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Expression data of mesenchymal stromal cells after 40 hours of co-culture with primary B-cell precursor acute lymphoblastic leukemia cells

ABSTRACT: B-cell precursor acute lymphoblastic leukemia (BCP-ALL) cells reside in the bone marrow microenvironment, where they are protected against chemotherapeutic agents. Mesenchymal stromal cells (MSCs) are key components of this supporting framework. The present study aimed to unravel whether MSCs derived from pediatric BCP-ALL patients (leukemic MSCs) differ from MSCs derived from healthy pediatric donors (control-MSCs). Therefore, we studied their gene expression profiles after 40 hours of co-culture with primary B-cell precursor acute lymphoblastic leukemia cells. MSCs were sorted using fluorescence-activated cell sorting (FACS).

ORGANISM(S): Homo sapiens

PROVIDER: GSE101454 | GEO | 2020/07/13

REPOSITORIES: GEO

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Expression data from mesenchymal stromal cells derived from pediatric leukemia patients and healthy pediatric controls

Project description:B-cell precursor acute lymphoblastic leukemia (BCP-ALL) cells reside in the bone marrow microenvironment, where they are protected against chemotherapeutic agents. Mesenchymal stromal cells (MSCs) are key components of this supporting framework. The present study aimed to unravel whether MSCs derived from pediatric BCP-ALL patients (leukemic MSCs) differ from MSCs derived from healthy pediatric donors (control-MSCs). Therefore, we studied their gene expression profiles.

2020-07-13 | GSE101425 | GEO

Whole transcriptome analysis to detect fusion genes in pediatric BCP-ALL

Project description:Whole transcriptome RNA-seq of pediatric infant (<1year of aget at diagnosis) patients affected by B-cell precursor Acute Lymphoblastic leukemia (BCP-ALL). The aim of the study is to identify fusion gene rearrangements involved in childhood leukemia, using Next Generation Sequencing (NGS)

2021-10-25 | E-MTAB-9925 | biostudies-arrayexpress

Targeted RNA-seq of BCP-ALL pediatric patients

Project description:Targeted RNA-seq of pediatric infant (<1year of age at diagnosis) patients affected by B-cell precursor Acute Lymphoblastic leukemia (BCP-ALL). The aim of the study is to identify fusion gene rearrangements involved in childhood leukemia, using a custom targeted panel for RNA analysis by NGS.

2021-10-25 | E-MTAB-9971 | biostudies-arrayexpress

Lnc-RNA expression pattern in ETV6/RUNX1-driven b-cell precursor acute lymphoblastic leukemia (BCP-ALL)

Project description:Overwhelming evidence indicates that long non-coding RNAs have essential roles in tumorigenesis. Nevertheless, their expression and role in pediatric B-cell precursor acute lymphoblastic leukemia has not been extensively explored. Here, we conducted a comprehensive analysis of the long non-coding RNA transcriptome in ETV6/RUNX1 positive BCP-ALL, one of the most frequent subtypes of pediatric leukemia. An ETV6/RUNX1 expression signature was established, consisting of 596 lncRNAs (434 up and 162 down) using expression analysis of a series of primary patient samples. Subsequently, RNA sequencing from BCP-ALL cell lines and shRNA-mediated silencing of ETV6/RUNX1, illustrated that lnc-NKX2-3-1, lnc-TIMM21-5, lnc-ASTN1-1 and lnc-RTN4R-1 are bona fide ETV6/RUNX1 targets and could serve as novel biomarkers of this prevalent subtype of human leukemia.

2016-09-26 | GSE79869 | GEO

Expression data from B-cell precursor acute lymphoblastic leukemia

Project description:B-cell precursor acute lymphoblastic leukemia (BCP-ALL) is a heterogeneous disease that can be subdivided according to primary recurrent genetic abnormalities that are strongly associated with characteristic biological and clinical features. The detection of these abnormalities can facilitate diagnosis, risk stratification, and targeted therapy. We identified an unexpectedly high incidence of fusion genes involving ZNF384 genes, including TCF3-ZNF384, EP300-ZNF384, and CREBBP-ZNF384, in BCP-ALL of our cohort. We therefore used microarrays to evaluate the gene-expression characteristics of BCP-ALL harboring ZNF384-related fusion genes and compared with those of BCP-ALL with other types of conventional genetic abnormality.

2017-03-21 | GSE79533 | GEO

RNA-sequencing of B-ALL cell lines, REH treated with LNA GapmeRs against four lncRNAs

2016-09-26 | GSE79872 | GEO

RNA-sequencing of two the B-ALL cell lines, REH and 697

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Identification of ETV6/RUNX1 regulated lncRNAs

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Coagulation FXIII-A protein expression defines three novel sub-populations in pediatric B-cell progenitor acute lymphoblastic leukemia characterized by distinct gene expression signatures

Project description:Leukemic B-cell precursor (BCP) lymphoblasts were recently identified as a novel expression site for coagulation factor XIII subunit A (FXIII-A). The FXIII-A negative subgroup was significantly associated with the ‘B-other’ genetic category and had an unfavorable disease outcome RNA was extracted from bone marrow lymphoblasts of 42 pediatric patients with BCP-acute lymphoblastic leukemia (ALL). FXIII-A expression was determined by multiparameter FC. Genetic diagnosis was based on conventional cytogenetic method and fluorescence in situ hybridization. Affymetrix GeneChip Human Primeview array was used to analyze global expression pattern of 28869 well-annotated genes.

2019-11-19 | GSE134480 | GEO

Specific expression of microRNAs and snoRNAs characterize ERG-related B cell precursor acute lymphoblastic leukemia [microRNA]

Project description:ERG-related B cell precursor acute lymphoblastic leukemia (BCP ALL) is a recently described childhood ALL subtype characterized by aberrant ERG protein expression and highly recurrent ERG intragenic deletions. Several studies reported a remarkably favourable outcome for ERG-related BCP-ALL despite a high incidence of apparently inauspicious IKZF1 aberrations. In this study we investigated by integrative genomic analysis the main features of the ERG-related group in a cohort of B-others BCP ALL patients enrolled in the AIEOP ALL 2000 therapeutic protocol. We report a specific microRNA and snoRNA signature that characterizes ERG-related patients with up-regulation of the miR-125b-2 cluster on chromosome 21 and several snoRNAs in the Prader-Willi locus at 15q11.2, including the orphan SNORD116 cluster. Given the current lack of parameters for a comprehensive classification we suggest toexploit the noncoding RNAs signature for differential diagnosis of ERG-related patients.

2017-03-21 | GSE79546 | GEO

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