Deoxycorticosterone Acetate Plus Salt Induces Overexpression of Vascular Endothelin-1 and Severe Vascular Hypertrophy in Spontaneously Hypertensive Rats

Hypertension ◽  
1995 ◽  
Vol 25 (4) ◽  
pp. 769-773 ◽  
Author(s):  
Ernesto L. Schiffrin ◽  
Richard Larivière ◽  
Jin S. Li ◽  
Pavol Sventek ◽  
Rhian M. Touyz
Keyword(s):  
Spontaneously Hypertensive Rats ◽  
Hypertensive Rats ◽  
Deoxycorticosterone Acetate ◽  
Spontaneously Hypertensive ◽  
Vascular Hypertrophy ◽  
Endothelin 1

Calmodulin levels in hypertensive rats

1985 ◽  
Vol 68 (4) ◽  
pp. 407-410 ◽  
Author(s):  
J. Higaki ◽  
T. Ogihara ◽  
Y. Kumahara ◽  
E. L. Bravo
Keyword(s):  
Intracellular Calcium ◽  
Spontaneously Hypertensive Rats ◽  
Hypertensive Rats ◽  
Deoxycorticosterone Acetate ◽  
Spontaneously Hypertensive ◽  
Calcium Dependent ◽  
Wistar Kyoto Rats ◽  
Regulatory Systems ◽  
Wistar Kyoto ◽  
The Brain

1. Intracellular calmodulin levels were measured by direct radioimmunoassay in spontaneously hypertensive rats (SHR) and Wistar—Kyoto rats (WKY). 2. Decreased calmodulin levels were demonstrated in the brain, heart, aorta and kidney of spontaneously hypertensive rats compared with those in Wistar—Kyoto rats. 3. Calmodulin levels in the brain were also decreased in deoxycorticosterone acetate (DOCA)-salt rats, but not changed significantly in the heart, aorta and kidney compared with those in Wistar—Kyoto rats. 4. These findings suggest that intracellular calcium-dependent regulatory systems are genetically disrupted in spontaneously hypertensive rats, but this is probably not an important factor in the development of hypertension.

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