LC-MS Fingerprinting Development for Standardized Precipitate from , Which Induces Antihypertensive Effect Through NO Production and Calcium Channel Blockade

Overview

Journal Pharmaceutics

Publisher MDPI

Date 2023 Sep 28

PMID 37765314

Authors

Karla Catalina Cruz-Torres

Samuel Estrada-Soto

Luis Arias-Duran

Gabriel Navarrete-Vazquez

Julio Cesar Almanza-Perez

Beatriz Mora-Ramiro

Irene Perea-Arango

Emanuel Hernandez-Nunez

Rafael Villalobos-Molina

Gabriela Carmona-Castro

Irma-Martha Medina-Diaz

Gabriela Avila-Villarreal

Affiliations

Soon will be listed here.

Abstract

The aim of this work was to evaluate the vasorelaxant and antihypertensive effects of a standardized precipitate of the hydroalcoholic extract from (PP), comprising ursolic acid, oleanolic acid, acacetin, luteolin and tilianin, among others. In the ex vivo experiments, preincubation with L-NAME (nonspecific inhibitor of nitric oxide synthases) reduced the relaxation induced by PP; nevertheless, preincubation with indomethacin (nonspecific inhibitor of cyclooxygenases) did not generate any change in the vasorelaxation, and an opposed effect was observed to the contraction generated by CaCl addition. Oral administration of 100 mg/kg of PP induced a significant acute decrease in diastolic (DBP) and systolic (SBP) blood pressure in spontaneously hypertensive rats, without changes in heart rate. Additionally, PP showed a sustained antihypertensive subacute effect on both DBP and SBP for 10 days compared to the control group. On the other hand, human umbilical vein cells treated with 10 µg/mL of PP showed a significant reduction ( < 0.05) in intracellular adhesion molecule-1, compared to the control, but not on vascular cell adhesion molecule-1. In conclusion, PP induces a significant antihypertensive effect in acute- and subacute-period treatments, due to its direct vasorelaxant action on rat aortic rings through NO production and Ca channel blockade.

Citing Articles

Tilianin content and morphological characterization of colchicine-induced autotetraploids in .

Martinez-Aguilar A, Villanueva Sanchez E, Valencia-Diaz S, Estrada-Soto S, Napsucialy-Mendivil S, Barba-Gonzalez R PeerJ. 2024; 12:e18545.

PMID: 39588001 PMC: 11587875. DOI: 10.7717/peerj.18545.

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