HLA-DR8
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align="center" colspan="2" | Image:DR Illustration.PNG | |
align="center" colspan="2" | human major histocompatibility complex, class II, DR8 | |
bgcolor="#e7dcc3" | Haplotypes groups
| bgcolor="#eeeeee" | DQA*01:DRB1*0801 to DQA*01:DRB1*0806 | |
colspan="2" bgcolor="#dddddd" | Structure (See HLA-DR) | |
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| bgcolor="#dddddd" | Identifiers | align="center" | alpha *0101 |
bgcolor="#e7dcc3" | Symbol(s)
| bgcolor="#eeeeee" | [http://www.gene.ucl.ac.uk/nomenclature/data/get_data.php?hgnc_id=HGNC4947 HLA-DRA]{{Dead link|date=January 2020 |bot=InternetArchiveBot |fix-attempted=yes }} | |
bgcolor="#e7dcc3" | EBI-HLA
| bgcolor="#eeeeee" | [http://www.ebi.ac.uk/cgi-bin/imgt/hla/get_allele.cgi?DRA*0101 DRA*0101] | |
style="background:#f8f8f8"
| bgcolor="#dddddd" | Identifiers | align="center" | beta 1 *0801 to *0806 |
bgcolor="#e7dcc3" | Symbol(s)
| bgcolor="#eeeeee" | [http://www.gene.ucl.ac.uk/nomenclature/data/get_data.php?hgnc_id=4953 HLA-DRB1]{{Dead link|date=January 2020 |bot=InternetArchiveBot |fix-attempted=yes }} | |
bgcolor="#e7dcc3" | EBI-HLA
| bgcolor="#eeeeee" | [http://www.ebi.ac.uk/cgi-bin/imgt/hla/get_allele.cgi?DRB1*0801 DRB1*0801] | |
bgcolor="#e7dcc3" | EBI-HLA
| bgcolor="#eeeeee" | [http://www.ebi.ac.uk/cgi-bin/imgt/hla/get_allele.cgi?DRB1*0802 DRB1*0802] | |
bgcolor="#e7dcc3" | EBI-HLA
| bgcolor="#eeeeee" | [http://www.ebi.ac.uk/cgi-bin/imgt/hla/get_allele.cgi?DRB1*0803 DRB1*0803] | |
bgcolor="#e7dcc3" | EBI-HLA
| bgcolor="#eeeeee" | [http://www.ebi.ac.uk/cgi-bin/imgt/hla/get_allele.cgi?DRB1*0804 DRB1*0804] | |
bgcolor="#e7dcc3" | EBI-HLA
| bgcolor="#eeeeee" | [http://www.ebi.ac.uk/cgi-bin/imgt/hla/get_allele.cgi?DRB1*0805 DRB1*0805] | |
bgcolor="#e7dcc3" | EBI-HLA
| bgcolor="#eeeeee" | [http://www.ebi.ac.uk/cgi-bin/imgt/hla/get_allele.cgi?DRB1*0806 DRB1*0806] | |
colspan="2" bgcolor="#dddddd" | Shared data | |
bgcolor="#e7dcc3" | Locus
| bgcolor="#eeeeee" | chr.6 [https://www.ncbi.nlm.nih.gov/Omim/getmap.cgi?chromosome=6p21.31 6p21.31] |
HLA-DR8 (DR8) is a HLA-DR serotype that recognizes the DRB1*0801 to *0807, and *0810 to *0812 gene products.
Serology
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|+ DR8 serological recognition of the gene products of some DRB1*08 alleles[http://www.ebi.ac.uk/imgt/hla/allele.html derived from IMGT/HLA] | ||
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| style="width:60px" | DRB1* | style="width:60px" | DR8
| style="width:60px" | Sample | |
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| allele | % | size (N) |
style = "background:#e8e8f8" | 0801 | 95 | 1076 |
style = "background:#e8e8f8" | 0802 | 96 | 265 |
style = "background:#e8e8f8" | 0803 | 88 | 230DR12 - 3% |
style = "background:#e8e8f8" | 0804 | 93 | 186 |
style = "background:#e8e8f8" | 0805 | >60 | 5 |
style = "background:#e8e8f8" | 0806 | >75 | 13 |
The serological reaction of DR8 is relatively good. The serology of DRB1*0808, *0809 and *0813 to *0832 serotypes is unknown.
Disease associations
DR8 is linked to papillary thyroid carcinomas,{{cite journal |vauthors=Porto T, Coelho I, Boavida J, Pereira C, Nunes J, Mendonça D, Martins B, Sobrinho L, Leite V | title = Association of HLA DQ4-DR8 haplotype with papillary thyroid carcinomas. | journal = Clin Endocrinol | volume = 64 | issue = 2 | pages = 179–83 | year = 2006 | pmid = 16430717 | doi = 10.1111/j.1365-2265.2006.02445.x| s2cid = 22695710 }} early onset pauciarticular juvenile chronic arthritis,{{cite journal |vauthors=Haas J, Truckenbrodt H, Paul C, Hoza J, Scholz S, Albert E | title = Subtypes of HLA-DRB1*03, *08, *11, *12, *13 and *14 in early onset pauciarticular juvenile chronic arthritis (EOPA) with and without iridocyclitis. | journal = Clin Exp Rheumatol | volume = 12 | pages = S7–14 | year = 1994| issue = Suppl 10 | pmid = 7955632}}{{cite journal |vauthors=Säilä H, Pitkäniemi J, Tuomilehto J, Savolainen A, Alakulppi N, Tuomilehto-Wolf E, Leirisalo-Repo M, Aho K | title = HLA and susceptibility to juvenile idiopathic arthritis: a study of affected sibpairs in an isolated Finnish population. | journal = J Rheumatol | volume = 31 | issue = 11 | pages = 2281–5 | year = 2004 | pmid = 15517645}} primary biliary cirrhosis{{cite journal |vauthors=Underhill J, Donaldson P, Bray G, Doherty D, Portmann B, Williams R | title = Susceptibility to primary biliary cirrhosis is associated with the HLA-DR8-DQB1*0402 haplotype. | journal = Hepatology | volume = 16 | issue = 6 | pages = 1404–8 | year = 1992 | pmid = 1359995 | doi = 10.1002/hep.1840160616| s2cid = 7200339 | doi-access = free }}
=by allele=
HLA-DRB1*0801 is linked to primary biliary cirrhosis{{cite journal |vauthors=Charatcharoenwitthaya P, Lindor K | title = Current concepts in the pathogenesis of primary biliary cirrhosis. | journal = Ann Hepatol | volume = 4 | issue = 3 | pages = 161–75 | year = 2005| doi = 10.1016/S1665-2681(19)32061-7 | pmid = 16177655| doi-access = free }} In Mexicans DR8 is found more often in type-2 juvenile diabetes.{{cite journal |vauthors=Rodríguez-Ventura AL, Yamamoto-Furusho JK, Coyote N, etal | title = HLA-DRB1*08 allele may help to distinguish between type 1 diabetes mellitus and type 2 diabetes mellitus in Mexican children | journal = Pediatric Diabetes | volume = 8 | issue = 1 | pages = 5–10 | year = 2007 | pmid = 17341285 | doi = 10.1111/j.1399-5448.2006.00221.x| s2cid = 35352151 | doi-access = free }}
Genetic Linkage
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|align="center" colspan="4" | DR8 Haplotypes | ||
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| bgcolor="#dddddd"| ! bgcolor="#dddddd"| DRA !! bgcolor="#dddddd"| DRB1 !! bgcolor="#dddddd" | | ||
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| rowspan = "1" bgcolor="#e7dcc3" | Haplotypes | bgcolor="#eeeeee"| *0101 | bgcolor="#eeeeee"| *0801 | bgcolor="#eeeeee" | *0101 |
style="background:#f8f8f8"
| bgcolor="#dddddd"| ! bgcolor="#dddddd"| DQA1 !! bgcolor="#dddddd"| DQB1 !! bgcolor="#dddddd" | DRB1 | ||
bgcolor="#e7dcc3" | Haplotypes
| bgcolor="#eeeeee"| *0401 | bgcolor="#eeeeee"| *0402 | bgcolor="#eeeeee" | *0801 |
style="background:#f8f8f8"
| bgcolor="#dddddd"| ! bgcolor="#dddddd"| HLA-A !! bgcolor="#dddddd"| HLA-B !! bgcolor="#dddddd" | DRB1 | ||
bgcolor="#e7dcc3" | Haplotypes
| bgcolor="#eeeeee"| *0000 | bgcolor="#eeeeee"| *0000 | bgcolor="#eeeeee" | *0801 |
HLA-DR8 is not genetically linked to HLA-DR51 to DR53, but is linked to DQ4 serotypes.