Keeping p53 in check: essential and synergistic functions of Mdm2 and Mdm4.
Citations
232 citations
Cites background from "Keeping p53 in check: essential and..."
...The observation that MDM4-deficient embryos die around 10 dpc, apparently from p53-dependent cell proliferation arrest, showed that MDM4 is also an essential p53 regulator (Marine et al., 2006)....
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...…applies to many tissues, although it remains possible that the relative contribution of MDM2 and MDM4 to p53 regulation varies in some tissues or during specific differentiation phases (discussed in Boesten, Zadelaar, & De Clercq, 2006; Maetens, Doumont, & De Clercq, 2007; Marine et al., 2006)....
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...The notion that MDM2 is a major p53 regulator was confirmed in vivo when MDM2-deficient embryos were found to die around 4 days post-coitum (dpc) from p53dependent apoptosis (reviewed in Marine et al., 2006)....
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222 citations
221 citations
Cites background from "Keeping p53 in check: essential and..."
...not induce p53 degradation directly, but can antagonize p53-dependent transcription.(35) However, MDMX and MDM2 heterodimerize to augment p53 degradation, and hence both proteins can potentially influence p53 stability....
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200 citations
Cites background from "Keeping p53 in check: essential and..."
...Clearly, activation of p53 in normal tissues following inducible loss of MDM2 can induce apoptosis in certain normal tissue types, which suggests that the tumour-to-normal-cell differential may not be as tight as one might have hoped (Marine et al., 2006)....
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199 citations
References
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