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Ref Type Journal Article
PMID (27760835)
Authors Wu M, Huang J, Zhang J, Benes C, Jiao B, Ren R
Title N-Arachidonoyl Dopamine Inhibits NRAS Neoplastic Transformation by Suppressing Its Plasma Membrane Translocation.
Journal Molecular cancer therapeutics
Vol 16
Issue 1
Date 2017 Jan
Abstract Text RAS oncogenic mutations are common in human cancers, but RAS proteins have been difficult to target. We sought to identify pharmacological agents to block RAS oncogenic signaling by a distinct mechanism. Because the biological activity of RAS proteins relies upon lipid modifications and RAS regulates lipid metabolisms in cancer cells, we screened a bioactive lipid library using a RAS-specific cell viability assay. We report the discovery of a new class of inhibitors for RAS transformation. Compounds in the class represented by endocannabinoid N-arachidonoyl dopamine (NADA) can induce cell oncosis, independent of its ability to engage cannabinoid receptors. Further analyses show that NADA is more active in inhibiting the NRAS transformation and signaling than that of KRAS4B. Mechanistically, NADA blocks the plasma membrane translocation of NRAS, but not that of KRAS4B. In addition, NADA inhibits plasma membrane translocation and neoplastic transformation of oncogenic KRAS4A. Interestingly, NADA also redistributes the cytoplasmic NRAS to the Golgi apparatus in a palmitoylation-dependent manner. The results indicate that NADA inhibits NRAS and KRAS4A plasma membrane translocation by targeting a novel molecular process. The new findings would help to develop novel targeted therapies for a broad range of human cancers. Mol Cancer Ther; 16(1); 57-67. ©2016 AACR.


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Molecular Profile Treatment Approach
Gene Name Source Synonyms Protein Domains Gene Description Gene Role
Therapy Name Drugs Efficacy Evidence Clinical Trials
N-Arachidonoyl Dopamine N-Arachidonoyl Dopamine 1 0
Drug Name Trade Name Synonyms Drug Classes Drug Description
N-Arachidonoyl Dopamine NADA N-Arachidonoyl Dopamine (NADA) is an endocannabinoid that inhibits translocation of RAS proteins to the cellular membrane, thereby reducing RAS signaling and potentially inhibiting growth of RAS-dependent tumor cells (PMID: 27760835).
Gene Variant Impact Protein Effect Variant Description Associated with drug Resistance
Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
NRAS G12D Advanced Solid Tumor sensitive N-Arachidonoyl Dopamine Preclinical - Cell culture Actionable In a preclinical study, N-Arachidonoyl Dopamine (NADA) disrupted NRAS protein membrane localization and decreased NRAS downstream signaling, and inhibited proliferation and induced cell death in transformed cells expressing NRAS G12D in culture (PMID: 27760835). 27760835