
Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
HLA-A26
Introduction
HLA-A26 (A26) is an HLA–A serotype. The serotype identifies the more common HLA-A*26 gene products. A26 is a split antigen of the A10 broad antigen serotype group. A*2601 is believed to be the ancestral type for the A10 group, this group also includes A25, A34, A43 and A66.[1] A26 is broadly distributed but A26 is unusually common in Japan with a number of variants.
Serotype
Serotype
| A*26 | A26 | A10 | Sample |
| allele | % | % | size (N) |
| 2601 | 97 | 2 | 1730 |
| 2602 | 81 | 31 | |
| 2603 | 68 | 8 | 38 |
| 2605 | 90 | 10 |
Serotype recognition of most alleles is generally good.
Disease associations
Disease associations
A26 Serotype is associated with adult T-cell leukemia in Japanese.[2][3]
References
References
- ↑ derived from IMGT/HLA
- ↑ Nomura K, Utsunomiya A, Furushou H, Tara M, Hazeki M, Tokunaga M, Uozumi K, Hanada S, Yashiki S, Tajima K, Sonoda S (2006). “A family predisposition to adult T-cell leukemia”. J Clin Exp Hematop. 46 (2): 67–71. PMID 17142956.
- ↑ Yashiki S, Fujiyoshi T, Arima N, Osame M, Yoshinaga M, Nagata Y, Tara M, Nomura K, Utsunomiya A, Hanada S, Tajima K, Sonoda S (2001). “HLA-A*26, HLA-B*4002, HLA-B*4006, and HLA-B*4801 alleles predispose to adult T cell leukemia: the limited recognition of HTLV type 1 tax peptide anchor motifs and epitopes to generate anti-HTLV type 1 tax CD8(+) cytotoxic T lymphocytes”. AIDS Res Hum Retroviruses. 17 (11): 1047–61. PMID 11485622.
