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Santos JAV, Silva D, Marques MPM, Batista de Carvalho LAE. Platinum-based chemotherapy: trends in organic nanodelivery systems. NANOSCALE 2024; 16:14640-14686. [PMID: 39037425 DOI: 10.1039/d4nr01483a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/23/2024]
Abstract
Despite the investment in platinum drugs research, cisplatin, carboplatin and oxaliplatin are still the only Pt-based compounds used as first line treatments for several cancers, with a few other compounds being approved for administration in some Asian countries. However, due to the severe and worldwide impact of oncological diseases, there is an urge for improved chemotherapeutic approaches. Furthermore, the pharmaceutical application of platinum complexes is hindered by their inherent toxicity and acquired resistance. Nanodelivery systems rose as a key strategy to overcome these challenges, with recognized versatility and ability towards improving the safety, bioavailability and efficacy of the available drugs. Among the known nanocarriers, organic systems have been widely applied, taking advantage of their potential as drug vehicles. Researchers have mainly focused on the development of lipidic and polymeric carriers, including supramolecular structures, with an overall improvement of encapsulated platinum complexes. Herein, an overview of recent trends and strategies is presented, with the main focus on the encapsulation of platinum compounds into organic nanocarriers, showcasing the evolution in the design and development of these promising systems. This comprehensive review highlights formulation methods as well as characterization procedures, providing insights that may be helpful for the development of novel platinum nanocarriers aiming at future pharmaceutical applications.
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Affiliation(s)
- João A V Santos
- Molecular Physical-Chemistry R&D Unit, Department of Chemistry, University of Coimbra, 3004-535 Coimbra, Portugal.
| | - Daniela Silva
- Molecular Physical-Chemistry R&D Unit, Department of Chemistry, University of Coimbra, 3004-535 Coimbra, Portugal.
| | - Maria Paula M Marques
- Molecular Physical-Chemistry R&D Unit, Department of Chemistry, University of Coimbra, 3004-535 Coimbra, Portugal.
- Department of Life Sciences, University of Coimbra, 3000-456 Coimbra, Portugal
| | - Luís A E Batista de Carvalho
- Molecular Physical-Chemistry R&D Unit, Department of Chemistry, University of Coimbra, 3004-535 Coimbra, Portugal.
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Pan B, Li Y, Han H, Zhang L, Hu X, Pan Y, Peng Z. FoxG1/BNIP3 axis promotes mitophagy and blunts cisplatin resistance in osteosarcoma. Cancer Sci 2024; 115:2565-2577. [PMID: 38932521 PMCID: PMC11309937 DOI: 10.1111/cas.16242] [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: 03/13/2024] [Revised: 05/19/2024] [Accepted: 05/27/2024] [Indexed: 06/28/2024] Open
Abstract
Cisplatin (CDDP) is a commonly used chemotherapeutic for osteosarcoma (OS) patients, and drug resistance remains as a major hurdle to undermine the treatment outcome. Here, we investigated the potential involvement of FoxG1 and BNIP3 in CDDP resistance of OS cells. FoxG1 and BNIP3 expression levels were detected in the CDDP-sensitive and CDDP-resistant OS tumors and cell lines. Mitophagy was observed through transmission electron microscope analysis. The sensitivity to CDDP in OS cells upon FoxG1 overexpression was examined in cell and animal models. We found that FoxG1 and BNIP3 showed significant downregulation in the CDDP-resistant OS tumor samples and cell lines. CDDP-resistant OS tumor specimens and cells displayed impaired mitophagy. FoxG1 overexpression promoted BNIP3 expression, enhanced mitophagy in CDDP-resistant OS cells, and resensitized the resistant cells to CDDP treatment in vitro and in vivo. Our data highlighted the role of the FoxG1/BNIP3 axis in regulating mitophagy and dictating CDDP resistance in OS cells, suggesting targeting FoxG1/BNIP3-dependent mitophagy as a potential strategy to overcome CDDP resistance in OS.
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Affiliation(s)
- Baolong Pan
- Health Examination CenterSixth Affiliated Hospital of Kunming Medical UniversityYuxiYunnanChina
| | - Yan Li
- Department of NeuroendocrineYuxi Children's HospitalYuxiYunnanChina
| | - Huiyun Han
- Department of PharmacyKunming Children's HospitalKunmingYunnanChina
| | - Lu Zhang
- Department of Asset ManagementThird Affiliated Hospital of Kunming Medical UniversityKunmingYunnanChina
| | - Xuemei Hu
- Health Examination CenterSixth Affiliated Hospital of Kunming Medical UniversityYuxiYunnanChina
| | - Yanyu Pan
- College of Basic Medical SciencesNaval Medical UniversityShanghaiChina
| | - Zhuohui Peng
- Second Department of OrthopedicsThird Affiliated Hospital of Kunming Medical UniversityKunmingYunnanChina
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3
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Moghbeli M. MicroRNAs as the pivotal regulators of cisplatin resistance in osteosarcoma. Pathol Res Pract 2023; 249:154743. [PMID: 37549518 DOI: 10.1016/j.prp.2023.154743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 08/03/2023] [Indexed: 08/09/2023]
Abstract
Osteosarcoma (OS) is an aggressive bone tumor that originates from mesenchymal cells. It is considered as the eighth most frequent childhood cancer that mainly affects the tibia and femur among the teenagers and young adults. OS can be usually diagnosed by a combination of MRI and surgical biopsy. The intra-arterial cisplatin (CDDP) and Adriamycin is one of the methods of choices for the OS treatment. CDDP induces tumor cell death by disturbing the DNA replication. Although, CDDP has a critical role in improving the clinical complication in OS patients, a high ratio of CDDP resistance is observed among these patients. Prolonged CDDP administrations have also serious side effects in normal tissues and organs. Therefore, the molecular mechanisms of CDDP resistance should be clarified to define the novel therapeutic modalities in OS. Multidrug resistance (MDR) can be caused by various cellular and molecular processes such as drug efflux, detoxification, and signaling pathways. MicroRNAs (miRNAs) are the key regulators of CDDP response by the post transcriptional regulation of target genes involved in MDR. In the present review we have discussed all of the miRNAs associated with CDDP response in OS cells. It was observed that the majority of reported miRNAs increased CDDP sensitivity in OS cells through the regulation of signaling pathways, apoptosis, transporters, and autophagy. This review highlights the miRNAs as reliable non-invasive markers for the prediction of CDDP response in OS patients.
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Affiliation(s)
- Meysam Moghbeli
- Department of Medical Genetics and Molecular Medicine, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; Medical Genetics Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
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Zhang Y, Lou J, Williams GR, Ye Y, Ren D, Shi A, Wu J, Chen W, Zhu LM. Cu2+-Chelating Mesoporous Silica Nanoparticles for Synergistic Chemotherapy/Chemodynamic Therapy. Pharmaceutics 2022; 14:pharmaceutics14061200. [PMID: 35745773 PMCID: PMC9229203 DOI: 10.3390/pharmaceutics14061200] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 05/22/2022] [Accepted: 05/30/2022] [Indexed: 02/01/2023] Open
Abstract
In this study, a pH-responsive controlled-release mesoporous silica nanoparticle (MSN) formulation was developed. The MSNs were functionalized with a histidine (His)-tagged targeting peptide (B3int) through an amide bond, and loaded with an anticancer drug (cisplatin (CP)) and a lysosomal destabilization mediator (chloroquine (CQ)). Cu2+ was then used to seal the pores of the MSNs via chelation with the His-tag. The resultant nanoparticles showed pH-responsive drug release, and could effectively target tumor cells via the targeting effect of B3int. The presence of CP and Cu2+ permits reactive oxygen species to be generated inside cells; thus, the chemotherapeutic effect of CP is augmented by chemodynamic therapy. In vitro and in vivo experiments showed that the nanoparticles are able to effectively kill tumor cells. An in vivo cancer model revealed that the nanoparticles increase apoptosis in tumor cells, and thereby diminish the tumor volume. No off-target toxicity was noted. It thus appears that the functionalized MSNs developed in this work have great potential for targeted, synergistic anticancer therapies.
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Affiliation(s)
- Yanyan Zhang
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China; (Y.Z.); (J.L.); (Y.Y.); (D.R.)
| | - Jiadong Lou
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China; (Y.Z.); (J.L.); (Y.Y.); (D.R.)
| | - Gareth R. Williams
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK;
| | - Yuhan Ye
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China; (Y.Z.); (J.L.); (Y.Y.); (D.R.)
| | - Dandan Ren
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China; (Y.Z.); (J.L.); (Y.Y.); (D.R.)
| | - Anhua Shi
- The Key Laboratory of Microcosmic Syndrome Differentiation, Education Department of Yunnan, Yunnan University of Chinese Medicine, Kunming 650500, China; (A.S.); (J.W.)
| | - Junzi Wu
- The Key Laboratory of Microcosmic Syndrome Differentiation, Education Department of Yunnan, Yunnan University of Chinese Medicine, Kunming 650500, China; (A.S.); (J.W.)
| | - Wenling Chen
- School of Clinical Medicine, Yunnan University of Chinese Medicine, Kunming 650500, China
- Correspondence: (W.C.); (L.-M.Z.)
| | - Li-Min Zhu
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China; (Y.Z.); (J.L.); (Y.Y.); (D.R.)
- Correspondence: (W.C.); (L.-M.Z.)
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Dorafshan Tabatabai AS, Dehghanian E, Mansouri-Torshizi H. Probing the interaction of new and biologically active Pd(II) complex with DNA/BSA via joint experimental and computational studies along with thermodynamic, NLO, FMO and NBO analysis. Biometals 2022; 35:245-266. [PMID: 35039973 DOI: 10.1007/s10534-022-00362-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 01/06/2022] [Indexed: 01/09/2023]
Abstract
Treatment with transition metal complexes is an efficient method to fight with cancer. Therefore, a new transition metal complex formulated as [Pd(1, 3-pn)(acac)]Cl (pn and acac stand for propylendiamine and acetylacetonate, respectively) was synthesized and analyzed using 1H NMR, Fourier transform infrared, electronic absorption spectroscopy techniques as well as elemental analysis and conductivity measurement. The geometry optimization, frontier molecular orbital (FMO) analysis, molecular electrostatic potential (MEP), natural bond orbital (NBO) analysis and nonlinear optical (NLO) property were accomplished by density functional theory (DFT) at B3LYP level with 6-311G(d,p)/aug-cc-pVTZ-PP basis set. Preliminary determination of antitumor activity and lipophilicity of this metal complex was performed experimentally and the promising results were obtained. This encouraged us to study the interaction and binding mode/modes of this complex with DNA as the primary receptor for the chemotropic drugs and BSA as the transporter protein in the circulatory system. For this reason, the binding of newly made complex was assessed in-vitro under physiological state using experimental and in-silico molecular modeling studies. So, the CT-DNA binding study of this complex was explored using spectrofluorometric as well as spectrophotometric techniques, viscosity and gel electrophoresis experiments. Furthermore, fluorescence, UV-Vis, F[Formula: see text]rster resonance energy transfer and circular dichroism studies were carried out for BSA binding. The experimental and computational interaction studies showed that [Pd(1, 3-pn)(acac)]Cl complex binds to the minor groove of CT-DNA and interacts with BSA by van der Waals forces and hydrogen bond.
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Affiliation(s)
| | - Effat Dehghanian
- Department of Chemistry, University of Sistan and Baluchestan, Zahedan, Iran.
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Ghini V, Magherini F, Massai L, Messori L, Turano P. Comparative NMR metabolomics of the responses of A2780 human ovarian cancer cells to clinically established Pt-based drugs. Dalton Trans 2022; 51:12512-12523. [DOI: 10.1039/d2dt02068h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Pt-based drugs play a very important role in current cancer treatments; yet, their cellular and mechanistic aspects are not fully understood. NMR metabolomics provides a powerful tool to investigate the...
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Liu Y, Zhu K, Guan X, Xie S, Wang Y, Tong Y, Guo L, Zheng H, Lu R. TTK is a potential therapeutic target for cisplatin-resistant ovarian cancer. J Ovarian Res 2021; 14:128. [PMID: 34598710 PMCID: PMC8487155 DOI: 10.1186/s13048-021-00884-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 09/19/2021] [Indexed: 12/17/2022] Open
Abstract
Background Drug resistance and recurrence are main contributors to the poor prognosis of ovarian cancer. Cisplatin is a platinum compound which is widely used in the treatment of various solid tumors including ovarian cancer. Up to now, the mechanism of cisplatin resistance in ovarian cancer is unclear. Threonine and tyrosine kinase (TTK), an integral part of the spindle assembly checkpoint, may be a potential new target associated with chemotherapy sensitivity. Results TTK was up-regulated in the cisplatin-resistant ovarian cancer cell line. Down-regulation of TTK could recover the sensitivity of cisplatin-resistant ovarian cancer cells to cisplatin treatment. Mechanistically, the PI3K/AKT signaling pathway was activated in cisplatin-resistant cells, and this pathway would be affected by TTK expression. Furthermore, TTK was highly expressed in the tissues of ovarian cancer patients, especially those acquired resistance to cisplatin. Conclusions Our study revealed that TTK may be a promising therapeutic target for cisplatin-resistant ovarian cancer. Supplementary Information The online version contains supplementary material available at 10.1186/s13048-021-00884-z.
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Affiliation(s)
- Yixuan Liu
- Department of Clinical Laboratory, Fudan University Shanghai Cancer Center, No.270, Dong'An Road, Xuhui District, Shanghai, 200032, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.,Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, China
| | - Keyu Zhu
- Department of Clinical Laboratory, Fudan University Shanghai Cancer Center, No.270, Dong'An Road, Xuhui District, Shanghai, 200032, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Xiaolin Guan
- Department of Clinical Laboratory, Fudan University Shanghai Cancer Center, No.270, Dong'An Road, Xuhui District, Shanghai, 200032, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Suhong Xie
- Department of Clinical Laboratory, Fudan University Shanghai Cancer Center, No.270, Dong'An Road, Xuhui District, Shanghai, 200032, China
| | - Yanchun Wang
- Department of Clinical Laboratory, Fudan University Shanghai Cancer Center, No.270, Dong'An Road, Xuhui District, Shanghai, 200032, China
| | - Ying Tong
- Department of Clinical Laboratory, Fudan University Shanghai Cancer Center, No.270, Dong'An Road, Xuhui District, Shanghai, 200032, China
| | - Lin Guo
- Department of Clinical Laboratory, Fudan University Shanghai Cancer Center, No.270, Dong'An Road, Xuhui District, Shanghai, 200032, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Hui Zheng
- Department of Clinical Laboratory, Fudan University Shanghai Cancer Center, No.270, Dong'An Road, Xuhui District, Shanghai, 200032, China.
| | - Renquan Lu
- Department of Clinical Laboratory, Fudan University Shanghai Cancer Center, No.270, Dong'An Road, Xuhui District, Shanghai, 200032, China. .,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.
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Nuez-Martínez M, Pedrosa L, Martinez-Rovira I, Yousef I, Diao D, Teixidor F, Stanzani E, Martínez-Soler F, Tortosa A, Sierra À, Gonzalez JJ, Viñas C. Synchrotron-Based Fourier-Transform Infrared Micro-Spectroscopy (SR-FTIRM) Fingerprint of the Small Anionic Molecule Cobaltabis(dicarbollide) Uptake in Glioma Stem Cells. Int J Mol Sci 2021; 22:9937. [PMID: 34576098 PMCID: PMC8466526 DOI: 10.3390/ijms22189937] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/07/2021] [Accepted: 09/10/2021] [Indexed: 12/16/2022] Open
Abstract
The anionic cobaltabis (dicarbollide) [3,3'-Co(1,2-C2B9H11)2]-, [o-COSAN]-, is the most studied icosahedral metallacarborane. The sodium salts of [o-COSAN]- could be an ideal candidate for the anti-cancer treatment Boron Neutron Capture Therapy (BNCT) as it possesses the ability to readily cross biological membranes thereby producing cell cycle arrest in cancer cells. BNCT is a cancer therapy based on the potential of 10B atoms to produce α particles that cross tissues in which the 10B is accumulated without damaging the surrounding healthy tissues, after being irradiated with low energy thermal neutrons. Since Na[o-COSAN] displays a strong and characteristic ν(B-H) frequency in the infrared range 2.600-2.500 cm-1, we studied the uptake of Na[o-COSAN] followed by its interaction with biomolecules and its cellular biodistribution in two different glioma initiating cells (GICs), mesenchymal and proneural respectively, by using Synchrotron Radiation-Fourier Transform Infrared (FTIR) micro-spectroscopy (SR-FTIRM) facilities at the MIRAS Beamline of ALBA synchrotron light source. The spectroscopic data analysis from the bands in the regions of DNA, proteins, and lipids permitted to suggest that after its cellular uptake, Na[o-COSAN] strongly interacts with DNA strings, modifies proteins secondary structure and also leads to lipid saturation. The mapping suggests the nuclear localization of [o-COSAN]-, which according to reported Monte Carlo simulations may result in a more efficient cell-killing effect compared to that in a uniform distribution within the entire cell. In conclusion, we show pieces of evidence that at low doses, [o-COSAN]- translocates GIC cells' membranes and it alters the physiology of the cells, suggesting that Na[o-COSAN] is a promising agent to BNCT for glioblastoma cells.
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Affiliation(s)
- Miquel Nuez-Martínez
- Institut de Ciència de Materials de Barcelona, ICMAB-CSIC, Campus Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain; (M.N.-M.); (F.T.)
| | - Leire Pedrosa
- Laboratory of Experimental Oncological Neurosurgery, Neurosurgery Service, Hospital Clinic de Barcelona—FCRB, 08036 Barcelona, Spain; (L.P.); (D.D.); (J.J.G.)
| | - Immaculada Martinez-Rovira
- Ionizing Radiation Research Group (GRRI), Physics Department, Universitat Autònoma de Barcelona (UAB), Avinguda de l’Eix Central, Edifici C. Campus de la UAB, 08193 Cerdanyola del Vallès, Spain;
- ALBA-CELLS Synchrotron, MIRAS Beamline, Carrer de la Llum 2-26, 08290 Cerdanyola del Vallès, Spain;
| | - Ibraheem Yousef
- ALBA-CELLS Synchrotron, MIRAS Beamline, Carrer de la Llum 2-26, 08290 Cerdanyola del Vallès, Spain;
| | - Diouldé Diao
- Laboratory of Experimental Oncological Neurosurgery, Neurosurgery Service, Hospital Clinic de Barcelona—FCRB, 08036 Barcelona, Spain; (L.P.); (D.D.); (J.J.G.)
| | - Francesc Teixidor
- Institut de Ciència de Materials de Barcelona, ICMAB-CSIC, Campus Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain; (M.N.-M.); (F.T.)
| | - Elisabetta Stanzani
- Laboratory of Pharmacology and Brain Pathology, IRCCS Humanitas Research Hospital, 20089 Rozzano, Italy;
| | - Fina Martínez-Soler
- Apoptosis and Cancer Unit, Department of Physiological Sciences, IDIBELL, Faculty of Medicine and Health Sciences, Universitat de Barcelona, 08907 L’Hospitalet del Llobregat, Spain; (F.M.-S.); (A.T.)
| | - Avelina Tortosa
- Apoptosis and Cancer Unit, Department of Physiological Sciences, IDIBELL, Faculty of Medicine and Health Sciences, Universitat de Barcelona, 08907 L’Hospitalet del Llobregat, Spain; (F.M.-S.); (A.T.)
| | - Àngels Sierra
- Laboratory of Experimental Oncological Neurosurgery, Neurosurgery Service, Hospital Clinic de Barcelona—FCRB, 08036 Barcelona, Spain; (L.P.); (D.D.); (J.J.G.)
| | - José Juan Gonzalez
- Laboratory of Experimental Oncological Neurosurgery, Neurosurgery Service, Hospital Clinic de Barcelona—FCRB, 08036 Barcelona, Spain; (L.P.); (D.D.); (J.J.G.)
| | - Clara Viñas
- Institut de Ciència de Materials de Barcelona, ICMAB-CSIC, Campus Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain; (M.N.-M.); (F.T.)
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Martins AS, Batista de Carvalho ALM, Marques MPM, Gil AM. Response of Osteosarcoma Cell Metabolism to Platinum and Palladium Chelates as Potential New Drugs. Molecules 2021; 26:4805. [PMID: 34443394 PMCID: PMC8401043 DOI: 10.3390/molecules26164805] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 08/03/2021] [Accepted: 08/04/2021] [Indexed: 12/13/2022] Open
Abstract
This paper reports the first metabolomics study of the impact of new chelates Pt2Spm and Pd2Spm (Spm = Spermine) on human osteosarcoma cellular metabolism, compared to the conventional platinum drugs cisplatin and oxaliplatin, in order to investigate the effects of different metal centers and ligands. Nuclear Magnetic Resonance metabolomics was used to identify meaningful metabolite variations in polar cell extracts collected during exposure to each of the four chelates. Cisplatin and oxaliplatin induced similar metabolic fingerprints of changing metabolite levels (affecting many amino acids, organic acids, nucleotides, choline compounds and other compounds), thus suggesting similar mechanisms of action. For these platinum drugs, a consistent uptake of amino acids is noted, along with an increase in nucleotides and derivatives, namely involved in glycosylation pathways. The Spm chelates elicit a markedly distinct metabolic signature, where inverse features are observed particularly for amino acids and nucleotides. Furthermore, Pd2Spm prompts a weaker response from osteosarcoma cells as compared to its platinum analogue, which is interesting as the palladium chelate exhibits higher cytotoxicity. Putative suggestions are discussed as to the affected cellular pathways and the origins of the distinct responses. This work demonstrates the value of untargeted metabolomics in measuring the response of cancer cells to either conventional or potential new drugs, seeking further understanding (or possible markers) of drug performance at the molecular level.
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Affiliation(s)
- Ana S. Martins
- CICECO—Aveiro Institute of Materials (CICECO/UA), Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal;
- Unidade de I&D Química-Física Molecular, Department of Chemistry, University of Coimbra, Rua Larga, 300-535 Coimbra, Portugal;
| | - Ana L. M. Batista de Carvalho
- Unidade de I&D Química-Física Molecular, Department of Chemistry, University of Coimbra, Rua Larga, 300-535 Coimbra, Portugal;
| | - Maria P. M. Marques
- Unidade de I&D Química-Física Molecular, Department of Chemistry, University of Coimbra, Rua Larga, 300-535 Coimbra, Portugal;
- Department of Life Sciences, Faculty of Science and Technology, University of Coimbra, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
| | - Ana M. Gil
- CICECO—Aveiro Institute of Materials (CICECO/UA), Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal;
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Batista de Carvalho LAE, Mamede AP, Batista de Carvalho ALM, Marques J, Cinque G, Rudić S, Marques MPM. Metallodrug-protein interaction probed by synchrotron terahertz and neutron scattering spectroscopy. Biophys J 2021; 120:3070-3078. [PMID: 34214537 PMCID: PMC8390959 DOI: 10.1016/j.bpj.2021.06.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/20/2021] [Accepted: 06/08/2021] [Indexed: 11/30/2022] Open
Abstract
This experimental work applied coherent synchrotron-radiation terahertz spectroscopy and inelastic neutron scattering to address two processes directly associated with the mode of action of metal-based anticancer agents that can severely undermine chemotherapeutic treatment: drug binding to human serum albumin, occurring during intravenous drug transport, and intracellular coordination to thiol-containing biomolecules (such as metallothioneins) associated with acquired drug resistance. Cisplatin and two dinuclear platinum (Pt)- and palladium (Pd)-polyamine agents developed by this research group, which have yielded promising results toward some types of human cancers, were investigated. Complementary synchrotron-radiation-terahertz and inelastic neutron scattering data revealed protein metalation, through S- and N-donor ligands from cysteine, methionine, and histidine residues. A clear impact of the Pt and Pd agents was evidenced, drug binding to albumin and metallothionein having been responsible for significant changes in the overall protein conformation, as well as for an increased flexibility and possible aggregation.
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Affiliation(s)
| | - Adriana Pereira Mamede
- Molecular Physical Chemistry R&D Unit, Department of Chemistry, University of Coimbra, Coimbra, Portugal
| | | | - Joana Marques
- Molecular Physical Chemistry R&D Unit, Department of Chemistry, University of Coimbra, Coimbra, Portugal
| | - Gianfelice Cinque
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot, Oxfordshire, United Kingdom
| | - Svemir Rudić
- ISIS Facility, STFC Rutherford Appleton Laboratory, Didcot, Oxfordshire, United Kingdom
| | - Maria Paula Matos Marques
- Molecular Physical Chemistry R&D Unit, Department of Chemistry, University of Coimbra, Coimbra, Portugal; Department of Life Sciences, University of Coimbra, Coimbra, Portugal
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Li G, Li Y, Wang DY. Overexpression of miR-329-3p sensitizes osteosarcoma cells to cisplatin through suppression of glucose metabolism by targeting LDHA. Cell Biol Int 2021; 45:766-774. [PMID: 33058436 DOI: 10.1002/cbin.11476] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Revised: 09/08/2020] [Accepted: 10/10/2020] [Indexed: 11/07/2022]
Abstract
Osteosarcoma (OS) is one of the most frequent malignant bone tumor types. Traditional treatments of OS involve standard chemotherapy or combination with radiation before and after surgery. Cisplatin is one of the most effective chemotherapeutic drugs used for treating osteosarcoma. However, patients with advanced tumor stages develop cisplatin resistance, leading to a major clinical challenge. In this study, we investigated the roles of miR-329-3p in cisplatin sensitivity of osteosarcoma cells. We found miR-329-3p was significantly downregulated in osteosarcoma tissues compared with normal bone tissues. Overexpression of miR-329-3p suppressed osteosarcoma cell proliferation. Moreover, we observed low-toxic cisplatin treatments suppressed miR-329-3p but higher concentrations of cisplatin-induced miR-329-3p expression. In addition, miR-329-3p was significantly downregulated in cisplatin-resistant Saos-2 cells which displayed elevated glucose metabolism. Overexpression of miR-329-3p significantly impaired glucose metabolism of Saos-2 cells. Bioinformatics analysis and luciferase assay consistently demonstrated the glycolysis enzyme, lactate dehydrogenase-A (LDHA) was a direct target of miR-329-3p in osteosarcoma cells. Rescue experiments revealed restoration of LDHA in miR-329-3p-overexpressed cisplatin-resistant cells effectively recovered glucose metabolism, resulting in increased cisplatin resistance. This study demonstrates a miR-329-3p-LDHA-glucose metabolism-cisplatin resistance axis in osteosarcoma cells, providing a miRNA-based therapeutic strategy against chemoresistant osteosarcoma.
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Affiliation(s)
- Gang Li
- Department of Orthopedics, Daqing Oilfield General Hospital, Daqing, China
| | - Ye Li
- Department of Orthopedics, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Da-Yong Wang
- Department of Orthopedics, Daqing Oilfield General Hospital, Daqing, China
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12
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Zheng X, Lian Q, Zhou L, Jiang Y, Gao J. Urchin-like trimanganese tetraoxide particles with oxidase-like activity for glutathione detection. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.125397] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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13
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Carneiro TJ, Martins AS, Marques MPM, Gil AM. Metabolic Aspects of Palladium(II) Potential Anti-Cancer Drugs. Front Oncol 2020; 10:590970. [PMID: 33154950 PMCID: PMC7586886 DOI: 10.3389/fonc.2020.590970] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Accepted: 09/21/2020] [Indexed: 12/12/2022] Open
Abstract
This mini-review reports on the existing knowledge of the metabolic effects of palladium [Pd(II)] complexes with potential anticancer activity, on cell lines and murine models. Most studies have addressed mononuclear Pd(II) complexes, although increasing interest has been noted in bidentate complexes, as polynuclear structures. In addition, the majority of records have reported in vitro studies on cancer cell lines, some including the impact on healthy cells, as potentially informative in relation to side effects. Generally, these studies address metabolic effects related to the mechanisms of induced cell death and antioxidant defense, often involving the measurement of gene and protein expression patterns, and evaluation of the levels of reactive oxygen species or specific metabolites, such as ATP and glutathione, in relation to mitochondrial respiration and antioxidant mechanisms. An important tendency is noted toward the use of more untargeted approaches, such as the use of omic sciences e.g., proteomics and metabolomics. In the discussion section of this mini-review, the developments carried out so far are summarized and suggestions of possible future developments are advanced, aiming at recognizing that metabolites and metabolic pathways make up an important part of cell response and adaptation to therapeutic agents, their further study potentially contributing valuably for a more complete understanding of processes such as biotoxicity or development of drug resistance.
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Affiliation(s)
- Tatiana J Carneiro
- Department of Chemistry, Center for Research in Ceramic and Composite Materials (CICECO)-Aveiro Institute of Materials (CICECO/UA), University of Aveiro, Campus Universitário de Santiago, Aveiro, Portugal.,"Molecular Physical Chemistry" R&D Unit, Department of Chemistry, University of Coimbra, Coimbra, Portugal
| | - Ana S Martins
- Department of Chemistry, Center for Research in Ceramic and Composite Materials (CICECO)-Aveiro Institute of Materials (CICECO/UA), University of Aveiro, Campus Universitário de Santiago, Aveiro, Portugal.,"Molecular Physical Chemistry" R&D Unit, Department of Chemistry, University of Coimbra, Coimbra, Portugal
| | - M Paula M Marques
- "Molecular Physical Chemistry" R&D Unit, Department of Chemistry, University of Coimbra, Coimbra, Portugal.,Department of Life Sciences, University of Coimbra, Coimbra, Portugal
| | - Ana M Gil
- Department of Chemistry, Center for Research in Ceramic and Composite Materials (CICECO)-Aveiro Institute of Materials (CICECO/UA), University of Aveiro, Campus Universitário de Santiago, Aveiro, Portugal
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14
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Martins AS, Batista de Carvalho AL, Lamego I, Marques MPM, Gil AM. Cytotoxicity of Platinum and Palladium Chelates against Osteosarcoma. ChemistrySelect 2020. [DOI: 10.1002/slct.202001361] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Ana S. Martins
- University of Coimbra Unidade de I&D Química-Física Molecular, Department of Chemistry, Rua Larga 3004-535 Coimbra Portugal
- CICECO-Aveiro Institute of Materials (CICECO/UA), Department of Chemistry University of Aveiro, Campus Universitário de Santiago 3810-193 Aveiro Portugal
| | - Ana L.M. Batista de Carvalho
- University of Coimbra Unidade de I&D Química-Física Molecular, Department of Chemistry, Rua Larga 3004-535 Coimbra Portugal
| | - Inês Lamego
- University of Coimbra Unidade de I&D Química-Física Molecular, Department of Chemistry, Rua Larga 3004-535 Coimbra Portugal
- CICECO-Aveiro Institute of Materials (CICECO/UA), Department of Chemistry University of Aveiro, Campus Universitário de Santiago 3810-193 Aveiro Portugal
| | - M.▪ Paula. M. Marques
- University of Coimbra Unidade de I&D Química-Física Molecular, Department of Chemistry, Rua Larga 3004-535 Coimbra Portugal
- University of Coimbra, Department of Life Sciences Faculty of Science and Technology, Calçada Martim de Freitas 3000-456 Coimbra Portugal
| | - Ana M. Gil
- CICECO-Aveiro Institute of Materials (CICECO/UA), Department of Chemistry University of Aveiro, Campus Universitário de Santiago 3810-193 Aveiro Portugal
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15
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Marques MPM, Batista de Carvalho ALM, Mamede AP, Rudić S, Dopplapudi A, García Sakai V, Batista de Carvalho LAE. Intracellular water as a mediator of anticancer drug action. INT REV PHYS CHEM 2020. [DOI: 10.1080/0144235x.2020.1700083] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- M. P. M. Marques
- Unidade de I&D Química-Física Molecular, Department of Chemistry, University of Coimbra, Coimbra, Portugal
- Department of Life Sciences, University of Coimbra, Coimbra, Portugal
| | | | - A. P. Mamede
- Unidade de I&D Química-Física Molecular, Department of Chemistry, University of Coimbra, Coimbra, Portugal
| | - S. Rudić
- STFC Rutherford Appleton Laboratory, ISIS Facility, Chilton, Didcot, UK
| | - A. Dopplapudi
- STFC Rutherford Appleton Laboratory, ISIS Facility, Chilton, Didcot, UK
| | - V. García Sakai
- STFC Rutherford Appleton Laboratory, ISIS Facility, Chilton, Didcot, UK
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16
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A New Look into the Mode of Action of Metal-Based Anticancer Drugs. Molecules 2020; 25:molecules25020246. [PMID: 31936161 PMCID: PMC7024343 DOI: 10.3390/molecules25020246] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 12/29/2019] [Accepted: 01/02/2020] [Indexed: 01/25/2023] Open
Abstract
The mode of action of Pt- and Pd-based anticancer agents (cisplatin and Pd2Spm) was studied by characterising their impact on DNA. Changes in conformation and mobility at the molecular level in hydrated DNA were analysed by quasi-elastic and inelastic neutron scattering techniques (QENS and INS), coupled to Fourier transform infrared (FTIR) and microRaman spectroscopies. Although INS, FTIR and Raman revealed drug-triggered changes in the phosphate groups and the double helix base pairing, QENS allowed access to the nanosecond motions of the biomolecule’s backbone and confined hydration water within the minor groove. Distinct effects were observed for cisplatin and Pd2Spm, the former having a predominant effect on DNA’s spine of hydration, whereas the latter had a higher influence on the backbone dynamics. This is an innovative way of tackling a drug’s mode of action, mediated by the hydration waters within its pharmacological target (DNA).
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17
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Marques MPM, Batista de Carvalho ALM, Mamede AP, Santos IP, García Sakai V, Dopplapudi A, Cinque G, Wolna M, Gardner P, Batista de Carvalho LAE. Chemotherapeutic Targets in Osteosarcoma: Insights from Synchrotron-MicroFTIR and Quasi-Elastic Neutron Scattering. J Phys Chem B 2019; 123:6968-6979. [PMID: 31339317 DOI: 10.1021/acs.jpcb.9b05596] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
This study aimed at the development of improved drugs against human osteosarcoma, which is the most common primary bone tumor in children and teenagers with a low prognosis. New insights into the impact of an unconventional Pd(II) anticancer agent on human osteosarcoma cells were obtained by synchrotron radiation-Fourier transform infrared microspectroscopy and quasi-elastic neutron scattering (QENS) experiments from its effect on the cellular metabolism to its influence on intracellular water, which can be regarded as a potential secondary pharmacological target. Specific infrared biomarkers of drug action were identified, enabling a molecular-level description of variations in cellular biochemistry upon drug exposure. The main changes were detected in the protein and lipid cellular components, namely, in the ratio of unsaturated-to-saturated fatty acids. QENS revealed reduced water mobility within the cytoplasm for drug-treated cells, coupled to a disruption of the hydration layers of biomolecules. Additionally, the chemical and dynamical profiles of osteosarcoma cells were compared to those of metastatic breast cancer cells, revealing distinct dissimilarities that may influence drug activity.
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Affiliation(s)
- Maria Paula M Marques
- "Química-Física Molecular", Department of Chemistry , University of Coimbra , 3004-535 Coimbra , Portugal.,Department of Life Sciences , University of Coimbra , 3000-456 Coimbra , Portugal
| | | | - Adriana P Mamede
- "Química-Física Molecular", Department of Chemistry , University of Coimbra , 3004-535 Coimbra , Portugal
| | - Inês P Santos
- "Química-Física Molecular", Department of Chemistry , University of Coimbra , 3004-535 Coimbra , Portugal
| | - Victoria García Sakai
- ISIS Facility , STFC Rutherford Appleton Laboratory , Chilton, Didcot , Oxfordshire OX11 0QX , U.K
| | - Asha Dopplapudi
- ISIS Facility , STFC Rutherford Appleton Laboratory , Chilton, Didcot , Oxfordshire OX11 0QX , U.K
| | - Gianfelice Cinque
- Diamond Light Source , Harwell Science and Innovation Campus , Chilton, Didcot , Oxfordshire OX11 0DE , U.K
| | - Magda Wolna
- Diamond Light Source , Harwell Science and Innovation Campus , Chilton, Didcot , Oxfordshire OX11 0DE , U.K
| | - Peter Gardner
- Manchester Institute of Biotechnology , University of Manchester , Manchester M1 7DN , U.K
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18
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Parker SF, Mukhopadhyay S, Jiménez-Ruiz M, Albers PW. Adsorbed States of Hydrogen on Platinum: A New Perspective. Chemistry 2019; 25:6496-6499. [PMID: 30919526 PMCID: PMC6767033 DOI: 10.1002/chem.201900351] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Indexed: 01/20/2023]
Abstract
The interaction of hydrogen with platinum is enormously important in many areas of catalysis. The most significant of these are in polymer electrolyte membrane fuel cells (PEMFC), in which carbon‐supported platinum is used to dissociate hydrogen gas at the anode. The nature of adsorbed hydrogen on platinum has been studied for many years on single‐crystal surfaces, on high‐surface area‐platinum metal (Raney platinum and platinum black), and on supported catalysts. Many forms of vibrational spectroscopy have played a key role in these studies, however, there is still no clear consensus as to the assignment of the spectra. In this work, ab initio molecular dynamics (AIMD) and lattice dynamics were used to study a 1.1 nm nanoparticle, Pt44H80. The results were compared to new inelastic neutron scattering spectra of hydrogen on platinum black and of a carbon‐supported platinum fuel cell catalyst and an assignment scheme that rationalises all previous data is proposed.
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Affiliation(s)
- Stewart F Parker
- ISIS Facility, STFC Rutherford Appleton Laboratory, Chilton, Didcot, OX11 0QX, UK
| | | | - Mónica Jiménez-Ruiz
- Institut Laue-Langevin, 71 avenue des Martyrs, CS, 20156 38042, Grenoble, Cedex 9, France
| | - Peter W Albers
- Evonik Technology & Infrastructure GmbH, Rodenbacher Chaussee 4, 63457, Hanau/Wolfgang, Germany
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19
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Popović J, Klajn A, Paunesku T, Ma Q, Chen S, Lai B, Stevanović M, Woloschak GE. Neuroprotective Role of Selected Antioxidant Agents in Preventing Cisplatin-Induced Damage of Human Neurons In Vitro. Cell Mol Neurobiol 2019; 39:619-636. [PMID: 30874981 PMCID: PMC6535150 DOI: 10.1007/s10571-019-00667-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Accepted: 02/28/2019] [Indexed: 12/17/2022]
Abstract
Chemotherapy-induced peripheral neuropathy (CIPN) is a side effect of platinum-based chemotherapy and decreases the quality of life of cancer patients. We compared neuroprotective properties of several agents using an in vitro model of terminally differentiated human cells NT2-N derived from cell line NT2/D1. Sodium azide and an active metabolite of amifostine (WR1065) increase cell viability in simultaneous treatment with cisplatin. In addition, WR1065 protects the non-dividing neurons by decreasing cisplatin caused oxidative stress and apoptosis. Accumulation of Pt in cisplatin-treated cells was heterogeneous, but the frequency and concentration of Pt in cells were lowered in the presence of WR1065 as shown by X-ray fluorescence microscopy (XFM). Transition metals accumulation accompanied Pt increase in cells; this effect was equally diminished in the presence of WR1065. To analyze possible chemical modulation of Pt-DNA bonds, we examined the platinum LIII near edge spectrum by X-ray absorption spectroscopy. The spectrum found in cisplatin-DNA samples is altered differently by the addition of either WR1065 or sodium azide. Importantly, a similar change in Pt edge spectra was noted in cells treated with cisplatin and WR1065. Therefore, amifostine should be reconsidered as a candidate for treatments that reduce or prevent CIPN.
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Affiliation(s)
- Jelena Popović
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, 11010, Serbia
- Feinberg School of Medicine, Department of Radiation Oncology, Northwestern University, Chicago, IL, 60611, USA
| | - Andrijana Klajn
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, 11010, Serbia
| | - Tatjana Paunesku
- Feinberg School of Medicine, Department of Radiation Oncology, Northwestern University, Chicago, IL, 60611, USA
| | - Qing Ma
- DND CAT, Northwestern Synchrotron Research Center at the Advanced Photon Source, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, IL, 60439, USA
| | - Si Chen
- X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, IL, 60439, USA
| | - Barry Lai
- X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, IL, 60439, USA
| | - Milena Stevanović
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, 11010, Serbia.
- Faculty of Biology, University of Belgrade, Belgrade, 11000, Serbia.
- Serbian Academy of Sciences and Arts, Belgrade, 11000, Serbia.
| | - Gayle E Woloschak
- Feinberg School of Medicine, Department of Radiation Oncology, Northwestern University, Chicago, IL, 60611, USA.
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20
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Vojtek M, Marques MPM, Ferreira IMPLVO, Mota-Filipe H, Diniz C. Anticancer activity of palladium-based complexes against triple-negative breast cancer. Drug Discov Today 2019; 24:1044-1058. [PMID: 30849441 DOI: 10.1016/j.drudis.2019.02.012] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Revised: 01/17/2019] [Accepted: 02/28/2019] [Indexed: 12/24/2022]
Abstract
Treatment of triple-negative breast carcinoma (TNBC) remains an unmet medical need with no targeted therapy available to date. Accounting for 10-30% of all human breast cancer tumors, this mammary carcinoma subtype has a particularly poor prognosis owing to its high metastatic potential, aggressive biology and limited pharmacological treatment options. Platinum chemotherapeutics are the mainstay therapy in patients with TNBC but their clinical use is limited by severe toxicity and acquired resistance. Palladium-based complexes are appealing alternative metal-based drugs because of significant similarities regarding structure and coordination chemistry with the platinum agents. This review summarizes the knowledge gathered so far on 121 Pd(II) complexes, emphasizing their anticancer activity and putative pharmacological targets toward TNBC.
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Affiliation(s)
- Martin Vojtek
- LAQV/REQUIMTE, Laboratory of Pharmacology, Department of Drug Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Maria P M Marques
- Unidade de I&D "Química-Física Molecular", Department of Chemistry, University of Coimbra, Coimbra, Portugal; Department of Life Sciences, University of Coimbra, Coimbra, Portugal
| | - Isabel M P L V O Ferreira
- LAQV/REQUIMTE, Laboratory of Bromatology and Hydrology, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Hélder Mota-Filipe
- iMed.ULisboa, Faculty of Pharmacy, University of Lisbon, Lisbon, Portugal
| | - Carmen Diniz
- LAQV/REQUIMTE, Laboratory of Pharmacology, Department of Drug Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal.
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21
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Batista de Carvalho ALM, Mamede AP, Dopplapudi A, Garcia Sakai V, Doherty J, Frogley M, Cinque G, Gardner P, Gianolio D, Batista de Carvalho LAE, Marques MPM. Anticancer drug impact on DNA – a study by neutron spectroscopy coupled with synchrotron-based FTIR and EXAFS. Phys Chem Chem Phys 2019; 21:4162-4175. [DOI: 10.1039/c8cp05881d] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Complementary information on drug–DNA interplay has been achieved for Pt/Pd anticancer agents, by a combined QENS, SR-FTIR-ATR and EXAFS approach.
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Affiliation(s)
| | - Adriana P. Mamede
- Química-Física Molecular
- Department of Chemistry
- University of Coimbra
- 3004-535 Coimbra
- Portugal
| | - Asha Dopplapudi
- ISIS Facility
- STFC Rutherford Appleton Laboratory
- Chilton
- Didcot
- UK
| | | | - James Doherty
- Diamond Light Source
- Harwell Science and Innovation Campus
- Chilton
- Didcot
- UK
| | - Mark Frogley
- Diamond Light Source
- Harwell Science and Innovation Campus
- Chilton
- Didcot
- UK
| | - Gianfelice Cinque
- Diamond Light Source
- Harwell Science and Innovation Campus
- Chilton
- Didcot
- UK
| | - Peter Gardner
- Manchester Institute of Biotechnology
- University of Manchester
- Manchester
- UK
| | - Diego Gianolio
- Diamond Light Source
- Harwell Science and Innovation Campus
- Chilton
- Didcot
- UK
| | | | - M. Paula M. Marques
- Química-Física Molecular
- Department of Chemistry
- University of Coimbra
- 3004-535 Coimbra
- Portugal
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22
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Torres M, Khan S, Duplanty M, Lozano HC, Morris TJ, Nguyen T, Rostovtsev YV, DeYonker NJ, Mirsaleh-Kohan N. Raman and Infrared Studies of Platinum-Based Drugs: Cisplatin, Carboplatin, Oxaliplatin, Nedaplatin, and Heptaplatin. J Phys Chem A 2018; 122:6934-6952. [PMID: 30071735 DOI: 10.1021/acs.jpca.8b04023] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Marjorie Torres
- Department of Chemistry & Biochemistry, Texas Woman’s University, Denton, Texas 76204, United States
| | - Sidrah Khan
- Department of Chemistry & Biochemistry, Texas Woman’s University, Denton, Texas 76204, United States
| | - Michael Duplanty
- Department of Chemistry & Biochemistry, Texas Woman’s University, Denton, Texas 76204, United States
| | - Hannah C. Lozano
- Department of Chemistry, University of Memphis, Memphis, Tennessee 38152, United States
| | - Tyree J. Morris
- Department of Chemistry, University of Memphis, Memphis, Tennessee 38152, United States
| | - Trang Nguyen
- Department of Chemistry & Biochemistry, Texas Woman’s University, Denton, Texas 76204, United States
| | - Yuri V. Rostovtsev
- Center for Nonlinear Sciences and Department of Physics, University of North Texas, Denton, Texas 76203, United States
| | - Nathan J. DeYonker
- Department of Chemistry, University of Memphis, Memphis, Tennessee 38152, United States
| | - Nasrin Mirsaleh-Kohan
- Department of Chemistry & Biochemistry, Texas Woman’s University, Denton, Texas 76204, United States
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Abstract
Inspired by cisplatin's deactivation by glutathione (GSH) in cancer, a GSH responsive nanogel loaded with doxorubicin (Dox) was prepared using hyaluronan as a matrix and cisplatin as a crosslinker. The elevated GSH depletes the cisplatin crosslinker in the nanogel, enhances Dox release and boosts cytotoxicity, thus providing a new GSH responsive platform to reverse cisplatin resistance.
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Affiliation(s)
- Weiqi Zhang
- Molecular Imaging Innovations Institute, Department of Radiology, Weill Cornell Medicine, Cornell University, 413 East 69th Street, Box 290, New York, NY 10021, USA.
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24
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Batista de Carvalho ALM, Parker SF, Batista de Carvalho LAE, Marques MPM. Novel platinum-based anticancer drug: a complete vibrational study. ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY 2018; 74:628-634. [DOI: 10.1107/s2053229618005843] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Accepted: 04/15/2018] [Indexed: 01/16/2023]
Abstract
The introduction of cisplatin to oncology, in the 1970s, marked the onset of the search for novel and improved metal-based anticancer drugs. Polynuclear PtII and PdII complexes with linear alkylamines as bridging ligands are a class of potential antineoplastic agents that have shown promising cytotoxicity against low-prognosis human cancers, such as metastatic breast adenocarcinoma and osteosarcoma. The present study reports an analysis of [μ-N,N′-bis(3-aminopropyl)butane-1,4-diamine-κ4
N,N′:N′′,N′′′]bis[dichloridoplatinum(II)], [Pt2Cl4(C10H26N4)], denoted Pt2Spm (Spm is spermine), by vibrational spectroscopy coupled to theoretical calculations. Within the latter, the Density Functional Theory (DFT – mPW1PW/6-31G*) and Effective Core Potential (ECP – LANL2DZ) approaches were used, in order to ensure the most accurate representation of the molecule and achieve a maximum agreement with the experimental data. The solid-state geometry of Pt2Spm corresponds to Ci
symmetry, displaying 132 vibrational modes. A complete assignment of the experimental vibrational profile of the system was attained through the combined application of complementary Raman, FT–IR and Inelastic Neutron Scattering (INS) techniques. INS allowed an unequivocal identification of the CH2 and NH2 rocking modes, not clearly detected by the optical techniques, while Raman measurements led to a clear discrimination of the Pt—N stretching frequencies from the two distinct Pt—N moieties within the chelate. The metal-to-metal distances calculated for the molecule under study were found to allow the establishment of effective inter- and intrastrand crosslinks with DNA. These results will hopefully help to clarify the mode of action of the compound, at the molecular level, contributing to the development of improved cisplatin-like chemotherapeutic drugs having a higher efficacy and specificity coupled to lower acquired resistance and deleterious side effects.
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25
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Mukherjee S, Mitra I, B. VPR, Das P, Misini B, Linert W, Moi SC. In Vitro DNA/BSA Binding, Anticancer and Normal Cell Activity of Pd(II) Complexes: Substitution Behaviour and Computational Study. ChemistrySelect 2018. [DOI: 10.1002/slct.201800211] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Subhajit Mukherjee
- Department of Chemistry; National Institute of Technology Durgapur; Durgapur-713209, W.B. India
| | - Ishani Mitra
- Department of Chemistry; National Institute of Technology Durgapur; Durgapur-713209, W.B. India
| | - Venkata P. Reddy B.
- Department of Chemistry; National Institute of Technology Durgapur; Durgapur-713209, W.B. India
| | - Payel Das
- Department of Biotechnology; National Institute of Technology Durgapur; Durgapur-713209, W.B. India
| | - Bashkim Misini
- Institute of Applied Synthetic Chemistry; Vienna University of Technology; Getreidemarkt, 9/163-AC 1060 Vienna Austria
| | - Wolfgang Linert
- Institute of Applied Synthetic Chemistry; Vienna University of Technology; Getreidemarkt, 9/163-AC 1060 Vienna Austria
| | - Sankar Ch. Moi
- Department of Chemistry; National Institute of Technology Durgapur; Durgapur-713209, W.B. India
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26
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Batista de Carvalho ALM, Pilling M, Gardner P, Doherty J, Cinque G, Wehbe K, Kelley C, Batista de Carvalho LAE, Marques MPM. Chemotherapeutic response to cisplatin-like drugs in human breast cancer cells probed by vibrational microspectroscopy. Faraday Discuss 2018; 187:273-98. [PMID: 27063935 DOI: 10.1039/c5fd00148j] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Studies of drug-cell interactions in cancer model systems are essential in the preclinical stage of rational drug design, which relies on a thorough understanding of the mechanisms underlying cytotoxic activity and biological effects, at a molecular level. This study aimed at applying complementary vibrational spectroscopy methods to evaluate the cellular impact of two Pt(ii) and Pd(ii) dinuclear chelates with spermine (Pt2Spm and Pd2Spm), using cisplatin (cis-Pt(NH3)2Cl2) as a reference compound. Their effects on cellular metabolism were monitored in a human triple-negative metastatic breast cancer cell line (MDA-MB-231) by Raman and synchrotron-radiation infrared microspectroscopies, for different drug concentrations (2-8 μM) at 48 h exposure. Multivariate data analysis was applied (unsupervised PCA), unveiling drug- and concentration-dependent effects: apart from discrimination between control and drug-treated cells, a clear separation was obtained for the different agents studied - mononuclear vs. polynuclear, and Pt(ii) vs. Pd(ii). Spectral biomarkers of drug action were identified, as well as the cellular response to the chemotherapeutic insult. The main effect of the tested compounds was found to be on DNA, lipids and proteins, the Pd(ii) agent having a more significant impact on proteins while its Pt(ii) homologue affected the cellular lipid content at lower concentrations, which suggests the occurrence of distinct and unconventional pathways of cytotoxicity for these dinuclear polyamine complexes. Raman and FTIR microspectroscopies were confirmed as powerful non-invasive techniques to obtain unique spectral signatures of the biochemical impact and physiological reaction of cells to anticancer agents.
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Affiliation(s)
| | - M Pilling
- Manchester Institute of Biotechnology, Univ. Manchester, Manchester, M1 7DN, UK
| | - P Gardner
- Manchester Institute of Biotechnology, Univ. Manchester, Manchester, M1 7DN, UK
| | - J Doherty
- Manchester Institute of Biotechnology, Univ. Manchester, Manchester, M1 7DN, UK and Diamond Light Source, Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0DE, UK
| | - G Cinque
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0DE, UK
| | - K Wehbe
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0DE, UK
| | - C Kelley
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0DE, UK
| | | | - M P M Marques
- "Química-Física Molecular", Univ. Coimbra, 3004-535 Coimbra, Portugal. and Dep. Life Sciences, Univ. Coimbra, 3000-456 Coimbra, Portugal
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27
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Mukherjee S, Mitra I, Reddy B. VP, Fouzder C, Mukherjee S, Ghosh S, Chatterji U, Moi SC. Effect of Pt(II) complexes on cancer and normal cells compared to clinically used anticancer drugs: Cell cycle analysis, apoptosis and DNA/BSA binding study. J Mol Liq 2017. [DOI: 10.1016/j.molliq.2017.09.104] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Mukherjee S, Reddy B. VP, Mitra I, Linert W, Moi SC. Hydrolysis mechanism of (N, N) chelated cytotoxic Pt/Pd(II)-dichloro complexes: A theoretical approach. Chem Phys Lett 2017. [DOI: 10.1016/j.cplett.2017.04.069] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Štarha P, Vančo J, Trávníček Z. Platinum complexes containing adenine-based ligands: An overview of selected structural features. Coord Chem Rev 2017. [DOI: 10.1016/j.ccr.2016.09.017] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Marques MPM, Batista de Carvalho ALM, Sakai VG, Hatter L, Batista de Carvalho LAE. Intracellular water – an overlooked drug target? Cisplatin impact in cancer cells probed by neutrons. Phys Chem Chem Phys 2017; 19:2702-2713. [DOI: 10.1039/c6cp05198g] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Intracellular water as a secondary pharmacological target?
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Affiliation(s)
- M. P. M. Marques
- Unidade de I&D Química-Física Molecular
- Dep. of Chemistry
- R. Larga
- Univ. Coimbra
- 3004-535 Coimbra
| | | | - V. Garcia Sakai
- ISIS Facility
- STFC Rutherford Appleton Laboratory
- Chilton
- Didcot
- UK
| | - L. Hatter
- Research Complex at Harwell
- STFC Rutherford Appleton Laboratory
- Chilton
- Didcot
- UK
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Batista de Carvalho ALM, Medeiros PSC, Costa FM, Ribeiro VP, Sousa JB, Diniz C, Marques MPM. Anti-Invasive and Anti-Proliferative Synergism between Docetaxel and a Polynuclear Pd-Spermine Agent. PLoS One 2016; 11:e0167218. [PMID: 27880824 PMCID: PMC5120851 DOI: 10.1371/journal.pone.0167218] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Accepted: 11/10/2016] [Indexed: 11/30/2022] Open
Abstract
The present work is aimed at evaluating the antitumour properties of a Pd(II) dinuclear complex with the biogenic polyamine spermine, by investigating: i) the anti-angiogenic and anti-migration properties of a Pd(II) dinuclear complex with spermine (Pd2Spm); ii) the anti-proliferative activity of Pd2Spm against a triple negative human breast carcinoma (MDA-MB-231); and finally iii) the putative interaction mediated by combination of Pd2Spm with Docetaxel. Anti-invasive (anti-angiogenic and anti-migratory) as well as anti-proliferative capacities were assessed, for different combination schemes and drug exposure times, using the CAM assay and VEGFR2 activity measurement, the MatrigelTM method and the SRB proliferation test. The results thus obtained evidence the ability of Pd2Spm to restrict angiogenesis and cell migration: Pd2Spm induced a marked inhibition of migration (43.8±12.2%), and a higher inhibition of angiogenesis (81.8±4.4% for total length values, at 4 μM) as compared to DTX at the clinical dosage 4x10-2 μM (26.4±14.4%; n = 4 to 11). Combination of Pd2Spm/DTX was more effective as anti-invasive and anti-proliferative than DTX or Pd2Spm in sole administration, which is compatible with the occurrence of synergism: for the anti-angiogenic effect, IC50(Pd2Spm/DTX) = 0.5/0.5x10-2 μM vs IC50(DTX) = 1.7x10-2 μM and IC50(Pd2Spm) = 1.6 μM. In conclusion, the reported effects of Pd2Spm on angiogenesis, migration and proliferation showed that this compound is a promising therapeutic agent against this type of breast cancer. Moreover, combined administration of Pd2Spm and DTX was found to trigger a substantial synergetic effect regarding angiogenesis inhibition as well as anti-migratory and anti-proliferative activities reinforcing the putative use of Pd(II) complexes in chemotherapeutic regimens. This is a significant outcome, aiming at the application of these combined strategies towards metastatic breast cancer (or other type of resistant cancers), justifying further studies that include pre-clinical trials.
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Affiliation(s)
| | - Paula S. C. Medeiros
- Unidade de I&D Química-Física Molecular, Department of Chemistry, University of Coimbra, Coimbra, Portugal
| | - Francisco M. Costa
- Laboratory of Pharmacology, Department of Drug Science, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Vanessa P. Ribeiro
- Laboratory of Pharmacology, Department of Drug Science, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Joana B. Sousa
- Laboratory of Pharmacology, Department of Drug Science, Faculty of Pharmacy, University of Porto, Porto, Portugal
- LAQV/REQUIMTE, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Carmen Diniz
- Laboratory of Pharmacology, Department of Drug Science, Faculty of Pharmacy, University of Porto, Porto, Portugal
- LAQV/REQUIMTE, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Maria P. M. Marques
- Unidade de I&D Química-Física Molecular, Department of Chemistry, University of Coimbra, Coimbra, Portugal
- Department of Life Sciences, Faculty of Science and Technology, University of Coimbra, Coimbra, Portugal
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Jalili S, Maddah M, Schofield J. Molecular dynamics simulation and free energy analysis of the interaction of platinum-based anti-cancer drugs with DNA. JOURNAL OF THEORETICAL & COMPUTATIONAL CHEMISTRY 2016. [DOI: 10.1142/s0219633616500541] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Cisplatin and oxaliplatin are two widely-used anti-cancer drugs which covalently bind to a same location in DNA strands. Platinum agents make intrastrand and interstrand cross-links with the N7 atoms of guanine nucleotides which prevent DNA from polymerization by causing a distortion in the double helix. Molecular dynamics simulations and free energy calculations were carried out to investigate the binding of two platinum-based anti-cancer drugs with DNA. We compared the binding of these drugs which differ in their carrier ligands, and hence their potential interactions with DNA. When a platinum agent binds to nucleotides, it causes a high amount of deformation in DNA structure. To find the extent of deformation, torsion angles and base pair and groove parameters of DNA were considered. These parameters were compared with normal B-DNA which was considered as the undamaged DNA. The formation of hydrogen bonds between drugs and DNA nucleotides was examined in solution. It was shown that oxaliplatin forms more hydrogen bonds than cisplatin. Our results confirm that the structure of the platinated DNA rearranges significantly and cisplatin tries to deform DNA more than oxaliplatin. The binding free energies were also investigated to understand the affinities, types and the contributions of interactions between drugs and DNA. It was concluded that oxaliplatin tendency for binding to DNA is more than cisplatin in solvent environment. The binding free energy was calculated based on the MM/PBSA and MM/GBSA methods and the results of QM/MM calculations verified them.
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Affiliation(s)
- Seifollah Jalili
- Department of Chemistry, K. N. Toosi University of Technology, P. O. Box 15875-4416, Tehran, Iran
- Computational Physical Sciences Research Laboratory, School of Nano-Science, Institute for Research in Fundamental Sciences (IPM), P. O. Box 19395-5531 Tehran, Iran
| | - Mina Maddah
- Department of Chemistry, K. N. Toosi University of Technology, P. O. Box 15875-4416, Tehran, Iran
| | - Jeremy Schofield
- Chemical Physics Theory Group, Department of Chemistry, University of Toronto, Ontario M5S 3H6, Canada
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Fatima S, Al-Mohaimeed N, Al-Shaikh Y, Tyagi P, Banu N, Hasan S, Arjumand S. Combined treatment of epigallocatechin gallate and Coenzyme Q10 attenuates cisplatin-induced nephrotoxicity via suppression of oxidative/nitrosative stress, inflammation and cellular damage. Food Chem Toxicol 2016; 94:213-20. [PMID: 27265264 DOI: 10.1016/j.fct.2016.05.023] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2016] [Revised: 05/07/2016] [Accepted: 05/28/2016] [Indexed: 12/11/2022]
Abstract
Cisplatin (CP), a platinum based anticancer drug is used as one of the first-line therapy for the treatment of different types of solid tumors. However, CP-induced side effects particularly, nephrotoxicity is a major concern. A single nephrotoxic dose (7 mg/kg body weight) of CP was administered in rats with or without, pre and post combined multidoses of epigallocatechin gallate (EGCG) and coenzyme Q10 (CoQ10) (15 and 5 mg/kg body weight respectively). CP administration resulted in marked increase in the nephrotoxic parameters with alterations in the oxidative and nitrosative stress markers. The concentration of inflammatory, as well as apoptotic markers were markedly up-regulated in the kidney of the CP-treated group. Furthermore, CP resulted in histological injury in the renal tissues. Combined antioxidant treatment significantly (p < 0.01) attenuated CP-induced oxidative stress, nitrosative stress, inflammatory and apoptotic parameters. Moreover, an improvement in the histopathological changes confirmed the nephroprotective effect of antioxidant treatment. In conclusion, our study indicates that the combinatorial multidoses of EGCG and CoQ10 ameliorate the cisplatin-mediated pathogenesis by improving renal oxidative/nitrosative status, inflammation and apoptosis and thus can be used as a promising protective agent to increase the efficacy of the drug by minimizing its major side effect i.e. nephrotoxicity.
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Affiliation(s)
- Sabiha Fatima
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, P.O. Box 10219, Riyadh, Saudi Arabia.
| | - Noura Al-Mohaimeed
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, P.O. Box 10219, Riyadh, Saudi Arabia
| | - Yazeed Al-Shaikh
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, P.O. Box 10219, Riyadh, Saudi Arabia
| | - Poonam Tyagi
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, P.O. Box 10219, Riyadh, Saudi Arabia
| | - Naheed Banu
- College of Medical Rehabilitation, Qassim University, Buraidah, 52451, Qassim, Saudi Arabia
| | - Shirin Hasan
- Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, Aligarh, 202002, India
| | - Sadia Arjumand
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, P.O. Box 10219, Riyadh, Saudi Arabia
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Silva TM, Fiuza SM, Marques MPM, Batista de Carvalho LAE, Amado AM. Conformational study and reassessment of the vibrational assignments for Norspermidine. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2016; 157:227-237. [PMID: 26774814 DOI: 10.1016/j.saa.2016.01.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Accepted: 01/04/2016] [Indexed: 06/05/2023]
Abstract
The present study presents and discusses the conformational preferences of Norspermidine (NSpd). The effects of varying the dielectric constant on the conformational preferences are discussed, with a view to infer which conformation will correspond to the most stable in the pure condensed liquid phase. Within the same context, a set of NSpd-NH3 molecular adducts were simulated in order to determine the relevance of intermolecular hydrogen bonding on the overall stability and relative positioning of the respective vibrational frequencies. The calculations presently performed allowed a reassessment of the vibrational assignments for NSpd. A full assignment of the NSpd vibrational spectra is presented, with special emphasis being given to the vibrational modes that proved to be most affected by hydrogen bonding. The various inconsistencies of a prior study found in the literature were identified and rectified.
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Affiliation(s)
- T M Silva
- I&D Unit "Química-Física Molecular", Department of Chemistry, Faculty of Science and Technology, University of Coimbra, P-3004-535 Coimbra, Portugal
| | - S M Fiuza
- I&D Unit "Química-Física Molecular", Department of Chemistry, Faculty of Science and Technology, University of Coimbra, P-3004-535 Coimbra, Portugal
| | - M P M Marques
- I&D Unit "Química-Física Molecular", Department of Chemistry, Faculty of Science and Technology, University of Coimbra, P-3004-535 Coimbra, Portugal; Department of Life Sciences, University of Coimbra, 3000-456 Coimbra, Portugal
| | - L A E Batista de Carvalho
- I&D Unit "Química-Física Molecular", Department of Chemistry, Faculty of Science and Technology, University of Coimbra, P-3004-535 Coimbra, Portugal
| | - A M Amado
- I&D Unit "Química-Física Molecular", Department of Chemistry, Faculty of Science and Technology, University of Coimbra, P-3004-535 Coimbra, Portugal.
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On the correction of calculated vibrational frequencies for the effects of the counterions - α,ω-diamine dihydrochlorides. J Mol Model 2015; 21:266. [PMID: 26386957 DOI: 10.1007/s00894-015-2818-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Accepted: 09/07/2015] [Indexed: 10/23/2022]
Abstract
The present work provides sets of correction factors to adjust the calculated vibrational frequencies of a series of α,ω-diamines hydrochloride salts to account for the intermolecular interactions with the counterion. The study was performed using different theory levels for predicting the vibrational data of isolated dicationic α,ω-diamines and their hydrochloride forms, with and without the explicit account of the interactions with the chloride counterions. Different sets of correction factors were determined for each theory level considering the four smallest elements for the α,ω-diamines series, while their transferability and reliability was evaluated considering the larger elements of the series. The theory level simplification was also evaluated and was found to neither compromise the vibrational frequencies estimates nor the magnitude and accuracy of the pre-defined scaling factors. This suggests that transferability of the correction factors is possible not only for different diamines but also between different levels of theory with the averaged group correction factor, ζ g (a) , being the best choice to account for the effects of the N-H · · · Cl interactions. The possibility of simplifying the theory level without compromising efficiency and accuracy is additionally of utmost importance. This computational approach can constitute a valuable tool in the future for studying the hydrochloride forms of larger and more complex diamine systems. Graphical Abstract A computational approach that may constitute a valuable tool for studying the hydrochloride forms of large and complex diamine systems. Correction factors to adjust the vibrational frequencies calculated for isolated dicationic primary diamines for the effects of the interactions with chloride counterions, without their explicit account in the calculations, are presented and evaluated for eficiency.
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