome-wide association studies (GWASs) have identified at least 15 risk loci for CL/P. As these loci do not account for all of the genetic variance of CL/P, we hypothesized the existence of additional risk loci. We conducted a multiethnic GWAS in 6480 participants (823 unrelated cases, 1700 unrelated controls and 1319 case-parent trios) with European, Asian, African and Central and South American ancestry. Our GWAS revealed novel associations on 2p24 near FAM49A, a gene of unknown function (P = 4.22 × 10-8), and 19q13 near RHPN2, a gene involved in organizing the actin cytoskeleton (P = 4.17 × 10-8). Other regions reaching genome-wide significance were 1p36 (PAX7), 1p22 (ARHGAP29), 1q32 (IRF6), 8q24 and 17p13 (NTN1), all reported in previous GWASs. Stratification by ancestry group revealed a novel association with a region on 17q23 (P = 2.92 × 10-8) among individuals with European ancestry. This region included several promising candidates including TANC2, an oncogene required for development, and DCAF7, a scaffolding protein required for craniofacial development. In the Central and South American ancestry group, significant associations with loci previously identified in Asian or European ancestry groups reflected their admixed ancestry. In summary, we have identified novel CL/P risk loci and suggest new genes involved in craniofacial development, confirming the highly heterogeneous etiology of OFCs.
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Affiliation(s)
- Elizabeth J Leslie
- Department of Oral Biology, Center for Craniofacial and Dental Genetics, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA 15219, USA
| | - Jenna C Carlson
- Department of Oral Biology, Center for Craniofacial and Dental Genetics, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA 15219, USA.,Department of Biostatistics
| | - John R Shaffer
- Department of Oral Biology, Center for Craniofacial and Dental Genetics, 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 15261, USA
| | - Eleanor Feingold
- Department of Oral Biology, Center for Craniofacial and Dental Genetics, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA 15219, USA.,Department of Biostatistics.,Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - George Wehby
- Department of Health Management and Policy, College of Public Health, University of Iowa, Iowa City, IA 52246, USA
| | - Cecelia A Laurie
- Department of Biostatistics, Genetic Coordinating Center, University of Washington, Seattle, WA 98195, USA
| | - Deepti Jain
- Department of Biostatistics, Genetic Coordinating Center, University of Washington, Seattle, WA 98195, USA
| | - Cathy C Laurie
- Department of Biostatistics, Genetic Coordinating Center, University of Washington, Seattle, WA 98195, USA
| | - Kimberly F Doheny
- Center for Inherited Disease Research, Johns Hopkins University, Baltimore, MD 21224, USA
| | - Toby McHenry
- Department of Oral Biology, Center for Craniofacial and Dental Genetics, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA 15219, USA
| | - Judith Resick
- Department of Oral Biology, Center for Craniofacial and Dental Genetics, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA 15219, USA
| | - Carla Sanchez
- Department of Oral Biology, Center for Craniofacial and Dental Genetics, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA 15219, USA
| | - Jennifer Jacobs
- Department of Oral Biology, Center for Craniofacial and Dental Genetics, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA 15219, USA
| | - Beth Emanuele
- Department of Oral Biology, Center for Craniofacial and Dental Genetics, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA 15219, USA
| | - Alexandre R Vieira
- Department of Oral Biology, Center for Craniofacial and Dental Genetics, 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 15261, USA
| | - Katherine Neiswanger
- Department of Oral Biology, Center for Craniofacial and Dental Genetics, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA 15219, USA
| | | | | | | | - Dora Rivera Valencia
- Population Genetics and Mutacarcinogenesis Group, University of Antioquia, Medellin 050001, Colombia
| | - Mauricio Arcos-Burgos
- Genomics and Predictive Medicine, Genome Biology Department, John Curtin School of Medical Research, ANU College of Medicine, Biology & Environment, The Australian National University, Canberra, ACT 0200, Australia
| | - Andrew E Czeizel
- Foundation for the Community Control of Hereditary Diseases, Budapest 1051, Hungary
| | - L Leigh Field
- Department of Medical Genetics, University of British Columbia, Vancouver V6H 3N1, Canada
| | - Carmencita D Padilla
- Department of Pediatrics, College of Medicine; and Institute of Human Genetics, National Institutes of Health; University of the Philippines Manila, Manilla, The Philippines 1000.,Philippine Genome Center, University of the Philippines System, Manilla, The Philippines 1101
| | - Eva Maria C Cutiongco-de la Paz
- Department of Pediatrics, College of Medicine; and Institute of Human Genetics, National Institutes of Health; University of the Philippines Manila, Manilla, The Philippines 1000.,Philippine Genome Center, University of the Philippines System, Manilla, The Philippines 1101
| | - Frederic Deleyiannis
- Department of Surgery, Plastic and Reconstructive Surgery, University of Colorado School of Medicine, Denver, CO 80045, USA
| | - Kaare Christensen
- Department of Epidemiology, Institute of Public Health, University of Southern Denmark, Odense DK-5230 Denmark
| | - Ronald G Munger
- Department of Nutrition, Dietetics, and Food Sciences, Utah State University, Logan, UT 84322, USA
| | - Rolv T Lie
- Department of Global Public Health and Primary Care, University of Bergen, Bergen, NO-5020 Norway
| | - Allen Wilcox
- Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
| | | | - Eduardo E Castilla
- CEMIC: Center for Medical Education and Clinical Research, Buenos Aires 1431, Argentina.,Laboratory of Congenital Malformation Epidemiology, Oswaldo Cruz Institute, FIOCRUZ, Rio de Janeiro 21040-360, Brazil.,ECLAMC (Latin American Collaborative Study of Congenital Malformations) at INAGEMP (National Institute of Population Medical Genetics)
| | - Juan C Mereb
- ECLAMC (Latin American Collaborative Study of Congenital Malformations) at Hospital de Area, El Bolson 8430, Argentina
| | - Fernando A Poletta
- CEMIC: Center for Medical Education and Clinical Research, Buenos Aires 1431, Argentina.,Laboratory of Congenital Malformation Epidemiology, Oswaldo Cruz Institute, FIOCRUZ, Rio de Janeiro 21040-360, Brazil.,ECLAMC (Latin American Collaborative Study of Congenital Malformations) at INAGEMP (National Institute of Population Medical Genetics)
| | - Iêda M Orioli
- ECLAMC (Latin American Collaborative Study of Congenital Malformations) at INAGEMP (National Institute of Population Medical Genetics).,Department of Genetics, Institute of Biology, Federal University of Rio de Janeiro, Rio de Janeiro 21941-617, Brazil
| | - Flavia M Carvalho
- Laboratory of Congenital Malformation Epidemiology, Oswaldo Cruz Institute, FIOCRUZ, Rio de Janeiro 21040-360, Brazil.,ECLAMC (Latin American Collaborative Study of Congenital Malformations) at INAGEMP (National Institute of Population Medical Genetics)
| | - Jacqueline T Hecht
- Department of Pediatrics, University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Susan H Blanton
- Dr. John T. Macdonald Foundation Department of Human Genetics, Hussman Institute for Human Genomics, Mailman School of Medicine, University of Miami, Miami, FL 33124, USA
| | - Carmen J Buxó
- School of Dental Medicine, University of Puerto Rico, San Juan, Puerto Rico 00936
| | - Azeez Butali
- Department of Oral Pathology, Radiology and Medicine, Dows Institute for Dental Research, College of Dentistry
| | - Peter A Mossey
- Department of Orthodontics, University of Dundee, Dundee DD1 4HN, Scotland
| | - Wasiu L Adeyemo
- Department of Oral and Maxillofacial Surgery. College of Medicine, University of Lagos, Lagos P.M.B. 12003, Nigeria
| | - Olutayo James
- Department of Oral and Maxillofacial Surgery. College of Medicine, University of Lagos, Lagos P.M.B. 12003, Nigeria
| | - Ramat O Braimah
- Department of Oral and Maxillofacial Surgery, Obafemi Awolowo University, Ife-Ife P.M.B. 13, Nigeria
| | - Babatunde S Aregbesola
- Department of Oral and Maxillofacial Surgery, Obafemi Awolowo University, Ife-Ife P.M.B. 13, Nigeria
| | - Mekonen A Eshete
- Surgical Department, School of Medicine, Addis Ababa University, Addis Ababa, P.O. Box 26493, Ethiopia
| | - Fikre Abate
- Surgical Department, School of Medicine, Addis Ababa University, Addis Ababa, P.O. Box 26493, Ethiopia
| | - Mine Koruyucu
- Department of Pedodontics, Istanbul University, Istanbul 34116, Turkey
| | - Figen Seymen
- Department of Pedodontics, Istanbul University, Istanbul 34116, Turkey
| | - Lian Ma
- Peking University, School of Stomatology, Beijing 100081, China
| | | | - Seth M Weinberg
- Department of Oral Biology, Center for Craniofacial and Dental Genetics, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA 15219, USA
| | | | - Jeffrey C Murray
- Department of Pediatrics, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
| | - Mary L Marazita
- Department of Oral Biology, Center for Craniofacial and Dental Genetics, 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 15261, USA.,Clinical and Translational Science, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA
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12
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Gimenez LG, Krupitzki HB, Momany AM, Gili JA, Poletta FA, Campaña H, Cosentino VR, Saleme C, Pawluk M, Murray JC, Castilla EE, Gadow EC, Lopez-Camelo JS. Maternal and neonatal epidemiological features in clinical subtypes of preterm birth. J Matern Fetal Neonatal Med 2015; 29:3153-61. [PMID: 26701680 DOI: 10.3109/14767058.2015.1118035] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVE This study was designed to characterize and compare the maternal and newborn epidemiological characteristics through analysis of environmental factors, sociodemographic characteristics and clinical characteristics between the different clinical subtypes of preterm birth (PTB): Idiopathic (PTB-I), premature rupture of the membranes (PTB-PPROM) and medically indicated (PTB-M). The two subtypes PTB-I and PTB-PPROM grouped are called spontaneous preterm births (PTB-S). METHODS A retrospective, observational study was conducted in 1.291 preterm nonmalformed singleton live-born children to nulliparous and multiparous mother's in Tucumán-Argentina between 2005 and 2010. Over 50 maternal variables and 10 newborn variables were compared between the different clinical subtypes. The comparisons were done to identify heterogeneity between subtypes of preterm birth: (PTB-S) versus (PTB-M), and within spontaneous subtype: (PTB-I) versus (PTB-PPROM). In the same way, two conditional logistic multivariate regressions were used to compare the odds ratio (OR) between PTB-S and PTB-M, as well as PTB-I and PTB-PPROM. We matched for maternal age when comparing maternal variables and gestational age when comparing infant variables. RESULTS The PTB-I subtype was characterized by younger mothers of lower socio-economic status, PTB-PPROM was characterized by environmental factors resulting from inflammatory processes, and PTB-M was characterized by increased maternal or fetal risk pregnancies. CONCLUSIONS The main risk factor for PTB-I and PTB-M was having had a prior preterm delivery; however, previous spontaneous abortion was not a risk factor, suggesting a reproductive selection mechanism.
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Affiliation(s)
- Lucas G Gimenez
- a Dirección De Investigación, CEMIC (Centro De Educación Médica E Investigaciones Clínicas) , Galván 4102 , Buenos Aires , Argentina .,b ECLAMC (Estudio Colaborativo Latinoamericano De Malformaciones Congénitas) at CEMIC , Buenos Aires , Argentina
| | - Hugo B Krupitzki
- a Dirección De Investigación, CEMIC (Centro De Educación Médica E Investigaciones Clínicas) , Galván 4102 , Buenos Aires , Argentina
| | | | - Juan A Gili
- a Dirección De Investigación, CEMIC (Centro De Educación Médica E Investigaciones Clínicas) , Galván 4102 , Buenos Aires , Argentina .,b ECLAMC (Estudio Colaborativo Latinoamericano De Malformaciones Congénitas) at CEMIC , Buenos Aires , Argentina
| | - Fernando A Poletta
- a Dirección De Investigación, CEMIC (Centro De Educación Médica E Investigaciones Clínicas) , Galván 4102 , Buenos Aires , Argentina .,b ECLAMC (Estudio Colaborativo Latinoamericano De Malformaciones Congénitas) at CEMIC , Buenos Aires , Argentina .,d Fundação Oswaldo Cruz, INAGEMP (Instituto Nacional De Genética Médica Populacional) at Laboratório De Epidemiologia De Malformações Congênitas, Instituto Oswaldo Cruz , Rio De Janeiro , Brazil
| | - Hebe Campaña
- e CIC (Comisión De Investigaciones Científicas) at La Plata , Buenos Aires , Argentina , and
| | - Viviana R Cosentino
- b ECLAMC (Estudio Colaborativo Latinoamericano De Malformaciones Congénitas) at CEMIC , Buenos Aires , Argentina
| | - César Saleme
- f Maternidad Nuestra Señora De La Merced , Tucumán , Argentina
| | - Mariela Pawluk
- a Dirección De Investigación, CEMIC (Centro De Educación Médica E Investigaciones Clínicas) , Galván 4102 , Buenos Aires , Argentina .,b ECLAMC (Estudio Colaborativo Latinoamericano De Malformaciones Congénitas) at CEMIC , Buenos Aires , Argentina
| | | | - Eduardo E Castilla
- b ECLAMC (Estudio Colaborativo Latinoamericano De Malformaciones Congénitas) at CEMIC , Buenos Aires , Argentina .,d Fundação Oswaldo Cruz, INAGEMP (Instituto Nacional De Genética Médica Populacional) at Laboratório De Epidemiologia De Malformações Congênitas, Instituto Oswaldo Cruz , Rio De Janeiro , Brazil
| | - Enrique C Gadow
- a Dirección De Investigación, CEMIC (Centro De Educación Médica E Investigaciones Clínicas) , Galván 4102 , Buenos Aires , Argentina
| | - Jorge S Lopez-Camelo
- a Dirección De Investigación, CEMIC (Centro De Educación Médica E Investigaciones Clínicas) , Galván 4102 , Buenos Aires , Argentina .,b ECLAMC (Estudio Colaborativo Latinoamericano De Malformaciones Congénitas) at CEMIC , Buenos Aires , Argentina .,d Fundação Oswaldo Cruz, INAGEMP (Instituto Nacional De Genética Médica Populacional) at Laboratório De Epidemiologia De Malformações Congênitas, Instituto Oswaldo Cruz , Rio De Janeiro , Brazil
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13
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Anjomshoaa I, Briseño-Ruiz J, Deeley K, Poletta FA, Mereb JC, Leite AL, Barreta PATM, Silva TL, Dizak P, Ruff T, Patir A, Koruyucu M, Abbasoğlu Z, Casado PL, Brown A, Zaky SH, Bayram M, Küchler EC, Cooper ME, Liu K, Marazita ML, Tanboğa İ, Granjeiro JM, Seymen F, Castilla EE, Orioli IM, Sfeir C, Owyang H, Buzalaf MAR, Vieira AR. Aquaporin 5 Interacts with Fluoride and Possibly Protects against Caries. PLoS One 2015; 10:e0143068. [PMID: 26630491 PMCID: PMC4668048 DOI: 10.1371/journal.pone.0143068] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2015] [Accepted: 10/30/2015] [Indexed: 12/22/2022] Open
Abstract
Aquaporins (AQP) are water channel proteins and the genes coding for AQP2, AQP5, and AQP6 are clustered in 12q13. Since AQP5 is expressed in serous acinar cells of salivary glands, we investigated its involvement in caries. DNA samples from 1,383 individuals from six groups were studied. Genotypes of eight single nucleotide polymorphisms covering the aquaporin locus were tested for association with caries experience. Interaction with genes involved in enamel formation was tested. The association between enamel microhardness at baseline, after creation of artificial caries lesion, and after exposure to fluoride and the genetic markers in AQP5 was tested. Finally, AQP5 expression in human whole saliva, after exposure to fluoride in a mammary gland cell line, which is known to express AQP5, and in Wistar rats was also verified. Nominal associations were found between caries experience and markers in the AQP5 locus. Since these associations suggested that AQP5 may be inhibited by levels of fluoride in the drinking water that cause fluorosis, we showed that fluoride levels above optimal levels change AQP5 expression in humans, cell lines, and rats. We have shown that AQP5 is involved in the pathogenesis of caries and likely interacts with fluoride.
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Affiliation(s)
- Ida Anjomshoaa
- Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, United States of America
| | - Jessica Briseño-Ruiz
- Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, United States of America
| | - Kathleen Deeley
- Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, United States of America
| | - Fernardo A. Poletta
- ECLAMC (Latin American Collaborative Study of Congenital Malformations) at CEMIC (Center for Medical Education and Clinical Research), Buenos Aires, Argentina
| | - Juan C. Mereb
- ECLAMC at Hospital de Area El Bolson, El Bolson, RN, Argentina
| | - Aline L. Leite
- Bauru School of Dentistry, University of São Paulo, Bauru, SP, Brazil
| | | | - Thelma L. Silva
- Bauru School of Dentistry, University of São Paulo, Bauru, SP, Brazil
| | - Piper Dizak
- Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, United States of America
| | - Timothy Ruff
- Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, United States of America
| | - Asli Patir
- Department of Pedodontics, Medipol Istanbul University, Istanbul, Turkey
| | - Mine Koruyucu
- Department of Pedodontics, Istanbul University, Istanbul, Turkey
| | - Zerrin Abbasoğlu
- Department of Pediatric Dentistry, Yeditepe University, Faculty of Dentistry, Istanbul, Turkey
| | - Priscila L. Casado
- Dental School, Clinical Research Unit, Federal Fluminense University - UFF, Niterói, RJ, Brazil
- Biology Institute, Federal Fluminense University - UFF, Niterói, RJ, Brazil
| | - Andrew Brown
- Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, United States of America
| | - Samer H. Zaky
- Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, United States of America
| | - Merve Bayram
- Department of Pedodontics, Medipol Istanbul University, Istanbul, Turkey
| | - Erika C. Küchler
- Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, United States of America
| | - Margaret E. Cooper
- Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, United States of America
| | - Kai Liu
- Department of Endodontics, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, United States of America
| | - Mary L. Marazita
- Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, United States of America
| | - İlknur Tanboğa
- Department of Pediatric Dentistry, Marmara University, Faculty of Dentistry, Istanbul, Turkey
| | - José M. Granjeiro
- Dental School, Clinical Research Unit, Federal Fluminense University - UFF, Niterói, RJ, Brazil
- National Institute of Metrology (INMETRO), Niterói, RJ, Brazil
| | - Figen Seymen
- Department of Pedodontics, Istanbul University, Istanbul, Turkey
| | - Eduardo E. Castilla
- ECLAMC (Latin American Collaborative Study of Congenital Malformations) at CEMIC (Center for Medical Education and Clinical Research), Buenos Aires, Argentina
- ECLAMC at INAGEMP-CNPq (National Institute of Population Medical Genetics) at Department of Genetics, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
| | - Iêda M. Orioli
- ECLAMC at INAGEMP-CNPq (National Institute of Population Medical Genetics) at Department of Genetics, Institute of Biology, Center of Health Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Charles Sfeir
- Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, United States of America
| | - Hongjiao Owyang
- Department of Pediatric Dentistry, Marmara University, Faculty of Dentistry, Istanbul, Turkey
| | | | - Alexandre R. Vieira
- Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, United States of America
- * E-mail:
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Abstract
OBJECTIVES We sought to quantify how socioeconomic, health care, demographic, and geographic effects explain racial disparities in low birth weight (LBW) and preterm birth (PTB) rates in Brazil. METHODS We employed a sample of 8949 infants born between 1995 and 2009 in 15 cities and 7 provinces in Brazil. We focused on disparities in LBW (< 2500 g) and PTB (< 37 gestational weeks) prevalence between infants of African ancestry alone or African mixed with other ancestries, and European ancestry alone. We used a decomposition model to quantify the contributions of conceptually relevant factors to these disparities. RESULTS The model explained 45% to 94% of LBW and 64% to 94% of PTB disparities between the African ancestry groups and European ancestry. Differences in prenatal care use and geographic location were the most important contributors, followed by socioeconomic differences. The model explained the majority of the disparities for mixed African ancestry and part of the disparity for African ancestry alone. CONCLUSIONS Public policies to improve children's health should target prenatal care and geographic location differences to reduce health disparities between infants of African and European ancestries in Brazil.
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Affiliation(s)
- Kwame A Nyarko
- Kwame A. Nyarko and George L. Wehby are with the Department of Health Management and Policy, University of Iowa, Iowa City. Jorge Lopez-Camelo and Eduardo E. Castilla are with Estudio Colaborativo Latino Americano de Malformaciones Congenitas (ECLAMC), Centro de Educación Médica e Investigación Clínica, Buenos Aires, Argentina, and ECLAMC, Laboratório de Epidemiologia de Malformações Congênitas, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | - Jorge Lopez-Camelo
- Kwame A. Nyarko and George L. Wehby are with the Department of Health Management and Policy, University of Iowa, Iowa City. Jorge Lopez-Camelo and Eduardo E. Castilla are with Estudio Colaborativo Latino Americano de Malformaciones Congenitas (ECLAMC), Centro de Educación Médica e Investigación Clínica, Buenos Aires, Argentina, and ECLAMC, Laboratório de Epidemiologia de Malformações Congênitas, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | - Eduardo E Castilla
- Kwame A. Nyarko and George L. Wehby are with the Department of Health Management and Policy, University of Iowa, Iowa City. Jorge Lopez-Camelo and Eduardo E. Castilla are with Estudio Colaborativo Latino Americano de Malformaciones Congenitas (ECLAMC), Centro de Educación Médica e Investigación Clínica, Buenos Aires, Argentina, and ECLAMC, Laboratório de Epidemiologia de Malformações Congênitas, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | - George L Wehby
- Kwame A. Nyarko and George L. Wehby are with the Department of Health Management and Policy, University of Iowa, Iowa City. Jorge Lopez-Camelo and Eduardo E. Castilla are with Estudio Colaborativo Latino Americano de Malformaciones Congenitas (ECLAMC), Centro de Educación Médica e Investigación Clínica, Buenos Aires, Argentina, and ECLAMC, Laboratório de Epidemiologia de Malformações Congênitas, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
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Fonseca RF, de Carvalho FM, Poletta FA, Montaner D, Dopazo J, Mereb JC, Moreira MAM, Seuanez HN, Vieira AR, Castilla EE, Orioli IM. Family-based genome-wide association study in Patagonia confirms the association of theDMDlocus and cleft lip and palate. Eur J Oral Sci 2015; 123:381-384. [DOI: 10.1111/eos.12212] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/05/2015] [Indexed: 02/03/2023]
Affiliation(s)
- Renata F. Fonseca
- Department of Genetics; Institute of Biology, Federal University of Rio de Janeiro; Rio de Janeiro Brazil
- ECLAMC (Latin-American Collaborative Study of Congenital Malformations) at INAGEMP (National Institute of Population Medical Genetics); Rio de Janeiro Brazil
| | - Flávia M. de Carvalho
- Department of Genetics; Institute of Biology, Federal University of Rio de Janeiro; Rio de Janeiro Brazil
- ECLAMC (Latin-American Collaborative Study of Congenital Malformations) at INAGEMP (National Institute of Population Medical Genetics); Rio de Janeiro Brazil
- ECLAMC at LEMC (Laboratory of Congenital Malformation Epidemiology); Oswaldo Cruz Institute; FIOCRUZ; Rio de Janeiro Brazil
| | - Fernando A. Poletta
- ECLAMC (Latin-American Collaborative Study of Congenital Malformations) at INAGEMP (National Institute of Population Medical Genetics); Rio de Janeiro Brazil
- ECLAMC at LEMC (Laboratory of Congenital Malformation Epidemiology); Oswaldo Cruz Institute; FIOCRUZ; Rio de Janeiro Brazil
- ECLAMC at CEMIC (Center for Medical Education and Clinical Research) and CONICET (National Council for Scientific and Technical Investigation); Buenos Aires Argentina
| | - David Montaner
- CIPF (Computational Genomics Department, Centro de Investigación Príncipe Felipe); and CIBERER (Centro de Investigación Biomédica en Red de Enfermedades Raras); Valencia Spain
| | - Joaquin Dopazo
- CIPF (Computational Genomics Department, Centro de Investigación Príncipe Felipe); and CIBERER (Centro de Investigación Biomédica en Red de Enfermedades Raras); Valencia Spain
| | - Juan C. Mereb
- (In memoriam); ECLAMC at Hospital Zonal El Bolsón; El Bolsón Argentina
| | | | - Hector N. Seuanez
- Department of Genetics; Institute of Biology, Federal University of Rio de Janeiro; Rio de Janeiro Brazil
- Genetics Division; National Cancer Institute; Rio de Janeiro Brazil
| | - Alexandre R. Vieira
- Departments of Oral Biology and Pediatric Dentistry and Center for Craniofacial and Dental Genetics; School of Dental Medicine; University of Pittsburgh; Pittsburgh PA USA
| | - Eduardo E. Castilla
- ECLAMC (Latin-American Collaborative Study of Congenital Malformations) at INAGEMP (National Institute of Population Medical Genetics); Rio de Janeiro Brazil
- ECLAMC at LEMC (Laboratory of Congenital Malformation Epidemiology); Oswaldo Cruz Institute; FIOCRUZ; Rio de Janeiro Brazil
- ECLAMC at CEMIC (Center for Medical Education and Clinical Research) and CONICET (National Council for Scientific and Technical Investigation); Buenos Aires Argentina
| | - Iêda M. Orioli
- Department of Genetics; Institute of Biology, Federal University of Rio de Janeiro; Rio de Janeiro Brazil
- ECLAMC (Latin-American Collaborative Study of Congenital Malformations) at INAGEMP (National Institute of Population Medical Genetics); Rio de Janeiro Brazil
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Rittler M, Campaña H, Ermini ML, Gili JA, Poletta FA, Pawluk MS, Giménez LG, Cosentino VR, Castilla EE, López-Camelo JS. Gastroschisis and young mothers: What makes them different from other mothers of the same age? ACTA ACUST UNITED AC 2015; 103:536-43. [DOI: 10.1002/bdra.23374] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Monica Rittler
- Latin American Collaborative Study of Congenital Malformations (ECLAMC) at Hospital Materno Infantil Ramón Sardá; Buenos Aires Argentina
| | - Hebe Campaña
- ECLAMC at Department of Research; CEMIC (Center for Medical Education and Clinical Research); Buenos Aires Argentina
- Commission of Scientific Research (CIC); La Plata Buenos Aires Argentina
| | - Monica L. Ermini
- Department of Obstetrics; Hospital Italiano; La Plata Buenos Aires Argentina
| | - Juan A. Gili
- ECLAMC at Department of Research; CEMIC (Center for Medical Education and Clinical Research); Buenos Aires Argentina
| | - Fernando A. Poletta
- ECLAMC at Department of Research; CEMIC (Center for Medical Education and Clinical Research); Buenos Aires Argentina
- National Institute of Population Medical Genetics (INAGEMP) at Laboratório de Epidemiologia de Malformações Congênitas, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz; Rio de Janeiro Brazil
| | - Mariela S. Pawluk
- ECLAMC at Department of Research; CEMIC (Center for Medical Education and Clinical Research); Buenos Aires Argentina
| | - Lucas G. Giménez
- ECLAMC at Department of Research; CEMIC (Center for Medical Education and Clinical Research); Buenos Aires Argentina
| | - Viviana R. Cosentino
- ECLAMC at Department of Research; CEMIC (Center for Medical Education and Clinical Research); Buenos Aires Argentina
| | - Eduardo E. Castilla
- ECLAMC at Department of Research; CEMIC (Center for Medical Education and Clinical Research); Buenos Aires Argentina
- National Institute of Population Medical Genetics (INAGEMP) at Laboratório de Epidemiologia de Malformações Congênitas, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz; Rio de Janeiro Brazil
| | - Jorge S López-Camelo
- ECLAMC at Department of Research; CEMIC (Center for Medical Education and Clinical Research); Buenos Aires Argentina
- National Institute of Population Medical Genetics (INAGEMP) at Laboratório de Epidemiologia de Malformações Congênitas, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz; Rio de Janeiro Brazil
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Wehby GL, Gili JA, Pawluk M, Castilla EE, López-Camelo JS. Disparities in birth weight and gestational age by ethnic ancestry in South American countries. Int J Public Health 2014; 60:343-51. [PMID: 25542227 DOI: 10.1007/s00038-014-0639-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2014] [Revised: 11/24/2014] [Accepted: 12/13/2014] [Indexed: 11/30/2022] Open
Abstract
OBJECTIVES We examine disparities in birth weight and gestational age by ethnic ancestry in 2000-2011 in eight South American countries. METHODS The sample included 60,480 singleton live births. Regression models were estimated to evaluate differences in birth outcomes by ethnic ancestry controlling for time trends. RESULTS Significant disparities were found in seven countries. In four countries-Brazil, Ecuador, Uruguay, and Venezuela-we found significant disparities in both low birth weight and preterm birth. Disparities in preterm birth alone were observed in Argentina, Bolivia, and Colombia. Several differences in continuous birth weight, gestational age, and fetal growth rate were also observed. There were no systematic patterns of disparities between the evaluated ethnic ancestry groups across the study countries, in that no racial/ethnic group consistently had the best or worst outcomes in all countries. CONCLUSIONS Racial/ethnic disparities in infant health are common in several South American countries. Differences across countries suggest that racial/ethnic disparities are driven by social and economic mechanisms. Researchers and policymakers should acknowledge these disparities and develop research and policy programs to effectively target them.
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Affiliation(s)
- George L Wehby
- Department of Health Management and Policy, College of Public Health, University of Iowa, 145N. Riverside Dr., 100 College of Public Health Bldg., Room N248, Iowa City, IA, 52242-2007, USA,
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Saldarriaga W, Isaza C, Castilla EE. Eight year follow-up of an epidemic of sirenomelia in Cali, Colombia. Am J Med Genet A 2014; 164A:2403. [PMID: 25044506 DOI: 10.1002/ajmg.a.36400] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2013] [Accepted: 11/24/2013] [Indexed: 11/06/2022]
Affiliation(s)
- Wilmar Saldarriaga
- Grupo de Malformaciones Congénitas Perinatales y Dismorfología (MACOS), Departamento de Morfología, Ginecología y Obstetricia, Facultad de Ciencias de la Salud, Universidad del Valle, Cali, Valle, Colombia
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Weber ML, Hsin HY, Kalay E, BroŽková DS, Shimizu T, Bayram M, Deeley K, Küchler EC, Forella J, Ruff TD, Trombetta VM, Sencak RC, Hummel M, Briseño-Ruiz J, Revu SK, Granjeiro JM, Antunes LS, Antunes LA, Abreu FV, Costa MC, Tannure PN, Koruyucu M, Patir A, Poletta FA, Mereb JC, Castilla EE, Orioli IM, Marazita ML, Ouyang H, Jayaraman T, Seymen F, Vieira AR. Role of estrogen related receptor beta (ESRRB) in DFN35B hearing impairment and dental decay. BMC Med Genet 2014; 15:81. [PMID: 25023176 PMCID: PMC4112727 DOI: 10.1186/1471-2350-15-81] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/03/2014] [Accepted: 07/07/2014] [Indexed: 12/30/2022]
Abstract
BACKGROUND Congenital forms of hearing impairment can be caused by mutations in the estrogen related receptor beta (ESRRB) gene. Our initial linkage studies suggested the ESRRB locus is linked to high caries experience in humans. METHODS We tested for association between the ESRRB locus and dental caries in 1,731 subjects, if ESRRB was expressed in whole saliva, if ESRRB was associated with the microhardness of the dental enamel, and if ESRRB was expressed during enamel development of mice. RESULTS Two families with recessive ESRRB mutations and DFNB35 hearing impairment showed more extensive dental destruction by caries. Expression levels of ESRRB in whole saliva samples showed differences depending on sex and dental caries experience. CONCLUSIONS The common etiology of dental caries and hearing impairment provides a venue to assist in the identification of individuals at risk to either condition and provides options for the development of new caries prevention strategies, if the associated ESRRB genetic variants are correlated with efficacy.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Alexandre R Vieira
- Department of Oral Biology, 614 Salk Hall, School of Dental Medicine, University of Pittsburgh, 3501 Terrace Street, 15261 Pittsburgh, PA, USA.
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Abstract
This is a guide for fieldwork in Population Medical Genetics research projects. Data collection, handling, and analysis from large pedigrees require the use of specific tools and methods not widely familiar to human geneticists, unfortunately leading to ineffective graphic pedigrees. Initially, the objective of the pedigree must be decided, and the available information sources need to be identified and validated. Data collection and recording by the tabulated method is advocated, and the involved techniques are presented. Genealogical and personal information are the two main components of pedigree data. While the latter is unique to each investigation project, the former is solely represented by gametic links between persons. The triad of a given pedigree member and its two parents constitutes the building unit of a genealogy. Likewise, three ID numbers representing those three elements of the triad is the record field required for any pedigree analysis. Pedigree construction, as well as pedigree and population data analysis, varies according to the pre-established objectives, the existing information, and the available resources.
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Affiliation(s)
- Fernando A Poletta
- Estudio Colaborativo Latinoamericano de Malformaciones Congénitas, Instituto Nacional de Genética Médica Populacional, Rio de Janeiro, RJ, Brazil . ; Latin American Collaborative Study of Congenital Malformations, Center for Medical Education and Clinical Research, Buenos Aires, Argentina
| | - Ieda M Orioli
- Estudio Colaborativo Latinoamericano de Malformaciones Congénitas, Instituto Nacional de Genética Médica Populacional, Rio de Janeiro, RJ, Brazil . ; Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Eduardo E Castilla
- Estudio Colaborativo Latinoamericano de Malformaciones Congénitas, Instituto Nacional de Genética Médica Populacional, Rio de Janeiro, RJ, Brazil . ; Latin American Collaborative Study of Congenital Malformations, Center for Medical Education and Clinical Research, Buenos Aires, Argentina
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Luquetti DV, Saltzman BS, Lopez-Camelo J, Dutra MDG, Castilla EE. Risk factors and demographics for microtia in South America: a case-control analysis. ACTA ACUST UNITED AC 2014; 97:736-43. [PMID: 24265127 DOI: 10.1002/bdra.23193] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2013] [Revised: 08/09/2013] [Accepted: 08/27/2013] [Indexed: 11/11/2022]
Abstract
BACKGROUND The etiopathogenesis of microtia is still unknown in the majority of the cases, particularly for individuals presenting with isolated microtia. Our aim was to evaluate potential risk factors for this condition using a case-control approach. METHODS We analyzed data from 1,194 live births with isolated microtia enrolled in the ECLAMC study (Estudio Colaborativo Latino Americano de Malformaciones Congénitas) from 1982 to 2011 and their respective controls. Odds ratios (ORs) were estimated with logistic regression models along with 95% confidence intervals for the resulting OR estimates controlling for the effects of potential confounders (sex, maternal age, hospital, and year of birth) for an adjusted OR (aOR). RESULTS Multiparity was associated with a higher risk of microtia compared with primiparity (aOR, 1.5; 95% confidence interval [CI], 1.2-1.8), with women who had eight or more prior pregnancies having the highest risk (aOR, 2.8; 95% CI, 1.6-5.2). Women who presented with cold-like symptoms were at higher risk for microtia (aOR, 2.2; 95% CI, 1.2-3.9) as well as those that used tobacco or alcohol during pregnancy (aOR, 1.7; 95% CI, 1.1-2.6 and aOR, 1.4; 95% CI, 0.9-2.1, respectively). The association with alcohol use appeared to be limited to those women who reported binge drinking during pregnancy (aOR, 1.4; 95% CI, 0.7-3.1). Cases from hospitals at low altitude (<2500 m) tended to have more severe types of microtia than those from hospitals at high altitude. CONCLUSION These results support the hypothesis that, in addition to teratogens, other nongenetic risk factors contribute to the occurrence of isolated microtia.
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Affiliation(s)
- Daniela V Luquetti
- Seattle Children's Hospital, Craniofacial Center, Seattle, Washington; University of Washington, Department of Pediatrics, Seattle, Washington
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Abstract
Here we propose a registration process for population genetic isolates, usually geographic clusters of genetic disorders, based on the systematic search of rumors, defined as any type of account regardless of its reliability. Systematically ascertained rumors are recorded, and validated through a progressive process of pre-established steps. This paper outlines the conceptual basis for this approach and presents the preliminary results from a rumor-based nationwide registry of genetically isolated populations, named CENISO (Censo Nacional de Isolados), operating in Brazil since 2009. During the first four years of its existence (2009–2013), a total of 191 Rumors were registered and validated, resulting in a prevalence rate of one per million inhabitants of Brazil. When the five statutory geographic regions of Brazil were considered, more Rumors were registered for the Northeast (2.11; 1.74–2.54 per 106) than for the remaining four regions, North, Center-West, Southeast, and South, which did not differ among themselves. About half (86/191) of the recorded rumors were proven to be geographic clusters; of these disorders, 58 were autosomal recessive, 17 autosomal dominant, 5 X-linked, 3 multifactorial, and one environmental (thalidomide embryopathy).
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Affiliation(s)
- Eduardo E Castilla
- Instituto Nacional de Genética Médica Populacional, Latin American Collaborative Study of Congenital Malformations, Center for Medical Education and Clinical Research, Buenos Aires, Argentina
| | - Lavinia Schuler-Faccini
- Departamento de Genética, Instituto Nacional de Genética Médica Populacional, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
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A Nyarko K, López-Camelo J, E Castilla E, L Wehby G. [Explaining racial disparities in infant health in Brazil]. Rev Panam Salud Publica 2014; 35:305-316. [PMID: 24870011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023] Open
Abstract
OBJECTIVES We sought to quantify how socioeconomic, health care, demographic, and geographic effects explain racial disparities in low birth weight (LBW) and preterm birth (PTB) rates in Brazil. METHODS We employed a sample of 8 949 infants born between 1995 and 2009 in 15 cities and 7 provinces in Brazil. We focused on disparities in LBW (< 2 500 g) and PTB (< 37 gestational weeks) prevalence between infants of African ancestry alone or African mixed with other ancestries, and European ancestry alone. We used a decomposition model to quantify the contributions of conceptually relevant factors to these disparities. RESULTS The model explained 45% to 94% of LBW and 64% to 94% of PTB disparities between the African ancestry groups and European ancestry. Differences in prenatal care use and geographic location were the most important contributors, followed by socioeconomic differences. The model explained the majority of the disparities for mixed African ancestry and part of the disparity for African ancestry alone. CONCLUSIONS Public policies to improve children's health should target prenatal care and geographic location differences to reduce health disparities between infants of African and European ancestries in Brazil.
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Affiliation(s)
- Kwame A Nyarko
- Departamento de Gestión y Políticas de Salud, Universidad de Iowa en la ciudad de Iowa, Iowa, Estados Unidos de América,
| | - Jorge López-Camelo
- Latinoamericano de Malformaciones Congénitas, Centro de Educación Médica e Investigación Clínica, Buenos Aire, Buenos Aires, Argentina
| | - Eduardo E Castilla
- Latinoamericano de Malformaciones Congénitas, Centro de Educación Médica e Investigación Clínica, Buenos Aire, Buenos Aires, Argentina
| | - George L Wehby
- Departamento de Gestión y Políticas de Salud, Universidad de Iowa en la ciudad de Iowa, Iowa, Estados Unidos de América,
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Küchler EC, Deeley K, Ho B, Linkowski S, Meyer C, Noel J, Kouzbari MZ, Bezamat M, Granjeiro JM, Antunes LS, Antunes LA, de Abreu FV, Costa MC, Tannure PN, Seymen F, Koruyucu M, Patir A, Mereb JC, Poletta FA, Castilla EE, Orioli IM, Marazita ML, Vieira AR. Genetic mapping of high caries experience on human chromosome 13. BMC Med Genet 2013; 14:116. [PMID: 24192446 PMCID: PMC3907033 DOI: 10.1186/1471-2350-14-116] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/25/2013] [Accepted: 10/31/2013] [Indexed: 02/04/2023]
Abstract
Background Our previous genome-wide linkage scan mapped five loci for caries experience. The purpose of this study was to fine map one of these loci, the locus 13q31.1, in order to identify genetic contributors to caries. Methods Seventy-two pedigrees from the Philippines were studied. Caries experience was recorded and DNA was extracted from blood samples obtained from all subjects. Sixty-one single nucleotide polymorphisms (SNPs) in 13q31.1 were genotyped. Association between caries experience and alleles was tested. We also studied 1,481 DNA samples obtained from saliva of subjects from the USA, 918 children from Brazil, and 275 children from Turkey, in order to follow up the results found in the Filipino families. We used the AliBaba2.1 software to determine if the nucleotide changes of the associated SNPs changed the prediction of the presence of transcription-binding site sequences and we also analyzed the gene expression of the genes selected based on binding predictions. Mutation analysis was also performed in 33 Filipino individuals of a segment of 13q31.1 that is highly conserved in mammals. Results Statistically significant association with high caries experience was found for 11 markers in 13q31.1 in the Filipino families. Haplotype analysis also confirmed these results. In the populations used for follow-up purposes, associations were found between high caries experience and a subset of these markers. Regarding the prediction of the transcription-binding site, the base change of the SNP rs17074565 was found to change the predicted-binding of genes that could be involved in the pathogenesis of caries. When the sequence has the allele C of rs17074565, the potential transcription factors binding the sequence are GR and GATA1. When the subject carries the G allele of rs17074565, the potential transcription factor predicted to bind to the sequence is GATA3. The expression of GR in whole saliva was higher in individuals with low caries experience when compared to individuals with high caries experience (p = 0.046). No mutations were found in the highly conserved sequence. Conclusions Genetic factors contributing to caries experience may exist in 13q31.1. The rs17074565 is located in an intergenic region and is predicted to disrupt the binding sites of two different transcription factors that might be involved with caries experience. GR expression in saliva may be a biomarker for caries risk and should be further explored.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Alexandre R Vieira
- Department of Oral Biology, University of Pittsburgh, 614 Salk Hall, Pittsburgh, PA, USA.
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Mann PC, Cooper ME, Ryckman KK, Comas B, Gili J, Crumley S, Bream EN, Byers HM, Piester T, Schaefer A, Christine PJ, Lawrence A, Schaa KL, Kelsey KJ, Berends SK, Gadow E, Cosentino V, Castilla EE, Camelo JL, Saleme C, Day LJ, England SK, Marazita ML, Dagle JM, Murray JC, Murray JC. Polymorphisms in the fetal progesterone receptor and a calcium-activated potassium channel isoform are associated with preterm birth in an Argentinian population. J Perinatol 2013; 33:336-40. [PMID: 23018797 PMCID: PMC3719965 DOI: 10.1038/jp.2012.118] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
OBJECTIVE To investigate genetic etiologies of preterm birth (PTB) in Argentina through evaluation of single-nucleotide polymorphisms (SNPs) in candidate genes and population genetic admixture. STUDY DESIGN Genotyping was performed in 389 families. Maternal, paternal and fetal effects were studied separately. Mitochondrial DNA (mtDNA) was sequenced in 50 males and 50 females. Y-chromosome anthropological markers were evaluated in 50 males. RESULT Fetal association with PTB was found in the progesterone receptor (PGR, rs1942836; P=0.004). Maternal association with PTB was found in small conductance calcium activated potassium channel isoform 3 (KCNN3, rs883319; P=0.01). Gestational age associated with PTB in PGR rs1942836 at 32-36 weeks (P=0.0004). MtDNA sequencing determined 88 individuals had Amerindian consistent haplogroups. Two individuals had Amerindian Y-chromosome consistent haplotypes. CONCLUSION This study replicates single locus fetal associations with PTB in PGR, maternal association in KCNN3, and demonstrates possible effects for divergent racial admixture on PTB.
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Affiliation(s)
- Paul C. Mann
- Department of Pediatrics, University of Iowa, Iowa City, Iowa, 52242
| | - Margaret E. Cooper
- Department of Oral Biology and Center for Craniofacial and Dental Genetics, Department of Human Genetics, University of Pittsburgh, Pittsburgh, Pennsylvania, 15219
| | - Kelli K. Ryckman
- Department of Pediatrics, University of Iowa, Iowa City, Iowa, 52242
| | - Belén Comas
- Centro de Educación Médica e Investigaciones Clínicas, Buenos Aires, Capital Federal, Argentina,Instituto Nacional de Genética Médica Populacional and Estudio Colaborativo Latino Americano de Malformaciones Congénitas at Laboratório de Epidemiologia de Malformações Congênitas Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | - Juan Gili
- Centro de Educación Médica e Investigaciones Clínicas, Buenos Aires, Capital Federal, Argentina,Instituto Nacional de Genética Médica Populacional and Estudio Colaborativo Latino Americano de Malformaciones Congénitas at Laboratório de Epidemiologia de Malformações Congênitas Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | - Suzanne Crumley
- Department of Pediatrics, University of Iowa, Iowa City, Iowa, 52242
| | - Elise N.A. Bream
- Department of Pediatrics, University of Iowa, Iowa City, Iowa, 52242
| | - Heather M. Byers
- Department of Pediatrics, University of Iowa, Iowa City, Iowa, 52242
| | - Travis Piester
- Department of Pediatrics, University of Iowa, Iowa City, Iowa, 52242
| | - Amanda Schaefer
- Department of Pediatrics, University of Iowa, Iowa City, Iowa, 52242
| | - Paul J. Christine
- Department of Pediatrics, University of Iowa, Iowa City, Iowa, 52242
| | - Amy Lawrence
- Department of Pediatrics, University of Iowa, Iowa City, Iowa, 52242
| | - Kendra L. Schaa
- Department of Pediatrics, University of Iowa, Iowa City, Iowa, 52242
| | | | - Susan K. Berends
- Department of Pediatrics, University of Iowa, Iowa City, Iowa, 52242
| | - Enrique Gadow
- Centro de Educación Médica e Investigaciones Clínicas, Buenos Aires, Capital Federal, Argentina
| | - Viviana Cosentino
- Centro de Educación Médica e Investigaciones Clínicas, Buenos Aires, Capital Federal, Argentina
| | - Eduardo E. Castilla
- Centro de Educación Médica e Investigaciones Clínicas, Buenos Aires, Capital Federal, Argentina,Instituto Nacional de Genética Médica Populacional and Estudio Colaborativo Latino Americano de Malformaciones Congénitas at Laboratório de Epidemiologia de Malformações Congênitas Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | - Jorge López Camelo
- Centro de Educación Médica e Investigaciones Clínicas, Buenos Aires, Capital Federal, Argentina,Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Capital Federal, Argentina,Instituto Multidisciplinario de Biología Celular, La Plata, Buenos Aires, Argentina
| | - Cesar Saleme
- Instituto de Maternidad y Ginecología Nuestra Señora de las Mercedes, San Miguel de Tucumán, Tucumán, Argentina
| | - Lori J. Day
- Department of Obstetrics and Gynecology, University of Iowa, Iowa City, Iowa, 52242
| | - Sarah K. England
- Department of Obstetrics and Gynecology, University of Iowa, Iowa City, Iowa, 52242,Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, Iowa, 52242
| | - Mary L. Marazita
- Department of Oral Biology and Center for Craniofacial and Dental Genetics, Department of Human Genetics, University of Pittsburgh, Pittsburgh, Pennsylvania, 15219
| | - John M. Dagle
- Department of Pediatrics, University of Iowa, Iowa City, Iowa, 52242
| | - Jeffrey C. Murray
- Department of Pediatrics, University of Iowa, Iowa City, Iowa, 52242,Corresponding Author: Jeffrey C. Murray, MD Professor, Departments of Pediatrics, Epidemiology, and Biological Sciences University of Iowa Carver College of Medicine 500 Newton Road, 2182 ML, Iowa City, IA 52242-1181 319-335-6897 phone; 319-335-6970 fax
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Luquetti DV, Cox TC, Lopez-Camelo J, Dutra MDG, Cunningham ML, Castilla EE. Preferential associated anomalies in 818 cases of microtia in South America. Am J Med Genet A 2013; 161A:1051-7. [PMID: 23554119 DOI: 10.1002/ajmg.a.35888] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2012] [Accepted: 01/07/2013] [Indexed: 12/28/2022]
Abstract
The etiology of microtia remains unknown in most cases. The identification of patterns of associated anomalies (i.e., other anomalies that occur with a given congenital anomaly in a higher than expected frequency), is a methodology that has been used for research into the etiology of birth defects. We conducted a study based on cases of microtia that were diagnosed from more than 5 million live (LB)- and stillbirths (SB) examined in hospitals participating in ECLAMC (Latin American Collaborative Study of Congenital Malformations) between 1967 and 2009. We identified 818 LB and SB with microtia and at least one additional non-related major congenital anomaly (cases) and 15,969 LB and SB with two or more unrelated major congenital anomalies except microtia (controls). A logistic regression analysis was performed to identify the congenital anomalies preferentially associated with microtia. Preferential associations were observed for 10 congenital anomalies, most of them in the craniofacial region, including facial asymmetry, choanal atresia, and eyelid colobomata. The analysis by type of microtia showed that for anomalies such as cleft lip and palate, macrostomia, and limb reduction defects, the frequency increased with the severity of the microtia. In contrast, for other anomalies the frequency tended to be the same across all types of microtia. Based on these results we will integrate data on the developmental pathways related to preferentially associated congenital anomalies for future studies investigating the etiology of microtia.
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Affiliation(s)
- Daniela V Luquetti
- Division of Craniofacial Medicine, Department of Pediatrics, University of Washington and Center for Tissue and Cell Sciences, Seattle Children's Research Institute, Seattle, WA, USA.
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Källén BA, Martínez-Frías ML, Castilla EE, Robert E, Lancaster PA, Kringelbach M, Mutchinick OM, Mastroiacovo P. Hormone therapy during pregnancy and isolated hypospadias: an international case-control study. Int J Risk Saf Med 2013; 3:183-97. [PMID: 23511000 DOI: 10.3233/jrs-1992-3402] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Mothers of boys with hypospadias and control mothers were interviewed in eight malformation monitoring programs around the world. Hormone therapy was used quite frequently in five but rarely in three of the programs. The odds ratio for hypospadias after hormone therapy during pregnancy was 2.8 (95% confidence limits 1.2, 6.9) but there was no correlation between the timing of hormone therapy and the location of the urethral orifice, nor between the severity of the malformation and hormone therapy. Programs with the highest hormone exposure rate showed the lowest odds ratio for pregnancy bleeding, the most common reason for hormone therapy. These latter findings cast doubts on the causal association between hormone therapy and isolated hypospadias. Alternative explanations are recall or interviewer bias or unidentified confounders.
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Affiliation(s)
- B A Källén
- Department of Embryology, University of Lund, Lund, Sweden
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Abstract
OBJECTIVES We sought to quantify how socioeconomic, health care, demographic, and geographic effects explain racial disparities in low birth weight (LBW) and preterm birth (PTB) rates in Brazil. METHODS We employed a sample of 8949 infants born between 1995 and 2009 in 15 cities and 7 provinces in Brazil. We focused on disparities in LBW (< 2500 g) and PTB (< 37 gestational weeks) prevalence between infants of African ancestry alone or African mixed with other ancestries, and European ancestry alone. We used a decomposition model to quantify the contributions of conceptually relevant factors to these disparities. RESULTS The model explained 45% to 94% of LBW and 64% to 94% of PTB disparities between the African ancestry groups and European ancestry. Differences in prenatal care use and geographic location were the most important contributors, followed by socioeconomic differences. The model explained the majority of the disparities for mixed African ancestry and part of the disparity for African ancestry alone. CONCLUSIONS Public policies to improve children's health should target prenatal care and geographic location differences to reduce health disparities between infants of African and European ancestries in Brazil.
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Affiliation(s)
- Kwame A Nyarko
- Department of Health Management and Policy, University of Iowa, Iowa City, IA 52242, USA
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Shimizu T, Deeley K, Briseño-Ruiz J, Faraco IM, Poletta FA, Brancher JA, Pecharki GD, Küchler EC, Tannure PN, Lips A, Vieira TCS, Patir A, Yildirim M, Mereb JC, Resick JM, Brandon CA, Cooper ME, Seymen F, Costa MC, Granjeiro JM, Trevilatto PC, Orioli IM, Castilla EE, Marazita ML, Vieira AR. Fine-mapping of 5q12.1-13.3 unveils new genetic contributors to caries. Caries Res 2013; 47:273-83. [PMID: 23363935 DOI: 10.1159/000346278] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2012] [Accepted: 11/27/2012] [Indexed: 12/14/2022] Open
Abstract
Caries is a multifactorial disease and little is still known about the host genetic factors influencing susceptibility. Our previous genome-wide linkage scan has identified the interval 5q12.1-5q13.3 as linked to low caries susceptibility in Filipino families. Here we fine-mapped this region in order to identify genetic contributors to caries susceptibility. Four hundred and seventy-seven subjects from 72 pedigrees with similar cultural and behavioral habits and limited access to dental care living in the Philippines were studied. DMFT scores and genotype data of 75 single-nucleotide polymorphisms were evaluated in the Filipino families with the Family-Based Association Test. For replication purposes, a total 1,467 independent subjects from five different populations were analyzed in a case-control format. In the Filipino cohort, statistically significant and borderline associations were found between low caries experience and four genes spanning 13 million base pairs (PART1, ZSWIM6, CCNB1, and BTF3). We were able to replicate these results in some of the populations studied. We detected PART1 and BTF3 expression in whole saliva, and the expression of BTF3 was associated with caries experience. Our results suggest BTF3 may have a functional role in protecting against caries.
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Affiliation(s)
- T Shimizu
- Department of Pediatric Dentistry, Nihon University of Dentistry at Matsudo, Matsudo, Japan
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Nyarko KA, Lopez-Camelo J, Castilla EE, Wehby GL. Does the relationship between prenatal care and birth weight vary by oral clefts? evidence using South American and United States samples. J Pediatr 2013; 162:42-9.e1. [PMID: 22835882 PMCID: PMC3485451 DOI: 10.1016/j.jpeds.2012.06.040] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2011] [Revised: 05/23/2012] [Accepted: 06/20/2012] [Indexed: 11/18/2022]
Abstract
OBJECTIVE To evaluate if the association between prenatal care use and birth weight (BW) varies for infants with cleft lip and/or cleft palate (CL/P), classified into isolated and non-isolated forms, compared with unaffected infants. STUDY DESIGN The study employed 2 datasets. The first included a multi-country sample of 2405 infants with CL/P and 24046 infants without CL/P born in 1996-2007 in South America. The second was a sample of 2122 infants with CL/P and 297415 without CL/P from the United States 2004 natality dataset. Separate analyses were performed for the South American and United States samples. The association between prenatal care and BW was evaluated separately for isolated CL/P, non-isolated CL/P, and unaffected infants using regression models adjusting for several background characteristics. RESULTS Prenatal care was associated with improved BW for all infant groups, with greater BW increases for infants with CL/P particularly non-isolated forms. In the South American sample, BW increased by 108, 69, and 40 g on average per prenatal visit for infants with non-isolated CL/P, infants with isolated CL/P, and unaffected infants, respectively. In the United States sample, BW increased by 51, 21, and 16 g on average per prenatal visit for these infant groups, respectively. CONCLUSIONS Prenatal care was associated with larger BW increases for pregnancies complicated with CL/P, particularly non-isolated forms, compared with unaffected pregnancies. Given that reduced BW is a well-recognized comorbidity of CL/P, the findings highlight the importance of prenatal care for at-risk pregnancies as a tertiary-prevention intervention to reduce the health burden of CL/P.
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Affiliation(s)
- Kwame A. Nyarko
- Doctoral Candidate, Department of Health Management and Policy, University of Iowa
| | - Jorge Lopez-Camelo
- CEMIC: Centro de Educación Médica e Investigación Clínica; INAGEMP (Instituto Nacional de Genética Médica Populacional) and ECLAMC (Estudio Colaborativo Latino Americano de Malformaciones Congénitas), at Laboratório de Epidemiologia de Malformações Congênitas, Instituto Multidisciplinario de Biologia Celular – IMBICE-CICPBA-CONICET
| | - Eduardo E Castilla
- INAGEMP (Instituto Nacional de Genética Médica Populacional) and ECLAMC (Estudio Colaborativo Latino Americano de Malformaciones Congénitas), at Laboratório de Epidemiologia de Malformações Congênitas, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil, and CEMIC: Centro de Educación Médica e Investigación Clínica
| | - George L. Wehby
- Associate Professor, Department of Health Management and Policy, College of Public Health, University of Iowa, 105 River Street, N248 CPHB, Iowa City, IA 52242, 319 384 3814 phone, 319 384 4371 fax,
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Poletta FA, López Camelo JS, Gili JA, Leoncini E, Castilla EE, Mastroiacovo P. Methodological approaches to evaluate teratogenic risk using birth defect registries: advantages and disadvantages. PLoS One 2012; 7:e46626. [PMID: 23056376 PMCID: PMC3463517 DOI: 10.1371/journal.pone.0046626] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2011] [Accepted: 09/07/2012] [Indexed: 11/18/2022] Open
Abstract
Background Different approaches have been used in case-control studies to estimate maternal exposure to medications and the risk of birth defects. However, the performance of these approaches and how they affect the odds ratio (OR) estimates have not been evaluated using birth-defect surveillance programmes. The aim of this study was to evaluate the scope and limitations of three case-control approaches to assess the teratogenic risk of birth defects in mothers exposed to antiepileptic medications, insulin, or acetaminophen. Methodology/Principal Findings We studied 110,814 non-malformed newborns and 58,514 live newborns with birth defects registered by the Latin American Collaborative Study of Congenital Anomalies (ECLAMC) between 1967 and 2008. Four controls were randomly selected for each case in the same hospital and period, and three different control groups were used: non-malformed newborns (HEALTHY), malformed newborns (SICK), and a subgroup of SICK, only-exposed cases (OECA). Associations were evaluated using OR and Pearson's chi-square (P<0.01). There were no concordance correlations between the HEALTHY and OECA designs, and the average OR differences ranged from 3.0 to 11.5 for the three evaluated medicines. The overestimations observed for HEALTHY design were increased as higher OR values were given, with a high and statistically significant correlation between the difference and the mean. On the contrary, the concordance correlations obtained between the SICK and OECA designs were quite good, with no significant differences in the average risks. Conclusions The HEALTHY design estimates the true population OR, but shows a high rate of false-positive results presumably caused by differential misclassification bias. This bias decreases with the increase of the proportion of exposed controls. SICK and OECA odds ratios cannot be considered a direct estimate of the true population OR except under certain conditions. However, the SICK and OECA designs could provide practical information to generate hypotheses about potential teratogens.
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Affiliation(s)
- Fernando A. Poletta
- ECLAMC (Estudio Colaborativo Latinoamericano de Malformaciones Congénitas) at Centro de Educación Médica e Investigaciones Clínicas (CEMIC) (CONICET), Buenos Aires, Argentina
- INAGEMP (Instituto Nacional de Genética Médica Populacional), Rio de Janeiro, Brazil
| | - Jorge S. López Camelo
- ECLAMC (Estudio Colaborativo Latinoamericano de Malformaciones Congénitas) at Centro de Educación Médica e Investigaciones Clínicas (CEMIC) (CONICET), Buenos Aires, Argentina
- ECLAMC at Instituto Multidisciplinario de Biología Celular (IMBICE) (CIC-CONICET), La Plata, Argentina
- INAGEMP (Instituto Nacional de Genética Médica Populacional), Rio de Janeiro, Brazil
- * E-mail:
| | - Juan A. Gili
- ECLAMC (Estudio Colaborativo Latinoamericano de Malformaciones Congénitas) at Centro de Educación Médica e Investigaciones Clínicas (CEMIC) (CONICET), Buenos Aires, Argentina
- INAGEMP (Instituto Nacional de Genética Médica Populacional), Rio de Janeiro, Brazil
| | - Emmanuele Leoncini
- Headquarters of the International Clearinghouse for Birth Defects Surveillance and Research, Rome, Italy
| | - Eduardo E. Castilla
- ECLAMC (Estudio Colaborativo Latinoamericano de Malformaciones Congénitas) at Centro de Educación Médica e Investigaciones Clínicas (CEMIC) (CONICET), Buenos Aires, Argentina
- ECLAMC at Instituto Oswaldo Cruz, Rio de Janeiro, Brazil
- INAGEMP (Instituto Nacional de Genética Médica Populacional), Rio de Janeiro, Brazil
| | - Pierpaolo Mastroiacovo
- Headquarters of the International Clearinghouse for Birth Defects Surveillance and Research, Rome, Italy
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Shimizu T, Ho B, Deeley K, Briseño-Ruiz J, Faraco IM, Schupack BI, Brancher JA, Pecharki GD, Küchler EC, Tannure PN, Lips A, Vieira TCS, Patir A, Yildirim M, Poletta FA, Mereb JC, Resick JM, Brandon CA, Orioli IM, Castilla EE, Marazita ML, Seymen F, Costa MC, Granjeiro JM, Trevilatto PC, Vieira AR. Enamel formation genes influence enamel microhardness before and after cariogenic challenge. PLoS One 2012; 7:e45022. [PMID: 23028741 PMCID: PMC3454391 DOI: 10.1371/journal.pone.0045022] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2012] [Accepted: 08/11/2012] [Indexed: 11/19/2022] Open
Abstract
There is evidence for a genetic component in caries susceptibility, and studies in humans have suggested that variation in enamel formation genes may contribute to caries. For the present study, we used DNA samples collected from 1,831 individuals from various population data sets. Single nucleotide polymorphism markers were genotyped in selected genes (ameloblastin, amelogenin, enamelin, tuftelin, and tuftelin interacting protein 11) that influence enamel formation. Allele and genotype frequencies were compared between groups with distinct caries experience. Associations with caries experience can be detected but they are not necessarily replicated in all population groups and the most expressive results was for a marker in AMELX (p=0.0007). To help interpret these results, we evaluated if enamel microhardness changes under simulated cariogenic challenges are associated with genetic variations in these same genes. After creating an artificial caries lesion, associations could be seen between genetic variation in TUFT1 (p=0.006) and TUIP11 (p=0.0006) with enamel microhardness. Our results suggest that the influence of genetic variation of enamel formation genes may influence the dynamic interactions between the enamel surface and the oral cavity.
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Affiliation(s)
- Takehiko Shimizu
- Department of Pediatric Dentistry, Nihon University of Dentistry at Matsudo, Matsudo, Chiba, Japan
| | - Bao Ho
- Department of Oral Biology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - Kathleen Deeley
- Department of Oral Biology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - Jessica Briseño-Ruiz
- Department of Oral Biology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - Italo M. Faraco
- Department of Oral Biology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - Brett I. Schupack
- Department of Oral Biology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - João A. Brancher
- Center for Health and Biological Sciences, Pontifical Catholic University of Paraná (PUCPR), Curitiba, Brazil
| | - Giovana D. Pecharki
- Center for Health and Biological Sciences, Pontifical Catholic University of Paraná (PUCPR), Curitiba, Brazil
| | - Erika C. Küchler
- Clinical Research Unit, Biology Institute, Fluminense Federal University, Niterói, Rio de Janeiro, Brazil
| | - Patricia N. Tannure
- Discipline of Pediatric Dentistry, Veiga de Almeida University, Rio de Janeiro, Brazil
| | - Andrea Lips
- Department of Pediatric Dentistry and Orthodontics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Thays C. S. Vieira
- Clinical Research Unit, Biology Institute, Fluminense Federal University, Niterói, Rio de Janeiro, Brazil
| | - Asli Patir
- Department of Pedodontics, Istanbul Medipol University, Istanbul, Turkey
| | - Mine Yildirim
- Department of Pedodontics, Faculty of Dentistry, Istanbul University, Istanbul, Turkey
| | - Fernando A. Poletta
- Latin American Collaborative Study of Congenital Malformations (ECLAMC), Center for Medical Education and Clinical Research (CEMIC), Buenos Aires, Argentina
| | - Juan C. Mereb
- Latin American Collaborative Study of Congenital Malformations (ECLAMC), Hospital de Area El Bolsón, Río Negro, Argentina
| | - Judith M. Resick
- Department of Oral Biology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - Carla A. Brandon
- Department of Oral Biology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - Iêda M. Orioli
- Latin American Collaborative Study of Congenital Malformations (ECLAMC), National Institute of Population Medical Genetics (INAGEMP-CNPq), Department of Genetics, Institute of Biology, Center of Health Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Eduardo E. Castilla
- Latin American Collaborative Study of Congenital Malformations (ECLAMC), Center for Medical Education and Clinical Research (CEMIC), Buenos Aires, Argentina
- Latin American Collaborative Study of Congenital Malformations (ECLAMC), National Institute of Population Medical Genetics (INAGEMP-CNPq), Department of Genetics, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
| | - Mary L. Marazita
- Department of Oral Biology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
- Center for Craniofacial and Dental Genetics, Department of Human Genetics, and Clinical and Translational Science, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - Figen Seymen
- Department of Pedodontics, Faculty of Dentistry, Istanbul University, Istanbul, Turkey
| | - Marcelo C. Costa
- Department of Pediatric Dentistry and Orthodontics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - José M. Granjeiro
- Clinical Research Unit, Biology Institute, Fluminense Federal University, Niterói, Rio de Janeiro, Brazil
| | - Paula C. Trevilatto
- Center for Health and Biological Sciences, Pontifical Catholic University of Paraná (PUCPR), Curitiba, Brazil
| | - Alexandre R. Vieira
- Department of Oral Biology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
- Center for Craniofacial and Dental Genetics, Department of Pediatric Dentistry, School of Dental Medicine, and Clinical and Translational Science, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
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Letra A, Fakhouri W, Fonseca RF, Menezes R, Kempa I, Prasad JL, McHenry TG, Lidral AC, Moreno L, Murray JC, Daack-Hirsch S, Marazita ML, Castilla EE, Lace B, Orioli IM, Granjeiro JM, Schutte BC, Vieira AR. Interaction between IRF6 and TGFA genes contribute to the risk of nonsyndromic cleft lip/palate. PLoS One 2012; 7:e45441. [PMID: 23029012 PMCID: PMC3447924 DOI: 10.1371/journal.pone.0045441] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2012] [Accepted: 08/22/2012] [Indexed: 01/08/2023] Open
Abstract
Previous evidence from tooth agenesis studies suggested IRF6 and TGFA interact. Since tooth agenesis is commonly found in individuals with cleft lip/palate (CL/P), we used four large cohorts to evaluate if IRF6 and TGFA interaction contributes to CL/P. Markers within and flanking IRF6 and TGFA genes were tested using Taqman or SYBR green chemistries for case-control analyses in 1,000 Brazilian individuals. We looked for evidence of gene-gene interaction between IRF6 and TGFA by testing if markers associated with CL/P were overtransmitted together in the case-control Brazilian dataset and in the additional family datasets. Genotypes for an additional 142 case-parent trios from South America drawn from the Latin American Collaborative Study of Congenital Malformations (ECLAMC), 154 cases from Latvia, and 8,717 individuals from several cohorts were available for replication of tests for interaction. Tgfa and Irf6 expression at critical stages during palatogenesis was analyzed in wild type and Irf6 knockout mice. Markers in and near IRF6 and TGFA were associated with CL/P in the Brazilian cohort (p<10−6). IRF6 was also associated with cleft palate (CP) with impaction of permanent teeth (p<10−6). Statistical evidence of interaction between IRF6 and TGFA was found in all data sets (p = 0.013 for Brazilians; p = 0.046 for ECLAMC; p = 10−6 for Latvians, and p = 0.003 for the 8,717 individuals). Tgfa was not expressed in the palatal tissues of Irf6 knockout mice. IRF6 and TGFA contribute to subsets of CL/P with specific dental anomalies. Moreover, this potential IRF6-TGFA interaction may account for as much as 1% to 10% of CL/P cases. The Irf6-knockout model further supports the evidence of IRF6-TGFA interaction found in humans.
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Affiliation(s)
- Ariadne Letra
- Department of Oral Biology, University of Pittsburgh, School of Dental Medicine, Pittsburgh, PA, USA
- Center for Craniofacial and Dental Genetics, University of Pittsburgh, School of Dental Medicine, Pittsburgh, PA, USA
| | - Walid Fakhouri
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, USA
| | - Renata F. Fonseca
- Department of Genetics, Institute of Biology, Center of Health Sciences; Federal University of Rio de Janeiro; Rio de Janeiro, RJ, Brazil
| | - Renato Menezes
- Department of Oral Biology, University of Pittsburgh, School of Dental Medicine, Pittsburgh, PA, USA
- Center for Craniofacial and Dental Genetics, University of Pittsburgh, School of Dental Medicine, Pittsburgh, PA, USA
| | - Inga Kempa
- Latvian Biomedical Research and Study Centre, Riga, Latvia
- Department of Biology and Microbiology, Riga Stradins University, Riga, Latvia
| | - Joanne L. Prasad
- Department of Diagnostic Sciences, University of Pittsburgh, School of Dental Medicine, Pittsburgh, PA, USA
| | - Toby G. McHenry
- Department of Oral Biology, University of Pittsburgh, School of Dental Medicine, Pittsburgh, PA, USA
- Center for Craniofacial and Dental Genetics, University of Pittsburgh, School of Dental Medicine, Pittsburgh, PA, USA
| | - Andrew C. Lidral
- Department of Orthodontics, College of Dentistry, University of Iowa, Iowa City, IA, USA
| | - Lina Moreno
- Department of Orthodontics, College of Dentistry, University of Iowa, Iowa City, IA, USA
| | - Jeffrey C. Murray
- Department of Pediatrics, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Sandra Daack-Hirsch
- Department of Pediatrics, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Mary L. Marazita
- Department of Oral Biology, University of Pittsburgh, School of Dental Medicine, Pittsburgh, PA, USA
- Center for Craniofacial and Dental Genetics, University of Pittsburgh, School of Dental Medicine, Pittsburgh, PA, USA
- Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
- Clinical and Translational Science Institute, University of Pittsburgh, Pittsburgh, PA, USA
| | - Eduardo E. Castilla
- ECLAMC (Latin American Collaborative Study of Congenital Malformations) at CEMIC (Center of Medical Education and Clinical Research “Norberto Quirno”), Buenos Aires, Argentina
- CONICET (National Research Council of Argentina), Buenos Aires, Argentina
- iNaGeMP-CNPq (National Institute of Population Medical Genetics), Porto Alegre, RS, Brazil
| | - Baiba Lace
- Latvian Biomedical Research and Study Centre, Riga, Latvia
| | - Ieda M. Orioli
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, USA
- iNaGeMP-CNPq (National Institute of Population Medical Genetics), Porto Alegre, RS, Brazil
| | - Jose M. Granjeiro
- Department of Cell and Molecular Biology, Fluminense Federal University, Niterói, RJ, Brazil and INMETRO, Duque de Caxias, RJ, Brazil
| | - Brian C. Schutte
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, USA
| | - Alexandre R. Vieira
- Department of Oral Biology, University of Pittsburgh, School of Dental Medicine, Pittsburgh, PA, USA
- Department of Pediatric Dentistry, University of Pittsburgh, School of Dental Medicine, Pittsburgh, PA, USA
- Center for Craniofacial and Dental Genetics, University of Pittsburgh, School of Dental Medicine, Pittsburgh, PA, USA
- Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
- Clinical and Translational Science Institute, University of Pittsburgh, Pittsburgh, PA, USA
- * E-mail:
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35
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Nassar N, Leoncini E, Amar E, Arteaga-Vázquez J, Bakker MK, Bower C, Canfield MA, Castilla EE, Cocchi G, Correa A, Csáky-Szunyogh M, Feldkamp ML, Khoshnood B, Landau D, Lelong N, López-Camelo JS, Lowry RB, McDonnell R, Merlob P, Métneki J, Morgan M, Mutchinick OM, Palmer MN, Rissmann A, Siffel C, Sìpek A, Szabova E, Tucker D, Mastroiacovo P. Prevalence of esophageal atresia among 18 international birth defects surveillance programs. ACTA ACUST UNITED AC 2012; 94:893-9. [PMID: 22945024 DOI: 10.1002/bdra.23067] [Citation(s) in RCA: 96] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2012] [Revised: 07/09/2012] [Accepted: 07/09/2012] [Indexed: 12/22/2022]
Abstract
BACKGROUND The prevalence of esophageal atresia (EA) has been shown to vary across different geographical settings. Investigation of geographical differences may provide an insight into the underlying etiology of EA. METHODS The study population comprised infants diagnosed with EA during 1998 to 2007 from 18 of the 46 birth defects surveillance programs, members of the International Clearinghouse for Birth Defects Surveillance and Research. Total prevalence per 10,000 births for EA was defined as the total number of cases in live births, stillbirths, and elective termination of pregnancy for fetal anomaly (ETOPFA) divided by the total number of all births in the population. RESULTS Among the participating programs, a total of 2943 cases of EA were diagnosed with an average prevalence of 2.44 (95% confidence interval [CI], 2.35-2.53) per 10,000 births, ranging between 1.77 and 3.68 per 10,000 births. Of all infants diagnosed with EA, 2761 (93.8%) were live births, 82 (2.8%) stillbirths, 89 (3.0%) ETOPFA, and 11 (0.4%) had unknown outcomes. The majority of cases (2020, 68.6%), had a reported EA with fistula, 749 (25.5%) were without fistula, and 174 (5.9%) were registered with an unspecified code. CONCLUSIONS On average, EA affected 1 in 4099 births (95% CI, 1 in 3954-4251 births) with prevalence varying across different geographical settings, but relatively consistent over time and comparable between surveillance programs. Findings suggest that differences in the prevalence observed among programs are likely to be attributable to variability in population ethnic compositions or issues in reporting or registration procedures of EA, rather than a real risk occurrence difference. Birth Defects Research (Part A), 2012.
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Affiliation(s)
- Natasha Nassar
- Population Perinatal Health Research, Kolling Institute of Medical Research, University of Sydney, Australia
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36
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Abstract
OBJECTIVE To assess the effects of hospital volume of very low-birthweight (VLBW) infants on in-hospital mortality of VLBW and very preterm birth (VPB) infants in South America. DATA SOURCES/STUDY SETTING Birth-registry data for infants born in 1982-2008 at VLBW or very preterm in 66 hospitals in Argentina, Brazil, and Chile. DESIGN Regression analyses that adjust for several individual-level demographic, socioeconomic, and health factors; hospital-level characteristics; and country-fixed effects are employed. DATA COLLECTION/EXTRACTION METHODS Physicians interviewed mothers before hospital discharge and abstracted hospital medical records using similar methods at all hospitals. PRINCIPAL FINDINGS Volume has significant nonlinear beneficial effects on VLBW and VPB in-hospital survival. The largest survival benefits--more than 80 percent decrease in mortality rates--are with volume increases from low to medium or medium-high levels (from ≤ 25 to 72 infants annually) with significantly lower incremental benefits thereafter. The cumulative volume effects are maximized at the 121-144 annual VLBW infant range--about 90 percent decrease in mortality rates compared to <25 VLBW infants annually. CONCLUSIONS Increasing the access of pregnancies at-risk of VLBW and VPB to medium- or high-volume hospitals up to 144 VLBW infants per year may substantially improve in-hospital infant survival in the study countries.
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Affiliation(s)
- George L Wehby
- Department of Health Management and Policy, University of Iowa, E205 GH, 200 Hawkins Drive, Iowa City, IA 52242, USA.
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37
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McCarthy AM, Wehby GL, Barron S, Aylward GP, Castilla EE, Javois LC, Goco N, Murray JC. Application of neurodevelopmental screening to a sample of South American infants: the Bayley Infant Neurodevelopmental Screener (BINS). Infant Behav Dev 2012; 35:280-94. [PMID: 22244313 PMCID: PMC3306498 DOI: 10.1016/j.infbeh.2011.12.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2011] [Revised: 09/29/2011] [Accepted: 12/12/2011] [Indexed: 10/14/2022]
Abstract
OBJECTIVE To evaluate the utility of the Bayley Infant Neurodevelopmental Screener (BINS), standardized in the US, for South American infants, 3-24 months of age. METHODS Thirty-five physicians administered the BINS to 2471 South American infants recruited during routine well-child visits, 578 (23%) from Brazil and 1893 (77%) from six other South American countries. The BINS was translated into Spanish and Portuguese and participating physicians were trained to administer the BINS. Physician inter-rater agreement with training tapes was 84.4%; test-retest reliability for age item sets ranged from 0.80 to 0.93 (Pearson's r). Infants were classified into being at low, moderate, or high risk for developmental delay or neurological impairment based on their total BINS score. The sample was stratified by infant's age, sex and language (Spanish and Portuguese). The BINS scores were compared to the scores of the US infant sample used to standardize the BINS. RESULTS Female infants performed higher than male at 16-20 months and 21-24 months; male infant scores were more variable at 5-6 months. Scores on only two items were significantly different between Spanish and Portuguese speaking participants. South American scores were typically significantly higher than the US sample, and a lower proportion of infants were classified as being at high risk in the South American sample than in the US standardization sample. CONCLUSION Overall, the results of this study indicate that the BINS is feasible and appropriate for neurodevelopmental screening in South America. Further studies are needed to confirm the BINS utility in South America, including its use with a clinical sample.
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Affiliation(s)
- Ann Marie McCarthy
- College of Nursing, The University of Iowa, 50 Newton Road, CNB 344, Iowa City, IA 52242, United States.
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38
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Letra A, Bjork B, Cooper ME, Szabo-Rogers H, Deleyiannis FWB, Field LL, Czeizel AE, Ma L, Garlet GP, Poletta FA, Mereb JC, Lopez-Camelo JS, Castilla EE, Orioli IM, Wendell S, Blanton SH, Liu K, Hecht JT, Marazita ML, Vieira AR, Silva RM. Association of AXIN2 with non-syndromic oral clefts in multiple populations. J Dent Res 2012; 91:473-8. [PMID: 22370446 DOI: 10.1177/0022034512440578] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
We have previously shown the association of AXIN2 with oral clefts in a US population. Here, we expanded our study to explore the association of 11 AXIN2 markers in 682 cleft families from multiple populations. Alleles for each AXIN2 marker were tested for transmission distortion with clefts by means of the Family-based Association Test. We observed an association with SNP rs7224837 and all clefts in the combined populations (p = 0.001), and with SNP rs3923086 and cleft lip and palate in Asian populations (p = 0.004). We confirmed our association findings in an additional 528 cleft families from the United States (p < 0.009). We tested for gene-gene interaction between AXIN2 and additional cleft susceptibility loci. We assessed and detected Axin2 mRNA and protein expression during murine palatogenesis. In addition, we also observed co-localization of Axin2 with Irf6 proteins, particularly in the epithelium. Our results continue to support a role for AXIN2 in the etiology of human clefting. Additional studies should be performed to improve our understanding of the biological mechanisms linking AXIN2 to oral clefts.
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Affiliation(s)
- A Letra
- School of Dentistry, University of Texas Health Science Center at Houston, DBB-202, 6516 MD Anderson Blvd., Houston, TX 77030-3402, USA
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Wehby GL, Castilla EE, Goco N, Rittler M, Cosentino V, Javois L, Kindem M, Chakraborty H, Dutra G, López-Camelo JS, Orioli IM, Murray JC. The effect of systematic pediatric care on neonatal mortality and hospitalizations of infants born with oral clefts. BMC Pediatr 2011; 11:121. [PMID: 22204448 PMCID: PMC3277464 DOI: 10.1186/1471-2431-11-121] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2011] [Accepted: 12/28/2011] [Indexed: 11/10/2022] Open
Abstract
Background Cleft lip and/or palate (CL/P) increase mortality and morbidity risks for affected infants especially in less developed countries. This study aimed at assessing the effects of systematic pediatric care on neonatal mortality and hospitalizations of infants with cleft lip and/or palate (CL/P) in South America. Methods The intervention group included live-born infants with isolated or associated CL/P in 47 hospitals between 2003 and 2005. The control group included live-born infants with CL/P between 2001 and 2002 in the same hospitals. The intervention group received systematic pediatric care between the 7th and 28th day of life. The primary outcomes were mortality between the 7th and 28th day of life and hospitalization days in this period among survivors adjusted for relevant baseline covariates. Results There were no significant mortality differences between the intervention and control groups. However, surviving infants with associated CL/P in the intervention group had fewer hospitalization days by about six days compared to the associated control group. Conclusions Early systematic pediatric care may significantly reduce neonatal hospitalizations of infants with CL/P and additional birth defects in South America. Given the large healthcare and financial burden of CL/P on affected families and the relatively low cost of systematic pediatric care, improving access to such care may be a cost-effective public policy intervention. Trial Registration ClinicalTrials.gov: NCT00097149
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Affiliation(s)
- George L Wehby
- Department of Pediatrics, University of Iowa, Iowa City, IA, USA
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40
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Bermejo-Sánchez E, Cuevas L, Amar E, Bianca S, Bianchi F, Botto LD, Canfield MA, Castilla EE, Clementi M, Cocchi G, Landau D, Leoncini E, Li Z, Lowry RB, Mastroiacovo P, Mutchinick OM, Rissmann A, Ritvanen A, Scarano G, Siffel C, Szabova E, Martínez-Frías ML. Phocomelia: a worldwide descriptive epidemiologic study in a large series of cases from the International Clearinghouse for Birth Defects Surveillance and Research, and overview of the literature. Am J Med Genet C Semin Med Genet 2011; 157C:305-20. [PMID: 22002800 PMCID: PMC4427055 DOI: 10.1002/ajmg.c.30320] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Epidemiologic data on phocomelia are scarce. This study presents an epidemiologic analysis of the largest series of phocomelia cases known to date. Data were provided by 19 birth defect surveillance programs, all members of the International Clearinghouse for Birth Defects Surveillance and Research. Depending on the program, data corresponded to a period from 1968 through 2006. A total of 22,740,933 live births, stillbirths and, for some programs, elective terminations of pregnancy for fetal anomaly (ETOPFA) were monitored. After a detailed review of clinical data, only true phocomelia cases were included. Descriptive data are presented and additional analyses compared isolated cases with those with multiple congenital anomalies (MCA), excluding syndromes. We also briefly compared congenital anomalies associated with nonsyndromic phocomelia with those presented with amelia, another rare severe congenital limb defect. A total of 141 phocomelia cases registered gave an overall total prevalence of 0.62 per 100,000 births (95% confidence interval: 0.52-0.73). Three programs (Australia Victoria, South America ECLAMC, Italy North East) had significantly different prevalence estimates. Most cases (53.2%) had isolated phocomelia, while 9.9% had syndromes. Most nonsyndromic cases were monomelic (55.9%), with an excess of left (64.9%) and upper limb (64.9%) involvement. Most nonsyndromic cases (66.9%) were live births; most isolated cases (57.9%) weighed more than 2,499 g; most MCA (60.7%) weighed less than 2,500 g, and were more likely stillbirths (30.8%) or ETOPFA (15.4%) than isolated cases. The most common associated defects were musculoskeletal, cardiac, and intestinal. Epidemiological differences between phocomelia and amelia highlighted possible differences in their causes.
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Orioli IM, Amar E, Bakker MK, Bermejo-Sánchez E, Bianchi F, Canfield MA, Clementi M, Correa A, Csáky-Szunyogh M, Feldkamp ML, Landau D, Leoncini E, Li Z, Lowry RB, Mastroiacovo P, Morgan M, Mutchinick OM, Rissmann A, Ritvanen A, Scarano G, Szabova E, Castilla EE. Cyclopia: an epidemiologic study in a large dataset from the International Clearinghouse of Birth Defects Surveillance and Research. Am J Med Genet C Semin Med Genet 2011; 157C:344-57. [PMID: 22006661 DOI: 10.1002/ajmg.c.30323] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Cyclopia is characterized by the presence of a single eye, with varying degrees of doubling of the intrinsic ocular structures, located in the middle of the face. It is the severest facial expression of the holoprosencephaly (HPE) spectrum. This study describes the prevalence, associated malformations, and maternal characteristics among cases with cyclopia. Data originated in 20 Clearinghouse (ICBDSR) affiliated birth defect surveillance systems, reported according to a single pre-established protocol. A total of 257 infants with cyclopia were identified. Overall prevalence was 1 in 100,000 births (95%CI: 0.89-1.14), with only one program being out of range. Across sites, there was no correlation between cyclopia prevalence and number of births (r = 0.08; P = 0.75) or proportion of elective termination of pregnancy (r = -0.01; P = 0.97). The higher prevalence of cyclopia among older mothers (older than 34) was not statistically significant. The majority of cases were liveborn (122/200; 61%) and females predominated (male/total: 42%). A substantial proportion of cyclopias (31%) were caused by chromosomal anomalies, mainly trisomy 13. Another 31% of the cases of cyclopias were associated with defects not typically related to HPE, with more hydrocephalus, heterotaxia defects, neural tube defects, and preaxial reduction defects than the chromosomal group, suggesting the presence of ciliopathies or other unrecognized syndromes. Cyclopia is a very rare defect without much variability in prevalence by geographic location. The heterogeneous etiology with a high prevalence of chromosomal abnormalities, and female predominance in HPE, were confirmed, but no effect of increased maternal age or association with twinning was observed.
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Affiliation(s)
- Iêda M Orioli
- Estudo Colaborativo Latino Americano de Malformações Congênitas at Departamento de Genética, Instituto de Biologia, Rio de Janeiro, Brazil.
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Abstract
The International Clearinghouse for Birth Defects Surveillance and Research conducted a study on very rare defects (VRDs) to test methodologies in their population surveillance and to increase the knowledge of their epidemiology. Eight VRDs: acardia (AC), amelia (AM), bladder exstrophy (BE), cloaca exstrophy (CE), conjoined twins (CT), cyclopia (CY), "true" phocomelia (PH), and sirenomelia (SI) were selected, all of whom showed prevalences in the order of 1/100,000 births, except for BE: 1/48,000 births. Materials in this investigation from 25 million pregnancy outcomes, were provided by 22 Clearinghouse-member programs. The study protocol provided a working definition, a summary of the phenotypic characteristic, and a list of ICD-9 and ICD-10 codes for each VRDs. Learned lessons include: (1) The suspected associations of decreasing risk with advancing maternal age in AM and SI, and increasing risk in BE, and increasing frequency of twins in SI, were confirmed. (2) Morphologically similar defects showed dissimilar epidemiological characteristics, namely, AM and PH, and BE and CE. (3) Heterogeneity in total prevalences for most VRDs among different surveillance programs were attributed to operational reasons, except for SI and CT in which Amerindian ethnicity seems to be associated with higher prevalence. (4) Verbatim description is essential and must be stored in electronic files. In addition to codes. (5) Dysmorphologists or clinical geneticists are an essential part of the coordinating team of the surveillance program. (6) ICD coding system is insufficient. (7) Surveillance programs should be a valuable source of information on exposures to risk factors during pregnancy.
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Affiliation(s)
- Eduardo E Castilla
- Estudio Colaborativo Latino Americano de Malformaciones Congénitas - Laboratorio de Epidemiologia de Malformações Congènitas, Instituto Oswaldo Cruz Rio de Janeiro, RJ, Brazil.
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Orioli IM, Amar E, Arteaga-Vazquez J, Bakker MK, Bianca S, Botto LD, Clementi M, Correa A, Csaky-Szunyogh M, Leoncini E, Li Z, López-Camelo JS, Lowry RB, Marengo L, Martínez-Frías ML, Mastroiacovo P, Morgan M, Pierini A, Ritvanen A, Scarano G, Szabova E, Castilla EE. Sirenomelia: an epidemiologic study in a large dataset from the International Clearinghouse of Birth Defects Surveillance and Research, and literature review. Am J Med Genet C Semin Med Genet 2011; 157C:358-73. [PMID: 22002878 DOI: 10.1002/ajmg.c.30324] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Sirenomelia is a very rare limb anomaly in which the normally paired lower limbs are replaced by a single midline limb. This study describes the prevalence, associated malformations, and maternal characteristics among cases with sirenomelia. Data originated from 19 birth defect surveillance system members of the International Clearinghouse for Birth Defects Surveillance and Research, and were reported according to a single pre-established protocol. Cases were clinically evaluated locally and reviewed centrally. A total of 249 cases with sirenomelia were identified among 25,290,172 births, for a prevalence of 0.98 per 100,000, with higher prevalence in the Mexican registry. An increase of sirenomelia prevalence with maternal age less than 20 years was statistically significant. The proportion of twinning was 9%, higher than the 1% expected. Sex was ambiguous in 47% of cases, and no different from expectation in the rest. The proportion of cases born alive, premature, and weighting less than 2,500 g were 47%, 71.2%, and 88.2%, respectively. Half of the cases with sirenomelia also presented with genital, large bowel, and urinary defects. About 10-15% of the cases had lower spinal column defects, single or anomalous umbilical artery, upper limb, cardiac, and central nervous system defects. There was a greater than expected association of sirenomelia with other very rare defects such as bladder exstrophy, cyclopia/holoprosencephaly, and acardia-acephalus. The application of the new biological network analysis approach, including molecular results, to these associated very rare diseases is suggested for future studies.
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Affiliation(s)
- Iêda M Orioli
- Estudo Colaborativo Latino Americano de Malformações Congênitas at Departamento de Genética, Instituto de Biologia, Rio de Janeiro, Brazil.
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Botto LD, Feldkamp ML, Amar E, Carey JC, Castilla EE, Clementi M, Cocchi G, de Walle HE, Halliday J, Leoncini E, Li Z, Lowry RB, Marengo LK, Martínez-Frías ML, Merlob P, Morgan M, Muñoz LL, Rissmann A, Ritvanen A, Scarano G, Mastroiacovo P. Acardia: Epidemiologic findings and literature review from the International Clearinghouse for Birth Defects Surveillance and Research. Am J Med Genet 2011; 157C:262-73. [DOI: 10.1002/ajmg.c.30318] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2011] [Accepted: 08/28/2011] [Indexed: 11/09/2022]
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Bermejo-Sánchez E, Cuevas L, Amar E, Bakker MK, Bianca S, Bianchi F, Canfield MA, Castilla EE, Clementi M, Cocchi G, Feldkamp ML, Landau D, Leoncini E, Li Z, Lowry RB, Mastroiacovo P, Mutchinick OM, Rissmann A, Ritvanen A, Scarano G, Siffel C, Szabova E, Martínez-Frías ML. Amelia: a multi-center descriptive epidemiologic study in a large dataset from the International Clearinghouse for Birth Defects Surveillance and Research, and overview of the literature. Am J Med Genet C Semin Med Genet 2011; 157C:288-304. [PMID: 22002956 DOI: 10.1002/ajmg.c.30319] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
This study describes the epidemiology of congenital amelia (absence of limb/s), using the largest series of cases known to date. Data were gathered by 20 surveillance programs on congenital anomalies, all International Clearinghouse for Birth Defects Surveillance and Research members, from all continents but Africa, from 1968 to 2006, depending on the program. Reported clinical information on cases was thoroughly reviewed to identify those strictly meeting the definition of amelia. Those with amniotic bands or limb-body wall complex were excluded. The primary epidemiological analyses focused on isolated cases and those with multiple congenital anomalies (MCA). A total of 326 amelia cases were ascertained among 23,110,591 live births, stillbirths and (for some programs) elective terminations of pregnancy for fetal anomalies. The overall total prevalence was 1.41 per 100,000 (95% confidence interval: 1.26-1.57). Only China Beijing and Mexico RYVEMCE had total prevalences, which were significantly higher than this overall total prevalence. Some under-registration could influence the total prevalence in some programs. Liveborn cases represented 54.6% of total. Among monomelic cases (representing 65.2% of nonsyndromic amelia cases), both sides were equally involved, and the upper limbs (53.9%) were slightly more frequently affected. One of the most interesting findings was a higher prevalence of amelia among offspring of mothers younger than 20 years. Sixty-nine percent of the cases had MCA or syndromes. The most frequent defects associated with amelia were other types of musculoskeletal defects, intestinal, some renal and genital defects, oral clefts, defects of cardiac septa, and anencephaly.
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Feldkamp ML, Botto LD, Amar E, Bakker MK, Bermejo-Sánchez E, Bianca S, Canfield MA, Castilla EE, Clementi M, Csaky-Szunyogh M, Leoncini E, Li Z, Lowry RB, Mastroiacovo P, Merlob P, Morgan M, Mutchinick OM, Rissmann A, Ritvanen A, Siffel C, Carey JC. Cloacal exstrophy: an epidemiologic study from the International Clearinghouse for Birth Defects Surveillance and Research. Am J Med Genet C Semin Med Genet 2011; 157C:333-43. [PMID: 22002951 DOI: 10.1002/ajmg.c.30317] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Cloacal exstrophy presents as a complex abdominal wall defect thought to result from a mesodermal abnormality. Anatomically, its main components are Omphalocele, bladder Exstrophy and Imperforate anus. Other associated malformations include renal malformations and Spine defects (OEIS complex). Historically, the prevalence ranges from 1 in 200,000 to 400,000 births, with higher rates in females. Cloacal exstrophy is likely etiologically heterogeneous as suggested by its recurrence in families and occurrence in monozygotic twins. The defect has been described in infants with limb-body wall, with trisomy 18, and in one pregnancy exposed to Dilantin and diazepam. Due to its rarity, the use of a nonspecific diagnostic code for case identification, and lack of validation of the clinical findings, cloacal exstrophy remains an epidemiologic challenge. The purpose of this study was to describe the prevalence, associated anomalies and maternal characteristics among infants born with cloacal exstrophy. We used data from the International Clearinghouse for Birth Defects Surveillance and Research submitted from 18 birth defect surveillance programs representing 24 countries. Cases were clinically evaluated locally and reviewed centrally by two authors. Cases of persistent cloaca were excluded. A total of 186 cases of cloacal exstrophy were identified. Overall prevalence was 1 in 131,579 births: ranging from 1 in 44,444 births in Wales to 1 in 269,464 births in South America. Live birth prevalence was 1 in 184,195 births. Prevalence ratios did not vary by maternal age. Forty-two (22.6%) cases met the criteria for the OEIS complex, whereas 60 (32.3%) were classified as OEI and 18 (9.7%) as EIS (one with suspected VATER (0.5%)). Other findings included two cases with trisomy 13 (one without a karyotype confirmation), one with mosaic trisomy 12 (0.5%), one with mosaic 45,X (0.5%) and one classified as having amnion band sequence (0.5%). Twenty-seven (14.5%) infants had other anomalies unrelated to cloacal exstrophy. Cloacal exstrophy is a rare anomaly with variability in prevalence by geographic location. The proportion of cases classified as OEIS complex was lower in this study than previously reported. Among all cases, 54.8% were reported to have an omphalocele.
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Affiliation(s)
- Marcia L Feldkamp
- Division of Medical Genetics, Department of Pediatrics, University of Utah Health School of Medicine, Salt Lake City, USA.
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47
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Siffel C, Correa A, Amar E, Bakker MK, Bermejo-Sánchez E, Bianca S, Castilla EE, Clementi M, Cocchi G, Csáky-Szunyogh M, Feldkamp ML, Landau D, Leoncini E, Li Z, Lowry RB, Marengo LK, Mastroiacovo P, Morgan M, Mutchinick OM, Pierini A, Rissmann A, Ritvanen A, Scarano G, Szabova E, Olney RS. Bladder exstrophy: an epidemiologic study from the International Clearinghouse for Birth Defects Surveillance and Research, and an overview of the literature. Am J Med Genet C Semin Med Genet 2011; 157C:321-32. [PMID: 22002949 DOI: 10.1002/ajmg.c.30316] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Bladder exstrophy (BE) is a complex congenital anomaly characterized by a defect in the closure of the lower abdominal wall and bladder. We aimed to provide an overview of the literature and conduct an epidemiologic study to describe the prevalence, and maternal and case characteristics of BE. We used data from 22 participating member programs of the International Clearinghouse for Birth Defects Surveillance and Research (ICBDSR). All cases were reviewed and classified as isolated, syndrome, and multiple congenital anomalies. We estimated the total prevalence of BE and calculated the frequency and odds ratios for various maternal and case characteristics. A total of 546 cases with BE were identified among 26,355,094 births. The total prevalence of BE was 2.07 per 100,000 births (95% CI: 1.90-2.25) and varied between 0.52 and 4.63 among surveillance programs participating in the study. BE was nearly twice as common among male as among female cases. The proportion of isolated cases was 71%. Prevalence appeared to increase with increasing categories of maternal age, particularly among isolated cases. The total prevalence of BE showed some variations by geographical region, which is most likely attributable to differences in registration of cases. The higher total prevalence among male cases and older mothers, especially among isolated cases, warrants further attention.
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Affiliation(s)
- Csaba Siffel
- Metropolitan Atlanta Congenital Defects Program, National Center on Birth Defects and Developmental Disabilities, Atlanta, Georgia, USA.
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48
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Orioli IM, Camelo JSL, Rittler M, Castilla EE. Sentinel phenotype for rubella embryopathy: time-space distribution in Brazil. CAD SAUDE PUBLICA 2011; 27:1961-8. [DOI: 10.1590/s0102-311x2011001000009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2010] [Accepted: 04/26/2011] [Indexed: 11/21/2022] Open
Abstract
The dyad comprising eye anomalies and congenital heart defects in the same newborn has been proposed as the best sentinel phenotype for the early detection of rubella embryopathy. Time-space birth prevalence distributions of the eye-heart dyad were described in 36 Brazilian hospitals from the Latin-American Collaborative Study of Congenital Anomalies - ECLAMC network, for the period 1994-2008. Seventy dyad cases observed among 554,531 births showed seasonal variation (Χ2 = 5.84; p < 0.05), suggesting an environmental etiology, with an increase in cases in October-March and acrophase in December. The secular distribution of dyad prevalence rates was consistent with the distribution of rubella cases in Brazil, showing a decrease from 1994 to 2004, followed by an increase until 2008. Two geographic clusters were identified, one with high and the other with low dyad prevalence. In the high prevalence cluster, a secular increase was observed, starting in 1999, matching the rubella epidemic waves observed in Brazil in 1998-2000 and 2006.
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Vianna FSL, Lopez-Camelo JS, Leite JCL, Sanseverino MTV, Dutra MDG, Castilla EE, Schüler-Faccini L. Epidemiological surveillance of birth defects compatible with thalidomide embryopathy in Brazil. PLoS One 2011; 6:e21735. [PMID: 21754997 PMCID: PMC3130769 DOI: 10.1371/journal.pone.0021735] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2011] [Accepted: 06/08/2011] [Indexed: 11/18/2022] Open
Abstract
The thalidomide tragedy of the 1960s resulted in thousands of children being born with severe limb reduction defects (LRD), among other malformations. In Brazil, there are still babies born with thalidomide embryopathy (TE) because of leprosy prevalence, availability of thalidomide, and deficiencies in the control of drug dispensation. Our objective was to implement a system of proactive surveillance to identify birth defects compatible with TE. Along one year, newborns with LRD were assessed in the Brazilian hospitals participating in the Latin-American Collaborative Study of Congenital Malformations (ECLAMC). A phenotype of LRD called thalidomide embryopathy phenotype (TEP) was established for surveillance. Children with TEP born between the years 2000–2008 were monitored, and during the 2007–2008 period we clinically investigated in greater detail all cases with TEP (proactive period). The period from 1982 to 1999 was defined as the baseline period for the cumulative sum statistics. The frequency of TEP during the surveillance period, at 3.10/10,000 births (CI 95%: 2.50–3.70), was significantly higher than that observed in the baseline period (1.92/10,000 births; CI 95%: 1.60–2.20), and not uniformly distributed across different Brazilian regions. During the proactive surveillance (2007–2008), two cases of suspected TE were identified, although the two mothers had denied the use of the drug during pregnancy. Our results suggest that TEP has probably increased in recent years, which coincides with the period of greater thalidomide availability. Our proactive surveillance identified two newborns with suspected TE, proving to be a sensitive tool to detect TE. The high frequency of leprosy and the large use of thalidomide reinforce the need for a continuous monitoring of TEP across Brazil.
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Affiliation(s)
- Fernanda Sales Luiz Vianna
- INAGEMP (Instituto Nacional de Genética Médica Populacional) at Teratogen Information Service, Medical Genetics Service, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
- INAGEMP at Genetics Department, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Jorge S. Lopez-Camelo
- INAGEMP at ECLAMC (Latin-American Collaborative Study of Congenital Malformations) in IMBICE: Instituto Multidisciplinario de Biologia Celular, La Plata, Argentina
- INAGEMP at ECLAMC in CEMIC: Centro de Educación Médica e Investigación Clínica, Buenos Aires, Argentina
| | - Júlio César Louguercio Leite
- INAGEMP (Instituto Nacional de Genética Médica Populacional) at Teratogen Information Service, Medical Genetics Service, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
| | - Maria Teresa Vieira Sanseverino
- INAGEMP (Instituto Nacional de Genética Médica Populacional) at Teratogen Information Service, Medical Genetics Service, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
| | - Maria da Graça Dutra
- INAGEMP at ECLAMC in Laboratório de Epidemiologia de Malformações Congênitas, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brazil
| | - Eduardo E. Castilla
- INAGEMP at ECLAMC in CEMIC: Centro de Educación Médica e Investigación Clínica, Buenos Aires, Argentina
- INAGEMP at ECLAMC in Laboratório de Epidemiologia de Malformações Congênitas, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brazil
| | - Lavínia Schüler-Faccini
- INAGEMP (Instituto Nacional de Genética Médica Populacional) at Teratogen Information Service, Medical Genetics Service, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
- INAGEMP at Genetics Department, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- * E-mail:
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50
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Rittler M, Cosentino V, López-Camelo JS, Murray JC, Wehby G, Castilla EE. Associated anomalies among infants with oral clefts at birth and during a 1-year follow-up. Am J Med Genet A 2011; 155A:1588-96. [PMID: 21671378 DOI: 10.1002/ajmg.a.34046] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2010] [Accepted: 03/18/2011] [Indexed: 11/12/2022]
Abstract
Reports of birth defects rates may focus on defects observed in the newborn period or include defects diagnosed at older ages. However, little information is available on the rates of additional anomalies detected after birth or on the ages at which such anomalies are diagnosed. The aims of this work were to describe the initial diagnoses of oral clefts, isolated or associated with other defects, in newborn infants ascertained in hospitals of the ECLAMC network, and diagnostic changes that occurred due to detection of additional defects during a 1-year follow-up period. Seven hundred ten liveborn infants with cleft lip only (CLO), cleft lip with cleft palate (CLP), or cleft palate (CP) were ascertained between 2003 and 2005. Prevalence estimates of isolated and associated (ASO) clefts, diagnoses in infants with associated clefts, and the percentage of isolated clefts that were reclassified as associated were established. Birth prevalence estimates (per 1,000) were as follows: Total: 1.7; CLP: 0.94 (ASO = 23.5%); CP: 0.46 (ASO = 42.3%); CLO: 0.28 (ASO = 7.6%). Initial diagnoses in infants with associated clefts included 38 infants with chromosomal abnormalities, 33 with non-chromosomal syndromes, 16 with malformation sequences, and 98 with multiple anomalies of unknown etiology. Seven percent of newborns initially classified as isolated were later reclassified as associated. Ten infants without associated defects or clinically suspected syndromes were diagnosed as syndromic only through laboratory findings or family history, illustrating the difference between the terms associated versus isolated, which refers to presence or absence of associated anomalies, and syndromic versus non-syndromic, which refers to etiology.
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Affiliation(s)
- Monica Rittler
- Latin-American Collaborative Study of Congenital Malformations, WHO Collaborating Centre for the Prevention of Birth Defects, Hospital Materno Infantil Ramón Sardá, Buenos Aires, Argentina.
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