Article (Scientific journals)
The lymphatic ring assay: a 3D-culture model of lymphangiogenesis.
Bruyere, Françoise; Melen-Lamalle, Laurence; Berndt, Sarah et al.
2008In Nature Protocols
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Keywords :
Lymphangiogenesis; lymphatic endothelial cell; in vitro model
Abstract :
[en] Lymphangiogenesis, the formation of new lymphatic vessels, is associated to numerous pathologies1 and understanding the molecular and cellular basis of this complex process is essential for the development of novel therapeutic strategies. Studies on lymphangiogenesis have been hampered by difficulties in culturing lymphatic capillaries as three-dimensional (3D) structures in vitro that mimic the in vivo features of lymphatic vessels and lymphangiogenesis. The lymphatic ring assay described here phenocopies the different steps of lymphangiogenesis, including the spreading from a preexisting vessel, cell proliferation, migration and differentiation into capillaries. It consists on the adaptation of the aortic ring assay that has proved to be useful to investigate the molecular basis of angiogenesis2-4. The lymphatic ring model is an ideal assay for testing the activity of lymphangiogenic agonists or antagonists. The absence of inflammatory cells allows a simple interpretation of results and the determination of direct effects of compounds on lymphatic endothelial cell properties. Another advantage of the lymphatic ring assay is that cell outgrowing are primary cells which have not been modified by repeated passages or immortalization. This culture model bridges the gap between in vitro and in vivo studies and allows genetic analysis by using thoracic ducts from genetically modified mice.
Research center :
Giga-Cancer - ULiège
Disciplines :
Biochemistry, biophysics & molecular biology
Author, co-author :
Bruyere, Françoise ;  Université de Liège - ULiège > Département des sciences cliniques > Labo de biologie des tumeurs et du développement
Melen-Lamalle, Laurence ;  Université de Liège - ULiège > Département des sciences cliniques > Labo de biologie des tumeurs et du développement
Berndt, Sarah ;  Université de Liège - ULiège > Département des sciences cliniques > Labo de biologie des tumeurs et du développement
Peulen, Olivier  ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Département des sciences biomédicales et précliniques
Foidart, Jean-Michel ;  Université de Liège - ULiège > Département des sciences cliniques > Gynécologie - Obstétrique - Labo de biologie des tumeurs et du développement
Noël, Agnès ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Biologie cellulaire et moléculaire appliquée à l'homme
Language :
English
Title :
The lymphatic ring assay: a 3D-culture model of lymphangiogenesis.
Publication date :
2008
Journal title :
Nature Protocols
ISSN :
1754-2189
eISSN :
1750-2799
Publisher :
Nature Publishing Group, United Kingdom
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 27 April 2009

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