凯发一触即发

至今,GenScript的服务及产品已被Cell, Nature, Science, PNAS等1300多家生物医药类杂志引用近万次,处于行业领先水平。NIH、哈佛、耶鲁、斯坦福、普林斯顿、杜克大学等约400家全球著名机构使用GenScript的基因合成、多肽服务、抗体服务和蛋白服务等成功地发表科研成果,再次证明GenScript 有能力帮助业内科学家Make research easy.

RNF167 activates mTORC1 and promotes tumorigenesis by targeting CASTOR1 for ubiquitination and degradation

Nat Commun. 2021-02; 
Tingting Li, Xian Wang, Enguo Ju, Suzane Ramos da Silva, Luping Chen, Xinquan Zhang, Shan Wei, Shou-Jiang Gao
Products/Services Used Details Operation
Proteins, Expression, Isolation and Analysis To detect all proteins except CASTOR1, samples were separated with 4–20% SDS-polyacrylamide gels (Genscript M00656 and M00657) Get A Quote

摘要

mTORC1, a central controller of cell proliferation in response to growth factors and nutrients, is dysregulated in cancer. Whereas arginine activates mTORC1, it is overridden by high expression of cytosolic arginine sensor for mTORC1 subunit 1 (CASTOR1). Because cancer cells often encounter low levels of nutrients, an alternative mechanism might exist to regulate CASTOR1 expression. Here we show K29-linked polyubiquitination and degradation of CASTOR1 by E3 ubiquitin ligase RNF167. Furthermore, AKT phosphorylates CASTOR1 at S14, significantly increasing its binding to RNF167, and hence its ubiquitination and degradation, while simultaneously decreasing its affinity to MIOS, leading to mTORC1 activation. Ther... More

关键词