Evidence map›Paper›PMID 23669634›Full record

ArticleMolecules (Basel, Switzerland)2013

Synthesis of a new ent-cyclozonarone angular analog, and comparison of its cytotoxicity and apoptotic effects with ent-cyclozonarone.

Natalia Quiñones Sobarzo, Iván Montenegro Venegas, Cristian Salas Sánchez, Luis Espinoza Catalán, Cristóbal Carrasco Rojas, Valentina Ulloa Valdivia, Joan Villena García, Mauricio Cuellar Fritis

Abstract readComparative Study
In one paragraph

Article in Molecules (Basel, Switzerland), 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
–field-weighted citation impact
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

2 citing papers in PubMed.

  1. Review
  2. Article
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

8 authors.

Natalia Quiñones SobarzoFacultad de Farmacia, Universidad de Valparaíso, Av. Gran Bretaña N° 1093, Valparaíso, Chile.
Iván Montenegro Venegas
Cristian Salas Sánchez
Luis Espinoza Catalán
Cristóbal Carrasco Rojas
Valentina Ulloa Valdivia
Joan Villena García
Mauricio Cuellar Fritis

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The synthesis of a newangular analog 11 of cyclozonarone was achieved via Diels-Alder reaction between a sesquiterpene-1,3-diene and 1,4-benzoquinone. The cytotoxic activity of ent-cyclozonarone [(+)-10] and the angular (-)-cyclozonarone analog 11 has been determined in three human cancer cell lines and in normal fibroblasts using the sulforhodamine B assay. The analyzed isomers induce cell death in different cancer cell lines by eliciting nuclear condensation and fragmentation, decreasing mitochondrial membrane permeability and increasing caspase-3 activity, all traits indicating apoptosis, with the effects of (+)-10 being stronger than those of 11 in all cases.

Indexed as

CytotoxinsSesquiterpenesApoptosisCaspase 3Cell Line, TumorCell NucleusFibroblastsHumansCASP3 protein, humanCaspase 3cyclozonaroneCytotoxinsSesquiterpenes

Identifiers

PMID23669634
PMCPMC6270499

What OpenQuestion holds

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Registered trials

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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.