Abstract
This review addresses recent developments in the neurobiology of an endogenous inhibitor of brain Na+, K+ - ATPase, 'ouabain'. 'Ouabain' is present in hypothalamic and medullary neurons and mediates sympathoexcitatory and pressor responses to acute and chronic increases in cerebrospinal fluid (CSF) sodium concentration as well as mediates the sympathoexcitatory and pressor responses to high dietary sodium intake in SHR and Dahl-S rats, and sympathetic hyperactivity in the congestive heart failure. Some of these actions of 'ouabain' in the CNS take place in the median preoptic nucleus and ventral part of the AV3V region. Despite recent advances in unveiling a biological role for 'ouabain' its structure, biosynthetic and metabolic pathways as well as actual control mechanisms remain unresolved.
| Original language | English |
|---|---|
| Pages (from-to) | 119-140 |
| Number of pages | 22 |
| Journal | Clinical and Experimental Hypertension |
| Volume | 20 |
| Issue number | 2 |
| DOIs | |
| State | Published - Feb 1998 |
Keywords
- AV3V
- Brain 'ouabain'
- CSF sodium
- Dahl
- Dietary sodium
- Median Preoptic Nucleus
- Neurosteroid
- SHR
- Sympathetic activity
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