Evidence map›Paper›PMID 27071342›Full record

ArticleScientific reports2016

Marine organism sulfated polysaccharides exhibiting significant antimalarial activity and inhibition of red blood cell invasion by Plasmodium.

Joana Marques, Eduardo Vilanova, Paulo A S Mourão, Xavier Fernàndez-Busquets

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed
3.7field-weighted citation impact, top 7% 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

25 citing papers in PubMed, 66 citations in OpenAlex.

  1. ACS omega · 2025
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  7. Effects of Sulfamethoxazole on Fertilization and Embryo Development in theAnimals : an open access journal from MDPI · 2022
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  10. Promising antiparasitic agents from marine sponges.Saudi journal of biological sciences · 2022
    Review
  11. Article
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  13. Review
  14. Life (Basel, Switzerland) · 2021
    Article
  15. Unveiling the Sugary Secrets ofFrontiers in microbiology · 2021
    Review
  16. Article
  17. Review
  18. Article
  19. Applicability of drug response metrics for cancer studies using biomaterials.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2019
    Article
  20. 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

4 authors at 3 institutions in 2 countries.

Joana MarquesNanomalaria Group, Institute for Bioengineering of Catalonia (IBEC), Barcelona, Spain.
Eduardo VilanovaHospital Universitário Clementino Fraga Filho and Instituto de Bioquímica Médica, Universidade Federal do Rio de Janeiro, Brazil.
Paulo A S MourãoHospital Universitário Clementino Fraga Filho and Instituto de Bioquímica Médica, Universidade Federal do Rio de Janeiro, Brazil.
Xavier Fernàndez-BusquetsNanomalaria Group, Institute for Bioengineering of Catalonia (IBEC), Barcelona, Spain.
Hospital Universitário Clementino Fraga Filho · BRBarcelona Institute for Global Health · ESUniversitat de Barcelona · ES

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The antimalarial activity of heparin, against which there are no resistances known, has not been therapeutically exploited due to its potent anticoagulating activity. Here, we have explored the antiplasmodial capacity of heparin-like sulfated polysaccharides from the sea cucumbers Ludwigothurea grisea and Isostichopus badionotus, from the red alga Botryocladia occidentalis, and from the marine sponge Desmapsamma anchorata. In vitro experiments demonstrated for most compounds significant inhibition of Plasmodium falciparum growth at low-anticoagulant concentrations. This activity was found to operate through inhibition of erythrocyte invasion by Plasmodium, likely mediated by a coating of the parasite similar to that observed for heparin. In vivo four-day suppressive tests showed that several of the sulfated polysaccharides improved the survival of Plasmodium yoelii-infected mice. In one animal treated with I. badionotus fucan parasitemia was reduced from 10.4% to undetectable levels, and Western blot analysis revealed the presence of antibodies against P. yoelii antigens in its plasma. The retarded invasion mediated by sulfated polysaccharides, and the ensuing prolonged exposure of Plasmodium to the immune system, can be explored for the design of new therapeutic approaches against malaria where heparin-related polysaccharides of low anticoagulating activity could play a dual role as drugs and as potentiators of immune responses.

Indexed as

AnimalsAntimalarialsCarbohydrate SequenceCells, CulturedErythrocytesHumansMicePlasmodium falciparumPlasmodium yoeliiPolysaccharidesRhodophytaSulfatesAntimalarialsPolysaccharidesSulfates

Identifiers

PMID27071342
PMCPMC4829872
OpenAlexW2336021370

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.