Kalottenmodelle der Angiotensine I und II.

Angiotensine, früher Angiotonine oder Hypertensine, sind eine zu den Gewebshormonen zählende Gruppe von Peptidhormonen, die durch enzymatische Spaltung aus Angiotensinogen der Leber gebildet werden. Dazu zählen:

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  • Angiotensin — causes blood vessels to constrict, and drives blood pressure up. It is part of the renin angiotensin system, which is a major target for drugs that lower blood pressure. Angiotensin also creates aldosterone, which causes the tubules of the… …   Wikipedia

  • angiotensin — [an΄jē ō ten′sin] n. [ ANGIO + TENS(ION) + IN1] a polypeptide that is a powerful vasopressor, formed in the blood by the action of renin on a plasma protein …   English World dictionary

  • angiotensin — /an jee oh ten sin/, n. Biochem. any of three oligopeptides occurring in plasma, an inactive form (angiotensin I) and two varieties (angiotensin II and angiotensin III) that elevate blood pressure and stimulate the adrenal cortex to secrete… …   Universalium

  • Angiotensin — An|gio|ten|sin 〈n. 11; Pharm.〉 Gewebshormon, das aus acht Aminosäuren besteht u. blutdrucksteigernd wirkt [<grch. aggeion „Gefäß“ + lat. tendere „spannen“] * * * An|gi|o|ten|sin [griech. aggeĩon = Gefäß u. lat. tendere, tensum = spannen; ↑ in …   Universal-Lexikon

  • Angiotensin — A family of peptides (smaller than proteins) that act as vasoconstrictors to narrow blood vessels. * * * A family of peptides of known and similar sequence, with vasoconstrictive activity, produced by enzymatic action of renin upon… …   Medical dictionary

  • angiotensin — n. either of two peptides: angiotensin I or angiotensin II. Angiotensin I is derived, by the action of the enzyme renin, from a protein (alpha globulin) secreted by the liver into the bloodstream. As blood passes through the lungs, another enzyme …   The new mediacal dictionary

  • angiotensin — A peptide hormone. Angiotensinogen (renin substrate) is a 60 kD polypeptide released from the liver and cleaved in the circulation by renin to form the biologically inactive decapeptide angiotensin I. This is in turn cleaved to form active… …   Dictionary of molecular biology

  • angiotensin — noun any of several vasoconstrictor substances (trade name Hypertensin) that cause narrowing of blood vessels • Syn: ↑angiotonin, ↑Hypertensin • Usage Domain: ↑trademark (for: ↑Hypertensin) • Hypernyms: ↑ …   Useful english dictionary

  • angiotensin — noun Etymology: angi + hypertension + in Date: 1958 either of two forms of a kinin of which one has marked vasoconstrictive action; also a synthetic amide derivative of the physiologically active form used to treat some forms of hypotension …   New Collegiate Dictionary

  • angiotensin — noun /ændʒɪəʊˈtɛnsɪn/ Any of several polypeptides that narrow blood vessels and thus regulate arterial pressure …   Wiktionary

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