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Adekiya TA, Moore M, Thomas M, Lake G, Hudson T, Adesina SK. Preparation, Optimization, and In-Vitro Evaluation of Brusatol- and Docetaxel-Loaded Nanoparticles for the Treatment of Prostate Cancer. Pharmaceutics 2024; 16:114. [PMID: 38258124 PMCID: PMC10819281 DOI: 10.3390/pharmaceutics16010114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Revised: 11/30/2023] [Accepted: 01/09/2024] [Indexed: 01/24/2024] Open
Abstract
Challenges to docetaxel use in prostate cancer treatment include several resistance mechanisms as well as toxicity. To overcome these challenges and to improve the therapeutic efficacy in heterogeneous prostate cancer, the use of multiple agents that can destroy different subpopulations of the tumor is required. Brusatol, a multitarget inhibitor, has been shown to exhibit potent anticancer activity and play an important role in drug response and chemoresistance. Thus, the combination of brusatol and docetaxel in a nanoparticle platform for the treatment of prostate cancer is expected to produce synergistic effects. In this study, we reported the development of polymeric nanoparticles for the delivery of brusatol and docetaxel in the treatment of prostate cancer. The one-factor-at-a-time method was used to screen for formulation and process variables that impacted particle size. Subsequently, factors that had modifiable effects on particle size were evaluated using a 24 full factorial statistical experimental design followed by the optimization of drug loading. The optimization of blank nanoparticles gave a formulation with a mean size of 169.1 nm ± 4.8 nm, in agreement with the predicted size of 168.333 nm. Transmission electron microscopy showed smooth spherical nanoparticles. The drug release profile showed that the encapsulated drugs were released over 24 h. Combination index data showed a synergistic interaction between the drugs. Cell cycle analysis and the evaluation of caspase activity showed differences in PC-3 and LNCaP prostate cancer cell responses to the agents. Additionally, immunoblots showed differences in survivin expression in LNCaP cells after treatment with the different agents and formulations for 24 h and 72 h. Therefore, the nanoparticles are potentially suitable for the treatment of advanced prostate cancer.
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Affiliation(s)
- Tayo Alex Adekiya
- Department of Pharmaceutical Sciences, College of Pharmacy, Howard University, Washington, DC 20059, USA
| | - Madison Moore
- Department of Biology, Howard University, Washington, DC 20059, USA
| | - Michael Thomas
- Department of Biology, Howard University, Washington, DC 20059, USA
| | - Gabriel Lake
- Department of Pharmaceutical Sciences, College of Pharmacy, Howard University, Washington, DC 20059, USA
| | - Tamaro Hudson
- Cancer Center, Howard University, Washington, DC 20059, USA
| | - Simeon K. Adesina
- Department of Pharmaceutical Sciences, College of Pharmacy, Howard University, Washington, DC 20059, USA
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2
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Taghavizadeh Yazdi ME, Qayoomian M, Beigoli S, Boskabady MH. Recent advances in nanoparticle applications in respiratory disorders: a review. Front Pharmacol 2023; 14:1059343. [PMID: 37538179 PMCID: PMC10395100 DOI: 10.3389/fphar.2023.1059343] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Accepted: 05/30/2023] [Indexed: 08/05/2023] Open
Abstract
Various nanoparticles are used in the discovery of new nanomedicine to overcome the shortages of conventional drugs. Therefore, this article presents a comprehensive and up-to-date review of the effects of nanoparticle-based drugs in the treatment of respiratory disorders, including both basic and clinical studies. Databases, including PubMed, Web of Knowledge, and Scopus, were searched until the end of August 2022 regarding the effect of nanoparticles on respiratory diseases. As a new tool, nanomedicine offered promising applications for the treatment of pulmonary diseases. The basic composition and intrinsic characteristics of nanomaterials showed their effectiveness in treating pulmonary diseases. The efficiency of different nanomedicines has been demonstrated in experimental animal models of asthma, chronic obstructive pulmonary disease (COPD), pulmonary fibrosis (PF), lung cancer, lung infection, and other lung disorders, confirming their function in the improvement of respiratory disorders. Various types of nanomaterials, such as carbon nanotubes, dendrimers, polymeric nanomaterials, liposomes, quantum dots, and metal and metal oxide nanoparticles, have demonstrated therapeutic effects on respiratory disorders, which may lead to new possible remedies for various respiratory illnesses that could increase drug efficacy and decrease side effects.
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Affiliation(s)
| | - Mohsen Qayoomian
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Sima Beigoli
- Mashhad University of Medical Sciences, Mashhad, Razavi Khorasan, Iran
| | - Mohammad Hossein Boskabady
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Physiology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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3
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Kim E, Jeon S, Yang YS, Jin C, Kim JY, Oh YS, Rah JC, Choi H. A Neurospheroid-Based Microrobot for Targeted Neural Connections in a Hippocampal Slice. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2208747. [PMID: 36640750 DOI: 10.1002/adma.202208747] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 01/10/2023] [Indexed: 06/17/2023]
Abstract
Functional restoration by the re-establishment of cellular or neural connections remains a major challenge in targeted cell therapy and regenerative medicine. Recent advances in magnetically powered microrobots have shown potential for use in controlled and targeted cell therapy. In this study, a magnetic neurospheroid (Mag-Neurobot) that can form both structural and functional connections with an organotypic hippocampal slice (OHS) is assessed using an ex vivo model as a bridge toward in vivo application. The Mag-Neurobot consists of hippocampal neurons and superparamagnetic nanoparticles (SPIONs); it is precisely and skillfully manipulated by an external magnetic field. Furthermore, the results of patch-clamp recordings of hippocampal neurons indicate that neither the neuronal excitabilities nor the synaptic functions of SPION-loaded cells are significantly affected. Analysis of neural activity propagation using high-density multi-electrode arrays shows that the delivered Mag-Neurobot is functionally connected with the OHS. The applications of this study include functional verification for targeted cell delivery through the characterization of novel synaptic connections and the functionalities of transported and transplanted cells. The success of the Mag-Neurobot opens up new avenues of research and application; it offers a test platform for functional neural connections and neural regenerative processes through cell transplantation.
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Affiliation(s)
- Eunhee Kim
- IMsystem Co., Ltd., 333, Technojungang-daero, Hyeonpung-eup, Dalseong-gun, Daegu, 42988, Republic of Korea
| | - Sungwoong Jeon
- IMsystem Co., Ltd., 333, Technojungang-daero, Hyeonpung-eup, Dalseong-gun, Daegu, 42988, Republic of Korea
| | - Yoon-Sil Yang
- Emerging Infectious Disease Vaccines Division, National Institute of Food and Drug Safety Evaluation, 187, Osongsaengmyeong 2-ro, Osong-eup, Heungdeok-gu, Cheongju-si, Chungcheongbuk-do, 28159, Republic of Korea
- Korea Brain Research Institute, 61, Cheomdan-ro, Dong-gu, Daegu, 41062, Republic of Korea
| | - Chaewon Jin
- DGIST-ETH Microrobotics Research Center, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Republic of Korea
| | - Jin-Young Kim
- DGIST-ETH Microrobotics Research Center, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Republic of Korea
- Department of Robotics and Mechatronics Engineering, DGIST, Daegu, 42988, Republic of Korea
| | - Yong-Seok Oh
- Department of Brain Sciences, DGIST, Daegu, 42988, Republic of Korea
| | - Jong-Cheol Rah
- Korea Brain Research Institute, 61, Cheomdan-ro, Dong-gu, Daegu, 41062, Republic of Korea
- Department of Brain Sciences, DGIST, Daegu, 42988, Republic of Korea
| | - Hongsoo Choi
- DGIST-ETH Microrobotics Research Center, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Republic of Korea
- Department of Robotics and Mechatronics Engineering, DGIST, Daegu, 42988, Republic of Korea
- Robotics and Mechatronics Engineering Research Center, DGIST, Daegu, 42988, Republic of Korea
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4
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Pourmadadi M, Ahmadi MJ, Dinani HS, Ajalli N, Dorkoosh F. Theranostic applications of stimulus-responsive systems based on Fe2O3. Pharm Nanotechnol 2022; 10:90-112. [PMID: 35142274 DOI: 10.2174/2211738510666220210105113] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 11/18/2021] [Accepted: 11/26/2021] [Indexed: 11/22/2022]
Abstract
According to the interaction of nanoparticles with biological systems, enthusiasm for nanotechnology in biomedical applications has been developed in the past decades. Fe2O3 nanoparticles, as the most stable iron oxide, have special merits that make them useful widely for detecting diseases, therapy, drug delivery, and monitoring the therapeutic process. This review presents the fabrication methods of Fe2O3-based materials and their photocatalytic and magnetic properties. Then, we highlight the application of Fe2O3-based nanoparticles in diagnosis and imaging, different therapy methods, and finally, stimulus-responsive systems, such as pH-responsive, magnetic-responsive, redox-responsive, and enzyme-responsive, with an emphasis on cancer treatment. In addition, the potential of Fe2O3 to combine diagnosis and therapy within a single particle called theranostic agent will be discussed.
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Affiliation(s)
- Mehrab Pourmadadi
- School of Chemical Engineering, College of Engineering, University of Tehran, Tehran, Iran
| | - Mohammad Javad Ahmadi
- School of Chemical Engineering, College of Engineering, University of Tehran, Tehran, Iran
| | | | - Narges Ajalli
- School of Chemical Engineering, College of Engineering, University of Tehran, Tehran, Iran
| | - Farid Dorkoosh
- Faculty of Pharmacy, Tehran University of Medical Science, Tehran, Iran
- Medical Biomaterial Research Center (MBR), Tehran University of Medical Science, Tehran, Iran
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5
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Manouchehri S, Zarrintaj P, Saeb MR, Ramsey JD. Advanced Delivery Systems Based on Lysine or Lysine Polymers. Mol Pharm 2021; 18:3652-3670. [PMID: 34519501 DOI: 10.1021/acs.molpharmaceut.1c00474] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Polylysine and materials that integrate lysine form promising drug delivery platforms. As a cationic macromolecule, a polylysine polymer electrostatically interacts with cells and is efficiently internalized, thereby enabling intracellular delivery. Although polylysine is intrinsically pH-responsive, the conjugation with different functional groups imparts smart, stimuli-responsive traits by adding pH-, temperature-, hypoxia-, redox-, and enzyme-responsive features for enhanced delivery of therapeutic agents. Because of such characteristics, polylysine has been used to deliver various cargos such as small-molecule drugs, genes, proteins, and imaging agents. Furthermore, modifying contrast agents with polylysine has been shown to improve performance, including increasing cellular uptake and stability. In this review, the use of lysine residues, peptides, and polymers in various drug delivery systems has been discussed comprehensively to provide insight into the design and robust manufacturing of lysine-based delivery platforms.
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Affiliation(s)
- Saeed Manouchehri
- School of Chemical Engineering, Oklahoma State University, 420 Engineering North, Stillwater, Oklahoma 74078, United States
| | - Payam Zarrintaj
- School of Chemical Engineering, Oklahoma State University, 420 Engineering North, Stillwater, Oklahoma 74078, United States
| | | | - Joshua D Ramsey
- School of Chemical Engineering, Oklahoma State University, 420 Engineering North, Stillwater, Oklahoma 74078, United States
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6
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Mamani JB, Souza TKF, Nucci MP, Oliveira FA, Nucci LP, Alves AH, Rego GNA, Marti L, Gamarra LF. In Vitro Evaluation of Hyperthermia Magnetic Technique Indicating the Best Strategy for Internalization of Magnetic Nanoparticles Applied in Glioblastoma Tumor Cells. Pharmaceutics 2021; 13:1219. [PMID: 34452180 PMCID: PMC8399657 DOI: 10.3390/pharmaceutics13081219] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Revised: 08/04/2021] [Accepted: 08/04/2021] [Indexed: 11/16/2022] Open
Abstract
This in vitro study aims to evaluate the magnetic hyperthermia (MHT) technique and the best strategy for internalization of magnetic nanoparticles coated with aminosilane (SPIONAmine) in glioblastoma tumor cells. SPIONAmine of 50 and 100 nm were used for specific absorption rate (SAR) analysis, performing the MHT with intensities of 50, 150, and 300 Gauss and frequencies varying between 305 and 557 kHz. The internalization strategy was performed using 100, 200, and 300 µgFe/mL of SPIONAmine, with or without Poly-L-Lysine (PLL) and filter, and with or without static or dynamic magnet field. The cell viability was evaluated after determination of MHT best condition of SPIONAmine internalization. The maximum SAR values of SPIONAmine (50 nm) and SPIONAmine (100 nm) identified were 184.41 W/g and 337.83 W/g, respectively, using a frequency of 557 kHz and intensity of 300 Gauss (≈23.93 kA/m). The best internalization strategy was 100 µgFe/mL of SPIONAmine (100 nm) using PLL with filter and dynamic magnet field, submitted to MHT for 40 min at 44 °C. This condition displayed 70.0% decreased in cell viability by flow cytometry and 68.1% by BLI. We can conclude that our study is promising as an antitumor treatment, based on intra- and extracellular MHT effects. The optimization of the nanoparticles internalization process associated with their magnetic characteristics potentiates the extracellular acute and late intracellular effect of MHT achieving greater efficiency in the therapeutic process.
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Affiliation(s)
- Javier B. Mamani
- Hospital Israelita Albert Einstein, São Paulo 05652-000, SP, Brazil; (J.B.M.); (T.K.F.S.); (M.P.N.); (F.A.O.); (A.H.A.); (G.N.A.R.); (L.M.)
| | - Taylla K. F. Souza
- Hospital Israelita Albert Einstein, São Paulo 05652-000, SP, Brazil; (J.B.M.); (T.K.F.S.); (M.P.N.); (F.A.O.); (A.H.A.); (G.N.A.R.); (L.M.)
| | - Mariana P. Nucci
- Hospital Israelita Albert Einstein, São Paulo 05652-000, SP, Brazil; (J.B.M.); (T.K.F.S.); (M.P.N.); (F.A.O.); (A.H.A.); (G.N.A.R.); (L.M.)
- LIM44-Hospital das Clínicas da Faculdade Medicina da Universidade de São Paulo, São Paulo 05403-000, SP, Brazil
| | - Fernando A. Oliveira
- Hospital Israelita Albert Einstein, São Paulo 05652-000, SP, Brazil; (J.B.M.); (T.K.F.S.); (M.P.N.); (F.A.O.); (A.H.A.); (G.N.A.R.); (L.M.)
| | - Leopoldo P. Nucci
- Centro Universitário do Planalto Central, Brasília 72445-020, DF, Brazil;
| | - Arielly H. Alves
- Hospital Israelita Albert Einstein, São Paulo 05652-000, SP, Brazil; (J.B.M.); (T.K.F.S.); (M.P.N.); (F.A.O.); (A.H.A.); (G.N.A.R.); (L.M.)
| | - Gabriel N. A. Rego
- Hospital Israelita Albert Einstein, São Paulo 05652-000, SP, Brazil; (J.B.M.); (T.K.F.S.); (M.P.N.); (F.A.O.); (A.H.A.); (G.N.A.R.); (L.M.)
| | - Luciana Marti
- Hospital Israelita Albert Einstein, São Paulo 05652-000, SP, Brazil; (J.B.M.); (T.K.F.S.); (M.P.N.); (F.A.O.); (A.H.A.); (G.N.A.R.); (L.M.)
| | - Lionel F. Gamarra
- Hospital Israelita Albert Einstein, São Paulo 05652-000, SP, Brazil; (J.B.M.); (T.K.F.S.); (M.P.N.); (F.A.O.); (A.H.A.); (G.N.A.R.); (L.M.)
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7
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Martín MJ, Gentili C, Lassalle V. In vitro Biological Tests as the First Tools To Validate Magnetic Nanotheranostics for Colorectal Cancer Models. ChemMedChem 2020; 15:1003-1017. [PMID: 32365271 DOI: 10.1002/cmdc.202000119] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 05/03/2020] [Indexed: 12/13/2022]
Abstract
Colorectal cancer (CRC) remains a leading cause of cancer death. Nanotechnology has focused on reaching more effective treatments. In this concern, magnetic nanoparticles (MNPs) have been studied for a wide range of biomedical applications related to CRC, such as diagnostic imaging, drug delivery and thermal therapy. However, limited research is currently found in the open literature that refers to nanosystems combining all these mentioned areas (theranostics). When developing nanosystems intended as theranostics applied to CRC, possible variations between patients must be considered. Therefore, multiple in vitro assays are required as guidance for future preclinical and clinical trials. The objective of this contribution is to evaluate the available and recent literature regarding the interactions of MNP and CRC models, aiming to critically analyze the information given by the commonly used assays and evaluate the data provided by each one with a view to implementing this novel technology in CRC diagnostics and therapy.
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Affiliation(s)
- María Julia Martín
- INQUISUR, Departamento de Química, Universidad Nacional del Sur (CONICET-UNS), Alem 1253, Bahía Blanca, Argentina.,INBIOSUR, Departamento de Biología, Bioquímica y Farmacia, Universidad Nacional del Sur (CONICET-UNS), San Juan 670, Bahía Blanca, Argentina
| | - Claudia Gentili
- INBIOSUR, Departamento de Biología, Bioquímica y Farmacia, Universidad Nacional del Sur (CONICET-UNS), San Juan 670, Bahía Blanca, Argentina
| | - Verónica Lassalle
- INQUISUR, Departamento de Química, Universidad Nacional del Sur (CONICET-UNS), Alem 1253, Bahía Blanca, Argentina
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8
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Demin AM, Mekhaev AV, Kandarakov OF, Popenko VI, Leonova OG, Murzakaev AM, Kuznetsov DK, Uimin MA, Minin AS, Shur VY, Belyavsky AV, Krasnov VP. L-Lysine-modified Fe 3O 4 nanoparticles for magnetic cell labeling. Colloids Surf B Biointerfaces 2020; 190:110879. [PMID: 32135495 DOI: 10.1016/j.colsurfb.2020.110879] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 02/07/2020] [Accepted: 02/17/2020] [Indexed: 12/31/2022]
Abstract
The efficiency of magnetic labeling with L-Lys-modified Fe3O4 magnetic nanoparticles (MNPs) and the stability of magnetization of rat adipose-derived mesenchymal stem cells, lineage-negative (Lin(-)) hematopoietic progenitor cells from mouse bone marrow and human leukemia K562 cells were studied. For this purpose, covalent modification of MNPs with 3-aminopropylsilane and N-di-Fmoc-L-lysine followed by removal of N-protecting groups was carried out. Since the degree of hydroxylation of the surface of the starting nanoparticles plays a crucial role in the silanization reaction and the possibility of obtaining stable colloidal solutions. In present work we for the first time performed a comparative qualitative and quantitative evaluation of the number of adsorbed water molecules and hydroxyl groups on the surface of chemically and physically obtained Fe3O4 MNPs using comprehensive FTIR spectroscopy and thermogravimetric analysis. The results obtained can be further used for magnetic labeling of cells in experiments in vitro and in vivo.
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Affiliation(s)
- Alexander M Demin
- Postovsky Institute of Organic Synthesis, Russian Academy of Sciences (Ural Branch), 22 S. Kovalevskoy St., Yekaterinburg, 620990, Russia.
| | - Alexander V Mekhaev
- Postovsky Institute of Organic Synthesis, Russian Academy of Sciences (Ural Branch), 22 S. Kovalevskoy St., Yekaterinburg, 620990, Russia
| | - Oleg F Kandarakov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 32 Vavilova St., Moscow 119991, Russia
| | - Vladimir I Popenko
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 32 Vavilova St., Moscow 119991, Russia
| | - Olga G Leonova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 32 Vavilova St., Moscow 119991, Russia
| | - Aidar M Murzakaev
- Institute of Electrophysics, Russian Academy of Sciences (Ural Branch), 106 Amudsen St., Yekaterinburg, 620016, Russia; Institute of Natural Sciences and Mathematics, Ural Federal University, 51 Lenin Ave., Yekaterinburg 620000, Russia
| | - Dmitry K Kuznetsov
- Institute of Natural Sciences and Mathematics, Ural Federal University, 51 Lenin Ave., Yekaterinburg 620000, Russia
| | - Mikhail A Uimin
- Mikheev Institute of Metal Physics, Russian Academy of Sciences (Ural Branch), 18 S. Kovalevskoy St., Yekaterinburg, 620990, Russia
| | - Artem S Minin
- Mikheev Institute of Metal Physics, Russian Academy of Sciences (Ural Branch), 18 S. Kovalevskoy St., Yekaterinburg, 620990, Russia
| | - Vladimir Ya Shur
- Institute of Natural Sciences and Mathematics, Ural Federal University, 51 Lenin Ave., Yekaterinburg 620000, Russia
| | - Alexander V Belyavsky
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 32 Vavilova St., Moscow 119991, Russia
| | - Victor P Krasnov
- Postovsky Institute of Organic Synthesis, Russian Academy of Sciences (Ural Branch), 22 S. Kovalevskoy St., Yekaterinburg, 620990, Russia; Institute of Chemical Engineering, Ural Federal University, 19 Mira St., Yekaterinburg, 620002, Russia
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9
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Trombik P, Cieślik-Boczula K. Influence of phenothiazine molecules on the interactions between positively charged poly-l-lysine and negatively charged DPPC/DPPG membranes. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 227:117563. [PMID: 31689607 DOI: 10.1016/j.saa.2019.117563] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 09/20/2019] [Accepted: 09/21/2019] [Indexed: 06/10/2023]
Abstract
Phenothiazines are very effective antipsychotic drugs, which also have anticancer and antimicrobial activities. Despite being used in human treatment, the molecular mechanism of the biological actions of these molecules is not yet understood in detail. The role of the interactions between phenothiazines and proteins or lipid membranes has been much discussed. Herein, fourier-transform infrared (FTIR) spectroscopic studies were used to investigate the effect of three phenothiazines: fluphenazine (FPh); chlorpromazine (ChP); and propionylpromazine (PP) on the structures of a positively charged poly-l-lysine (PLL) peptide, a negatively charged dipalmitoylphosphatidylcholine/dipalmitoylphosphatidylglycerol (DPPC/DPPG) membrane, and on the mutual interactions between electrostatically associated PLL molecules and DPPC/DPPG membranes. Phenothiazine-induced alterations in the secondary structure of PLL, the conformational state (trans/gauche) of the hydrocarbon lipid chains, and the hydration of the DPPC/DPPG membrane interface were studied on the basis of amide I' vibrations, antisymmetric and symmetric stretching vibrations of the CH2 groups of the lipid hydrocarbon chains (νsCH2), and stretching vibrations of the lipid C=O groups (νC = O), respectively. It was shown that in the presence of negatively charged DPPC/DPPG membranes, the phenothiazines were able to modify the secondary structure of charged PLL molecules. Additionally, the effect of PLL on the structure of DPPC/DPPG membranes was also altered by the presence of the phenothiazine molecules.
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Affiliation(s)
- Paulina Trombik
- Faculty of Chemistry, University of Wroclaw, F. Joliot-Curie 14, 50-383, Wroclaw, Poland
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10
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Hasanzadeh Kafshgari M, Goldmann WH. Insights into Theranostic Properties of Titanium Dioxide for Nanomedicine. NANO-MICRO LETTERS 2020; 12:22. [PMID: 34138062 PMCID: PMC7770757 DOI: 10.1007/s40820-019-0362-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 12/08/2019] [Indexed: 05/02/2023]
Abstract
Titanium dioxide (TiO2) nanostructures exhibit a broad range of theranostic properties that make them attractive for biomedical applications. TiO2 nanostructures promise to improve current theranostic strategies by leveraging the enhanced quantum confinement, thermal conversion, specific surface area, and surface activity. This review highlights certain important aspects of fabrication strategies, which are employed to generate multifunctional TiO2 nanostructures, while outlining post-fabrication techniques with an emphasis on their suitability for nanomedicine. The biodistribution, toxicity, biocompatibility, cellular adhesion, and endocytosis of these nanostructures, when exposed to biological microenvironments, are examined in regard to their geometry, size, and surface chemistry. The final section focuses on recent biomedical applications of TiO2 nanostructures, specifically evaluating therapeutic delivery, photodynamic and sonodynamic therapy, bioimaging, biosensing, tissue regeneration, as well as chronic wound healing.
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Affiliation(s)
| | - Wolfgang H Goldmann
- Department of Physics, Biophysics Group, University of Erlangen-Nuremberg, 91052, Erlangen, Germany.
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11
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Development of a poly(vinyl alcohol)/lysine electrospun membrane-based drug delivery system for improved skin regeneration. Int J Pharm 2019; 570:118640. [PMID: 31446025 DOI: 10.1016/j.ijpharm.2019.118640] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 08/20/2019] [Accepted: 08/21/2019] [Indexed: 02/08/2023]
Abstract
Nanofiber-based wound dressings are currently being explored as delivery systems of different biomolecules for avoiding skin infections as well as improve/accelerate the healing process. In the present work, a nanofibrous membrane composed of poly(vinyl alcohol) (PVA) and lysine (Lys) was produced by using the electrospinning technique. Further, anti-inflammatory (ibuprofen (IBP)) and antibacterial (lavender oil (LO)) agents were incorporated within the electrospun membrane through blend electrospinning and surface physical adsorption methods, respectively. The obtained results demonstrated that the PVA_Lys electrospun membranes incorporating IBP or LO displayed the suitable morphological, mechanical and biological properties for enhancing the wound healing process. Moreover, the controlled and sustained release profile attained for IBP was appropriate for the duration of the wound healing inflammatory phase, whereas the initial burst release of LO is crucial to prevent wound bacterial contamination. Indeed, the PVA_Lys_LO electrospun membranes were able to mediate a strong antibacterial activity against both S. aureus and P. aeruginosa, without compromising human fibroblasts viability. Overall, the gathered data emphasizes the potential of the PVA_Lys electrospun membranes-based drug delivery systems to be used as wound dressings.
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12
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Biomimetic modification of poly-l-lysine and electrodeposition of nanocomposite coatings for orthopaedic applications. Colloids Surf B Biointerfaces 2019; 176:115-121. [DOI: 10.1016/j.colsurfb.2018.12.049] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Revised: 11/28/2018] [Accepted: 12/18/2018] [Indexed: 01/19/2023]
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13
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Selvam R, Ramasamy S, Mohiyuddin S, Enoch IVMV, Gopinath P, Filimonov D. Molecular encapsulator-appended poly(vinyl alcohol) shroud on ferrite nanoparticles. Augmented cancer-drug loading and anticancer property. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 93:125-133. [PMID: 30274045 DOI: 10.1016/j.msec.2018.07.058] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2017] [Revised: 07/13/2018] [Accepted: 07/21/2018] [Indexed: 11/16/2022]
Abstract
Magnetic nanoparticles (MNPs) have the potency to deliver cancer drugs assisted by the application of a magnetic field. In this paper, we present the design of magnesium ferrite nanoparticles of size suitable for drug delivery. A coating polymer, poly(vinyl alcohol), tethered with a tapered cone-shaped cyclic oligosachcharide, β-cyclodextrin (β-CD) is synthesized and used to wrap and disperse the MNPs. The magnetic properties are explored using vibrating sample magnetometry and Mössbauer spectroscopy. The ∑130 nm MNPs, shrouded with the PVA-CD conjugate allows a high amount of the cancer drug, camptothecin, to be loaded on the nanocarrier. Cytotoxicity studies reveal that the loaded drug retains its potency against HEK 293 cells and the cells are sensitive to the treatment by the drug-loaded nanocarrier.
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Affiliation(s)
- Rajakar Selvam
- Nanotoxicology Research Lab, Department of Nanosciences, Karunya Institute of Technology & Sciences, Coimbatore 641 114, Tamil Nadu, India
| | - Sivaraj Ramasamy
- Chemistry Research Lab, Karunya Institute of Technology & Sciences, Coimbatore 641 114, Tamil Nadu, India
| | - Shanid Mohiyuddin
- Department of Biotechnology/Centre for Nanotechnology, Indian Institute of Technology Roorkee, Roorkee 247 667, Uttarakhand, India
| | - Israel V M V Enoch
- Nanotoxicology Research Lab, Department of Nanosciences, Karunya Institute of Technology & Sciences, Coimbatore 641 114, Tamil Nadu, India; Chemistry Research Lab, Karunya Institute of Technology & Sciences, Coimbatore 641 114, Tamil Nadu, India.
| | - Packirisamy Gopinath
- Department of Biotechnology/Centre for Nanotechnology, Indian Institute of Technology Roorkee, Roorkee 247 667, Uttarakhand, India.
| | - Dmitry Filimonov
- Radiochemistry branch, Department of Chemistry, GSP-1 Moscow State University, Leninskie Gory, 119991 Moscow, Russia.
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14
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Moeez S, Siddiqui EA, Khan S, Ahmad A. Size Reduction of Bulk Alumina for Mass Production of Fluorescent Nanoalumina by Fungus Humicola sp. J CLUST SCI 2017. [DOI: 10.1007/s10876-017-1195-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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15
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Jin M, Long M, Su H, Pan Y, Zhang Q, Wang J, Zhou B, Zhang Y. Magnetically separable maghemite/montmorillonite composite as an efficient heterogeneous Fenton-like catalyst for phenol degradation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:1926-1937. [PMID: 27798800 DOI: 10.1007/s11356-016-7866-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Accepted: 10/07/2016] [Indexed: 06/06/2023]
Abstract
To develop highly efficient and conveniently separable iron containing catalysts is crucial to remove recalcitrant organic pollutants in wastewater through a heterogeneous Fenton-like reaction. A maghemite/montmorillonite composite was synthesized by a coprecipitation and calcination method. The physiochemical properties of catalysts were characterized by XRD, TEM, nitrogen physisorption, thermogravimetric analysis/differential scanning calorimetry (TG/DSC), zeta potential, and magnetite susceptibility measurements. The influence of calcination temperatures and reaction parameters was investigated. The calcined composites retain magnetism because the presence of montmorillonite inhibited the growth of γ-Fe2O3 nanoparticles, as well as their phase transition. The catalytic activities for phenol degradation were significantly enhanced by calcinations, which strengthen the interaction between iron oxides and aluminosilicate framework and result in more negatively charged surface. The composite (73 m2/g) calcined at 350 °C had the highest catalytic activities, with more than 99 % phenol reduction after only 35 min reaction at pH 3.6. Simultaneously, this catalyst exhibited high stability, low iron leaching, and magnetically separable ability for consecutive usage, making it promising for the removal of recalcitrant organic pollutants in wastewater.
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Affiliation(s)
- Mingjie Jin
- School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou, 450001, China
| | - Mingce Long
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China.
- Key Laboratory for Thin Film and Microfabrication of the Ministry of Education, Shanghai Jiao Tong University, 800 Dong Chuan Road, Shanghai, 200240, China.
| | - Hanrui Su
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Yue Pan
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Qiuzhuo Zhang
- School of Ecological and Environmental Sciences, East China Normal University, Shanghai, 200241, China
| | - Juan Wang
- School of Ecological and Environmental Sciences, East China Normal University, Shanghai, 200241, China
| | - Baoxue Zhou
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
- Key Laboratory for Thin Film and Microfabrication of the Ministry of Education, Shanghai Jiao Tong University, 800 Dong Chuan Road, Shanghai, 200240, China
| | - Yanwu Zhang
- School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou, 450001, China.
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16
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Wang X, Tu M, Tian B, Yi Y, Wei Z, Wei F. Synthesis of tumor-targeted folate conjugated fluorescent magnetic albumin nanoparticles for enhanced intracellular dual-modal imaging into human brain tumor cells. Anal Biochem 2016; 512:8-17. [PMID: 27523645 DOI: 10.1016/j.ab.2016.08.010] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Revised: 07/29/2016] [Accepted: 08/09/2016] [Indexed: 12/19/2022]
Abstract
Superparamagnetic iron oxide nanoparticles (SPIO NPs), utilized as carriers are attractive materials widely applied in biomedical fields, but target-specific SPIO NPs with lower toxicity and excellent biocompatibility are still lacking for intracellular visualization in human brain tumor diagnosis and therapy. Herein, bovine serum albumin (BSA) coated superparamagnetic iron oxide, i.e. γ-Fe2O3 nanoparticles (BSA-SPIO NPs), are synthesized. Tumor-specific ligand folic acid (FA) is then conjugated onto BSA-SPIO NPs to fabricate tumor-targeted NPs, FA-BSA-SPIO NPs as a contrast agent for MRI imaging. The FA-BSA-SPIO NPs are also labeled with fluorescein isothiocyanate (FITC) for intracellular visualization after cellular uptake and internalization by glioma U251 cells. The biological effects of the FA-BSA-SPIO NPs are investigated in human brain tumor U251 cells in detail. These results show that the prepared FA-BSA-SPIO NPs display undetectable cytotoxicity, excellent biocompatibility, and potent cellular uptake. Moreover, the study shows that the made FA-BSA-SPIO NPs are effectively internalized for MRI imaging and intracellular visualization after FITC labeling in the targeted U251 cells. Therefore, the present study demonstrates that the fabricated FITC-FA-BSA-SPIO NPs hold promising perspectives by providing a dual-modal imaging as non-toxic and target-specific vehicles in human brain tumor treatment in future.
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Affiliation(s)
- Xueqin Wang
- College of Bioengineering, Henan University of Technology, Zhengzhou, Henan 450001, PR China.
| | - Miaomiao Tu
- College of Bioengineering, Henan University of Technology, Zhengzhou, Henan 450001, PR China
| | - Baoming Tian
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan 450001, PR China
| | - Yanjie Yi
- College of Bioengineering, Henan University of Technology, Zhengzhou, Henan 450001, PR China
| | - ZhenZhen Wei
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan 450001, PR China
| | - Fang Wei
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan 450001, PR China.
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