Title : Induction of glucose transporter 1 expression through hypoxia-inducible factor 1alpha under hypoxic conditions in trophoblast-derived cells.

Pub. Date : 2004 Oct

PMID : 15525582






4 Functional Relationships(s)
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1 BeWo and Rcho-1 cells cultured under 5% O2 or with CoCl2 showed increased expression of HIF-1alpha protein compared with those cultured under 20% O2. Oxygen hypoxia inducible factor 1 subunit alpha Rattus norvegicus
2 BeWo and Rcho-1 cells cultured under 5% O2 or with CoCl2 showed increased expression of HIF-1alpha protein compared with those cultured under 20% O2. cobaltous chloride hypoxia inducible factor 1 subunit alpha Rattus norvegicus
3 Exogeneous HIF-1alpha markedly increased the GLUT1 promoter activity from constructs containing the HRE site, while the GLUT1 promoter constructs lacking the HRE site were not activated by exogenous HIF-1alpha These data demonstrate that GLUT1 is up-regulated under 5% O2 or in the presence of CoCl2 in the placental cell lines through HIF-1alpha interaction with a consensus HRE site of the GLUT1 promoter. Oxygen hypoxia inducible factor 1 subunit alpha Rattus norvegicus
4 Exogeneous HIF-1alpha markedly increased the GLUT1 promoter activity from constructs containing the HRE site, while the GLUT1 promoter constructs lacking the HRE site were not activated by exogenous HIF-1alpha These data demonstrate that GLUT1 is up-regulated under 5% O2 or in the presence of CoCl2 in the placental cell lines through HIF-1alpha interaction with a consensus HRE site of the GLUT1 promoter. cobaltous chloride hypoxia inducible factor 1 subunit alpha Rattus norvegicus