HLA antigens and haplotypes associated with idiopathic haemochromatosis in Veneto: peculiar association with HLA-A3,B35. 1990

E De Menis, and F Breda, and A Monco, and G Foscolo, and P Legovini, and E Scaldaferri, and L Moro, and N Conte
1 Divisione Medica, Ospedale Regionale di Treviso, Italia.

HLA-A and HLA-B antigens were determined in 16 unrelated subjects orginating from Veneto affected by idiopathic haemochromatosis (IH). HLA-A3 was found in 13/16 patients vs. 300/1,348 controls (p less than 0.00005). Prevalences of A3,B35 haplotype were 0.4375 in patients vs. 0.0816 in controls (p less than 0.0005). Linkage disequilibrium analysis proved the existence of a positive third-order linkage disequilibrium among IH, HLA-A3 and HLA-B35 alleles. Our data confirm the close association of IH and HLA-A3 and prove the peculiar association of the disease with A3,B35 haplotype in north-eastern regions of Italy. The positive third-order linkage disequilibrium suggests a remote event (mutation, recombination or immigration) as origin for IH and A3,B35 association.

UI MeSH Term Description Entries
D007558 Italy A country in southern Europe, a peninsula extending into the central Mediterranean Sea, northeast of Tunisia. The capital is Rome. Sardinia
D008297 Male Males
D005260 Female Females
D006239 Haplotypes The genetic constitution of individuals with respect to one member of a pair of allelic genes, or sets of genes that are closely linked and tend to be inherited together such as those of the MAJOR HISTOCOMPATIBILITY COMPLEX. Haplotype
D006432 Hemochromatosis A disorder of iron metabolism characterized by a triad of HEMOSIDEROSIS; LIVER CIRRHOSIS; and DIABETES MELLITUS. It is caused by massive iron deposits in parenchymal cells that may develop after a prolonged increase of iron absorption. (Jablonski's Dictionary of Syndromes & Eponymic Diseases, 2d ed) Diabetes, Bronze,Bronze Diabetes,Bronzed Cirrhosis,Familial Hemochromatosis,Genetic Hemochromatosis,Haemochromatosis,Hemochromatoses,Iron Storage Disorder,Pigmentary Cirrhosis,Primary Hemochromatosis,Troisier-Hanot-Chauffard Syndrome,Von Recklenhausen-Applebaum Disease,Bronzed Cirrhoses,Cirrhoses, Bronzed,Cirrhoses, Pigmentary,Cirrhosis, Bronzed,Cirrhosis, Pigmentary,Disease, Von Recklenhausen-Applebaum,Diseases, Von Recklenhausen-Applebaum,Disorder, Iron Storage,Disorders, Iron Storage,Familial Hemochromatoses,Genetic Hemochromatoses,Haemochromatoses,Hemochromatose,Hemochromatoses, Familial,Hemochromatoses, Genetic,Hemochromatosis, Familial,Hemochromatosis, Genetic,Iron Storage Disorders,Pigmentary Cirrhoses,Recklenhausen-Applebaum Disease, Von,Recklenhausen-Applebaum Diseases, Von,Storage Disorder, Iron,Storage Disorders, Iron,Syndrome, Troisier-Hanot-Chauffard,Syndromes, Troisier-Hanot-Chauffard,Troisier Hanot Chauffard Syndrome,Troisier-Hanot-Chauffard Syndromes,Von Recklenhausen Applebaum Disease,Von Recklenhausen-Applebaum Diseases
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000483 Alleles Variant forms of the same gene, occupying the same locus on homologous CHROMOSOMES, and governing the variants in production of the same gene product. Allelomorphs,Allele,Allelomorph
D015415 Biomarkers Measurable and quantifiable biological parameters (e.g., specific enzyme concentration, specific hormone concentration, specific gene phenotype distribution in a population, presence of biological substances) which serve as indices for health- and physiology-related assessments, such as disease risk, psychiatric disorders, ENVIRONMENTAL EXPOSURE and its effects, disease diagnosis; METABOLIC PROCESSES; SUBSTANCE ABUSE; PREGNANCY; cell line development; EPIDEMIOLOGIC STUDIES; etc. Biochemical Markers,Biological Markers,Biomarker,Clinical Markers,Immunologic Markers,Laboratory Markers,Markers, Biochemical,Markers, Biological,Markers, Clinical,Markers, Immunologic,Markers, Laboratory,Markers, Serum,Markers, Surrogate,Markers, Viral,Serum Markers,Surrogate Markers,Viral Markers,Biochemical Marker,Biologic Marker,Biologic Markers,Clinical Marker,Immune Marker,Immune Markers,Immunologic Marker,Laboratory Marker,Marker, Biochemical,Marker, Biological,Marker, Clinical,Marker, Immunologic,Marker, Laboratory,Marker, Serum,Marker, Surrogate,Serum Marker,Surrogate End Point,Surrogate End Points,Surrogate Endpoint,Surrogate Endpoints,Surrogate Marker,Viral Marker,Biological Marker,End Point, Surrogate,End Points, Surrogate,Endpoint, Surrogate,Endpoints, Surrogate,Marker, Biologic,Marker, Immune,Marker, Viral,Markers, Biologic,Markers, Immune
D015791 HLA-A3 Antigen A specific HLA-A surface antigen subtype. Members of this subtype contain alpha chains that are encoded by the HLA-A*03 allele family. HLA Class I Histocompatibility Antigen, A-3 alpha Chain,HLA-A3,Antigen, HLA-A3,HLA A3 Antigen
D015797 HLA-B35 Antigen A specific HLA-B surface antigen subtype. Members of this subtype contain alpha chains that are encoded by the HLA-B*35 allele family. HLA Class I Histocompatibility Antigen, B-35 alpha Chain,HLA-B35,Antigen, HLA-B35,HLA B35 Antigen,HLA Class I Histocompatibility Antigen, B 35 alpha Chain

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