
| 10.18632/oncotarget.16762
http://scihub22266oqcxt.onion/10.18632/oncotarget.16762
 C5458268!5458268!28410192
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Oncotarget 2017 ; 8 (19): 32055-67 Nephropedia Template TP
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Pellino 1 inactivates mitotic spindle checkpoint by targeting BubR1 for ubiquitinational degradation #MMPMID28410192Park J; Park HY; Kim S; Kim HS; Park JY; Go H; Lee CWOncotarget 2017[May]; 8 (19): 32055-67 PMID28410192show ga
Aberrant constitutive activation of receptor-mediated downstream signalling plays an active role in the deregulation of cell cycle control. The mitotic spindle checkpoint is important in preventing abnormal mitotic cell cycle with chromosome missegregation from achieving neoplastic aneuploidy. However, mechanisms coupling receptor-mediated signalling to mitotic spindle checkpoint regulation remain unclear. Pellino 1 is a receptor signal-responsive E3 ubiquitin ligase, and the application of certain receptor-mediated signalling regulates the expression and activity of Pellino 1. In the present study, Pellino 1 expression induced extensive chromosome aneuploidy and allowed abnormal mitotic cells to adapt and become aneuploid in vitro and in vivo. Pellino 1 directly interacted with BubR1, a key component of mitotic spindle checkpoint, in a mitotic cell-cycle dependent manner, and down-regulated the stability of BubR1 by ubiquitination-mediated degradation and induced mitotic dysfunction. In summary, Pellino 1 expression acts as an inhibitory signal of the homeostatic regulation of mitotic cell cycle and checkpoint, and thus contributes to the initiation and progression of neoplastic chromosome aneuploidy.�
  
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