Key result
Kidneys from diabetic rats showed enhanced sensitivity to noradrenaline with decreased EC50 values (0.84 vs 2.03 nmols, P<0.05) compared to controls, suggesting impaired neuronal uptake.
Why the study?
Does early stage experimental diabetes alter renal vascular responsiveness to vasoactive agents in isolated perfused kidneys?
Population
Adult male Wistar rats with alloxan-induced early stage diabetes (n=14)
Comparison
Alloxan to induce early stage experimental… vs Control rats (non-diabetic)
Design
Preclinical
Follow-up
7 days
Authors
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Hypothesis-generating for impaired neuronal uptake in early diabetic rat kidneys; leaves open translation to human disease.
Does early stage experimental diabetes alter renal vascular responsiveness to vasoactive agents in isolated perfused kidneys?
Absolute Event Rate: 0.84% vs 2.03%
p-value: p=< 0.05
Early stage experimental diabetes in rats enhances renal vascular sensitivity to noradrenaline, likely due to impaired neuronal uptake, without altering endothelium-dependent or independent vasodilation.
García et al. (1999) studied Early stage of experimental diabetes (n=14). Alloxan-induced diabetes vs. Control rats was evaluated on Vasoconstrictor response to noradrenaline (EC50 nmols) (p=< 0.05). Kidneys from diabetic rats showed enhanced sensitivity to noradrenaline with decreased EC50 values (0.84 vs 2.03 nmols, P<0.05) compared to controls, suggesting impaired neuronal uptake.
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