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Sökning: WFRF:(Pardinas AF) > HLA-DQB1 6672G>C (r...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00003945naa a2200577 4500
001oai:prod.swepub.kib.ki.se:146395059
003SwePub
008240902s2021 | |||||||||||000 ||eng|
024a http://kipublications.ki.se/Default.aspx?queryparsed=id:1463950592 URI
024a https://doi.org/10.1038/s41398-021-01322-w2 DOI
040 a (SwePub)ki
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Konte, B4 aut
2451 0a HLA-DQB1 6672G>C (rs113332494) is associated with clozapine-induced neutropenia and agranulocytosis in individuals of European ancestry
264 c 2021-04-12
264 1b Springer Science and Business Media LLC,c 2021
520 a The atypical antipsychotic clozapine is the only effective medication for treatment-resistant schizophrenia. However, it can also induce serious adverse drug reactions, including agranulocytosis and neutropenia. The mechanism by which it does so is largely unknown, but there is evidence for contributing genetic factors. Several studies identified HLA-DQB1 variants and especially a polymorphism located in HLA-DQB1 (6672G>C, rs113332494) as associated with clozapine-induced agranulocytosis and neutropenia. We analysed the risk allele distribution of SNP rs113332494 in a sample of 1396 controls and 178 neutropenia cases of which 60 developed agranulocytosis. Absolute neutrophil counts of 500/mm3 and 1500/mm3 were used for defining agranulocytosis and neutropenia cases, respectively. We also performed association analyses and analysed local ancestry patterns in individuals of European ancestry, seeking replication and extension of earlier findings. HLA-DQB1 (6672G>C, rs113332494) was associated with neutropenia (OR = 6.20, P = 2.20E−06) and agranulocytosis (OR = 10.49, P = 1.83E−06) in individuals of European ancestry. The association signal strengthened after including local ancestry estimates (neutropenia: OR = 10.38, P = 6.05E−08; agranulocytosis: OR = 16.31, P = 1.39E−06), with effect sizes being considerably larger for agranulocytosis. Using local ancestry estimates for prediction, the sensitivity of rs113332494 increased from 11.28 to 55.64% for neutropenia and from 16.67 to 53.70% for agranulocytosis. Our study further strengthens the evidence implicating HLA-DQB1 in agranulocytosis and neutropenia, suggesting components of the immune system as contributing to this serious adverse drug reaction. Using local ancestry estimates might help in identifying risk variants and improve prediction of haematological adverse effects.
700a Walters, JTR4 aut
700a Rujescu, D4 aut
700a Legge, SE4 aut
700a Pardinas, AF4 aut
700a Cohen, D4 aut
700a Pirmohamed, M4 aut
700a Tiihonen, Ju Karolinska Institutet4 aut
700a Hartmann, AM4 aut
700a Bogers, JP4 aut
700a van der Weide, J4 aut
700a van der Weide, K4 aut
700a Putkonen, A4 aut
700a Repo-Tiihonen, E4 aut
700a Hallikainen, T4 aut
700a Silva, E4 aut
700a Ingimarsson, O4 aut
700a Sigurdsson, E4 aut
700a Kennedy, JL4 aut
700a Sullivan, PFu Karolinska Institutet4 aut
700a Rietschel, M4 aut
700a Breen, G4 aut
700a Stefansson, H4 aut
700a Stefansson, K4 aut
700a Collier, DA4 aut
700a O'Donovan, MC4 aut
700a Giegling, I4 aut
710a Karolinska Institutet4 org
773t Translational psychiatryd : Springer Science and Business Media LLCg 11:1, s. 214-q 11:1<214-x 2158-3188
856u https://www.nature.com/articles/s41398-021-01322-w.pdf
8564 8u http://kipublications.ki.se/Default.aspx?queryparsed=id:146395059
8564 8u https://doi.org/10.1038/s41398-021-01322-w

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