Abstract:
:SAG is an essential RING component of the Cullin-RING ligase (CRL) E3 ubiquitin ligase complex, which regulates diverse signaling pathways and biological processes, including cell apoptosis, embryonic development, angiogenesis, and tumorigenesis. In the present study, we revealed that SAG gene expression is upregulated in breast cancer cells and that SAG overexpression is associated with significant poorer survival in breast cancer, especially the luminal A subtype. We also detected highly correlated co-overexpression of SAG and COPB2 in breast cancers. Subsequent in vitro experiments demonstrated that SAG and COPB2 act cooperatively to stimulate breast cancer cell proliferation, migration and invasion. Our findings suggest that levels of SAG and COPB2 expression may be useful prognostic indicators in breast cancers and that SAG may be involved in COPB2-related signaling during breast cancer development.
journal_name
Aging (Albany NY)journal_title
Agingauthors
Liu A,Zhang S,Li W,Xu B,Lei R,Zhu Sdoi
10.18632/aging.102663subject
Has Abstractpub_date
2020-01-11 00:00:00pages
902-911issue
1issn
1945-4589pii
102663journal_volume
12pub_type
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