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Original ArticleOpen Access
A *02 in Southern Thai Muslims and Central Thais
Chiewsilp P 
,
Mongkolsuk T ,
Sujirachato K
,
Mongkolsuk T ,
Sujirachato K The HLA-A *02 subtyping in Thais was conducted and included in the 12th International
Histocompatibility Workshop (12WS). A total of 81 randomized individuals previously serologically
or DNA typed as A2 were studied for A2 subtypings. The subjects consisted of 32 Southern
Thai-Muslims (STM) and 49 Central Thais (CT). The 12WS HLA-A*02 subtyping DNA typing
kit was employed. The most common A*02 subtypes in STM were A*0203,*0201 and *0207 while
they were A*0203,*0207 and *0201 in CT. A*0202, *0204, *0208, *0209, *0212, *0213, *0214,
*0215, *0216 and *0217 were not found in both STM and CT. The 12WS data indicated that
A*0201 was also the most frequent allele of A*2 among North-East Asians. A2 subtype study in
32 STM revealed that 2 in 8 of A *020 1 showed the absence of bands at 813 bp and 705 bp with
primer mix number 03A and 517 A and weak reaction band with primer mix number 33A. In addition,
3 subjects with A*0201 variations have one nucleotide difference in exon 2 by sequence base
typing (by MGJ. Tilanus) which will be reported separately. Conclusion : More variations of
A *02 were observed among STM compared to CT. The variations of reactions with the set of
primer mix should be carefully observed and subjected to further analysis.
Histocompatibility Workshop (12WS). A total of 81 randomized individuals previously serologically
or DNA typed as A2 were studied for A2 subtypings. The subjects consisted of 32 Southern
Thai-Muslims (STM) and 49 Central Thais (CT). The 12WS HLA-A*02 subtyping DNA typing
kit was employed. The most common A*02 subtypes in STM were A*0203,*0201 and *0207 while
they were A*0203,*0207 and *0201 in CT. A*0202, *0204, *0208, *0209, *0212, *0213, *0214,
*0215, *0216 and *0217 were not found in both STM and CT. The 12WS data indicated that
A*0201 was also the most frequent allele of A*2 among North-East Asians. A2 subtype study in
32 STM revealed that 2 in 8 of A *020 1 showed the absence of bands at 813 bp and 705 bp with
primer mix number 03A and 517 A and weak reaction band with primer mix number 33A. In addition,
3 subjects with A*0201 variations have one nucleotide difference in exon 2 by sequence base
typing (by MGJ. Tilanus) which will be reported separately. Conclusion : More variations of
A *02 were observed among STM compared to CT. The variations of reactions with the set of
primer mix should be carefully observed and subjected to further analysis.
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