Delta/notch-like epidermal growth factor-related receptor (DNER) orchestrates stemness and cancer progression in prostate cancer

Delta/Notch 样表皮生长因子相关受体 (DNER) 调控前列腺癌的干细胞特性和癌症进展

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作者:Lijun Wang, Qi Wu, Shan Zhu, Zhiyu Li, Jingping Yuan, Dehua Yu, Zhiliang Xu, Juanjuan Li, Shengrong Sun, Changhua Wang

Abstract

DNER, Delta/Notch-like epidermal growth factor (EGF)-related receptor, is a neuron-specific transmembrane protein carrying extracellular EGF-like repeats. The function of DNER in prostate cancer has not been evaluated. Here, we showed that the upregulation of DNER is observed in various cancers, including prostate cancer. Knockdown of DNER in PC-3 cells inhibited cell proliferation, migration and invasion as well as tumorigenesis in PC-3 xenografts. DNER knockdown specifically inhibited cell growth in spheroids. RT-PCR and western blot analysis were performed, and CD44, HES1 and GLI1 expression was significantly decreased in DNER knockdown cells. Thus, DNER promotes prostate cancer progression and the growth of PC-3 cells by modulating the primary genes of cancer stem cells.

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