HLA-DR17

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Image:DR Illustration.PNG
major histocompatibility complex, class II, DR17
Haplotypes groups DRA*01:DRB1*0301 DRA*01:DRB1*0304
Structure (See HLA-DR)
Identifiers
alpha *0101
Symbol(s) HLA-DRA
EBI-HLA DRA*0101
Identifiers
beta 1 *0301 *0304
Symbol(s) HLA-DRB1
EBI-HLA DRB1*0301
EBI-HLA DRB1*0304
Shared data
Locus chr.6 6p21.31

HLA-DR17 (DR17) is an HLA-DR serotype that recognizes the DRB1*0301 and *0304 gene products. DR17 is found at high frequency in Western Europe (such as Western Ireland, N. Spain, Sardinia). DR17 is part of the broader antigen group HLA-DR3 and is very similar to the group HLA-DR18.

Serology

DR17 and DR3 recognition of some DRB1*03 alleles[1]
DRB1* DR17 DR3 DR18 Sample
allele  %  %  % size (N)
0301 64 33 0 9698
0304 20 60 5


DR17 recognizes the DRB1*0301, *0304 alleles.

Disease associations

By serotype

DR17 is associated with non-chronic sarcoidosis[1][1], infantile spasm/epilepsy[1], rabies vaccine-induced autoimmune encephalomyelitis[1] and cardiovascular hypertrophy in subjects with arterial hypertension[1] People with DR17 show a tendancy toward benzylpenicilloyl allergies.[1]

By allele

DRB1*0301: diabetes mellitus type 1[1], myositis[1], early onset Graves disease[1], type 1 autoimmune hepatitis[1], inflammatory inclusion body myositis[1]. In autoimmune hepatitis, DRB1*0301 correlates with more severe and difficult to treat disease.[1]

By haplotype

DRB1*0301:DQA1*05:DQB1*0201 is associated with diabetes mellitus type 1[1], ovarian cancer[1], non-thymomic myasthenia gravis [1], idiopathic inflammatory myopathies [1], non-cancer associated Lambert-Eaton myasthenic syndrome[1] and sarcoidosis [1]

By phenotype

The DRB1*0301/DRB1*1501 heterozygote is linked to primary Sjögren's syndrome[1]

Genetic Linkage

DR17 Haplotypes
Serotypes DRA DRB1 DRB3
DR17 *0101 *0301 0101
*0101 *0301 0201
Serotypes DQA1 DQB1 DRB1
DR17(3)-DQ2(2.5) *0501 *0201 *0301
Serotypes HLA-A HLA C HLA B DRB1
A1-Cw7-B8-DR17(3) *0101 *0701 *0801 *0301
A2-Cw7-B8-DR17(3) *0201 *0701 *0801 *0301
A30-Cw5-B18-DR17(3) *3002 *0501 *1801 *0301

HLA-DR17 is genetically linked to DR52 and HLA-DQ2 serotypes. These serotypes are the result of gene products from the HLA-DRB3* and HLA DQA1*0501 and HLA DQB1*0201 alleles. DRB1*0301 is frequently within by the "Super-B8" or ancestral HLA haplotype:

A*0101 : Cw*0701 : B*0801 : DRB1*0301 : DQA1*0501 : DQB1*0201

This haplotype is known as "Super B8" or "European ancestral haplotype"

References


Acknowledgement and Attribution Regarding Sources of Content

Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .

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