HLA-A, B, and DRB1 polymorphism at high-resolution in Ji-nan Han population
2012
Objective To analyze the polymorphic character of HLA-A,B,DRB1 alleles at highresolution level in Ji-nan Han population.Methods A total of 483 unrelated and healthy Han ethnic individual from Ji-nan region were genotyped by PCR-SBT for HLA-A,B and DRB1 loci.Then allelic and haplotypic frequencies were calculated by maximum likelihood estimation method using Arlequin software.Results There were 27,56 and 41 alleles identified at HLA-A,B and DRB1 loci respectively,and the most common alleles were A * 11∶01(0.1615),B * 13∶02(0.1163) and DRB1 * 07∶01 (0.1763).The three loci haplotype was dominated by A* 30∶01-B * 13∶02-DRB1 * 07∶01 with a frequency of 0.0867.Conclusion The HLA-A,B and DRB1 loci are highly polymorphic in Ji-nan Han population.
Key words:
Human leukocyte antigen; Polymorphism; Han population
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