101
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Yi BS, Ma BQ, Li BZ, Tian F. MiR-10b induces cisplatin resistance in gastric cancer cells by inhibiting KLF4 expression. Shijie Huaren Xiaohua Zazhi 2020; 28:362-370. [DOI: 10.11569/wcjd.v28.i10.362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Gastric cancer (GC) chemotherapy is prone to acquired chemotherapy resistance. MiR-10b has been found to be involved in regulating cisplatin (DDP) resistance of esophageal and nasopharyngeal carcinoma cells, but its relationship with DDP chemotherapy sensitivity in GC is unclear.
AIM To investigate whether miR-10b is related to DDP chemoresistance in GC cells and the underlying molecular mechanism.
METHODS SGC-7901/DDP and MGC-803/DDP cell lines were established by repeated stimulation of SGC-7901 and MGC-803 cells with increasing concentrations of DDP. The expression levels of miR-10b and KLF4 in SGC-7901/DDP and MGC-803/DDP cells were detected. After SGC-7901 and MGC-803 cells were infected with a lentiviral vector overexpressing miR-10b, cell proliferation was detected by MTT assay, apoptosis was detected by Annexin V-FITC/PI staining, and KLF4 mRNA and protein expression was detected by RT- qPCR and Western blot, respectively. In addition, these cells were further used to construct a xenograft tumor model, and after DDP chemotherapy, tumor morphology was observed macroscopically and tumor weight was measured. After co-transfection of SGC-7901 and MGC-803 cells with miR-10b and KLF4, the sensitivity of cells to DDP was detected by MTT assay.
RESULTS Compared with SGC-7901 and MGC-803 cells, miR-10b expression levels in SGC-7901/DDP and MGC-803/DDP cells were significantly increased (P < 0.01), and KLF4 mRNA and protein levels were significantly decreased (P < 0.01). In vitro experiments showed that overexpression of miR-10b promoted DDP resistance in GC cells and inhibited KLF4 expression (P < 0.01). In vivo, after DDP treatment, tumor weight in the miR-10b group was significantly higher than that of the control group (P < 0.01). Overexpression of KLF4 could partially reverse DDP resistance of GC cells induced by overexpression of miR-10b.
CONCLUSION MiR-10b promotes DDP resistance in GC cells by inhibiting the expression of KLF4, however, the DDP resistance induced by miR-10b overexpression can be reversed by up-regulation of KLF4.
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Affiliation(s)
- Bi-Shun Yi
- Department of Trauma, Acute Abdomen and Hernia Surgery, Lishui City People's Hospital, Lishui 323000, Zhejiang Province, China
| | - Bai-Qiang Ma
- Department of Trauma, Acute Abdomen and Hernia Surgery, Lishui City People's Hospital, Lishui 323000, Zhejiang Province, China
| | - Bing-Zhen Li
- Department of Trauma, Acute Abdomen and Hernia Surgery, Lishui City People's Hospital, Lishui 323000, Zhejiang Province, China
| | - Feng Tian
- Department of Trauma, Acute Abdomen and Hernia Surgery, Lishui City People's Hospital, Lishui 323000, Zhejiang Province, China
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102
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Molecular Interpretation of Pharmaceuticals’ Adsorption on Carbon Nanomaterials: Theory Meets Experiments. Processes (Basel) 2020. [DOI: 10.3390/pr8060642] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
The ability of carbon-based nanomaterials (CNM) to interact with a variety of pharmaceutical drugs can be exploited in many applications. In particular, they have been studied both as carriers for in vivo drug delivery and as sorbents for the treatment of water polluted by pharmaceuticals. In recent years, the large number of experimental studies was also assisted by computational work as a tool to provide understanding at molecular level of structural and thermodynamic aspects of adsorption processes. Quantum mechanical methods, especially based on density functional theory (DFT) and classical molecular dynamics (MD) simulations were mainly applied to study adsorption/release of various drugs. This review aims to compare results obtained by theory and experiments, focusing on the adsorption of three classes of compounds: (i) simple organic model molecules; (ii) antimicrobials; (iii) cytostatics. Generally, a good agreement between experimental data (e.g. energies of adsorption, spectroscopic properties, adsorption isotherms, type of interactions, emerged from this review) and theoretical results can be reached, provided that a selection of the correct level of theory is performed. Computational studies are shown to be a valuable tool for investigating such systems and ultimately provide useful insights to guide CNMs materials development and design.
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103
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Zhou XQ, Xiao M, Ramu V, Hilgendorf J, Li X, Papadopoulou P, Siegler MA, Kros A, Sun W, Bonnet S. The Self-Assembly of a Cyclometalated Palladium Photosensitizer into Protein-Stabilized Nanorods Triggers Drug Uptake In Vitro and In Vivo. J Am Chem Soc 2020; 142:10383-10399. [PMID: 32378894 PMCID: PMC7291344 DOI: 10.1021/jacs.0c01369] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
![]()
Enhanced passive
diffusion is usually considered to be the primary
cause of the enhanced cellular uptake of cyclometalated drugs because
cyclometalation lowers the charge of a metal complex and increases
its lipophilicity. However, in this work, monocationic cyclometalated
palladium complexes [1]OAc (N^N^C^N) and [2]OAc (N^N^N^C) were found
to self-assemble, in aqueous solutions, into soluble supramolecular
nanorods, while their tetrapyridyl bicationic analogue [3](OAc)2 (N^N^N^N) dissolved
as
isolated molecules. These nanorods formed via metallophilic Pd···Pd
interaction and π–π stacking and were stabilized
in the cell medium by serum proteins, in the absence of which the
nanorods precipitated. In cell cultures, these protein-stabilized
self-assembled nanorods were responsible for the improved cellular
uptake of the cyclometalated compounds, which took place via endocytosis
(i.e., an active uptake pathway). In addition to triggering self-assembly,
cyclometalation in [1]OAc also led to dramatically enhanced
photodynamic properties under blue light irradiation. These combined
penetration and photodynamic properties were observed in multicellular
tumor spheroids and in a mice tumor xenograft, demonstrating that
protein-stabilized nanoaggregation of cyclometalated drugs such as [1]OAc also allows efficient cellular uptake in 3D tumor models.
Overall, serum proteins appear to be a major element in drug design
because they strongly influence the size and bioavailability of supramolecular
drug aggregates and hence their efficacy in vitro and in vivo.
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Affiliation(s)
- Xue-Quan Zhou
- Leiden Institute of Chemistry, Universiteit Leiden, Einsteinweg 55, 2333 CC Leiden, The Netherlands
| | - Ming Xiao
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Road, Dalian 116024, China
| | - Vadde Ramu
- Leiden Institute of Chemistry, Universiteit Leiden, Einsteinweg 55, 2333 CC Leiden, The Netherlands
| | - Jonathan Hilgendorf
- Leiden Institute of Chemistry, Universiteit Leiden, Einsteinweg 55, 2333 CC Leiden, The Netherlands
| | - Xuezhao Li
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Road, Dalian 116024, China
| | - Panagiota Papadopoulou
- Leiden Institute of Chemistry, Universiteit Leiden, Einsteinweg 55, 2333 CC Leiden, The Netherlands
| | - Maxime A Siegler
- Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Alexander Kros
- Leiden Institute of Chemistry, Universiteit Leiden, Einsteinweg 55, 2333 CC Leiden, The Netherlands
| | - Wen Sun
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Road, Dalian 116024, China
| | - Sylvestre Bonnet
- Leiden Institute of Chemistry, Universiteit Leiden, Einsteinweg 55, 2333 CC Leiden, The Netherlands
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104
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Sarpong-Kumankomah S, Contel M, Gailer J. SEC hyphenated to a multielement-specific detector unravels the degradation pathway of a bimetallic anticancer complex in human plasma. J Chromatogr B Analyt Technol Biomed Life Sci 2020; 1145:122093. [PMID: 32305711 PMCID: PMC7328787 DOI: 10.1016/j.jchromb.2020.122093] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 03/13/2020] [Accepted: 03/28/2020] [Indexed: 12/14/2022]
Abstract
The bimetallic metal complex Titanocref exhibits relevant anticancer activity, but it is unknown if it is stable to reach target tissues intact. To gain insight, a pharmacologically relevant dose was added to human blood plasma and the mixture was incubated at 37 °C. The obtained mixture was analyzed 5 and 60 min later by size-exclusion chromatography hyphenated to an inductively coupled plasma atomic emission spectrometer (SEC-ICP-AES). We simultaneously detected several titanium (Ti), gold (Au) and sulfur (S)-peaks, which corresponded to a Ti degradation product that eluted partially, and a Au degradation product that eluted entirely bound to plasma proteins (both time points). Although ~70% of the intact Titanocref was retained on the column after 60 min, our results allowed us to establish - for the first time - its likely degradation pathway in human plasma at near physiological conditions. These results suggest that ~70% of Titanocref remain in plasma after 60 min, which supports results from a recent in vivo study in which mice were treated with Titanocref and revealed Ti:Au molar ratios in tumors and organs close to 1:1. Thus, our stability studies suggest that the intact drug is able to reach target tissue. Overall, our results exemplify that SEC-ICP-AES enables the execution of intermediate in vitro studies with human plasma in the context of advancing bimetallic metal-based drugs to more costly clinical studies.
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Affiliation(s)
- Sophia Sarpong-Kumankomah
- Department of Chemistry, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada
| | - Maria Contel
- Department of Chemistry, Brooklyn College, The City University of New York, 2900 Bedford Avenue, Brooklyn, New York 11210, USA; Chemistry, The Graduate Center, The City University of New York, 365 5th Avenue, New York 10016, USA; Biochemistry, The Graduate Center, The City University of New York, 365 5th Avenue, New York 10016, USA; Biology PhD Programs, The Graduate Center, The City University of New York, 365 5th Avenue, New York 10016, USA
| | - Jürgen Gailer
- Department of Chemistry, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada.
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105
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Hubbard CD, Chatterjee D, Oszajca M, Polaczek J, Impert O, Chrzanowska M, Katafias A, Puchta R, van Eldik R. Inorganic reaction mechanisms. A personal journey. Dalton Trans 2020; 49:4599-4659. [PMID: 32162632 DOI: 10.1039/c9dt04620h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
This review covers highlights of the work performed in the van Eldik group on inorganic reaction mechanisms over the past two decades in the form of a personal journey. Topics that are covered include, from NO to HNO chemistry, peroxide activation in model porphyrin and enzymatic systems, the wonder-world of RuIII(edta) chemistry, redox chemistry of Ru(iii) complexes, Ru(ii) polypyridyl complexes and their application, relevant physicochemical properties and reaction mechanisms in ionic liquids, and mechanistic insight from computational chemistry. In each of these sections, typical examples of mechanistic studies are presented in reference to related work reported in the literature.
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Affiliation(s)
- Colin D Hubbard
- Department of Chemistry and Pharmacy, University of Erlangen-Nuremberg, Egerlandstr. 1, 91058 Erlangen, Germany.
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106
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Elie BT, Hubbard K, Layek B, Yang WS, Prabha S, Ramos JW, Contel M. Auranofin-Based Analogues Are Effective Against Clear Cell Renal Carcinoma In Vivo and Display No Significant Systemic Toxicity. ACS Pharmacol Transl Sci 2020; 3:644-654. [PMID: 32832867 DOI: 10.1021/acsptsci.9b00107] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Indexed: 01/03/2023]
Abstract
Effective pharmacological treatments for patients with advanced clear cell renal carcinoma (ccRCC) are limited. Bimetallic titanium-gold containing compounds exhibit significant cytotoxicity against ccRCC in vitro and in vivo and inhibit invasion and angiogenisis in vitro and markers driving these phenomena. However, in vivo preclinical evaluations of such compounds have not examined their pharmacokinetics, pathology, and hematology. Here we use NOD.CB17-Prkdc SCID/J mice bearing xenograft ccRCC Caki-1 tumors to evaluate the in vivo efficacies of two titanium-gold compounds Titanocref and Titanofin (based on auranofin analogue scaffolds) accompanied by pharmacokinetic and pathology studies. A therapeutic trial was performed over 21 days at 5 mg/kg/72h of Titanocref and 10 mg/kg/72h of Titanofin tracking changes in tumor size. We observed a significant reduction of 51% and 60%, respectively (p < 0.01) in tumor size in the Titanocref- and Titanofin-treated mice compared to the starting size, while the vehicle-treated mice exhibited a tumor size increase of 138% (p < 0.01). Importantly, no signs of pathological complication as a result of treatment were found. In addition, Titanocref and Titanofin treatment reduced angiogenesis by 38% and 54%, respectively. Microarray and qRT-PCR analysis of ccRCC Caki-1 cells treated with Titanocref revealed that the compound alters apoptosis, JNK MAP kinase, and ROS pathways within 3 h of treatment. We further show activation of apoptosis by Titanocref and Titanofin in vivo by caspase 3 assay. Titanocref is active against additional kidney cancer cells. Titanocref and Titanofin are therefore promising candidates for further evaluation toward clinical application in the treatment of ccRCC.
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Affiliation(s)
- Benelita T Elie
- Department of Chemistry, Brooklyn College, The City University of New York, Brooklyn, New York 11210, United States.,Biology, Chemistry and Biochemistry PhD Programs, The Graduate Center, The City University of New York, New York, New York 10016, United States
| | - Karen Hubbard
- Biology, Chemistry and Biochemistry PhD Programs, The Graduate Center, The City University of New York, New York, New York 10016, United States.,Department of Biology, City College of New York, The City University of New York, New York, New York 10031, United States
| | - Buddhadev Layek
- University of Minnesota, College of Pharmacy, Minneapolis, Minnesota 55455, United States
| | - Won Seok Yang
- University of Hawaii Cancer Center, Honolulu, Hawaii 96813, United States
| | - Swayam Prabha
- University of Minnesota, College of Pharmacy, Minneapolis, Minnesota 55455, United States
| | - Joe W Ramos
- University of Hawaii Cancer Center, Honolulu, Hawaii 96813, United States
| | - Maria Contel
- Department of Chemistry, Brooklyn College, The City University of New York, Brooklyn, New York 11210, United States.,Biology, Chemistry and Biochemistry PhD Programs, The Graduate Center, The City University of New York, New York, New York 10016, United States.,Biology, Chemistry and Biochemistry PhD Programs, The Graduate Center, The City University of New York, New York, New York 10016, United States.,Biology, Chemistry and Biochemistry PhD Programs, The Graduate Center, The City University of New York, New York, New York 10016, United States.,University of Hawaii Cancer Center, Honolulu, Hawaii 96813, United States
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107
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Parhizkar M, Reardon PJT, Harker AH, Browning RJ, Stride E, Pedley RB, Knowles JC, Edirisinghe M. Enhanced efficacy in drug-resistant cancer cells through synergistic nanoparticle mediated delivery of cisplatin and decitabine. NANOSCALE ADVANCES 2020; 2:1177-1186. [PMID: 36133040 PMCID: PMC9419023 DOI: 10.1039/c9na00684b] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 01/26/2020] [Indexed: 05/08/2023]
Abstract
There are several limitations with monodrug cancer therapy, including poor bioavailability, rapid clearance and drug resistance. Combination therapy addresses these by exploiting synergism between different drugs against cancer cells. In particular, the combination of epigenetic therapies with conventional chemotherapeutic agents can improve the initial tumour response and overcome acquired drug resistance. Co-encapsulation of multiple therapeutic agents into a single polymeric nanoparticle is one of the many approaches taken to enhance therapeutic effect and improve the pharmacokinetic profile. In this study, different types of poly(lactic-co-glycolic acid) (PLGA) nanoparticles (NPs), matrix and core-shell (CS), were investigated for simultaneous encapsulation of a demethylating drug, decitabine, and a potent anticancer agent, cisplatin. It was shown that by altering the configuration of the CS structure, the release profile could be tuned. In order to investigate whether this could enhance the anticancer effect compared to cisplatin, human ovarian carcinoma cell line (A2780) and its cisplatin resistant variant (A2780cis) were exposed to free cisplatin and the CS-NPs. A better response was obtained in both cell lines (11% and 51% viability of A2780 and A2780cis, respectively) using CS-NPs than cisplatin alone (27%, 82% viability of A2780 and A2780cis, respectively) or in combination with decitabine (22%, 96% viability of A2780 and A2780cis, respectively) at equivalent doses (10 μM).
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Affiliation(s)
- M Parhizkar
- School of Pharmacy, University College London London UK
- Mechanical Engineering, University College London London UK
| | - P J T Reardon
- Division of Biomaterials and Tissue Engineering, UCL Eastman Dental Institute, University College London London UK
| | - A H Harker
- Department of Physics and Astronomy, University College London London UK
| | - R J Browning
- Institute of Biomedical Engineering, Department of Engineering Science, University of Oxford Oxford UK
| | - E Stride
- Institute of Biomedical Engineering, Department of Engineering Science, University of Oxford Oxford UK
| | - R B Pedley
- UCL Cancer Institute, Department of Oncology, University College London London UK
| | - J C Knowles
- Division of Biomaterials and Tissue Engineering, UCL Eastman Dental Institute, University College London London UK
- The Discoveries Centre for Regenerative and Precision Medicine UCL Campus London UK
- Department of Nanobiomedical Science, BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University Cheonan 31114 Republic of Korea
- UCL Eastman-Korea Dental Medicine Innovation Centre, Dankook University Cheonan 31114 Republic of Korea
| | - M Edirisinghe
- Mechanical Engineering, University College London London UK
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108
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Construction of redox-responsive tumor targeted cisplatin nano-delivery system for effective cancer chemotherapy. Int J Pharm 2020; 580:119190. [PMID: 32151664 DOI: 10.1016/j.ijpharm.2020.119190] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Revised: 02/11/2020] [Accepted: 02/28/2020] [Indexed: 11/20/2022]
Abstract
Cisplatin is one of the most widely used platinum-based anticancer chemotherapeutic drugs. However, its low solubility, serious side effects and the development of cisplatin resistance limit its further use in the clinic. Controlling the delivery and release of cisplatin at the targeted site efficiently is a meaningful way to overcome these undesirable side effects of cisplatin. Herein, a tumor targeted and stimuli responsive nano-delivery system for cisplatin was constructed using branched polyethyleneimine (BPEI) as the backbone, disulfide bond as the redox-responsive covalent linker and hyaluronic acid (HA) as targeting recognition unit which can bind selectively to the receptor of CD44, which is highly expressed on the A549 tumor cells. The cisplatin-polyethyleneimine conjugate BPEI-SS-Pt was prepared and the drug loading of cisplatin was up to 32.66 ± 0.06%. After optimized the coating weight ratio of HA and BPEI-SS-Pt, the nanoparticle delivery system HA-(BPEI-SS-Pt)-1/4 outperformed with smaller particle size of 159.0 ± 21.0 nm, narrow polydispersity index (PDI) of 0.069 ± 0.022 and higher cisplatin loading of 29.23 ± 0.18%, showing specific tumor-targeting ability and redox-responsive drug release manner. Moreover, for the treatment of cancer in vivo, it achieved more effective antitumor performance along with minor side effects and systemic toxicity compared with cisplatin which is of great significance for the chemotherapeutic drug in the clinic.
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109
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Lin S, Chang C, Hsu C, Tsai M, Cheng H, Leong MK, Sung P, Chen J, Weng C. Natural compounds as potential adjuvants to cancer therapy: Preclinical evidence. Br J Pharmacol 2020; 177:1409-1423. [PMID: 31368509 PMCID: PMC7056458 DOI: 10.1111/bph.14816] [Citation(s) in RCA: 195] [Impact Index Per Article: 48.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Revised: 07/19/2019] [Accepted: 07/26/2019] [Indexed: 12/11/2022] Open
Abstract
Traditional chemotherapy is being considered due to hindrances caused by systemic toxicity. Currently, the administration of multiple chemotherapeutic drugs with different biochemical/molecular targets, known as combination chemotherapy, has attained numerous benefits like efficacy enhancement and amelioration of adverse effects that has been broadly applied to various cancer types. Additionally, seeking natural-based alternatives with less toxicity has become more important. Experimental evidence suggests that herbal extracts such as Solanum nigrum and Claviceps purpurea and isolated herbal compounds (e.g., curcumin, resveratrol, and matairesinol) combined with antitumoral drugs have the potential to attenuate resistance against cancer therapy and to exert chemoprotective actions. Plant products are not free of risks: Herb adverse effects, including herb-drug interactions, should be carefully considered. LINKED ARTICLES: This article is part of a themed section on The Pharmacology of Nutraceuticals. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v177.6/issuetoc.
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Affiliation(s)
- Shian‐Ren Lin
- Department of Life Science and Institute of BiotechnologyNational Dong Hwa UniversityHualienTaiwan
| | - Chia‐Hsiang Chang
- Department of Life Science and Institute of BiotechnologyNational Dong Hwa UniversityHualienTaiwan
| | - Che‐Fang Hsu
- Department of Life Science and Institute of BiotechnologyNational Dong Hwa UniversityHualienTaiwan
- Center for Prevention and Therapy of Gynaecological Cancers, Department of ResearchTzu Chi HospitalHualienTaiwan
| | - May‐Jwan Tsai
- Neural Regeneration Laboratory, Neurological InstituteTaipei Veterans General HospitalTaipei CityTaiwan
| | - Henrich Cheng
- Neural Regeneration Laboratory, Neurological InstituteTaipei Veterans General HospitalTaipei CityTaiwan
| | - Max K. Leong
- Department of ChemistryNational Dong Hwa UniversityHualienTaiwan
| | - Ping‐Jyun Sung
- Graduate Institute of Marine BiotechnologyNational Dong Hwa UniversityPingtungTaiwan
| | - Jian‐Chyi Chen
- Department of BiotechnologySouthern Taiwan University of Science and TechnologyTainan CityTaiwan
| | - Ching‐Feng Weng
- Graduate Institute of Marine BiotechnologyNational Dong Hwa UniversityPingtungTaiwan
- Department of Basic Medical Science, Center for Transitional MedicineXiamen Medical CollegeXiamenChina
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110
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Li Y, Miao Y, Chen M, Chen X, Li F, Zhang X, Gan Y. Stepwise targeting and responsive lipid-coated nanoparticles for enhanced tumor cell sensitivity and hepatocellular carcinoma therapy. Am J Cancer Res 2020; 10:3722-3736. [PMID: 32206118 PMCID: PMC7069070 DOI: 10.7150/thno.42008] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Accepted: 02/10/2020] [Indexed: 12/30/2022] Open
Abstract
Rationale: Antitumor drug delivery faces multiple barriers that require consecutively achieving tumor targeting, selective cellular uptake and sufficient intracellular drug dosage. Methods: Herein, we designed smart nanoparticles (GPDC-MSNs) that can accumulate stepwise in tumor tissues, selectively enter cancer cells by responding to the acidic tumor extracellular environment, and achieve considerable drug release in the intracellular microenvironment. The GPDC-MSNs comprise the synthesized material galactosyl-conjugated PEO-PPO-PEO (Gal-P123) for hepatocellular carcinoma (HCC) targeting, the tumor extracellular pH-responsive lipid (2E)-4-(dioleostearin)-amino-4-carbonyl-2-butenonic (DC) for selective cellular internalization, and antitumor drug irinotecan (CPT-11)-loaded mesoporous silica nanoparticles (MSNs) for on-demand intracellular drug release. Results: GPDC-MSNs are negatively charged at pH 7.4 and promote active HCC targeting mediated by the asialoglycoprotein receptor. Upon reaching the weakly acidic tumor microenvironment, the nanoparticles undergo charge conversion to neutral, enhancing cellular internalization. Moreover, the encapsulated CPT-11 can be retained within GPDC-MSNs in the blood circulation but undergo intracellular burst release, which facilitates the apoptosis of tumor cells. GPDC-MSNs significantly increased HCC selectivity in vivo and exhibited up to 25 times higher accumulation in tumor tissue than in normal hepatic tissue, thus achieving superior antitumor efficacy and low systemic toxicity. Conclusion: This stepwise-responsive nanoparticle should serve as a valuable platform and promising strategy for HCC treatment.
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111
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Zhang X, He C, Liu X, Chen Y, Zhao P, Chen C, Yan R, Li M, Fan T, Altine B, Yang T, Lu Y, Lee RJ, Gai Y, Xiang G. One-pot synthesis of a microporous organosilica-coated cisplatin nanoplatform for HIF-1-targeted combination cancer therapy. Theranostics 2020; 10:2918-2929. [PMID: 32194844 PMCID: PMC7053205 DOI: 10.7150/thno.41077] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 01/15/2020] [Indexed: 12/15/2022] Open
Abstract
Nanoparticle formulations have proven effective for cisplatin delivery. However, the development of a versatile nanoplatform for cisplatin-based combination cancer therapies still remains a great challenge. Methods: In this study, we developed a one-pot synthesis method for a microporous organosilica shell-coated cisplatin nanoplatform using a reverse microemulsion method, and explored its application in co-delivering acriflavine (ACF) for inhibiting hypoxia-inducible factor-1 (HIF-1). Results: The resulting nanoparticles were tunable, and they could be optimized to a monodisperse population of particles in the desired size range (40-50 nm). In addition, organic mPEG2000-silane and tetrasulfide bond-bridged organosilica were integrated into the surface and silica matrix of nanoparticles for prolonged blood circulation and tumor-selective glutathione-responsive degradation, respectively. After reaching the tumor sites, cisplatin induced cancer cell death and activated HIF-1 pathways, resulting in acquired drug resistance and tumor metastasis. To address this issue, ACF was co-loaded with cisplatin to prevent the formation of HIF-1α/β dimers and suppress HIF-1 function. Hence, the efficacy of cisplatin was improved, and cancer metastasis was inhibited. Conclusion: Both in vitro and in vivo results suggested that this core-shell nanostructured cisplatin delivery system represented a highly efficacious and promising nanoplatform for the synergistic delivery of combination therapies involving cisplatin.
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112
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Ren Z, Sun S, Sun R, Cui G, Hong L, Rao B, Li A, Yu Z, Kan Q, Mao Z. A Metal-Polyphenol-Coordinated Nanomedicine for Synergistic Cascade Cancer Chemotherapy and Chemodynamic Therapy. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1906024. [PMID: 31834662 DOI: 10.1002/adma.201906024] [Citation(s) in RCA: 245] [Impact Index Per Article: 61.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2019] [Revised: 11/12/2019] [Indexed: 05/11/2023]
Abstract
The clinical application of chemotherapy is impeded by the unsatisfactory efficacy and severe side effects. Chemodynamic therapy (CDT) has emerged as an efficient strategy for cancer treatment utilizing Fenton chemistry to destroy cancer cells by converting endogenous H2 O2 into highly toxic reactive oxygen species. Apart from the chemotherapeutic effect, cisplatin is able to act as an artificial enzyme to produce H2 O2 for CDT through cascade reactions, thus remarkably improving the anti-tumor outcomes. Herein, an organic theranostic nanomedicine (PTCG NPs) is constructed with high loading capability using epigallocatechin-3-gallate (EGCG), phenolic platinum(IV) prodrug (Pt-OH), and polyphenol modified block copolymer (PEG-b-PPOH) as the building blocks. The high stability of PTCG NPs during circulation stems from their strong metal-polyphenol coordination interactions, and efficient drug release is realized after cellular internalization. The activated cisplatin elevates the intracellular H2 O2 level through cascade reactions. This is further utilized to produce highly toxic reactive oxygen species catalyzed by an iron-based Fenton reaction. In vitro and in vivo investigations demonstrate that the combination of chemotherapy and chemodynamic therapy achieves excellent anticancer efficacy. Meanwhile, systemic toxicity faced by platinum-based drugs is avoided through this nanoformulation. This work provides a promising strategy to develop advanced nanomedicine for cascade cancer therapy.
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Affiliation(s)
- Zhigang Ren
- Department of Infectious Diseases, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Gene Hospital of Henan Province, Precision Medicine Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Shichao Sun
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China
| | - Ranran Sun
- Department of Infectious Diseases, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Gene Hospital of Henan Province, Precision Medicine Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Guangying Cui
- Department of Infectious Diseases, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Gene Hospital of Henan Province, Precision Medicine Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Liangjie Hong
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China
| | - Benchen Rao
- Department of Infectious Diseases, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Gene Hospital of Henan Province, Precision Medicine Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Ang Li
- Department of Infectious Diseases, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Gene Hospital of Henan Province, Precision Medicine Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Zujiang Yu
- Department of Infectious Diseases, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Gene Hospital of Henan Province, Precision Medicine Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Quancheng Kan
- Department of Infectious Diseases, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Gene Hospital of Henan Province, Precision Medicine Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Zhengwei Mao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China
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113
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Adams CJ, Meade TJ. Gd(iii)-Pt(iv) theranostic contrast agents for tandem MR imaging and chemotherapy. Chem Sci 2020; 11:2524-2530. [PMID: 34084418 PMCID: PMC8157322 DOI: 10.1039/c9sc05937g] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Pt(iv) prodrugs have emerged as versatile therapeutics for addressing issues regarding off-target toxicity and the chemoresistance of classic Pt(ii) drugs such as cisplatin and carboplatin. There is significant potential for Pt(iv) complexes to be used as theranostic agents, yet there are currently no reported examples of Gd(iii)–Pt(iv) agents for simultaneous MR imaging and chemotherapy. Here we report the synthesis, characterization, and in vitro efficacy of two Gd(iii)–Pt(iv) agents, GP1 and GP2. Both agents are water soluble and stable under extracellularly relevant conditions but are reduced under intracellular conditions. Both are cytotoxic in multiple cancer cell lines, cell permeable, and significantly enhance the T1-weighted MR contrast of multiple cell lines. Thus, GP1 and GP2 are promising agents for tandem MR imaging and chemotherapy and provide a versatile platform through which future Gd(iii)–Pt(iv) agents can be developed. The first example of Gd(iii)–Pt(iv) theranostic agents that are intracellularly reduced to provide MR contrast enhancement with simultaneous Pt(ii) chemotherapy.![]()
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Affiliation(s)
- Casey J Adams
- Departments of Chemistry, Molecular Biosciences, Neurobiology, and Radiology, Northwestern University Evanston Illinois 60208 USA
| | - Thomas J Meade
- Departments of Chemistry, Molecular Biosciences, Neurobiology, and Radiology, Northwestern University Evanston Illinois 60208 USA
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114
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Chen L, Zhuang W, Hu C, Yu T, Su X, Liang Z, Li G, Wang Y. pH and singlet oxygen dual-responsive GEM prodrug micelles for efficient combination therapy of chemotherapy and photodynamic therapy. J Mater Chem B 2020; 8:5645-5654. [DOI: 10.1039/d0tb00622j] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Nanocarriers have been an important strategy for enhancing the combination therapy of chemotherapy and photodynamic therapy (PDT) (Chem-PDT).
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Affiliation(s)
- Liang Chen
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu 610064
- China
| | - Weihua Zhuang
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu 610064
- China
| | - Cheng Hu
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu 610064
- China
| | - Tao Yu
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu 610064
- China
| | - Xin Su
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu 610064
- China
| | - Zhen Liang
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu 610064
- China
| | - Gaocan Li
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu 610064
- China
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu 610064
- China
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115
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Hu C, Zhuang W, Yu T, Chen L, Liang Z, Li G, Wang Y. Multi-stimuli responsive polymeric prodrug micelles for combined chemotherapy and photodynamic therapy. J Mater Chem B 2020; 8:5267-5279. [DOI: 10.1039/d0tb00539h] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The strategy of novel multi-stimuli response and synergistic chemo–photodynamic therapy nanoplatform will be helpful for exploiting intelligent cancer therapy.
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Affiliation(s)
- Cheng Hu
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu
- People's Republic of China
| | - Weihua Zhuang
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu
- People's Republic of China
| | - Tao Yu
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu
- People's Republic of China
| | - Liang Chen
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu
- People's Republic of China
| | - Zhen Liang
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu
- People's Republic of China
| | - Gaocan Li
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu
- People's Republic of China
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu
- People's Republic of China
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116
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Zhang C, Guan R, Liao X, Ouyang C, Liu J, Ji L, Chao H. Mitochondrial DNA targeting and impairment by a dinuclear Ir–Pt complex that overcomes cisplatin resistance. Inorg Chem Front 2020. [DOI: 10.1039/d0qi00224k] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
A dinuclear complex [(ppy)Ir(tpy)PtCl]2+ (Ir–Pt) can exhibit strong antitumor activity towards cisplatin-resistant cancer cells and induce cell necrosis via mtDNA damage and mitochondrial dysfunction.
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Affiliation(s)
- Cheng Zhang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou
- P. R. China
| | - Ruilin Guan
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou
- P. R. China
| | - Xinxing Liao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou
- P. R. China
| | - Cheng Ouyang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou
- P. R. China
| | - Jiangping Liu
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou
- P. R. China
| | - Liangnian Ji
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou
- P. R. China
| | - Hui Chao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou
- P. R. China
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117
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Quarta A, Amorín M, Aldegunde MJ, Blasi L, Ragusa A, Nitti S, Pugliese G, Gigli G, Granja JR, Pellegrino T. Novel synthesis of platinum complexes and their intracellular delivery to tumor cells by means of magnetic nanoparticles. NANOSCALE 2019; 11:23482-23497. [PMID: 31808496 DOI: 10.1039/c9nr07015j] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Platinum-based drugs are popular in clinics as chemotherapeutic agents to treat solid tumors. However, severe side effects such as nephro- and neurotoxicity impose strict dosage limitations that can lead to the development of drug resistance and tumor relapse. To overcome these issues Pt(iv) prodrugs and platinum delivery systems might represent the next generation of platinum-based drugs. In this study four novel Pt(ii) complexes (namely, PEG-Glu-Pt-EDA, PEG-Glu-Pt-DACH, PEG-Mal-Pt-EDA and PEG-Mal-Pt-DACH) were synthesized and a general strategy to covalently bind them to iron oxide nanoparticles was developed. The intracellular uptake and cell distribution studies of Pt-tethered magnetic nanoparticles on breast and ovarian cancer cell line models indicate that binding of the Pt complexes to the nanoparticles facilitates, for all the complexes, cellular internalization. Moreover, the magnetic nanoparticles (MNPs), as shown in a magnetofection experiment, enhance the uptake of MNP-Pt conjugates if a magnet is placed beneath the culture dish of tumor cells. As shown by a Pt release experiment, intranuclear platinum quantification and TEM analysis on cell sections, the presence of a pH-sensitive dicarboxylic group coordinating the Pt complex, triggers platinum dissociation from the NP surface. In addition, the triazole moiety facilitates endosomal swelling and the leakage of platinum from the endosomes with intranuclear localization of platinum release by the NPs. Finally, as assessed by MTT, caspase, calcein/ethidium bromide live/dead assays, among the four NP-Pt conjugates, the NP-Glu-Pt-EDA complex having a glutamate ring and ethylenediamine as a chelating amine group of the platinum showed higher cytotoxicity than the other three MNP-platinum conjugates.
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Affiliation(s)
- Alessandra Quarta
- CNR NANOTEC - Institute of Nanotechnology, c/o Campus Ecotekne, via Monteroni, 73100, Lecce, Italy.
| | - Manuel Amorín
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain.
| | - María José Aldegunde
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain.
| | - Laura Blasi
- CNR, Institute for Microelectronics and Microsystems, Via Monteroni, Lecce, 73100, Italy
| | - Andrea Ragusa
- CNR NANOTEC - Institute of Nanotechnology, c/o Campus Ecotekne, via Monteroni, 73100, Lecce, Italy. and Dipartimento di Scienze e Tecnologie Biologiche e Ambientali, Università del Salento, Campus Ecotekne, via Monteroni, 73100, Lecce, Italy
| | - Simone Nitti
- Istituto Italiano di Tecnologia, via Morego 30, 16163, Genova, Italy.
| | | | - Giuseppe Gigli
- CNR NANOTEC - Institute of Nanotechnology, c/o Campus Ecotekne, via Monteroni, 73100, Lecce, Italy. and Dipartimento di Matematica e Fisica E. De Giorgi, Università del Salento, Campus Ecotekne, via Monteroni, 73100, Lecce, Italy
| | - Juan R Granja
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain.
| | - Teresa Pellegrino
- Istituto Italiano di Tecnologia, via Morego 30, 16163, Genova, Italy.
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118
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Yu Q, Li M, Gao J, Xu P, Chen Q, Xing D, Yan J, Zaworotko MJ, Xu J, Chen Y, Cheng P, Zhang Z. Fabrication of Large Single Crystals for Platinum‐Based Linear Polymers with Controlled‐Release and Photoactuator Performance. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201910749] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Qi Yu
- College of ChemistryNankai University Tianjin 300071 China
- Shandong Provincial Key Laboratory of Fine ChemicalsSchool of Chemistry and Pharmaceutical EngineeringQilu University of Technology Jinan 250353 China
- Key Laboratory of Advanced Energy Materials ChemistryMinistry of EducationNankai University Tianjin 300071 China
| | - Mingmin Li
- State Key Laboratory of Medicinal Chemical biologyNankai University Tianjin 300071 China
| | - Jia Gao
- College of ChemistryNankai University Tianjin 300071 China
| | - Peixin Xu
- College of ChemistryNankai University Tianjin 300071 China
| | - Qizhe Chen
- College of ChemistryNankai University Tianjin 300071 China
| | - Dong Xing
- College of ChemistryNankai University Tianjin 300071 China
| | - Jie Yan
- College of ChemistryNankai University Tianjin 300071 China
| | - Michael J. Zaworotko
- Department of Chemical SciencesBernal InstituteUniversity of Limerick Limerick V94 T9PX Republic of Ireland
| | - Jun Xu
- School of Pharmaceutical Science and TechnologyTianjin University Tianjin 300071 China
| | - Yao Chen
- State Key Laboratory of Medicinal Chemical biologyNankai University Tianjin 300071 China
| | - Peng Cheng
- College of ChemistryNankai University Tianjin 300071 China
- Key Laboratory of Advanced Energy Materials ChemistryMinistry of EducationNankai University Tianjin 300071 China
| | - Zhenjie Zhang
- State Key Laboratory of Medicinal Chemical biologyNankai University Tianjin 300071 China
- College of ChemistryNankai University Tianjin 300071 China
- Key Laboratory of Advanced Energy Materials ChemistryMinistry of EducationNankai University Tianjin 300071 China
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119
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Moussa YE, Venkataramanan NS, Wheate NJ. Demonstration of the first known 1:2 host-guest encapsulation of a platinum anticancer complex within a macrocycle. J INCL PHENOM MACRO 2019. [DOI: 10.1007/s10847-019-00960-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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120
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Yu Q, Li M, Gao J, Xu P, Chen Q, Xing D, Yan J, Zaworotko MJ, Xu J, Chen Y, Cheng P, Zhang Z. Fabrication of Large Single Crystals for Platinum‐Based Linear Polymers with Controlled‐Release and Photoactuator Performance. Angew Chem Int Ed Engl 2019; 58:18634-18640. [DOI: 10.1002/anie.201910749] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Indexed: 01/12/2023]
Affiliation(s)
- Qi Yu
- College of ChemistryNankai University Tianjin 300071 China
- Shandong Provincial Key Laboratory of Fine ChemicalsSchool of Chemistry and Pharmaceutical EngineeringQilu University of Technology Jinan 250353 China
- Key Laboratory of Advanced Energy Materials ChemistryMinistry of EducationNankai University Tianjin 300071 China
| | - Mingmin Li
- State Key Laboratory of Medicinal Chemical biologyNankai University Tianjin 300071 China
| | - Jia Gao
- College of ChemistryNankai University Tianjin 300071 China
| | - Peixin Xu
- College of ChemistryNankai University Tianjin 300071 China
| | - Qizhe Chen
- College of ChemistryNankai University Tianjin 300071 China
| | - Dong Xing
- College of ChemistryNankai University Tianjin 300071 China
| | - Jie Yan
- College of ChemistryNankai University Tianjin 300071 China
| | - Michael J. Zaworotko
- Department of Chemical SciencesBernal InstituteUniversity of Limerick Limerick V94 T9PX Republic of Ireland
| | - Jun Xu
- School of Pharmaceutical Science and TechnologyTianjin University Tianjin 300071 China
| | - Yao Chen
- State Key Laboratory of Medicinal Chemical biologyNankai University Tianjin 300071 China
| | - Peng Cheng
- College of ChemistryNankai University Tianjin 300071 China
- Key Laboratory of Advanced Energy Materials ChemistryMinistry of EducationNankai University Tianjin 300071 China
| | - Zhenjie Zhang
- State Key Laboratory of Medicinal Chemical biologyNankai University Tianjin 300071 China
- College of ChemistryNankai University Tianjin 300071 China
- Key Laboratory of Advanced Energy Materials ChemistryMinistry of EducationNankai University Tianjin 300071 China
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121
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Jiang X, Fan X, Xu W, Zhao C, Wu H, Zhang R, Wu G. Self-assembled peptide nanoparticles responsive to multiple tumor microenvironment triggers provide highly efficient targeted delivery and release of antitumor drug. J Control Release 2019; 316:196-207. [PMID: 31682910 DOI: 10.1016/j.jconrel.2019.10.031] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 09/29/2019] [Accepted: 10/16/2019] [Indexed: 12/13/2022]
Abstract
Stimuli-responsive drug delivery systems based on tumor microenvironment conditions show tremendous promise to enhance tumor-targeted delivery and drug release. Herein, a multifunctional peptide (P51) was developed for programmed delivery of the hydrophobic chemotherapeutic agent pirarubicin. P51 was prepared with a ligand-specific targeting for the cancer biomarker Arg-Gly-Asp (RGD), and three tumor microenvironment-sensitive release triggers, acid environment, reducing agent, and a specific enzyme. The peptides Cys-s-s-Cys (disulfide linkage) and Pro-Val-Gly-Leu-Ile-Gly correspond to the cleavage sites of a reducing agent (DTT) and an enzyme (MMP-2). The peptides act as a junction between Ser-Glu-Glu-Asp-Pro (a negatively charged sequence) and a 41-residue peptide containing an α-helix that has the capacity to encapsulate pirarubicin via electrostatic and hydrophobic interactions. These interactions can be disrupted by the acidic tumor microenvironment. Self-assembly of P51 and pirarubicin (P51-THP NPs) results into stable spherical nanoparticles in a single step. We have demonstrated that the acid environment, DTT, and MMP-2 stimulate the release of pirarubicin from P51-THP NPs and, more importantly, the efficiency of drug release is markedly increased when all three release triggers are present. In addition, more effective tumor targeting, antitumor effect, and reduced systemic toxicity of P51-THP NPs have been confirmed by in vitro and in vivo results.
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Affiliation(s)
- Xinglu Jiang
- Medical School of Southeast University, Nanjing 210009, People's Republic of China; Center of Clinical Laboratory Medicine, Zhongda Hospital, Southeast University, Nanjing 210009, People's Republic of China
| | - Xiaobo Fan
- Medical School of Southeast University, Nanjing 210009, People's Republic of China
| | - Wei Xu
- Medical School of Southeast University, Nanjing 210009, People's Republic of China
| | - Chenggui Zhao
- Center of Clinical Laboratory Medicine, Zhongda Hospital, Southeast University, Nanjing 210009, People's Republic of China
| | - Hailu Wu
- Medical School of Southeast University, Nanjing 210009, People's Republic of China; Center of Clinical Laboratory Medicine, Zhongda Hospital, Southeast University, Nanjing 210009, People's Republic of China
| | - Rui Zhang
- Medical School of Southeast University, Nanjing 210009, People's Republic of China
| | - Guoqiu Wu
- Center of Clinical Laboratory Medicine, Zhongda Hospital, Southeast University, Nanjing 210009, People's Republic of China.
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122
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Caballero AB, Cardo L, Claire S, Craig JS, Hodges NJ, Vladyka A, Albrecht T, Rochford LA, Pikramenou Z, Hannon MJ. Assisted delivery of anti-tumour platinum drugs using DNA-coiling gold nanoparticles bearing lumophores and intercalators: towards a new generation of multimodal nanocarriers with enhanced action. Chem Sci 2019; 10:9244-9256. [PMID: 32055309 PMCID: PMC7003971 DOI: 10.1039/c9sc02640a] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 08/05/2019] [Indexed: 12/19/2022] Open
Abstract
New gold and lipoic based nanocarriers for the delivery of platinum(ii) and platinum(iv) drugs are developed, which allow enhanced loading of the drug on the surface of the nanocarriers and release in a pH-dependent fashion, with superior release at lower pHs which are associated with many tumours. The conjugate nanoparticles and their conjugates enter cells rapidly (within 3 hours). They tend to cluster in vesicles and are also observed by light and electron microscopies in the cytoplasm, endoplasmic reticulum and nucleus. We further incorporate aminoanthraquinone units that are both fluorophores and DNA intercalators. This results in nanocarriers that after drug release will remain surface decorated with DNA-binders challenging the conventional design of the nanocarrier as an inert component. The outcome is nanocarriers that themselves have distinctive, remarkable and unusual DNA binding properties being able to bind and wrap DNA (despite their anionic charge) and provide enhanced cytotoxic activity beyond that conferred by the platinum agents they release. DNA coiling is usually associated with polycations which can disrupt cell membranes; anionic nanoparticles that can cause novel and dramatic effects on DNA may have fascinating potential for new approaches to in-cell nucleic acid recognition. Our findings have implications for the understanding and interpretation of the biological activities of nanoparticles used to deliver other DNA-binding drugs including clinical drug doxorubicin and its formulations.
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Affiliation(s)
- Ana B Caballero
- School of Chemistry , University of Birmingham , Edgbaston , Birmingham B15 2TT , UK . ;
| | - Lucia Cardo
- School of Chemistry , University of Birmingham , Edgbaston , Birmingham B15 2TT , UK . ;
| | - Sunil Claire
- School of Chemistry , University of Birmingham , Edgbaston , Birmingham B15 2TT , UK . ;
| | - James S Craig
- Physical Sciences for Health Centre , University of Birmingham , Edgbaston , Birmingham B15 2TT , UK
| | - Nikolas J Hodges
- School of Biosciences , University of Birmingham , Edgbaston , Birmingham B15 2TT , UK
| | - Anton Vladyka
- School of Chemistry , University of Birmingham , Edgbaston , Birmingham B15 2TT , UK . ;
| | - Tim Albrecht
- School of Chemistry , University of Birmingham , Edgbaston , Birmingham B15 2TT , UK . ;
| | - Luke A Rochford
- School of Chemistry , University of Birmingham , Edgbaston , Birmingham B15 2TT , UK . ;
| | - Zoe Pikramenou
- School of Chemistry , University of Birmingham , Edgbaston , Birmingham B15 2TT , UK . ;
| | - Michael J Hannon
- School of Chemistry , University of Birmingham , Edgbaston , Birmingham B15 2TT , UK . ;
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123
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Dowaidar M, Nasser Abdelhamid H, Hällbrink M, Langel Ü, Zou X. Chitosan enhances gene delivery of oligonucleotide complexes with magnetic nanoparticles-cell-penetrating peptide. J Biomater Appl 2019; 33:392-401. [PMID: 30223733 DOI: 10.1177/0885328218796623] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Gene-based therapies, including the delivery of oligonucleotides, offer promising methods for the treatment of cancer cells. However, they have various limitations including low efficiency. Herein, cell-penetrating peptides (CPPs)-conjugated chitosan-modified iron oxide magnetic nanoparticles (CPPs-CTS@MNPs) with high biocompatibility as well as high efficiency were tested for the delivery of oligonucleotides such as plasmid pGL3, splice correction oligonucleotides, and small-interfering RNA. A biocompatible nanocomposite, in which CTS@MNPs was incorporated in non-covalent complex with CPPs-oligonucleotide, is developed. Modifying the surface of magnetic nanoparticles with cationic chitosan-modified iron oxide improved the performance of magnetic nanoparticles-CPPs for oligonucleotide delivery. CPPs-CTS@MNPs complexes enhance oligonucleotide transfection compared to CPPs@MNPs or CPPs. The hydrophilic character of CTS@MNPs improves complexation with plasmid pGL3, splice correction oligonucleotides, and small-interfering RNA payload, which consequently resulted in not only strengthening the colloidal stability of the constructed complex but also improving their biocompatibility. Transfection using PF14-splice correction oligonucleotides-CTS@MNPs showed sixfold increase of the transfection compared to splice correction oligonucleotides-PF14 that showed higher transfection than the commercially available lipid-based vector Lipofectamine™ 2000. Nanoscaled CPPs-CTS@MNPs comprise a new family of biomaterials that can circumvent some of the limitations of CPPs or magnetic nanoparticles.
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Affiliation(s)
- Moataz Dowaidar
- 1 Department of Biochemistry and Biophysics, Stockholm University
| | - Hani Nasser Abdelhamid
- 2 Department of Chemistry, Faculty of Science, Assuit University Assuit, Egypt.,3 Department of Materials and Environmental Chemistry, Stockholm University, Stockholm, Sweden
| | | | - Ülo Langel
- 1 Department of Biochemistry and Biophysics, Stockholm University
| | - Xiaodong Zou
- 3 Department of Materials and Environmental Chemistry, Stockholm University, Stockholm, Sweden
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124
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Wu T, Liu J, Liu M, Liu S, Zhao S, Tian R, Wei D, Liu Y, Zhao Y, Xiao H, Ding B. A Nanobody‐Conjugated DNA Nanoplatform for Targeted Platinum‐Drug Delivery. Angew Chem Int Ed Engl 2019; 58:14224-14228. [DOI: 10.1002/anie.201909345] [Citation(s) in RCA: 98] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Indexed: 12/18/2022]
Affiliation(s)
- Tiantian Wu
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology 11 BeiYiTiao ZhongGuanCun Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Jianbing Liu
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology 11 BeiYiTiao ZhongGuanCun Beijing 100190 China
| | - Manman Liu
- CAS Key Laboratory of Soft Matter Chemistry University of Science and Technology of China Hefei Anhui 230026 China
| | - Shaoli Liu
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology 11 BeiYiTiao ZhongGuanCun Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Shuai Zhao
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology 11 BeiYiTiao ZhongGuanCun Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Run Tian
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology 11 BeiYiTiao ZhongGuanCun Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Dengshuai Wei
- Beijing National Laboratory for Molecular Sciences State Key Laboratory of Polymer Physics and Chemistry Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
| | - Yangzhong Liu
- CAS Key Laboratory of Soft Matter Chemistry University of Science and Technology of China Hefei Anhui 230026 China
| | - Yao Zhao
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Analytical Chemistry for Living Biosystems Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
| | - Haihua Xiao
- Beijing National Laboratory for Molecular Sciences State Key Laboratory of Polymer Physics and Chemistry Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
| | - Baoquan Ding
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology 11 BeiYiTiao ZhongGuanCun Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
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Wu T, Liu J, Liu M, Liu S, Zhao S, Tian R, Wei D, Liu Y, Zhao Y, Xiao H, Ding B. A Nanobody‐Conjugated DNA Nanoplatform for Targeted Platinum‐Drug Delivery. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201909345] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Tiantian Wu
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology 11 BeiYiTiao ZhongGuanCun Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Jianbing Liu
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology 11 BeiYiTiao ZhongGuanCun Beijing 100190 China
| | - Manman Liu
- CAS Key Laboratory of Soft Matter Chemistry University of Science and Technology of China Hefei Anhui 230026 China
| | - Shaoli Liu
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology 11 BeiYiTiao ZhongGuanCun Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Shuai Zhao
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology 11 BeiYiTiao ZhongGuanCun Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Run Tian
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology 11 BeiYiTiao ZhongGuanCun Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Dengshuai Wei
- Beijing National Laboratory for Molecular Sciences State Key Laboratory of Polymer Physics and Chemistry Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
| | - Yangzhong Liu
- CAS Key Laboratory of Soft Matter Chemistry University of Science and Technology of China Hefei Anhui 230026 China
| | - Yao Zhao
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Analytical Chemistry for Living Biosystems Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
| | - Haihua Xiao
- Beijing National Laboratory for Molecular Sciences State Key Laboratory of Polymer Physics and Chemistry Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
| | - Baoquan Ding
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology 11 BeiYiTiao ZhongGuanCun Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
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Luo S, Wu J, Jia Z, Tang P, Sheng J, Xie C, Liu C, Gan D, Hu D, Zheng W, Lu X. An Injectable, Bifunctional Hydrogel with Photothermal Effects for Tumor Therapy and Bone Regeneration. Macromol Biosci 2019; 19:e1900047. [PMID: 31318163 DOI: 10.1002/mabi.201900047] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 06/12/2019] [Indexed: 11/10/2022]
Affiliation(s)
- Shiyu Luo
- Department of OrthopedicsThe General Hospital of Western Theater Command Chengdu 610083 China
- School of Clinical MedicineChengdu Medical CollegeChengdu 610500 China
| | - Juan Wu
- Department of PharmacyThe General Hospital of Western Theater Command Chengdu 610083 China
| | - Zhanrong Jia
- Key Lab of Advanced Technologies of MaterialsMinistry of EducationSchool of Materials Science and EngineeringSouthwest Jiaotong University Chengdu 610031 China
| | - Pengfei Tang
- Key Lab of Advanced Technologies of MaterialsMinistry of EducationSchool of Materials Science and EngineeringSouthwest Jiaotong University Chengdu 610031 China
| | - Jun Sheng
- Department of OrthopedicsThe General Hospital of Western Theater Command Chengdu 610083 China
| | - Chaoming Xie
- Key Lab of Advanced Technologies of MaterialsMinistry of EducationSchool of Materials Science and EngineeringSouthwest Jiaotong University Chengdu 610031 China
| | - Chen Liu
- Department of OrthopedicsThe General Hospital of Western Theater Command Chengdu 610083 China
| | - Donglin Gan
- Key Lab of Advanced Technologies of MaterialsMinistry of EducationSchool of Materials Science and EngineeringSouthwest Jiaotong University Chengdu 610031 China
| | - Dong Hu
- Department of OrthopedicsThe General Hospital of Western Theater Command Chengdu 610083 China
- School of Clinical MedicineChengdu Medical CollegeChengdu 610500 China
| | - Wei Zheng
- Department of OrthopedicsThe General Hospital of Western Theater Command Chengdu 610083 China
| | - Xiong Lu
- Key Lab of Advanced Technologies of MaterialsMinistry of EducationSchool of Materials Science and EngineeringSouthwest Jiaotong University Chengdu 610031 China
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127
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Dag A, Omurtag Ozgen PS, Atasoy S. Glyconanoparticles for Targeted Tumor Therapy of Platinum Anticancer Drug. Biomacromolecules 2019; 20:2962-2972. [DOI: 10.1021/acs.biomac.9b00528] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
| | - Pinar Sinem Omurtag Ozgen
- Department of Analytical Chemistry, School of Pharmacy, Istanbul Medipol University, İstanbul 34810, Turkey
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128
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Determination of oxaliplatin enantiomers at attomolar levels by capillary electrophoresis connected with inductively coupled plasma mass spectrometry. Talanta 2019; 205:120151. [PMID: 31450399 DOI: 10.1016/j.talanta.2019.120151] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2019] [Revised: 07/09/2019] [Accepted: 07/12/2019] [Indexed: 11/23/2022]
Abstract
The aim of this study was to develop a method for the separation of oxaliplatin enantiomers at attomolar concentration levels. A combination of capillary electrophoresis and inductively coupled plasma mass spectrometry was chosen due to their unique characteristics, including fast and easy modification of separation selectivity, and significant limits of detection and linearity. In the first step, we optimized conditions for the separation of oxaliplatin enantiomers including background electrolyte composition and concentration, pH, and type and concentration of the chiral selector. Under optimal conditions, sodium borate buffer pH 9.5, ionic strength 40 mmol L-1, with 60 mg mL-1 sulfated β-cyclodextrin, separation was obtained with a resolution of 2.0. This electrolyte system was then used in the 'in-house' connection of capillary electrophoresis with inductively coupled plasma mass spectrometer. In this instance, separation lasted for 9.5 min. Calibrations were linear in the range of 0.1-500 μg mL-1 with R2 of 0.9999. LOD and LOQ values were of 64 ng mL-1 and 116 ng mL-1 of oxaliplatin, respectively. This represents detection of 49 fg or 125 attomol of oxaliplatin enantiomers in the capillary electrophoresis injected sample zone. Finally, the method was successfully applied for detection of oxaliplatin enantiomers in spiked urine samples.
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129
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Rausch M, Dyson PJ, Nowak‐Sliwinska P. Recent Considerations in the Application of RAPTA‐C for Cancer Treatment and Perspectives for Its Combination with Immunotherapies. ADVANCED THERAPEUTICS 2019. [DOI: 10.1002/adtp.201900042] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Magdalena Rausch
- Molecular Pharmacology GroupSchool of Pharmaceutical Sciences, Faculty of SciencesUniversity of Lausanne and University of Geneva Rue Michel‐Servet 1, 1211 Geneva 4 Switzerland
| | - Paul J. Dyson
- Institute of Chemical Sciences and EngineeringEcole Polytechnique Fédérale de Lausanne (EPFL) 1015 Lausanne Switzerland
| | - Patrycja Nowak‐Sliwinska
- Molecular Pharmacology GroupSchool of Pharmaceutical Sciences, Faculty of SciencesUniversity of Lausanne and University of Geneva Rue Michel‐Servet 1, 1211 Geneva 4 Switzerland
- Translational Research Centre in Oncohaematology Geneva, Switzerland, 1211 Geneva 4 Switzerland
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130
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Xu J, Cheng X, Tan L, Fu C, Ahmed M, Tian J, Dou J, Zhou Q, Ren X, Wu Q, Tang S, Zhou H, Meng X, Yu J, Liang P. Microwave Responsive Nanoplatform via P-Selectin Mediated Drug Delivery for Treatment of Hepatocellular Carcinoma with Distant Metastasis. NANO LETTERS 2019; 19:2914-2927. [PMID: 30929452 DOI: 10.1021/acs.nanolett.8b05202] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Hepatocellular carcinoma (HCC) with metastatic disease is associated with a low survival in clinical practice. Many curative options including liver resection, transplantation, and thermal ablation are effective in local but limited for patients with distant metastasis. In this study, the efficacy, specificity, and safety of P-selectin targeted delivery and microwave (MW) responsive drug release is investigated for development of HCC therapy. By encapsulating doxorubicin (DOX) and MW sensitizer (1-butyl-3-methylimidazolium-l-lactate, BML) into fucoidan conjugated liposomal nanoparticles (TBP@DOX), specific accumulation and prominent release of DOX in orthotopic HCC and lung metastasis are achieved with adjuvant MW exposure. This results in orthotopic HCC growth inhibition that is not only 1.95-fold higher than found for nontargeted BP@DOX and 1.6-fold higher than nonstimuli responsive TP@DOX but is also equivalent to treatment with free DOX at a 10-fold higher dose. Furthermore, the optimum anticancer efficacy against distant lung metastasis and effective prevention of widespread dissemination with a prolonged survival is described. In addition, no adverse metabolic events are identified using the TBP@DOX nanodelivery system despite these events being commonly observed with traditional DOX chemotherapy. Therefore, administering TBP@DOX with MW exposure could potentially enhance the therapeutic efficacy of thermal-chemotherapy of HCC, especially those in the advanced stages.
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Affiliation(s)
- Jinshun Xu
- Department of Interventional Ultrasound , Chinese PLA General Hospital , Beijing 100853 , China
- CAS Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry , Chinese Academy of Sciences , Beijing 100190 , China
- State Key Laboratory of Kidney Disease , Chinese PLA General Hospital , Beijing 100853 , China
| | - Xueqing Cheng
- Department of Ultrasound , Sichuan Provincial Cancer Hospital , Sichuan 610041 , China
| | - Longfei Tan
- CAS Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry , Chinese Academy of Sciences , Beijing 100190 , China
| | - Changhui Fu
- CAS Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry , Chinese Academy of Sciences , Beijing 100190 , China
| | - Muneeb Ahmed
- Laboratory for Minimally Invasive Tumor Therapies, Department of Radiology , Beth Israel Deaconess Medical Center/Harvard Medical School , Boston , Massachusetts 02215 , United States
| | - Jie Tian
- CAS Key Laboratory of Molecular Imaging, Institute of Automation , Chinese Academy of Sciences , Beijing 100190 , China
| | - Jianping Dou
- Department of Interventional Ultrasound , Chinese PLA General Hospital , Beijing 100853 , China
| | - Qunfang Zhou
- Department of Interventional Ultrasound , Chinese PLA General Hospital , Beijing 100853 , China
| | - Xiangling Ren
- CAS Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry , Chinese Academy of Sciences , Beijing 100190 , China
| | - Qiong Wu
- CAS Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry , Chinese Academy of Sciences , Beijing 100190 , China
| | - Shunsong Tang
- CAS Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry , Chinese Academy of Sciences , Beijing 100190 , China
| | - Hongqiao Zhou
- CAS Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry , Chinese Academy of Sciences , Beijing 100190 , China
| | - Xianwei Meng
- CAS Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry , Chinese Academy of Sciences , Beijing 100190 , China
| | - Jie Yu
- Department of Interventional Ultrasound , Chinese PLA General Hospital , Beijing 100853 , China
- State Key Laboratory of Kidney Disease , Chinese PLA General Hospital , Beijing 100853 , China
| | - Ping Liang
- Department of Interventional Ultrasound , Chinese PLA General Hospital , Beijing 100853 , China
- State Key Laboratory of Kidney Disease , Chinese PLA General Hospital , Beijing 100853 , China
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131
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Lin YX, Wang Y, An HW, Qi B, Wang J, Wang L, Shi J, Mei L, Wang H. Peptide-Based Autophagic Gene and Cisplatin Co-delivery Systems Enable Improved Chemotherapy Resistance. NANO LETTERS 2019; 19:2968-2978. [PMID: 30924343 DOI: 10.1021/acs.nanolett.9b00083] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Cisplatin-based chemotherapy is a widely used first-line strategy for numerous cancers. However, drug resistances are often inevitable accompanied by the long-term use of cisplatin in vivo, significantly hampering its therapeutic efficacy and clinical outcomes. Among others, autophagy induction is one of the most common causes of tumor resistance to cisplatin. Herein, a self-assembled nanoprodrug platform was developed with the synergistic effect of cisplatin and RNAi to fight against cisplatin-resistant lung cancer. The nanoprodrug platform consists of three molecular modules, including prodrug complex of Pt(IV)-peptide-bis(pyrene), DSPE-PEG, and cRGD-modified DSPE-PEG. The Pt(IV) is immobilized with peptide via amide bonds, allowing the Pt(IV) to be loaded with a loading efficiency of >95% and rapid-release active platinum ions (Pt(II)) in the presence of glutathione (GSH). Meanwhile, the peptide of the prodrug complex could efficiently deliver Beclin1 siRNA ( Beclin1 is an autophagy initiation factor) to the cytoplasm, thereby leading to autophagy inhibition. In addition, incorporation of DSPE-PEG and cRGD-modified DSPE-PEG molecules improves the biocompatibility and cellular uptake of the nanoprodrug platform. In vivo results also indicate that the nanoprodrug platform significantly inhibits the growth of a cisplatin-resistant tumor on xenograft mice models with a remarkable inhibition rate, up to 84% after intravenous injection.
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Affiliation(s)
- Yao-Xin Lin
- School of Pharmaceutical Sciences (Shenzhen) , Sun Yat-sen University , Guangzhou , Guangdong 510006 , People's Republic of China
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital , Harvard Medical School , Boston , Massachusetts 02115 , United States
| | - Yi Wang
- CAS Center for Excellence in Nanoscience, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety , National Center for Nanoscience and Technology (NCNST) , Beijing , 100190 , People's Republic of China
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital , Harvard Medical School , Boston , Massachusetts 02115 , United States
- Center of Materials Science and Optoelectronics Engineering , University of Chinese Academy of Sciences , Beijing 100049 , People's Republic of China
| | - Hong-Wei An
- CAS Center for Excellence in Nanoscience, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety , National Center for Nanoscience and Technology (NCNST) , Beijing , 100190 , People's Republic of China
| | - Baowen Qi
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital , Harvard Medical School , Boston , Massachusetts 02115 , United States
| | - Junqing Wang
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital , Harvard Medical School , Boston , Massachusetts 02115 , United States
| | - Lei Wang
- CAS Center for Excellence in Nanoscience, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety , National Center for Nanoscience and Technology (NCNST) , Beijing , 100190 , People's Republic of China
| | - Jinjun Shi
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital , Harvard Medical School , Boston , Massachusetts 02115 , United States
| | - Lin Mei
- School of Pharmaceutical Sciences (Shenzhen) , Sun Yat-sen University , Guangzhou , Guangdong 510006 , People's Republic of China
| | - Hao Wang
- CAS Center for Excellence in Nanoscience, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety , National Center for Nanoscience and Technology (NCNST) , Beijing , 100190 , People's Republic of China
- Center of Materials Science and Optoelectronics Engineering , University of Chinese Academy of Sciences , Beijing 100049 , People's Republic of China
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132
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Ghosh S. Cisplatin: The first metal based anticancer drug. Bioorg Chem 2019; 88:102925. [PMID: 31003078 DOI: 10.1016/j.bioorg.2019.102925] [Citation(s) in RCA: 887] [Impact Index Per Article: 177.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Revised: 03/30/2019] [Accepted: 04/10/2019] [Indexed: 12/17/2022]
Abstract
Cisplatin or (SP-4-2)-diamminedichloridoplatinum(II) is one of the most potential and widely used drugs for the treatment of various solid cancers such as testicular, ovarian, head and neck, bladder, lung, cervical cancer, melanoma, lymphomas and several others. Cisplatin exerts anticancer activity via multiple mechanisms but its most acceptable mechanism involves generation of DNA lesions by interacting with purine bases on DNA followed by activation of several signal transduction pathways which finally lead to apoptosis. However, side effects and drug resistance are the two inherent challenges of cisplatin which limit its application and effectiveness. Reduction of drug accumulation inside cancer cells, inactivation of drug by reacting with glutathione and metallothioneins and faster repairing of DNA lesions are responsible for cisplatin resistance. To minimize cisplatin side effects and resistance, combination therapies are used and have proven more effective to defect cancers. This article highlights a systematic description on cisplatin which includes a brief history, synthesis, action mechanism, resistance, uses, side effects and modulation of side effects. It also briefly describes development of platinum drugs from very small cisplatin complex to very large next generation nanocarriers conjugated platinum complexes.
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Affiliation(s)
- Sumit Ghosh
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh 208016, India.
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133
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Host-guest complexation-mediated codelivery of anticancer drug and photosensitizer for cancer photochemotherapy. Proc Natl Acad Sci U S A 2019; 116:6618-6623. [PMID: 30894484 DOI: 10.1073/pnas.1902029116] [Citation(s) in RCA: 82] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Although platinum-based anticancer drugs prevail in cancer treatment, their clinical applications are limited by the severe side effects as well as their ineffectiveness against drug resistant cancers. A precise combination of photodynamic therapy (PDT) and chemotherapy can synergistically improve the therapeutic outcome and thereby may overcome drug resistance through a multipronged assault. Herein, we employ the well-defined cavity of a discrete organoplatinum(II) metallacage (M) to encapsulate octaethylporphine (OEP), a photosensitizer, forming a dual-functionalized system M⊃OEP that is wrapped into the hydrophobic core of the nanoparticles (MNPs) self-assembled from an amphiphilic diblock copolymer. Using a copper-free click reaction, a targeting ligand is conjugated on the surface of the MNPs, aiming to specifically deliver a chemotherapeutic drug and a photosensitizer to cancer cells. Benefiting from the enhanced permeability and retention effect and active targeting capability, high tumor accumulation of MNPs is achieved, leading to an improved therapeutic outcome and reduced side effects. In vivo studies demonstrate that the combination of chemotherapy and PDT exhibits a superior antitumor performance against a drug-resistant tumor model attributed to their synergistic anticancer efficacy.
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134
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Chen R, Chen Q, Qin H, Xing D. A photoacoustic shockwave triggers the size shrinkage of nanoparticles to obviously improve tumor penetration and therapeutic efficacy. NANOSCALE 2019; 11:1423-1436. [PMID: 30608103 DOI: 10.1039/c8nr08271e] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Drug delivery to a tumor site with an insufficient microvascular network remains a challenge due to the size preference for transport in terms of circulation and distribution. In this work, an integrated nano-therapeutic parcel disintegrable by a photoacoustic shockwave was developed. Nano-therapeutic particles with red absorbance are packaged into a larger parcel to generate a longer circulation half-life and improved accumulation in tumor tissue. Pulse-laser irradiation is absorbed by the nanoparticles and it generates a photoacoustic shockwave. This triggers a liquid-gas phase transition of the nano-parcel, leading to the high-efficiency release of smaller nanoparticles, thus achieving excellent therapeutic diffusion with improved uniformity. This results in a highly effective therapeutic effect, as demonstrated with both in vitro and in vivo tumor models. Compared to previously reported work, this approach has the distinctive advantage of precisely controllable therapeutic release that is independent of the physiological environment in the tumor and it is less limited than a UV-based release mechanism. In addition, the concept of photoacoustic shockwave-based nanoparticle release can be extended over a wide wavelength range, including microwaves, to match specific needs and achieve optimal therapeutic depth. The results demonstrate that the proposed strategy holds great potential for improved tumor therapy efficacy.
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Affiliation(s)
- Rong Chen
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, South China Normal University, Guangzhou 510631, China.
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135
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Mandriota G, Di Corato R, Benedetti M, De Castro F, Fanizzi FP, Rinaldi R. Design and Application of Cisplatin-Loaded Magnetic Nanoparticle Clusters for Smart Chemotherapy. ACS APPLIED MATERIALS & INTERFACES 2019; 11:1864-1875. [PMID: 30580523 DOI: 10.1021/acsami.8b18717] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
One of the major challenges of drug delivery is the development of suitable carriers for therapeutic molecules. In this work, a novel nanoformulation based on superparamagnetic nanoclusters [magnetic nanocrystal clusters (MNCs)] is presented. In order to control the size of the nanoclusters and the density of magnetic cores, several parameters were evaluated and tuned. Then, MNCs were functionalized with a polydopamine layer (MNC@PDO) to improve their stability in aqueous solution, to increase density of functional groups and to obtain a nanosystem suitable for drug-controlled release. Finally, cisplatin was grafted on the surface of MNC@PDO to exploit the system as a magnetic field-guided anticancer delivery system. The biocompatibility of MNC@PDO and the cytotoxic effects of MNC@PDO-cisplatin complex were determined against human cervical cancer (HeLa) and human breast adenocarcinoma (MCF-7) cells. In vitro studies demonstrated that the MNC@PDO-cisplatin complexes inhibited the cellular proliferation by a dose-dependent effect. Therefore, by applying an external magnetic field, the released drug exerted its effect on a specific target area. In summary, the MNC@PDO nanosystem has a great potential to be used in targeted nanomedicine for the delivery of other drugs or biofunctional molecules.
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Affiliation(s)
- Giacomo Mandriota
- Dipartimento di Matematica e Fisica "Ennio De Giorgi" , University of Salento , Via Arnesano , 73100 Lecce , Italy
| | - Riccardo Di Corato
- Dipartimento di Matematica e Fisica "Ennio De Giorgi" , University of Salento , Via Arnesano , 73100 Lecce , Italy
- Center for Biomolecular Nanotechnologies (CBN) , Istituto Italiano di Tecnologia (IIT) , Via Barsanti , Arnesano, 73010 Lecce , Italy
| | - Michele Benedetti
- Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali , University of Salento , Via Monteroni , I-73100 Lecce , Italy
| | - Federica De Castro
- Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali , University of Salento , Via Monteroni , I-73100 Lecce , Italy
| | - Francesco P Fanizzi
- Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali , University of Salento , Via Monteroni , I-73100 Lecce , Italy
| | - Rosaria Rinaldi
- Dipartimento di Matematica e Fisica "Ennio De Giorgi" , University of Salento , Via Arnesano , 73100 Lecce , Italy
- Scuola Superiore ISUFI , University of Salento , Via Monteroni, University Campus , 73100 Lecce , Italy
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136
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Kenny RG, Marmion CJ. Toward Multi-Targeted Platinum and Ruthenium Drugs-A New Paradigm in Cancer Drug Treatment Regimens? Chem Rev 2019; 119:1058-1137. [PMID: 30640441 DOI: 10.1021/acs.chemrev.8b00271] [Citation(s) in RCA: 398] [Impact Index Per Article: 79.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
While medicinal inorganic chemistry has been practised for over 5000 years, it was not until the late 1800s when Alfred Werner published his ground-breaking research on coordination chemistry that we began to truly understand the nature of the coordination bond and the structures and stereochemistries of metal complexes. We can now readily manipulate and fine-tune their properties. This had led to a multitude of complexes with wide-ranging biomedical applications. This review will focus on the use and potential of metal complexes as important therapeutic agents for the treatment of cancer. With major advances in technologies and a deeper understanding of the human genome, we are now in a strong position to more fully understand carcinogenesis at a molecular level. We can now also rationally design and develop drug molecules that can either selectively enhance or disrupt key biological processes and, in doing so, optimize their therapeutic potential. This has heralded a new era in drug design in which we are moving from a single- toward a multitargeted approach. This approach lies at the very heart of medicinal inorganic chemistry. In this review, we have endeavored to showcase how a "multitargeted" approach to drug design has led to new families of metallodrugs which may not only reduce systemic toxicities associated with modern day chemotherapeutics but also address resistance issues that are plaguing many chemotherapeutic regimens. We have focused our attention on metallodrugs incorporating platinum and ruthenium ions given that complexes containing these metal ions are already in clinical use or have advanced to clinical trials as anticancer agents. The "multitargeted" complexes described herein not only target DNA but also contain either vectors to enable them to target cancer cells selectively and/or moieties that target enzymes, peptides, and intracellular proteins. Multitargeted complexes which have been designed to target the mitochondria or complexes inspired by natural product activity are also described. A summary of advances in this field over the past decade or so will be provided.
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Affiliation(s)
- Reece G Kenny
- Centre for Synthesis and Chemical Biology, Department of Chemistry , Royal College of Surgeons in Ireland , 123 St. Stephen's Green , Dublin 2 , Ireland
| | - Celine J Marmion
- Centre for Synthesis and Chemical Biology, Department of Chemistry , Royal College of Surgeons in Ireland , 123 St. Stephen's Green , Dublin 2 , Ireland
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137
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Zhu LJ, Gu LS, Shi TY, Zhang XY, Sun BW. Enhanced treatment effect of nanoparticles containing cisplatin and a GSH-reactive probe compound. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 96:635-641. [PMID: 30606575 DOI: 10.1016/j.msec.2018.11.039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 11/04/2018] [Accepted: 11/24/2018] [Indexed: 01/27/2023]
Abstract
Cisplatin is a highly effective antitumor drug, which can kill cancer cells by crossing-linking DNA and inhibiting transcription, but this process is limited by the combination of cisplatin and many endogenous nucleophiles, such as glutathione (GSH). Thus, when cisplatin enter cells, it is potentially vulnerable to cytoplasmic inactivation by GSH. To settle this bottleneck, we designed and synthesized a probe compound (Probe 1) and fabricated pH-responsed cisplatin, Probe 1-loaded lipid-polymer hybrid NanoParticles (CPNPs) using a single-step sonication method. Probe 1 can specifically bind to GSH, thus avoiding the combination of GSH and cisplatin, and enhancing the pharmacological activity of cisplatin. In vitro studies have suggested CPNPs, compared with cisplatin, loaded lipid-polymer hybrid NanoParticles CNPs (Not contain Probe 1), could efficiently kill MCF-7 human breast cancer cells and A549 human nonsmall lung cancer cell. Hence, the CPNPs provided a new idea for treating cancer.
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Affiliation(s)
- Ling-Jun Zhu
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Lian-Shuai Gu
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Tian-Yi Shi
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Xiang-Yang Zhang
- Laboratory of Organic Chemistry, ETH Zurich, 8093 Zurich, Switzerland
| | - Bai-Wang Sun
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China.
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138
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Zhang C, Zhang H, Han M, Yang X, Pei C, Xu Z, Du J, Li W, Chen S. DNA–affibody nanoparticle delivery system for cisplatin-based breast cancer chemotherapy. RSC Adv 2019; 9:1982-1989. [PMID: 35516156 PMCID: PMC9059769 DOI: 10.1039/c8ra08735k] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 01/06/2019] [Indexed: 01/01/2023] Open
Abstract
Cisplatin is the most widely used anticancer drug, but its side effects limit the maximum systemic dose. To circumvent the side effects, a DNA tetrahedron–affibody nanoparticle was prepared by combination of a DNA chain with cisplatin via interstrand crosslinks or adducts. Each nanocarrier can bind ∼68 molecules of cisplatin. This cisplatin nanoparticle exhibited high selectivity and inhibition for breast cancer HER2 overexpressing cells BT474 and lower toxicity in MCF-7 cells with low HER2 expression. The nano-drug inhibited the growth of BT474 cells by 94.57% at 512 nM (containing 33.3 μM cisplatin), which was higher than that of cisplatin (82.9%, 33.3 μM). The novel nano-drug cisplatin-DNA tetrahedron-affibody has high specificity, high efficacy, and low toxicity for the treatment of HER2-overexpressing breast cancers.![]()
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Affiliation(s)
- Chao Zhang
- Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education
- College of Chemistry and Environmental Science
- Hebei University
- Baoding 071002
- China
| | - HongLei Zhang
- Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education
- College of Chemistry and Environmental Science
- Hebei University
- Baoding 071002
- China
| | - MengNan Han
- Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education
- College of Chemistry and Environmental Science
- Hebei University
- Baoding 071002
- China
| | - XueLi Yang
- Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education
- College of Chemistry and Environmental Science
- Hebei University
- Baoding 071002
- China
| | - ChaoHong Pei
- Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education
- College of Chemistry and Environmental Science
- Hebei University
- Baoding 071002
- China
| | - ZhiDong Xu
- Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education
- College of Chemistry and Environmental Science
- Hebei University
- Baoding 071002
- China
| | - Jie Du
- Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education
- College of Chemistry and Environmental Science
- Hebei University
- Baoding 071002
- China
| | - Wei Li
- Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education
- College of Chemistry and Environmental Science
- Hebei University
- Baoding 071002
- China
| | - Shengxi Chen
- Center for BioEnergetics
- Biodesign Institute
- Arizona State University
- Tempe 85287
- USA
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139
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Fabrication of polydopamine-based layer-by-layer nanocomposites for combined pH-sensitive chemotherapy and photothermal therapy. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2018.10.072] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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140
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Abstract
Despite an overall improvement in survival rates for cancer, certain resistant forms of the disease still impose a significant burden on patients and healthcare systems. Standard chemotherapy in these cases is often ineffective and/or gives rise to severe side effects. Targeted delivery of chemotherapeutics could improve both tumour response and patient experience. Hence, there is an urgent need to develop effective methods for this. Ultrasound is an established technique in both diagnosis and therapy. Its use in conjunction with microbubbles is being actively researched for the targeted delivery of small-molecule drugs. In this review, we cover the methods by which ultrasound and microbubbles can be used to overcome tumour barriers to cancer therapy.
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141
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Lambert IH, Sørensen BH. Facilitating the Cellular Accumulation of Pt-Based Chemotherapeutic Drugs. Int J Mol Sci 2018; 19:E2249. [PMID: 30071606 PMCID: PMC6121265 DOI: 10.3390/ijms19082249] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Revised: 07/02/2018] [Accepted: 07/15/2018] [Indexed: 01/12/2023] Open
Abstract
Cisplatin, carboplatin, and oxaliplatin are Pt-based drugs used in the chemotherapeutic eradication of cancer cells. Although most cancer patient cells initially respond well to the treatment, the clinical effectiveness declines over time as the cancer cells develop resistance to the drugs. The Pt-based drugs are accumulated via membrane-bound transporters, translocated to the nucleus, where they trigger various intracellular cell death programs through DNA interaction. Here we illustrate how resistance to Pt-based drugs, acquired through limitation in the activity/subcellular localization of canonical drug transporters, might be circumvented by the facilitated uptake of Pt-based drug complexes via nanocarriers/endocytosis or lipophilic drugs by diffusion.
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Affiliation(s)
- Ian Henry Lambert
- Department of Biology, Section of Cell Biology and Physiology, Universitetsparken 13, University of Copenhagen, 2100 Copenhagen, Denmark.
| | - Belinda Halling Sørensen
- Department of Biology, Section of Cell Biology and Physiology, Universitetsparken 13, University of Copenhagen, 2100 Copenhagen, Denmark.
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142
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Jeong YH, Shin HW, Kwon JY, Lee SM. Cisplatin-Encapsulated Polymeric Nanoparticles with Molecular Geometry-Regulated Colloidal Properties and Controlled Drug Release. ACS APPLIED MATERIALS & INTERFACES 2018; 10:23617-23629. [PMID: 29923700 DOI: 10.1021/acsami.8b06905] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Encapsulation of chemotherapeutic agents inside a nanoscale delivery platform can provide an attractive therapeutic strategy with many pharmaceutical benefits, such as increased plasma solubility, prolonged in vivo circulation, and reduced acute toxicity. Given that the biological activities of polymeric nanoparticles are highly dependent on their colloidal structures, the molecular geometry-regulated programming of self-assembled nanoscale architecture is of great interest for chemical design of an ideal delivery platform. In this report, we demonstrate that the molecular geometry of block-copolymer excipients can govern the level of drug-loading capacity and core hydrophobicity of polymeric nanoparticles, which can eventually control the pH-sensitive drug-release property. Atom-transfer radical polymerization was employed as a controlled synthetic method for the copolymer excipients, which contain the metal-chelating poly(acrylic acid) block linked to either a small mPEG-grafted poly(methacrylate) to generate a bulky brush-like chains or a simple linear mPEG segment. During the coordination of cis-diammineplatinum(II) as an active pharmacophore of cisplatin, aqueous-phase size-exclusion chromatography analyses exhibited highly different self-association kinetic regimes prompted by versatile molecular geometry of copolymer excipients, which further allows us to explore the molecular geometry-colloidal property relationship.
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Affiliation(s)
- Yun-Ho Jeong
- Department of Chemistry , The Catholic University of Korea , Bucheon , Gyeonggi-do 14662 , Korea
| | - Hyeon-Woo Shin
- Department of Chemistry , The Catholic University of Korea , Bucheon , Gyeonggi-do 14662 , Korea
| | - Ji-Yeong Kwon
- Department of Chemistry , The Catholic University of Korea , Bucheon , Gyeonggi-do 14662 , Korea
| | - Sang-Min Lee
- Department of Chemistry , The Catholic University of Korea , Bucheon , Gyeonggi-do 14662 , Korea
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143
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You C, Wu H, Wang M, Gao Z, Sun B, Zhang X. Synthesis and biological evaluation of redox/NIR dual stimulus-responsive polymeric nanoparticles for targeted delivery of cisplatin. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 92:453-462. [PMID: 30184771 DOI: 10.1016/j.msec.2018.06.044] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Revised: 05/31/2018] [Accepted: 06/18/2018] [Indexed: 12/11/2022]
Abstract
Functional drug delivery systems enabling various favorable characteristics including specific targets, efficient cellular uptake and controllable release. At present work, a folate and cRGD dual modified nanoparticles based on NIR light and glutathione dual stimuli-responsive release system was successfully prepared and which simultaneously deliver cisplatin and ICG to tumor sites to enhance controllability. The prepared nanoparticles showed a stable uniform spherical morphology of 77.59 nm particle size range in PBS (pH = 7.4, 25 °C) and the encapsulated cisplatin were rapidly released in acidic environment especially added glutathione (GSH) and NIR irradiation. Moreover, the prepared nanoparticles can be efficiently internalized by tumor cells through the enhanced dual targeted ligands (folate and cRGD) for ICG imaging. The cytotoxicity assays showed that the cells viability decreased to 1.95% (SGC-7901) when been exposed to NIR light, and which further decreased to 1.25% in MCF-7 cells. Thus, the prepared nanoparticles showed excellent performance for photothermal conversion therapy of tumor cells and especially on human breast tumor cells. Our research highlights the great potential of stimuli-responsive smart nanoparticles in biomaterial and nano-biomedicine.
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Affiliation(s)
- Chaoqun You
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 210089, PR China
| | - Hongshuai Wu
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 210089, PR China
| | - Minxing Wang
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 210089, PR China
| | - Zhiguo Gao
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 210089, PR China
| | - Baiwang Sun
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 210089, PR China.
| | - Xiangyang Zhang
- Laboratory of Organic Chemistry, ETH Zurich, 8093 Zurich, Switzerland
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144
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Guo D, Xu S, Huang Y, Jiang H, Yasen W, Wang N, Su Y, Qian J, Li J, Zhang C, Zhu X. Platinum(IV) complex-based two-in-one polyprodrug for a combinatorial chemo-photodynamic therapy. Biomaterials 2018; 177:67-77. [PMID: 29885587 DOI: 10.1016/j.biomaterials.2018.05.052] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 05/26/2018] [Accepted: 05/29/2018] [Indexed: 12/12/2022]
Abstract
A combinatorial therapy that utilizes two or more therapeutic modalities is more effective in overcoming the limitations than each individual method used alone. Despite great advances have been achieved, the combination of chemotherapy and photodynamic therapy (PDT) still cannot satisfy the clinic requirements as the antitumor efficacy could be severely affected by tumor-associated hypoxia. Herein, for the first time, we reported a platinum(IV) complex-based polyprodrug that can in situ generate the highly toxic platinum(II) species as chemotherapeutics and simultaneously induce a high level of reactive oxygen species (ROS) in a PDT-like process without the use of photosensitizer and consumption of oxygen. By in situ polymerizing the platinum(IV) complex-based prodrug monomer (PPM) and 2-methacryloyloxy ethyl phosphorylcholine (MPC), nanosized hydrogel-like polyprodrug could be synthesized. Upon being exposed to light, Pt(IV) moieties in this photoactivable polyprodrug were reduced to generate Pt(II) species. At the meantime, a high level of ROS was generated without the presence of endogenous oxygen, which was confirmed by electron spin resonance (ESR) and fluorescence probes. With the unique nanosized architecture and photoresponsive feature, the as-synthesized polyprodrug exhibited the advantages of sustained drug release, long-term circulation, preferable tumor accumulation, and reversing drug resistance by downregulating the expression of multidrug resistance-associated protein 1 (MRP1) in the anticancer treatment.
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Affiliation(s)
- Dongbo Guo
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, PR China
| | - Shuting Xu
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, PR China
| | - Yu Huang
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, PR China
| | - Huangyong Jiang
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, PR China
| | - Wumaier Yasen
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, PR China
| | - Nan Wang
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, PR China
| | - Yue Su
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, PR China
| | - Jiwen Qian
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, PR China
| | - Jing Li
- Shanghai University of Medicine & Health Sciences Affiliated Sixth People's Hospital South Campus, 6600 Nanfeng Road, Shanghai, 201400, China
| | - Chuan Zhang
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, PR China.
| | - Xinyuan Zhu
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, PR China
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145
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Wang X, Gao S, Qin Z, Tian R, Wang G, Zhang X, Zhu L, Chen X. Evans Blue Derivative-Functionalized Gold Nanorods for Photothermal Therapy-Enhanced Tumor Chemotherapy. ACS APPLIED MATERIALS & INTERFACES 2018; 10:15140-15149. [PMID: 29648446 DOI: 10.1021/acsami.8b02195] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Chemotherapy is a standard care for cancer management, but the lack of tumor targeting and high dose-induced side effects still limit its utility in patients. Here, we report a chemotherapy combined with photothermal therapy (PTT) for enhanced cancer ablation by functionalization of gold nanorods (GNRs) with a novel small molecule named truncated Evans blue (tEB). On the basis of the high binding affinity of tEB with albumin, an Abraxane-like nanodrug, human serum albumin/hydroxycamptothecin (HSA/HCPT), was further complexed with GNR-tEB. This formed an HCPT/HSA/tEB-GNR (HHEG) with excellent biostability and biocompatibility. With photoacoustic and fluorescence imaging, we observed HHEG tumor targeting, which is mediated by enhanced permeability retention effect. The accumulation of HHEG peaked in tumor at 12 h postinjection. Moreover, HHEG can effectively ablate tumor growth with laser illumination via chemo/thermal therapy after intravenous administration into SCC7 tumor. This combination is much better than chemotherapy or PTT alone. Collectively, we constructed a chemo/thermal therapy nanostructure based on a tEB-modified GNR for better tumor treatment effect. The use of tEB in gold nanoparticles can facilitate many new approaches to design hybrid nanoparticles.
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Affiliation(s)
- Xiangyu Wang
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational Medicine, School of Public Health , Xiamen University , Xiamen 361005 , China
| | | | - Zainen Qin
- Collaborative Innovation Center of Guangxi Biological Medicine and the Medical and Scientific Research Center Guangxi Medical University , Nanning , Guangxi 530000 , China
| | | | - Guohao Wang
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational Medicine, School of Public Health , Xiamen University , Xiamen 361005 , China
| | - Xianzhong Zhang
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational Medicine, School of Public Health , Xiamen University , Xiamen 361005 , China
| | - Lei Zhu
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational Medicine, School of Public Health , Xiamen University , Xiamen 361005 , China
| | - Xiaoyuan Chen
- Laboratory of Molecular Imaging and Nanomedicine, National Institute of Biomedical Imaging and Bioengineering , National Institutes of Health , Bethesda , Maryland 20892 , United States
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146
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Gold nanoparticles tethered cinnamic acid: preparation, characterization, and cytotoxic effects on MCF-7 breast cancer cell lines. APPLIED NANOSCIENCE 2018. [DOI: 10.1007/s13204-018-0764-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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147
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Duan X, Chen J, Wu Y, Wu S, Shao D, Kong J. Drug Self-Delivery Systems Based on Hyperbranched Polyprodrugs towards Tumor Therapy. Chem Asian J 2018; 13:939-943. [DOI: 10.1002/asia.201701697] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Revised: 02/04/2018] [Indexed: 11/08/2022]
Affiliation(s)
- Xiao Duan
- MOE Key Laboratory of Materials Physics and Chemistry in Extraordinary Condition, Shaanxi Key Laboratory of Macromolecular Science and Technology; School of Science; Northwestern Polytechnical University; Xi'an 710072 P. R. China
| | - Jianxin Chen
- MOE Key Laboratory of Materials Physics and Chemistry in Extraordinary Condition, Shaanxi Key Laboratory of Macromolecular Science and Technology; School of Science; Northwestern Polytechnical University; Xi'an 710072 P. R. China
| | - Yalan Wu
- PLA No. 323 Hospital; Xi'an, Shaanxi Province 710054 P. R. China
| | - Si Wu
- Max Planck Institut for Polymer Research; Ackermannweg 10 55128 Mainz Germany
| | - Dongyan Shao
- MOE Key Laboratory of Materials Physics and Chemistry in Extraordinary Condition, Shaanxi Key Laboratory of Macromolecular Science and Technology; School of Science; Northwestern Polytechnical University; Xi'an 710072 P. R. China
| | - Jie Kong
- MOE Key Laboratory of Materials Physics and Chemistry in Extraordinary Condition, Shaanxi Key Laboratory of Macromolecular Science and Technology; School of Science; Northwestern Polytechnical University; Xi'an 710072 P. R. China
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148
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Dai Y, Cheng S, Wang Z, Zhang R, Yang Z, Wang J, Yung BC, Wang Z, Jacobson O, Xu C, Ni Q, Yu G, Zhou Z, Chen X. Hypochlorous Acid Promoted Platinum Drug Chemotherapy by Myeloperoxidase-Encapsulated Therapeutic Metal Phenolic Nanoparticles. ACS NANO 2018; 12:455-463. [PMID: 29293312 DOI: 10.1021/acsnano.7b06852] [Citation(s) in RCA: 103] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
This study applies in situ production of hypochlorous acid (HOCl) to improve the therapeutic efficacy of platinum drugs. The phagocytic enzyme myeloperoxidase (MPO) is coated with two functional polyphenol derivatives (platinum prodrug polyphenols and PEG polyphenols) and ferric ion by metal phenolic coordination, which can shield MPO from degradation by other compounds in the blood. Moreover, the platinum prodrug can be reduced to cisplatin in cells and produce hydrogen peroxide (H2O2). The MPO catalyzes the conversion of H2O2 to HOCl in the intercellular environment. The as-prepared MPO Pt PEG nanoparticles (MPP NPs) can be employed as a reactive oxygen species cascade bioreaction to enhance platinum drug therapy. The MPP NPs show prolonged blood circulation and high tumor accumulation as evidenced by 89Zr-based positron emission tomography imaging. The MPP NPs effectively inhibit tumor growth in vivo. As a first-in-class platform to harness the highly toxic HOCl in nanomedicine for cancer therapy, this strategy may open doors for further development of progressive therapeutic systems.
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Affiliation(s)
- Yunlu Dai
- Engineering Research Center of Molecular-imaging and Neuro-imaging of Ministry of Education, School of Life Science and Technology, Xidian University , Xi'an, Shaanxi 710126, China
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH) , Bethesda, Maryland 20892, United States
| | - Siyuan Cheng
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH) , Bethesda, Maryland 20892, United States
| | - Zhongliang Wang
- Engineering Research Center of Molecular-imaging and Neuro-imaging of Ministry of Education, School of Life Science and Technology, Xidian University , Xi'an, Shaanxi 710126, China
| | - Ruili Zhang
- Engineering Research Center of Molecular-imaging and Neuro-imaging of Ministry of Education, School of Life Science and Technology, Xidian University , Xi'an, Shaanxi 710126, China
| | - Zhen Yang
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH) , Bethesda, Maryland 20892, United States
| | - Jingjing Wang
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH) , Bethesda, Maryland 20892, United States
| | - Bryant C Yung
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH) , Bethesda, Maryland 20892, United States
| | - Zhantong Wang
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH) , Bethesda, Maryland 20892, United States
| | - Orit Jacobson
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH) , Bethesda, Maryland 20892, United States
| | - Can Xu
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH) , Bethesda, Maryland 20892, United States
| | - Qianqian Ni
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH) , Bethesda, Maryland 20892, United States
| | - Guocan Yu
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH) , Bethesda, Maryland 20892, United States
| | - Zijian Zhou
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH) , Bethesda, Maryland 20892, United States
| | - Xiaoyuan Chen
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH) , Bethesda, Maryland 20892, United States
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149
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Buss JH, Begnini KR, Bender CB, Pohlmann AR, Guterres SS, Collares T, Seixas FK. Nano-BCG: A Promising Delivery System for Treatment of Human Bladder Cancer. Front Pharmacol 2018; 8:977. [PMID: 29379438 PMCID: PMC5770893 DOI: 10.3389/fphar.2017.00977] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2017] [Accepted: 12/21/2017] [Indexed: 01/06/2023] Open
Abstract
Mycobacterium bovis bacillus Calmette–Guerin (BCG) remains at the forefront of immunotherapy for treating bladder cancer patients. However, the incidence of recurrence and progression to invasive cancer is commonly observed. There are no established effective intravesical therapies available for patients, whose tumors recur following BCG treatment, representing an important unmet clinical need. In addition, there are very limited options for patients who do not respond to or tolerate chemotherapy due to toxicities, resulting in poor overall treatment outcomes. Within this context, nanotechnology is an emergent and promising tool for: (1) controlling drug release for extended time frames, (2) combination therapies due to the ability to encapsulate multiple drugs simultaneously, (3) reducing systemic side effects, (4) increasing bioavailability, (5) and increasing the viability of various routes of administration. Moreover, bladder cancer is often characterized by high mutation rates and over expression of tumor antigens on the tumor cell surface. Therapeutic targeting of these biomolecules may be improved by nanotechnology strategies. In this mini-review, we discuss how nanotechnology can help overcome current obstacles in bladder cancer treatment, and how nanotechnology can facilitate combination chemotherapeutic and BCG immunotherapies for the treatment of non-muscle invasive urothelial bladder cancer.
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Affiliation(s)
- Julieti Huch Buss
- Laboratory of Cancer Biotechnology, Biotechnology Graduate Program, Technology Development Center, Federal University of Pelotas, Pelotas, Rio Grande do Sul, Brazil
| | - Karine Rech Begnini
- Laboratory of Cancer Biotechnology, Biotechnology Graduate Program, Technology Development Center, Federal University of Pelotas, Pelotas, Rio Grande do Sul, Brazil
| | - Camila Bonemann Bender
- Laboratory of Cancer Biotechnology, Biotechnology Graduate Program, Technology Development Center, Federal University of Pelotas, Pelotas, Rio Grande do Sul, Brazil
| | - Adriana R Pohlmann
- Pharmaceutical Sciences, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil; Institute of Chemistry, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Silvia S Guterres
- Pharmaceutical Sciences, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Tiago Collares
- Laboratory of Cancer Biotechnology, Biotechnology Graduate Program, Technology Development Center, Federal University of Pelotas, Pelotas, Rio Grande do Sul, Brazil
| | - Fabiana Kömmling Seixas
- Laboratory of Cancer Biotechnology, Biotechnology Graduate Program, Technology Development Center, Federal University of Pelotas, Pelotas, Rio Grande do Sul, Brazil
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150
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Fereidoonnezhad M, Shahsavari HR, Abedanzadeh S, Nezafati A, Khazali A, Mastrorilli P, Babaghasabha M, Webb J, Faghih Z, Faghih Z, Bahemmat S, Beyzavi MH. Synthesis, structural characterization, biological evaluation and molecular docking studies of new platinum( ii) complexes containing isocyanides. NEW J CHEM 2018. [DOI: 10.1039/c7nj04819j] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Platinum(ii) complexes with various isocyanides are prepared and their biological activities are studied.
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