Abstract
Blood vessels and endothelial cells (ECs) are highly versatile in order to accomplish local tissutal needs in the physiological and pathological conditions. Tumor vasculature, in particular, exhibits special morphological and functional features, partly due to the peculiarity of tumor-derived ECs (TECs). This is of great importance for the discovery of selective molecular targets potentially suitable to interfere with tumor growth and spread. In normal ECs, proangiogenic calcium signaling is mediated by different calcium channels, mainly TRPs and Orai, that could play a pivotal role in physiological angiogenesis. They are regulated through multiple mechanisms, involving their interaction with bioactive lipids (arachidonic acid and its metabolites), nitrosylation, sulfhydration, phosphorylation, cytoskeleton-mediated membrane trafficking, and calcium stores depletion. On the other hand, proangiogenic calcium events in TECs have been investigated only recently and their characterization is still preliminary. ECs obtained from human breast and renal carcinomas (B-TECs and R-TECs respectively) display altered calcium signals, which are associated with modified expression and function of TRP channels.
Here, we review the state of the art in the field of calcium signaling and tumor vascularization, the related recent literature and patents. Finally, we provide some suggestions for future developments.Keywords: Calcium channels, endothelial cells, tumor angiogenesis, tumor vascularization
Recent Patents on Anti-Cancer Drug Discovery
Title:Targeting Calcium Channels to Block Tumor Vascularization
Volume: 8 Issue: 1
Author(s): Luca Munaron, Tullio Genova, Daniele Avanzato, Susanna Antoniotti and Alessandra Fiorio Pla
Affiliation:
Keywords: Calcium channels, endothelial cells, tumor angiogenesis, tumor vascularization
Abstract: Blood vessels and endothelial cells (ECs) are highly versatile in order to accomplish local tissutal needs in the physiological and pathological conditions. Tumor vasculature, in particular, exhibits special morphological and functional features, partly due to the peculiarity of tumor-derived ECs (TECs). This is of great importance for the discovery of selective molecular targets potentially suitable to interfere with tumor growth and spread. In normal ECs, proangiogenic calcium signaling is mediated by different calcium channels, mainly TRPs and Orai, that could play a pivotal role in physiological angiogenesis. They are regulated through multiple mechanisms, involving their interaction with bioactive lipids (arachidonic acid and its metabolites), nitrosylation, sulfhydration, phosphorylation, cytoskeleton-mediated membrane trafficking, and calcium stores depletion. On the other hand, proangiogenic calcium events in TECs have been investigated only recently and their characterization is still preliminary. ECs obtained from human breast and renal carcinomas (B-TECs and R-TECs respectively) display altered calcium signals, which are associated with modified expression and function of TRP channels.
Here, we review the state of the art in the field of calcium signaling and tumor vascularization, the related recent literature and patents. Finally, we provide some suggestions for future developments.Export Options
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Cite this article as:
Munaron Luca, Genova Tullio, Avanzato Daniele, Antoniotti Susanna and Fiorio Pla Alessandra, Targeting Calcium Channels to Block Tumor Vascularization, Recent Patents on Anti-Cancer Drug Discovery 2013; 8 (1) . https://dx.doi.org/10.2174/1574892811308010027
DOI https://dx.doi.org/10.2174/1574892811308010027 |
Print ISSN 1574-8928 |
Publisher Name Bentham Science Publisher |
Online ISSN 2212-3970 |
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