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Current Strategies for Modulating Lymphangiogenesis Signalling Pathways in Human Disease

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Abstract:

The recent discovery that members of the vascular endothelial growth factor (VEGF) family of secreted glycoproteins can mediate lymphatic vessel growth (lymphangiogenesis) via cell surface receptor tyrosine kinases expressed on endothelial cells has opened the way for therapeutic intervention for pathologies involving dysregulated lymphatic vessel function. At least two members of this family, VEGF-C and VEGF-D, have been shown to induce lymphangiogenesis in vivo. Lymphatic vessels and their specific growth factors have been directly implicated in a number of significant human pathologies. In cancer, VEGF-C and VEGF-D appear to correlate with tumor metastasis and poor patient outcome in a range of prevalent human cancers. Experimental studies have demonstrated that expression of the lymphangiogenic growth factors in tumor models induces increased lymphangiogenesis and results in spread of tumor cells via the lymphatics. In contrast, conditions such as lymphedema, where lymphatic vessels fail to clear fluid from interstitial spaces, are opportunities for which the application of growth factors to generate new lymphatic vessels may be a viable therapeutic option. The list of molecules that control lymphangiogenesis is now expanding, allowing more opportunities for the development of drugs with which to manipulate the relevant signalling pathways. Modulating these pathways and other molecules with specificity to the lymphatic endothelium could offer alternative treatments for a number of important clinical conditions.

Keywords: Lymphangiogenesis; lymphatic endothelium; lymphedema; metastasis; receptors; vascular endothelial growth factors

Document Type: Research Article

DOI: http://dx.doi.org/10.2174/092986706776055625

Affiliations: Angiogenesis Laboratory, Ludwig Institute for Cancer Research, PO Box 2008, Royal Melbourne Hospital, Victoria 3050, Australia.

Publication date: March 1, 2006

More about this publication?
  • Current Medicinal Chemistry covers all the latest and outstanding developments in medicinal chemistry and rational drug design. Each issue contains a series of timely in-depth reviews written by leaders in the field covering a range of the current topics in medicinal chemistry. Current Medicinal Chemistry is an essential journal for every medicinal chemist who wishes to be kept informed and up-to-date with the latest and most important developments.
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