Targeting opsin4/melanopsin with a novel small molecule suppresses PKC/RAF/MEK/ERK signaling and inhibits lung adenocarcinoma progression

Qiushi Wang, Tianshun Zhang, Xiaoyu Chang, Keke Wang, Mee Hyun Lee, Wei Ya Ma, Kangdong Liu, Zigang Dong

Research output: Contribution to journalArticlepeer-review

Abstract

The identification of oncogenic biomolecules as drug targets is an unmet need for the development of clinically effective novel anticancer therapies. In this study, we report for the first time that opsin 4/melanopsin (OPN4) plays a critical role in the pathogenesis of non-small cell lung cancer (NSCLC) and is a potential drug target. Our study has revealed that OPN4 is overexpressed in human lung cancer tissues and cells, and is inversely correlated with patient survival probability. Knocking down expression of OPN4 suppressed cells growth and induced apoptosis in lung cancer cells. We have also found that OPN4, a G protein-coupled receptor, interacted with Ga11 and triggered the PKC/BRAF/MEK/ERKs signaling pathway in lung adenocarcinoma cells. Genetic ablation of OPN4 attenuated the multiplicity and the volume of urethane-induced lung tumors in mice. Importantly, our study provides the first report of AE 51310 (1-[(2,5-dichloro-4-methoxyphenyl) sulfonyl]-3-methylpiperidine) as a small-molecule inhibitor of OPN4, suppressed the anchorage-independent growth of lung cancer cells and the growth of patient-derived xenograft tumors in mice.

Original languageEnglish (US)
Pages (from-to)1028-1038
Number of pages11
JournalMolecular Cancer Research
Volume18
Issue number7
DOIs
StatePublished - Jul 1 2020

Bibliographical note

Funding Information:
This work was supported by the Hormel Foundation (to Z. Dong). The authors thank Tara Adams for supporting animal experiments (The Hormel Institute, University of Minnesota, Austin, MN).

Publisher Copyright:
© 2020 American Association for Cancer Research.

PubMed: MeSH publication types

  • Journal Article
  • Research Support, Non-U.S. Gov't

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