Hypoxia-inducible transcription factors (HIFs) control the changes in gene expression that are critical for allowing cells to adapt to limited oxygen levels. In the November 29 Nature, Yuichi Makino and colleagues describe the cloning of a new inhibitor of the transcriptional response to hypoxic conditions (Nature 2001, 414:550-554).Makino et al. mined mouse EST databases in search of HIF homologues and identified a new gene, IPAS, encoding a protein containing a motif (bHLH PAS) that is found i
Hypoxia-inducible transcription factors (HIFs) control the changes in gene expression that are critical for allowing cells to adapt to limited oxygen levels. In the November 29
Makino
High IPAS levels also reduced tumour growth and angiogenesis. IPAS expression is predominantly restricted to the Purkinje cells in the cerebellum and corneal epithelium in the eye, where it may play an important role in negatively regulating levels of the vascular endothelial ...
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