scholarly journals Direct Cardiotonic Action of Quercetin, a Plant Flavonoid, through Mechanism Independent of its Anti-Oxidative Action

2015 ◽  
Vol 108 (2) ◽  
pp. 292a
Author(s):  
Kengo Hayamizu ◽  
Miki Nonaka ◽  
Toshihiro Noma ◽  
Toshiyuki Sasaguri ◽  
Sachio Morimoto
Keyword(s):  
Cardiotonic Action

scholarly journals CARDIOTONIC ACTION OF TWO TANNINS

1962 ◽  
Vol 18 (1) ◽  
pp. 167-174 ◽  
Author(s):  
J. L. BROADBENT ◽  
K. BOWDEN
Keyword(s):  
Cardiotonic Action

scholarly journals EVALUATION OF CARDIOTONIC ACTION OF ETHANOL EXTRACT OF LAGENARIA SICERARIA PULP ON FROG’S HEART

2014 ◽  
Vol 5 (6) ◽  
pp. 481-484
Author(s):  
Jayasree Tirumalasetti ◽  
K Harini ◽  
Vinay K Kumar ◽  
Rambabu Kondreddy ◽  
J Shankar
Keyword(s):  
Ethanol Extract ◽  
Lagenaria Siceraria ◽  
Cardiotonic Action

CARDIOTONIC ACTIVITY OF CERTAIN STEROIDS AND BILE SALTS

1952 ◽  
Vol 30 (4) ◽  
pp. 325-332 ◽  
Author(s):  
J. S. Loynes ◽  
C. W. Gowdey
Keyword(s):  
Heart Rate ◽  
Steroid Hormones ◽  
Coronary Flow ◽  
Bile Salts ◽  
Lactone Ring ◽  
Water Soluble ◽  
Force Of Contraction ◽  
Cardiotonic Activity ◽  
Cardiotonic Action ◽  
Significant Augmentation

The effects of 23 plant and animal steroids, steroid hormones, and bile acids, and nine of their salts or soluble conjugates, have been investigated in isolated frog hearts. All but five of the compounds produced significant augmentation of frog hearts made hypodynamic by prolonged perfusion. The augmentation was not usually accompanied by changes in heart rate, and no steroid caused systolic arrest. Eight water-soluble steroid salts were perfused through isolated rabbit hearts when they had become hypodynamic by prolonged perfusion. In each case the coronary flow increased significantly whether the heart rate and force of contraction increased or not. Thus, when cardiotonic activity was observed, it appeared to be a direct effect and not secondary to the increased coronary flow. It would seem that the lactone ring of the cardiac glycoside molecule is responsible for the development of systolic arrest, and that the cardiotonic action is, at least partly, a function of the cyclopentenophenanthrene nucleus.

scholarly journals The mode of cardiotonic action of ciguatoxin on atrial muscle

1987 ◽  
Vol 43 ◽  
pp. 173
Author(s):  
Asami Seino ◽  
Kazutaka Momose ◽  
Takeshi Yasumoto ◽  
Masaki Kobayashi ◽  
Yasushi Ohizumi
Keyword(s):  
Atrial Muscle ◽  
Cardiotonic Action

The cardiotonic action of EMD 53 998 involves cyclic AMP-specific phosphorylation (PHOS) of troponin I (TNI) and phospholamban (PLB)

1992 ◽  
Vol 24 ◽  
pp. S39
Author(s):  
Peter Karczewski ◽  
Ernst-Georg Krause ◽  
Sabine Bartel ◽  
Inge Lues ◽  
Michael Klockow
Keyword(s):  
Cyclic Amp ◽  
Troponin I ◽  
Cardiotonic Action

scholarly journals Calcium Ions and the Cardiotonic Action of Glucagon

1972 ◽  
Vol 69 (2) ◽  
pp. 463-465 ◽  
Author(s):  
M. B. Visscher ◽  
Y. C. P. Lee
Keyword(s):  
Calcium Ions ◽  
Cardiotonic Action
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