HLA-B15

HLA-B15 (B15) is an HLA-B serotype. The serotype identifies the B*15 gene-allele protein products of HLA-B.[1]

See also: History and naming of human leukocyte antigens
HLA-B*1501 (alpha)-β2MG with bound peptide
major histocompatibility complex (human), class I, B15
Alleles B*1501, 1502 . .
Structure (See HLA-B)
Shared data
Locus chr.6 6p21.31

B15 is a broad antigen can be subdivided into several split antigens that are often used in characterization. These are B62, B63, B70, B71, B72, B75, B76, B77. B*15 is the largest allele grouping for any known human autosomal locus, identified as of August 2008 there are more than 150 alleles and ~140 amino acid sequence variants from those gene products. Some of these alleles are discussed below. Other alleles, such as B*46 evolved from B*15. One reason for the diversity of this group is that B15 is among a group of alleles enriched in the original humans that left Africa and dispersed across East Asia and Australia. As people traveled east the frequency of many alleles dropped or disappeared from migrants. However B*15 persisted, expanded and diversified.[2] The wide range and complex environment selected for new alleles and promoted their expansion. B*46 for example is not found in Africa, and appears to have evolved and spread in East Asia, to several 100 million bearers worldwide.

HLA-B15 allele *1502 is associated with the severe skin conditions Stevens–Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) caused by carbamazepine drug sensitivity in East Asians.

Serotype
Serotypes B15, B62, B63, B70, B71, B72, B75, B76, B77 recognition of the HLA B*15 gene products[3]
B*15B15 B62B63 B70B71B72 B75B76B77SampleDesig-
allele%%%%%%%%%size (N)nation
*15012961906B62
*1502722621035B75
*1503161102569B70
*1504106929B62
*1505186422B62
*150640201110B62
*150779101B62
*1508201845B62
*15095365B70
*15101492211204B70
*151115272168B62
*15121718812B62
*1513158191221116B77
*1515134928138B62
*1516380816B63
*1517288797B63
*1518513552B70
*15201005B62
*152171255132B75
*15244454B62
*15257748116B62
*152777676B62
*15281457147B62
*15291921B70
*1530176498B62
*15315012B62
*15357934B62
*15373034B70
AlleleB15B62B63B70B71B72B75B76B77N
Alleles link-out to IMGT/HLA Databease at EBI
gollark: Yes, which is pointless.
gollark: Making b be a 1-tuple adds nothing.
gollark: ```haskella = () -- empty/0-tupleb = (()) -- is not 1-tuple, just () - 1-tuple doesn't really add anythingc = ((), ()) -- 2-tuple of 0-tuples```
gollark: 1-tuples are pointless though.
gollark: Well, it doesn't have to, but it would be unusable for everything without others.

References
  1. Marsh, S. G.; Albert, E. D.; Bodmer, W. F.; Bontrop, R. E.; Dupont, B.; Erlich, H. A.; Fernández-Viña, M.; Geraghty, D. E.; Holdsworth, R.; Hurley, C. K.; Lau, M.; Lee, K. W.; Mach, B.; Maiers, M.; Mayr, W. R.; Müller, C. R.; Parham, P.; Petersdorf, E. W.; Sasazuki, T.; Strominger, J. L.; Svejgaard, A.; Terasaki, P. I.; Tiercy, J. M.; Trowsdale, J. (2010). "Nomenclature for factors of the HLA system, 2010". Tissue Antigens. 75 (4): 291–455. doi:10.1111/j.1399-0039.2010.01466.x. PMC 2848993. PMID 20356336.
  2. Hildebrand WH, Domena JD, Shen SY, et al. (April 1994). "HLA-B15: a widespread and diverse family of HLA-B alleles". Tissue Antigens. 43 (4): 209–18. doi:10.1111/j.1399-0039.1994.tb02327.x. PMID 7521976.
  3. derived from IMGT/HLA
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.