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Anti-apoptotic quin...
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Ullmark, ToveLund University,Lunds universitet,Avdelningen för hematologi och transfusionsmedicin,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Hematology and Transfusion Medicine,Department of Laboratory Medicine,Faculty of Medicine
(author)
Anti-apoptotic quinolinate phosphoribosyltransferase (QPRT) is a target gene of Wilms' tumor gene 1 (WT1) protein in leukemic cells
- Article/chapterEnglish2017
Publisher, publication year, extent ...
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Elsevier BV,2017
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6 s.
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electronicrdacarrier
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LIBRIS-ID:oai:lup.lub.lu.se:d2a7c9e4-26cc-448b-9ef5-52db9958af39
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https://lup.lub.lu.se/record/d2a7c9e4-26cc-448b-9ef5-52db9958af39URI
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https://doi.org/10.1016/j.bbrc.2016.11.114DOI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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Wilms' tumor gene 1 (WT1) is a zinc finger transcription factor that has been implicated as an oncogene in leukemia and several other malignancies. When investigating possible gene expression network partners of . WT1 in a large acute myeloid leukemia (AML) patient cohort, one of the genes with the highest correlation to . WT1 was quinolinate phosphoribosyltransferase (QPRT), a key enzyme in the . de novo nicotinamide adenine dinucleotide (NAD+) synthesis pathway. To investigate the possible relationship between . WT1 and . QPRT, we overexpressed . WT1 in hematopoietic progenitor cells and cell lines, resulting in an increase of . QPRT expression. WT1 knock-down gave a corresponding decrease in . QPRT gene and protein expression. Chromatin-immunoprecipitation revealed WT1 binding to a conserved site in the first intron of the . QPRT gene. Upon overexpression in leukemic K562 cells, QPRT conferred partial resistance to the anti-leukemic drug imatinib, indicating possible anti-apoptotic functions, consistent with previous reports on glioma cells. Interestingly, the rescue effect of QPRT overexpression was not correlated to increased NAD + levels, suggesting NAD + independent mechanisms. We conclude that . QPRT, encoding a protein with anti-apoptotic properties, is a novel and direct target gene of WT1 in leukemic cells.
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Montano, GiorgiaLund University,Lunds universitet,Avdelningen för hematologi och transfusionsmedicin,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Hematology and Transfusion Medicine,Department of Laboratory Medicine,Faculty of Medicine(Swepub:lu)med-ggm
(author)
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Järvstråt, LinneaLund University,Lunds universitet,Avdelningen för hematologi och transfusionsmedicin,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Hematology and Transfusion Medicine,Department of Laboratory Medicine,Faculty of Medicine(Swepub:lu)med-ljt
(author)
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Jernmark Nilsson, HelenaLund University,Lunds universitet,Avdelningen för hematologi och transfusionsmedicin,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Hematology and Transfusion Medicine,Department of Laboratory Medicine,Faculty of Medicine(Swepub:lu)med-hje
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Håkansson, ErikLund University
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Drott, KristinaLund University,Lunds universitet,Avdelningen för hematologi och transfusionsmedicin,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Hematology and Transfusion Medicine,Department of Laboratory Medicine,Faculty of Medicine(Swepub:lu)efor-kch
(author)
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Nilsson, BjörnLund University,Lunds universitet,Avdelningen för hematologi och transfusionsmedicin,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Hematology and Transfusion Medicine,Department of Laboratory Medicine,Faculty of Medicine(Swepub:lu)klin-bni
(author)
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Vidovic, KarinaLund University,Lunds universitet,Avdelningen för hematologi och transfusionsmedicin,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Hematology and Transfusion Medicine,Department of Laboratory Medicine,Faculty of Medicine(Swepub:lu)efor-kvi
(author)
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Gullberg, UrbanLund University,Lunds universitet,Avdelningen för hematologi och transfusionsmedicin,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Hematology and Transfusion Medicine,Department of Laboratory Medicine,Faculty of Medicine(Swepub:lu)efor-ugu
(author)
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Avdelningen för hematologi och transfusionsmedicinInstitutionen för laboratoriemedicin
(creator_code:org_t)
Related titles
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In:Biochemical and Biophysical Research Communications: Elsevier BV482:4, s. 802-8070006-291X
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