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Bai W, Xue Y, Guo Y, Zhang D, Ma K, Chen Z, Xia K, Liao B, Huang G, Pan S, Zheng Y, Wang H, Yang H, Zhang LK, Guan YQ. Reactive oxygen species produced by photodynamic therapy enhance docosahexaenoic acid lipid peroxidation and induce the death of breast cancer cells. Colloids Surf B Biointerfaces 2024; 241:114012. [PMID: 38850743 DOI: 10.1016/j.colsurfb.2024.114012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 05/12/2024] [Accepted: 06/02/2024] [Indexed: 06/10/2024]
Abstract
Breast cancer remains a serious threat to women's physical and emotional health. The combination therapies can overcome the deficiency of single therapy, enhance the therapeutic effects and reduce the side effects at the same time. In this study, we synthesize a novel nanomedicine that enhanced the therapeutic effects of breast cancer treatment by combining photodynamic therapy and chemotherapy. The doxorubicin (DOX) and photosensitizer methyl pyropheophorbide-a (MPPa) are loaded into the nano-drug delivery system as DPSPFA/MPPa/DOX. In response to near-infrared (NIR) laser, the drugs were quickly released to the cancer cells. The MPPa produces reactive oxygen species (ROS) under the action of photodynamics. Unsaturated fatty acids with ROS promotes lipid peroxidation and the combination of chemotherapy and photodynamic therapy. The data shows that the DPSPFA/MPPa/DOX has a spherical shape, good dispersibility and stability, and the particle size is roughly 200 nm. The drug loading capability of DOX is about 13 %. Both of MCF7 cell model in vitro and breast cancer model in vivo, DPSPFA/MPPa/DOX showed an excellent anti-tumor effect of 86.9 % and without any obvious side effects. These findings might offer potential for a new approach for breast cancer treatment.
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Affiliation(s)
- Weiwei Bai
- School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Yongyong Xue
- MOE Key laboratory of Laser Life Science & Institute of Laser Life Science, Guangdong Provincial Key Laboratory of Laser Life Science, Guangzhou Key Laboratory of Spectral Analysis and Functional Probes, College of Biophotonics, South China Normal University, Guangzhou 510631, China
| | - Yiyan Guo
- School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Dandan Zhang
- School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Kuo Ma
- School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Zhendong Chen
- School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Kunwen Xia
- School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Beining Liao
- School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Guowei Huang
- School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Shengjun Pan
- School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Yuxin Zheng
- School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Haoyuan Wang
- School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Hao Yang
- School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Ling-Kun Zhang
- School of Life Science, South China Normal University, Guangzhou 510631, China; School of Engineering, Westlake University, Hangzhou 310030, China.
| | - Yan-Qing Guan
- School of Life Science, South China Normal University, Guangzhou 510631, China; MOE Key laboratory of Laser Life Science & Institute of Laser Life Science, Guangdong Provincial Key Laboratory of Laser Life Science, Guangzhou Key Laboratory of Spectral Analysis and Functional Probes, College of Biophotonics, South China Normal University, Guangzhou 510631, China; South China Normal University-Panyu Central Hospital Joint Laboratory of Translational Medical Research, Panyu Central Hospital, Guangzhou 511400, China.
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Tereshkina YA, Bedretdinov FN, Kostryukova LV. A dual-vector phospholipid nanosystem of doxorubicin: accumulation and cytotoxic effect in breast cancer cells in vitro. BIOMEDITSINSKAIA KHIMIIA 2023; 69:409-419. [PMID: 38153056 DOI: 10.18097/pbmc20236906409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2023]
Abstract
Various chemotherapeutic agents are used to treat breast cancer (BC); one of them is the anthracycline antibiotic doxorubicin (Dox), which, in addition to its cytostatic effect, has serious side effects. In order to reduce its negative impact on healthy organs and tissues and to increase its accumulation in tumors, Dox was incorporated into phospholipid nanoparticles. The additional use of vector molecules for targeted delivery to specific targets can increase the effectiveness of Dox due to higher accumulation of the active substance in the tumor tissue. The integrin αvβ3, which plays an important role in cancer angiogenesis, and the folic acid receptor, which is responsible for cell differentiation and proliferation, have been considered in this study as targets for such vector molecules. Thus, a phospholipid composition of Dox containing two vector ligands, cRGD peptide and folic acid (NPh-Dox-cRGD-Fol(3,4)), was prepared. Study of the physical properties of the developed composition NPh-Dox-cRGD-Fol(3,4) showed that the average particle size was 39.62±4.61 nm, the ζ-potential value was 4.17±0.83 mV. Almost all Dox molecules were incorporated into phospholipid nanoparticles (99.85±0.21%). The simultaneous use of two vectors in the composition led to an increase in the Dox accumulation in MDA-MB-231 BC cells by almost 20% as compared to compositions containing each vector separately (folic acid or the cRGD peptide). Moreover, the degree of Dox internalization was 22% and 24% higher than in the case of separate use of folic acid and cRGD peptide, respectively. The cytotoxic effect on MDA-MB-231 cells was higher during incubations with the compositions containing folic acid as a single vector (NPh-Dox-Fol(3,4)) and together with the RGD peptide (NPh-Dox-cRGD-Fol(3,4)). Experiments on the Wi-38 diploid fibroblast cell line have shown a significantly lower degree of cytotoxic effect of the phospholipid composition, regardless of the presence of the vector molecules in it, as compared to free Dox. The results obtained indicate the potential of using two vectors in one phospholipid composition for targeted delivery of Dox.
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Nkune NW, Abrahamse H. The Efficacy of Zinc Phthalocyanine Nanoconjugate on Melanoma Cells Grown as Three-Dimensional Multicellular Tumour Spheroids. Pharmaceutics 2023; 15:2264. [PMID: 37765232 PMCID: PMC10535874 DOI: 10.3390/pharmaceutics15092264] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 08/30/2023] [Accepted: 08/30/2023] [Indexed: 09/29/2023] Open
Abstract
Melanoma remains a major public health concern that is highly resistant to standard therapeutic approaches. Photodynamic therapy (PDT) is an underutilised cancer therapy with an increased potency and negligible side effects, and it is non-invasive compared to traditional treatment modalities. Three-dimensional multicellular tumour spheroids (MCTS) closely resemble in vivo avascular tumour features, allowing for the more efficient and precise screening of novel anticancer agents with various treatment combinations. In this study, we utilised A375 human melanoma spheroids to screen the phototoxic effect of zinc phthalocyanine tetrasulfonate (ZnPcS4) conjugated to gold nanoparticles (AuNP). The nanoconjugate was synthesised and characterised using ultraviolet-visible spectroscopy, a high-resolution transmission electron microscope (TEM), dynamic light scattering (DLS), and zeta potential (ZP). The phototoxicity of the nanoconjugate was tested on the A375 MCTS using PDT at a fluency of 10 J/cm2. After 24 h, the cellular responses were evaluated via microscopy, an MTT viability assay, an ATP luminescence assay, and cell death induction using annexin propidium iodide. The MTT viability assay demonstrated that the photoactivated ZnPcS4, at a concentration of 12.73 µM, caused an approximately 50% reduction in the cell viability of the spheroids. When conjugated to AuNPs, the latter significantly increased the cellular uptake and cytotoxicity in the melanoma spheroids via the induction of apoptosis. This novel Zinc Phthalocyanine Nanoconjugate shows promise as a more effective PDT treatment modality.
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Affiliation(s)
| | - Heidi Abrahamse
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, Doornfontein, P.O. Box 17011, Johannesburg 2028, South Africa;
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Chitosan nanoparticles efficiently enhance the dispersibility, stability and selective antibacterial activity of insoluble isoflavonoids. Int J Biol Macromol 2023; 232:123420. [PMID: 36708890 DOI: 10.1016/j.ijbiomac.2023.123420] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 01/20/2023] [Accepted: 01/21/2023] [Indexed: 01/27/2023]
Abstract
Natural isoflavonoids have attracted much attention in the treatment of oral bacterial infections and other diseases due to their excellent antibacterial activity and safety. However, their poor water solubility, instability and low bioavailability seriously limited the practical application. In this study, licoricidin-loaded chitosan nanoparticles (LC-CSNPs) were synthesized by self-assembly for improving the dispersion of licoricidin (LC) and strengthening antibacterial and anti-biofilm performance. Compared to free LC, the minimum inhibitory concentration of LC-CSNPs against Streptococcus mutans decreased >2-fold to 26 μg/mL, and LC-CSNPs could ablate 70 % biofilms at this concentration. The enhanced antibacterial activity was mainly attributed to the spontaneous surface adsorption of LC-CSNPs on cell membranes through electrostatic interactions. More valuably, LC-CSNPs had no inhibitory effect on the growth of probiotic. Mechanism study indicated that LC-CSNPs altered the transmembrane potential to cause bacterial cells in a hyperpolarized state, generating ROS to cause cells damage and eventually apoptosis. This work demonstrated that the chitosan-based nanoparticles have great potential in enhancing the dispersibility and antibacterial activity of insoluble isoflavonoids, offering a promising therapeutic strategy for oral infections.
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Nkune NW, Kruger CA, Abrahamse H. Synthesis of a novel nanobioconjugate for targeted photodynamic therapy of colon cancer enhanced with cannabidiol. Oncotarget 2022; 13:156-172. [PMID: 35070080 PMCID: PMC8768846 DOI: 10.18632/oncotarget.28171] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 12/20/2021] [Indexed: 11/25/2022] Open
Abstract
Photodynamic therapy (PDT) is a promising primary treatment option for colorectal cancer (CRC), however CRC is accelerated by resilient CRC stem-like cells, which decrease its efficacy. In recent years, researchers have shown an emerging interest in the anticancer stem cell effects of cannabidiol (CBD). This study developed a targeted nanobioconjugate for specific ZnPcS4 photosensitizer intracellular accumulation within in vitro cultured human CRC cells (CaCo-2) for enhanced PDT primary treatment, as well as limited its secondary spread by combining this treatment with CBD. The final nanobioconjugate (FNBC) was successfully synthesized and characterized using various methods. The cytotoxicity of the FNBC and CBD were tested on CRC cells using laser irradiation at 673 nm with a fluency of 10 J/cm2. 24 h post treatment, morphological changes were assessed via microscopy, cell viability was measured using Annexin V-FITC and cellular nuclear DNA was visualized under fluorescent microscopy, following Hoechst staining. FNBC and CBD combinative treatment induced the most significant photodamage, leaving a staggering 6%*** viable cells. Overall, through active targeting of CRC cells using the FNBC, the enhanced PDT primary treatment of CRC was achieved, and the combinative treatment with CBD noted significant limitations on its secondary spread.
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Affiliation(s)
- Nkune Williams Nkune
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, Doornfontein 2028, South Africa
| | - Cherie Ann Kruger
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, Doornfontein 2028, South Africa
| | - Heidi Abrahamse
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, Doornfontein 2028, South Africa
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Cui G, Wu J, Lin J, Liu W, Chen P, Yu M, Zhou D, Yao G. Graphene-based nanomaterials for breast cancer treatment: promising therapeutic strategies. J Nanobiotechnology 2021; 19:211. [PMID: 34266419 PMCID: PMC8281664 DOI: 10.1186/s12951-021-00902-8] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 05/20/2021] [Indexed: 02/07/2023] Open
Abstract
Breast cancer is the most common malignancy in women, and its incidence increases annually. Traditional therapies have several side effects, leading to the urgent need to explore new smart drug-delivery systems and find new therapeutic strategies. Graphene-based nanomaterials (GBNs) are potential drug carriers due to their target selectivity, easy functionalization, chemosensitization and high drug-loading capacity. Previous studies have revealed that GBNs play an important role in fighting breast cancer. Here, we have summarized the superior properties of GBNs and modifications to shape GBNs for improved function. Then, we focus on the applications of GBNs in breast cancer treatment, including drug delivery, gene therapy, phototherapy, and magnetothermal therapy (MTT), and as a platform to combine multiple therapies. Their advantages in enhancing therapeutic effects, reducing the toxicity of chemotherapeutic drugs, overcoming multidrug resistance (MDR) and inhibiting tumor metastasis are highlighted. This review aims to help evaluate GBNs as therapeutic strategies and provide additional novel ideas for their application in breast cancer therapy.
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Affiliation(s)
- Guangman Cui
- Breast Center, Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Junrong Wu
- Stomatological Hospital, Southern Medical University, Guangzhou, China
| | - Jiaying Lin
- Breast Center, Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Wenjing Liu
- Stomatological Hospital, Southern Medical University, Guangzhou, China
| | - Peixian Chen
- Department of Breast Surgery, The First People's Hospital of Foshan, Sun Yat-Sen University, Guangdong, China
| | - Meng Yu
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, China
| | - Dan Zhou
- Department of Breast Surgery, The First People's Hospital of Foshan, Sun Yat-Sen University, Guangdong, China.
| | - Guangyu Yao
- Breast Center, Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China.
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Abstract
Since the last decade, the polymer-drug conjugate (PDC) approach has emerged as one of the most promising drug-delivery technologies owing to several benefits like circumventing premature drug release, offering controlled and targeted drug delivery, improving the stability, safety, and kinetics of conjugated drugs, and so forth. In recent years, PDC technology has advanced with the objective to further enhance the treatment outcomes by integrating nanotechnology and multifunctional characteristics into these systems. One such development is the ability of PDCs to act as theranostic agents, permitting simultaneous diagnosis and treatment options. Theranostic nanocarriers offer the opportunity to track the distribution of PDCs within the body and help to localize the diseased site. This characteristic is of particular interest, especially among those therapeutic approaches where external stimuli are supposed to be applied for abrupt drug release at the target site for localized delivery to avoid systemic side effects (e.g., Visudyne®). Thus, with the help of this review article, we are presenting the most recent updates in the domain of PDCs as nanotheranostic agents. Different methodologies utilized to design PDCs along with imaging characteristics and their applicability in a wide range of diseases, have been summarized in this article.
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Sier VQ, de Vries MR, van der Vorst JR, Vahrmeijer AL, van Kooten C, Cruz LJ, de Geus-Oei LF, Ferreira V, Sier CFM, Alves F, Muthana M. Cell-Based Tracers as Trojan Horses for Image-Guided Surgery. Int J Mol Sci 2021; 22:E755. [PMID: 33451116 PMCID: PMC7828607 DOI: 10.3390/ijms22020755] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 12/29/2020] [Accepted: 12/30/2020] [Indexed: 12/14/2022] Open
Abstract
Surgeons rely almost completely on their own vision and palpation to recognize affected tissues during surgery. Consequently, they are often unable to distinguish between different cells and tissue types. This makes accurate and complete resection cumbersome. Targeted image-guided surgery (IGS) provides a solution by enabling real-time tissue recognition. Most current targeting agents (tracers) consist of antibodies or peptides equipped with a radiolabel for Positron Emission Tomography (PET) and Single Photon Emission Computed Tomography (SPECT), magnetic resonance imaging (MRI) labels, or a near-infrared fluorescent (NIRF) dye. These tracers are preoperatively administered to patients, home in on targeted cells or tissues, and are visualized in the operating room via dedicated imaging systems. Instead of using these 'passive' tracers, there are other, more 'active' approaches of probe delivery conceivable by using living cells (macrophages/monocytes, neutrophils, T cells, mesenchymal stromal cells), cell(-derived) fragments (platelets, extracellular vesicles (exosomes)), and microorganisms (bacteria, viruses) or, alternatively, 'humanized' nanoparticles. Compared with current tracers, these active contrast agents might be more efficient for the specific targeting of tumors or other pathological tissues (e.g., atherosclerotic plaques). This review provides an overview of the arsenal of possibilities applicable for the concept of cell-based tracers for IGS.
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Affiliation(s)
- Vincent Q. Sier
- Department of Surgery, Leiden University Medical Center, 2300 RC Leiden, The Netherlands; (V.Q.S.); (M.R.d.V.); (J.R.v.d.V.); (A.L.V.)
| | - Margreet R. de Vries
- Department of Surgery, Leiden University Medical Center, 2300 RC Leiden, The Netherlands; (V.Q.S.); (M.R.d.V.); (J.R.v.d.V.); (A.L.V.)
| | - Joost R. van der Vorst
- Department of Surgery, Leiden University Medical Center, 2300 RC Leiden, The Netherlands; (V.Q.S.); (M.R.d.V.); (J.R.v.d.V.); (A.L.V.)
| | - Alexander L. Vahrmeijer
- Department of Surgery, Leiden University Medical Center, 2300 RC Leiden, The Netherlands; (V.Q.S.); (M.R.d.V.); (J.R.v.d.V.); (A.L.V.)
| | - Cornelis van Kooten
- Department of Nephrology, Leiden University Medical Center, 2300 RC Leiden, The Netherlands;
| | - Luis J. Cruz
- Department of Radiology, Translational Nanomaterials and Imaging Group, Leiden University Medical Center, 2300 RC Leiden, The Netherlands;
| | - Lioe-Fee de Geus-Oei
- Department of Radiology, Section of Nuclear Medicine, Leiden University Medical Center, 2300 RC Leiden, The Netherlands;
- Biomedical Photonic Imaging Group, University of Twente, 7522 NB Enschede, The Netherlands
| | - Valerie Ferreira
- Department of Research and Development, UniQure, 1100 DA Amsterdam, The Netherlands;
| | - Cornelis F. M. Sier
- Department of Surgery, Leiden University Medical Center, 2300 RC Leiden, The Netherlands; (V.Q.S.); (M.R.d.V.); (J.R.v.d.V.); (A.L.V.)
- Percuros B.V. Leiden, 2333 CL Leiden, The Netherlands
| | - Frauke Alves
- Translational Molecular Imaging, Clinic of Hematology and Medical Oncology, Institute of Diagnostic and Interventional Radiology, University Medicine Center Göttingen and Max-Planck-Institute for Experimental Medicine, 37075 Göttingen, Germany;
| | - Munitta Muthana
- Department of Infection and Immunity, University of Sheffield, Sheffield S10 2RX, UK;
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Caprifico AE, Polycarpou E, Foot PJS, Calabrese G. Biomedical and Pharmacological Uses of Fluorescein Isothiocyanate Chitosan-Based Nanocarriers. Macromol Biosci 2020; 21:e2000312. [PMID: 33016007 DOI: 10.1002/mabi.202000312] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Indexed: 12/26/2022]
Abstract
Chitosan-based nanocarriers (ChNCs) are considered suitable drug carriers due to their ability to encapsulate a variety of drugs and cross biological barriers to deliver the cargo to their target site. Fluorescein isothiocyanate-labeled chitosan-based NCs (FITC@ChNCs) are used extensively in biomedical and pharmacological applications. The main advantage of using FITC@ChNCs consists of the ability to track their fate both intra and extracellularly. This journey is strictly dependent on the physico-chemical properties of the carrier and the cell types under investigation. Other applications make use of fluorescent ChNCs in cell labeling for the detection of disorders in vivo and controlling of living cells in situ. This review describes the use of FITC@ChNCs in the various applications with a focus on understanding their usefulness in labeled drug-delivery systems.
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Affiliation(s)
- Anna E Caprifico
- A. E. Caprifico, Dr. E. Polycarpou, Prof. P. J. S. Foot, Dr. G. Calabrese, Pharmacy and Chemistry, Kingston University London, Penrhyn Road, Kingston upon Thames, KT1 2EE, UK
| | - Elena Polycarpou
- A. E. Caprifico, Dr. E. Polycarpou, Prof. P. J. S. Foot, Dr. G. Calabrese, Pharmacy and Chemistry, Kingston University London, Penrhyn Road, Kingston upon Thames, KT1 2EE, UK
| | - Peter J S Foot
- A. E. Caprifico, Dr. E. Polycarpou, Prof. P. J. S. Foot, Dr. G. Calabrese, Pharmacy and Chemistry, Kingston University London, Penrhyn Road, Kingston upon Thames, KT1 2EE, UK
| | - Gianpiero Calabrese
- A. E. Caprifico, Dr. E. Polycarpou, Prof. P. J. S. Foot, Dr. G. Calabrese, Pharmacy and Chemistry, Kingston University London, Penrhyn Road, Kingston upon Thames, KT1 2EE, UK
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10
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Naidoo C, Kruger CA, Abrahamse H. Targeted photodynamic therapy treatment of in vitro A375 metastatic melanoma cells. Oncotarget 2019; 10:6079-6095. [PMID: 31692760 PMCID: PMC6817449 DOI: 10.18632/oncotarget.27221] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 08/17/2019] [Indexed: 12/13/2022] Open
Abstract
Metastatic Melanoma (MM) is a deadly form of skin cancer and many photodynamic therapy (PDT) studies have noted limitations in relation to effective photosensitizer (PS) drug uptake in tumors. The focus of this study was to develop a PS multicomponent nanoparticle drug conjugate carrier system which specifically targets MM cells via biomarkers to actively enhance PS delivery and so improve MM PDT. An antibody-metallated phthalocyanine-polyethylene glycol-gold nanoparticle drug conjugate, was successfully synthesized and characterized. PS active drug targeting PDT experiments at 673 nm were conducted within in vitro cultured MM. Results noted that this drug conjugate enhanced the PDT treatment of MM, through improved subcellular localization of the PS, as well as noted significantly improved cytotoxic and late apoptotic cellular death in cells. The results from this study demonstrate that through the bio-active antibody PS drug targeting of MM, the efficacy of PDT treatment for this cancer can be enhanced.
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Affiliation(s)
- Channay Naidoo
- Laser Research Centre, University of Johannesburg, Johannesburg, South Africa
| | - Cherie Ann Kruger
- Laser Research Centre, University of Johannesburg, Johannesburg, South Africa
| | - Heidi Abrahamse
- Laser Research Centre, University of Johannesburg, Johannesburg, South Africa
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11
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Mahajan S, Patharkar A, Kuche K, Maheshwari R, Deb PK, Kalia K, Tekade RK. Functionalized carbon nanotubes as emerging delivery system for the treatment of cancer. Int J Pharm 2018; 548:540-558. [PMID: 29997043 DOI: 10.1016/j.ijpharm.2018.07.027] [Citation(s) in RCA: 92] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Revised: 07/05/2018] [Accepted: 07/07/2018] [Indexed: 01/19/2023]
Abstract
In recent time, carbon nanotubes (CNTs) have gained vital importance for pharmaceutical formulation scientist for delivering drugs and genes, owing to their excellent surface properties. For example, their aspect ratio is thought to be responsible for their excellent cell penetration aptitude; anisotropic conductivity/semi-conductivity along their axis is ideal for integration with nervous and muscular tissue; an ultrahigh surface area maximizes their ability to "talk" with biological matter; the hollow interior provides an enormous cargo-carrying capacity for drug delivery; and their exteriors are readily functionalized to permit tailoring of solubility and biological recognition. Despite their immense capabilities for the delivery of drugs, genes and other biomedically essential materials, there use is restricted primarily because of the severe toxicity. However, the reactive nature of the surface of the CNTs allowed attaching the guest molecules (drug, siRNA, and diagnostics) of interest which helps in increasing the biocompatibility of these novel nanocarriers. As per the need, CNTs can be modified with peptides, organic molecules, carbohydrates, polymers and used mainly for cancer targeting and tumor cell accumulation. This review expounds different functionalization strategies employed for CNTs that created new opportunities for scientists to improve the potential of delivered therapeutics.
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Affiliation(s)
- Shubhangi Mahajan
- National Institute of Pharmaceutical Education and Research (NIPER)-Ahmedabad, (An Institute of National Importance, Government of India), Department of Pharmaceuticals, Ministry of Chemicals and Fertilizers, Palaj, Opposite Air Force Station, Gandhinagar, Gujarat 382355, India
| | - Abhimanyu Patharkar
- National Institute of Pharmaceutical Education and Research (NIPER)-Ahmedabad, (An Institute of National Importance, Government of India), Department of Pharmaceuticals, Ministry of Chemicals and Fertilizers, Palaj, Opposite Air Force Station, Gandhinagar, Gujarat 382355, India
| | - Kaushik Kuche
- National Institute of Pharmaceutical Education and Research (NIPER)-Ahmedabad, (An Institute of National Importance, Government of India), Department of Pharmaceuticals, Ministry of Chemicals and Fertilizers, Palaj, Opposite Air Force Station, Gandhinagar, Gujarat 382355, India
| | - Rahul Maheshwari
- National Institute of Pharmaceutical Education and Research (NIPER)-Ahmedabad, (An Institute of National Importance, Government of India), Department of Pharmaceuticals, Ministry of Chemicals and Fertilizers, Palaj, Opposite Air Force Station, Gandhinagar, Gujarat 382355, India.
| | - Pran Kishore Deb
- Faculty of Pharmacy, Philadelphia University-Jordan, P.O. BOX (1), Philadelphia University, 19392, Jordan
| | - Kiran Kalia
- National Institute of Pharmaceutical Education and Research (NIPER)-Ahmedabad, (An Institute of National Importance, Government of India), Department of Pharmaceuticals, Ministry of Chemicals and Fertilizers, Palaj, Opposite Air Force Station, Gandhinagar, Gujarat 382355, India
| | - Rakesh K Tekade
- National Institute of Pharmaceutical Education and Research (NIPER)-Ahmedabad, (An Institute of National Importance, Government of India), Department of Pharmaceuticals, Ministry of Chemicals and Fertilizers, Palaj, Opposite Air Force Station, Gandhinagar, Gujarat 382355, India.
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Fong YT, Chen CH, Chen JP. Intratumoral Delivery of Doxorubicin on Folate-Conjugated Graphene Oxide by In-Situ Forming Thermo-Sensitive Hydrogel for Breast Cancer Therapy. NANOMATERIALS (BASEL, SWITZERLAND) 2017; 7:E388. [PMID: 29135959 PMCID: PMC5707605 DOI: 10.3390/nano7110388] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Revised: 11/03/2017] [Accepted: 11/07/2017] [Indexed: 12/12/2022]
Abstract
By taking advantage of the pH-sensitive drug release property of graphene oxide (GO) after intracellular uptake, we prepared folic acid (FA)-conjugated GO (GOFA) for targeted delivery of the chemotherapeutic drug doxorubicin (DOX). GOFA-DOX was further encapsulated in an injectable in-situ forming thermo-sensitive hyaluronic acid-chitosan-g-poly(N-isopropylacrylamide) (HACPN) hydrogel for intratumoral delivery of DOX. As the degradation time of HACPN could be extended up to 3 weeks, intratumoral delivery of GOFA-DOX/HACPN could provide controlled and targeted delivery of DOX through slow degradation HACPN and subsequent cellular uptake of released GOFA-DOX by tumor cells through interactions of GOFA with folate receptors on the tumor cell's surface. GOFA nano-carrier and HACPN hydrogel were first characterized for the physico-chemical properties. The drug loading experiments indicated the best preparation condition of GOFA-DOX was by reacting 0.1 mg GOFA with 2 mg DOX. GOFA-DOX showed pH-responsive drug release with ~5 times more DOX released at pH 5.5 than at pH 7.4 while only limited DOX was released from GOFA-DOX/HACPN at pH 7.4. Intracellular uptake of GOFA by endocytosis and release of DOX from GOFA-DOX in vitro could be confirmed from transmission electron microscopic and confocal laser scanning microscopic analysis with MCF-7 breast cancer cells. The targeting effect of FA was revealed when intracellular uptake of GOFA was blocked by excess FA. This resulted in enhanced in vitro cytotoxicity as revealed from the lower half maximal inhibitory concentration (IC50) value of GOFA-DOX (7.3 μg/mL) compared with that of DOX (32.5 μg/mL) and GO-DOX (10 μg/mL). The flow cytometry analysis indicated higher apoptosis rates for cells treated with GOFA-DOX (30%) compared with DOX (8%) and GO-DOX (11%). Animal studies were carried out with subcutaneously implanted MCF-7 cells in BALB/c nude mice and subject to intratumoral administration of drugs. The relative tumor volumes of control (saline) and GOFA-DOX/HACPN groups at day 21 were 2.17 and 1.79 times that at day 0 with no significant difference. In comparison, the relative tumor volumes of treatment groups at the same time were significantly different at 1.02, 0.67 and 0.48 times for DOX, GOFA-DOX and GOFA-DOX/HACPN groups, respectively. The anti-tumor efficacy was also supported by images from an in vivo imaging system (IVIS) using MCF-7 cells transfected with luciferase (MCF-7/Luc). Furthermore, tissue biopsy examination and blood analysis indicated that intratumoral delivery of DOX using GOFA-DOX/HACPN did not elicit acute toxicity. Taken together, GOFA-DOX/HACPN could be deemed as a safe and efficient intratumoral drug delivery system for breast cancer therapy.
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Affiliation(s)
- Yi Teng Fong
- Department of Chemical and Materials Engineering, Chang Gung University, Taoyuan 33302, Taiwan.
- Department of Plastic and Reconstructive Surgery and Craniofacial Research Center, Chang Gung Memorial Hospital, Linkou, Kwei-San, Taoyuan 33305, Taiwan.
| | - Chih-Hao Chen
- Department of Plastic and Reconstructive Surgery and Craniofacial Research Center, Chang Gung Memorial Hospital, Linkou, Kwei-San, Taoyuan 33305, Taiwan.
| | - Jyh-Ping Chen
- Department of Chemical and Materials Engineering, Chang Gung University, Taoyuan 33302, Taiwan.
- Department of Plastic and Reconstructive Surgery and Craniofacial Research Center, Chang Gung Memorial Hospital, Linkou, Kwei-San, Taoyuan 33305, Taiwan.
- Research Center for Chinese Herbal Medicine and Research Center for Food and Cosmetic Safety, College of Human Ecology, Chang Gung University of Science and Technology, Kwei-San, Taoyuan 33302, Taiwan.
- Department of Materials Engineering, Ming Chi University of Technology, Tai-Shan, New Taipei City 24301, Taiwan.
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