Abstract
The urinary angiotensinogen excretion rates show a clear relationship to kidney angiotensin II content, suggesting that urinary angiotensinogen may serve as an index of angiotensin II-dependent hypertensive rats. However, simple and accurate methods to measure human angiotensinogen are unavailable at this time. We have developed two antibodies and a sensitive and specific quantification ELISA system for human angiotensinogen to be applicable to human subjects. The ELISA is able to detect human angiotensinogen at range of 0.01–1 μg/well ( R 2 = 0.9945) using standard ELISA plates. This ELISA will be a useful tool to investigate the relationship between urinary angiotensinogen excretion rates and reactivity to antihypertensive drugs in hypertensive human subjects.
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