ChloroquineV1, Main, Exploration, bibRecord, 001463

The Traditional Medicine Spilanthes acmella, and the Alkylamides Spilanthol and Undeca-2E-ene-8,10-diynoic Acid Isobutylamide, Demonstrate In Vitro and In Vivo Antimalarial Activity

Identifieur interne : 001463 ( Main/Exploration ); précédent : 001462; suivant : 001464

The Traditional Medicine Spilanthes acmella, and the Alkylamides Spilanthol and Undeca-2E-ene-8,10-diynoic Acid Isobutylamide, Demonstrate In Vitro and In Vivo Antimalarial Activity

Auteurs : Kevin Spelman [États-Unis] ; Delphine Depoix [France] ; Megan Mccray [États-Unis] ; Elisabeth Mouray [France] ; Philippe Grellier [France]

Source :

Phytotherapy Research [ 0951-418X ] ; 2011.

RBID : Hal:mnhn-02070067

English descriptors

mix :
- Plasmodium falciparum, alkylamides, deca-2E 6Z 8E-trienoic acid isobutylamide, malaria, phytotherapy, traditional medicine.

Abstract

Spilanthes spp. are used as traditional herbal medicines in Africa and India to treat malaria. Yet, to date, there is no data on active constituents or most effective extraction methods for this indication. The isolated alkylamides, spilanthol and undeca-2E-ene-8,10-diynoic acid isobutylamide, found in S. acmella Murr., were shown to have IC50s of 16.5 μg/mL and 41.4 μg/ mL on Plasmodium falciparum strain PFB and IC50s of 5.8 μg/mL and 16.3 μg/mL for the chloroquine resistant P. falciparum K1 strain, respectively. Further investigations revealed that at relatively low concentrations, spilanthol and the water extract of S. acmella reduced the parasitemia 59% and 53% in mice infected with P. yoelii yoelii 17XNL at 5 mg/kg and 50 mg/kg, respectively. Unexpectedly, the 95% ethanol extract of S. acmella was less effective (36% reduction in parasitemia) at 50 mg/kg. These results provide the first evidence supporting S. acmella against malaria and demonstrating active constituents in S. acmella against P. falciparum.

Url:

https://hal-mnhn.archives-ouvertes.fr/mnhn-02070067

DOI: 10.1002/ptr.3395

Affiliations:

France, États-Unis

Links toward previous steps (curation, corpus...)

to stream Hal, to step Corpus: 000235
to stream Hal, to step Curation: 000235
to stream Hal, to step Checkpoint: 000171
to stream Main, to step Merge: 001465
to stream Main, to step Curation: 001463

Le document en format XML

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<front><div type="abstract" xml:lang="en">              <p>Spilanthes spp. are used as traditional herbal medicines in Africa and India to treat malaria. Yet, to date, there is no data on active constituents or most effective extraction methods for this indication. The isolated alkylamides, spilanthol and undeca-2E-ene-8,10-diynoic acid isobutylamide, found in S. acmella Murr., were shown to have IC50s of 16.5 μg/mL and 41.4 μg/ mL on Plasmodium falciparum strain PFB and IC50s of 5.8 μg/mL and 16.3 μg/mL for the chloroquine resistant P. falciparum K1 strain, respectively. Further investigations revealed that at relatively low concentrations, spilanthol and the water extract of S. acmella reduced the parasitemia 59% and 53% in mice infected with P. yoelii yoelii 17XNL at 5 mg/kg and 50 mg/kg, respectively. Unexpectedly, the 95% ethanol extract of S. acmella was less effective (36% reduction in parasitemia) at 50 mg/kg. These results provide the first evidence supporting S. acmella against malaria and demonstrating active constituents in S. acmella against P. falciparum.</p>
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The Traditional Medicine Spilanthes acmella, and the Alkylamides Spilanthol and Undeca-2E-ene-8,10-diynoic Acid Isobutylamide, Demonstrate In Vitro and In Vivo Antimalarial Activity

The Traditional Medicine Spilanthes acmella, and the Alkylamides Spilanthol and Undeca-2E-ene-8,10-diynoic Acid Isobutylamide, Demonstrate In Vitro and In Vivo Antimalarial Activity

Source :

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri