Title : CITED2 controls the hypoxic signaling by snatching p300 from the two distinct activation domains of HIF-1α.

Pub. Date : 2011 Dec

PMID : 21925214






10 Functional Relationships(s)
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1 However, few researches have focused on the role of CITED2 in the regulation of NAD activity, and thus, we addressed this point. nadide Cbp/p300 interacting transactivator with Glu/Asp rich carboxy-terminal domain 2 Homo sapiens
2 CITED2 was found to attenuate the hypoxic activations of NAD-dependent and CAD-dependent genes, suggesting that CITED2 negatively regulates both CAD and NAD. nadide Cbp/p300 interacting transactivator with Glu/Asp rich carboxy-terminal domain 2 Homo sapiens
3 CITED2 was found to attenuate the hypoxic activations of NAD-dependent and CAD-dependent genes, suggesting that CITED2 negatively regulates both CAD and NAD. nadide Cbp/p300 interacting transactivator with Glu/Asp rich carboxy-terminal domain 2 Homo sapiens
4 CITED2 was found to attenuate the hypoxic activations of NAD-dependent and CAD-dependent genes, suggesting that CITED2 negatively regulates both CAD and NAD. nadide Cbp/p300 interacting transactivator with Glu/Asp rich carboxy-terminal domain 2 Homo sapiens
5 CITED2 was found to attenuate the hypoxic activations of NAD-dependent and CAD-dependent genes, suggesting that CITED2 negatively regulates both CAD and NAD. nadide Cbp/p300 interacting transactivator with Glu/Asp rich carboxy-terminal domain 2 Homo sapiens
6 Furthermore, CITED2 was found to inactivate NAD by interfering with NAD binding to CH1, but not to CH3. nadide Cbp/p300 interacting transactivator with Glu/Asp rich carboxy-terminal domain 2 Homo sapiens
7 Furthermore, CITED2 was found to inactivate NAD by interfering with NAD binding to CH1, but not to CH3. nadide Cbp/p300 interacting transactivator with Glu/Asp rich carboxy-terminal domain 2 Homo sapiens
8 These results indicate that CITED2 inactivates HIF-1alpha by blocking p300 recruitment by both NAD and CAD. nadide Cbp/p300 interacting transactivator with Glu/Asp rich carboxy-terminal domain 2 Homo sapiens
9 Summarizing, NAD was activated by binding to p300, and this was blocked by either CITED2 or pVHL. nadide Cbp/p300 interacting transactivator with Glu/Asp rich carboxy-terminal domain 2 Homo sapiens
10 We propose that pVHL controls NAD during normoxia and that CITED2 controls NAD during hypoxia. nadide Cbp/p300 interacting transactivator with Glu/Asp rich carboxy-terminal domain 2 Homo sapiens