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Cdh1 functions as an oncogene by inducing self-renewal of lung cancer stem-like cells via oncogenic pathways.


ABSTRACT: The mortality rate of lung cancer remains the highest amongst all cancers despite of new therapeutic developments. While cancer stem cells (CSCs) may play a pivotal role in cancer, mechanisms underlying CSCs self-renewal and their relevance to cancer progression have not been clearly elucidated due to the lack of reliable and stable CSC cellular models. In the present study, we unveiled the novel oncogene function of cadherin 1 (Cdh1) via bioinformatic analysis in a broad spectrum of human cancers including lung adenocarcinoma (LUAD), adding a new dimension to the widely reported tumor suppressor function of Cdh1. Experimentally, we show for the first time that Cdh1 promotes the self-renewal of lung CSCs, consistent with its function in embryonic and normal stem cells. Using the LLC-Symmetric Division (LLC-SD) model, we have revealed an intricate cross-talk between the oncogenic pathway and stem cell pathway in which Cdh1 functions as an oncogene by promoting lung CSC renewal via the activation of the Phosphoinositide 3-kinase (PI3K) and inhibition of Mitogen-activated protein kinase (MAPK) pathways, respectively. In summary, this study has provided evidence demonstrating effective utilization of the normal stem cell renewal mechanisms by CSCs to promote oncogenesis and progression.

SUBMITTER: Ye T 

PROVIDER: S-EPMC6990901 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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<i>Cdh1</i> functions as an oncogene by inducing self-renewal of lung cancer stem-like cells via oncogenic pathways.

Ye Ting T   Li Jingyuan J   Sun Zhiwei Z   Liu Doudou D   Zeng Bin B   Zhao Qiting Q   Wang Jianyu J   Xing H Rosie HR  

International journal of biological sciences 20200101 3


The mortality rate of lung cancer remains the highest amongst all cancers despite of new therapeutic developments. While cancer stem cells (CSCs) may play a pivotal role in cancer, mechanisms underlying CSCs self-renewal and their relevance to cancer progression have not been clearly elucidated due to the lack of reliable and stable CSC cellular models. In the present study, we unveiled the novel oncogene function of cadherin 1 (<i>Cdh1</i>) via bioinformatic analysis in a broad spectrum of huma  ...[more]

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