The results of this study suggest that sodium alginate oligosaccharides attenuate salt-induced hypertension in Dahl S rats. This reduction is associated with decreases in cardiovascular and renal damage.
We investigated the effects of sodium alginate oligosaccharides (alginate) on the development of spontaneous hypertension in rats. Spontaneous hypertensive rats were treated with alginate for 7 weeks. Systolic blood pressure (SBP) and cardiovascular and kidney damage were assessed. Systolic blood pressure increased in SHRs and this elevation was attenuated with alginate treatment. The heart weight tended to decline. Alginate did not change plasma cholesterol levels or urinary sodium excretions. The slightly higher urinary protein excretion in SHRs was not changed with the treatment; however, morphologic glomerular damage was significantly attenuated. Sodium alginate oligosaccharide attenuates spontaneous hypertension in SHRs, and may help prevent early-stage kidney injury.
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