Genetic heterogeneity in Italian families with IgA nephropathy: suggestive linkage for two novel IgA nephropathy loci. (Articolo in rivista)

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  • Genetic heterogeneity in Italian families with IgA nephropathy: suggestive linkage for two novel IgA nephropathy loci. (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Alternative label
  • Bisceglia L; Cerullo G; Forabosco P; Torres DD; Scolari F; Di Perna M; Foramitti M; Amoroso A; Bertok S; Floege J; Mertens PR; Zerres K; Alexopoulos E; Kirmizis D; Ermelinda M; Zelante L; Schena FP; European IgAN Consortium (2006)
    Genetic heterogeneity in Italian families with IgA nephropathy: suggestive linkage for two novel IgA nephropathy loci.
    in American journal of human genetics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Bisceglia L; Cerullo G; Forabosco P; Torres DD; Scolari F; Di Perna M; Foramitti M; Amoroso A; Bertok S; Floege J; Mertens PR; Zerres K; Alexopoulos E; Kirmizis D; Ermelinda M; Zelante L; Schena FP; European IgAN Consortium (literal)
Pagina inizio
  • 1130 (literal)
Pagina fine
  • 1134 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 79 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • From the Medical Genetic Service, IRCCS-Casa Sollievo della Sofferenza, San Giovanni Rotondo, Foggia, Italy Renal Unit, University of Bari, Bari, Italy Department of Medical and Molecular Genetics, King's College London School of Medicine at Guy's, King's College and St. Thomas' Hospitals, London Istituto di Genetica delle Popolazioni-CNR, Alghero, Italy Renal Unit, Spedali Civili, Brescia, Italy Genetic Unit, University of Torino, Torino, Italy Genetic Unit, University of Trieste, Trieste, Italy Division of Nephrology and Immunology, RWTH University of Aachen, Aachen, Germany Institute of Human Genetics, RWTH University of Aachen, Aachen, Germany Renal Unit, Aristotelian University of Thessaloniki, Thessaloniki, Greece (literal)
Titolo
  • Genetic heterogeneity in Italian families with IgA nephropathy: suggestive linkage for two novel IgA nephropathy loci. (literal)
Abstract
  • IgA nephropathy (IgAN) is the most common glomerulonephritis worldwide, but its etiologic mechanisms are still poorly understood. Different prevalences among ethnic groups and familial aggregation, together with an increased familial risk, suggest important genetic influences on its pathogenesis. A locus for familial IgAN, called \"IGAN1,\" on chromosome 6q22-23 has been described, without the identification of any responsible gene. The partners of the European IgAN Consortium organized a second genomewide scan in 22 new informative Italian multiplex families. A total of 186 subjects (59 affected and 127 unaffected) were genotyped and were included in a two-stage genomewide linkage analysis. The regions 4q26-31 and 17q12-22 exhibited the strongest evidence of linkage by nonparametric analysis (best P=.0025 and .0045, respectively). These localizations were also supported by multipoint parametric analysis, in which peak LOD scores of 1.83 ( alpha =0.50) and 2.56 ( alpha =0.65) were obtained using the affected-only dominant model, and by allowance for the presence of genetic heterogeneity. Our results provide further evidence for genetic heterogeneity among families with IgAN. Evidence of linkage to multiple chromosomal regions is consistent with both an oligo/polygenic and a multiple-susceptibility-gene model for familial IgAN, with small or moderate effects in determining the pathological phenotype. Although we identified new candidate regions, replication studies are required to confirm the genetic contribution to familial IgAN. (literal)
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