Linkage analysis of 6p21 polymorphic markers and the hereditary hemochromatosis

Localization of the gene centromeric to HLA-F

Paolo Gasparini, Lorena Borgato, Alberto Piperno, Domenico Girelli, Oliviero Olivieri, Enrico Gottardi, Antonella Roetto, Irma Dianzani, Silvia Fargion, Giuseppe Schinaia, Maria D. Cappellini, Giorgio Gandini, Pierfranco Pignatti, Gemino Fiorelli, Giorgio De Sandre, Clara Camaschella

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

Hereditary Hemochromatosis (HFE) is one of the most common inherited disorders with an estimated frequency of homozygous patients of 0.002-0.0045. The disease is characterized by increased intestinal iron absorption and progressive iron overload. Affected subjects show clinical symptoms of parenchimal organ damage after the third-fourth decade of life and have a 200 fold increased risk of developing hepatocellular carcinoma. Early diagnosis and treatment prevent complications and may normalize life expectancy of patients. The biochemical and genetic defects leading to progressive iron accumulation are still unknown, but the HFE gene is tightly linked to HLA complex on the short arm of chromosome 6. Utilizing HLA serotypes and the study of several polymorphic markers of 6p21, a linkage analysis of the disease locus was performed in a series of Italian hemochromatosis families. The data obtained by linkage analysis and the study of a family with a double recombinant allowed us to better define the HFE gene location with respect to HLA-class I A and F loci.

Original languageEnglish
Pages (from-to)571-576
Number of pages6
JournalHuman Molecular Genetics
Volume2
Issue number5
Publication statusPublished - May 1993

Fingerprint

Linkage Analysis
Hemochromatosis
Iron
Genes
Gene
Chromosomes, Human, Pair 6
Iron Overload
Locus
Information Storage and Retrieval
Intestinal Absorption
Life Expectancy
Molecular Biology
Early Diagnosis
Hepatocellular Carcinoma
Normalize
Overload
Chromosomes
Complications
Chromosome
Disorder

ASJC Scopus subject areas

  • Genetics
  • Statistics, Probability and Uncertainty
  • Applied Mathematics
  • Public Health, Environmental and Occupational Health
  • Molecular Biology
  • Genetics(clinical)

Cite this

Linkage analysis of 6p21 polymorphic markers and the hereditary hemochromatosis : Localization of the gene centromeric to HLA-F. / Gasparini, Paolo; Borgato, Lorena; Piperno, Alberto; Girelli, Domenico; Olivieri, Oliviero; Gottardi, Enrico; Roetto, Antonella; Dianzani, Irma; Fargion, Silvia; Schinaia, Giuseppe; Cappellini, Maria D.; Gandini, Giorgio; Pignatti, Pierfranco; Fiorelli, Gemino; De Sandre, Giorgio; Camaschella, Clara.

In: Human Molecular Genetics, Vol. 2, No. 5, 05.1993, p. 571-576.

Research output: Contribution to journalArticle

Gasparini, P, Borgato, L, Piperno, A, Girelli, D, Olivieri, O, Gottardi, E, Roetto, A, Dianzani, I, Fargion, S, Schinaia, G, Cappellini, MD, Gandini, G, Pignatti, P, Fiorelli, G, De Sandre, G & Camaschella, C 1993, 'Linkage analysis of 6p21 polymorphic markers and the hereditary hemochromatosis: Localization of the gene centromeric to HLA-F', Human Molecular Genetics, vol. 2, no. 5, pp. 571-576.
Gasparini, Paolo ; Borgato, Lorena ; Piperno, Alberto ; Girelli, Domenico ; Olivieri, Oliviero ; Gottardi, Enrico ; Roetto, Antonella ; Dianzani, Irma ; Fargion, Silvia ; Schinaia, Giuseppe ; Cappellini, Maria D. ; Gandini, Giorgio ; Pignatti, Pierfranco ; Fiorelli, Gemino ; De Sandre, Giorgio ; Camaschella, Clara. / Linkage analysis of 6p21 polymorphic markers and the hereditary hemochromatosis : Localization of the gene centromeric to HLA-F. In: Human Molecular Genetics. 1993 ; Vol. 2, No. 5. pp. 571-576.
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