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Expression profiling of NB4 cells after treatment with ATRA

ABSTRACT: In acute promyelocytic leukemia (APL), differentiation therapy with all-trans retinoic acid (ATRA)

ORGANISM(S): Homo sapiens

PROVIDER: GSE18397 | GEO | 2009/10/06

SECONDARY ACCESSION(S): PRJNA118087

REPOSITORIES: GEO

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Gene expression profiling of ATRA-resistant NB4-MR4 subclone (R4 cell line) treated with a CHK1 inhibitor i(MK-8776).

Project description:Acute promyelocytic leukemia (APL) is a hematological disease characterized by a balanced reciprocal translocation that leads to the synthesis of the oncogenic fusion protein PML-RARα. APL is mainly managed by a differentiation therapy based on the administration of all-trans retinoic acid (ATRA) and arsenic trioxide (ATO). However, therapy resistance, differentiation syndrome, and relapses require the development of new low-toxicity therapies based on the induction of blasts differentiation. Here, we performed a high-throughput gene expression profile of the ATRA-resistant acute promyelocytic leukemia (APL) cellline (aka R4) treated with a CHK1 inhibitor or DMSO as control.

2024-01-01 | GSE223329 | GEO

Expression profiling of myeloid leukemia cell treated with vibsanin A, PMA and ATRA

Project description:All-trans retinoic acid (ATRA)-based differentiation therapy has achieved success with the treatment of acute promyelocytic leukemia (APL), a unique subtype of acute myeloid leukemia (AML). However, other subtypes of AML display resistance to ATRA-based treatment. Here, we demonstrate that a novel natural vibsane-type diterpenoid vibsanin A promotes the differentiation of myeloid leukemia cell lines and primary AML blasts. To reveal how vibsanin A function on promoting myeloid leukemia cell differentiation, we analyzed and compared the gene expression profiles in myeloid leukemia HL-60 cells treated with vibsanin A, PMA, and ATRA.

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NB4 cell line untreated and induced to differentiate by a 48h exposure to 1µM ATRA

Project description:NB4 is a cell line model of acute promyelocytic leukemia (APL).The t(15;17) translocation and consequent expression of the PML (Promyelocytic Leukemia Protein)/RARalpha (Retinoic Acid Receptor Alpha) fusion protein blocks differentiation at the promyelocytic stage.The PML portion of the PML/RARalpha fusion protein has a high affinity for the corepression complex, preventing RARalpha transcriptional activity. To induce complete remission in a high proportion of patients, a pharmacological dose of ATRA is required to destabilize this interaction and re-establish the differentiation program. Keywords: SAGE Sau3A

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All-trans retinoic reduces the levels of cardiolipins in the NB4 acute promyelocytic leukemia cell-line affecting the autophagy and differentiation responses

Project description:All-trans retinoic (ATRA) is used in the treatment of acute promyelocytic leukemia a rare form of AML characterized by the presence of a specific translocation involving chrosomes 15;17 and causing the production of the PML-RARα fusion protein in 95% of the cases. ATRA differentiates the APL blasts into neutrophilic granulocytes which are short lived cells. This effect is at the basis of the therapeutic effect of ATRA.

2022-01-31 | E-MTAB-10267 | biostudies-arrayexpress

Transcription profiling by array of ATRA- and control-treated NB4 leukemia cells

Project description:The acute promyelocytic leukemia-derived cell line, NB4, was grown at 37°C in 5% CO2 in an RPMI medium supplemented with 2 mM L-glutamine and 10% decomplemented fetal calf serum. Cells were cultured for 48 h with or without 1 μM All-trans retinoic acid (ATRA). Duplicates of 3 independent experiments were analyzed.

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Expression profiling of myeloid leukemia cell treated with vibsanine A, PMA and ATRA

Project description:All-trans retinoic acid (ATRA)-based differentiation therapy has achieved success with the treatment of acute promyelocytic leukemia (APL), a unique subtype of acute myeloid leukemia (AML). However, other subtypes of AML display resistance to ATRA-based treatment. Here, we demonstrate that a novel natural vibsane-type diterpenoid vibsanine A promotes the differentiation of myeloid leukemia cell lines and primary AML blasts. To reveal how vibsanine A function on promoting myeloid leukemia cell differentiation, we analyzed and compared the gene expression profiles in myeloid leukemia HL-60 cells treated with vibsanine A, PMA, and ATRA. HL-60 cells were treated with vibsanine A, PMA and ATRA for 6 hours or longer up to 24 hours. Gene expression profiling was conducted

2016-02-28 | E-GEOD-78734 | biostudies-arrayexpress

OCI/AML2 ATRA AND VPA GENE EXPRESSION

Project description:Purpose: Treatment of acute promyelocytic leukemia (APL) with the retinoid, all trans retinoic acid (ATRA), along with standard chemotherapy has significantly improved survival compared to chemotherapy alone1. ATRA mediates its benefit in APL by overcoming the transcriptional block mediated by PML-RAR-alpha fusion oncoprotein, thereby, restoring expression of retinoid response genes2. The therapeutic benefits observed with ATRA treatment in APL have not been achieved in the other more common sub-types of acute myeloblastic leukemia (AML)3. This likely reflects the recruitment of histone deacetylase complexes by other recurrent chromosomal translocations in AML cells4. In this experiment, we evaluated if treatment of the AML cell line, OCI/AML-2, with the histone deacetylase inhibitor, valproic acid (VPA), would alter the expression of sub-sets of genes by itself or in conjunction with ATRA that have been shown to be modulated by ATRA in APL2. Keywords: other

2005-05-17 | GSE2668 | GEO

Retinoid induced differentiation of NB4 APL leukemic cells

Project description:We report the use of RNAseq to determine genomewide transcriptional changes induced by all-trans retinoic acid differentiation of NB4 acute promyelocytic leukemia (APL) cells.

2019-09-01 | GSE53259 | GEO

Genome-wide expression profiling of acute promyelocytic leukemia NB4 cells treated with all-trans-retinoic acid

Project description:Acute promyelocytic leukemia (APL) is a hematological disease characterized by a balanced reciprocal translocation that leads to the synthesis of the oncogenic fusion protein PML-RARα. APL is mainly managed by a differentiation therapy based on the administration of all-trans retinoic acid (ATRA) and arsenic trioxide (ATO). However, therapy resistance, differentiation syndrome, and relapses require the development of new low-toxicity therapies based on the induction of blasts differentiation. Here, we performed a high-throughput gene expression profile of the maturation inducible APL cell line NB4 untreated or exposed to ATRA.

2020-11-05 | GSE155779 | GEO

Gene expression profiling of ATRA-differentiated wild-type and TG2 knockout NB4 cells

Project description:Treatment of acute promyelocytic leukemia (APL) with all-trans-retinoic acid (ATRA) results in terminal differentiation of leukemic cells toward neutrophil granulocytes. Administration of ATRA leads to massive changes in gene expression, including down-regulation of cell proliferation-related genes and induction of genes involved in immune function. One of the most induced genes in APL NB4 cells is transglutaminase 2 (TG2). RNAi-mediated stable silencing of TG2 in NB4 cells (TG2-KD NB4) coupled with whole genome microarray analysis revealed that TG2 is involved in the expression of a large number of ATRA-regulated genes. The affected genes participate in granulocyte functions and their silencing lead to reduced adhesive, migratory and phagocytic capacity of neutrophils and less superoxide production. The expression of genes related to cell cycle control also changed, suggesting that TG2 regulates myeloid cell differentiation. CC chemokines CCL2, 3, 22, 24 and cytokines IL1B and IL8 involved in the development of differentiation syndrome (DS) are expressed at significantly lower levels in TG2-KD NB4 cells than in wild-type NB4 cells upon ATRA treatment. Based on our results, we propose that reduced expression of TG2 in differentiating APL cells may suppress effector functions of neutrophil granulocytes and attenuate the ATRA-induced inflammatory phenotype of DS.

2010-12-01 | GSE23702 | GEO

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