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Kuramarohit S, Yaourtis AM, Nguyen A, Wood ML, Levina A, Lay PA. Anti-Migratory and Cytotoxic Activities of [Ga(8-hydroxyquinolinato) 3 ]: Roles of Endogenous Cu(II) and Drug-Induced Phenotypic Changes. Chemistry 2023; 29:e202203323. [PMID: 37385951 DOI: 10.1002/chem.202203323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 06/22/2023] [Accepted: 06/22/2023] [Indexed: 07/01/2023]
Abstract
As shown by IncuCyte Zoom imaging proliferation assays, invasive triple-negative human breast MDA-MB-231 cancer cells treated with sub-toxic doses (5.0-20 μM, 72 h) of [GaQ3 ] (Q=8-hydroxyquinolinato) caused profound morphological changes and inhibition of cell migration, which were likely due to terminal cell differentiation or similar phenotypical change. This is the first demonstration of potential use of a metal complex in differentiation anti-cancer therapy. Additionally, a trace amount of Cu(II) (0.20 μM) added to the medium dramatically increased [GaQ3 ] cytotoxicity (IC50 ~2 μM, 72 h) due to its partial dissociation and the action of the HQ ligand as a Cu(II) ionophore, as shown with electrospray mass spectrometry and fluorescence spectroscopy assays in the medium. Hence, cytotoxicity of [GaQ3 ] is strongly linked to ligand binding of essential metal ions in the medium, for example, Cu(II). Appropriate delivery mechanisms of such complexes and their ligands could enable a powerful new triple therapeutic approach for cancer chemotherapy, including cytotoxicity against primary tumour, arrest of metastases, and activation of innate and adaptive immune responses.
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Affiliation(s)
- Serene Kuramarohit
- School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia
- University of California, Berkeley, USA
| | - Andria M Yaourtis
- School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia
| | - Annie Nguyen
- School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia
| | - Michelle L Wood
- School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia
- Sydney Analytical, The University of Sydney, Sydney, NSW 2006, Australia
| | - Aviva Levina
- School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia
| | - Peter A Lay
- School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia
- Sydney Analytical, The University of Sydney, Sydney, NSW 2006, Australia
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Omondi RO, Sibuyi NRS, Fadaka AO, Meyer M, Jaganyi D, Ojwach SO. Role of π-conjugation on the coordination behaviour, substitution kinetics, DNA/BSA interactions, and in vitro cytotoxicity of carboxamide palladium(II) complexes. Dalton Trans 2021; 50:8127-8143. [PMID: 34027534 DOI: 10.1039/d1dt00412c] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Treatments of N-(pyridin-2-ylmethyl)pyrazine-2-carboxamide (L1), N-(quinolin-8-yl)pyrazine-2-carboxamide (L2), N-(quinolin-8-yl)picolinamide (L3) and N-(quinolin-8-yl)quinoline-2-carboxamide (L4) with [PdCl2(NCMe)]2 afforded the corresponding Pd(ii) complexes, [Pd(L1)Cl] (PdL1); [Pd(L2)Cl] (PdL2); [Pd(L3)Cl] (PdL3); and [Pd(L4)Cl] (PdL4) in moderate yields. Structural characterisation of the compounds was achieved by NMR and FT-IR spectroscopies, elemental analyses and single crystal X-ray crystallography. The solid-state structures of complexes PdL2-PdL4 established the presence of one tridentate carboxamide and Cl ligands around the Pd(ii) coordination sphere, to give distorted square planar complexes. Electrochemical investigations of PdL1-PdL4 showed irreversible one-electron oxidation reactions. Kinetics reactivity of the complexes towards bio-molecules, thiourea (Tu), l-methionine (L-Met) and guanosine 5'-diphosphate disodium salt (5'-GMP) decreased in the order: PdL1 > PdL2 > PdL3 > PdL4, in tandem with the density functional theory (DFT) data. The complexes bind favourably to calf thymus (CT-DNA), and bovine serum albumin (BSA), and the order of their interactions agrees with the substitution kinetics trends. The in vitro cytotoxic activities of PdL1-PdL4 were examined in cancer cell lines A549, PC-3, HT-29, Caco-2, and HeLa, and a normal cell line, KMST-6. Overall, PdL1 and PdL3 displayed potent cytotoxic effects on A549, PC-3 HT-29 and Caco-2 comparable to cisplatin. All the investigated complexes exhibited lower toxicity on normal cells than cisplatin.
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Affiliation(s)
- Reinner O Omondi
- School of Chemistry and Physics, University of KwaZulu-Natal, Private Bag X01, Scottsville, Pietermaritzburg 3209, South Africa.
| | - Nicole R S Sibuyi
- Department of Biotechnology, University of the Western Cape, Bag X17, Bellville, 7535, Cape Town, South Africa
| | - Adewale O Fadaka
- Department of Biotechnology, University of the Western Cape, Bag X17, Bellville, 7535, Cape Town, South Africa
| | - Mervin Meyer
- Department of Biotechnology, University of the Western Cape, Bag X17, Bellville, 7535, Cape Town, South Africa
| | - Deogratius Jaganyi
- School of Pure and Applied Sciences, Mount Kenya University, P.O. Box 342-01000, Thika, Kenya and Department of Chemistry, Faculty of Applied Sciences, Durban University of Technology, P.O. Box 1334, Durban 4000, South Africa
| | - Stephen O Ojwach
- School of Chemistry and Physics, University of KwaZulu-Natal, Private Bag X01, Scottsville, Pietermaritzburg 3209, South Africa.
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Review of comparative studies of cytotoxic activities of Pt(II), Pd(II), Ru(II)/(III) and Au(III) complexes, their kinetics of ligand substitution reactions and DNA/BSA interactions. Inorganica Chim Acta 2020. [DOI: 10.1016/j.ica.2020.119883] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Liang J, Levina A, Jia J, Kappen P, Glover C, Johannessen B, Lay PA. Reactivity and Transformation of Antimetastatic and Cytotoxic Rhodium(III)–Dimethyl Sulfoxide Complexes in Biological Fluids: An XAS Speciation Study. Inorg Chem 2019; 58:4880-4893. [DOI: 10.1021/acs.inorgchem.8b03477] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Jun Liang
- School of Chemistry, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Aviva Levina
- School of Chemistry, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Junteng Jia
- School of Chemistry, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Peter Kappen
- Australian Synchrotron, ANSTO, 800 Blackburn Road, Clayton, Victoria 3168, Australia
| | - Chris Glover
- Australian Synchrotron, ANSTO, 800 Blackburn Road, Clayton, Victoria 3168, Australia
| | - Bernt Johannessen
- Australian Synchrotron, ANSTO, 800 Blackburn Road, Clayton, Victoria 3168, Australia
| | - Peter A. Lay
- School of Chemistry, The University of Sydney, Sydney, New South Wales 2006, Australia
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Levina A, Crans DC, Lay PA. Speciation of metal drugs, supplements and toxins in media and bodily fluids controls in vitro activities. Coord Chem Rev 2017. [DOI: 10.1016/j.ccr.2017.01.002] [Citation(s) in RCA: 112] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
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Markham J, Liang J, Levina A, Mak R, Johannessen B, Kappen P, Glover CJ, Lai B, Vogt S, Lay PA. (Pentamethylcyclopentadienato)rhodium Complexes for Delivery of the Curcumin Anticancer Drug. Eur J Inorg Chem 2017. [DOI: 10.1002/ejic.201601331] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Jack Markham
- School of Chemistry; The University of Sydney; 2006 NSW Australia
| | - Jun Liang
- School of Chemistry; The University of Sydney; 2006 NSW Australia
| | - Aviva Levina
- School of Chemistry; The University of Sydney; 2006 NSW Australia
| | - Rachel Mak
- School of Chemistry; The University of Sydney; 2006 NSW Australia
| | | | - Peter Kappen
- Australian Synchrotron; 800 Blackburn Rd 3168 Clayton VIC Australia
| | - Chris J. Glover
- Australian Synchrotron; 800 Blackburn Rd 3168 Clayton VIC Australia
| | - Barry Lai
- Advanced Photon Source, Building 401; Argonne National Laboratory; 9700 South Cass Ave 60439 Lemont IL USA
| | - Stefan Vogt
- Advanced Photon Source, Building 401; Argonne National Laboratory; 9700 South Cass Ave 60439 Lemont IL USA
| | - Peter A. Lay
- School of Chemistry; The University of Sydney; 2006 NSW Australia
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