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Khursheed S, Siddique HR, Tabassum S, Arjmand F. Water soluble transition metal [Ni(II), Cu(II) and Zn(II)] complexes of N-phthaloylglycinate bis(1,2-diaminocyclohexane). DNA binding, pBR322 cleavage and cytotoxicity. Dalton Trans 2022; 51:11713-11729. [PMID: 35852297 DOI: 10.1039/d2dt01312f] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
To validate the effect of metal ions in analogous ligand scaffolds on DNA binding and cytotoxic response, we have synthesized a series of water-soluble ionic N-phthaloylglycinate conjugated bis(diaminocyclohexane)M2+ complexes where M = Ni(II), Cu(II) and Zn(II) (1-3). The structural characterization of the complexes (1-3) was achieved by spectroscopic {FT-IR, EPR, UV-vis absorption data, 1H NMR, ESI-MS and elemental analysis} and single crystal X-ray diffraction studies, which revealed different topologies for the late 3d-transition metals. The Ni(II) and Zn(II) complexes exhibited an octahedral geometry with coordinated labile water molecules in the P1̄ space group while the Cu(II) complex revealed a square planar geometry with the P21/c space lattice. In vitro DNA-complexation studies were performed employing various complementary biophysical methods to quantify the intrinsic binding constant Kb and Ksv values and to envisage the binding modes and binding affinity of (1-3) at the therapeutic targets. The corroborative results of these experiments revealed a substantial geometric and electronic effect of (1-3) on DNA binding and the following inferences were observed, (i) high Kb and Ksv values, (ii) remarkable cleavage efficiency via an oxidative pathway, (iii) condensation behavior and (iv) good cytotoxic response to HepG2 and PTEN-caP8 cancer cell lines, with copper(II) complex 2 outperforming the other two complexes as a most promising anticancer drug candidate. Copper(II) complexes have been proven in the literature to be good anticancer drug entities, displaying inhibition of uncontrolled-cell growth by multiple pathways viz., anti-angiogenesis, inducing apoptosis and reactive oxygen species mediated cell death phenomena. Nickel(II) and zinc(II) ionic complexes 1 and 3 have also demonstrated good chemotherapeutic potential in vitro and the bioactive 1,2-diaminocyclohexane fragment in these complexes plays an instrumental role in anticancer activity.
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Affiliation(s)
- Salman Khursheed
- Department of Chemistry, Aligarh Muslim University, Aligarh, India.
| | - Hifzur R Siddique
- Cytogenetics and Molecular Toxicology Laboratory, Section of Genetics, Department of Zoology, Aligarh Muslim University, Aligarh 202002, Uttar Pradesh, India
| | - Sartaj Tabassum
- Department of Chemistry, Aligarh Muslim University, Aligarh, India.
| | - Farukh Arjmand
- Department of Chemistry, Aligarh Muslim University, Aligarh, India.
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2
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Nadar R, Franssen G, Van Dijk N, Codee-van der Schilden K, de Weijert M, Oosterwijk E, Iafisco M, Margiotta N, Heskamp S, van den Beucken J, Leeuwenburgh S. Bone tumor-targeted delivery of theranostic 195mPt-bisphosphonate complexes promotes killing of metastatic tumor cells. Mater Today Bio 2021; 9:100088. [PMID: 33490949 PMCID: PMC7809194 DOI: 10.1016/j.mtbio.2020.100088] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 11/24/2020] [Accepted: 11/27/2020] [Indexed: 02/07/2023] Open
Abstract
Platinum-based drugs such as cisplatin are very potent chemotherapeutics, whereas radioactive platinum (195mPt) is a rich source of low-energy Auger electrons, which kills tumor cells by damaging DNA. Auger electrons damage cells over a very short range. Consequently, 195mPt-based radiopharmaceuticals should be targeted toward tumors to maximize radiotherapeutic efficacy and minimize Pt-based systemic toxicity. Herein, we show that systemically administered radioactive bisphosphonate-functionalized platinum (195mPt-BP) complexes specifically accumulate in intratibial bone metastatic lesions in mice. The 195mPt-BP complexes accumulate 7.3-fold more effectively in bone 7 days after systemic delivery compared to 195mPt-cisplatin lacking bone-targeting bisphosphonate ligands. Therapeutically, 195mPt-BP treatment causes 4.5-fold more γ-H2AX formation, a biomarker for DNA damage in metastatic tumor cells compared to 195mPt-cisplatin. We show that systemically administered 195mPt-BP is radiotherapeutically active, as evidenced by an 11-fold increased DNA damage in metastatic tumor cells compared to non-radioactive Pt-BP controls. Moreover, apoptosis in metastatic tumor cells is enhanced more than 3.4-fold upon systemic administration of 195mPt-BP vs. radioactive 195mPt-cisplatin or non-radioactive Pt-BP controls. These results provide the first preclinical evidence for specific accumulation and strong radiotherapeutic activity of 195mPt-BP in bone metastatic lesions, which offers new avenues of research on radiotherapeutic killing of tumor cells in bone metastases by Auger electrons.
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Affiliation(s)
- R.A. Nadar
- Department of Dentistry – Regenerative Biomaterials, Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Philips van Leydenlaan 25, 6525 EX, Nijmegen, the Netherlands
| | - G.M. Franssen
- Department of Radiology and Nuclear Medicine, Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Geert Grooteplein Zuid 10, 6525 GA, Nijmegen, the Netherlands
| | - N.W.M. Van Dijk
- Department of Dentistry – Regenerative Biomaterials, Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Philips van Leydenlaan 25, 6525 EX, Nijmegen, the Netherlands
| | | | - M. de Weijert
- Department of Urology, Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, 6500 HB, Nijmegen, the Netherlands
| | - E. Oosterwijk
- Department of Urology, Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, 6500 HB, Nijmegen, the Netherlands
| | - M. Iafisco
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018, Faenza, Italy
| | - N. Margiotta
- Dipartimento di Chimica, Università degli Studi di Bari Aldo Moro, Via E. Orabona 4, 70125 Bari, Italy
| | - S. Heskamp
- Department of Radiology and Nuclear Medicine, Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Geert Grooteplein Zuid 10, 6525 GA, Nijmegen, the Netherlands
| | - J.J.J.P. van den Beucken
- Department of Dentistry – Regenerative Biomaterials, Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Philips van Leydenlaan 25, 6525 EX, Nijmegen, the Netherlands
| | - S.C.G. Leeuwenburgh
- Department of Dentistry – Regenerative Biomaterials, Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Philips van Leydenlaan 25, 6525 EX, Nijmegen, the Netherlands
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018, Faenza, Italy
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3
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Targeting of radioactive platinum-bisphosphonate anticancer drugs to bone of high metabolic activity. Sci Rep 2020; 10:5889. [PMID: 32246003 PMCID: PMC7125202 DOI: 10.1038/s41598-020-62039-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Accepted: 03/06/2020] [Indexed: 11/08/2022] Open
Abstract
Platinum-based chemotherapeutics exhibit excellent antitumor properties. However, these drugs cause severe side effects including toxicity, drug resistance, and lack of tumor selectivity. Tumor-targeted drug delivery has demonstrated great potential to overcome these drawbacks. Herein, we aimed to design radioactive bisphosphonate-functionalized platinum (195mPt-BP) complexes to confirm preferential accumulation of these Pt-based drugs in metabolically active bone. In vitro NMR studies revealed that release of Pt from Pt BP complexes increased with decreasing pH. Upon systemic administration to mice, Pt-BP exhibited a 4.5-fold higher affinity to bone compared to platinum complexes lacking the bone-seeking bisphosphonate moiety. These Pt-BP complexes formed less Pt-DNA adducts compared to bisphosphonate-free platinum complexes, indicating that in vivo release of Pt from Pt-BP complexes proceeded relatively slow. Subsequently, radioactive 195mPt-BP complexes were synthesized using 195mPt(NO3)2(en) as precursor and injected intravenously into mice. Specific accumulation of 195mPt-BP was observed at skeletal sites with high metabolic activity using micro-SPECT/CT imaging. Furthermore, laser ablation-ICP-MS imaging of proximal tibia sections confirmed that 195mPt BP co-localized with calcium in the trabeculae of mice tibia.
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Qin QP, Wang ZF, Huang XL, Tan MX, Luo ZH, Wang SL, Zou BQ, Liang H. Two telomerase-targeting Pt(ii) complexes of jatrorrhizine and berberine derivatives induce apoptosis in human bladder tumor cells. Dalton Trans 2020; 48:15247-15254. [PMID: 31577283 DOI: 10.1039/c9dt02381j] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Two novel Pt(ii) complexes, [Pt(B-TFA)Cl]Cl (Pt1) and [Pt(J-TFA)Cl]Cl (Pt2) with jatrorrhizine and berberine derivatives (B-TFA and J-TFA) were first prepared as desirable luminescent agents for cellular applications and potent telomerase inhibitors, which can induce bladder T-24 tumor cell apoptosis by targeting telomerase, together with induction of mitochondrial dysfunction, telomere DNA damage and cell-cycle arrest. Importantly, T-24 tumor inhibition rate (TIR) was 50.4% for Pt2, which was higher than that of Pt1 (26.4%) and cisplatin (37.1%). Taken together, all the results indicated that jatrorrhizine and berberine derivatives Pt1 and Pt2 show low toxicity and could be novel Pt-based anti-cancer drug candidates.
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Affiliation(s)
- Qi-Pin Qin
- Guangxi Key Lab of Agricultural Resources Chemistry and Biotechnology, College of Chemistry and Food Science, Yulin Normal University, 1303 Jiaoyudong Road, Yulin 537000, PR China.
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Romanenko VD. α-Heteroatom-substituted gem-Bisphosphonates: Advances in the Synthesis and Prospects for Biomedical Application. CURR ORG CHEM 2019. [DOI: 10.2174/1385272823666190401141844] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Functionalized gem-bisphosphonic acid derivatives being pyrophosphate isosteres are of great synthetic and biological interest since they are currently the most important class of drugs developed for the treatment of diseases associated with the disorder of calcium metabolism, including osteoporosis, Paget’s disease, and hypercalcemia. In this article, we will try to give an in-depth overview of the methods for obtaining α- heteroatom-substituted methylenebisphosphonates and acquaint the reader with the synthetic strategies that are used to develop biologically important compounds of this type.
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Affiliation(s)
- Vadim D. Romanenko
- V. P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry, National Academy of Sciences of Ukraine, 1-Murmanska Street, Kyiv-94, 02660, Ukraine
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Kozachkova O, Tsaryk N, Pekhnyo V, Trachevskyi V, Rozhenko A, Dyakonenko V. Complexation of dichloro(ethylenediamine)palladium(II) with 1-hydroxyethylidene-1,1-diphosphonic acid. Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2018.01.034] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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7
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Anticancer evaluation and drug delivery of new palladium(II) complexes based on the chelate of alendronate onto hydroxyapatite nanoparticles. Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2017.12.015] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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8
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Sun Y, Zhao J, Ji Z. Bifunctional Platinum(II) Complexes with Bisphosphonates Substituted Diamine Derivatives: Synthesis and In vitro Cytotoxicity. Chem Biodivers 2017; 14. [PMID: 28975737 DOI: 10.1002/cbdv.201700348] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Accepted: 09/27/2017] [Indexed: 01/28/2023]
Abstract
A series of N,N'-dibisphosphonate-containing 1,3-propanediamine derivatives (L1 - L6) and their corresponding dichloridoplatinum(II) complexes (1 - 6) have been synthesized and characterized by elemental analysis, 1 H-NMR, 13 C-NMR, 31 P-NMR and HR-MS spectra. The in vitro antitumor activities of compounds L1 - L6 and 1 - 6 were tested by WST-8 assay with Cell Counting Kit-8, indicating that platinum-based complexes 1 - 6 showed higher cytotoxicity than corresponding ligands L1 - L6 against A549 and MG-63, especially complex 2 which displayed comparable cytotoxicity to those of cisplatin and zoledronate after 48 h incubation. In addition, complexes 1 - 6 were more active in vitro on osteosarcoma cell line MG-63 than normal osteoblast cell line hFOB 1.19. The structure-activity relationship has been summarized based on the in vitro cytotoxicity of three series of platinum complexes from this and our previous studies. The in vitro bone affinity of platinum complexes was also tested by hydroxyapatite (HAP) chromatography in terms of capacity factor K'. Besides, in this paper, representative complex 2, which has been proved to be a promising antitumor agent with high cytotoxicity and bone HAP binding property, was investigated for its mechanism of action producing cell death against MG-63.
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Affiliation(s)
- Yanyan Sun
- School of Chemistry Biology and Material Engineering, Suzhou University of Science and Technology, Suzhou, 215009, P. R. China
| | - Jian Zhao
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, P. R. China
| | - Zhongling Ji
- School of Chemistry Biology and Material Engineering, Suzhou University of Science and Technology, Suzhou, 215009, P. R. China
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9
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Curci A, Gandin V, Marzano C, Hoeschele JD, Natile G, Margiotta N. Novel Kiteplatin Pyrophosphate Derivatives with Improved Efficacy. Inorg Chem 2017. [PMID: 28636387 DOI: 10.1021/acs.inorgchem.7b00931] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Two new Pt(II) derivatives of kiteplatin ([PtCl2(cis-1,4-DACH)]) with pyrophosphate as carrier ligand, one mononuclear (1) and one dinuclear (2), were synthesized with the aim of potentiating the efficacy of kiteplatin. Complex 1 resulted to be remarkably stable at physiological pH, but it undergoes a fast hydrolysis reaction at acidic pH releasing free pyrophosphate and (aquated) kiteplatin. The dinuclear compound 2 resulted to be less stable than 1 at both neutral and acidic pH forming 1 and (aquated) kiteplatin as first step. Both compounds (1 and 2) do not react as such with 5'-GMP, whereas their hydrolysis products readily form adducts with the nucleotide. The in vitro cytotoxicity assays against a panel of six human cancer cell lines showed that complex 2 affects cancer cell viability even at nanomolar concentrations. The cytotoxic activity of 2 is greater (up to 2 orders of magnitude) than that of cisplatin, oxaliplatin, and kiteplatin, whereas the mononuclear complex 1 has shown a cytotoxic activity comparable to that of oxaliplatin and kiteplatin, but higher than cisplatin. The latter result is not surprising, since the presence of two negative charges reduces the uptake of 1 into the tumor cells as compared to the neutral compound 2. The remarkable activity of 2 against the pancreatic cell line BxPC3 (average IC50 = 0.07 μM) deserves further investigation.
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Affiliation(s)
- Alessandra Curci
- Department of Chemistry, University of Bari Aldo Moro , Via E. Orabona 4, 70125 Bari, Italy
| | - Valentina Gandin
- Department of Pharmaceutical and Pharmacological Sciences, University of Padua , Via Marzolo 5, 35131 Padova, Italy
| | - Cristina Marzano
- Department of Pharmaceutical and Pharmacological Sciences, University of Padua , Via Marzolo 5, 35131 Padova, Italy
| | - James D Hoeschele
- Department of Chemistry, Eastern Michigan University , 48197 Ypsilanti, Michigan, United States
| | - Giovanni Natile
- Department of Chemistry, University of Bari Aldo Moro , Via E. Orabona 4, 70125 Bari, Italy
| | - Nicola Margiotta
- Department of Chemistry, University of Bari Aldo Moro , Via E. Orabona 4, 70125 Bari, Italy
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10
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Sun Y, Wu X, Chen L, Luo L. Synthesis and cytotoxicity of N,N′-dibisphosphonate ethylenediamine derivatives and platinum(II) complexes with high binding property to hydroxyapatite. Inorganica Chim Acta 2017. [DOI: 10.1016/j.ica.2016.12.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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11
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Sun Y, Chen L, Wu X, Ding Q. Bifunctional bisphosphonate derivatives and platinum complexes with high affinity for bone hydroxyapatite. Bioorg Med Chem Lett 2017; 27:1070-1075. [DOI: 10.1016/j.bmcl.2016.12.050] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Revised: 12/15/2016] [Accepted: 12/20/2016] [Indexed: 10/20/2022]
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12
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Farbod K, Sariibrahimoglu K, Curci A, Hayrapetyan A, Hakvoort JN, van den Beucken JJ, Iafisco M, Margiotta N, Leeuwenburgh SC. Controlled Release of Chemotherapeutic Platinum–Bisphosphonate Complexes from Injectable Calcium Phosphate Cements. Tissue Eng Part A 2016; 22:788-800. [DOI: 10.1089/ten.tea.2016.0001] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Affiliation(s)
- Kambiz Farbod
- Department of Biomaterials, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Kemal Sariibrahimoglu
- Department of Biomaterials, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Alessandra Curci
- Department of Chemistry, Università degli Studi di Bari Aldo Moro, Bari, Italy
| | - Astghik Hayrapetyan
- Department of Biomaterials, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Jan N.W. Hakvoort
- Department of Biomaterials, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Jeroen J.J.P. van den Beucken
- Department of Biomaterials, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Michele Iafisco
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Faenza, Italy
| | - Nicola Margiotta
- Department of Chemistry, Università degli Studi di Bari Aldo Moro, Bari, Italy
| | - Sander C.G. Leeuwenburgh
- Department of Biomaterials, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
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13
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Benedetti M, De Castro F, Romano A, Migoni D, Piccinni B, Verri T, Lelli M, Roveri N, Fanizzi FP. Adsorption of the cis-[Pt(NH3)2(P2O7)]2− (phosphaplatin) on hydroxyapatite nanocrystals as a smart way to selectively release activated cis-[Pt(NH3)2Cl2] (cisplatin) in tumor tissues. J Inorg Biochem 2016; 157:73-9. [DOI: 10.1016/j.jinorgbio.2016.01.019] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2015] [Revised: 12/22/2015] [Accepted: 01/18/2016] [Indexed: 01/02/2023]
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14
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Preparation and Biological Evaluation of Two Novel Platinum(II) Complexes Based on the Ligands of Dipicolyamine Bisphosphonate Esters. Molecules 2016; 21:255. [PMID: 26927037 PMCID: PMC6272982 DOI: 10.3390/molecules21030255] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2015] [Revised: 02/01/2016] [Accepted: 02/02/2016] [Indexed: 11/29/2022] Open
Abstract
Two new platinum(II)-based complexes bearing a bone-targeting group were synthesized and characterized. They both have excellent affinity for hydroxyapatite (HA), which is abundant in human bone tissues. Their antitumor activities against five human cancer cell lines (U2OS, A549, HCT116, MDA-MB-231 and HepG2) were evaluated and compared with cisplatin (CDDP). Though the antitumor efficacies of new complexes are lower than that of CDDP, they show higher selectivity against the HepG2 hepatoma cell line than the L02 normal liver cell line. Morphology studies exhibited typical characteristics of cell apoptosis and the cell cycle distribution analysis indicated that the complexes can inhibit cancer cells by inducing cell cycle arrest at the G2/M phase, a similar mechanism of action to CDDP.
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15
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Farbod K, Curci A, Diba M, Zinkevich T, Kentgens APM, Iafisco M, Margiotta N, Leeuwenburgh SCG. Dual-functionalisation of gelatine nanoparticles with an anticancer platinum(ii)–bisphosphonate complex and mineral-binding alendronate. RSC Adv 2016. [DOI: 10.1039/c6ra19915a] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Mineral-binding gelatine nanoparticles can be loaded with tailored amounts of anticancer molecules, which may benefit the development of bone-seeking carriers for targeted delivery of drugs to treat bone tumours.
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Affiliation(s)
- Kambiz Farbod
- Department of Biomaterials
- Radboud Institute for Molecular Life Sciences
- Radboud University Medical Center
- 6525 EX Nijmegen
- The Netherlands
| | - Alessandra Curci
- Dipartimento di Chimica
- Università degli Studi di Bari Aldo Moro
- 70125 Bari
- Italy
| | - Mani Diba
- Department of Biomaterials
- Radboud Institute for Molecular Life Sciences
- Radboud University Medical Center
- 6525 EX Nijmegen
- The Netherlands
| | - Tatiana Zinkevich
- Department of Solid State NMR
- Institute for Molecules and Materials
- Radboud University
- 6525 AJ Nijmegen
- The Netherlands
| | - Arno P. M. Kentgens
- Department of Solid State NMR
- Institute for Molecules and Materials
- Radboud University
- 6525 AJ Nijmegen
- The Netherlands
| | - Michele Iafisco
- Institute of Science and Technology for Ceramics (ISTEC)
- National Research Council (CNR)
- 48018 Faenza
- Italy
| | - Nicola Margiotta
- Dipartimento di Chimica
- Università degli Studi di Bari Aldo Moro
- 70125 Bari
- Italy
| | - Sander C. G. Leeuwenburgh
- Department of Biomaterials
- Radboud Institute for Molecular Life Sciences
- Radboud University Medical Center
- 6525 EX Nijmegen
- The Netherlands
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16
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Synthesis and biological evaluation of novel platinum complexes of imidazolyl-containing bisphosphonates as potential anticancer agents. J Biol Inorg Chem 2015; 20:1263-75. [DOI: 10.1007/s00775-015-1305-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Accepted: 10/17/2015] [Indexed: 10/22/2022]
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17
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Benedetti M, Antonucci D, De Castro F, Girelli CR, Lelli M, Roveri N, Fanizzi FP. Metalated nucleotide chemisorption on hydroxyapatite. J Inorg Biochem 2015; 153:279-283. [PMID: 26050880 DOI: 10.1016/j.jinorgbio.2015.04.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2015] [Revised: 04/07/2015] [Accepted: 04/09/2015] [Indexed: 12/16/2022]
Abstract
The experiments here reported evidence on the importance of the residual charge of a nucleotide derivative, for the adsorption on nHAP (hydroxyapatite nanocrystals), in water solution. We found that the simple presence of phosphates on the nucleotide derivative does not guarantee adsorption on nHAP. On the other hand, we demonstrated that a cationic or neutral charge on a nucleotide derivative produces a strongly reduced chemical adsorption (chemisorption) whereas, in the presence of a net negative charge, relevant adsorption on nHAP is observed. The number of phosphates can only modulate the adsorption efficiency of a molecule provided that this latter bears an overall negative charge. The neutral zwitterionic nucleotide Pt(II) complexes, bearing negatively charged phosphates, are unable to give stable chemisorption. Previous considerations are important to model the binding ability of phosphate bearing nucleotide derivatives or molecules on hydroxyapatite. The findings reported in the present paper could be relevant in bone tissue targeting or nHAP mediated drug delivery.
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Affiliation(s)
- Michele Benedetti
- University of Salento, Department of Biological and Environmental Sciences and Technologies, Via Monteroni, 73100, Lecce, Italy.
| | - Daniela Antonucci
- University of Salento, Department of Biological and Environmental Sciences and Technologies, Via Monteroni, 73100, Lecce, Italy
| | - Federica De Castro
- University of Salento, Department of Biological and Environmental Sciences and Technologies, Via Monteroni, 73100, Lecce, Italy
| | - Chiara R Girelli
- University of Salento, Department of Biological and Environmental Sciences and Technologies, Via Monteroni, 73100, Lecce, Italy
| | - Marco Lelli
- University of Bologna, Department of Chemistry "G. Ciamician", Via Selmi 2, 40126, Bologna Italy
| | - Norberto Roveri
- University of Bologna, Department of Chemistry "G. Ciamician", Via Selmi 2, 40126, Bologna Italy
| | - Francesco P Fanizzi
- University of Salento, Department of Biological and Environmental Sciences and Technologies, Via Monteroni, 73100, Lecce, Italy.
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18
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Formulation, characterisation and in vitro studies of doxorubicin-loaded silica–polydimethylsiloxane granules. Eur J Pharm Sci 2015; 66:10-9. [DOI: 10.1016/j.ejps.2014.09.016] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2014] [Revised: 09/12/2014] [Accepted: 09/18/2014] [Indexed: 11/30/2022]
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19
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Khemchyan LL, Ivanova JV, Zalesskiy SS, Ananikov VP, Beletskaya IP, Starikova ZA. Unprecedented Control of Selectivity in Nickel-Catalyzed Hydrophosphorylation of Alkynes: Efficient Route to Mono- and Bisphosphonates. Adv Synth Catal 2014. [DOI: 10.1002/adsc.201400123] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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20
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Luo XJ, Zhang XQ. Poly[tri-μ-aqua-di-aqua-μ-phosphono-formato-cobalt(II)sodium]. Acta Crystallogr Sect E Struct Rep Online 2013; 69:i35. [PMID: 23794966 PMCID: PMC3684864 DOI: 10.1107/s1600536813012853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2013] [Accepted: 05/09/2013] [Indexed: 12/01/2022]
Abstract
The title complex, [CoNa(CO5P)(H2O)5]n, was obtained by reacting sodium phosphonoformate with cobalt nitrate. The complex contains cobalt(II) and sodium ions, which are bridged by the O atoms of two aqua ligands. The CoII ion is octahedrally coordinated by three phosphonoformato ligands (one bi- and the other monodentate) and by two O atoms from the bridging aqua ligands. The sodium cation is hexacoordinated by six O atoms from four bridging and two terminal aqua ligands. The complex molecules are linked to give a three-dimensional structure by phosphonoformate ligands bridging CoII atoms and water molecules establishing cobalt–sodium bridges. O—H⋯O hydrogen bonding between the aqua ligands and all O atoms of the phosphonoformato ligand and neighbouring aqua ligands help to consolidate the packing.
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Affiliation(s)
- Xu-Jian Luo
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, People's Republic of China
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Alanne AL, Lahtinen M, Löfman M, Turhanen P, Kolehmainen E, Vepsäläinen J, Sievänen E. First bisphosphonate hydrogelators: potential composers of biocompatible gels. J Mater Chem B 2013; 1:6201-6212. [DOI: 10.1039/c3tb20957a] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Zanellato I, Bonarrigo I, Gabano E, Ravera M, Margiotta N, Betta PG, Osella D. Metallo-drugs in the treatment of malignant pleural mesothelioma. Inorganica Chim Acta 2012. [DOI: 10.1016/j.ica.2012.06.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Babaryk AA, Kozachkova AN, Tsaryk NV, Dudko AV, Pekhnyo VI. Binary salt of a palladium(II) complex with (phosphonomethyl)phosphonic (medronic) acid comprising 'handbell-like' [Pd{μ-CH2(PO3)2}]3 units. Acta Crystallogr C 2012; 68:m242-5. [PMID: 22935490 DOI: 10.1107/s0108270112031368] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2012] [Accepted: 07/10/2012] [Indexed: 11/10/2022] Open
Abstract
The asymmetric unit of the title compound, dipotassium bis[hexaaquanickel(II)] tris(μ(2)-methylenediphosphonato)tripalladium(II) hexahydrate, K(2)[Ni(H(2)O)(6)](2)[Pd(3){CH(2)(PO(3))(2)}(3)]·6H(2)O, consists of half a {[Pd{CH(2)(PO(3))(2)}](3)}(6-) anion [one Pd atom (4e) and a methylene C atom (4e) occupy positions on a twofold axis] in a rare 'handbell-like' arrangement, with K(+) and [Ni(H(2)O)(6)](2+) cations to form the neutral complex, completed by three solvent water molecules. The {[Pd{CH(2)(PO(3))(2)}](3)}(6-) units exhibit close Pd···Pd separations of 3.0469 (4) Å and are packed via intermolecular C-H···Pd hydrogen bonds. The [KO(9)] and [NiO(6)] units are assembled into sheets coplanar with (011) and stacked along the [100] direction. Within these sheets there are [K(4)Ni(4)O(8)] and [K(2)Ni(2)O(4)] loops. Successive alternation of the sheets and [Pd{CH(2)(PO(3))(2)}](3) units parallel to [001] produces the three-dimensional packing, which is also supported by a dense network of hydrogen bonds involving the solvent water molecules.
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Affiliation(s)
- Artem A Babaryk
- Institute of General and Inorganic Chemistry, National Academy of Sciences of Ukraine Kyiv, prospekt Palladina 32/34, 03680 Kyiv, Ukraine.
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Piccinonna S, Margiotta N, Pacifico C, Lopalco A, Denora N, Fedi S, Corsini M, Natile G. Dinuclear Pt(II)-bisphosphonate complexes: a scaffold for multinuclear or different oxidation state platinum drugs. Dalton Trans 2012; 41:9689-99. [PMID: 22782180 DOI: 10.1039/c2dt30712j] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Geminal bisphosphonates (BPs), used in the clinic for the treatment of hypercalcaemia and skeletal metastases, have been also exploited for promoting the specific accumulation of platinum antitumor drugs in bone tissue. In this work, the platinum dinuclear complex [{Pt(en)}(2)(μ-AHBP-H(2))](+) (1) (the carbon atom bridging the two phosphorous atoms carrying a 2-ammonioethyl and a hydroxyl group, AHBP-H(2)) has been used as scaffold for the synthesis of a Pt(II) trinuclear complex, [{Pt(en)}(3)(μ-AHBP)](+) (2), and a Pt(IV) adamantane-shaped dinuclear complex featuring an oxo-bridge, [{Pt(IV)(en)Cl}(2)(μ-O)(μ-AHBP-H(2))](+) (3) (X-ray structure). Compound 2 undergoes a reversible, pH dependent, rearrangement with a neat switch point around pH = 5.4. Compound 3 undergoes a one-step electrochemical reduction at E(pc) = -0.84 V affording compound 1. Such a potential is far lower than that of glutathione (-0.24 V), nevertheless compound 3 can undergo chemical reduction to 1 by GSH, most probably through a different (inner-sphere) mechanism. In vitro cytotoxicity of the new compounds, tested against murine glioma (C6) and human cervix (HeLa) and hepatoma (HepG2) cell lines, has shown that, while the Pt(IV) dimer 3 is inactive up to a concentration of 50 μM, the two Pt(II) polynuclear compounds 1 and 2 have a cytotoxicity comparable to that of cisplatin with the trinuclear complex 2 generally more active than the dinuclear complex 1.
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Affiliation(s)
- Sara Piccinonna
- Dipartimento Farmaco-Chimico, Università degli Studi di Bari, Via E. Orabona 4, 70125 Bari, Italy
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Silica xerogels and hydroxyapatite nanocrystals for the local delivery of platinum-bisphosphonate complexes in the treatment of bone tumors: a mini-review. J Inorg Biochem 2012; 117:237-47. [PMID: 22824154 DOI: 10.1016/j.jinorgbio.2012.06.004] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2012] [Revised: 05/24/2012] [Accepted: 06/06/2012] [Indexed: 11/20/2022]
Abstract
The present review focuses on the "drug targeting and delivery" approach of the selective transportation of cisplatin to bone tumors and bone metastases. This aim is realized by binding cisplatin to (bis)phosphonate ligands or their derivatives. Geminal bisphosphonates are in clinical use in the treatment of several bone-related diseases because of their high affinity for calcium ions and hence for bones. Platinum-bisphosphonate complexes may be easily loaded onto calcium-containing inorganic matrices, such as calcium-doped sol-gel derived silica xerogels and hydroxyapatite nanocrystals, for local administration at the site of the bone malignancy. The composites may be used as bone-filler materials that, in addition to their action as bone substitutes, can also act as controlled platinum-drug releasing agents. The release kinetics of the drug can be tailored for specific therapeutic applications modulating the physico-chemical features of the inorganic matrices. Moreover, apatite nanocrystals loaded with platinum-bisphosphonate prodrugs can be used as injectable material for nanomedical applications (e.g. intracellular drug delivery).
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Scaffidi-Domianello YY, Legin AA, Jakupec MA, Roller A, Kukushkin VY, Galanski M, Keppler BK. Novel oximato-bridged platinum(II) di- and trimer(s): synthetic, structural, and in vitro anticancer activity studies. Inorg Chem 2012; 51:7153-63. [PMID: 22691006 DOI: 10.1021/ic300148e] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Novel platinum complexes of trans geometry [PtCl(2){(Z)-R(H)C═NOH}(2)] [R = Me (1), Et (3)] and [PtCl(2){(E)-R(H)C═NOH}{(Z)-R(H)C═NOH}] [R = Me (2), Et (4)] as well as the classic trans-[PtCl(2)(R(2)C═NOH)(2)] [R = Me, Et] were reacted with an equivalent amount of silver acetate in acetone solution at ambient temperature, resulting in formation of unprecedented head-to-tail-oriented oximato-bridged dimers [PtCl{μ-(Z)-R(H)C═NO}{(Z)-R(H)C═NOH}](2) [R = Me (5), Et (7)], [PtCl{μ-(Z)-R(H)C═NO}{(E)-R(H)C═NOH}](2) [R = Me (6), Et (8)], and [PtCl(μ-R(2)C═NO)(R(2)C═NOH)](2) [R = Me (9), Et (10)], correspondingly. The dimeric species feature a unique six-membered diplatinacycle and represent the first example of oxime ligands coordinated to platinum via the oxygen atom. All complexes were characterized by elemental analyses, electrospray ionization mass spectrometry, IR and multinuclear ((1)H, (13)C, and (195)Pt) NMR spectroscopy, as well as X-ray diffraction in the cases of dimers 6 and 9. Furthermore, the crystal and molecular structures of a trimeric oximato-bridged complex 11 comprising three platinum units connected in a chain way were established. The cytotoxicity of both dimers and the respective monomers was comparatively evaluated in three human cancer cell lines: cisplatin-sensitive CH1 cells as well as cisplatin-resistant SW480 and A549 cells, whereupon structure-activity relationships were drawn. Thus, it was found that dimerization results in a substantial (up to 7-fold) improvement of IC(50) values of (aldoxime)Pt(II) compounds, whereas for the analogous complexes featuring ketoxime ligands the reverse trend was observed. Remarkably, the novel dimers yielded no cross-resistance with cisplatin in SW480 cells, exhibiting up to 2-fold enhanced cytotoxicity in comparison with the CH1 cell line and thereby possessing a promising potential to overcome resistance toward platinum anticancer drugs. The latter point was also confirmed by investigating the potency of apoptosis induction in the case of one monomer as well as one dimer; the investigated complexes proved to be strong apoptotic agents which could induce cell death even in the cisplatin-resistant SW480 cell line.
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Iafisco M, Palazzo B, Martra G, Margiotta N, Piccinonna S, Natile G, Gandin V, Marzano C, Roveri N. Nanocrystalline carbonate-apatites: role of Ca/P ratio on the upload and release of anticancer platinum bisphosphonates. NANOSCALE 2012; 4:206-217. [PMID: 22075933 DOI: 10.1039/c1nr11147g] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
In the present study two nanocrystalline apatites have been investigated as bone-specific drug delivery devices to be used for treatment of bone tumors either by local implantation or by injection. In order to assess how the Ca/P ratio can influence the adsorption and release of anticancer platinum-bisphosphonate complexes, two kinds of apatite nanocrystals having different Ca/P ratios but similar morphologies, degree of crystallinity, and surface areas have been synthesized and characterized. The two platinum-bisphosphonate complexes considered were the bis-{ethylenediamineplatinum(ii)}-2-amino-1-hydroxyethane-1,1-diyl-bisphosphonate and the bis-{ethylenediamineplatinum(ii)}medronate. The Ca/P ratio plays an important role in the adsorption as well as in the release of the two drugs. In fact, the apatite with a higher Ca/P ratio showed greater affinity for both platinum complexes. Also the chemical structure of the two Pt complexes appreciably affects their affinity towards as well as their release from the two kinds of apatites. In particular, the platinum complex whose bisphosphonate contains a free aminic group showed greater upload and smaller release. The cytotoxicity of the Pt complexes released from the apatite was tested against human cervical, colon, and lung cancer cells as well as against osteosarcoma cells. In agreement with previous work, the Pt complexes released were found to be more cytotoxic than the unmodified complexes.
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Affiliation(s)
- Michele Iafisco
- Dipartimento di Chimica "G. Ciamician", Alma Mater Studiorum, Università di Bologna, Via Selmi 2, 40126 Bologna, Italy.
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Margiotta N, Ostuni R, Piccinonna S, Natile G, Zanellato I, Boidi CD, Bonarrigo I, Osella D. Platinum–bisphosphonate complexes have proven to be inactive chemotherapeutics targeted for malignant mesothelioma because of inappropriate hydrolysis. J Inorg Biochem 2011; 105:548-57. [DOI: 10.1016/j.jinorgbio.2010.12.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2010] [Revised: 12/23/2010] [Accepted: 12/23/2010] [Indexed: 01/05/2023]
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Morpurgo M, Teoli D, Pignatto M, Attrezzi M, Spadaro F, Realdon N. The effect of Na(2)CO(3), NaF and NH(4)OH on the stability and release behavior of sol-gel derived silica xerogels embedded with bioactive compounds. Acta Biomater 2010; 6:2246-53. [PMID: 20035908 DOI: 10.1016/j.actbio.2009.12.021] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2009] [Revised: 11/26/2009] [Accepted: 12/09/2009] [Indexed: 11/29/2022]
Abstract
Stability, defined as the reproducible behavior of a device upon its storage, is an important issue in pharmaceutical formulation. Silica xerogels obtained through the sol-gel route are relatively new as matrices for the controlled release of drugs. In some cases, it was observed that their behavior changes upon storage, so that they cannot always be defined as "stable". This occurs especially when gel processing is performed at mild temperatures, a procedure that may have to be used to prevent degradation of the embedded drug. This work investigated the use of inorganic catalysts as potential xerogel stability inducers when gel curing by heating is not applicable. Three compounds known to accelerate sol-gel polymerization, namely ammonia, sodium fluoride and sodium carbonate, were introduced during the polymerization of low-temperature processed inorganic and organically modified gels, and the effect of each compound on xerogel stability and drug release was monitored. The use of carbonate leads to formulations with good retention properties, as opposed to ammonia and NaF, which lead to poorly retentive xerogels in accordance with their known ability to increase porosity. Ammonia was shown to be a poor stability promoter independently of gel composition, as opposed to fluoride and carbonate, which both displayed stabilizing properties in a dose-dependent manner. No correlation was found between xerogel stability and drug release properties. An attempt was also made to correlate stability data with polymerization rates and wet gel syneresis time evolution with the purpose of identifying one or more synthesis parameters that could act as stability predictors for pre-formulation studies. No correlation was found between stability and syneresis data. A similar trend in the curve of gel time vs. catalyst concentration was observed for the two stabilizing catalysts, which was different for the non-stabilizing ammonia. It was concluded that the trend of this curve could potentially provide an indicator of catalyst stabilizing efficacy.
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Affiliation(s)
- M Morpurgo
- Department of Pharmaceutical Sciences, University of Padova, Via Marzolo, 5, 35131 Padova, Italy.
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Xue Z, Lin M, Zhu J, Zhang J, Li Y, Guo Z. Platinum(II) compounds bearing bone-targeting group: synthesis, crystal structure and antitumor activity. Chem Commun (Camb) 2010; 46:1212-4. [PMID: 20449253 DOI: 10.1039/b922222g] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Platinum(II) complexes bearing geminal bisphosphonate moieties have excellent solubility in both organic and aqueous solutions and show considerable cytotoxicity against human osteosarcoma (MG-63) and ovarian cancer (COC1) cell lines with different apoptotic pathways from that of cisplatin.
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Affiliation(s)
- Zuqin Xue
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China
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Abstract
Silicon and its oxides are widely used in biomaterials research, tissue engineering and drug delivery. These materials are highly biocompatible, easily surface functionalized, degrade into nontoxic silicic acid and can be processed into various forms such as micro- and nano-particles, monoliths, membranes and micromachined structures. The large surface area of porous forms of silicon and silica (up to 1200 m2/g) permits high drug loadings. The degradation kinetics of silicon- and silica-based materials can be tailored by coating or grafting with polymers. Incorporation of polymers also improves control over drug-release kinetics. The use of stimuli-responsive polymers has enabled environmental stimuli-triggered drug release. Simultaneously, silicon microfabrication techniques have facilitated the development of sophisticated implantable drug-delivery microdevices. This paper reviews the synthesis, novel properties and biomedical applications of silicon–polymer hybrid materials with particular emphasis on drug delivery. The biocompatible and bioresorptive properties of mesoporous silica and porous silicon make these materials attractive candidates for use in biomedical applications. The combination of polymers with silicon-based materials has generated a large range of novel hybrid materials tailored to applications in localized and systemic drug delivery.
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Iafisco M, Palazzo B, Marchetti M, Margiotta N, Ostuni R, Natile G, Morpurgo M, Gandin V, Marzano C, Roveri N. Smart delivery of antitumoral platinum complexes from biomimetic hydroxyapatite nanocrystals. ACTA ACUST UNITED AC 2009. [DOI: 10.1039/b914379c] [Citation(s) in RCA: 71] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Margiotta N, Ostuni R, Gandin V, Marzano C, Piccinonna S, Natile G. Synthesis, characterization, and cytotoxicity of dinuclear platinum-bisphosphonate complexes to be used as prodrugs in the local treatment of bone tumours. Dalton Trans 2009:10904-13. [DOI: 10.1039/b919721d] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Sanchez-Cano C, Hannon MJ. Novel and emerging approaches for the delivery of metallo-drugs. Dalton Trans 2009:10702-11. [DOI: 10.1039/b912708a] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Biological Activity of Aminophosphonic Acids and Their Short Peptides. TOPICS IN HETEROCYCLIC CHEMISTRY 2009. [DOI: 10.1007/7081_2008_14] [Citation(s) in RCA: 85] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Roveri N, Palazzo B, Iafisco M. The role of biomimetism in developing nanostructured inorganic matrices for drug delivery. Expert Opin Drug Deliv 2008; 5:861-77. [DOI: 10.1517/17425247.5.8.861] [Citation(s) in RCA: 71] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Margiotta N, Capitelli F, Ostuni R, Natile G. A new dinuclear platinum complex with a nitrogen-containing geminal bisphosphonate as potential anticancer compound specifically targeted to bone tissues. J Inorg Biochem 2008; 102:2078-86. [PMID: 18760482 DOI: 10.1016/j.jinorgbio.2008.07.008] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2008] [Revised: 07/16/2008] [Accepted: 07/17/2008] [Indexed: 11/17/2022]
Abstract
The paper describes the synthesis and characterization of a new platinum dinuclear complex (2) bearing a nitrogen-containing geminal bisphosphonate (NBP, 1), structurally related to the commercial drug risedronate. NBPs themselves have shown in quite a few cases to be endowed with anticancer activity, therefore the new platinum complex has two potential antitumor moieties (the NBP ligand and the platinum residue) and could have high affinity for bone tumors or metastases (due to the presence of NBP). The free bisphosphonate (1) has been crystallized by a sol-gel method and characterized by X-ray diffraction analysis. The platinum complex (2) has been found to have a dinuclear structure with the bisphosphonate bridging two platinum moieties in a W conformation.
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Affiliation(s)
- Nicola Margiotta
- Dipartimento Farmaco-Chimico, Università degli Studi di Bari, via Orabona 4, 70125 Bari, Italy.
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Krause-Heuer AM, Grant MP, Orkey N, Aldrich-Wright JR. Drug Delivery Devices and Targeting Agents for Platinum(II) Anticancer Complexes. Aust J Chem 2008. [DOI: 10.1071/ch08157] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
An ideal platinum-based delivery device would be one that selectively targets cancerous cells, can be systemically delivered, and is non-toxic to normal cells. It would be beneficial to provide drug delivery devices for platinum-based anticancer agents that exhibit high drug transport capacity, good water solubility, stability during storage, reduced toxicity, and enhanced anticancer activity in vivo. However, the challenges for developing drug delivery devices include carrier stability in vivo, the method by which extracellular or intracellular drug release is achieved, overcoming the various mechanisms of cell resistance to drugs, controlled drug release to cancer cells, and platinum drug bioavailability. There are many potential candidates under investigation including cucurbit[n]urils, cyclodextrins, calix[n]arenes, and dendrimers, with the most promising being those that are synthetically adaptable enough to attach to targeting agents.
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