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Relaxant effects of a hydroalcoholic extract of Ruta graveolens on isolated rat tracheal rings

Overview of attention for article published in Biological Research, June 2015
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Title
Relaxant effects of a hydroalcoholic extract of Ruta graveolens on isolated rat tracheal rings
Published in
Biological Research, June 2015
DOI 10.1186/s40659-015-0017-8
Pubmed ID
Authors

Luis Águila, Jenny Ruedlinger, Karina Mansilla, José Ordenes, Raúl Salvatici, Rui Ribeiro de Campos, Fernando Romero

Abstract

Ruta graveolens L. (R. graveolens) is a medicinal plant employed in non-traditional medicines that has various therapeutic properties, including anthelmintic, and vasodilatory actions, among others. We evaluated the trachea-relaxant effects of hydroalcoholic extract of R. graveolens against potassium chloride (KCl)- and carbachol-induced contraction of rat tracheal rings in an isolated organ bath. The results showed that the airway smooth muscle contraction induced by the depolarizing agent (KCl) and cholinergic agonist (carbachol) was markedly reduced by R. graveolens in a concentration-dependent manner, with maximum values of 109 ± 7.9 % and 118 ± 2.6 %, respectively (changes in tension expressed as positive percentages of change in proportion to maximum contraction), at the concentration of 45 μg/mL (half-maximal inhibitory concentration IC50: 35.5 μg/mL and 27.8 μg/mL for KCl- and carbachol-induced contraction, respectively). Additionally, the presence of R. graveolens produced rightward parallel displacement of carbachol dose-response curves and reduced over 35 % of the maximum smooth muscle contraction. The hydroalcoholic extract of R. graveolens exhibited relaxant activity on rat tracheal rings. The results suggest that the trachea-relaxant effect is mediated by a non-competitive antagonistic mechanism. More detailed studies are needed to identify the target of the inhibition, and to determine more precisely the pharmacological mechanisms involved in the observed biological effects.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 34 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 34 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 9 26%
Student > Postgraduate 5 15%
Student > Bachelor 4 12%
Student > Ph. D. Student 2 6%
Researcher 2 6%
Other 2 6%
Unknown 10 29%
Readers by discipline Count As %
Pharmacology, Toxicology and Pharmaceutical Science 7 21%
Medicine and Dentistry 6 18%
Biochemistry, Genetics and Molecular Biology 3 9%
Chemistry 2 6%
Unspecified 1 3%
Other 4 12%
Unknown 11 32%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 12 June 2015.
All research outputs
#20,656,161
of 25,373,627 outputs
Outputs from Biological Research
#527
of 642 outputs
Outputs of similar age
#206,205
of 280,810 outputs
Outputs of similar age from Biological Research
#5
of 11 outputs
Altmetric has tracked 25,373,627 research outputs across all sources so far. This one is in the 10th percentile – i.e., 10% of other outputs scored the same or lower than it.
So far Altmetric has tracked 642 research outputs from this source. They receive a mean Attention Score of 3.3. This one is in the 6th percentile – i.e., 6% of its peers scored the same or lower than it.
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We're also able to compare this research output to 11 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.