Search results for "Magnolia officinalis"

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Cytotoxicity of the bisphenolic honokiol from Magnolia officinalis against multiple drug-resistant tumor cells as determined by pharmacogenomics and …

2014

A main problem in oncology is the development of drug-resistance. Some plant-derived lignans are established in cancer therapy, e.g. the semisynthetic epipodophyllotoxins etoposide and teniposide. Their activity is, unfortunately, hampered by the ATP-binding cassette (ABC) efflux transporter, P-glycoprotein. Here, we investigated the bisphenolic honokiol derived from Magnolia officinalis. P-glycoprotein-overexpressing CEM/ADR5000 cells were not cross-resistant to honokiol, but MDA-MB-231 BRCP cells transfected with another ABC-transporter, BCRP, revealed 3-fold resistance. Further drug resistance mechanisms analyzed study was the tumor suppressor TP53 and the epidermal growth factor recepto…

HonokiolATP Binding Cassette Transporter Subfamily BPharmaceutical ScienceBiologyPharmacologyLignanschemistry.chemical_compoundGefitinibCell Line TumorDrug DiscoverymedicineATP Binding Cassette Transporter Subfamily G Member 2HumansEpidermal growth factor receptorCytotoxicityPI3K/AKT/mTOR pathwayOligonucleotide Array Sequence AnalysisPharmacologyBiphenyl CompoundsTransfectionbiology.organism_classificationAntineoplastic Agents PhytogenicDrug Resistance MultipleNeoplasm ProteinsErbB ReceptorsMolecular Docking SimulationMagnolia officinalisComplementary and alternative medicinechemistryDrug Resistance NeoplasmMagnoliaPharmacogeneticsbiology.proteinMolecular MedicineATP-Binding Cassette TransportersErlotinibTumor Suppressor Protein p53Transcriptomemedicine.drugSignal TransductionPhytomedicine : international journal of phytotherapy and phytopharmacology
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