Encyclopedia of Cancer

Living Edition
| Editors: Manfred Schwab

Angiotensin II Signaling

Living reference work entry
DOI: https://doi.org/10.1007/978-3-642-27841-9_282-2

Synonyms

Definition

The angiotensin peptides (angiotensins I, II, III, IV, and -(1–7)) are derived from the precursor angiotensinogen by sequential processing proteases such as renin, angiotensin I-converting enzyme (ACE), chymase, and other peptidases. Among these peptides, angiotensin II has been well studied and is shown to be the most biologically active peptide. This peptide hormone production system is called the renin-angiotensin system and is one of the phylogenetically oldest hormone systems that has been conserved throughout evolution. The renin-angiotensin system plays a key role in the maintenance of arterial blood pressure and fluid and electrolyte homeostasis. There are two well-defined receptors of angiotensin II (subtype 1 (AT1) and subtype 2 (AT2)), both of which have seven transmembrane, G-protein coupled receptors and are encoded by different genes (AT1 (agtr1), 3q21–25; AT2 (agtr2), Xq22–23). The major isoform, AT1receptor, is expressed in a wide...

Keywords

Epidermal Growth Factor Receptor Epidermal Growth Factor Receptor Transactivation Ovarian Cancer Malignancy Peptide Hormone Production Positive Ovarian Cancer 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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References

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Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  1. 1.Department of Anatomy and PhysiologyKansas State UniversityManhattanUSA