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Martín-Sierra C, Bravo MJ, Sáez ME, De Rojas I, Santos M, Martín-Carmona J, Corma-Gómez A, González-Serna A, Royo JL, Pineda JA, Rivero A, Rivero-Juárez A, Macías J, Real LM. The absence of seroconversion after exposition to hepatitis C virus is not related to KIR-HLA genotype combinations (GEHEP-012 study). Antiviral Res 2024; 222:105795. [PMID: 38181855 DOI: 10.1016/j.antiviral.2024.105795] [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: 11/18/2023] [Revised: 12/30/2023] [Accepted: 01/02/2024] [Indexed: 01/07/2024]
Abstract
BACKGROUND & AIMS It has been reported that specific killer-cell immunoglobulin-like receptors (KIRs) and HLA genotype combinations, such as KIR2DS4/HLA-C1 with presence of KIRDL2 or KIRDL3, homozygous KIRDL3/HLA-C1 and KIR3DL1/≥2HLA-Bw4, are strongly associated with the lack of active infection and seroconversion after exposition to hepatitis C virus (HCV). OBJECTIVE To determine whether these KIR-HLA combinations are relevant factors involved in that phenotype. PATIENTS AND METHODS In this retrospective case-control study, genotype data from a genome-wide association study previously performed on low susceptibility to HCV-infection carried out on 27 high-risk HCV-seronegative (HRSN) individuals and 743 chronically infected (CI) subjects were used. HLA alleles were imputed using R package HIBAG v1.2223 and KIR genotypes were imputed using the online resource KIR*IMP v1.2.0. RESULTS It was possible to successfully impute at least one KIR-HLA genotype combination previously associated with the lack of infection and seroconversion after exposition to HCV in a total of 23 (85.2%) HRSN individuals and in 650 (87.5%) CI subjects. No KIR-HLA genotype combination analyzed was related to the HRSN condition. CONCLUSIONS Our results suggest that those KIR-HLA genotype combinations are not relevant factors involved in the lack of infection and seroconversion after exposition to HCV. More studies will be needed to completely understand this phenotype.
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Affiliation(s)
- Carmen Martín-Sierra
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas, Instituto de Salud Carlos III, Madrid, Spain; Instituto de Biomedicina de Sevilla, IBiS/Hospital Universitario Virgen de Valme /CSIC/Universidad de Sevilla, Sevilla, Spain
| | - María José Bravo
- Departamento de Especialidades Quirúrgicas, Bioquímica e Inmunología, Universidad de Málaga, Málaga, Spain
| | | | - Itziar De Rojas
- Research Center and Memory Clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Marta Santos
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas, Instituto de Salud Carlos III, Madrid, Spain; Instituto de Biomedicina de Sevilla, IBiS/Hospital Universitario Virgen de Valme /CSIC/Universidad de Sevilla, Sevilla, Spain
| | - Jesica Martín-Carmona
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas, Instituto de Salud Carlos III, Madrid, Spain; Instituto de Biomedicina de Sevilla, IBiS/Hospital Universitario Virgen de Valme /CSIC/Universidad de Sevilla, Sevilla, Spain
| | - Anaïs Corma-Gómez
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas, Instituto de Salud Carlos III, Madrid, Spain; Instituto de Biomedicina de Sevilla, IBiS/Hospital Universitario Virgen de Valme /CSIC/Universidad de Sevilla, Sevilla, Spain
| | - Alejandro González-Serna
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas, Instituto de Salud Carlos III, Madrid, Spain; Instituto de Biomedicina de Sevilla, IBiS/Hospital Universitario Virgen de Valme /CSIC/Universidad de Sevilla, Sevilla, Spain; Departamento de Fisiología. Universidad de Sevilla, Sevilla, Spain
| | - José Luis Royo
- Departamento de Especialidades Quirúrgicas, Bioquímica e Inmunología, Universidad de Málaga, Málaga, Spain
| | - Juan A Pineda
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas, Instituto de Salud Carlos III, Madrid, Spain; Instituto de Biomedicina de Sevilla, IBiS/Hospital Universitario Virgen de Valme /CSIC/Universidad de Sevilla, Sevilla, Spain; Departamento de Medicina. Universidad de Sevilla, Sevilla, Spain
| | - Antonio Rivero
- Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBC), Hospital Universitario Reina Sofía de Córdoba, Universidad de Córdoba, Córdoba, Spain
| | - Antonio Rivero-Juárez
- Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBC), Hospital Universitario Reina Sofía de Córdoba, Universidad de Córdoba, Córdoba, Spain
| | - Juan Macías
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas, Instituto de Salud Carlos III, Madrid, Spain; Instituto de Biomedicina de Sevilla, IBiS/Hospital Universitario Virgen de Valme /CSIC/Universidad de Sevilla, Sevilla, Spain; Departamento de Medicina. Universidad de Sevilla, Sevilla, Spain
| | - Luis Miguel Real
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas, Instituto de Salud Carlos III, Madrid, Spain; Instituto de Biomedicina de Sevilla, IBiS/Hospital Universitario Virgen de Valme /CSIC/Universidad de Sevilla, Sevilla, Spain; Departamento de Bioquímica Médica, Biología Molecular e Inmunología, Universidad de Sevilla, Sevilla, Spain.
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Laplana M, Royo JL, Real LM. Genetic Association Studies in Host-Pathogen Interaction Analysis. Methods Mol Biol 2024; 2751:19-30. [PMID: 38265707 DOI: 10.1007/978-1-0716-3617-6_2] [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] [Indexed: 01/25/2024]
Abstract
Studying host-pathogen interactions at a molecular level has always been technically challenging. Identifying the different biochemical and genetic pathways involved in the different stages of infection traditionally require complex molecular biology tools and often the use of costly animal models. In this chapter, we illustrate a complementary approach to address host-pathogen interactions, taking advantage of the natural interindividual genetic diversity. The application of genetic association studies allows us to identify alleles involved in infection progression or resistance. Thus, this strategy may be useful to unravel new molecular pathways underlying host-pathogen interactions. Here we present the general steps that might be followed to plan, execute, and analyze a population-based study in order to identify genetic variants affecting human exposition to pathogens.
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Affiliation(s)
- Marina Laplana
- Departament de Ciències Mèdiques Bàsiques, Universitat de Lleida, Lleida, Spain
| | - José Luis Royo
- Departamento de Especialidades Quirúrgicas, Bioquímica e Inmunología. Facultad de Medicina, Universidad de Málaga, Málaga, Spain.
| | - Luis Miguel Real
- Departamento de Especialidades Quirúrgicas, Bioquímica e Inmunología. Facultad de Medicina, Universidad de Málaga, Málaga, Spain
- Unidad Clínica de Enfermedades Infecciosas y Microbiología, Hospital Universitario de Valme, Sevilla, Spain
- Centro de Investigación en Red de Enfermedades Infecciosas (CIBERINFEC), Madrid, Spain
- Instituto de Biomedicina de Sevilla, Sevilla, Spain
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Real LM, Sáez ME, Corma-Gómez A, Gonzalez-Pérez A, Thorball C, Ruiz R, Jimenez-Leon MR, Gonzalez-Serna A, Gasca-Capote C, Bravo MJ, Royo JL, Perez-Gomez A, Camacho-Sojo MI, Gallego I, Vitalle J, Bachiller S, Gutierrez-Valencia A, Vidal F, Fellay J, Lichterfeld M, Ruiz-Mateos E. A metagenome-wide association study of HIV disease progression in HIV controllers. iScience 2023; 26:107214. [PMID: 37456859 PMCID: PMC10339206 DOI: 10.1016/j.isci.2023.107214] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 05/19/2023] [Accepted: 06/22/2023] [Indexed: 07/18/2023] Open
Abstract
Some HIV controllers experience immunologic progression with CD4+ T cell decline. We aimed to identify genetic factors associated with CD4+ T cell lost in HIV controllers. A total of 561 HIV controllers were included, 442 and 119 from the International HIV controllers Study Cohort and the Swiss HIV Cohort Study, respectively. No SNP or gene was associated with the long-term non-progressor HIV spontaneous control phenotype in the individual GWAS or in the meta-analysis. However, SNPs previously associated with natural HIV control linked to HLA-B (rs2395029 [p = 0.005; OR = 1.70], rs59440261 [p = 0.003; OR = 1.78]), MICA (rs112243036 [p = 0.011; OR = 1.45]), and PSORS1C1 loci (rs3815087 [p = 0.017; OR = 1.39]) showed nominal association with this phenotype. Genetic factors associated with the long-term HIV controllers without risk of immunologic progression are those previously related to the overall HIV controller phenotype.
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Affiliation(s)
- Luis Miguel Real
- Unidad Clínica de Enfermedades Infecciosas y Microbiología, Hospital Universitario Virgen de Valme, Instituto de Biomedicina de Sevilla, IBIS, Sevilla, Spain
- Departamento de Especialidades Quirúrgicas, Bioquímica e Inmunología, Facultad de Medicina, Universidad de Málaga, Málaga, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC)-Instituto de Salud Carlos III, Madrid, Spain
| | - María E. Sáez
- Centro Andaluz de Estudios Bioinformáticos (CAEBI, SL), Sevilla, Spain
| | - Anais Corma-Gómez
- Unidad Clínica de Enfermedades Infecciosas y Microbiología, Hospital Universitario Virgen de Valme, Instituto de Biomedicina de Sevilla, IBIS, Sevilla, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC)-Instituto de Salud Carlos III, Madrid, Spain
| | | | - Christian Thorball
- School of Life Sciences, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
- Precision Medicine Unit, Lausanne University Hospital (CHUV) and University of Lausanne, Lausanne, Switzerland
| | - Rocío Ruiz
- Departamento de Bioquímica y Biología Molecular, Facultad de Farmacia, Universidad de Sevilla/Instituto de Biomedicina de Sevilla-Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, 41012 Sevilla, Spain
| | - María Reyes Jimenez-Leon
- Institute of Biomedicine of Seville, IBiS/Virgen del Rocío University Hospital/CSIC/University of Seville, Clinic Unit of Infectious Diseases, Microbiology and Preventive Medicine, Seville, Spain
| | - Alejandro Gonzalez-Serna
- Unidad Clínica de Enfermedades Infecciosas y Microbiología, Hospital Universitario Virgen de Valme, Instituto de Biomedicina de Sevilla, IBIS, Sevilla, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC)-Instituto de Salud Carlos III, Madrid, Spain
| | - Carmen Gasca-Capote
- Institute of Biomedicine of Seville, IBiS/Virgen del Rocío University Hospital/CSIC/University of Seville, Clinic Unit of Infectious Diseases, Microbiology and Preventive Medicine, Seville, Spain
| | - María José Bravo
- Departamento de Especialidades Quirúrgicas, Bioquímica e Inmunología, Facultad de Medicina, Universidad de Málaga, Málaga, Spain
| | - José Luis Royo
- Departamento de Especialidades Quirúrgicas, Bioquímica e Inmunología, Facultad de Medicina, Universidad de Málaga, Málaga, Spain
| | - Alberto Perez-Gomez
- Institute of Biomedicine of Seville, IBiS/Virgen del Rocío University Hospital/CSIC/University of Seville, Clinic Unit of Infectious Diseases, Microbiology and Preventive Medicine, Seville, Spain
| | - María Inés Camacho-Sojo
- Institute of Biomedicine of Seville, IBiS/Virgen del Rocío University Hospital/CSIC/University of Seville, Clinic Unit of Infectious Diseases, Microbiology and Preventive Medicine, Seville, Spain
| | - Isabel Gallego
- Institute of Biomedicine of Seville, IBiS/Virgen del Rocío University Hospital/CSIC/University of Seville, Clinic Unit of Infectious Diseases, Microbiology and Preventive Medicine, Seville, Spain
| | - Joana Vitalle
- Institute of Biomedicine of Seville, IBiS/Virgen del Rocío University Hospital/CSIC/University of Seville, Clinic Unit of Infectious Diseases, Microbiology and Preventive Medicine, Seville, Spain
| | - Sara Bachiller
- Institute of Biomedicine of Seville, IBiS/Virgen del Rocío University Hospital/CSIC/University of Seville, Clinic Unit of Infectious Diseases, Microbiology and Preventive Medicine, Seville, Spain
- Department of Medical Biochemistry, Molecular Biology and Immunology, School of Medicine, University of Seville, Seville, Spain
| | - Alicia Gutierrez-Valencia
- Institute of Biomedicine of Seville, IBiS/Virgen del Rocío University Hospital/CSIC/University of Seville, Clinic Unit of Infectious Diseases, Microbiology and Preventive Medicine, Seville, Spain
| | - Francisco Vidal
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC)-Instituto de Salud Carlos III, Madrid, Spain
- Hospital Universitari de Tarragona Joan XXIII (HJ23), Tarragona, Spain
- Institut Investigació Sanitària Pere Virgili (IISPV), Tarragona, Spain
- Universitat Rovira i Virgili (URV), Tarragona, Spain
| | - Jacques Fellay
- School of Life Sciences, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
- Precision Medicine Unit, Lausanne University Hospital (CHUV) and University of Lausanne, Lausanne, Switzerland
| | - Mathias Lichterfeld
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA
- Harvard Medical School, Boston, MA, USA
- Infectious Disease Division, Massachusetts General Hospital, Boston, MA, USA
- Infectious Disease Division, Brigham and Women’s Hospital, Boston, MA, USA
| | - Ezequiel Ruiz-Mateos
- Institute of Biomedicine of Seville, IBiS/Virgen del Rocío University Hospital/CSIC/University of Seville, Clinic Unit of Infectious Diseases, Microbiology and Preventive Medicine, Seville, Spain
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Alvero-Cruz JR, Alarcón-Martín E, García-Romero J, Ruiz-Galdon M, Carrillo-Albornoz-Gil M, Polvillo R, González I, Reyes-Engel A, Royo JL. Moderate exercise reveals the influence of ACTN3 R577X and ACE I/D polymorphisms on physical performance in non-athlete active subjects. Gene 2023; 850:146958. [DOI: 10.1016/j.gene.2022.146958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 09/13/2022] [Accepted: 10/04/2022] [Indexed: 11/06/2022]
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Lopez-Gutierrez L, García-Alberca JM, Mendoza S, Gris E, De la Guía MP, Marin-Carmona JM, Alarcón-Martín E, Lobato A, Cruz-Gamero JM, Cura L, Ocejo O, Torrecilla J, Nieto MD, Urbano C, Pareja N, Luque M, García-Peralta M, Carrillejo R, Royo JL. The Genetic Research in Alzheimer Disease (GERALD) Initiative Finds rs9320913 as a Neural eQTL of lincRNA AL589740.1. Int J Alzheimers Dis 2021; 2021:3064224. [PMID: 34557314 PMCID: PMC8455222 DOI: 10.1155/2021/3064224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 07/13/2021] [Accepted: 07/26/2021] [Indexed: 11/18/2022] Open
Abstract
Alzheimer's disease is the most common cause of dementia worldwide, and longitudinal studies are crucial to find the factors affecting disease development. Here, we describe a novel initiative from southern Spain designed to contribute in the identification of the genetic component of the cognitive decline of Alzheimer's disease patients. The germline variant rs9320913 is a C>A substitution mapping within a gene desert. Although it has been previously associated to a higher educational achievement and increased fluid intelligence, its role on Alzheimer's disease risk and progression remains elusive. A total of 407 subjects were included in the study, comprising 153 Alzheimer disease patients and 254 healthy controls. We have explored the rs9320913 contribution to both Alzheimer disease risk and progression according to the Mini-Mental State Exams. We found that rs9320913 maps within a central nervous system lincRNA AL589740.1. eQTL results show that rs9320913 correlated with the brain-frontal cortex (beta = -0.15, p value = 0.057) and brain-spinal cord (beta of -0.23, p value = 0.037). We did not find rs9320913 to be associated to AD risk, although AA patients seemed to exhibit a less pronounced Mini-Mental State Exam score decline.
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Affiliation(s)
- Lidia Lopez-Gutierrez
- Departamento de Especialidades Quirúrgicas, Bioquímica e Inmunología, Facultad de Medicina, Universidad de Málaga, Blv. Luis Pasteur s/n. 29071 Málaga, Spain
| | | | - Silvia Mendoza
- Instituto Andaluz de Neurociencia (IANEC), Calle Álamos, 17, 29012 Málaga, Spain
| | - Esther Gris
- Instituto Andaluz de Neurociencia (IANEC), Calle Álamos, 17, 29012 Málaga, Spain
| | - María Paz De la Guía
- Instituto Andaluz de Neurociencia (IANEC), Calle Álamos, 17, 29012 Málaga, Spain
| | - José Manuel Marin-Carmona
- Asociación de Familiares de Personas con Alzheimer, Málaga, Camino de los Almendrales, 35, 29013 Málaga, Spain
| | - Emilio Alarcón-Martín
- Departamento de Especialidades Quirúrgicas, Bioquímica e Inmunología, Facultad de Medicina, Universidad de Málaga, Blv. Luis Pasteur s/n. 29071 Málaga, Spain
| | - Almudena Lobato
- Asociación de Familiares de Personas con Alzheimer, Málaga, Camino de los Almendrales, 35, 29013 Málaga, Spain
| | - Jose Manuel Cruz-Gamero
- Departamento de Especialidades Quirúrgicas, Bioquímica e Inmunología, Facultad de Medicina, Universidad de Málaga, Blv. Luis Pasteur s/n. 29071 Málaga, Spain
| | - Laura Cura
- Asociación de Familiares de Personas con Alzheimer, Málaga, Camino de los Almendrales, 35, 29013 Málaga, Spain
| | - Olga Ocejo
- Centro Residencial Almudena, Calle Galicia, 3, 29730 Rincón de la Victoria, Spain
| | - Javier Torrecilla
- Centro Residencial Almudena, Calle Galicia, 3, 29730 Rincón de la Victoria, Spain
| | - María Dolores Nieto
- Hospital Hermanas Hospitalarias del Sagrado Corazón, Calle San Juan Bosco, 41, 29014 Málaga, Spain
| | - Concepción Urbano
- Hospital Hermanas Hospitalarias del Sagrado Corazón, Calle San Juan Bosco, 41, 29014 Málaga, Spain
| | - Nuria Pareja
- Asociación de Familiares de Enfermos de Alzheimer de la Axarquía, Calle Francisco Labao Gámez, 29700 Vélez-Málaga, Spain
| | - Macarena Luque
- Centro Residencial Élite, Calle Picos de Europa, 23, 29018 Málaga, Spain
| | | | - Rosario Carrillejo
- Asociación Criptana de Enfermos de Alzheimer, Calle Álvarez de Castro, s/n. 13610 Campo de Criptana, Spain
| | - José Luis Royo
- Departamento de Especialidades Quirúrgicas, Bioquímica e Inmunología, Facultad de Medicina, Universidad de Málaga, Blv. Luis Pasteur s/n. 29071 Málaga, Spain
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García-Alberca JM, Mendoza S, Gris E, Royo JL, Cruz-Gamero JM, García-Casares N. White matter lesions and temporal atrophy are associated with cognitive and neuropsychiatric symptoms in patients with hypertension and Alzheimer's disease. Int J Geriatr Psychiatry 2020; 35:1292-1300. [PMID: 32584440 DOI: 10.1002/gps.5366] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [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] [Received: 02/03/2020] [Revised: 04/20/2020] [Accepted: 06/20/2020] [Indexed: 11/06/2022]
Abstract
OBJECTIVES An increasing evidence suggests hypertension (HTN) could be linked to cognitive impairment and incident Alzheimer's disease (AD). The precise mechanisms linking HTN and AD are not well-known. The aim of this study was to assess the putative association between HTN and AD. METHODS We assessed in patients with AD associations between HTN and demographic and clinical data, vascular risk factors, treatments, APOE genotypes, brain white matter hyperintensities (WMH), and medial temporal atrophy (MTA) in multivariate analysis of covariance. RESULTS We studied 92 patients with AD (mean ± SD age: 72.12 ± 6.91; women: 66.30%). Patients with HTN had significantly worse cognitive and functional status and higher frequency and severity of neuropsychiatric symptoms (P = .010). Magnetic resonance imaging analyzes showed significant increases in WMH (P = .018) and in MTA (P = .012) in patients with AD with HTN compared with those without HTN. CONCLUSIONS Neuroimaging burden (MTA and higher degree of severity of WMH) among patients with AD and HTN are associated with the impaired cognitive function and neuropsychiatric symptoms.
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Affiliation(s)
| | - Silvia Mendoza
- Alzheimer Research Center and Memory Clinic, Andalusian Institute for Neuroscience, Málaga, Spain
| | - Esther Gris
- Alzheimer Research Center and Memory Clinic, Andalusian Institute for Neuroscience, Málaga, Spain
| | - José Luis Royo
- Department of Surgery, Biochemistry and Immunology, School of Medicine, University of Málaga, Málaga, Spain
| | - José Manuel Cruz-Gamero
- Department of Surgery, Biochemistry and Immunology, School of Medicine, University of Málaga, Málaga, Spain
| | - Natalia García-Casares
- Department of Medicine, School of Medicine, University of Málaga, Research Medical Center of Málaga University, Biomedical Research Institute of Málaga, Málaga, Spain
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Acemel RD, Tena JJ, Gomez-Skarmeta JL, Fibla J, Royo JL. Straightforward protocol for allele-specific chromatin conformation capture. Gene 2020; 767:145185. [PMID: 32998049 DOI: 10.1016/j.gene.2020.145185] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 09/03/2020] [Accepted: 09/23/2020] [Indexed: 11/26/2022]
Abstract
A key advance in our understanding of gene regulation came with the finding that the genome undergoes three-dimensional nuclear folding in a genetically determined process. This 3D conformation directly influences the association between enhancers and their target promoters. This complex interplay has been proven to be essential for gene regulation, and genetic variants affecting this process have been associated to human diseases. The development of new technologies that quantify these DNA interactions represented a revolution in the field. High throughput techniques like HiC provide a general picture of chromatin topology. However, they often lack resolution to evidence subtle effects that single nucleotide polymorphisms exert over the contacts between cis-regulatory regions and target promoters. Here we propose a cost-efficient approach to perform allele-specific chromatin conformation analysis. As a proof of concept, we analyzed the impact of a common deletion mapping between SIRPB1 promoter and one of its downstream enhancers.
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Affiliation(s)
- R D Acemel
- Andalusian Centre for Developmental Biology, University Pablo de Olavide-CSIC-Junta de Andalucia, Sevilla, Spain
| | - J J Tena
- Andalusian Centre for Developmental Biology, University Pablo de Olavide-CSIC-Junta de Andalucia, Sevilla, Spain
| | - J L Gomez-Skarmeta
- Andalusian Centre for Developmental Biology, University Pablo de Olavide-CSIC-Junta de Andalucia, Sevilla, Spain
| | - J Fibla
- Institute of Biomedical Research of Lleida, University of Lleida, Lleida, Spain
| | - J L Royo
- Department of Surgery, Biochemistry, and Immunology, School of Medicine, University of Malaga, 29071 Malaga, Spain.
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Royo JL, Castellano-Castillo D, Ruiz-Galdon M, Molina-Vega M, Cardona F, Tinahones FJ, Fernández-García JC, Reyes-Engel A. Monoamino oxidase alleles correlate with the presence of essential hypertension among hypogonadic patients. Mol Genet Genomic Med 2019; 8:e1040. [PMID: 31743621 PMCID: PMC6978270 DOI: 10.1002/mgg3.1040] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 10/04/2019] [Accepted: 10/11/2019] [Indexed: 01/12/2023] Open
Abstract
Background Monoamine oxidase (MAO) activity has been traditionally implicated in blood pressure through its effects on biogenic amine levels such as catecholamines, serotonin, and dopamine. Nowadays, this role is considered relegated to side‐effects such as orthostatic hypotension and/or hypertensive crisis derived from MAO‐inhibitory treatments in patients with psychiatric disease. Methods In the present work we have found an association between a polymorphic variant of MAOB gene and arterial hypertension in obese hypogonadic patients. The study cases comprised a series of 219 nondiabetic males with a body mass index ≥30 kg/m2 and aged <45 years. Hypogonadism was defined as subnormal testosterone concentrations, when free testosterone values ranged <65 pg/ml. Results MAOB rs3027452‐A allele carriers were significantly over‐represented among hypertensive (HT) patients (25.49%) in comparison to either the non‐HT patients (10%, OR = 3.079 CI95 [1.364–6.952], p = .005, Chi‐square test) and the control population series of nonobese nor hypogonadic males (also 10%, p = .003 Chi‐square test). Upon adjusted, an independent association was shown with the hypogonadic group with hypertension when compared with nonhypertensive hypogonadics (Beta = 3.653, p = .005). When quantitative analysis was performed, hypertensive patients harboring rs3027452‐A allele showed higher systolic blood pressure values (p = .038, Mann–Whitney U‐test) as well as an increased Systolic‐Diastolic range despite following HT treatment (∆mmHg 54 vs. 48 for rs3027452‐A and rs3027452‐G respectively, p‐value .019, Mann–Whitney U‐test). Previous studies on MAOB revealed that rs3027452‐A allele has been correlated to a lower activity of the enzyme, what gives a functional evidence over our observation. Conclusion If this result could be extrapolated to other hypertensive patient groups, it would implicate a review of the markers and therapeutic targets on human hypertension.
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Affiliation(s)
- José Luis Royo
- Department of Surgery, Biochemistry and Immunology, School of Medicine, University of Malaga, Málaga, Spain
| | - Daniel Castellano-Castillo
- Unidad de Gestión Clínica de Endocrinología y Nutrición del Hospital Virgen de la Victoria, Instituto de Investigación Biomédica de Málaga (IBIMA), Universidad de Málaga, Málaga, Spain.,Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición, CIBERobn, Málaga, Spain
| | - Maximiliano Ruiz-Galdon
- Department of Surgery, Biochemistry and Immunology, School of Medicine, University of Malaga, Málaga, Spain
| | - María Molina-Vega
- Unidad de Gestión Clínica de Endocrinología y Nutrición del Hospital Virgen de la Victoria, Instituto de Investigación Biomédica de Málaga (IBIMA), Universidad de Málaga, Málaga, Spain.,Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición, CIBERobn, Málaga, Spain
| | - Fernando Cardona
- Unidad de Gestión Clínica de Endocrinología y Nutrición del Hospital Virgen de la Victoria, Instituto de Investigación Biomédica de Málaga (IBIMA), Universidad de Málaga, Málaga, Spain.,Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición, CIBERobn, Málaga, Spain
| | - Francisco J Tinahones
- Unidad de Gestión Clínica de Endocrinología y Nutrición del Hospital Virgen de la Victoria, Instituto de Investigación Biomédica de Málaga (IBIMA), Universidad de Málaga, Málaga, Spain.,Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición, CIBERobn, Málaga, Spain
| | - José C Fernández-García
- Unidad de Gestión Clínica de Endocrinología y Nutrición del Hospital Virgen de la Victoria, Instituto de Investigación Biomédica de Málaga (IBIMA), Universidad de Málaga, Málaga, Spain.,Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición, CIBERobn, Málaga, Spain
| | - Armando Reyes-Engel
- Department of Surgery, Biochemistry and Immunology, School of Medicine, University of Malaga, Málaga, Spain
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9
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Jaimes-Bernal C, Rallón N, Benito JM, Omar M, Gómez-Vidal MA, Márquez FJ, Sánchez-Arcas B, Trujillo M, Royo JL, Saulle I, Biasin M, Rivero-Juárez A, Caruz A. A Knockout IFNL4 Variant Is Associated With Protection From Sexually Transmitted HIV-1 Infection. J Infect Dis 2019; 219:772-776. [PMID: 30289470 DOI: 10.1093/infdis/jiy584] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [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: 03/01/2018] [Accepted: 10/04/2018] [Indexed: 11/14/2022] Open
Abstract
An interferon λ4 gene (IFNL4) knockout allele (rs368234815; TT) is associated with spontaneous and IFN-α-dependent cure of hepatitis C virus infection. The role of this polymorphism in the susceptibility to human immunodeficiency virus type 1 (HIV-1) infection is controversial. This study aimed to assess the association of this knockout IFNL4 variant and sexually transmitted HIV-1 infection. A total of 228 HIV-1-positive individuals and 136 HIV-exposed seronegative individuals were investigated for their association with IFNL4 rs368234815 genotypes. The IFNL4 ΔG functional allele is associated with increased susceptibility to HIV-1 infection through the sexual route (odds ratio [OR], 2.1; 95% confidence interval [CI], 1.2-3.6; P = .004). A meta-analysis including a population of injection drug users suggests a codominant mode of inheritance of this risk factor (OR, 2.0; 95% CI, 1.3-3.2; P = .001).
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Affiliation(s)
- Claudia Jaimes-Bernal
- Immunogenetics Unit, Department of Experimental Biology, Universidad de Jaén, Jaen.,Research Group of the Bacteriology and Clinical Laboratory Program, Faculty of Health Sciences, Universidad de Boyacá, Tunja, Colombia
| | - Norma Rallón
- Instituto de Investigación Sanitaria-Fundación Jiménez Díaz, Universidad Autónoma de Madrid, Madrid.,Hospital Universitario Rey Juan Carlos, Móstoles
| | - José M Benito
- Instituto de Investigación Sanitaria-Fundación Jiménez Díaz, Universidad Autónoma de Madrid, Madrid.,Hospital Universitario Rey Juan Carlos, Móstoles
| | - Mohamed Omar
- Infectious Diseases and Clinical Microbiology Unit. Complejo Hospitalario de Jaén, Jaen
| | | | | | | | | | - José Luis Royo
- Department of Surgery, Biochemistry and Immunology, Universidad de Málaga, Málaga
| | - Irma Saulle
- Department of Biomedical and Clinical Sciences "L.-Sacco", University of Milan, Italy
| | - Mara Biasin
- Department of Biomedical and Clinical Sciences "L.-Sacco", University of Milan, Italy
| | - Antonio Rivero-Juárez
- Maimonides Institute for Research in Biomedicine of Cordoba/Hospital Universitario Reina Sofía, Cordoba, Spain
| | - Antonio Caruz
- Immunogenetics Unit, Department of Experimental Biology, Universidad de Jaén, Jaen
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10
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Moreno-Grau S, de Rojas I, Hernández I, Quintela I, Montrreal L, Alegret M, Hernández-Olasagarre B, Madrid L, González-Perez A, Maroñas O, Rosende-Roca M, Mauleón A, Vargas L, Lafuente A, Abdelnour C, Rodríguez-Gómez O, Gil S, Santos-Santos MÁ, Espinosa A, Ortega G, Sanabria Á, Pérez-Cordón A, Cañabate P, Moreno M, Preckler S, Ruiz S, Aguilera N, Pineda JA, Macías J, Alarcón-Martín E, Sotolongo-Grau O, Marquié M, Monté-Rubio G, Valero S, Benaque A, Clarimón J, Bullido MJ, García-Ribas G, Pástor P, Sánchez-Juan P, Álvarez V, Piñol-Ripoll G, García-Alberca JM, Royo JL, Franco E, Mir P, Calero M, Medina M, Rábano A, Ávila J, Antúnez C, Real LM, Orellana A, Carracedo Á, Sáez ME, Tárraga L, Boada M, Ruiz A. Genome-wide association analysis of dementia and its clinical endophenotypes reveal novel loci associated with Alzheimer's disease and three causality networks: The GR@ACE project. Alzheimers Dement 2019; 15:1333-1347. [PMID: 31473137 DOI: 10.1016/j.jalz.2019.06.4950] [Citation(s) in RCA: 89] [Impact Index Per Article: 17.8] [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: 01/29/2019] [Revised: 06/19/2019] [Accepted: 06/19/2019] [Indexed: 01/10/2023]
Abstract
INTRODUCTION Large variability among Alzheimer's disease (AD) cases might impact genetic discoveries and complicate dissection of underlying biological pathways. METHODS Genome Research at Fundacio ACE (GR@ACE) is a genome-wide study of dementia and its clinical endophenotypes, defined based on AD's clinical certainty and vascular burden. We assessed the impact of known AD loci across endophenotypes to generate loci categories. We incorporated gene coexpression data and conducted pathway analysis per category. Finally, to evaluate the effect of heterogeneity in genetic studies, GR@ACE series were meta-analyzed with additional genome-wide association study data sets. RESULTS We classified known AD loci into three categories, which might reflect the disease clinical heterogeneity. Vascular processes were only detected as a causal mechanism in probable AD. The meta-analysis strategy revealed the ANKRD31-rs4704171 and NDUFAF6-rs10098778 and confirmed SCIMP-rs7225151 and CD33-rs3865444. DISCUSSION The regulation of vasculature is a prominent causal component of probable AD. GR@ACE meta-analysis revealed novel AD genetic signals, strongly driven by the presence of clinical heterogeneity in the AD series.
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Affiliation(s)
- Sonia Moreno-Grau
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain; CIBERNED, Network Center for Biomedical Research in Neurodegenerative Diseases, National Institute of Health Carlos III, Madrid, Spain
| | - Itziar de Rojas
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Isabel Hernández
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain; CIBERNED, Network Center for Biomedical Research in Neurodegenerative Diseases, National Institute of Health Carlos III, Madrid, Spain
| | - Inés Quintela
- Grupo de Medicina Xenómica, Centro Nacional de Genotipado (CEGEN-PRB3-ISCIII). Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Laura Montrreal
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Montserrat Alegret
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain; CIBERNED, Network Center for Biomedical Research in Neurodegenerative Diseases, National Institute of Health Carlos III, Madrid, Spain
| | - Begoña Hernández-Olasagarre
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Laura Madrid
- CAEBI, Centro Andaluz de Estudios Bioinformáticos, Sevilla, Spain
| | | | - Olalla Maroñas
- Grupo de Medicina Xenómica, Centro Nacional de Genotipado (CEGEN-PRB3-ISCIII). Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Maitée Rosende-Roca
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Ana Mauleón
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Liliana Vargas
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Asunción Lafuente
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Carla Abdelnour
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain; CIBERNED, Network Center for Biomedical Research in Neurodegenerative Diseases, National Institute of Health Carlos III, Madrid, Spain
| | - Octavio Rodríguez-Gómez
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain; CIBERNED, Network Center for Biomedical Research in Neurodegenerative Diseases, National Institute of Health Carlos III, Madrid, Spain
| | - Silvia Gil
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Miguel Ángel Santos-Santos
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Ana Espinosa
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain; CIBERNED, Network Center for Biomedical Research in Neurodegenerative Diseases, National Institute of Health Carlos III, Madrid, Spain
| | - Gemma Ortega
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain; CIBERNED, Network Center for Biomedical Research in Neurodegenerative Diseases, National Institute of Health Carlos III, Madrid, Spain
| | - Ángela Sanabria
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain; CIBERNED, Network Center for Biomedical Research in Neurodegenerative Diseases, National Institute of Health Carlos III, Madrid, Spain
| | - Alba Pérez-Cordón
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Pilar Cañabate
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain; CIBERNED, Network Center for Biomedical Research in Neurodegenerative Diseases, National Institute of Health Carlos III, Madrid, Spain
| | - Mariola Moreno
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Silvia Preckler
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Susana Ruiz
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain; CIBERNED, Network Center for Biomedical Research in Neurodegenerative Diseases, National Institute of Health Carlos III, Madrid, Spain
| | - Nuria Aguilera
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Juan Antonio Pineda
- Unidad Clínica de Enfermedades Infecciosas y Microbiología. Hospital Universitario de Valme, Sevilla, Spain
| | - Juan Macías
- Unidad Clínica de Enfermedades Infecciosas y Microbiología. Hospital Universitario de Valme, Sevilla, Spain
| | - Emilio Alarcón-Martín
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain; Department of Surgery, Biochemistry and Molecular Biology, School of Medicine, University of Málaga, Málaga, Spain
| | - Oscar Sotolongo-Grau
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain
| | | | | | | | - Marta Marquié
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Gemma Monté-Rubio
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Sergi Valero
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain; CIBERNED, Network Center for Biomedical Research in Neurodegenerative Diseases, National Institute of Health Carlos III, Madrid, Spain
| | - Alba Benaque
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Jordi Clarimón
- CIBERNED, Network Center for Biomedical Research in Neurodegenerative Diseases, National Institute of Health Carlos III, Madrid, Spain; Memory Unit, Neurology Department and Sant Pau Biomedical Research Institute, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Maria Jesus Bullido
- CIBERNED, Network Center for Biomedical Research in Neurodegenerative Diseases, National Institute of Health Carlos III, Madrid, Spain; Centro de Biologia Molecular Severo Ochoa (C.S.I.C.-U.A.M.), Universidad Autonoma de Madrid, Madrid, Spain; Instituto de Investigacion Sanitaria "Hospital la Paz" (IdIPaz), Madrid, Spain
| | | | - Pau Pástor
- Fundació per la Recerca Biomèdica i Social Mútua Terrassa, and Memory Disorders Unit, Department of Neurology, Hospital Universitari Mutua de Terrassa, University of Barcelona School of Medicine, Terrassa, Spain
| | - Pascual Sánchez-Juan
- CIBERNED, Network Center for Biomedical Research in Neurodegenerative Diseases, National Institute of Health Carlos III, Madrid, Spain; Neurology Service 'Marqués de Valdecilla' University Hospital (University of Cantabria and IDIVAL), Santander, Spain
| | - Victoria Álvarez
- Laboratorio de Genética Hospital Universitario Central de Asturias, Oviedo, Spain; Instituto de Investigación Biosanitaria del Principado de Asturias (ISPA), Oviedo, Spain
| | - Gerard Piñol-Ripoll
- CIBERNED, Network Center for Biomedical Research in Neurodegenerative Diseases, National Institute of Health Carlos III, Madrid, Spain; Unitat Trastorns Cognitius, Hospital Universitari Santa Maria de Lleida, Institut de Recerca Biomédica de Lleida (IRBLLeida), Lleida, Spain
| | | | - José Luis Royo
- Department of Surgery, Biochemistry and Molecular Biology, School of Medicine, University of Málaga, Málaga, Spain
| | - Emilio Franco
- Unidad de Demencias, Servicio de Neurología y Neurofisiología. Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Seville, Spain
| | - Pablo Mir
- CIBERNED, Network Center for Biomedical Research in Neurodegenerative Diseases, National Institute of Health Carlos III, Madrid, Spain; Unidad de Trastornos del Movimiento, Servicio de Neurología y Neurofisiología. Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Seville, Spain
| | - Miguel Calero
- CIBERNED, Network Center for Biomedical Research in Neurodegenerative Diseases, National Institute of Health Carlos III, Madrid, Spain; CIEN Foundation, Queen Sofia Foundation Alzheimer Center, Madrid, Spain; Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - Miguel Medina
- CIBERNED, Network Center for Biomedical Research in Neurodegenerative Diseases, National Institute of Health Carlos III, Madrid, Spain; CIEN Foundation, Queen Sofia Foundation Alzheimer Center, Madrid, Spain
| | - Alberto Rábano
- CIBERNED, Network Center for Biomedical Research in Neurodegenerative Diseases, National Institute of Health Carlos III, Madrid, Spain; CIEN Foundation, Queen Sofia Foundation Alzheimer Center, Madrid, Spain; BT-CIEN, Madrid, Spain
| | - Jesús Ávila
- CIBERNED, Network Center for Biomedical Research in Neurodegenerative Diseases, National Institute of Health Carlos III, Madrid, Spain; Department of Molecular Neuropathology, Centro de Biología Molecular "Severo Ochoa" (CBMSO), Consejo Superior de Investigaciones Científicas (CSIC)/Universidad Autónoma de Madrid (UAM), Madrid, Spain
| | - Carmen Antúnez
- Unidad de Demencias, Hospital Clínico Universitario Virgen de la Arrixaca, Murcia, Spain
| | - Luis Miguel Real
- Unidad Clínica de Enfermedades Infecciosas y Microbiología. Hospital Universitario de Valme, Sevilla, Spain; Department of Surgery, Biochemistry and Molecular Biology, School of Medicine, University of Málaga, Málaga, Spain
| | - Adelina Orellana
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Ángel Carracedo
- Grupo de Medicina Xenómica, Centro Nacional de Genotipado (CEGEN-PRB3-ISCIII). Universidade de Santiago de Compostela, Santiago de Compostela, Spain; Fundación Pública Galega de Medicina Xenómica- CIBERER-IDIS, Santiago de Compostela, Spain
| | | | - Lluís Tárraga
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain; CIBERNED, Network Center for Biomedical Research in Neurodegenerative Diseases, National Institute of Health Carlos III, Madrid, Spain
| | - Mercè Boada
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain; CIBERNED, Network Center for Biomedical Research in Neurodegenerative Diseases, National Institute of Health Carlos III, Madrid, Spain
| | - Agustín Ruiz
- Research Center and Memory clinic Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain; CIBERNED, Network Center for Biomedical Research in Neurodegenerative Diseases, National Institute of Health Carlos III, Madrid, Spain.
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11
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Royo JL, Alarcón-Martín E, Díaz-Fuentes J, Colmenero JD, Bravo MJ. Discordance in TLR2 (-196 to -174) polymorphism effect on HIV infection risk. J Gene Med 2018; 20:e3051. [PMID: 30312505 DOI: 10.1002/jgm.3051] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 08/03/2018] [Accepted: 08/11/2018] [Indexed: 11/06/2022] Open
Affiliation(s)
- José Luis Royo
- Surgery, Biochemistry and Immunology Department, School of Medicine, University of Malaga, Málaga, Spain
| | - Emilio Alarcón-Martín
- Surgery, Biochemistry and Immunology Department, School of Medicine, University of Malaga, Málaga, Spain
| | - Jesús Díaz-Fuentes
- Surgery, Biochemistry and Immunology Department, School of Medicine, University of Malaga, Málaga, Spain
| | - Juan D Colmenero
- Infectious Diseases Service, Regional University Hospital, Málaga, Spain
| | - María José Bravo
- Surgery, Biochemistry and Immunology Department, School of Medicine, University of Malaga, Málaga, Spain
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12
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Laplana M, Royo JL, Fibla J. Vitamin D Receptor polymorphisms and risk of enveloped virus infection: A meta-analysis. Gene 2018; 678:384-394. [PMID: 30092343 DOI: 10.1016/j.gene.2018.08.017] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [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: 06/21/2018] [Accepted: 08/04/2018] [Indexed: 12/29/2022]
Abstract
INTRODUCTION Vitamin-D plays a role regulating the immune response against to viral infection. In this sense, vitamin-D deficiency may confer increased susceptibility to enveloped virus infection such as HIV, Hepatitis, Dengue and Respiratory Syncytial virus infection, among others. Vitamin D activity is mediated by its receptor (VDR), which acts as a transcription factor modulating the expression of genes triggering the response against viruses. To date, six major VDR polymorphisms (Cdx, A1012G, FokI, BsmI, ApaI and TaqI) have been studied in the context of viral infection susceptibility. Reported studies show controversial results probably due to statistical lack of power and population genetic differences. AIMS To do a systematic review of the published data and to perform a meta-analysis examining the role of six VDR polymorphisms on infection susceptibility to enveloped virus. RESULTS From all markers and virus considered an association of FokI polymorphism with RSV infection emerges as significant. The worldwide distribution of risk T-allele reveals a lower prevalence in African populations that runs parallel with the relative lower incidence of RSV-associated severe ALRI in children <1 year described in African samples. CONCLUSION The results disclose FokI polymorphism as a relevant variant capturing the association of VDR polymorphisms with viral infection.
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Affiliation(s)
- Marina Laplana
- Department of Basic Medical Sciences, University of Lleida and Institute of Biomedical Research of Lleida (IRBLleida), Lleida, Spain.
| | - José Luis Royo
- Department of Basic Medical Sciences, University of Lleida and Institute of Biomedical Research of Lleida (IRBLleida), Lleida, Spain
| | - Joan Fibla
- Department of Basic Medical Sciences, University of Lleida and Institute of Biomedical Research of Lleida (IRBLleida), Lleida, Spain.
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13
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Colàs-Campàs L, Royo JL, Montserrat MV, Marzo C, Molina-Seguín J, Benabdelhak I, Cambray S, Purroy F. The rs2108622 polymorphism is related to the early risk of ischemic stroke in non-valvular atrial fibrillation subjects under oral anticoagulation. Pharmacogenomics J 2017; 18:652-656. [PMID: 29273767 DOI: 10.1038/s41397-017-0007-z] [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] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Revised: 08/30/2017] [Accepted: 09/18/2017] [Indexed: 12/11/2022]
Abstract
Oral anticoagulant treatments, such as vitamin K antagonists (VKAs), are the main treatments administered to atrial fibrillation (AF) patients in order to prevent ischemic stroke (IS). However, the genes involved in the VKA metabolism can undergo variations in a single nucleotide (SNP). These SNPs may then affect the VKA target enzyme (VKORC1), VKA degradation enzyme (CYP2C9), and vitamin K bioavailability enzyme (CYP4F2). We genotyped these SNPs in a cohort of patients with non-valvular AF who were under VKA treatment after suffering an IS. Clinical variables, CHADS2-VASC score and data about the international normalized ratio (INR) within the therapeutic range were all recorded. DNA was extracted from blood and genotyping was carried out by DNA sequencing. The main endpoint was the time from VKA onset to IS. Of a total of 356 consecutive IS patients monitored, 33 were included in the study. The median time to the event was 2248.0 days (interquartile range [IQR] 896.3-3545.3). The median CHADS2-VASC score was 4.0 (IQR 3.0-6.0). When we considered the risk of IS within 2 years under VKA treatment, we found that only the rs2108622 AA genotype was significantly associated with this endpoint (early IS) (hazard ratio 6.81, 95% CI 1.37-33.92, p = 0.019). Kaplan-Meier curve analysis also showed a significant relationship between early IS and rs2108622 AA genotype (Log rank p = 0.022). The CYP4F2 gene rs2108622 polymorphism was associated with a risk of early IS in NV-AF patients under VKA treatment.
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Affiliation(s)
- L Colàs-Campàs
- Clinical Neurosciences Group, Institut de Recerca Biomèdica de Lleida (IRBLleida). Universitat de Lleida (UdL), Lleida, Spain
| | - J L Royo
- Surgical Specialties, Biochemistry and Immunology Department, Faculty of Medicine, Universidad de Málaga, Malaga, Spain
| | - M V Montserrat
- Clinical Neurosciences Group, Institut de Recerca Biomèdica de Lleida (IRBLleida). Universitat de Lleida (UdL), Lleida, Spain
| | - C Marzo
- Hemostasis Department, Hospital Arnau de Vilanova, Lleida, Spain
| | - J Molina-Seguín
- Clinical Neurosciences Group, Institut de Recerca Biomèdica de Lleida (IRBLleida). Universitat de Lleida (UdL), Lleida, Spain.,Stroke Unit, Clinical Neurosciences Group, Hospital Universitari Arnau de Vilanova, Lleida, Spain
| | - I Benabdelhak
- Clinical Neurosciences Group, Institut de Recerca Biomèdica de Lleida (IRBLleida). Universitat de Lleida (UdL), Lleida, Spain.,Stroke Unit, Clinical Neurosciences Group, Hospital Universitari Arnau de Vilanova, Lleida, Spain
| | - S Cambray
- Clinical Neurosciences Group, Institut de Recerca Biomèdica de Lleida (IRBLleida). Universitat de Lleida (UdL), Lleida, Spain
| | - F Purroy
- Clinical Neurosciences Group, Institut de Recerca Biomèdica de Lleida (IRBLleida). Universitat de Lleida (UdL), Lleida, Spain. .,Stroke Unit, Clinical Neurosciences Group, Hospital Universitari Arnau de Vilanova, Lleida, Spain.
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14
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Ruiz A, Heilmann S, Leber M, Becker T, Toliat M, Royo JL, Wagner H, Thelen M, Hernandez I, Alegret M, Mauleón A, Espinosa A, Rosende‐Roca M, Lacour A, Grau OS, Breteler MM, Jessen F, Tarraga L, Becker J, Nürnberg P, Nöthen M, Maier W, Boada M, Ramirez A. O4‐04‐04: TOWARD FINE MAPPING AND FUNCTIONAL CHARACTERIZATION OF GENOME‐WIDE ASSOCIATION STUDY‐IDENTIFIED LOCUS RS74615166 (TRIP4) FOR ALZHEIMER'S DISEASE. Alzheimers Dement 2014. [DOI: 10.1016/j.jalz.2014.04.405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Agustín Ruiz
- Fundació ACEBarcelona Alzheimer Treatment and Research CenterBarcelonaSpain
| | | | - Markus Leber
- German Center for Neurodegenerative Diseases (DZNE)BonnGermany
| | | | | | | | | | | | - Isabel Hernandez
- Fundació ACE. Institut Català de Neurociències AplicadesBarcelonaSpain
| | | | | | | | | | | | | | | | - Frank Jessen
- University of BonnDept. of PsychiatryBonnGermany
| | - Lluis Tarraga
- Fundació ACE. Institut Català de Neurociències AplicadesBarcelonaSpain
| | | | | | | | | | - Mercè Boada
- Fundació ACE, Institut Català de Neurociències AplicadesBarcelonaSpain
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15
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Royo JL, Bessa J, Hidalgo C, Fernández-Miñán A, Tena JJ, Roncero Y, Gómez-Skarmeta JL, Casares F. Identification and analysis of conserved cis-regulatory regions of the MEIS1 gene. PLoS One 2012; 7:e33617. [PMID: 22448256 PMCID: PMC3308983 DOI: 10.1371/journal.pone.0033617] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [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: 11/02/2011] [Accepted: 02/13/2012] [Indexed: 11/22/2022] Open
Abstract
Meis1, a conserved transcription factor of the TALE-homeodomain class, is expressed in a wide variety of tissues during development. Its complex expression pattern is likely to be controlled by an equally complex regulatory landscape. Here we have scanned the Meis1 locus for regulatory elements and found 13 non-coding regions, highly conserved between humans and teleost fishes, that have enhancer activity in stable transgenic zebrafish lines. All these regions are syntenic in most vertebrates. The composite expression of all these enhancer elements recapitulate most of Meis1 expression during early embryogenesis, indicating they comprise a basic set of regulatory elements of the Meis1 gene. Using bioinformatic tools, we identify a number of potential binding sites for transcription factors that are compatible with the regulation of these enhancers. Specifically, HHc2:066650, which is expressed in the developing retina and optic tectum, harbors several predicted Pax6 sites. Biochemical, functional and transgenic assays indicate that pax6 genes directly regulate HHc2:066650 activity.
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Affiliation(s)
| | | | | | | | | | | | - José Luis Gómez-Skarmeta
- Centro Andaluz de Biología del Desarrollo (CABD) CSIC-UPO-Junta de Anadalucía, Sevilla, Spain
- * E-mail: (JLGS); (FC)
| | - Fernando Casares
- Centro Andaluz de Biología del Desarrollo (CABD) CSIC-UPO-Junta de Anadalucía, Sevilla, Spain
- * E-mail: (JLGS); (FC)
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16
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Royo JL, Hidalgo C, Roncero Y, Seda MA, Akalin A, Lenhard B, Casares F, Gómez-Skarmeta JL. Dissecting the transcriptional regulatory properties of human chromosome 16 highly conserved non-coding regions. PLoS One 2011; 6:e24824. [PMID: 21935474 PMCID: PMC3172297 DOI: 10.1371/journal.pone.0024824] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [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: 07/05/2011] [Accepted: 08/18/2011] [Indexed: 12/28/2022] Open
Abstract
Non-coding DNA conservation across species has been often used as a predictor for transcriptional enhancer activity. However, only a few systematic analyses of the function of these highly conserved non-coding regions (HCNRs) have been performed. Here we use zebrafish transgenic assays to perform a systematic study of 113 HCNRs from human chromosome 16. By comparing transient and stable transgenesis, we show that the first method is highly inefficient, leading to 40% of false positives and 20% of false negatives. When analyzed in stable transgenic lines, a great majority of HCNRs were active in the central nervous system, although some of them drove expression in other organs such as the eye and the excretory system. Finally, by testing a fraction of the HCNRs lacking enhancer activity for in vivo insulator activity, we find that 20% of them may contain enhancer-blocking function. Altogether our data indicate that HCNRs may contain different types of cis-regulatory activity, including enhancer, insulators as well as other not yet discovered functions.
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Affiliation(s)
- José Luis Royo
- Centro Andaluz de Biologia del Desarrollo, CSIC-Universidad Pablo de Olavide-Junta de Andalucía, Sevilla, Spain
| | - Carmen Hidalgo
- Centro Andaluz de Biologia del Desarrollo, CSIC-Universidad Pablo de Olavide-Junta de Andalucía, Sevilla, Spain
| | - Yolanda Roncero
- Centro Andaluz de Biologia del Desarrollo, CSIC-Universidad Pablo de Olavide-Junta de Andalucía, Sevilla, Spain
| | - María Angeles Seda
- Centro Andaluz de Biologia del Desarrollo, CSIC-Universidad Pablo de Olavide-Junta de Andalucía, Sevilla, Spain
| | - Altuna Akalin
- Computational Biology Unit, Bergen Center for Computational Science, University of Bergen, Bergen, Norway
| | - Boris Lenhard
- Computational Biology Unit, Bergen Center for Computational Science, University of Bergen, Bergen, Norway
- Sars Centre for Marine Molecular Biology, University of Bergen, Bergen, Norway
| | - Fernando Casares
- Centro Andaluz de Biologia del Desarrollo, CSIC-Universidad Pablo de Olavide-Junta de Andalucía, Sevilla, Spain
| | - José Luis Gómez-Skarmeta
- Centro Andaluz de Biologia del Desarrollo, CSIC-Universidad Pablo de Olavide-Junta de Andalucía, Sevilla, Spain
- * E-mail:
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17
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Boada M, Antunez C, López-Arrieta J, Caruz A, Moreno-Rey C, Ramírez-Lorca R, Morón FJ, Hernández I, Mauleón A, Rosende-Roca M, Martínez-Lage P, Marín J, Tárraga L, Alegret M, Pedrajas JR, Urda N, Royo JL, Saez ME, Gayán J, González-Pérez A, Real LM, Ruiz A, Galán JJ. Estrogen receptor alpha gene variants are associated with Alzheimer's disease. Neurobiol Aging 2010; 33:198.e15-24. [PMID: 20674091 DOI: 10.1016/j.neurobiolaging.2010.06.016] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [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: 01/14/2010] [Revised: 05/19/2010] [Accepted: 06/21/2010] [Indexed: 11/19/2022]
Abstract
The present research is aimed at assessing the role of 3 estrogen receptor alpha (ESR1) gene variants in late onset Alzheimer's disease (AD) susceptibility. One thousand one hundred thirteen unrelated late onset sporadic AD patients, 1109 healthy controls and 121 neurologically healthy elderly controls were used to carry out case-control genetic association studies with ESR1 rs3844508, rs2234693, and ESR1 noncoding deletion 1 (ESR1-NCD1) polymorphisms. Thirty-five healthy male samples were used for molecular analyses. The rs2234693 polymorphism is associated with AD in our population (odds ratio [OR], 1.29; p = 0.008). The rs3844508 marker confers protection against AD in males (OR, 0.57; p = 0.001) and the deletion ESR1-NCD1 is a risk factor for AD in women (OR, 1.67; p < 0.001). Molecular analyses on ESR1-NCD1 indicate that this deletion confers a higher response to estradiol activity on ESR1 receptor and it is also associated with differential expression of ESR1 isoforms. Our results support the involvement of ESR1 gene in AD and point to the existence of sexual dimorphism for ESR1 markers. In addition, carriers of ESR1-NCD1 deletion could overrespond to estradiol action.
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Affiliation(s)
- Mercé Boada
- ACE Foundation, Catalan Institute of Applied Neurosciences, Barcelona, Spain
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18
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Hidalgo M, Saez ME, Martinez-Tello FJ, Moron FJ, Ferrero-Herrero E, Labalde-Martinez M, Rigopoulou D, Ballestin-Carcavilla C, Ruiz A, Royo JL, Ramirez-Lorca R. Absence of allelic imbalance involving EMSY, CAPN5, and PAK1 genes in papillary thyroid carcinoma. J Endocrinol Invest 2008; 31:618-23. [PMID: 18787380 DOI: 10.1007/bf03345613] [Citation(s) in RCA: 5] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Papillary thyroid cancer (PTC) accounts for 80% of all thyroid malignancies, and genetic alterations associated to its etiology remain largely unknown. Chromosomal band 11q13 seems to be one of the most frequently amplified regions in human cancer, providing several candidate genes that need detailed characterization. The aim of our study was to investigate the existence of allelic imbalance at EMSY, CAPN5, and PAK1, as candidate genes within 11q13.5-q14 region using a single nucleotide polymorphism-based analysis. We selected a panel of 9 polymorphisms that were analyzed in 41 thyroid carcinoma samples, their contralateral non-pathological tissue and 178 controls from the general population. We did not detect allelic imbalance at these loci in our series. However, we observed a difference in the EMSY-haplotype distribution among PTC patients when compared to controls (odds ratio=2.00; p=0.02). We conclude that 11q13.5-q14 is not imbalanced in PTC, but there is evidence suggesting that EMSY might be of relevance in PTC etiology.
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Affiliation(s)
- M Hidalgo
- Department of Surgery, Hospital Doce de Octubre, Madrid, Spain
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19
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Galan JJ, Buch B, Pedrinaci S, Jimenez-Gamiz P, Gonzalez A, Serrano-Rios M, Salinas A, Rivero MDC, Real LM, Royo JL, Ruiz A. Identification of a 2244 base pair interstitial deletion within the human ESR1 gene in the Spanish population. J Med Genet 2008; 45:420-4. [DOI: 10.1136/jmg.2007.056952] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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20
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Hidalgo-Pascual M, Galan JJ, Chaves-Conde M, Ramírez-Armengol JA, Moreno C, Calvo E, Pelaez P, Crespo C, Ruiz A, Royo JL. Analysis of CXCL12 3'UTR G>A polymorphism in colorectal cancer. Oncol Rep 2008; 18:1583-7. [PMID: 17982648 DOI: 10.3892/or.18.6.1583] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Colorectal cancer is one of the most prevalent cancers in developed countries. However, the genetic factors influencing its appearance remain far from being fully characterized. Recently, a G>A functional transition mapping the 3' untranslated region of the CXCL12 gene (rs1801157) has been found to be under-represented among rectal cancer patients when compared to colon cancer patients from a Swedish series. Here we present the results from an independent analysis of CXCL12 rs1801157 in a larger CRC series of Spanish origin in order to analyse the robustness of this association within a different European population. No significant difference was observed between controls and colon or rectal cancer patients. We were also unable to find a correlation between rs1801157 and different prognostic markers such as metastasis development or disease-free survival time. The epidemiologic data involving CXCL12 rs1801157 in colorectal cancer risk are discussed.
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Affiliation(s)
- M Hidalgo-Pascual
- Servicio de Cirugía General-B, Hospital Universitario 12 de Octubre, 28041 Madrid, Spain
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21
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Esteban F, Royo JL, González-Moles MA, Gonzalez-Perez A, Redondo M, Moreno-Luna R, Rodríguez-Sola M, Gonzalez A, Real LM, Ruiz A, Ramírez-Lorca R. CAPN10 alleles modify laryngeal cancer risk in the Spanish population. Eur J Surg Oncol 2008; 34:94-9. [PMID: 17382509 DOI: 10.1016/j.ejso.2007.02.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [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: 01/11/2007] [Accepted: 02/06/2007] [Indexed: 01/24/2023] Open
Abstract
AIMS Laryngeal carcinoma is a common upper respiratory tract cancer with different environmental and genetic factors involved in its development. To date, CAPN10 has been found to be extensively associated with hyperinsulinaemia and type 2 diabetes mellitus, by different groups. In addition, some reports have shown evidence that hyperinsulinaemia exerts a protective effect on laryngeal cancer risk. On the other hand, low circulating levels of IGF-1 have been recently found in patients with laryngeal carcinoma. Our objective was to examine the contribution of CAPN10 alleles to the development of laryngeal cancer. METHODS Cases and controls were recruited from central and southern Spain. Genotypes were determined using pyrosequencing technology. We analysed CAPN10 UCSNP-44, -43, -19, and -63 allelic distribution in 218 unrelated laryngeal cancer patients and 606 controls from the general population. RESULTS We found that the UCSNP-44 allele-C is significantly under-represented among patients with laryngeal cancer (OR=0.685, p=0.02). CONCLUSION These results indicate that some CAPN10 alleles may be exerting a protective effect on laryngeal cancer risk in the Spanish population.
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Affiliation(s)
- F Esteban
- Servicio de Otorrinolaringologia, Hospital Universitario Virgen del Rocío, Avda Manuel Siurot s/n, 41013 Sevilla, Spain
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22
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Galan JJ, De Felici M, Buch B, Rivero MC, Segura A, Royo JL, Cruz N, Real LM, Ruiz A. Association of genetic markers within the KIT and KITLG genes with human male infertility. Hum Reprod 2006; 21:3185-92. [PMID: 16905672 DOI: 10.1093/humrep/del313] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.1] [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: 01/03/2023] Open
Abstract
BACKGROUND There is much evidence involving the KIT tyrosine kinase receptor and its ligand KITLG in the survival and proliferation of germ cells. Animal models and functional studies in humans suggest that this signalling pathway plays a role in male infertility. METHODS We studied three and two single-nucleotide polymorphisms (SNPs) (rs3819392, rs3134885, rs2237012, rs10506957 and rs995030) located within the genomic region of the KIT and KITLG genes, respectively. A total of 167 idiopathic infertile men (sperm counts <5 million spz/ml) and 465 unrelated healthy controls from the same geographical region were genotyped for these SNPs. RESULTS We found a statistically significant association of the rs3819392 polymorphism, which is located within the KIT gene, with idiopathic male infertility. In addition, a deviation from the Hardy-Weinberg equilibrium (HWE) law was observed for rs10506957 polymorphism within the KITLG gene only in the infertile group. CONCLUSIONS Our data indicate that the KIT/KITLG system may be involved in a low sperm count trait in humans.
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Affiliation(s)
- J J Galan
- Department of Structural Genomics, Neocodex SL, Sevilla, Spain
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23
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Pascual MH, Royo JL, Martínez-Tello FJ, Crespo C, Salinas A, Herrero EF, Lopez-García M, Real LM, Ruiz A, Ramirez-Lorca R. Exploring allelic imbalance within paraffin-embedded tumor biopsies using pyrosequencing technology. Clin Chem Lab Med 2006; 44:1076-81. [PMID: 16958598 DOI: 10.1515/cclm.2006.198] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [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: 11/15/2022]
Abstract
AbstractClin Chem Lab Med 2006;44:1076–81.
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24
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Cebolla A, Royo JL, De Lorenzo V, Santero E. Improvement of recombinant protein yield by a combination of transcriptional amplification and stabilization of gene expression. Appl Environ Microbiol 2002; 68:5034-41. [PMID: 12324354 PMCID: PMC126411 DOI: 10.1128/aem.68.10.5034-5041.2002] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [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: 11/20/2022] Open
Abstract
We explored the use of a cascade circuit for heterologous gene expression that consists of a regulatory module with a salicylate-inducible system that controls the expression of a second regulator, xylS2, whose product is activated by common inducers. Activation and increasing the concentration of the second regulator synergistically induced heterologous genes downstream of the Pm promoter in the expression module. This module can be placed in multicopy vectors or in the chromosome of a host strain by means of minitransposons. Using reporter genes, we evaluated gene regulation capacity and gross production of the system with different configurations. The highest yield was obtained when the expression module was in a multicopy plasmid after a 6-h induction. However, expression modules in plasmids showed low stability after induction even with selective pressure. The chromosomal configuration had the lowest basal levels and induced levels comparable to those of plasmid configurations, resulting in accumulation of more than 10% of the total protein. Unlike the configurations in plasmids, the yield was maintained for at least 3 days even without selective pressure. In conclusion, the cascade system in the chromosome configuration is more efficient for long-term fermentation because of the great stability of the overexpressing phenotype in spite of the high levels of expression.
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Affiliation(s)
- A Cebolla
- Laboratorio Andaluz de Biología, Universidad Pablo de Olavide, 41013 Seville, Spain
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25
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Gonzalez A, Abril E, Roca A, Aragón MJ, Figueroa MJ, Velarde P, Royo JL, Real LM, Ruiz A. Comment: CAPN10 alleles are associated with polycystic ovary syndrome. J Clin Endocrinol Metab 2002; 87:3971-6. [PMID: 12161543 DOI: 10.1210/jcem.87.8.8793] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Abstract
Polycystic ovary syndrome (PCOS) is characterized by chronic anovulation infertility, hyperandrogenemia, and frequently insulin resistance. This study investigated whether polymorphisms in the CAPN10 gene are related with PCOS etiology. The allelic frequencies and genotypes of CAPN10 polymorphisms UCSNP-44, 43, 19, and 63 were determined in 55 well characterized women with polycystic ovaries and 93 unrelated healthy controls using spectrofluorimetric analyses and real-time PCR. Our data indicate that CAPN10 UCSNP-44 allele is associated with PCOS in the Spanish population (P = 0.01). These results support a role of Calpain 10 gene in PCOS susceptibility in humans.
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Affiliation(s)
- Alejandro Gonzalez
- Centro Avanzado de Fertilidad, Unidad de Reproducción y Genética Humana, Instituto Medico Serman, Jerez de la Frontera, Cádiz, Spain.
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26
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Royo JL, Ruiz A, Borrego S, Rubio A, Sánchez B, Nuñez-Roldán A, Lissen E, Antiñolo G. Fluorescence resonance energy transfer analysis of CCR-V64I and SDF1-3'a polymorphisms: prevalence in southern Spain hiv type 1+ cohort and noninfected population. AIDS Res Hum Retroviruses 2001; 17:663-6. [PMID: 11429106 DOI: 10.1089/088922201750236933] [Citation(s) in RCA: 7] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The relationship between host genotype and AIDS, as well as the different genotype frequencies observed in different populations, have become important topics in HIV research. Therefore, the development of methods that provide faster and reliable results may contribute to further development and knowledge of those topics. We present the results of genotyping SDF1-3'A and CCR2-V64I in 440 HIV-1-infected people and 100 noninfected controls from southern Spain, using a novel method based on real-time PCR with LightCycler technology and fluorescence resonance energy transfer. Frequencies obtained were 23.8% for SDF1-3'A and 9.5% for CCR2-V64I for both HIV+ cohort and general population. Both polymorphisms are in accordance with the Hardy-Weinberg equilibrium law and no differences between patients and controls have been observed.
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Affiliation(s)
- J L Royo
- Unidad de Genética Médica y Diagnóstico Prenatal, Hospitales Universitarios Virgen del Rocio, 41013 Seville, Spain
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27
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Ruiz A, Royo JL, Rubio A, Borrego S, Leal M, Sánchez B, Nuñez-Roldán A, Antiñolo G. Spectrofluorimetric analysis of CCR5-delta 32 allele using real-time polymerase chain reaction: prevalence in southern Spanish HIV(+) patients and noninfected population. AIDS Res Hum Retroviruses 2001; 17:191-3. [PMID: 11177400 DOI: 10.1089/08892220150217283] [Citation(s) in RCA: 12] [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] [Indexed: 11/13/2022] Open
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28
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Domínguez-Castellano A, Cerro R, Bueno C, Bringas MJ, Balonga B, Royo JL. [Predictive factors for hospital infections caused by Gram-positive and Gram-negative organisms]. Enferm Infecc Microbiol Clin 1995; 13:596-9. [PMID: 8808476] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
BACKGROUND Knowing the bacterian map and clinical profile of nosocomial infections (NI) in Spain may aid the better planning of empiric antimicrobian treatment. METHODS A prospective incidence study carried out over 9 months was performed. Data collection out with the use of an EPINE project file. The chi square test and comparison of independent sample percentages were used for statistical analysis. RESULTS During the study period 156 cases of NI (rate (5.5%) were detected: 65 patients with gram-negative bacilli infection (GNB), 34 by gram-positive cocci (GPC), 20 with mixed infection and 13 by Candida. The most frequent localization was urinary infection (63%) followed by surgical wound infection, pressure ulcers and respiratory infection. Of the 203 isolations, 57% corresponded to GNB, with E. coli being the most frequent microorganism. Staphylococcus aureus was the GPC most often found (95% methycilline sensitive). CONCLUSIONS The profile of a patient with nosocomial infection in a hospital such as that in which the autors work would be as follows: if the patient were admitted in the department of internal medicine, was dementia or coma, denutrition, urinary catheter or neurologic disease and has NI (overall urinary infection) the infection would most likely be a caused by a gram-negative microorganism. If the patient has an i.v. line or is in a surgical ward, or has deep surgical wound infection the microorganism isolated would most likely be gram-positive.
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29
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Domínguez-Castellano A, Cerro R, Rico MA, Royo JL. [Prolonged fever as an unusual form of presentation of a Mycoplasma pneumoniae infection]. Enferm Infecc Microbiol Clin 1994; 12:42-3. [PMID: 8155758] [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: 01/29/2023]
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30
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Domínguez A, Cerro R, Royo JL. [Tuberculosis, an old disease on the up-swing]. Enferm Infecc Microbiol Clin 1993; 11:461-2. [PMID: 8260523] [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: 01/29/2023]
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31
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Ortega M, Regife V, Pérez-Cerezal M, Arias JL, Orta JC, Royo JL. [Endogenous digitalis]. An Med Interna 1991; 8:89-93. [PMID: 1654143] [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] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
During the past 10 years, several groups of researchers from different laboratories have carried out research on an endogenous substance or substances which had cross immunoreacted to digoxin antibodies in patients without previous cardiotonic treatment. The increase has been demonstrated in various clinical cases which involve an augmentation of plasmatic volume. A considerable amount is known about its molecular structure and anatomic origin; the competitive inhibition of the sodium pump being quite clear.
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Affiliation(s)
- M Ortega
- Departamento de Medicina Interna, Hospital Universitario Virgen Macarena, Sevilla
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