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Transcriptome analysis reveals involvement of thiopurine S-methyltransferase in oxidation-reduction processesŠmid, Alenka, farmacevtka ...Thiopurine S-methyltransferase (TPMT) is an important enzyme involved in the deactivation of thiopurines and represents a major determinant of thiopurine-related toxicities. Despite its well-known ... importance in thiopurine metabolism, the understanding of its endogenous role is lacking. In the present study, we aimed to gain insight into the molecular processes involving TPMT by applying a data fusion approach to analyze whole-genome expression data. The RNA profiling was done on whole blood samples from 1017 adult male and female donors to the Estonian biobank using Illumina HTv3 arrays. Our results suggest that TPMT is closely related to genes involved in oxidoreductive processes. The in vitro experiments on different cell models confirmed that TPMT influences redox capacity of the cell by altering S-adenosylmethionine (SAM) consumption and consequently glutathione (GSH) synthesis. Furthermore, by comparing gene networks of subgroups of individuals, we identified genes, which could have a role in regulating TPMT activity. The biological relevance of identified genes and pathways will have to be further evaluated in molecular studies.Source: European Journal of Pharmaceutical Sciences. - ISSN 0928-0987 (Vol. 192, 2024, 10 str.)Type of material - article, component part ; adult, seriousPublish date - 2024Language - englishCOBISS.SI-ID - 171049219
Author
Šmid, Alenka, farmacevtka |
Štajdohar, Miha |
Milek, Miha, 1981- |
Urbančič, Dunja, farmacevtka |
Karas Kuželički, Nataša |
Tamm, Riin |
Metspalu, Andres |
Mlinarič-Raščan, Irena
Topics
Biokemija |
Farmakogenetika |
thiopurine S-methyltransferase |
transcriptome |
data fusion by matrix factorization |
oxidation–reduction processes |
RNA microarray profiling |
tiopurin S-metiltransferaza |
transkriptom |
fuzija podatkov s faktorizacijo matriksa |
oksidacijsko-redukcijski procesi |
profiliranje mikromrež RNK
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Šmid, Alenka, farmacevtka | 29982 |
Štajdohar, Miha | 29630 |
Milek, Miha, 1981- | 25491 |
Urbančič, Dunja, farmacevtka | 34512 |
Karas Kuželički, Nataša | 21459 |
Tamm, Riin | ![]() |
Metspalu, Andres | ![]() |
Mlinarič-Raščan, Irena | 12443 |
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