ArticleChembiochem : a European journal of chemical biology2025
Synthesis and Preliminary Evaluation of Tanshinone Mimic Conjugates for Mechanism of Action Studies.
Article in Chembiochem : a European journal of chemical biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Synthesis and Preliminary Evaluation of Tanshinone Mimic Conjugates for Mechanism of Action Studies.Chembiochem : a European journal of chemical biology · 2025Article
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6 authors.
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Abstract
Human antigen R (HuR) is an RNA binding protein (RBP) belonging to the ELAV (Embryonic Lethal Abnormal Vision) family, which stabilizes mRNAs and regulates the expression of multiple genes. Its altered expression or localization is related to pathological features such as cancer or inflammation. Dihydrotanshinone I (DHTS I) is a naturally occurring, tetracyclic ortho-quinone inhibitor of the HuR-mRNA interaction. Our earlier efforts led to the identification of a synthetic Tanshinone Mimic (TM) 2 with improved affinity for HuR. Here we report five new TM probes 3-5 bearing a detection-promoting moiety (either photo affinity probe - PAP or biotin) as a para-substituent on the phenyl-sulphonamide for mechanism of action (MoA) studies. Biological and biochemical assays were used to characterize the novel TM conjugates 3-5. They showed similar toxic activity in HuR-expressing triple-negative breast cancer MDA-MB-231 cells, with micromolar CC
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