Abstract:
:The faithful inheritance of chromosomes is essential for the propagation of organisms. In eukaryotes, central to this process is the mitotic spindle. Recently, we have identified TRIM8 as a gene aberrantly expressed in gliomas whose expression reduces the clonogenic potential in the patients' glioma cells. TRIM8 encodes an E3 ubiquitin ligase involved in various pathological processes, including hypertrophy, antiviral defense, encephalopathy, and cancer development. To gain insights into the TRIM8 functions, we characterized the TRIM8 interactome in primary mouse embryonic neural stem cells using proteomics. We found that TRIM8 interacts with KIFC1, and KIF11/Eg5, two master regulators of mitotic spindle assembly and cytoskeleton reorganization. By exploring the TRIM8 role in the mitotic spindle machinery, we showed that TRIM8 localizes at the mitotic spindle during mitosis and plays a role in centrosome separation at the beginning of mitosis with a subsequent delay of the mitotic progression and impact on chromosomal stability.
journal_name
Cancer Lettjournal_title
Cancer lettersauthors
Venuto S,Monteonofrio L,Cozzolino F,Monti M,Appolloni I,Mazza T,Canetti D,Giambra V,Panelli P,Fusco C,Squeo GM,Croce AI,Pucci P,Malatesta P,Soddu S,Merla G,Micale Ldoi
10.1016/j.canlet.2019.12.042subject
Has Abstractpub_date
2020-03-31 00:00:00pages
98-106eissn
0304-3835issn
1872-7980pii
S0304-3835(19)30664-0journal_volume
473pub_type
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