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Vasorelaxation to Eugenol, Curcumin and Nanocurcumin mediated by differential augmentation of Na+, K+-ATPase activity in middle uterine artery of Capra hircus

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Title Vasorelaxation to Eugenol, Curcumin and Nanocurcumin mediated by differential augmentation of Na+, K+-ATPase activity in middle uterine artery of Capra hircus
 
Creator Jandhyam, H
Mohanty, B P
Parija, S C
 
Subject Curcumin
Eugenol
Goat uterine artery
Na+
K+-ATPase
Nanocurcumin
 
Description 59-67
Sodium-potassium ATPase (Na, K-ATPase) is an integral protein universally distributed in the plasma membrane of all eukaryotic cells. It regulates trans-epithelial sodium ion transport, muscle contraction, nerve excitability, secretary functions and intracellular signaling. We investigated the mechanism of vasorelaxation effect of Eugenol, Curcumin and Nanocurcumin in the middle uterine artery (MUA) of goat to evaluate their possible therapeutic potential in hypertension during pregnancy or pre-eclampsia. The UA rings were isometrically contracted by K+-free MKHS to plateau and relaxed with KCl (10 μM-10 mM) following standard protocol. The K+ -vasorelaxation response (VR) was taken either in presence of ouabain with or without Eugenol/Curcumin/Nanocurcumin (10 μM). Rmax (maximum % vasorelaxation) of K+-induced VR-curve elicited in UA rings was reduced (from 6.90% and 26.55%) to 4-5% in presence of Ouabain in both NP and P goats. Rmax obtained from KVR curve elicited in UA rings were augmented in presence of Eugenol (NP: 16.22%, P: 42.67%) or Curcumin (NP:21.23%, P:35.49%) or Nanocurcumin (NP:6.91%, P:34.88%). K+ vasorelaxation was inhibited in presence of Ouabain and Eugenol/ Curcumin/Nanocurcumin (Rmax: 6.11%, 9.18%, 4.11% in non-P, respectively) and (Rmax: 5.40%, 3.39%, 6.00% in P, respectively). The results indicated that (i) there is increased function of α1- Na+, K+-ATPase in UA of P goats (ii) Eugenol, Curcumin and Nano-curcumin differentially augmented the function and expression of α1 isoenzymes of sodium pump in UA of non-P and P goats. Thus, the polyphenols potentially activate α1 isoenzymes of Na+-K+-ATPase and could possibly be useful as therapeutic in hypertension during pregnancy.
 
Date 2021-02-24T07:46:25Z
2021-02-24T07:46:25Z
2021-01
 
Type Article
 
Identifier 0975-1068 (Online); 0972-5938 (Print)
http://nopr.niscair.res.in/handle/123456789/56302
 
Language en_US
 
Relation Int. Cl.21: C08F2/46, A61K31/192, A61K31/12
 
Rights CC Attribution-Noncommercial-No Derivative Works 2.5 India
 
Publisher NISCAIR-CSIR, India
 
Source IJTK Vol.20(1) [January 2021]