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

ABSTRACT: 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.

ORGANISM(S): Homo sapiens

PROVIDER: GSE78734 | GEO | 2016/02/28

SECONDARY ACCESSION(S): PRJNA313358

REPOSITORIES: GEO

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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

Proteome dynamics of HL-60, NB4, and K562 cells under the ATRA treatment

Project description:Searching for new strategies of acute myeloid leukemia (AML) treatment is of particular interest. Cell lines, e. g. HL-60 and NB4, represent model systems to study molecular features of leukemic cells. The all-trans-retinoic acid (ATRA) has proven itself to be an effective treatment for one of AML subtypes, i.e., acute promyelocytic leukemia (APL). At the same time, ATRA causes granulocytic differentiation of non-APL leukemic cells in vitro. Combination of new therapeutics with ATRA could improve efficiency of treatment. Studying the proteome perturbation in leukemic cells under the ATRA treatment allows to determine potential regulatory molecules that could be affected pharmacologically. Thus, the TMT-based proteomic profiles of HL-60, NB4, and K562 cell lines under the ATRA treatment were obtained at 0, 3, 12, 24, and 72 h after the ATRA treatment.

2024-06-23 | PXD050317 | Pride

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

CAMKK and CRAC channel regulate autophagy, differentiation and apoptosis in acute promylocytic leukemia cells treated by ATRA

Project description:ATRA is an active metabolite of vitamin A that is frequently used for the treatment of acute promyelocytic leukemia (APL) patients. Despite the success of this treatment, some APL patients are refractory or relapse. This emphasis the need for new therapeutic strategies aiming to improve the anti-cancer effect of ATRA. We and other have previously shown that autophagy is activated during ATRA-induced granulocytic differentiation of acute promyelocytic leukemia cells. Although the transcription effect of ATRA on autophagy has been well-documented, little is known on the post-transcription/ post-translational regulation autophagy in response to ATRA. Given the importance of calcium ions in the control of autophagy, we hypothesized that calcium ions are involved in the initiation of autophagy by ATRA in APL cells. We thus examined how ATRA regulate intracellular calcium and sense perturbation of Ca2+ responses to autophagy, differentiation and cell death in APL cells.

2021-11-24 | PXD026904 | Pride

Inhibition of the LSD1 (KDM1A) demethylase reactivates the all-trans-retinoic acid differentiation pathway in acute myeloid leukemia [Illumina HumanHT-12 gene expression array]

Project description:All-trans-retinoic acid (ATRA) has been successfully used in therapy of acute promyelocytic leukemia (APL), a cytogenetically distinct subtype of acute myeloid leukemia (AML) but the response of non-APL AML cases to ATRA-based treatment has been poor. Here we show that, via epigenetic reprogramming, inhibitors of LSD1/KDM1 demethylase including tranylcypromine (TCP) unlocked the ATRA-driven therapeutic response in non-APL AML. LSD1 inhibition did not lead to an increase in genome-wide H3 lysine4 dimethylation (H3K4me2) but did increase H3K4me2 and expression of myeloid differentiation-associated genes. Importantly, treatment with ATRA plus TCP dramatically diminished engraftment of primary human AML cells in vivo in NOD.SCID mice, suggesting that ATRA in combination with TCP may target leukemia-initiating cells. Furthermore, initiation of ATRA plus TCP co-treatment 15 days post-engraftment of human AML cells in NOD.SCID gamma mice also revealed the ATRA plus TCP drug combination to have a potent anti-leukemic effect, which was superior to treatment with either drug alone. These data identify LSD1 as a therapeutic target and strongly suggest that it may contribute to AML pathogenesis by inhibiting the normal pro-differentiative function of ATRA, paving the way for novel combinatorial therapies of AML. Overall, 30 specimens derived from HL-60 or TEX cell line were treated with drugs and hybridized to Illumina HumanHT-12 gene expression arrays.

2012-03-14 | E-GEOD-34672 | biostudies-arrayexpress

Expression profiling of NB4 cells after treatment with ATRA

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

2009-10-06 | GSE18397 | GEO

Inhibition of the LSD1 (KDM1A) demethylase reactivates the all-trans-retinoic acid differentiation pathway in acute myeloid leukemia [ChIP-Seq]

Project description:All-trans-retinoic acid (ATRA) has been successfully used in therapy of acute promyelocytic leukemia (APL), a cytogenetically distinct subtype of acute myeloid leukemia (AML) but the response of non-APL AML cases to ATRA-based treatment has been poor. Here we show that, via epigenetic reprogramming, inhibitors of LSD1/KDM1 demethylase including tranylcypromine (TCP) unlocked the ATRA-driven therapeutic response in non-APL AML. LSD1 inhibition did not lead to an increase in genome-wide H3 lysine4 dimethylation (H3K4me2) but did increase H3K4me2 and expression of myeloid differentiation-associated genes. Importantly, treatment with ATRA plus TCP dramatically diminished engraftment of primary human AML cells in vivo in NOD.SCID mice, suggesting that ATRA in combination with TCP may target leukemia-initiating cells. Furthermore, initiation of ATRA plus TCP co-treatment 15 days post-engraftment of human AML cells in NOD.SCID gamma mice also revealed the ATRA plus TCP drug combination to have a potent anti-leukemic effect, which was superior to treatment with either drug alone. These data identify LSD1 as a therapeutic target and strongly suggest that it may contribute to AML pathogenesis by inhibiting the normal pro-differentiative function of ATRA, paving the way for novel combinatorial therapies of AML. ChIP-seq was used to study the effects of ATRA, TCP and ATRA/TCP treatment on H3K4 dimethylation. In addition to the three treatment samples, two reference samples were processed: (i) An untreated sample using the same anti-H3K4me2 antibody and an untreated sample using IgG. These five sequencing experiments were conducted using HL-60 cells and TEX cells, leading to 10 ChIP-seq samples in total.

2012-03-14 | E-GEOD-34725 | biostudies-arrayexpress

Inhibition of the LSD1 (KDM1A) demethylase reactivates the all-trans-retinoic acid differentiation pathway in acute myeloid leukemia [ChIP-Seq]

2012-03-14 | GSE34725 | GEO

Inhibition of the LSD1 (KDM1A) demethylase reactivates the all-trans-retinoic acid differentiation pathway in acute myeloid leukemia [Illumina HumanHT-12 gene expression array]

2012-03-14 | GSE34672 | GEO

Gene Expression-Based High Throughput Screening: HL-60 Cells Treated with ATRA and PMA

Project description:We developed a general approach to small molecule library screening called GE-HTS (Gene Expression-Based High Throughput Screening) in which a gene expression signature is used as a surrogate for cellular states and applied it to the identification of compounds inducing the differentiation of acute myeloid leukemia cells. In screening 1,739 compounds, we identified 8 that reliably induced the differentiation signature, and furthermore yielded functional evidence of bona fide differentiation. This data set contains HL-60 cells treated in a time course, in replicate, with 1 uM all trans retinoic acid (ATRA) and 10 nM phorbol 12-myristate 13-acetate (PMA). Also included are untreated HL-60 controls. This data set was used to select marker genes that distinguish the undifferentiated from the PMA or ATRA differentiated states. Keywords = AML Keywords = leukemia Keywords = HL-60 Keywords = chemical genomics Keywords: repeat sample

2004-01-30 | GSE985 | GEO

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