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Vazquez-Villegas ML, Rodriguez-Jimenez NA, Contreras-Haro B, Vasquez-Jimenez JC, Perez-Guerrero EE, Moran-Moguel MC, Sánchez-Rodríguez EN, Villagómez-Vega A, Nuño-Arana I, Becerra-Alvarado IN, Rubio-Arellano ED, Nava-Valdivia CA, Ponce-Guarneros JM, Fajardo-Robledo NS, Nava-Zavala AH, Gonzalez-Lopez L, Saldaña-Cruz AM. Genotypic Analyses of the Sclerostin rs851056 and Dickkopf rs1569198 Polymorphisms in Mexican-Mestizo Postmenopausal Osteoporosis: A Case-Control Study. Genet Test Mol Biomarkers 2021; 25:211-217. [PMID: 33734895 DOI: 10.1089/gtmb.2020.0199] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Background: The Wnt/β catenin pathway promotes bone mineralization stimulating proliferation, differentiation, and survival of osteoblasts; it also inhibits osteoclast differentiation and osteocyte activity. Sclerostin (SOST) and Dickkopf 1 (DKK1) are Wnt/β catenin pathway inhibitors. Genetic variability in the expression of SOST and DKK1 might be involved in the development of postmenopausal osteoporosis (OP). Aim: To determine whether the SOST rs851056 and DKK1 rs1569198 polymorphisms are associated with OP in Mexican-Mestizo postmenopausal women. Materials and Methods: Two hundred and eighty Mexican-Mestizo postmenopausal women were assessed for their bone mineral density by dual-energy X-ray absorptiometry (DXA). Patients were classified as OP or non-OP. Genomic DNA was extracted from peripheral blood leukocytes. Genetic polymorphisms were analyzed by quantitative polymerase chain reaction using TaqMan probes. Results: The frequency of OP was 40% among the study population. Osteoporotic patients were older (p < 0.001), had a higher frequency of smoking (p = 0.01), and lower body mass index (p < 0.001) compared with the non-osteoporotic patients. The genotypic frequencies of the rs851056 locus of the SOST gene were GG 19%, GC 45%, and CC 35%, whereas the genotypic frequencies of the rs1569198 locus of the DKK1 gene were GG 15%, GA 40%, and AA 44%. In relation to rs851056 locus of the SOST gene, no differences were observed between the OP and non-OP cohorts in the frequencies of the GC polymorphism (48.7% vs. 43.1%). Similarly, analyses of the DKK1 rs1569198 does not demonstrate differences in the GA genotypic frequencies between the OP and non-OP cohorts (42.5% vs. 38.9%). Conclusion: Polymorphisms SOST rs851056 and DKK1 rs1569198 polymorphisms are not associated with OP in Mexican-Mestizo postmenopausal women.
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Affiliation(s)
- Maria L Vazquez-Villegas
- Departamento de Salud Pública, Instituto Regional de Investigación en Salud Pública, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, México.,Departamento de Epidemiologia, Unidad de Medicina Familiar N°, 4, Instituto Mexicano del Seguro Social (IMSS), Guadalajara, México
| | - Norma A Rodriguez-Jimenez
- Departamento de Fisiología, Instituto de Terapéutica Experimental y Clínica, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, México
| | - Betsabe Contreras-Haro
- Departamento de Ciencias Biomedicas, Centro Universitario de Tonalá, Universidad de Guadalajara, Tonalá, México
| | - Jose C Vasquez-Jimenez
- Centro Universitario de Investigaciones Biomédicas, Universidad de Colima, Colima, México
| | - Edsaul E Perez-Guerrero
- Departamento de Biología Molecular, Instituto de Investigación en Ciencias Biomédicas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, México
| | - Maria-Cristina Moran-Moguel
- Departamento de Disciplinas Fisiológico, Metodológico e Instrumental, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, México
| | - Esther N Sánchez-Rodríguez
- Departamento de Fisiología, Programa de Doctorado en Farmacología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, México
| | - Alejandra Villagómez-Vega
- Departamento de Fisiología, Programa de Doctorado en Farmacología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, México
| | - Ismael Nuño-Arana
- Instituto de Investigación en Genética Molecular, Centro Universitario de la Ciénega, Universidad de Guadalajara, Ocotlán, México
| | - Itzel N Becerra-Alvarado
- Departamento de Fisiología, Programa de Doctorado en Farmacología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, México
| | - Edy D Rubio-Arellano
- Departamento de Fisiología, Instituto de Terapéutica Experimental y Clínica, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, México
| | - Cesar A Nava-Valdivia
- Departamento de Microbiología y Patología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, México
| | - Juan M Ponce-Guarneros
- Departamento de Fisiología, Instituto de Terapéutica Experimental y Clínica, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, México
| | - Nicte S Fajardo-Robledo
- Laboratorio de Investigación y Desarrollo Farmacéutico, Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, Guadalajara, Mexico
| | - Arnulfo H Nava-Zavala
- Unidad de Investigación Biomédica 02, UMAE, Hospital de Especialidades, Centro Médico Nacional de Occidente, Instituto Mexicano del Seguro Social, Guadalajara, México.,Programa Internacional Facultad de Medicina, Universidad Autónoma de Guadalajara, Zapopan, México.,División de Medicina Interna, Servicio de Inmunología y Reumatología, Hospital General de Occidente, Secretaria de Salud Jalisco, Zapopan, México
| | - Laura Gonzalez-Lopez
- Departamento de Fisiología, Programa de Doctorado en Farmacología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, México.,Departamento de Salud Pública, Doctorado en Salud Pública, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, México
| | - Ana M Saldaña-Cruz
- Departamento de Fisiología, Instituto de Terapéutica Experimental y Clínica, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, México
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Nuño-Arana I, Páez-Riberos L, Sando-val-Ramírez L, Muñoz-Valle J, Pinto-Escalante D, Ceballos-Quintal J, Rangel-Villalobos H. High prevalence of 5G allele in Amerindian tribes and Mestizos from Mexico at 4G/5G PAI-1 gene promoter polymorphism. Thromb Haemost 2017. [DOI: 10.1055/s-0037-1616576] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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3
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Moreno-Estrada A, Gignoux CR, Fernández-López JC, Zakharia F, Sikora M, Contreras AV, Acuña-Alonzo V, Sandoval K, Eng C, Romero-Hidalgo S, Ortiz-Tello P, Robles V, Kenny EE, Nuño-Arana I, Barquera-Lozano R, Macín-Pérez G, Granados-Arriola J, Huntsman S, Galanter JM, Via M, Ford JG, Chapela R, Rodriguez-Cintron W, Rodríguez-Santana JR, Romieu I, Sienra-Monge JJ, del Rio Navarro B, London SJ, Ruiz-Linares A, Garcia-Herrera R, Estrada K, Hidalgo-Miranda A, Jimenez-Sanchez G, Carnevale A, Soberón X, Canizales-Quinteros S, Rangel-Villalobos H, Silva-Zolezzi I, Burchard EG, Bustamante CD. Human genetics. The genetics of Mexico recapitulates Native American substructure and affects biomedical traits. Science 2014; 344:1280-5. [PMID: 24926019 PMCID: PMC4156478 DOI: 10.1126/science.1251688] [Citation(s) in RCA: 352] [Impact Index Per Article: 35.2] [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] [Indexed: 12/18/2022]
Abstract
Mexico harbors great cultural and ethnic diversity, yet fine-scale patterns of human genome-wide variation from this region remain largely uncharacterized. We studied genomic variation within Mexico from over 1000 individuals representing 20 indigenous and 11 mestizo populations. We found striking genetic stratification among indigenous populations within Mexico at varying degrees of geographic isolation. Some groups were as differentiated as Europeans are from East Asians. Pre-Columbian genetic substructure is recapitulated in the indigenous ancestry of admixed mestizo individuals across the country. Furthermore, two independently phenotyped cohorts of Mexicans and Mexican Americans showed a significant association between subcontinental ancestry and lung function. Thus, accounting for fine-scale ancestry patterns is critical for medical and population genetic studies within Mexico, in Mexican-descent populations, and likely in many other populations worldwide.
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Affiliation(s)
| | - Christopher R Gignoux
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, CA, USA.
| | | | - Fouad Zakharia
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
| | - Martin Sikora
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
| | | | - Victor Acuña-Alonzo
- Escuela Nacional de Antropología e Historia (ENAH), Mexico City, Mexico. Department of Genetics, Evolution and Environment, University College London, London, UK
| | - Karla Sandoval
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
| | - Celeste Eng
- Department of Medicine, University of California, San Francisco, CA, USA
| | | | - Patricia Ortiz-Tello
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
| | - Victoria Robles
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
| | - Eimear E Kenny
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
| | - Ismael Nuño-Arana
- Instituto de Investigación en Genética Molecular, Universidad de Guadalajara, Ocotlán, Mexico
| | | | | | - Julio Granados-Arriola
- Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Scott Huntsman
- Department of Medicine, University of California, San Francisco, CA, USA
| | - Joshua M Galanter
- Department of Medicine, University of California, San Francisco, CA, USA. Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, CA, USA
| | - Marc Via
- Department of Medicine, University of California, San Francisco, CA, USA
| | - Jean G Ford
- The Brooklyn Hospital Center, Brooklyn, NY, USA
| | - Rocío Chapela
- Instituto Nacional de Enfermedades Respiratorias (INER), Mexico City, Mexico
| | | | - Jose R Rodríguez-Santana
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA. Instituto Nacional de Medicina Genómica (INMEGEN), Mexico City, Mexico
| | | | | | | | - Stephanie J London
- National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, Research Triangle Park, NC, USA
| | - Andrés Ruiz-Linares
- Department of Genetics, Evolution and Environment, University College London, London, UK
| | | | - Karol Estrada
- Instituto Nacional de Medicina Genómica (INMEGEN), Mexico City, Mexico
| | | | | | | | - Xavier Soberón
- Instituto Nacional de Medicina Genómica (INMEGEN), Mexico City, Mexico
| | - Samuel Canizales-Quinteros
- Instituto Nacional de Medicina Genómica (INMEGEN), Mexico City, Mexico. Facultad de Química, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | | | | | - Esteban Gonzalez Burchard
- Department of Medicine, University of California, San Francisco, CA, USA. Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, CA, USA.
| | - Carlos D Bustamante
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA.
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Rangel-Villalobos H, Muñoz-Rivas CD, Martínez-Sevilla VM, Nuño-Arana I, Rubi-Castellanos R, Martínez-Cortés G. Forensic evaluation of the AmpFℓSTR Identifiler kit in nine Mexican native populations from the pre-Columbian Mesoamerican region. Int J Legal Med 2013; 128:467-8. [DOI: 10.1007/s00414-013-0956-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2013] [Accepted: 12/05/2013] [Indexed: 10/25/2022]
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5
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Nuño-Arana I, Sahagún-Núñez VDR, Muñoz-Valle JF, Sandoval L, Pinto-Escalante D, Páez-Riberos LA, Lazalde B, Maldonado-González M, Rangel-Villalobos H. Distribution of three SNPs related to low bone mineral density in Amerindian groups and Mestizos from Mexico. Am J Hum Biol 2012; 24:569-72. [PMID: 22434650 DOI: 10.1002/ajhb.22262] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2011] [Revised: 01/30/2012] [Accepted: 02/07/2012] [Indexed: 11/07/2022] Open
Abstract
OBJECTIVES Some Single nucleotide polymorphisms (SNPs) of several candidate genes have been associated with low bone mineral density (BMD) and fracture risk. As the genetic variability of such SNPs in Hispanic and Native American populations is scarce, we analyzed the three SNPs that have been related with bone mass disorders (Sp1, A163G, and BsmI) located in the genes of Type I Collagen (COL1A1), Osteoprotegerin (OPG), and Vitamin D receptor (VDR) in Mexican Mestizos (people resulting from post-Columbian admixture) and five Amerindian populations. METHODS We genotyped these three SNPs by Polymerase chain reaction (PCR) and Restriction fragment length polymorphisms (RFLPs) in 523 individuals from five Mexican Amerindian groups (Nahua, Maya, Purépecha, Tarahumara, and Huichol) and 227 western Mestizos (Jalisco state). RESULTS The modal allele was the same in all the six populations for Sp1-COL1A1 (S > 77%), A163G-OPG (A > 80%), and BsmI-VDR (b > 62%). Genotype distribution was in Hardy-Weinberg equilibrium in all SNPs/populations, excepting Sp1-COL1A1 in the Purépecha group and BsmI-VDR in Mestizo. In terms of the presumably Sp1-COL1A1 risk allele to low BMD (allele "s"), the Purépecha group showed the highest allele (23%) and homozygous (14.5%) frequencies. If the role of this allele as a genetic predisposing factor to low BMD were confirmed, this would mean increased susceptibility of Purépechas with regard to Europeans (14.5 vs. 6.8%). CONCLUSIONS This finding presumably could influence the genetic susceptibility to low BMD in Purépechas. For the SNPs, BsmI-VDR and A163G-OPG, relative homogeneity was observed among the Mexican populations analyzed here.
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Affiliation(s)
- Ismael Nuño-Arana
- Instituto de Investigación en Genética Molecular, Centro Universitario de la Ciénega, Universidad de Guadalajara (CUCiénega-UdeG), Ocotlán, Jalisco, México
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Martínez-Cortés G, Nuño-Arana I, Rubi-Castellanos R, Vilchis-Dorantes G, Luna-Vázquez A, Coral-Vázquez RM, Canto-Cetina T, Salazar-Flores J, Muñoz-Valle JF, Sandoval-Mendoza K, López Z, Gamero-Lucas JJ, Rangel-Villalobos H. Origin and genetic differentiation of three Native Mexican groups (Purépechas, Triquis and Mayas): Contribution of CODIS-STRs to the history of human populations of Mesoamerica. Ann Hum Biol 2010; 37:801-19. [DOI: 10.3109/03014461003743801] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Salazar-Flores J, Dondiego-Aldape R, Rubi-Castellanos R, Anaya-Palafox M, Nuño-Arana I, Canseco-Ávila L, Flores-Flores G, Morales-Vallejo M, Barojas-Pérez N, Muñoz-Valle J, Campos-Gutiérrez R, Rangel-Villalobos H. Population structure and paternal admixture landscape on present-day Mexican-Mestizos revealed by Y-STR haplotypes. Am J Hum Biol 2009; 22:401-9. [DOI: 10.1002/ajhb.21013] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
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8
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Rangel-Villalobos H, Salazar-Flores J, Dondiego R, Anaya-Palafox M, Nuño-Arana I, Canseco-Ávila L, Flores-Flores G, Romero-Rentería O, Morales-Vallejo M, Muñoz-Valle J, Rubi-Castellanos R. “South to North increasing gradient of paternal European ancestry throughout the Mexican territory: Evidence of Y-linked short tandem repeats”. Forensic Science International: Genetics Supplement Series 2009. [DOI: 10.1016/j.fsigss.2009.08.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Rangel-Villalobos H, Rubi-Castellanos R, Morales-Vallejo ME, Molina-Araujo V, Licea-Cadena RA, Rizzo-Juárez S, Muñiz-Lozano FE, Nuño-Arana I, Muñoz-Valle JF. Admixture estimates and statistical parameters of forensic importance based on PowerPlex 16 system in Mexican-Mestizos from the States of Guanajuato (Center) and Veracruz (East). Forensic Sci Int Genet 2009; 4:271-2. [PMID: 20457045 DOI: 10.1016/j.fsigen.2009.09.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2009] [Revised: 05/06/2009] [Accepted: 09/02/2009] [Indexed: 11/29/2022]
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Páez-Riberos LA, Muñoz-Valle JF, Figuera LE, Nuño-Arana I, Sandoval-Ramírez L, González-Martín A, Ibarra B, Rangel-Villalobos H. Y-linked haplotypes in Amerindian chromosomes from Mexican populations: Genetic evidence to the dual origin of the Huichol tribe. Leg Med (Tokyo) 2006; 8:220-5. [PMID: 16797211 DOI: 10.1016/j.legalmed.2006.02.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2005] [Revised: 01/21/2006] [Accepted: 02/27/2006] [Indexed: 11/30/2022]
Abstract
We studied six Y-linked short tandem repeats (Y-STRs) to describe the internal diversity of the Amerindian haplogroup Q-M3 in 129 males from eight Mexican populations. The low gene diversity in the Huichol tribe demonstrated the effects of genetic drift, attributable to geographic isolation and founder effect. The presence of two principal paternal lineages supported the historical and anthropometric records, which indicate that Huichols were formed by the fusion of two ancestral Mexican tribes. Moreover, genetic distances and close relationships of haplotypes between Huichols and Tarahumaras were in agreement with their linguistic affiliation. The high genetic diversity of the Purépechas and wide distribution of haplotypes along the constructed network-joining tree suggest that the present genetic composition was influenced by Purépecha dominance in western Mesoamerica. The Y-haplotypes shared between populations suggest that, among the Amerindian tribes studied herein, the paternal genetic pool of Nahuas could have contributed more importantly to the European-admixed population, the Mexican-Mestizos.
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Affiliation(s)
- L A Páez-Riberos
- Laboratorio de Genética Molecular, Centro Universitario de la Ciénega, Universidad de Guadalajara (CUCiénega-UdeG), Carretera Ocotlán-Tototlán Km. 3.3., A.P. 106, 47810 Ocotlán, Jalisco, México
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Nuño-Arana I, Páez-Riberos LA, Sandoval-Ramírez L, Muñoz-Valle JF, Pinto-Escalante D, Ceballos-Quintal JM, Rangel-Villalobos H. High prevalence of 5G allele in Amerindian tribes and Mestizos from Mexico at 4G/5G PAI-I gene promoter polymorphism. Thromb Haemost 2005; 93:1005-7. [PMID: 15900651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
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Román Corona-Rivera J, Corona-Rivera E, Fragoso-Herrera R, Nuño-Arana I, Loera-Castañeda V. Probable new syndrome in a Mexican family with congenital palmar polyonychia and postaxial limb defects. Am J Med Genet A 2004; 125A:205-9. [PMID: 14981725 DOI: 10.1002/ajmg.a.20443] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Congenital palmar polyonychia (CPP) is a rare and usually sporadic birth defect. We report on a Mexican girl with CPP of both 5th fingers and her sister with ectrodactyly with ulnar ray deficits and agenesis of the ulna. In previous reports, CPP has been seen in ectrodactyly with involvement of the ulna and ulnar digital rays and with postaxial polydactyly. Such findings observed in our patients can be considered a form of CPP. Autosomal dominant inheritance of CPP is more likely based in previous informative families with vertical transmission and instances of male-to-male transmission. The present and two previous families with affected sibs only may represent parental gonadal mosaicism, whereas de novo mutation or incomplete evaluation of relatives could be an explanation for sporadic cases. Variable expression of the CPP phenotype may be a new autosomal dominant entity, i.e., a CPP-postaxial limb defect syndrome.
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Affiliation(s)
- J Román Corona-Rivera
- Doctorado en Genética Humana, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, México.
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Rodríguez-Rojas LX, García-Cruz D, Mendoza-Topete R, Barba LB, Barrios MT, Patiño-García B, López-Cardona MG, Nuño-Arana I, García-Ortiz JE, Cantú JM. Familial iridogoniodysgenesis and skeletal anomalies: a probable new autosomal recessive disorder. Clin Genet 2004; 66:23-9. [PMID: 15200504 DOI: 10.1111/j.0009-9163.2004.00271.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Three sibs with congenital glaucoma, skeletal anomalies, and peculiar facial appearance were studied. At birth, enlarged eyes and corneae were present in the proposita and her two brothers due to congenital glaucoma secondary to iridogoniodysgenesis (IGD). The purpose of this article is to describe the second familial case with IGD and skeletal anomalies as the family previously described by García-Cruz et al. in 1990, corroborating this new distinct dysmorphic syndrome with probable autosomal recessive inheritance.
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Affiliation(s)
- L X Rodríguez-Rojas
- División de Genética, Centro de Investigación Biomédica de Occidente, Guadalajara, Jalisco, Mexico
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Abstract
A male newborn with multiple congenital abnormalities was studied. Clinically, he showed prominent forehead, facial dysmorphism, ear malformations, congenital heart defect and limb anomalies. The cytogenetic studies demonstrated a karyotype 46,XY, der(18) t(1;18)(q32;p11.3)pat with partial trisomy 1q32-qter and a monosomy 18p. The patient displayed clinical features of trisomy 1q but not of monosomy 18p. There are around 80 reports of trisomy 1q32. The purpose of this paper is to describe the first case of a translocation involving 1q and 18p chromosome breakpoints. Additional findings detected in the propositus permit us a further delineation of the trisomy 1q syndrome.
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Affiliation(s)
- I Nuño-Arana
- División de Genética, Centro de Investigación Biomédica de Occidente, CMNO, IMSS, Doctorado en Genética Humana, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico
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Lazalde B, Sánchez-Urbina R, Nuño-Arana I, Bitar WE, de Lourdes Ramírez-Dueñas M. Autosomal dominant inheritance in Cantú syndrome (congenital hypertrichosis, osteochondrodysplasia, and cardiomegaly). Am J Med Genet 2000; 94:421-7. [PMID: 11050630 DOI: 10.1002/1096-8628(20001023)94:5<421::aid-ajmg15>3.0.co;2-9] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Cantú syndrome (CS) is characterized by congenital hypertrichosis, osteochondrodysplasia, cardiomegaly, and coarse facial appearance; autosomal recessive inheritance has been postulated. We report on a Mexican family with CS; the affected members are the 44-year-old father and his two children (a male and female), aged 14 and 4 years, respectively; each shows the classic characteristics, but the father and the brother also have a previously unreported feature, namely, a thick calvarium. This is the first reported instance of male-to-male transmission of CS. With the paternal age effect found in the reported sporadic cases and the segregation analysis [Robertson et al., 1999], autosomal dominant inheritance is more likely than autosomal recessive inheritance. The cases of affected sibs reported by Cantú et al. [1982] could be explained by parental gonadal mosaicism.
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Affiliation(s)
- B Lazalde
- División de Genética, Centro de Investigación Biomédica de Occidente, Jalisco, México
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Nuño-Arana I, Garcia-Garcia VA, Espejo-Plascencia I, Ramos-Zavala AL, Rivera H. An intracranial carcinoma in a Mexican woman with Bloom syndrome. Ann Genet 2000; 43:55-7. [PMID: 10818223 DOI: 10.1016/s0003-3995(00)00019-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
An intracranial cell squamous carcinoma was found in a 27-year-old Mexican woman with Bloom syndrome (BS), including growth retardation, sun-sensitive telangiectatic erythema, defective immunity, and increased number of mitotic chiasmata and sister chromatid exchanges. The tumour, probably originating from the inner or middle ear epithelium, was resected but the patient died a few days after surgery. There was no parental consanguinity nor Jewish or European ancestry for at least five generations; in fact, her parents were mostly indigenous people. This case represents an undescribed intracranial malignancy in BS and the third Mexican BS patient reported. The typical BS phenotype in a woman with pigmented skin challenges the contention that pigmented females are less severely affected.
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Affiliation(s)
- I Nuño-Arana
- Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Seguro Social, Guadalajara, Jalisco, Mexico
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