Evidence map›Paper›PMID 25486109›Full record

ArticleMarine drugs2014

Chromomycin A2 induces autophagy in melanoma cells.

Larissa Alves Guimarães, Paula Christine Jimenez, Thiciana da Silva Sousa, Hozana Patrícia S Freitas, Danilo Damasceno Rocha, Diego Veras Wilke, Jesús Martín, Fernando Reyes, Otília Deusdênia Loiola Pessoa, Letícia Veras Costa-Lotufo

Open access · goldAbstract read
In one paragraph

Article in Marine drugs, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
0.6field-weighted citation impact, top 29% 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

14 citing papers in PubMed, 23 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Natural Products from Singapore Soil-DerivedMolecules (Basel, Switzerland) · 2023
    Article
  5. Chromomycin AFrontiers in immunology · 2022
    Article
  6. Article
  7. Review
  8. Article
  9. Review
  10. Chromomycin AThe Journal of general physiology · 2018
    Article
  11. Article
  12. Review
  13. Article
  14. Review
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

10 authors at 2 institutions in 2 countries.

Larissa Alves GuimarãesMarine Sciences Institute, Federal University of Ceara, Fortaleza, Ceara 60165-081, Brazil. larissaalvesgui@gmail.com.
Paula Christine JimenezMarine Sciences Institute, Federal University of Ceara, Fortaleza, Ceara 60165-081, Brazil. paulacjimenez@gmail.com.
Thiciana da Silva SousaDepartment of Organic and Inorganic Chemistry, Federal University of Ceara, Fortaleza, CE 60021-970, Brazil. thicy85@yahoo.com.br.
Hozana Patrícia S FreitasDepartment of Organic and Inorganic Chemistry, Federal University of Ceara, Fortaleza, CE 60021-970, Brazil. hpatriciasf@yahoo.com.br.
Danilo Damasceno RochaDepartment of Physiology and Pharmacology, Federal University of Ceara, Fortaleza, Ceará 60430-270, Brazil. danilodrocha@yahoo.com.br.
Diego Veras WilkeMarine Sciences Institute, Federal University of Ceara, Fortaleza, Ceara 60165-081, Brazil. diegowilke@gmail.com.
Jesús MartínFundación MEDINA, Centro de Excelencia en Investigación de Medicamentos Innovadores en Andalucía, Granada 18016, Spain. jesus.martin@medinaandalucia.es.
Fernando ReyesFundación MEDINA, Centro de Excelencia en Investigación de Medicamentos Innovadores en Andalucía, Granada 18016, Spain. fernando.reyes@medinaandalucia.es.
Otília Deusdênia Loiola PessoaDepartment of Organic and Inorganic Chemistry, Federal University of Ceara, Fortaleza, CE 60021-970, Brazil. opessoa@ufc.br.
Letícia Veras Costa-LotufoMarine Sciences Institute, Federal University of Ceara, Fortaleza, Ceara 60165-081, Brazil. costalotufo@gmail.com.
Universidade Federal do Ceará · BRFundación Medina · ES

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The present study highlights the biological effects of chromomycin A2 toward metastatic melanoma cells in culture. Besides chromomycin A2, chromomycin A3 and demethylchromomycin A2 were also identified from the extract derived from Streptomyces sp., recovered from Paracuru Beach, located in the northeast region of Brazil. The cytotoxic activity of chromomycin A2 was evaluated across a panel of human tumor cell lines, which found IC50 values in the nM-range for exposures of 48 and 72 h. MALME-3M, a metastatic melanoma cell line, showed the highest sensitivity to chromomycin A2 after 48h incubation, and was chosen as a model to investigate this potent cytotoxic effect. Treatment with chromomycin A2 at 30 nM reduced cell proliferation, but had no significant effect upon cell viability. Additionally, chromomycin A2 induced accumulation of cells in G0/G1 phase of the cell cycle, with consequent reduction of S and G2/M and unbalanced expression of cyclins. Chromomycin A2 treated cells depicted several cellular fragments resembling autophagosomes and increased expression of proteins LC3-A and LC3-B. Moreover, exposure to chromomycin A2 also induced the appearance of acidic vacuolar organelles in treated cells. These features combined are suggestive of the induction of autophagy promoted by chromomycin A2, a feature not previously described for chromomycins.

Indexed as

AutophagyBrazilCell CycleCell Line, TumorCell ProliferationCell SurvivalChromomycin A3ChromomycinsHCT116 CellsHL-60 CellsHumansMelanomaMicrotubule-Associated ProteinsPlicamycinStreptomyceschromomycin A2Chromomycin A3Chromomycinsdemethylchromomycin A2MAP1LC3A protein, humanMAP1LC3B protein, humanMicrotubule-Associated ProteinsPlicamycin

Identifiers

PMID25486109
PMCPMC4278204
OpenAlexW2009544815

What OpenQuestion holds

Textmetadata
LicenceCC BY
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 OpenQuestion graph.