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Measurement of Plasma Renin Activity

Authors: Marion Cawood;

Measurement of Plasma Renin Activity

Abstract

Measurement of angiotensin 1, released in plasma by the action of endogenous enzyme renin on endogenous substrate, angiotensinogen is described. Details are given for the generation of angiotensin 1 from plasma using controlled conditions of pH and temperature. A radioimmunoassay to quantify the generated material is then described using anti-angiotensin 1 antibody and iodinated angiotensin 1 as label. Separation of the antibody-bound fraction from the free is achieved using dextran-coated charcoal. Problems of cryoactivation of prorenin and the labile nature of angiotensin 1 are highlighted. Additional notes describe steps in the assay that are critical.

Related Organizations
Keywords

Enzyme Activation, Renin, Radioimmunoassay, Animals, Humans, Angiotensin I, Substrate Specificity

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
4
Average
Average
Average
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