Suppression of the NTS-CPS1 regulatory axis by AFF1 in lung adenocarcinoma cells.
Suppression of the NTS-CPS1 regulatory axis by AFF1 in lung adenocarcinoma cells.
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DOI:
10.1016/j.jbc.2021.100319
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发表时间:
2021-01
期刊:
影响因子:
--
通讯作者:
Luo Z
中科院分区:
文献类型:
--
作者:
Yue J;Dai Q;Hao S;Zhu S;Liu X;Tang Z;Li M;Fang H;Lin C;Luo Z
Upregulation of the neuropeptide neurotensin (NTS) in a subgroup of lung cancers has been linked to poor prognosis. However, the regulatory pathway centered on NTS in lung cancer remains unclear. Here we identified the NTS-specific enhancer in lung adenocarcinoma cells. The AF4/FMR2 (AFF) family protein AFF1 occupies the NTS enhancer and inhibits NTS transcription. Clustering analysis of lung adenocarcinoma gene expression data demonstrated that NTS expression is highly positively correlated with the expression of the oncogenic factor CPS1. Detailed analyses demonstrated that the IL6 pathway antagonizes NTS in regulating CPS1. Thus, our analyses revealed a novel NTS-centered regulatory axis, consisting of AFF1 as a master transcription suppressor and IL6 as an antagonist in lung adenocarcinoma cells.
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