Expression and functional relevance of long non-coding RNAs in acute myeloid leukemia stem cells

In acute myeloid leukemia (AML), novel therapies are needed to target not only the rapidly dividing AML blasts but also the distinct population of leukemia stem cells (LSCs), which have abnormal self-renewal capacity and increased chemotherapy resistance. Elucidation of the expression and function o...

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Veröffentlicht in:Leukemia 2019-09, Vol.33 (9), p.2169-2182
Hauptverfasser: Bill, Marius, Papaioannou, Dimitrios, Karunasiri, Malith, Kohlschmidt, Jessica, Pepe, Felice, Walker, Christopher J., Walker, Allison E., Brannan, Zachary, Pathmanathan, Aparna, Zhang, Xiaoli, Mrózek, Krzysztof, LaRocco, Allison, Volinia, Stefano, Bloomfield, Clara D., Garzon, Ramiro, Dorrance, Adrienne M.
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container_end_page 2182
container_issue 9
container_start_page 2169
container_title Leukemia
container_volume 33
creator Bill, Marius
Papaioannou, Dimitrios
Karunasiri, Malith
Kohlschmidt, Jessica
Pepe, Felice
Walker, Christopher J.
Walker, Allison E.
Brannan, Zachary
Pathmanathan, Aparna
Zhang, Xiaoli
Mrózek, Krzysztof
LaRocco, Allison
Volinia, Stefano
Bloomfield, Clara D.
Garzon, Ramiro
Dorrance, Adrienne M.
description In acute myeloid leukemia (AML), novel therapies are needed to target not only the rapidly dividing AML blasts but also the distinct population of leukemia stem cells (LSCs), which have abnormal self-renewal capacity and increased chemotherapy resistance. Elucidation of the expression and function of deregulated genes in LSCs is critical to specifically target LSCs and may consequently lead to improving outcomes of AML patients. Here, we correlated long non-coding RNA (lncRNA) expression profiles obtained from two RNA-seq datasets of 375 younger (aged
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Elucidation of the expression and function of deregulated genes in LSCs is critical to specifically target LSCs and may consequently lead to improving outcomes of AML patients. Here, we correlated long non-coding RNA (lncRNA) expression profiles obtained from two RNA-seq datasets of 375 younger (aged &lt;60 years) 76 older (≥60 years) adults with cytogenetically normal AML with a ‘core enriched’ (CE) gene expression signature (GES) associated with LSCs. We identified a LSC-specific signature of 111 lncRNAs that correlated strongly with the CE-GES. Among the top upregulated LSC-associated lncRNAs, we identified the lncRNA DANCR . Further experiments confirmed that DANCR is upregulated in functionally validated LSC-enriched populations. DANCR knock-down in LSCs resulted in decreased stem-cell renewal and quiescence. Furthermore, we showed that targeting Dancr in vivo using a primary murine model of AML (expressing both Mll partial tandem duplication/ Flt3 internal tandem duplication) prolonged the survival of mice after serial transplantation. 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ispartof Leukemia, 2019-09, Vol.33 (9), p.2169-2182
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subjects 38/91
631/532/71
631/67/1990/283/1897
Acute Disease
Acute myeloid leukemia
Animal models
Animals
Cancer
Cancer Research
Cell Self Renewal - genetics
Cell self-renewal
Chemoresistance
Chemotherapy
Critical Care Medicine
Deregulation
Female
Gene expression
Hematology
Humans
Intensive
Internal Medicine
Leukemia
Leukemia, Myeloid, Acute - genetics
Leukemia, Myeloid, Acute - metabolism
Male
Medicine
Medicine & Public Health
Mice
Middle Aged
Myeloid leukemia
Neoplastic Stem Cells - metabolism
Non-coding RNA
Oncology
Reproduction (copying)
Ribonucleic acid
RNA
RNA, Long Noncoding - genetics
RNA, Long Noncoding - metabolism
Stem cell transplantation
Stem cells
Transplantation
title Expression and functional relevance of long non-coding RNAs in acute myeloid leukemia stem cells
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