Abstract
Basic studies on angiogenesis in normal and pathologic conditions, as well as research on drugs or genes / proteins that stimulate or regulate the angiogenic process, can rely on an increasing number of experimental models. Among non-mammalian models, Zebrafish is adopted by an increasing number of research groups. Moreover, angiogenesis and vasculogenesis in invertebrates like the leech Hirudo medicinalis share a high degree of similarity with the same processes occurring in humans, both under the structural / functional and biochemical points of view. Interestingly, Hirudo angiogenic growth factor receptors respond to corresponding human / mammalian recombinant growth factors and cytokines; in addition, Hirudo endogenous angiogenic growth factors and receptors react with antibodies against their human / mammalian counterparts. Furthermore, as it will be shown in this review, Hirudo has the unique advantage of having a virtually avascular muscular body wall, whereas the reliability of such a peculiar feature as a model for physiologically vascularised mammalian tissues has to be thoroughly investigated. Hirudo has proven so far to allow unambiguous, clear-cut studies on the angiogenic potential of gene-products or drugs, as well as on the antiangiogenic compounds. This article will review the biology of angiogenesis in Hirudo and the data so far collected on angiogenesis stimulation / modulation in this model; an example describing a study on the biological activity of a naked DNA vector for angiogenesis gene therapy will also be provided.
Keywords: leeches, angiogenesis, cytokines, gene therapy, vegf
Current Pharmaceutical Design
Title: Hirudo medicinalis: Avascular Tissues for Clear-Cut Angiogenesis Studies?
Volume: 10 Issue: 16
Author(s): Magda de Eguileor, Gianluca Tettamanti, Annalisa Grimaldi, Gianpaolo Perletti, Terenzio Congiu, Liliana Rinaldi and Roberto Valvassori
Affiliation:
Keywords: leeches, angiogenesis, cytokines, gene therapy, vegf
Abstract: Basic studies on angiogenesis in normal and pathologic conditions, as well as research on drugs or genes / proteins that stimulate or regulate the angiogenic process, can rely on an increasing number of experimental models. Among non-mammalian models, Zebrafish is adopted by an increasing number of research groups. Moreover, angiogenesis and vasculogenesis in invertebrates like the leech Hirudo medicinalis share a high degree of similarity with the same processes occurring in humans, both under the structural / functional and biochemical points of view. Interestingly, Hirudo angiogenic growth factor receptors respond to corresponding human / mammalian recombinant growth factors and cytokines; in addition, Hirudo endogenous angiogenic growth factors and receptors react with antibodies against their human / mammalian counterparts. Furthermore, as it will be shown in this review, Hirudo has the unique advantage of having a virtually avascular muscular body wall, whereas the reliability of such a peculiar feature as a model for physiologically vascularised mammalian tissues has to be thoroughly investigated. Hirudo has proven so far to allow unambiguous, clear-cut studies on the angiogenic potential of gene-products or drugs, as well as on the antiangiogenic compounds. This article will review the biology of angiogenesis in Hirudo and the data so far collected on angiogenesis stimulation / modulation in this model; an example describing a study on the biological activity of a naked DNA vector for angiogenesis gene therapy will also be provided.
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Cite this article as:
Eguileor de Magda, Tettamanti Gianluca, Grimaldi Annalisa, Perletti Gianpaolo, Congiu Terenzio, Rinaldi Liliana and Valvassori Roberto, Hirudo medicinalis: Avascular Tissues for Clear-Cut Angiogenesis Studies?, Current Pharmaceutical Design 2004; 10 (16) . https://dx.doi.org/10.2174/1381612043384358
DOI https://dx.doi.org/10.2174/1381612043384358 |
Print ISSN 1381-6128 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4286 |
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