Angiotensins. A family that grows from within.
نویسندگان
چکیده
منابع مشابه
A Family That Grows From Within
Hydrolytic cleavage of large, inert proteins into smaller, active products is a common event in biology. The active products usually enjoy brief useful lifespans before they themselves are cleaved into inactive fragments. Prototypic participants in this process include clotting factors, complement, and digestive enzymes. Angiotensin II (Ang II) was the first polypeptide hormone recognized as th...
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The renin-angiotensin-aldosterone system is now considered to be far more complex than previously thought when the vasoconstrictor and other physiological effects of the octapeptide angiotensin II in the circulating blood were emphasized. The reasons for this altered viewpoint, involving angiotensins other than the octapeptide in the regulation of blood pressure, water and electrolyte homeostas...
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The ability to grow extra nodes is a potentially useful facility for a self-organising neural network. A network that can add nodes into its map space can approximate the input space more accurately, and often more parsimoniously, than a network with predefined structure and size, such as the Self-Organising Map. In addition, a growing network can deal with dynamic input distributions. Most of ...
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ژورنال
عنوان ژورنال: Hypertension
سال: 1991
ISSN: 0194-911X,1524-4563
DOI: 10.1161/01.hyp.17.2.139