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Copyright (c) 2024 Min Chen, Yahui Shen
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
The undersigned hereby assign all rights, included but not limited to copyright, for this manuscript to CMB Association upon its submission for consideration to publication on Cellular and Molecular Biology. The rights assigned include, but are not limited to, the sole and exclusive rights to license, sell, subsequently assign, derive, distribute, display and reproduce this manuscript, in whole or in part, in any format, electronic or otherwise, including those in existence at the time this agreement was signed. The authors hereby warrant that they have not granted or assigned, and shall not grant or assign, the aforementioned rights to any other person, firm, organization, or other entity. All rights are automatically restored to authors if this manuscript is not accepted for publication.Oridonin represses lung cancer cell proliferation and migration by modulating AFAP1-AS1/IGF2BP1
Corresponding Author(s) : Yahui Shen
Cellular and Molecular Biology,
Vol. 70 No. 6: Issue 6
Abstract
Oridonin belongs to a small molecule from the Chinese herb Rabdosia rubescens with potent anticancer activity. In spite of the lncRNA AFAP1-AS1 has been proven to exert promoting function in lung cancer, its relationship with oridonin in lung cancer is obscure. Therefore, our study planned to explore the potential of oridonin in lung cancer as well as unveil the regulatory mechanism of oridonin on AFAP1-AS1 in lung cancer cells. In the present study, oridonin inhibited lung cancer cell proliferation, migration, as well as invasion, as evidenced by MTT, wound healing, as well as transwell assays. Besides, we observed that oridonin could downregulate AFAP1-AS1 expression, and overexpressed AFAP1-AS1 could reverse the repressive effects of oridonin on lung cancer cell proliferation, migration, as well as invasion. More importantly, we found that AFAP1-AS1 could bind to IGF2BP1 through starBase prediction and RIP assay. The expression level of IGF2BP1 was also reduced by oridonin treatment but reversed after AFAP1-AS1 overexpression. Additionally, we proved that overexpressed IGF2BP1 could reverse the repressive impacts of oridonin on lung cancer cell proliferation, migration, as well as invasion. Further, in vivo experiments validated the repressive role of oridonin on tumor growth of lung cancer. Together, oridonin inhibits lung cancer cell proliferation as well as migration by modulating AFAP1-AS1/IGF2BP1, and AFAP1-AS1/IGF2BP1 possesses the potential to be a promising therapy targeting for lung cancer, especially in oridonin treatment.
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