0000000000299432

AUTHOR

Orazio Nicolotti

showing 2 related works from this author

Anticancer potential of novel α,β-unsaturated γ-lactam derivatives targeting the PI3K/AKT signaling pathway.

2021

Abstract Six recently synthesized alkyl (Z)-2-(2-oxopyrrolidin-3-ylidene)acetates were evaluated for their potential as cytotoxic and anticancer agents. All compounds were tested in the ERα positive MCF-7, triple negative MDA-MB-231, and Her2+ SKBR-3 breast cancer cell lines. The most lipophilic derivatives, bearing the 4-isopropylphenyl (2) or 4-tert-butylphenyl (3) group at the γ-lactam nitrogen, proved to be cytotoxic against all the cancer cell lines tested (IC50 values ranging from 18 to 63 μM), exerting their greatest activity in SKBR-3 cells, with IC50 values of 33 and 18 μM, respectively. Biological studies showed that the cytotoxic effects of 2 and 3 are accompanied by apoptotic de…

0301 basic medicineLactamsCell SurvivalAntineoplastic AgentsApoptosisBreast NeoplasmsBiochemistry03 medical and health scienceschemistry.chemical_compoundPI3K/AKT signaling pathwayPhosphatidylinositol 3-Kinases0302 clinical medicinebreast cancerCytotoxic T cellHumansα-methylene-γ-lactamsαβ-unsaturated lactamsCytotoxicityPI3K/AKT/mTOR pathwayPhosphoinositide-3 Kinase InhibitorsPharmacologychemistry.chemical_classificationBiological ProductsMolecular StructureChemistryCell growthAkt/PKB signaling pathwayCell CycleEpithelial Cells030104 developmental biologyEnzymeGene Expression RegulationApoptosis030220 oncology & carcinogenesisCancer researchLactamcytotoxicityFemaleProto-Oncogene Proteins c-aktBiochemical pharmacology
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Harmonization of QSAR Best Practices and Molecular Docking Provides an Efficient Virtual Screening Tool for Discovering New G-Quadruplex Ligands

2015

Telomeres and telomerase are key players in tumorogenesis. Among the various strategies proposed for telomerase inhibition or telomere uncapping, the stabilization of telomeric G-quadruplex (G4) structures is a very promising one. Additionally, G4 stabilizing ligands also act over tumors mediated by the alternative elongation of telomeres. Accordingly, the discovery of novel compounds able to act on telomeres and/or inhibit the telomerase enzyme by stabilizing DNA telomeric G4 structures as well as the development of approaches efficiently prioritizing such compounds constitute active areas of research in computational medicinal chemistry and anticancer drug discovery. In this direction, we…

Quantitative structure–activity relationshipTelomeraseGeneral Chemical EngineeringDrug Evaluation PreclinicalQuantitative Structure-Activity RelationshipComputational biologyLibrary and Information SciencesBiologyG-quadruplexCrystallography X-RayLigandsMolecular Docking Simulationchemistry.chemical_compoundDrug DiscoveryHumansCell ProliferationGeneticsVirtual screeningMolecular StructureDrug discoveryQSARGeneral ChemistryFibroblastsTelomereComputer Science ApplicationsTelomereG-QuadruplexesMolecular Docking SimulationchemistryAcridinesDNAHeLa Cells
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