Enhanced degradation of MDM2 by a nuclear envelope component, mouse germ cell-less.
[No authors listed]
摘要
A mouse homologue of Drosophila germ cell less, mouse germ cell less-1 (mgcl-1), encodes a nuclear envelope component essential for nuclear integrity. To analyze the molecular function of mGCL-1, we carried out two hybrid screening and found that mGCL-1 bound to the gene product of tumor susceptibility gene 101 (tsg101). Effects of mGCL-1 on the expression of MDM2-p53 axis were examined, since TSG101 has been shown to elevate the amount of MDM2 by inhibiting the ubiquitination. mGCL-1 significantly reduced the amount of MDM2 probably by changing the sub-cellular localization of the MDM2 and facilitating the ubiquitination of MDM2. In addition, the amount of p53 was increased and transactivation by p53 was enhanced by mGCL-1. Thus, mGCL-1 turned out to be a factor modulating MDM2-p53 axis by enhanced degradation of MDM2.
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基因功能
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原始数据
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文献解读
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