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The formation of a somatic mutation in the HLA-B gene throughout the development of the disease from severe aplastic anaemia to acute myeloid leukaemia

N. Jana, V. Milena, R. Eva, N. Sara, P. Šárka, Š. Cyril, C. Pietro, B. Jana, B. Monika, DJ. Evangelista,

. 2019 ; 94 Suppl 2 (-) : 30-33. [pub] -

Jazyk angličtina Země Velká Británie

Typ dokumentu kazuistiky, časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/bmc20023396

Grantová podpora
MZ ČR - RVO (ÚHKT CZ00023736) Czech Ministry of Health - International

We detected a somatic mutation in the HLA-B gene in a Czech hematooncological patient. We followed the development of this somatic mutation during the transition from severe aplastic anaemia through to myelodysplastic syndrome to acute myeloid leukaemia until haploidentical related transplantation. The somatic mutation differs from HLA-B*14:02 in exon 3 resulting in an exchange from cysteine to serine at position 101 of the mature protein. Homology modelling of mutated S101 in HLA-B*14 indicated possible conformational changes, which might also result in an aberrant expression. The assumption is that somatic mutation arose as a possible result of a selection mediated by a protective immune response against leukaemia.

Citace poskytuje Crossref.org

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