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The diversity of extended gen haplotypes HLA-B*27 in Croatia

Marijana Škifić ; Zavod za tipizaciju tkiva, Klinički zavod za laboratorijsku dijagnostiku, Klinički bolnički centar Zagreb, Zagreb, Hrvatska
Katarina Štingl ; Zavod za tipizaciju tkiva, Klinički zavod za laboratorijsku dijagnostiku, Klinički bolnički centar Zagreb, Zagreb, Hrvatska
Renata Žunec ; Zavod za tipizaciju tkiva, Klinički zavod za laboratorijsku dijagnostiku, Klinički bolnički centar Zagreb, Zagreb, Hrvatska
Zorana Grubić ; Zavod za tipizaciju tkiva, Klinički zavod za laboratorijsku dijagnostiku, Klinički bolnički centar Zagreb, Zagreb, Hrvatska


Puni tekst: hrvatski pdf 454 Kb

str. 17-24

preuzimanja: 692

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Sažetak

In the present study the extended haplotypes of HLA-B*27 gene were analysed in the sample of 42 Croatian families. Peripheral blood (2ml) was collected from all the individuals and genomic DNA was extracted using a commercial kit. The HLA alleles were determined using the method PCR sequence specific primers (PCR-SSP) while the microsatellite alleles were amplified using the method PCR-STR. Analysis of HLA-A-B*27-D6S2927-STR_MICA-TNFa-DRB1 extended haplotypes demonstrated the strongest linkage disequilibrium between HLA-B*27 alleles and microsatellite alleles D6S2927-1 and STR_MICA-A4. Analysis indicated that the rare allele B*2730 is always present in the extended haplotype HLA-A3-B*2730-D6S2927-1-STR_MICA-A4-TNFa-9-DRB1*16. The results of the present study will be applied in future studies of association between microsatellite alleles and spondyloarthropathies and contribute to a better understanding of peptide binding to HLA class I molecules, as well as other aspects of immune response.

Ključne riječi

HLA-B*27; allele B*2730; microsatellites HLA; extended haplotypes; population studies; Croatia

Hrčak ID:

125216

URI

https://hrcak.srce.hr/125216

Datum izdavanja:

1.7.2009.

Podaci na drugim jezicima: hrvatski

Posjeta: 1.568 *