Acta paediatrica (Oslo, Norway : 1992) · 2016
Human leucocyte antigens B*08, DRB1*03 and DRB1*13 are significantly associated with autoimmune liver and biliary diseases in Finnish children.
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Ylinen E, Salmela L, Peräsaari J, Jaatinen T, Tenca A, Vapalahti O, Färkkilä M, Jalanko H, Kolho K-L
Аннотация
AIM: The human leucocyte antigen (HLA) allele and haplotype frequencies of the Finnish population are unique because of the restricted and homogenous gene population. There are no published data on HLA genotype associations in paediatric autoimmune liver diseases in Scandinavia. This study characterised the HLA genotypes of children with autoimmune liver or biliary disease in Finland.
METHODS: The study cohort comprised 19 paediatric patients (13 female) aged three years to 15 years treated for autoimmune liver or biliary disease at the Children's Hospital, Helsinki University Hospital, between 2000 and 2011, and followed up for four years and three months to 14.6 years. We genotyped HLA-B and HLA-DRB1 in the children, and the HLA antigen frequencies were compared with 19 807 records from the Finnish Bone Marrow Donor Registry.
RESULTS: All paediatric patients with autoimmune liver or biliary disease had either autoimmune HLA haplotype B*08;DRB1*03 or DRB1*13. These were significantly more common among patients with autoimmune hepatitis, primary sclerosing cholangitis and autoimmune hepatitis/primary sclerosing cholangitis overlap syndrome than the Finnish control population. HLA RB1*04 was not found in the study cohort.
CONCLUSION: Our study found that B*08, DRB1*03 and DRB1*13 were significantly associated with autoimmune liver and biliary diseases in Finnish paediatric patients.
METHODS: The study cohort comprised 19 paediatric patients (13 female) aged three years to 15 years treated for autoimmune liver or biliary disease at the Children's Hospital, Helsinki University Hospital, between 2000 and 2011, and followed up for four years and three months to 14.6 years. We genotyped HLA-B and HLA-DRB1 in the children, and the HLA antigen frequencies were compared with 19 807 records from the Finnish Bone Marrow Donor Registry.
RESULTS: All paediatric patients with autoimmune liver or biliary disease had either autoimmune HLA haplotype B*08;DRB1*03 or DRB1*13. These were significantly more common among patients with autoimmune hepatitis, primary sclerosing cholangitis and autoimmune hepatitis/primary sclerosing cholangitis overlap syndrome than the Finnish control population. HLA RB1*04 was not found in the study cohort.
CONCLUSION: Our study found that B*08, DRB1*03 and DRB1*13 were significantly associated with autoimmune liver and biliary diseases in Finnish paediatric patients.