Serological and molecular analysis of HLA class I and II alleles in Thai patients with psoriasis vulgaris. 1998

S Vejbaesya, and T H Eiermann, and P Suthipinititharm, and C Bancha, and H A Stephens, and K Luangtrakool, and D Chandanayingyong
Department of Transfusion Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand.

The HLA class I and class II alleles in 67 patients with type I psoriasis vulgaris, 23 patients with type II psoriasis vulgaris and 140 healthy individuals were analyzed. The frequencies of HLA-A2, -B46, -B57 and DQB1*0303 were significantly increased in type I psoriasis compared to the controls (Pc<0.05). Molecular analysis of HLA-A2 alleles showed an increase in HLA-A*0207 and a decrease in HLA-A*0203 in type I psoriasis. HLA-DQB1*0301 was significantly decreased in type I psoriasis compared to the normal controls (Pc<0.05). No association of any alleles with type II psoriasis was observed. This data demonstrated two susceptible haplotypes: HLA-A1-B57-DRB1*0701-DQA1*0201-DQB1*0303 (AH57.1) and HLA-A2-B46-DRB1*0901-DQA1*0301-DQB1*0303 (AH46.1) for type I psoriasis in the Thai population. Besides, the haplotype AH46.1 was also associated with type II psoriasis.

UI MeSH Term Description Entries
D011565 Psoriasis A common genetically determined, chronic, inflammatory skin disease characterized by rounded erythematous, dry, scaling patches. The lesions have a predilection for nails, scalp, genitalia, extensor surfaces, and the lumbosacral region. Accelerated epidermopoiesis is considered to be the fundamental pathologic feature in psoriasis. Palmoplantaris Pustulosis,Pustular Psoriasis of Palms and Soles,Pustulosis Palmaris et Plantaris,Pustulosis of Palms and Soles,Psoriases
D005802 Genes, MHC Class II Genetic loci in the vertebrate major histocompatibility complex that encode polymorphic products which control the immune response to specific antigens. The genes are found in the HLA-D region in humans and include H-2M, I-A, and I-E loci in mice. Class II Genes,Genes, Class II,Genes, HLA Class II,MHC Class II Genes,Class II Gene,Gene, Class II
D005805 Genes, MHC Class I Genetic loci in the vertebrate major histocompatibility complex which encode polymorphic characteristics not related to immune responsiveness or complement activity, e.g., B loci (chicken), DLA (dog), GPLA (guinea pig), H-2 (mouse), RT-1 (rat), HLA-A, -B, and -C class I genes of man. Class I Genes,Genes, Class I,Genes, H-2 Class I,Genes, HLA Class I,MHC Class I Genes,H-2 Class I Genes,HLA Class I Genes,Class I Gene,Gene, Class I,Genes, H 2 Class I,H 2 Class I Genes
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
D006683 HLA-DQ Antigens A group of the D-related HLA antigens found to differ from the DR antigens in genetic locus and therefore inheritance. These antigens are polymorphic glycoproteins comprising alpha and beta chains and are found on lymphoid and other cells, often associated with certain diseases. HLA-DC Antigens,HLA-MB Antigens,HLA-DC,HLA-DQ,HLA-DS,HLA-DS Antigens,HLA-LB,HLA-LB Antigens,HLA-MB,Antigens, HLA-DC,Antigens, HLA-DQ,Antigens, HLA-DS,Antigens, HLA-LB,Antigens, HLA-MB,HLA DC Antigens,HLA DQ Antigens,HLA DS Antigens,HLA LB Antigens,HLA MB Antigens
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
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
D013785 Thailand Formerly known as Siam, this is a Southeast Asian nation at the center of the Indochina peninsula. Bangkok is the capital city. Kingdom of Thailand,Siam
D014644 Genetic Variation Genotypic differences observed among individuals in a population. Genetic Diversity,Variation, Genetic,Diversity, Genetic,Diversities, Genetic,Genetic Diversities,Genetic Variations,Variations, Genetic

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