angiotensin I

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Related to angiotensin I: angiotensin II
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Noun1.angiotensin I - a physiologically inactive form of angiotensin that is the precursor to angiotensin II
angiotensin, angiotonin, Hypertensin - any of several vasoconstrictor substances (trade name Hypertensin) that cause narrowing of blood vessels
References in periodicals archive ?
In contrast to the specific function and location of the renin enzyme, angiotensin I converting enzyme (ACE) is a diversely expressed dicarboxypeptidase that interacts with a wide array of substrates.
Release of angiotensin I converting enzyme (ACE) inhibitory activity during in vitro gastrointestinal digestion: from batch experiment to semicontinuous model.
Aliskiren differs from other agents in that it targets the renin-angiotensin system at the point of activation by inhibitingreninin the synthesis of angiotensin I and II, leading to reductions in plasma renin activity, according to a statement issued by Novartis, the company that manufactures the drug.
Angiotensin I is eventually hydrolyzed by the angiotensin-I-converting enzyme (ACE) to angiotensin II, which is a potent blood vessel constrictor--a vasoconstrictor.
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