Abstract:
:COP9 signalosome subunit 5 (CSN5) plays a key role in carcinogenesis of multiple cancers and contributes to the stabilization of target proteins through deubiquitylation. However, the underlying role of CSN5 in thyroid carcinoma has not been reported. In this research, our data showed that CSN5 was overexpressed in thyroid carcinoma tissues compared with paracancerous tissues. Furthermore, a series of gain/loss functional assays were performed to demonstrate the role of CSN5 in facilitating thyroid carcinoma cell proliferation and metastasis. Additionally, we found there was a positive correlation between CSN5 and angiopoietin-like protein 2 (ANGPTL2) protein levels in thyroid carcinoma tissues and that CSN5 promoted thyroid carcinoma cell proliferation and metastasis through ANGPTL2. We also identified the underlying mechanism that CSN5 elevated ANGPTL2 protein level by directly binding it, decreasing its ubiquitination and degradation. Overall, our results highlight the significance of CSN5 in promoting thyroid carcinoma carcinogenesis and implicate CSN5 as a promising candidate for thyroid carcinoma treatment.
journal_name
Endocrinologyjournal_title
Endocrinologyauthors
Xie P,Wang H,Fang J,Du D,Tian Z,Zhen J,Liu Y,Ding Y,Fu B,Liu F,Huang D,Yu Jdoi
10.1210/endocr/bqaa206subject
Has Abstractpub_date
2021-03-01 00:00:00issue
3eissn
0013-7227issn
1945-7170pii
6122687journal_volume
162pub_type
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