THE ROLE OF CALCIUM-PROTEIN KINASE C SYSTEMS IN THE REGULATION OF ACETYLCHOLINE RELEASE IN THE CENTRAL NERVOUS SYSTEM OF SPONTANEOUSLY HYPERTENSIVE RATS

1996 ◽  
Vol 37 (4) ◽  
pp. 532-532
Author(s):  
Kazushi Tsuda ◽  
Ichiro Nishio ◽  
Yoshiaki Masuyama
2005 ◽  
Vol 54 (2) ◽  
pp. 102-108 ◽  
Author(s):  
Koichi Hayashi ◽  
Shu Wakino ◽  
Yuri Ozawa ◽  
Koichiro Homma ◽  
Takeshi Kanda ◽  
...  

1993 ◽  
Vol 265 (1) ◽  
pp. H421-H424 ◽  
Author(s):  
F. H. Leenen ◽  
E. Harmsen ◽  
H. Yu ◽  
B. Yuan

Both the adrenal glands and the hypothalamus have been proposed to produce compound(s) with ouabainlike activity (OLA). To evaluate the contribution of the adrenal glands, 4-wk-old spontaneously hypertensive rats (SHR) were sham operated or adrenalectomized. The adrenalectomized SHR were given daily injections of corticosterone and aldosterone. Subsequently, rats were randomized to control or high (8%) dietary Na+, and after 2.5 wk, blood pressure and OLA in plasma, hypothalamus, and pituitary were evaluated. Hypertension developed somewhat less in adrenalectomized vs. sham-operated SHR. On control Na+ intake, adrenalectomy caused only minor decreases in circulating and central OLA. Adrenalectomy did not prevent the 50-90% increases in plasma, hypothalamus, and pituitary OLA caused by high Na+ intake for 2.5 wk. These findings are consistent with the concept that, at least in SHR, the central nervous system may represent the major source of both central and peripheral OLA.


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