Evidence map›Paper›PMID 32056089›Full record

ArticleJournal of molecular neuroscience : MN2020

HDAC and MAPK/ERK Inhibitors Cooperate To Reduce Viability and Stemness in Medulloblastoma.

Mariane da Cunha Jaeger, Eduarda Chiesa Ghisleni, Paula Schoproni Cardoso, Marialva Siniglaglia, Tiago Falcon, André T Brunetto, Algemir L Brunetto, Caroline Brunetto de Farias, Michael D Taylor, Carolina Nör and 2 more

Abstract read
PubMed Publisher
In one paragraph

Article in Journal of molecular neuroscience : MN, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
1.8field-weighted citation impact, top 14% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

21 citing papers in PubMed, 35 citations in OpenAlex.

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  11. EHMT2/G9a as an Epigenetic Target in Pediatric and Adult Brain Tumors.International journal of molecular sciences · 2021
    Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors at 3 institutions in 2 countries.

Mariane da Cunha JaegerCancer and Neurobiology Laboratory, Experimental Research Center, Clinical Hospital (CPE-HCPA), Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil.
Eduarda Chiesa GhisleniCancer and Neurobiology Laboratory, Experimental Research Center, Clinical Hospital (CPE-HCPA), Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil.
Paula Schoproni CardosoCancer and Neurobiology Laboratory, Experimental Research Center, Clinical Hospital (CPE-HCPA), Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil.
Marialva SiniglagliaCancer and Neurobiology Laboratory, Experimental Research Center, Clinical Hospital (CPE-HCPA), Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil.
Tiago FalconBioinformatics Core, Experimental Research Center, Clinical Hospital (CPE-HCPA), Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil.
André T BrunettoCancer and Neurobiology Laboratory, Experimental Research Center, Clinical Hospital (CPE-HCPA), Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil.
Algemir L BrunettoCancer and Neurobiology Laboratory, Experimental Research Center, Clinical Hospital (CPE-HCPA), Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil.
Caroline Brunetto de FariasCancer and Neurobiology Laboratory, Experimental Research Center, Clinical Hospital (CPE-HCPA), Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil.
Michael D TaylorThe Arthur and Sonia Labatt Brain Tumour Research Centre, The Hospital for Sick Children, Toronto, ON, Canada.
Carolina NörThe Arthur and Sonia Labatt Brain Tumour Research Centre, The Hospital for Sick Children, Toronto, ON, Canada.
Vijay RamaswamyThe Arthur and Sonia Labatt Brain Tumour Research Centre, The Hospital for Sick Children, Toronto, ON, Canada.
Rafael RoeslerCancer and Neurobiology Laboratory, Experimental Research Center, Clinical Hospital (CPE-HCPA), Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil. rafaelroesler@hcpa.edu.br.ORCID http://orcid.org/0000-0001-6016-2261
Universidade Federal do Rio Grande do Sul · BRHospital for Sick Children · CAUniversity of Toronto · CA

Funding

National Council for Scientific and Technological Development (CNPq) 201001/2014-4National Council for Scientific and Technological Development (CNPq) 303276/2013-4National Council for Scientific and Technological Development (CNPq) 409287/2016-4Programa Nacional de Pós-Doutorado (PNPD, CAPES/HCPA) 88887.160608/2017-00PRONON/Ministry of Health, Brazil 25000.162.034/2014-21Rio Grande do Sul State Research Foundation (FAPERGS) 17/2551-0001
6 · The paper itself

Abstract

Medulloblastoma (MB), which originates from embryonic neural stem cells (NSCs) or neural precursors in the developing cerebellum, is the most common malignant brain tumor of childhood. Recurrent and metastatic disease is the principal cause of death and may be related to resistance within cancer stem cells (CSCs). Chromatin state is involved in maintaining signaling pathways related to stemness, and inhibition of histone deacetylase enzymes (HDAC) has emerged as an experimental therapeutic strategy to target this cell population. Here, we observed antitumor actions and changes in stemness induced by HDAC inhibition in MB. Analyses of tumor samples from patients with MB showed that the stemness markers BMI1 and CD133 are expressed in all molecular subgroups of MB. The HDAC inhibitor (HDACi) NaB reduced cell viability and expression of BMI1 and CD133 and increased acetylation in human MB cells. Enrichment analysis of genes associated with CD133 or BMI1 expression showed mitogen-activated protein kinase (MAPK)/ERK signaling as the most enriched processes in MB tumors. MAPK/ERK inhibition reduced expression of the stemness markers, hindered MB neurosphere formation, and its antiproliferative effect was enhanced by combination with NaB. These results suggest that combining HDAC and MAPK/ERK inhibitors may be a novel and more effective approach in reducing MB proliferation when compared to single-drug treatments, through modulation of the stemness phenotype of MB cells.

Indexed as

AC133 AntigenAntineoplastic AgentsCell Line, TumorCell ProliferationHistone Deacetylase InhibitorsHumansMedulloblastomaMitogen-Activated Protein KinasesNeoplastic Stem CellsPolycomb Repressive Complex 1Protein Kinase InhibitorsTumor Cells, CulturedAC133 AntigenAntineoplastic AgentsBMI1 protein, humanHistone Deacetylase InhibitorsMitogen-Activated Protein KinasesPolycomb Repressive Complex 1PROM1 protein, humanProtein Kinase InhibitorsBrain tumorExtracellular-regulated kinaseHistone deacetylaseMedulloblastomaStem cells

Identifiers

PMID32056089
OpenAlexW3005547754

What Socratic holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.