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A recombination event occurring between HLA-A and -A loci from father's HLA haplotype chromosome / 中国实验血液学杂志
Journal of Experimental Hematology ; (6): 180-183, 2011.
Article in Chinese | WPRIM | ID: wpr-244960
ABSTRACT
This study was aimed investigate the recombination event occurring between HLA-A and-A loci discovered from father's HLA haplotype chromosome in a family. Peripheral blood samples were collected from a family. HLA class I (-A, -B, and -Cw) and II (-DRB1 and -DQB1) alleles were amplified and typed by both low and high resolution PCR with sequence-specific primers (PCR-SSP) and sequence-based typing (SBT). The results showed that 2 haplotypes of the patient were A(*)3001-B(*)1302-DRB1(*)0701 and A(*)3001-B(*)5601-DRB1(*)1454 respectively, those of her father were A(*)3001-B(*)1302-DRB1*0701 and A(*)1101-B(*)5601-DRB1(*)1454. Family analysis demonstrated that the patient's A(*)3001-B(*)1302-DRB1(*)0701 came from her mother and A(*)1101-B(*)5601-DRB1(*)1454 came from her father, but the A of patient was A(*)3001 and B, DR were the same to her father. This showed that the chromosome exchange and recombination event of father's 2 haplotypes occurring between HLA-A and -A loci at meiosis. And recombinate haploid chromosome was completely inherited to his daughter 1. HLA typing and Paternity testing demonstrated that father was the natural father, and the recombination event occurring between HLA-A and -A loci of the daughter 1 with father's HLA haplotype chromosome. It is concluded that the HLA-A/A of father's HLA haplotype chromosome recombination event occurring between HLA-A an-A loci has been found in a family in China, which helps further study on the mechanisms of HLA recombination.
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Pedigree / Recombination, Genetic / Haplotypes / Histocompatibility Testing / HLA-A Antigens / HLA-B Antigens / HLA-C Antigens / HLA-DQ Antigens / HLA-DR Antigens / Alleles Limits: Adult / Female / Humans / Male Language: Chinese Journal: Journal of Experimental Hematology Year: 2011 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Pedigree / Recombination, Genetic / Haplotypes / Histocompatibility Testing / HLA-A Antigens / HLA-B Antigens / HLA-C Antigens / HLA-DQ Antigens / HLA-DR Antigens / Alleles Limits: Adult / Female / Humans / Male Language: Chinese Journal: Journal of Experimental Hematology Year: 2011 Type: Article