Title: Cytoglobin expression is upregulated in all tissues upon hypoxia: an in vitro and in vivo study by quantitative real-time PCR
Authors: Fordel, E ×
Geuens, E
Dewilde, S
Rottiers, P
Carmeliet, Peter
Grooten, J
Moens, L #
Issue Date: Jun-2004
Series Title: Biochemical and Biophysical Research Communications vol:319 issue:2 pages:342-8
Abstract: The vertebrate globin family has been extended with two members: neuroglobin and cytoglobin. We here investigate the changes of expression levels upon hypoxia of cytoglobin in parallel with neuroglobin, in vivo and in vitro, by using real-time quantitative PCR. Our data prove that cytoglobin is upregulated upon hypoxia in all tissues. The mechanism of induction of cytoglobin is regulated by the hypoxia-inducible factor 1, a posttranscriptionally regulated transcription factor controlling several hypoxia-inducible genes. The latter is argumented by: (1) cytoglobin is significantly upregulated upon hypoxia and this is dependent on the tissue and severity of hypoxia; (2) the regulation of cytoglobin expression in HIF-1 (+/-) knockout mice is affected; (3) the variations of the expression regulation are in the same manner as seen in the expression of our control gene VEGF, that is proven to be regulated by the HIF-1-pathway; and (4) cytoglobin promoter region contains HRE sites.
ISSN: 0006-291X
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular and Vascular Biology
Laboratory of Angiogenesis and Vascular Metabolism (Vesalius Research Center) (+)
× corresponding author
# (joint) last author

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