Abstract
The development of peptides as therapeutic agents has progressed such that these small molecules of less than fifty amino acids are currently in use for the treatment of a variety of pathologies. This review focuses on the pre-clinical studies and clinical trials assessing the anti-cancer properties of angiotensin-(1-7) [Ang-(1-7)], an endogenous heptapeptide hormone of the renin-angiotensin system. Ang-(1-7) mediates biological responses by activating mas, a unique G protein- coupled receptor, thereby providing specific targeted actions when used as a therapeutic agent. Studies in in vitro as well as in vivo mouse models demonstrated that the heptapeptide hormone reduced proliferation of human cancer cells and xenograft tumors. This attenuation was concomitant with decreased angiogenesis, cancer associated fibrosis, osteoclastogenesis, tumor-induced inflammation and metastasis as well as altered regulation of growth promoting cellular signaling pathways. In three clinical trials, Ang-(1-7) was well tolerated with limited toxic or quality-of-life side effects and showed clinical benefit in cancer patients with solid tumors. Taken together, these studies suggest that Ang-(1-7) may serve as a first-in-class peptide chemotherapeutic agent, reducing cancer growth and metastases by pleiotrophic mechanisms as well as targeting the tumor microenvironment.
Keywords: Angiogenesis, angiotensin receptor, angiotensin-(1-7), cancer associated fibrosis, cancer, kinase, mas, osteoclastogenesis, phosphatase, placental growth factor, tumor microenvironment, vascular endothelial growth factor.
Current Medicinal Chemistry
Title:Angiotensin-(1-7): A Peptide Hormone with Anti-Cancer Activity
Volume: 21 Issue: 21
Author(s): P.E. Gallagher, A.L. Arter, G. Deng and E.A. Tallant
Affiliation:
Keywords: Angiogenesis, angiotensin receptor, angiotensin-(1-7), cancer associated fibrosis, cancer, kinase, mas, osteoclastogenesis, phosphatase, placental growth factor, tumor microenvironment, vascular endothelial growth factor.
Abstract: The development of peptides as therapeutic agents has progressed such that these small molecules of less than fifty amino acids are currently in use for the treatment of a variety of pathologies. This review focuses on the pre-clinical studies and clinical trials assessing the anti-cancer properties of angiotensin-(1-7) [Ang-(1-7)], an endogenous heptapeptide hormone of the renin-angiotensin system. Ang-(1-7) mediates biological responses by activating mas, a unique G protein- coupled receptor, thereby providing specific targeted actions when used as a therapeutic agent. Studies in in vitro as well as in vivo mouse models demonstrated that the heptapeptide hormone reduced proliferation of human cancer cells and xenograft tumors. This attenuation was concomitant with decreased angiogenesis, cancer associated fibrosis, osteoclastogenesis, tumor-induced inflammation and metastasis as well as altered regulation of growth promoting cellular signaling pathways. In three clinical trials, Ang-(1-7) was well tolerated with limited toxic or quality-of-life side effects and showed clinical benefit in cancer patients with solid tumors. Taken together, these studies suggest that Ang-(1-7) may serve as a first-in-class peptide chemotherapeutic agent, reducing cancer growth and metastases by pleiotrophic mechanisms as well as targeting the tumor microenvironment.
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Cite this article as:
Gallagher P.E., Arter A.L., Deng G. and Tallant E.A., Angiotensin-(1-7): A Peptide Hormone with Anti-Cancer Activity, Current Medicinal Chemistry 2014; 21 (21) . https://dx.doi.org/10.2174/0929867321666140205133357
DOI https://dx.doi.org/10.2174/0929867321666140205133357 |
Print ISSN 0929-8673 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-533X |
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