Article (Scientific journals)
Expression and Modulation of Homeobox Genes from Cluster B in Endothelial Cells
Belotti, D.; Clausse, Nathalie; Flagiello, D. et al.
1998In Laboratory Investigation, 78 (10), p. 1291-9
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Keywords :
Homeobox genes; Angiogenesis
Abstract :
[en] Angiogenesis is a complex phenomenon likely to be under the strict control of a group of transcription factor(s). Homeobox (HOX)-containing proteins have been identified as regulators controlling the coordinated expression of genes involved in organ development and tissue differentiation. In this study, we have demonstrated that human umbilical vein endothelial cells (HUVEC) express 8 of the 10 HOX genes contained in cluster B. Treatment of HUVEC with tissue plasminogen activator (TPA), an agent known to induce morphologic changes in endothelial cells, or vascular endothelium growth factor (VEGF), a proliferative and angiogenesis inducer, results in a specific time-dependent modulation of the eight HOX genes identified. Interestingly, neither basic fibroblast growth factor, an endothelial proliferative agent, nor TNP-470, a fumagillin derivative with potent antiendothelial cell proliferation properties, affected expression of these HOX genes. Specific modulation of HOX genes by differentiating agents but not by proliferative or antiproliferative molecules suggests that they could be involved in the control of the genetic program that coordinates the construction of new blood vessels.
Disciplines :
Biochemistry, biophysics & molecular biology
Oncology
Author, co-author :
Belotti, D.
Clausse, Nathalie
Flagiello, D.
Alami, Y.
Daukandt, M.
Deroanne, Christophe ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Protéines et glycoprot. de matr.extracell. et membran.basal.
Malfoy, B.
Boncinelli, E.
Faiella, A.
Castronovo, Vincenzo ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Biologie générale et cellulaire
Language :
English
Title :
Expression and Modulation of Homeobox Genes from Cluster B in Endothelial Cells
Publication date :
October 1998
Journal title :
Laboratory Investigation
ISSN :
0023-6837
eISSN :
1530-0307
Publisher :
Nature Publishing Group, London, United Kingdom
Volume :
78
Issue :
10
Pages :
1291-9
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
ARC - Actions de recherche concertées N°96/00-191
Funders :
CAC - Centre anticancéreux près l'Université de Liège asbl [BE]
Association Sportive contre le Cancer
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
Télévie [BE]
FWB - Fédération Wallonie-Bruxelles [BE]
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