Retinoids display anti-tumour activity on various cancer cells and therefore have been used as important therapeutic agents. However, adverse side effects and RA (retinoic acid) resistance limit further development and clinical application of retinoid-based therapeutic agents. We report in the present paper the identification of a natural marine product that activates RARs (RA receptors) with a chemical structure distinct from retinoids by high-throughput compound library screening. Luffariellolide was uncovered as a novel RAR agonist by inducing co-activator binding to these receptors in vitro, further inhibiting cell growth and regulating RAR target genes in various cancer cells. Structural and molecular studies unravelled a unique binding mode of this natural ligand to RARs with an unexpected covalent modification on the RAR. Functional characterization further revealed that luffariellolide displays chemotherapeutic potentials for overcoming RA resistance in colon cancer cells, suggesting that luffariellolide may represent a unique template for designing novel non-retinoid compounds with advantages over current RA drugs. Organizational Affiliation: State Key Laboratory for Cellular Stress Biology, School of Life Sciences, Xiamen University, Fujian 361005, China. Skripsi pai kualitatif pdf. Hide Full Abstract. ![]() The self-titled Nirvana greatest hits collection first released in 2002 has now been reissued on vinyl. It was included on ‘The Beavis & Butthead Experience’ and became the B-side to. Download free the weathering magazine issue 01 pdf writer free.
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