Palladium(II) and platinum(II) thiophene-based thiosemicarbazones: Synthesis, properties, and anticancer studies

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Autor(es): dc.contributorUniversidade Federal de São Carlos (UFSCar)-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorPontifícia Universidade Católica do Rio de Janeiro - PUC-Rio-
Autor(es): dc.contributorParque Científico y Tecnológico Cartuja-
Autor(es): dc.creatorOliveira, Gabriela P.-
Autor(es): dc.creatorLima, Mauro A.-
Autor(es): dc.creatorPereira, George B.S.-
Autor(es): dc.creatorCosta, Analu R.-
Autor(es): dc.creatorBatista, Alzir A.-
Autor(es): dc.creatorForim, Moacir R.-
Autor(es): dc.creatorCominetti, Marcia R.-
Autor(es): dc.creatorZanetti, Renan D.-
Autor(es): dc.creatorFarias, Renan L.-
Autor(es): dc.creatorNetto, Adelino V.G.-
Autor(es): dc.creatorAraujo-Neto, João H.-
Autor(es): dc.creatorEllena, Javier A.-
Autor(es): dc.creatorOlmedo-Moreno, Laura-
Autor(es): dc.creatorCapilla-Gonzalez, Vivian-
Autor(es): dc.creatorRocha, Fillipe V.-
Data de aceite: dc.date.accessioned2025-08-21T17:32:09Z-
Data de disponibilização: dc.date.available2025-08-21T17:32:09Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2025-02-14-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.molstruc.2024.140306-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/303271-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/303271-
Descrição: dc.descriptionThe aim of this study was to synthesize and investigate the cytotoxic profile of four palladium(II) and two platinum(II) complexes containing thiosemicarbazones derived from thiophene against tumor cells. They were fully characterized by various analytical techniques, including 1H, 13C{1H}, 31P{1H}, 135DEPT NMR, IR, UV–vis, X-ray diffraction, molar conductivity, and theoretical. Several techniques were used to evaluate the interaction of the complexes with DNA, such as gel electrophoresis, UV–vis spectroscopy, circular dichroism, viscosity measurements, fluorescence assay with Hoescht 33,258, and molecular docking. The results indicated that the complexes exhibited electrostatic and/or groove interaction with DNA, but only at high concentrations (100 µM). In vitro, cytotoxicity assays were performed using the MTT method, and the palladium(II) complexes showed remarkable cytotoxic activity against A549 and A2780cis cell lines. In particular, the PdT compound showed cytostatic behavior against the A549 tumor line, while the PdCH3 compound showed cytotoxic behavior against the A2780cis line. Further investigation of the most promising compound, PdCH3, in A2780cis revealed that it induced apoptosis by promoting cell accumulation in the sub-G1 phase and causing partial mitochondrial membrane depolarization. In addition, this complex significantly inhibited colony formation, leading to significant changes in cell morphology. However, no inhibition of cell migration was observed in the 3D cell model of DAOY cells. These findings provide valuable insights and structural features for the design of selective palladium complexes targeting ovarian tumor cells (A2780cis). The study highlights the potential of these complexes as cytotoxic agents against specific cancer cell lines, paving the way for future advances in medicinal chemistry research.-
Descrição: dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionDepartamento de Química Universidade Federal de São Carlos – UFSCar, CP 676, CEP 13561-901, SP-
Descrição: dc.descriptionDepartamento de Gerontologia Universidade Federal de São Carlos – UFSCar, CP 676, CEP 13561-901, SP-
Descrição: dc.descriptionInstituto de Física de São Carlos Universidade de São Paulo – USP, CP 369, CEP 13560-970, SP-
Descrição: dc.descriptionUNESP – Univ Estadual Paulista Institute of Chemistry Department of Analytical Physical Chemistry and Inorganic Chemistry, SP-
Descrição: dc.descriptionDepartamento de Química Pontifícia Universidade Católica do Rio de Janeiro - PUC-Rio, CEP: 22451-900, RJ-
Descrição: dc.descriptionDepartamento de Química Fundamental do Instituto de Química da Universidade de São Paulo (IQ-USP), SP-
Descrição: dc.descriptionCentro Andaluz de Biología Molecular y Medicina Regenerativa (CABIMER) Parque Científico y Tecnológico Cartuja, Sevilla-
Descrição: dc.descriptionUNESP – Univ Estadual Paulista Institute of Chemistry Department of Analytical Physical Chemistry and Inorganic Chemistry, SP-
Idioma: dc.languageen-
Relação: dc.relationJournal of Molecular Structure-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectComplexes-
Palavras-chave: dc.subjectCytotoxicity-
Palavras-chave: dc.subjectCâncer-
Palavras-chave: dc.subjectThiophene-
Palavras-chave: dc.subjectThiosemicarbazones-
Título: dc.titlePalladium(II) and platinum(II) thiophene-based thiosemicarbazones: Synthesis, properties, and anticancer studies-
Tipo de arquivo: dc.typelivro digital-
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