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  • Title: Pharmacological justification of use of Solena heterophylla Lour. in gastrointestinal, respiratory and vascular disorders.
    Author: Janbaz KH, Akhtar T, Saqib F, Imran I, Zia-Ul-Haq M, Jansakul C, De Feo V, Moga M.
    Journal: J Transl Med; 2015 Apr 30; 13():134. PubMed ID: 25925396.
    Abstract:
    BACKGROUND: Solena heterophylla Lour. has traditionally been used in the management of diseases pertaining to gastrointestinal, respiratory and vascular system and present study was undertaken to validate its traditional uses. METHODS: The aqueous ethanolic extract of Solena heterophylla Lour (Sh.Cr) was tested in-vitro on isolated rabbit jejunum, tracheal and aorta preparations. The responses of tissues were recorded using isotonic transducers coupled with PowerLab data acquisition system. RESULTS: The aqueous ethanolic extract of Solena heterophylla Lour (Sh.Cr) (0.03-1.0 mg/ml) on application to spontaneous contractions in isolated rabbit jejunum preparation exerted relaxant effect through decrease in magnitude and frequency of contractions, caused relaxation of K(+)(80 mM)-induced contractions and shifted the Ca(2+) concentration response curves toward right in isolated rabbit jejunum preparations in a manner similar to verapamil (a standard Ca(2+) channel blocker), thus confirming its Ca(2+) channel blocking activity. The Sh.Cr also caused relaxation of carbachol (1 μM)- and K(+)(80 mM)-induced contractions in isolated rabbit tracheal preparations in a manner comparable to dicyclomine. CONCLUSIONS: The observed relaxant effect may be outcome of anti-muscarinic and Ca(2+) channel blocking activities. The Sh.Cr (0.03-1.0 mg/ml) against phenyephrine (1 μM)- and K(+)(80 mM)-induced contractions in isolated rabbit aortic preparations exerted a relaxant effect, possibly through Ca(2+) channel blocking activity. These findings provide a rationale for the folkloric uses of the plant in the management of ailments pertaining to gastrointestinal, respiratory and vascular system.
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