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Missense mutation in RPS7 causes Diamond-Blackfan anemia via alteration of erythrocyte metabolism, protein translation and induction of ribosomal stress
A. Kubickova, Z. Maceckova, P. Vojta, M. Ondra, J. Volejnikova, P. Koralkova, A. Jungova, O. Jahoda, R. Mojzikova, I. Hadacova, J. Cermak, M. Horvathova, D. Pospisilova, M. Hajduch
Blood cells, molecules, & diseases.
2022 ;
97 (-) :
102690.
[pub] 20220706
Jazyk angličtina Země Spojené státy americké
Typ dokumentu kazuistiky, časopisecké články, práce podpořená grantem
Perzistentní odkaz
https://www.medvik.cz/link/bmc22024186
- MeSH
- Diamondova-Blackfanova anemie * genetika MeSH
- erytrocyty metabolismus MeSH
- lidé MeSH
- missense mutace MeSH
- proteosyntéza MeSH
- ribozomální proteiny * genetika MeSH
- Check Tag
- lidé MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- kazuistiky MeSH
- práce podpořená grantem MeSH
Diamond-Blackfan anemia (DBA) is predominantly underlined by mutations in genes encoding ribosomal proteins (RP); however, its etiology remains unexplained in approximately 25 % of patients. We previously reported a novel heterozygous RPS7 mutation hg38 chr2:g.3,580,153G > T p.V134F in one female patient and two asymptomatic family members, in whom mild anemia and increased erythrocyte adenosine deaminase (eADA) activity were detected. We observed that altered erythrocyte metabolism and oxidative stress which may negatively affect the lifespan of erythrocytes distinguishes the patient from her asymptomatic family members. Pathogenicity of the RPS7 p.V134F mutation was extensively validated including molecular defects in protein translational activity and ribosomal stress activation in the cellular model of this variant.
Citace poskytuje Crossref.org
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- $a Kubickova, Agata $u Institute of Molecular and Translational Medicine, Palacky University Olomouc, Hnevotinska 1333/5, 77900 Olomouc, Czech Republic; Czech Advanced Technology and Research Institute, Institute of Molecular and Translational Medicine, Palacky University in Olomouc, Hnevotinska 1333/5, 77900 Olomouc, Czech Republic
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- $a Diamond-Blackfan anemia (DBA) is predominantly underlined by mutations in genes encoding ribosomal proteins (RP); however, its etiology remains unexplained in approximately 25 % of patients. We previously reported a novel heterozygous RPS7 mutation hg38 chr2:g.3,580,153G > T p.V134F in one female patient and two asymptomatic family members, in whom mild anemia and increased erythrocyte adenosine deaminase (eADA) activity were detected. We observed that altered erythrocyte metabolism and oxidative stress which may negatively affect the lifespan of erythrocytes distinguishes the patient from her asymptomatic family members. Pathogenicity of the RPS7 p.V134F mutation was extensively validated including molecular defects in protein translational activity and ribosomal stress activation in the cellular model of this variant.
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