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Murthy MK, Khandayataray P, Mohanty CS, Pattanayak R. Investigating the toxic mechanism of iron oxide nanoparticles-induced oxidative stress in tadpole (Duttaphrynus melanostictus): A combined biochemical and molecular study. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2024; 107:104432. [PMID: 38554986 DOI: 10.1016/j.etap.2024.104432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 12/09/2023] [Accepted: 03/26/2024] [Indexed: 04/02/2024]
Abstract
Metal oxide nanomaterials have toxicity towards aquatic organisms, especially microbes and invertebrates, but little is known about their impact on amphibians. We conducted a study on Duttaphrynus melanostictus (D. melanostictus) tadpoles to explore the chronic toxicity effects of iron oxide nanoparticles (IONPs) and the underlying mechanisms of IONPs-induced oxidative stress. IONPs exposure led to increased iron accumulation in the blood, liver, and kidneys of tadpoles, significantly affecting blood parameters and morphology. Higher IONPs concentrations (10 and 50 mg L-1) triggered reactive oxygen species generation, resulting in lipid peroxidation, oxidative stress, and pronounced toxicity in tadpoles. The activity levels of antioxidant enzymes/proteins (SOD, CAT, albumin, and lysozyme) decreased after IONPs exposure, and immunological measures in the blood serum were significantly reduced compared to the control group. Molecular docking analysis revealed that IONPs primarily attached to the surface of SOD/CAT/albumin/lysozyme through hydrogen bonding and hydrophobic forces. Overall, this study emphasizes the ability of IONPs to induce oxidative damage by decreasing immunological profiles such as ACH50 (34.58 ± 2.74 U mL-1), lysozyme (6.94 ± 0.82 U mL-1), total Ig (5.00 ± 0.35 g dL-1), total protein (1.20 ± 0.17 g dL-1), albumin (0.52 ± 0.01 g dL-1) and globulin (0.96 ± 0.01 g dL-1) and sheds light on their potential toxic effects on tadpoles.
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Affiliation(s)
- Meesala Krishna Murthy
- Department of Allied Health Sciences, Chitkara School of Health Sciences, Chitkara University, Punjab 140401, India; Department of Zoology, College of Basic Science and Humanities, Odisha University of Agriculture and Technology, Bhubaneswar, Odisha 751003, India
| | - Pratima Khandayataray
- Department of Biotechnology, Academy of Management and Information Technology, Utkal University, Bhubaneswar, Odisha 752057, India
| | - Chandra Sekhar Mohanty
- Plant Genetic Resources and Improvement Division, CSIR-National Botanical Research Institute, Lucknow, Uttar Pradesh 226001, India
| | - Rojalin Pattanayak
- Department of Zoology, College of Basic Science and Humanities, Odisha University of Agriculture and Technology, Bhubaneswar, Odisha 751003, India.
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2
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Singh R, Kumawat M, Gogoi H, Madhyastha H, Lichtfouse E, Daima HK. Engineered Nanomaterials for Immunomodulation: A Review. ACS APPLIED BIO MATERIALS 2024; 7:727-751. [PMID: 38166376 DOI: 10.1021/acsabm.3c00940] [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] [Indexed: 01/04/2024]
Abstract
The immune system usually provides a defense against invading pathogenic microorganisms and any other particulate contaminants. Nonetheless, it has been recently reported that nanomaterials can evade the immune system and modulate immunological responses due to their unique physicochemical characteristics. Consequently, nanomaterial-based activation of immune components, i.e., neutrophils, macrophages, and other effector cells, may induce inflammation and alter the immune response. Here, it is essential to distinguish the acute and chronic modulations triggered by nanomaterials to determine the possible risks to human health. Nanomaterials size, shape, composition, surface charge, and deformability are factors controlling their uptake by immune cells and the resulting immune responses. The exterior corona of molecules adsorbed over nanomaterials surfaces also influences their immunological effects. Here, we review current nanoengineering trends for targeted immunomodulation with an emphasis on the design, safety, and potential toxicity of nanomaterials. First, we describe the characteristics of engineered nanomaterials that trigger immune responses. Then, the biocompatibility and immunotoxicity of nanoengineered particles are debated, because these factors influence applications. Finally, future nanomaterial developments in terms of surface modifications, synergistic approaches, and biomimetics are discussed.
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Affiliation(s)
| | - Mamta Kumawat
- Department of Biotechnology, School of Sciences, JECRC University, Sitapura Extension, Jaipur 303905, Rajasthan, India
| | - Himanshu Gogoi
- Translational Health Science and Technology Institute, NCR Biotech Science Cluster, Faridabad 121001, India
| | - Harishkumar Madhyastha
- Department of Cardiovascular Physiology, University of Miyazaki, Miyazaki 8891692, Japan
| | - Eric Lichtfouse
- State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University Xi'an, Shaanxi 710049, China
| | - Hemant Kumar Daima
- Department of Biochemistry, School of Life Sciences, Central University of Rajasthan, Bandarsindari 305817, Ajmer, India
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3
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Arnosa-Prieto Á, Diaz-Rodriguez P, González-Gómez MA, García-Acevedo P, de Castro-Alves L, Piñeiro Y, Rivas J. Magnetic-driven Interleukin-4 internalization promotes magnetic nanoparticle morphology and size-dependent macrophage polarization. J Colloid Interface Sci 2024; 655:286-295. [PMID: 37944376 DOI: 10.1016/j.jcis.2023.11.004] [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: 05/26/2023] [Revised: 10/27/2023] [Accepted: 11/01/2023] [Indexed: 11/12/2023]
Abstract
Macrophages are known to depict two major phenotypes: classically activated macrophages (M1), associated with high production of pro-inflammatory cytokines, and alternatively activated macrophages (M2), which present an anti-inflammatory function. A precise control over M1-M2 polarization is a promising strategy in therapeutics to modulate both tissue regeneration and tumor progression processes. However, this is not a simple task as macrophages behave differently depending on the microenvironment. In agreement with this, non-consistent data have been reported regarding macrophages response to magnetic iron oxide nanoparticles (MNPs). To investigate the impact of both tissue microenvironment and MNPs properties on the obtained macrophage responses, single-core (SC) and multi-core (MC) citrate coated MNPs, are synthesized and, afterwards, loaded with a macrophage polarization trigger, IL-4. The developed MNPs are then tested in macrophages subjected to different stimuli. We demonstrate that macrophages treated with low concentrations of MNPs behave differently depending on the polarization stage independently of the concentration of iron. Moreover, we find out that MNPs size and morphology determines the effect of the IL-4 loaded MNPs on M1 macrophages, since IL-4 loaded SC MNPs favor the polarization of M1 macrophages towards M2 phenotype, while IL-4 loaded MC MNPs further stimulate the secretion of pro-inflammatory cytokines.
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Affiliation(s)
- Ángela Arnosa-Prieto
- NANOMAG Laboratory, Applied Physics Department, Materials Institute (iMATUS) and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, Santiago de Compostela 15706, Spain.
| | - Patricia Diaz-Rodriguez
- Departamento de Farmacología, Farmacia y Tecnología Farmacéutica, Grupo I+D Farma (GI-1645), Instituto de Materiales (iMATUS), Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, Santiago de Compostela 15782, Spain.
| | - Manuel A González-Gómez
- NANOMAG Laboratory, Applied Physics Department, Materials Institute (iMATUS) and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, Santiago de Compostela 15706, Spain
| | - Pelayo García-Acevedo
- NANOMAG Laboratory, Applied Physics Department, Materials Institute (iMATUS) and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, Santiago de Compostela 15706, Spain
| | - Lisandra de Castro-Alves
- NANOMAG Laboratory, Applied Physics Department, Materials Institute (iMATUS) and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, Santiago de Compostela 15706, Spain
| | - Yolanda Piñeiro
- NANOMAG Laboratory, Applied Physics Department, Materials Institute (iMATUS) and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, Santiago de Compostela 15706, Spain
| | - José Rivas
- NANOMAG Laboratory, Applied Physics Department, Materials Institute (iMATUS) and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, Santiago de Compostela 15706, Spain
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4
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Sangeetha Vijayan P, Xavier J, Valappil MP. A review of immune modulators and immunotherapy in infectious diseases. Mol Cell Biochem 2023:10.1007/s11010-023-04825-w. [PMID: 37682390 DOI: 10.1007/s11010-023-04825-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 08/05/2023] [Indexed: 09/09/2023]
Abstract
The human immune system responds to harmful foreign invaders frequently encountered by the body and employs defense mechanisms to counteract such assaults. Various exogenous and endogenous factors play a prominent role in maintaining the balanced functioning of the immune system, which can result in immune suppression or immune stimulation. With the advent of different immune-modulatory agents, immune responses can be modulated or regulated to control infections and other health effects. Literature provides evidence on various immunomodulators from different sources and their role in modulating immune responses. Due to the limited efficacy of current drugs and the rise in drug resistance, there is a growing need for new therapies for infectious diseases. In this review, we aim to provide a comprehensive overview of different immune-modulating agents and immune therapies specifically focused on viral infectious diseases.
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Affiliation(s)
- P Sangeetha Vijayan
- Toxicology Division, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology [Govt. of India], Thiruvananthapuram, 695 012, Kerala, India
| | - Joseph Xavier
- Toxicology Division, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology [Govt. of India], Thiruvananthapuram, 695 012, Kerala, India
| | - Mohanan Parayanthala Valappil
- Toxicology Division, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology [Govt. of India], Thiruvananthapuram, 695 012, Kerala, India.
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5
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Saafane A, Girard D. Interaction between iron oxide nanoparticles (IONs) and primary human immune cells: An up-to-date review of the literature. Toxicol In Vitro 2023:105635. [PMID: 37356554 DOI: 10.1016/j.tiv.2023.105635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 04/19/2023] [Accepted: 06/22/2023] [Indexed: 06/27/2023]
Abstract
Nanotechnology has been gaining more and more momentum lately and the potential use of nanomaterials such as nanoparticles (NPs) continues to grow in a variety of activity sectors. Among the NPs, iron oxide nanoparticles (IONs) have retained an increasing interest from the scientific community and industrials due to their superparamagnetic properties allowing their use in many fields, including medicine. However, some undesired effects of IONs and potential risk for human health are becoming increasingly reported in several studies. Although many in vivo studies reported that IONs induce immunotoxicity in different animal models, it is not clear how IONs can alter the biology of primary human immune cells. In this article, we will review the works that have been done regarding the interaction between IONs and primary immune cells. This review also outlines the importance of using primary immune cells in risk assessment of NPs as a reliable strategy for encouraging non-animal studies approaches, to determine risks that might affect the human immune system following different exposure scenarios. Taken all together, the reported observations help to get a more global picture on how IONs alter the human immune system especially the fact that inflammation, known to involve several immune cell types, is frequently reported as an undesired effect of IONs.
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Affiliation(s)
- Abdelaziz Saafane
- Laboratoire de Recherche en Inflammation et Physiologie des Granulocytes, Université du Québec, Institut National de la Recherche Scientifique (INRS)-Centre Armand-Frappier Santé Biotechnologie, Laval, Québec, Canada
| | - Denis Girard
- Laboratoire de Recherche en Inflammation et Physiologie des Granulocytes, Université du Québec, Institut National de la Recherche Scientifique (INRS)-Centre Armand-Frappier Santé Biotechnologie, Laval, Québec, Canada.
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6
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Beltran-Huarac J, Yamaleyeva DN, Dotti G, Hingtgen S, Sokolsky-Papkov M, Kabanov AV. Magnetic Control of Protein Expression via Magneto-mechanical Actuation of ND-PEGylated Iron Oxide Nanocubes for Cell Therapy. ACS APPLIED MATERIALS & INTERFACES 2023; 15:19877-19891. [PMID: 37040569 PMCID: PMC10143622 DOI: 10.1021/acsami.3c00179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 04/05/2023] [Indexed: 05/03/2023]
Abstract
Engineered cells used as smart vehicles for delivery of secreted therapeutic proteins enable effective treatment of cancer and certain degenerative, autoimmune, and genetic disorders. However, current cell-based therapies use mostly invasive tools for tracking proteins and do not allow for controlled secretion of therapeutic proteins, which could result in unconstrained killing of surrounding healthy tissues or ineffective killing of host cancer cells. Regulating the expression of therapeutic proteins after success of therapy remains elusive. In this study, a noninvasive therapeutic approach mediated by magneto-mechanical actuation (MMA) was developed to remotely regulate the expression of the tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) protein, which is secreted by transduced cells. Stem cells, macrophages, and breast cancer cells were transduced with a lentiviral vector encoding the SGpL2TR protein. SGpL2TR comprises TRAIL and GpLuc domains optimized for cell-based applications. Our approach relies on the remote actuation of cubic-shape highly magnetic field responsive superparamagnetic iron oxide nanoparticles (SPIONs) coated with nitrodopamine PEG (ND-PEG), which are internalized within the cells. Cubic ND-PEG-SPIONs actuated by superlow frequency alternating current magnetic fields can translate magnetic forces into mechanical motion and in turn spur mechanosensitive cellular responses. Cubic ND-PEG-SPIONs were artificially designed to effectively operate at low magnetic field strengths (<100 mT) retaining approximately 60% of their saturation magnetization. Compared to other cells, stems cells were more sensitive to the interaction with actuated cubic ND-PEG-SPIONs, which clustered near the endoplasmic reticulum (ER). Luciferase, ELISA, and RT-qPCR analyses revealed a marked TRAIL downregulation (secretion levels were depleted down to 30%) when intracellular particles at 0.100 mg/mL Fe were actuated by magnetic fields (65 mT and 50 Hz for 30 min). Western blot studies indicated actuated, intracellular cubic ND-PEG-SPIONs can cause mild ER stress at short periods (up to 3 h) of postmagnetic field treatment thus leading to the unfolded protein response. We observed that the interaction of TRAIL polypeptides with ND-PEG can also contribute to this response. To prove the applicability of our approach, we used glioblastoma cells, which were exposed to TRAIL secreted from stem cells. We demonstrated that in the absence of MMA treatment, TRAIL essentially killed glioblastoma cells indiscriminately, but when treated with MMA, we were able to control the cell killing rate by adjusting the magnetic doses. This approach can expand the capabilities of stem cells to serve as smart vehicles for delivery of therapeutic proteins in a controlled manner without using interfering and expensive drugs, while retaining their potential to regenerate damaged tissue after treatment. This approach brings forth new alternatives to regulate protein expression noninvasively for cell therapy and other cancer therapies.
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Affiliation(s)
- Juan Beltran-Huarac
- Center
for Nanotechnology in Drug Delivery and Division of Pharmacoengineering
and Molecular Therapeutics, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina 27599, United States
- Department
of Physics, Howell Science Complex, East
Carolina University, Greenville, North Carolina 27858, United States
| | - Dina N. Yamaleyeva
- Joint
UNC/NC State Department of Biomedical Engineering, University of North Carolina, Chapel Hill, North Carolina 27599, United States
| | - Gianpietro Dotti
- Lineberger
Comprehensive Cancer Center and Department of Microbiology and Immunology, University of North Carolina, Chapel Hill, North Carolina 27599, United States
| | - Shawn Hingtgen
- Division
of Pharmacoengineering and Molecular Therapeutics, Eshelman School
of Pharmacy, University of North Carolina, Chapel Hill, North Carolina 27599, United States
| | - Marina Sokolsky-Papkov
- Center
for Nanotechnology in Drug Delivery and Division of Pharmacoengineering
and Molecular Therapeutics, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina 27599, United States
| | - Alexander V. Kabanov
- Center
for Nanotechnology in Drug Delivery and Division of Pharmacoengineering
and Molecular Therapeutics, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina 27599, United States
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7
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Lytvyn S, Vazhnichaya E, Kurapov Y, Semaka O, Babijchuk L, Zubov P. Cytotoxicity of magnetite nanoparticles deposited in sodium chloride matrix and their functionalized analogues in erythrocytes. OPENNANO 2023. [DOI: 10.1016/j.onano.2023.100143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2023]
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8
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Salman A, Lupi S, Vaccari L, Piccirilli F, Eid MM. FTIR microscopy evaluation of the immunogenicity of eco-friendly γFe 2O 3@Ag@Cs nanocomposite as a platform for the discovery and screening of vaccine adjuvants. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 287:122087. [PMID: 36417818 DOI: 10.1016/j.saa.2022.122087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Revised: 10/23/2022] [Accepted: 11/05/2022] [Indexed: 06/16/2023]
Abstract
Core-shell nanoparticles have been extensively researched, particularly as multimodal for medical applications. Scientists are interested in combining the optical properties of nano-plasmonic nanoparticles with the magnetic properties of super-paramagnetic nanoparticles. This combination is very important because it reduces metal toxicity and improves nanoparticle targeting. Tuning the shape and size of the nanoparticles significantly reflects their properties and applications. In previous study, we assessed the SPION@Ag@chitosan core-shell nanocomposite (γFe2O3@Ag@Cs NCs) toxicity both in vitro and preclinically in vivo, using traditional toxicological assessment and biochemical parameters. The results showed that up to100 ug/kg is a safe NP dose as evaluated by pathological and biochemical parameters. The aim of the present study was to gain insight into the effect of γFe2O3@Ag@Cs NC at sub-cytotoxic concentrations (100ug/ml) on the biochemical profile of immune organs (inguinal, axillary, spleen and thymus) by combining the investigation of cytokine secretion to ex vivo FTIR spectroscopy. The four immune organs were treated with 100 ug/kg NC and the time dependence of the effects produced by the treatment was analyzed. The Data shows that the used core-shell NC with the indicate dose have a stimulatory effect on the immune system, as evidenced by an increase in antibody secretion (IgG and IgM), lipid, nucleic acid, and protein synthesis after uptake time which depends on the specific immune organ.
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Affiliation(s)
- Asmaa Salman
- Pharmaceutical Industry Research Division, National Research Center, Dokki, Giza 12622, Egypt
| | - Stefano Lupi
- Dipartimento di Fisica, Sapienza Università di Roma, Rome, Italy; CNR-IOM, Trieste, Italy
| | - Lisa Vaccari
- CNR-IOM, Trieste, Italy; Elettra Sincrotrone Trieste, Trieste, Italy
| | | | - May M Eid
- Physics Division, National Research Center, Dokki, Giza 12622, Egypt.
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9
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Effects of Magnetic Nanoparticles on the Functional Activity of Human Monocytes and Dendritic Cells. Int J Mol Sci 2023; 24:ijms24021358. [PMID: 36674876 PMCID: PMC9864373 DOI: 10.3390/ijms24021358] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 12/23/2022] [Accepted: 01/04/2023] [Indexed: 01/13/2023] Open
Abstract
The use of nanoparticles in medicine is sometimes hampered by their potential to activate immune cells, eliciting inflammation or allergy. We investigated whether magnetic nanoparticles (MNPs) or biomimetic magnetic nanoparticles (BMNPs) affect relevant activities of human monocytes. We found that the nanoparticles neither elicited the production of pro-inflammatory mediators IL-6 and TNFα by resting monocytes (when BMNP dose < 300 μg/mL) nor enhanced their secretion induced by R848, a molecule engaging virus-recognizing receptors, or bacterial lipopolysaccharide (LPS). MNPs and BMNPs neither induced the generation of reactive oxygen species (ROS), nor affected the ROS production elicited by the NADPH oxidase activator phorbol myristate acetate (PMA) or the fungal derivative β-glucan. BMNPs, but not MNPs, caused an up-regulation of the maturation markers CD80, CD83, and CD86 in immature monocyte-derived dendritic cells (DCs), whereas both nanoparticles did not affect the LPS-induced expression of these markers. Moreover, the nanoparticles were greedily ingested by monocytes and DCs without altering their viability. Therefore, these nanoparticles are candidates for medical applications because they do not activate pro-inflammatory activities of monocytes. Furthermore, their ability to stimulate DC maturation could be used for the design of vaccines. Moreover, harmlessly engulfed nanoparticles could be vehicles to carry molecules inside the immune cells to regulate the immune response.
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10
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Zhao K, Ruan L, Liu X, Wu L, Cao J, Shen S. Iron oxide nanoparticles served as the primary carrier to increase drug loading in macrophages. Biomed Mater 2022; 18. [PMID: 36541487 DOI: 10.1088/1748-605x/aca736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 11/28/2022] [Indexed: 12/05/2022]
Abstract
The specific chemotaxis of macrophages to inflammatory site makes them good candidate for inflammation drug delivery. However, the loading capacity of free drug is low. The goal of the manuscript is to enhance the loading capacity by encapsulating drug onto iron oxide nanoparticles (IONPs) and investigate the size effect on the cellular uptake. IONPs with different sizes (10 nm, 70 nm, and 200 nm) were synthesized. The loading capacities of model drug protoporphyrin IX (PPIX) on different sized IONPs were studied, showing similar loading capacity. However, the cellular internalization of PPIX loaded IONPs (Fe3O4-PPIX) was quite different. 70 nm IONPs indicated maximum uptake by the macrophages. The results also demonstrate that the IONPs could significantly improve the loading capacity when compared with free drug. All the three sized nanoparticles demonstrated minimal effects on cellular viability and would not induce the polarization of macrophages. This study not only provides an efficient method to increase the drug loading capacity in macrophages, but also indicates the optimal size of nanoparticles for cellular uptake.
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Affiliation(s)
- Kai Zhao
- Affiliated Hospital of Jiangsu University, Zhenjiang 212001, People's Republic of China.,School of Pharmaceutical Science, Jiangsu University, Zhenjiang 212013, People's Republic of China
| | - Li Ruan
- Affiliated Hospital of Jiangsu University, Zhenjiang 212001, People's Republic of China.,School of Pharmaceutical Science, Jiangsu University, Zhenjiang 212013, People's Republic of China
| | - Xuexue Liu
- Affiliated Hospital of Jiangsu University, Zhenjiang 212001, People's Republic of China.,School of Pharmaceutical Science, Jiangsu University, Zhenjiang 212013, People's Republic of China
| | - Lin Wu
- Affiliated Hospital of Jiangsu University, Zhenjiang 212001, People's Republic of China
| | - Jin Cao
- School of Pharmaceutical Science, Jiangsu University, Zhenjiang 212013, People's Republic of China
| | - Song Shen
- School of Pharmaceutical Science, Jiangsu University, Zhenjiang 212013, People's Republic of China
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11
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Sadegha S, Varshochian R, Dadras P, Hosseinzadeh H, Sakhtianchi R, Mirzaie ZH, Shafiee A, Atyabi F, Dinarvand R. Mesoporous silica coated SPIONs containing curcumin and silymarin intended for breast cancer therapy. Daru 2022; 30:331-341. [PMID: 36197594 PMCID: PMC9715905 DOI: 10.1007/s40199-022-00453-9] [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: 01/27/2022] [Accepted: 09/21/2022] [Indexed: 12/04/2022] Open
Abstract
INTRODUCTION Super-paramagnetic iron oxide nanoparticles (SPIONs) are known as promising theranostic nano-drug carriers with magnetic resonance imaging (MRI) properties. Applying the herbaceous components with cytotoxic effects as cargos can suggest a new approach in the field of cancer-therapy. In this study mesoporous silica coated SPIONs (mSiO2@SPIONs) containing curcumin (CUR) and silymarin (SIL) were prepared and evaluated on breast cancer cell line, MCF-7. METHODS Nanoparticles (NPs) were formulated by reverse microemulsion method and characterized by DLS, SEM and VSM. The in vitro drug release, cellular cytotoxicity, and MRI properties of NPs were determined as well. The cellular uptake of NPs by MCF-7 cells was investigated through LysoTracker Red staining using confocal microscopy. RESULTS The MTT results showed that the IC50 of CUR + SIL loaded mSiO2@SPIONs was reduced about 50% in comparison with that of the free drug mixture. The NPs indicated proper MRI features and cellular uptake through endocytosis. CONCLUSION In conclusion the prepared formulation may offer a novel theranostic system for breast cancer researches.
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Affiliation(s)
- Soosan Sadegha
- Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Reyhaneh Varshochian
- Nanotechnology Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
- Department of Pharmaceutics, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Pegah Dadras
- Trita Nanomedicine Research Center (TNRC), Trita Third Millennium Pharmaceuticals, Zanjan, Iran
| | - Hosniyeh Hosseinzadeh
- Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Ramin Sakhtianchi
- Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Zahra Hadavand Mirzaie
- Nanotechnology Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Akram Shafiee
- Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Fatemeh Atyabi
- Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
- Nanotechnology Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Rassoul Dinarvand
- Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran.
- Nanotechnology Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran.
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12
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Si Y, Liu H, Yu H, Jiang X, Sun D. MOF-derived CuO@ZnO modified titanium implant for synergistic antibacterial ability, osteogenesis and angiogenesis. Colloids Surf B Biointerfaces 2022; 219:112840. [PMID: 36113223 DOI: 10.1016/j.colsurfb.2022.112840] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 08/27/2022] [Accepted: 09/10/2022] [Indexed: 12/17/2022]
Abstract
Surface modification of titanium implants with antibacterial, osteogenic and even angiogenic capabilities are essential to enhance their clinical applicability. Herein, metal-organic framework (MOF) derived CuO@ZnO composite was grafted onto the polydopamine (PDA) modified titanium alloy to achieve vascularized bone regeneration. The CuO@ZnO-coated titanium effectively inhibits the formation of bacterial biofilms and the sterilization rate of Staphylococcus aureus (S. aureus) reaches 99%. Benefitting from the intrinsic porous architecture of MOFs, the Zn2+ and Cu2+ could be controllably released to facilitate the production of excess intracellular reactive oxygen species (ROS) inside the bacteria, which ensures the excellent antibacterial performance of the composite coating. The CuO@ZnO-coated titanium also exhibits good cytocompatibility, effectively promotes the adhesion and proliferation of the human bone marrow mesenchymal stem cells (hBMSCs) and reduces the level of the cell apoptosis. The up-regulated expression of the osteogenesis-related genes and the superior extracellular matrix mineralization reveals that the CuO@ZnO coating possesses fantastic osteoinductive properties. In addition, the transwell and tube formation assays of the human umbilical vein endothelial cells (HUVECs) suggest the superior angiogenesis ability of the CuO@ZnO-coated titanium. The released Cu2+ stimulated the angiogenesis of the HUVECs in vitro by up-regulating the expression of the vascular endothelial growth factor (VEGF). These findings will provide new insight into the development of multifunctional titanium implants for clinical applications.
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Affiliation(s)
- Yunhui Si
- School of Materials, Sun Yat-Sen University, Shenzhen 518107, PR China
| | - Huanyao Liu
- Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, Guangzhou 510080, PR China
| | - Hongying Yu
- School of Materials, Sun Yat-Sen University, Shenzhen 518107, PR China; Innovation Group of Marine Engineering Materials and Corrosion Control, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519082, PR China.
| | - Xuzhou Jiang
- School of Materials Science and Engineering, Sun Yat-Sen University, Guangzhou 510006, PR China; Nanotechnology Research Center, Sun Yat-sen University, Guangzhou 510275, PR China.
| | - Dongbai Sun
- School of Materials Science and Engineering, Sun Yat-Sen University, Guangzhou 510006, PR China; National Center for Materials Service Safety, University of Science and Technology Beijing, Beijing 100083, PR China; Innovation Group of Marine Engineering Materials and Corrosion Control, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519082, PR China.
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13
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Saafane A, Girard D. Interaction between iron oxide nanoparticles (Fe 3O 4 NPs) and human neutrophils: Evidence that Fe 3O 4 NPs possess some pro-inflammatory activities. Chem Biol Interact 2022; 365:110053. [PMID: 35872045 DOI: 10.1016/j.cbi.2022.110053] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 07/12/2022] [Accepted: 07/13/2022] [Indexed: 11/03/2022]
Abstract
Iron oxide nanoparticles (Fe3O4 NPs) are important for different medical applications. However, potential toxicity has been reported and several parameters must still be studied to reach highest therapeutic efficacy with minimal undesired effects. Inflammation is one of the most reported undesired effects of NP exposure in a variety of inflammatory models and conflicting data exist regarding whether Fe3O4 NPs possess pro- or anti-inflammatory activities. The aim of this study was to determine the direct effect of Fe3O4 NPs on the biology of neutrophil, a key player cell in inflammation. Freshly isolated human neutrophils were incubated in vitro with Fe3O4 NPs, and several functions have been studied. Using transmission electronic microscopy, Fe3O4 NPs were found to be ingested by neutrophils. These NPs do not induce a respiratory burst by themselves, but they increase the ability of neutrophils to adhere onto human endothelial cells as well as enhance phagocytosis. An antibody array approach revealed that Fe3O4 NPs induce the production of some cytokines, including the chemokine IL-8 (CXCL8), which was confirmed by ELISA. Fe3O4NPs were found to delay spontaneous neutrophil apoptosis regardless of sex of the donor. Using a pharmacological approach, we demonstrate that Fe3O4 NPs delay apoptosis by a de novo protein synthesis-dependent mechanism and via different cell signalling pathways. The data indicate that Fe3O4 NPs can alter the biology of human neutrophils and that they possess some pro-inflammatory effects, particularly based on their capacity to delay apoptosis and to induce the production of pro-inflammatory cytokines. Therefore, Fe3O4 NPs can regulate inflammation by targeting human neutrophil functions.
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Affiliation(s)
- Abdelaziz Saafane
- Laboratoire de Recherche en Inflammation et Physiologie des Granulocytes, Université Du Québec, INRS-Centre Armand-Frappier Santé Biotechnologie, Laval, Québec, Canada
| | - Denis Girard
- Laboratoire de Recherche en Inflammation et Physiologie des Granulocytes, Université Du Québec, INRS-Centre Armand-Frappier Santé Biotechnologie, Laval, Québec, Canada.
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14
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Silver and Copper Nanoparticles Induce Oxidative Stress in Bacteria and Mammalian Cells. NANOMATERIALS 2022; 12:nano12142402. [PMID: 35889626 PMCID: PMC9319685 DOI: 10.3390/nano12142402] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 07/08/2022] [Accepted: 07/12/2022] [Indexed: 11/16/2022]
Abstract
Silver and copper nanoparticles (AgNPs and CuNPs) coated with stabilizing moieties induce oxidative stress in both bacteria and mammalian cells. Effective antibacterial agents that can overcome existing mechanisms of antibacterial resistance will greatly improve biomedical interventions. In this study, we analyzed the effect of nanoparticle-induced stress. Escherichia coli and normal human bronchial epithelial (BEAS-2B) cells were selected for this study. The nanoparticle constructs tested showed low toxicity to mammalian cells except for the polyvinylpyrrolidone-surface-stabilized copper nanoparticles. In fact, both types of copper nanoparticles used in this study induced higher levels of reactive oxygen species than the surface-stabilized silver nanoparticles. In contrast to mammalian cells, the surface-stabilized silver and copper nanoparticles showed varying levels of toxicity to bacteria cells. These data are expected to aid in bridging the knowledge gap in differential toxicities of silver and copper nanoparticles against bacteria and mammalian cells and will also improve infection interventions.
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15
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Al-Zoubi MS, Al-Zoubi RM. Nanomedicine Tactics in Cancer Treatment: Challenge and Hope. Crit Rev Oncol Hematol 2022; 174:103677. [DOI: 10.1016/j.critrevonc.2022.103677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 03/31/2022] [Accepted: 03/31/2022] [Indexed: 10/18/2022] Open
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16
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Segers FME, Ruder AV, Westra MM, Lammers T, Dadfar SM, Roemhild K, Lam TS, Kooi ME, Cleutjens KBJM, Verheyen FK, Schurink GWH, Haenen GR, van Berkel TJC, Bot I, Halvorsen B, Sluimer JC, Biessen EAL. Magnetic resonance imaging contrast-enhancement with superparamagnetic iron oxide nanoparticles amplifies macrophage foam cell apoptosis in human and murine atherosclerosis. Cardiovasc Res 2022; 118:3346-3359. [PMID: 35325057 PMCID: PMC9847560 DOI: 10.1093/cvr/cvac032] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Revised: 01/28/2022] [Accepted: 02/23/2022] [Indexed: 01/25/2023] Open
Abstract
AIMS (Ultra) Small superparamagnetic iron oxide nanoparticles, (U)SPIO, are widely used as magnetic resonance imaging contrast media and assumed to be safe for clinical applications in cardiovascular disease. As safety tests largely relied on normolipidaemic models, not fully representative of the clinical setting, we investigated the impact of (U)SPIOs on disease-relevant endpoints in hyperlipidaemic models of atherosclerosis. METHODS AND RESULTS RAW264.7 foam cells, exposed in vitro to ferumoxide (dextran-coated SPIO), ferumoxtran (dextran-coated USPIO), or ferumoxytol [carboxymethyl (CM) dextran-coated USPIO] (all 1 mg Fe/mL) showed increased apoptosis and reactive oxygen species accumulation for ferumoxide and ferumoxtran, whereas ferumoxytol was tolerated well. Pro-apoptotic (TUNEL+) and pro-oxidant activity of ferumoxide (0.3 mg Fe/kg) and ferumoxtran (1 mg Fe/kg) were confirmed in plaque, spleen, and liver of hyperlipidaemic ApoE-/- (n = 9/group) and LDLR-/- (n = 9-16/group) mice that had received single IV injections compared with saline-treated controls. Again, ferumoxytol treatment (1 mg Fe/kg) failed to induce apoptosis or oxidative stress in these tissues. Concomitant antioxidant treatment (EUK-8/EUK-134) largely prevented these effects in vitro (-68%, P < 0.05) and in plaques from LDLR-/- mice (-60%, P < 0.001, n = 8/group). Repeated ferumoxtran injections of LDLR-/- mice with pre-existing atherosclerosis enhanced plaque inflammation and apoptosis but did not alter plaque size. Strikingly, carotid artery plaques of endarterectomy patients who received ferumoxtran (2.6 mg Fe/kg) before surgery (n = 9) also showed five-fold increased apoptosis (18.2 vs. 3.7%, respectively; P = 0.004) compared with controls who did not receive ferumoxtran. Mechanistically, neither coating nor particle size seemed accountable for the observed cytotoxicity of ferumoxide and ferumoxtran. CONCLUSIONS Ferumoxide and ferumoxtran, but not ferumoxytol, induced apoptosis of lipid-laden macrophages in human and murine atherosclerosis, potentially impacting disease progression in patients with advanced atherosclerosis.
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Affiliation(s)
- Filip M E Segers
- Division of BioTherapeutics, Leiden Academic Centre for Drug Research, Leiden, The Netherlands,Faculty of Medicine, Research Institute of Internal Medicine, University Hospital Oslo, Oslo, Norway
| | - Adele V Ruder
- Department of Pathology, CARIM School for Cardiovascular Sciences, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Marijke M Westra
- Division of BioTherapeutics, Leiden Academic Centre for Drug Research, Leiden, The Netherlands
| | - Twan Lammers
- Department of Nanomedicine and Theranostics, RWTH Aachen University, Aachen, Germany
| | | | - Karolin Roemhild
- Department of Nanomedicine and Theranostics, RWTH Aachen University, Aachen, Germany,Institute of Pathology, RWTH Aachen University, Aachen, Germany
| | - Tin Sing Lam
- Division of BioTherapeutics, Leiden Academic Centre for Drug Research, Leiden, The Netherlands
| | - Marianne Eline Kooi
- Department of Radiology and Nuclear Medicine, CARIM School for Cardiovascular Sciences, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Kitty B J M Cleutjens
- Department of Pathology, CARIM School for Cardiovascular Sciences, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Fons K Verheyen
- Molecular Cell Biology and Electron Microscopy (CRISP), Maastricht University Medical Center, Maastricht, The Netherlands
| | - Geert W H Schurink
- Department of Surgery, CARIM School for Cardiovascular Sciences, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Guido R Haenen
- Department of Toxicology, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Theo J C van Berkel
- Division of BioTherapeutics, Leiden Academic Centre for Drug Research, Leiden, The Netherlands
| | - Ilze Bot
- Division of BioTherapeutics, Leiden Academic Centre for Drug Research, Leiden, The Netherlands
| | - Bente Halvorsen
- Faculty of Medicine, Research Institute of Internal Medicine, University Hospital Oslo, Oslo, Norway
| | - Judith C Sluimer
- Corresponding author. Tel: +31 43 3877675; Fax: +31 43 3874613, E-mail: (J.C.S.); E-mail: (E.A.L.B.)
| | - Erik A L Biessen
- Corresponding author. Tel: +31 43 3877675; Fax: +31 43 3874613, E-mail: (J.C.S.); E-mail: (E.A.L.B.)
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17
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Jain A, Wadhawan S, Mehta S. Biogenic synthesis of biocompatible L-lysine coated hematite NPs for seed germination. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2021.109169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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18
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Ji Z, Guo W, Wood EL, Liu J, Sakkiah S, Xu X, Patterson TA, Hong H. Machine Learning Models for Predicting Cytotoxicity of Nanomaterials. Chem Res Toxicol 2022; 35:125-139. [PMID: 35029374 DOI: 10.1021/acs.chemrestox.1c00310] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The wide application of nanomaterials in consumer and medical products has raised concerns about their potential adverse effects on human health. Thus, more and more biological assessments regarding the toxicity of nanomaterials have been performed. However, the different ways the evaluations were performed, such as the utilized assays, cell lines, and the differences of the produced nanoparticles, make it difficult for scientists to analyze and effectively compare toxicities of nanomaterials. Fortunately, machine learning has emerged as a powerful tool for the prediction of nanotoxicity based on the available data. Among different types of toxicity assessments, nanomaterial cytotoxicity was the focus here because of the high sensitivity of cytotoxicity assessment to different treatments without the need for complicated and time-consuming procedures. In this review, we summarized recent studies that focused on the development of machine learning models for prediction of cytotoxicity of nanomaterials. The goal was to provide insight into predicting potential nanomaterial toxicity and promoting the development of safe nanomaterials.
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Affiliation(s)
- Zuowei Ji
- National Center for Toxicological Research, United States Food and Drug Administration, Jefferson, Arkansas 72079, United States
| | - Wenjing Guo
- National Center for Toxicological Research, United States Food and Drug Administration, Jefferson, Arkansas 72079, United States
| | - Erin L Wood
- Office of Pharmaceutical Quality, Center for Drug Evaluation and Research, United States Food and Drug Administration, Silver Spring, Maryland 20993, United States
| | - Jie Liu
- National Center for Toxicological Research, United States Food and Drug Administration, Jefferson, Arkansas 72079, United States
| | - Sugunadevi Sakkiah
- National Center for Toxicological Research, United States Food and Drug Administration, Jefferson, Arkansas 72079, United States
| | - Xiaoming Xu
- Office of Testing and Research, Office of Pharmaceutical Quality, Center for Drug Evaluation and Research, United States Food and Drug Administration, Silver Spring, Maryland 20993, United States
| | - Tucker A Patterson
- National Center for Toxicological Research, United States Food and Drug Administration, Jefferson, Arkansas 72079, United States
| | - Huixiao Hong
- National Center for Toxicological Research, United States Food and Drug Administration, Jefferson, Arkansas 72079, United States
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19
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Godoy-Gallardo M, Eckhard U, Delgado LM, de Roo Puente YJ, Hoyos-Nogués M, Gil FJ, Perez RA. Antibacterial approaches in tissue engineering using metal ions and nanoparticles: From mechanisms to applications. Bioact Mater 2021; 6:4470-4490. [PMID: 34027235 PMCID: PMC8131399 DOI: 10.1016/j.bioactmat.2021.04.033] [Citation(s) in RCA: 196] [Impact Index Per Article: 65.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Revised: 04/02/2021] [Accepted: 04/20/2021] [Indexed: 02/07/2023] Open
Abstract
Bacterial infection of implanted scaffolds may have fatal consequences and, in combination with the emergence of multidrug bacterial resistance, the development of advanced antibacterial biomaterials and constructs is of great interest. Since decades ago, metals and their ions had been used to minimize bacterial infection risk and, more recently, metal-based nanomaterials, with improved antimicrobial properties, have been advocated as a novel and tunable alternative. A comprehensive review is provided on how metal ions and ion nanoparticles have the potential to decrease or eliminate unwanted bacteria. Antibacterial mechanisms such as oxidative stress induction, ion release and disruption of biomolecules are currently well accepted. However, the exact antimicrobial mechanisms of the discussed metal compounds remain poorly understood. The combination of different metal ions and surface decorations of nanoparticles will lead to synergistic effects and improved microbial killing, and allow to mitigate potential side effects to the host. Starting with a general overview of antibacterial mechanisms, we subsequently focus on specific metal ions such as silver, zinc, copper, iron and gold, and outline their distinct modes of action. Finally, we discuss the use of these metal ions and nanoparticles in tissue engineering to prevent implant failure.
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Affiliation(s)
- Maria Godoy-Gallardo
- Bioengineering Institute of Technology, Universitat Internacional de Catalunya, Carrer de Josep Trueta, 08195, del Vallès, Sant Cugat, Barcelona, Spain
| | - Ulrich Eckhard
- Proteolysis Lab, Department of Structural Biology, Molecular Biology Institute of Barcelona, CSIC, Barcelona Science Park, Baldiri Reixac 15-21, 08028, Barcelona, Spain
| | - Luis M. Delgado
- Bioengineering Institute of Technology, Universitat Internacional de Catalunya, Carrer de Josep Trueta, 08195, del Vallès, Sant Cugat, Barcelona, Spain
| | - Yolanda J.D. de Roo Puente
- Bioengineering Institute of Technology, Universitat Internacional de Catalunya, Carrer de Josep Trueta, 08195, del Vallès, Sant Cugat, Barcelona, Spain
| | - Mireia Hoyos-Nogués
- Bioengineering Institute of Technology, Universitat Internacional de Catalunya, Carrer de Josep Trueta, 08195, del Vallès, Sant Cugat, Barcelona, Spain
| | - F. Javier Gil
- Bioengineering Institute of Technology, Universitat Internacional de Catalunya, Carrer de Josep Trueta, 08195, del Vallès, Sant Cugat, Barcelona, Spain
| | - Roman A. Perez
- Bioengineering Institute of Technology, Universitat Internacional de Catalunya, Carrer de Josep Trueta, 08195, del Vallès, Sant Cugat, Barcelona, Spain
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20
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Della Camera G, Madej M, Ferretti AM, La Spina R, Li Y, Corteggio A, Heinzl T, Swartzwelter BJ, Sipos G, Gioria S, Ponti A, Boraschi D, Italiani P. Personalised Profiling of Innate Immune Memory Induced by Nano-Imaging Particles in Human Monocytes. Front Immunol 2021; 12:692165. [PMID: 34421901 PMCID: PMC8377278 DOI: 10.3389/fimmu.2021.692165] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 07/14/2021] [Indexed: 11/25/2022] Open
Abstract
Engineered nanoparticles used for medical purposes must meet stringent safety criteria, which include immunosafety, i.e., the inability to activate possibly detrimental immune/inflammatory effects. Even medical nanomaterials devoid of direct immunotoxic or inflammatory effects may have an impact on human health if able to modify innate memory, which is the ability to “prime” future immune responses towards a different, possibly more detrimental reactivity. Although innate memory is usually protective, anomalous innate memory responses may be at the basis of immune pathologies. In this study, we have examined the ability of two nanomaterials commonly used for diagnostic imaging purposes, gold and iron oxide nanoparticles, to induce or modulate innate memory, using an in vitro model based on human primary monocytes. Monocytes were exposed in culture to nanoparticles alone or together with the bacterial agent LPS (priming phase/primary response), then rested for six days (extinction phase), and eventually challenged with LPS (memory/secondary response). The memory response to the LPS challenge was measured as changes in the production of inflammatory (TNFα, IL-6) and anti-inflammatory cytokines (IL-10, IL-1Ra), as compared to unprimed monocytes. The results show that both types of nanoparticles can have an effect in the induction of memory, with changes observed in the cytokine production. By comparing nanomaterials of different shapes (spherical vs. rod-shaped gold particles) and different size (17 vs. 22 nm diameter spherical iron oxide particles), it was evident that innate memory could be differentially induced and modulated depending on size, shape and chemical composition. However, the main finding was that the innate memory effect of the particles was strongly donor-dependent, with monocytes from each donor showing a distinct memory profile upon priming with the same particles, thereby making impossible to draw general conclusions on the particle effects. Thus, in order to predict the effect of imaging nanoparticles on the innate memory of patients, a personalised profiling would be required, able to take in consideration the peculiarities of the individual innate immune reactivity.
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Affiliation(s)
- Giacomo Della Camera
- Institute of Biochemistry and Cell Biology (IBBC), National Research Council (CNR), Napoli, Italy
| | - Mariusz Madej
- Institute of Biochemistry and Cell Biology (IBBC), National Research Council (CNR), Napoli, Italy
| | - Anna Maria Ferretti
- Istituto di Scienze e Tecnologie Chimiche "Giulio Natta" (SCITEC), National Research Council (CNR), Milano, Italy
| | - Rita La Spina
- European Commission, Joint Research Centre (JRC), Ispra, Italy
| | - Yang Li
- Institute of Biochemistry and Cell Biology (IBBC), National Research Council (CNR), Napoli, Italy
| | - Annunziata Corteggio
- Institute of Biochemistry and Cell Biology (IBBC), National Research Council (CNR), Napoli, Italy
| | - Tommaso Heinzl
- Institute of Biochemistry and Cell Biology (IBBC), National Research Council (CNR), Napoli, Italy
| | - Benjamin J Swartzwelter
- Institute of Biochemistry and Cell Biology (IBBC), National Research Council (CNR), Napoli, Italy
| | - Gergö Sipos
- Institute of Biochemistry and Cell Biology (IBBC), National Research Council (CNR), Napoli, Italy
| | - Sabrina Gioria
- European Commission, Joint Research Centre (JRC), Ispra, Italy
| | - Alessandro Ponti
- Istituto di Scienze e Tecnologie Chimiche "Giulio Natta" (SCITEC), National Research Council (CNR), Milano, Italy
| | - Diana Boraschi
- Institute of Biochemistry and Cell Biology (IBBC), National Research Council (CNR), Napoli, Italy.,Stazione Zoologica Anton Dohrn, Napoli, Italy
| | - Paola Italiani
- Institute of Biochemistry and Cell Biology (IBBC), National Research Council (CNR), Napoli, Italy
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21
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Geppert M, Himly M. Iron Oxide Nanoparticles in Bioimaging - An Immune Perspective. Front Immunol 2021; 12:688927. [PMID: 34211476 PMCID: PMC8239972 DOI: 10.3389/fimmu.2021.688927] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 06/01/2021] [Indexed: 01/22/2023] Open
Abstract
Iron oxide nanoparticles (IONPs) bear big hopes in nanomedicine due to their (potential) applications in tumor therapy, drug delivery or bioimaging. However, as foreign entities, such particles may be recognized by the immune system and, thus, lead to inflammation, hypersensitivity or anaphylactic shock. In addition, an overload with iron is known to cause oxidative stress. In this short review, we summarize the biological effects of such particles with a major focus on IONP-formulations used for bioimaging purposes and their effects on the human immune system. We conclude that especially the characteristics of the particles (size, shape, surface charge, coating, etc.) as well as the presence of bystander substances, such as bacterial endotoxin are important factors determining the resulting biological and immunological effects of IONPs. Further studies are needed in order to establish clear structure-activity relationships.
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Affiliation(s)
- Mark Geppert
- Division of Allergy and Immunology, Department of Biosciences, University of Salzburg, Salzburg, Austria
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22
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Dragar Č, Kralj S, Kocbek P. Bioevaluation methods for iron-oxide-based magnetic nanoparticles. Int J Pharm 2021; 597:120348. [DOI: 10.1016/j.ijpharm.2021.120348] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 01/21/2021] [Accepted: 01/31/2021] [Indexed: 12/26/2022]
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23
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Zhuang L, Kong Y, Yang S, Lu F, Gong Z, Zhan S, Liu M. Dynamic changes of inflammation and apoptosis in cerebral ischemia‑reperfusion injury in mice investigated by ferumoxytol‑enhanced magnetic resonance imaging. Mol Med Rep 2021; 23:282. [PMID: 33604682 PMCID: PMC7905325 DOI: 10.3892/mmr.2021.11921] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Accepted: 03/13/2020] [Indexed: 01/21/2023] Open
Abstract
The inflammatory response and apoptosis are key factors in cerebral ischemia-reperfusion injury. The severity of the inflammatory reaction and apoptosis has an important impact on the prognosis of stroke. The ultrasmall superparamagnetic iron oxide particle has provided an effective magnetic resonance molecular imaging method for dynamic observation of the cell infiltration process in vivo. The aims of the present study were to investigate the inflammatory response of cerebral ischemia-reperfusion injury in mice using ferumoxytol-enhanced magnetic resonance imaging, and to observe the dynamic changes of inflammatory response and apoptosis. In the present study a C57BL/6n mouse cerebral ischemia-reperfusion model was established by blocking the right middle cerebral artery with an occluding suture. Subsequently, the mice were injected with ferumoxytol via the tail vein, and magnetic resonance scanning was performed at corresponding time points to observe the signal changes. Furthermore, blood samples were used to measure the level of serum inflammatory factors, and histological staining was performed to assess the number of iron-swallowing microglial cells and apoptotic cells. The present results suggested that there was no significant difference in the serum inflammatory factors tumor necrosis factor-α and interleukin 1β between the middle cerebral artery occlusion (MCAO) and MCAO + ferumoxytol groups injected with ferumoxytol and physiological saline. The lowest signal ratio in the negative enhancement region was decreased 24 h after reperfusion in mice injected with ferumoxytol. The proportion of iron-swallowing microglial cells and TUNEL-positive cells were the highest at 24 h after reperfusion, and decreased gradually at 48 and 72 h after reperfusion. Therefore, the present results indicated that ferumoxytol injection of 18 mg Fe/kg does not affect the inflammatory response in the acute phase of cerebral ischemia and reperfusion. Ferumoxytol-enhanced magnetic resonance imaging can be used as an effective means to monitor the inflammatory response in the acute phase of cerebral ischemia-reperfusion injury. Furthermore, it was found that activation of the inflammatory response and apoptosis in the acute stage of cerebral ischemia-reperfusion injury is consistent.
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Affiliation(s)
- Lihua Zhuang
- Department of Radiology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, P.R. China
| | - Yingnan Kong
- Department of Radiology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, P.R. China
| | - Shuohui Yang
- Department of Radiology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, P.R. China
| | - Fang Lu
- Department of Radiology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, P.R. China
| | - Zhigang Gong
- Department of Radiology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, P.R. China
| | - Songhua Zhan
- Department of Radiology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, P.R. China
| | - Mengxiao Liu
- MR Scientific Marketing, Siemens Healthcare, Shanghai 201318, P.R. China
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de Santana WMO, Caetano BL, de Annunzio SR, Pulcinelli SH, Ménager C, Fontana CR, Santilli CV. Conjugation of superparamagnetic iron oxide nanoparticles and curcumin photosensitizer to assist in photodynamic therapy. Colloids Surf B Biointerfaces 2020; 196:111297. [DOI: 10.1016/j.colsurfb.2020.111297] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 07/25/2020] [Accepted: 07/29/2020] [Indexed: 12/17/2022]
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25
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Muhammad Q, Jang Y, Kang SH, Moon J, Kim WJ, Park H. Modulation of immune responses with nanoparticles and reduction of their immunotoxicity. Biomater Sci 2020; 8:1490-1501. [PMID: 31994542 DOI: 10.1039/c9bm01643k] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Particles with a size range of 1-100 nm used in various fields of life sciences are called nanoparticles (NPs). Currently, nanotechnology has a wide range of applications in biomedical research, industries and in almost all types of modern technology. The growing applications of nanotechnology in medicine urge scientists to analyze the impact of NPs on human body tissues and the immune system. Easy surface modifications of the NPs enable the modulation of the immune system either by evading the immune system to prevent allergic reactions or by enhancing the immunogenic response. In this review, we discussed the various possible theories and practical implications reported to date for the applications of nanotechnology in immunostimulation and immunosuppression for favorable immune response, such as vaccine delivery and cancer treatments. In the last part of this paper, we also discussed the biocompatibility and unfavorable immunotoxicity of NPs and methods for lowering their toxicity.
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Affiliation(s)
- Qasim Muhammad
- School of Integrative Engineering, Chung-Ang University, 221 Heukseok-Dong, Dongjak-Gu, Seoul 06974, Republic of Korea.
| | - Yeonwoo Jang
- School of Integrative Engineering, Chung-Ang University, 221 Heukseok-Dong, Dongjak-Gu, Seoul 06974, Republic of Korea.
| | - Shin Hyuk Kang
- Department of Plastic and Reconstructive Surgery, Seoul National University Bundang Hospital, Seongnam 13620, Republic of Korea
| | - James Moon
- Pharmaceutical Sciences and Biomedical Engineering, University of Michigan, 500 S. State Street, Ann Arbor, MI 48109, USA
| | - Won Jong Kim
- School of Interdisciplinary Bioscience and Bioengineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea.
| | - Hansoo Park
- School of Integrative Engineering, Chung-Ang University, 221 Heukseok-Dong, Dongjak-Gu, Seoul 06974, Republic of Korea.
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Taghizadeh SM, Berenjian A, Chew KW, Show PL, Mohd Zaid HF, Ramezani H, Ghasemi Y, Raee MJ, Ebrahiminezhad A. Impact of magnetic immobilization on the cell physiology of green unicellular algae Chlorella vulgaris. Bioengineered 2020; 11:141-153. [PMID: 31994978 PMCID: PMC6999624 DOI: 10.1080/21655979.2020.1718477] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Cell immobilization on the magnetic nanoparticles (MNPs) and magnetic harvesting is a novel approach for microalgal cells separation. To date, the effect of these nanoparticles on microalgal cells was only studied over a short period of time. More studies are hence needed for a better understanding of the magnetic harvesting proposes or environmental concerns relating to long-term exposure to nanoparticles. In this study, the impact of various concentrations of MNPs on the microalgal cells growth and their metabolic status was investigated over 12 days. More than 60% reduction in mitochondrial activity and pigments (chlorophyll a, chlorophyll b, and carotenoids) content occurred during the first 6 days of exposure to ≥50 µg/mL nanoparticles. However, more than 50% growth inhibitory effect was seen at concentrations higher than 400 µg/mL. Exposure to MNPs gradually induced cellular adaptation and after about 6 days of exposure to stress generating concentrations (˂400 µg/mL) of IONs, microalgae could overcome the imposed damages. This work provides a better understanding regarding the environmental impact of MNPs and appropriate concentrations of these particles for future algal cells magnetic immobilization and harvesting.
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Affiliation(s)
- Seyedeh-Masoumeh Taghizadeh
- Department of Pharmaceutical Biotechnology, School of Pharmacy and Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Aydin Berenjian
- School of Engineering, Faculty of Science and Engineering, University of Waikato, Hamilton, New Zealand
| | - Kit Wayne Chew
- School of Mathematical Sciences, Faculty of Science and Engineering, University of Nottingham Malaysia, Semenyih, Malaysia
| | - Pau Loke Show
- Department of Chemical and Environmental Engineering, Faculty of Science and Engineering, University of Nottingham Malaysia, Semenyih, Malaysia
| | - Hayyiratul Fatimah Mohd Zaid
- Fundamental and Applied Sciences Department, Centre of Innovative Nanostructures & Nanodevices (COINN), Institute of Autonomous System, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, Malaysia
| | - Hamidreza Ramezani
- Department of Pharmaceutical Biotechnology, School of Pharmacy and Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Younes Ghasemi
- Department of Pharmaceutical Biotechnology, School of Pharmacy and Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Javad Raee
- Department of Pharmaceutical Biotechnology, School of Pharmacy and Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Alireza Ebrahiminezhad
- Department of Medical Nanotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
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27
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Janik-Olchawa N, Drozdz A, Ryszawy D, Pudełek M, Planeta K, Setkowicz Z, Śniegocki M, Żądło A, Ostachowicz B, Chwiej J. Comparison of ultrasmall IONPs and Fe salts biocompatibility and activity in multi-cellular in vitro models. Sci Rep 2020; 10:15447. [PMID: 32963318 PMCID: PMC7508949 DOI: 10.1038/s41598-020-72414-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Accepted: 08/31/2020] [Indexed: 11/09/2022] Open
Abstract
In the paper, the results of the first regular studies of ultra-small iron oxide nanoparticles (IONPs) toxicity in vitro were presented. The influence of PEG-coated NPs with 5 nm magnetite core on six different cell lines was examined. These were: human bronchial fibroblasts, human embryonic kidney cells (HEK293T), two glioblastoma multiforme (GBM) cell lines as well as GBM cells isolated from a brain tumor of patient. Additionally, mouse macrophages were included in the study. The influence of IONPs in three different doses (1, 5 and 25 µg Fe/ml) on the viability, proliferation and migration activity of cells was assessed. Moreover, quantifying the intracellular ROS production, we determined the level of oxidative stress in cells exposed to IONPs. In the paper, for the first time, the effect of Fe in the form of IONPs was compared with the analogical data obtained for iron salts solutions containing the same amount of Fe, on the similar oxidation state. Our results clearly showed that the influence of iron on the living cells strongly depends not only on the used cell line, dose and exposure time but also on the form in which this element was administered to the culture. Notably, nanoparticles can stimulate the proliferation of some cell lines, including glioblastoma multiforme. Compared to Fe salts, they have a stronger negative impact on the viability of the cells tested. Ultra-small NPs, also, more often positively affect cell motility which seem to differ them from the NPs with larger core diameters.
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Affiliation(s)
- Natalia Janik-Olchawa
- Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, Kraków, Poland
| | - Agnieszka Drozdz
- Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, Kraków, Poland
| | - Damian Ryszawy
- Faculty of Biochemistry Biophysics and Biotechnology, Jagiellonian University, Kraków, Poland
| | - Maciej Pudełek
- Faculty of Biochemistry Biophysics and Biotechnology, Jagiellonian University, Kraków, Poland
| | - Karolina Planeta
- Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, Kraków, Poland
| | - Zuzanna Setkowicz
- Institute of Zoology and Biomedical Research, Jagiellonian University, Kraków, Poland
| | | | - Andrzej Żądło
- Faculty of Biochemistry Biophysics and Biotechnology, Jagiellonian University, Kraków, Poland
| | - Beata Ostachowicz
- Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, Kraków, Poland
| | - Joanna Chwiej
- Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, Kraków, Poland.
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28
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Wu L, Li Y, Gu N. Nano-sensing and nano-therapy targeting central players in iron homeostasis. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2020; 13:e1667. [PMID: 32893493 DOI: 10.1002/wnan.1667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 07/23/2020] [Accepted: 07/23/2020] [Indexed: 11/10/2022]
Abstract
Iron plays vital roles in many life activities and it is strictly controlled via elaborate metabolic system. Growing evidence has suggested that the dysfunctional iron homeostasis is implicated to many refractory diseases including cancers and neurodegenerations. Systemic and cellular iron are regulated through different pathways but are meanwhile interconnecting with each other via a few key regulators, whose abnormal expressions are often found to be the root causes of many iron disorders. Nano-sensing techniques have enabled the detection and monitoring of such central players, which provide rich information for the iron homeostasis profile through multiplexing and flexible designs. In addition to general sensing, nanoprobes are capable of target imaging and precise local access, which are particularly beneficial for revealing the conditions of intra-/extracellular environments. Nanomaterials have also been applied in some therapies, targeting the aberrant iron metabolism. Various iron uptake pathways have been utilized for target drug delivery and iron level manipulation, while abnormal iron content is notably useful in tumor killing. With brief introduction to the significance of iron homeostasis, this review includes recent works regarding the nanotechnology that has been applied in iron-related diagnostic and therapeutic applications. This article is categorized under: Diagnostic Tools > Biosensing Therapeutic Approaches and Drug Discovery > Nanomedicine for Oncologic Disease Diagnostic Tools > in vivo Nanodiagnostics and Imaging.
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Affiliation(s)
- Linyuan Wu
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Sciences & Medical Engineering, Southeast University, Nanjing, China
| | - Yan Li
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Sciences & Medical Engineering, Southeast University, Nanjing, China
| | - Ning Gu
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Sciences & Medical Engineering, Southeast University, Nanjing, China
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29
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Malhotra N, Lee JS, Liman RAD, Ruallo JMS, Villaflores OB, Ger TR, Hsiao CD. Potential Toxicity of Iron Oxide Magnetic Nanoparticles: A Review. Molecules 2020; 25:E3159. [PMID: 32664325 PMCID: PMC7397295 DOI: 10.3390/molecules25143159] [Citation(s) in RCA: 155] [Impact Index Per Article: 38.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 07/03/2020] [Accepted: 07/07/2020] [Indexed: 12/25/2022] Open
Abstract
The noteworthy intensification in the development of nanotechnology has led to the development of various types of nanoparticles. The diverse applications of these nanoparticles make them desirable candidate for areas such as drug delivery, coasmetics, medicine, electronics, and contrast agents for magnetic resonance imaging (MRI) and so on. Iron oxide magnetic nanoparticles are a branch of nanoparticles which is specifically being considered as a contrast agent for MRI as well as targeted drug delivery vehicles, angiogenic therapy and chemotherapy as small size gives them advantage to travel intravascular or intracavity actively for drug delivery. Besides the mentioned advantages, the toxicity of the iron oxide magnetic nanoparticles is still less explored. For in vivo applications magnetic nanoparticles should be nontoxic and compatible with the body fluids. These particles tend to degrade in the body hence there is a need to understand the toxicity of the particles as whole and degraded products interacting within the body. Some nanoparticles have demonstrated toxic effects such inflammation, ulceration, and decreases in growth rate, decline in viability and triggering of neurobehavioral alterations in plants and cell lines as well as in animal models. The cause of nanoparticles' toxicity is attributed to their specific characteristics of great surface to volume ratio, chemical composition, size, and dosage, retention in body, immunogenicity, organ specific toxicity, breakdown and elimination from the body. In the current review paper, we aim to sum up the current knowledge on the toxic effects of different magnetic nanoparticles on cell lines, marine organisms and rodents. We believe that the comprehensive data can provide significant study parameters and recent developments in the field. Thereafter, collecting profound knowledge on the background of the subject matter, will contribute to drive research in this field in a new sustainable direction.
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Affiliation(s)
- Nemi Malhotra
- Department of Biomedical Engineering, Chung Yuan Christian University, Chung-Li 32023, Taiwan
| | - Jiann-Shing Lee
- Department of Applied Physics, National Pingtung University, Pingtung 90007, Taiwan
| | | | | | - Oliver B Villaflores
- Department of Biochemistry, Faculty of Pharmacy and Research Center for Natural and Applied Sciences, University of Santo Tomas, Manila 1015, Philippines
| | - Tzong-Rong Ger
- Department of Biomedical Engineering, Chung Yuan Christian University, Chung-Li 32023, Taiwan
| | - Chung-Der Hsiao
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 32023, Taiwan
- Department of Chemistry, Chung Yuan Christian University, Chung-Li 32023, Taiwan
- Center for Nanotechnology, Chung Yuan Christian University, Chung-Li 32023, Taiwan
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30
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King AM, Bray C, Hall SCL, Bear JC, Bogart LK, Perrier S, Davies GL. Exploring precision polymers to fine-tune magnetic resonance imaging properties of iron oxide nanoparticles. J Colloid Interface Sci 2020; 579:401-411. [PMID: 32615483 DOI: 10.1016/j.jcis.2020.06.036] [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: 03/05/2020] [Revised: 05/14/2020] [Accepted: 06/07/2020] [Indexed: 11/27/2022]
Abstract
The use of bio-polymers as stabilising agents for iron oxide-based negative magnetic resonance imaging (MRI) contrast agents has become popular in recent years, however the wide polydispersity of biologically-derived and commercially available polymers limits the ability to produce truly tuneable and reproducible behaviour, a major challenge in this area. In this work, stable colloids of iron oxide nanoparticles were prepared utilising precision-engineered bio-polymer mimics, poly(2-acrylamido-2-methylpropane sodium sulfonate) (P(AMPS)) polymers, with controlled narrow polydispersity molecular weights, as templating stabilisers. In addition to producing magnetic colloids with excellent MRI contrast capabilities (r2 values reaching 434.2 mM-1 s-1 at 25 °C and 23 MHz, several times higher than similar commercial analogues), variable field relaxometry provided unexpected important insights into the dynamic environment of the hydrated materials, and hence their exceptional MRI behaviour. Thanks to the polymer's templating backbone and flexible conformation in aqueous suspension, nanocomposites appear to behave as "multi-core" clustered species, enhancing interparticle interactions whilst retaining water diffusion, boosting relaxation properties at low frequency. This clustering behaviour, evidenced by small-angle X-ray scattering, and strong relaxometric response, was fine-tuned using the well-defined molecular weight polymer species with precise iron to polymer ratios. By also showing negligible haemolytic activity, these nanocomposites exhibit considerable potential for MRI diagnostics.
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Affiliation(s)
- Aaron M King
- Department of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, UK
| | - Caroline Bray
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UK
| | - Stephen C L Hall
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UK
| | - Joseph C Bear
- School of Life Science, Pharmacy and Chemistry, Kingston University, Penryhn Road, Kingston-upon-Thames, KT1 2EE, UK
| | - Lara K Bogart
- UCL Healthcare Biomagnetics Laboratory, 21 Albemarle Street, London W1S 4BS, UK
| | - Sebastien Perrier
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UK
| | - Gemma-Louise Davies
- Department of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, UK.
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31
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Karahaliloglu Z, Kilicay E, Hazer B. PLinaS-g-PEG coated magnetic nanoparticles as a contrast agent for hepatocellular carcinoma diagnosis. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2020; 31:1580-1603. [PMID: 32460649 DOI: 10.1080/09205063.2020.1764183] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Among many different types of fabricated nanoparticles, magnetic iron oxide nanoparticles (MNPs) have unique physical and chemical properties and have been widely used due to theirs enhanced permeability and retention effect for biomedical applications. The incorporated theranostic MNPs into biopolymer coatings are currently particular interest to investigators in the fields of nanobiomedicine because of efficiently delivering of various drugs, genes and providing imaging properties. Hepatocellular carcinoma (HCC) is the most prevalent reason of cancer-related deaths, makes it one of the worst malignant tumors in the world. Because, there is a lack of effective treatment methods for HCC, aforementioned magnetic carrier technology with recent innovations could be a promising tool in HCC diagnosis and treatment. Therefore, this study proposes a novel fatty-acid-based polymeric magnetic nanoprobe for diagnosis of hepatocellular tumors using polyethylene glycol (PEG)-terminated polystyrene (PS)-linoleic copolymer coated magnetic iron oxide nanoparticles. MNPs were synthesized by a co-precipitation method and were subsequently coated with a copolymer containing PEG group as termini. Fifty-nanometer-sized MNPs were incorporated into the core of PLinaS-g-PEG nanoparticles. The morphology and size distribution of the bare and magnetic PLinaS-g-PEG were determined by transmission electron microscopy (TEM), and dynamic light scattering (DLS), respectively. MTT and flow cytometry assays showed that PLinaS-g-PEG MNPs demonstrated ultrasentive apoptotic behavior against cancerous cell line, i.e. HepG2 in the culture plate when the fatty acid-containing polymer coated MNPs showed no adverse effect on L929 cell growth. The localization, and accumulation in hepatocytes of PLinaS-g-PEG MNPs without specific targeting ligand was confirmed by fluorescence and confocal microscopy. Therefore, PLinaS-g-PEG MNPs may be potentially used as a unique candidate for diagnosis of hepatocellular carcinomas.
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Affiliation(s)
| | - Ebru Kilicay
- Vocational High School of Eldivan Health Care Services, Karatekin University, Cankiri, Turkey
| | - Baki Hazer
- Department of Aircraft Airframe Engine Maintenance, Kapadokya University, Nevşehir, Turkey.,Department of Chemistry, Bülent Ecevit University, Zonguldak, Turkey.,Department of Nanotechnology Engineering, Bülent Ecevit University, Zonguldak, Turkey
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32
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Ikeda H, Ishii A, Sano K, Chihara H, Arai D, Abekura Y, Nishi H, Ono M, Saji H, Miyamoto S. Activatable Fluorescence Imaging of Macrophages in Cerebral Aneurysms Using Iron Oxide Nanoparticles Conjugated With Indocyanine Green. Front Neurosci 2020; 14:370. [PMID: 32390794 PMCID: PMC7189773 DOI: 10.3389/fnins.2020.00370] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Accepted: 03/26/2020] [Indexed: 12/11/2022] Open
Abstract
Background and Purpose Chronic inflammation is involved in the formation and enlargement of cerebral aneurysms (CAs), with macrophages playing a key role in the process. The present study evaluated visualization of macrophages present in CAs using an activatable fluorescent probe (IONP-ICG) comprising an iron oxide nanoparticles (IONPs) conjugated with indocyanine green (ICG). Methods IONP-ICG was intravenously administered to 15-week-old CA model rats (n = 8), and ex vivo near-infrared fluorescence (NIRF) imaging and histological assessment of exposed CAs and cerebral arteries were performed 48 h later. Similar evaluations were performed in the control group, which included CA model rats given IONPs or ICG (n = 8 each). Results ICG-derived NIRF signals were detected in three IONP-ICG group rats but not in IONP or ICG control groups. Among the three rats that exhibited signals, NIRF signal accumulation was observed in the CA of two rats and at the site of hemodynamic stress in the left posterior cerebral artery in one rat. Histologically, NIRF signals correlated strongly with macrophage localization. A total of 13 CAs formed in the IONP-ICG group. The number of macrophages in the CA wall was significantly greater in the two CAs that exhibited NIRF signals compared to the remaining 11 CAs that did not (P = 0.037). Moreover, all 11 CAs that did not exhibit NIRF signals were iron-negative, while the two CAs that exhibited NIRF signals were both iron-positive (P = 0.013). Conclusion NIRF imaging using an activatable IONP-ICG probe is feasible for detecting the macrophage-rich regions in CAs and the cerebral artery wall, which is considered an early lesion in the process of CA formation.
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Affiliation(s)
- Hiroyuki Ikeda
- Department of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan.,Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, Japan
| | - Akira Ishii
- Department of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Kohei Sano
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, Japan.,Laboratory of Biophysical Chemistry, Kobe Pharmaceutical University, Kobe, Japan
| | - Hideo Chihara
- Department of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Daisuke Arai
- Department of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Yu Abekura
- Department of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Hidehisa Nishi
- Department of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Masahiro Ono
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, Japan
| | - Hideo Saji
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, Japan
| | - Susumu Miyamoto
- Department of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan
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33
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Liu X, Wang H, Zuo S, Zhang T, Dong Y, Li D, Jiang C. Dispersible and manipulable magnetic L1 0-FePt nanoparticles. NANOSCALE 2020; 12:7843-7848. [PMID: 32227003 DOI: 10.1039/c9nr10302c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Oriented single-domain magnetic nanoparticles with a high remanence ratio Mr/Ms and maximum magnetic energy product (BH)max have attracted immense attention. However, nanoparticles easily agglomerate due to their extremely small size, which impedes the process of orientation. So manipulating the orientation of nanoparticles is still a key challenge. Here, L10-FePt single-domain nanoparticles were successfully synthesized by a chemical method in the liquid phase and nanoparticle-based anisotropic nanocomposites were obtained by dispersing the nanoparticles in liquid epoxy resin under an external magnetic field. The main factors that impact the orientation of L10-FePt single-domain nanoparticles were investigated further. It is found that the dispersibility of nanoparticles has a great impact on the degree of orientation, so do the applied magnetic field and the concentration of nanoparticles. Nanocomposites with homodisperse nanoparticles oriented under a suitable external magnetic field exhibit excellent magnetic performance, such as high coercivity Hc and remanence Mr, which gives the nanocomposites a higher (BH)max than the isotropic samples. The anisotropic nanocomposites show great potential in multifarious permanent magnet applications and fundamental research.
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Affiliation(s)
- Xin Liu
- School of Materials Science and Engineering, Beihang University, Beijing 100191, P. R. China.
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34
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Ledda M, Fioretti D, Lolli MG, Papi M, Di Gioia C, Carletti R, Ciasca G, Foglia S, Palmieri V, Marchese R, Grimaldi S, Rinaldi M, Lisi A. Biocompatibility assessment of sub-5 nm silica-coated superparamagnetic iron oxide nanoparticles in human stem cells and in mice for potential application in nanomedicine. NANOSCALE 2020; 12:1759-1778. [PMID: 31895375 DOI: 10.1039/c9nr09683c] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Ultrasmall superparamagnetic iron oxide nanoparticles with a size <5 nm are emerging nanomaterials for their excellent biocompatibility, chemical stability, and tunable surface modifications. The applications explored include dual-modal or multi-modal imaging, drug delivery, theranostics and, more recently, magnetic resonance angiography. Good biocompatibility and biosafety are regarded as the preliminary requirements for their biomedical applications and further exploration in this field is still required. We previously synthesized and characterized ultrafine (average core size of 3 nm) silica-coated superparamagnetic iron oxide fluorescent nanoparticles, named sub-5 SIO-Fl, uniform in size, shape, chemical properties and composition. The cellular uptake and in vitro biocompatibility of the as-synthesized nanoparticles were demonstrated in a human colon cancer cellular model. Here, we investigated the biocompatibility of sub-5 SIO-Fl nanoparticles in human Amniotic Mesenchymal Stromal/Stem Cells (hAMSCs). Kinetic analysis of cellular uptake showed a quick nanoparticle internalization in the first hour, increasing over time and after long exposure (48 h), the uptake rate gradually slowed down. We demonstrated that after internalization, sub-5 SIO-Fl nanoparticles neither affect hAMSC growth, viability, morphology, cytoskeletal organization, cell cycle progression, immunophenotype, and the expression of pro-angiogenic and immunoregulatory paracrine factors nor the osteogenic and myogenic differentiation markers. Furthermore, sub-5 SIO-Fl nanoparticles were intravenously injected into mice to investigate the in vivo biodistribution and toxicity profile for a time period of 7 weeks. Our findings showed an immediate transient accumulation of nanoparticles in the kidney, followed by the liver and lungs, where iron contents increased over a 7-week period. Histopathology, hematology, serum pro-inflammatory response, body weight and mortality studies demonstrated a short- and long-term biocompatibility and biosafety profile with no apparent acute and chronic toxicity caused by these nanoparticles in mice. Overall, these results suggest the feasibility of using sub-5 SIO-Fl nanoparticles as a promising agent for stem cell magnetic targeting as well as for diagnostic and therapeutic applications in oncology.
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Affiliation(s)
- Mario Ledda
- Institute of Translational Pharmacology (IFT), Department of Biomedical Sciences, National Research Council (CNR), via del Fosso del Cavaliere 100, 00133 Rome, Italy.
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35
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Paris JL, Baeza A, Vallet-Regí M. Overcoming the stability, toxicity, and biodegradation challenges of tumor stimuli-responsive inorganic nanoparticles for delivery of cancer therapeutics. Expert Opin Drug Deliv 2019; 16:1095-1112. [DOI: 10.1080/17425247.2019.1662786] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Juan L. Paris
- Department of Life Sciences, Nano4Health Unit, Nanomedicine Group. International Iberian Nanotechnology Laboratory (INL). Av. Mestre José Veiga s/n, Braga, Portugal
| | - Alejandro Baeza
- Materials and Aeroespatial Production Department, Polymer Materials Research Group, Madrid, Spain
| | - María Vallet-Regí
- Dpto. Química en Ciencias Farmacéuticas (Unidad Docente de Química Inorgánica y Bioinorgánica), Facultad de Farmacia, UCM, Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), Madrid, Spain
- Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Madrid, Spain
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36
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Rad Goudarzi M, Bagherzadeh M, Fazilati M, Riahi F, Salavati H, Shahrokh Esfahani S. Evaluation of antibacterial property of hydroxyapatite and zirconium oxide-modificated magnetic nanoparticles against Staphylococcus aureus and Escherichia coli. IET Nanobiotechnol 2019; 13:449-455. [PMID: 31171751 PMCID: PMC8676336 DOI: 10.1049/iet-nbt.2018.5029] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Revised: 01/10/2019] [Accepted: 02/06/2019] [Indexed: 04/05/2024] Open
Abstract
In the first section of this research, superparamagnetic nanoparticles (NPs) (Fe3O4) modified with hydroxyapatite (HAP) and zirconium oxide (ZrO2) and thereby Fe3O4/HAP and Fe3O4/ZrO2 NPs were synthesised through co-precipitation method. Then Fe3O4/HAP and Fe3O4/ZrO2 NPs characterised with various techniques such as X-ray photoelectron spectroscopy, X-ray diffraction, scanning electron microscopy, energy dispersive X-ray analysis, Brunauer-Emmett-Teller, Fourier transform infrared, and vibrating sample magnetometer. Observed results confirmed the successful synthesis of desired NPs. In the second section, the antibacterial activity of synthesised magnetic NPs (MNPs) was investigated. This investigation performed with multiple microbial cultivations on the two bacteria; Staphylococcus aureus (S. aureus) and Escherichia coli (E. coli). Obtained results proved that although both MNPs have good antibacterial properties, however, Fe3O4/HAP NP has greater antibacterial performance than the other. Based on minimum inhibitory concentration and minimum bactericidal concentration evaluations, S. aureus bacteria are more sensitive to both NPs. These nanocomposites combine the advantages of MNP and antibacterial effects, with distinctive merits including easy preparation, high inactivation capacity, and easy isolation from sample solutions by the application of an external magnetic field.
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Affiliation(s)
| | - Mojtaba Bagherzadeh
- Reactor and Nuclear Safety School, Nuclear Science and Technology Research Institute, P. O. Box 81465-1589, Isfahan, Iran.
| | - Mohammad Fazilati
- Department of Biology, Payame Noor University, P. O. Box 19395-3697, Tehran, Iran
| | - Fariborz Riahi
- Reactor and Nuclear Safety School, Nuclear Science and Technology Research Institute, P. O. Box 81465-1589, Isfahan, Iran
| | - Hossein Salavati
- Department of Chemistry, Payame Noor University, P. O. Box 19395-3697, Tehran, Iran
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Janko C, Ratschker T, Nguyen K, Zschiesche L, Tietze R, Lyer S, Alexiou C. Functionalized Superparamagnetic Iron Oxide Nanoparticles (SPIONs) as Platform for the Targeted Multimodal Tumor Therapy. Front Oncol 2019; 9:59. [PMID: 30815389 PMCID: PMC6382019 DOI: 10.3389/fonc.2019.00059] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Accepted: 01/21/2019] [Indexed: 01/21/2023] Open
Abstract
Standard cancer treatments involve surgery, radiotherapy, chemotherapy, and immunotherapy. In clinical practice, the respective drugs are applied orally or intravenously leading to their systemic circulation in the whole organism. For chemotherapeutics or immune modulatory agents, severe side effects such as immune depression or autoimmunity can occur. At the same time the intratumoral drug doses are often too low for effective cancer therapy. Since monotherapies frequently cannot cure cancer, due to their synergistic effects multimodal therapy concepts are applied to enhance treatment efficacy. The targeted delivery of drugs to the tumor by employment of functionalized nanoparticles might be a promising solution to overcome these challenges. For multimodal therapy concepts and individualized patient care nanoparticle platforms can be functionalized with compounds from various therapeutic classes (e.g. radiosensitizers, phototoxic drugs, chemotherapeutics, immune modulators). Superparamagnetic iron oxide nanoparticles (SPIONs) as drug transporters can add further functionalities, such as guidance or heating by external magnetic fields (Magnetic Drug Targeting or Magnetic Hyperthermia), and imaging-controlled therapy (Magnetic Resonance Imaging).
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Affiliation(s)
- Christina Janko
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Teresa Ratschker
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, Erlangen, Germany.,Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Khanh Nguyen
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, Erlangen, Germany.,Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Lisa Zschiesche
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, Erlangen, Germany.,Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Rainer Tietze
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Stefan Lyer
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Christoph Alexiou
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, Erlangen, Germany
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Reichel D, Tripathi M, Perez JM. Biological Effects of Nanoparticles on Macrophage Polarization in the Tumor Microenvironment. Nanotheranostics 2019; 3:66-88. [PMID: 30662824 PMCID: PMC6328304 DOI: 10.7150/ntno.30052] [Citation(s) in RCA: 104] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Accepted: 12/02/2018] [Indexed: 12/11/2022] Open
Abstract
Biological interactions between tumor-associated macrophages (TAMs), cancer cells and other cells within the tumor microenvironment contribute to tumorigenesis, tumor growth, metastasis and therapeutic resistance. TAMs can remodel the tumor microenvironment to reduce growth barriers such as the dense extracellular matrix and shift tumors towards an immunosuppressive microenvironment that protects cancer cells from targeted immune responses. Nanoparticles can interrupt these biological interactions within tumors by altering TAM phenotypes through a process called polarization. Macrophage polarization within tumors can shift TAMs from a growth-promoting phenotype towards a cancer cell-killing phenotype that predicts treatment efficacy. Because many types of nanoparticles have been shown to preferentially accumulate within macrophages following systemic administration, there is considerable interest in identifying nanoparticle effects on TAM polarization, evaluating nanoparticle-induced TAM polarization effects on cancer treatment using drug-loaded nanoparticles and identifying beneficial types of nanoparticles for effective cancer treatment. In this review, the macrophage polarization effects of nanoparticles will be described based on their primary chemical composition. Because of their strong macrophage-polarizing and antitumor effects compared to other types of nanoparticles, the effects of iron oxide nanoparticles on macrophages will be discussed in detail. By comparing the macrophage polarization effects of various nanoparticle treatments reported in the literature, this review aims to both elucidate nanoparticle material effects on macrophage polarization and to provide insight into engineering nanoparticles with more beneficial immunological responses for cancer treatment.
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Affiliation(s)
- Derek Reichel
- Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048
| | - Manisha Tripathi
- Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048
- Current Address: Department of Cell Biology and Biochemistry, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
| | - J. Manuel Perez
- Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048
- Biomedical Imaging Research Institute, Cedars-Sinai Medical Center, Los Angeles, CA 90048
- Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA 90048
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Casset A, Jouhannaud J, Garofalo A, Spiegelhalter C, Nguyen DV, Felder-Flesch D, Pourroy G, Pons F. Macrophage functionality and homeostasis in response to oligoethyleneglycol-coated IONPs: Impact of a dendritic architecture. Int J Pharm 2018; 556:287-300. [PMID: 30557682 DOI: 10.1016/j.ijpharm.2018.12.024] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Revised: 11/29/2018] [Accepted: 12/06/2018] [Indexed: 12/20/2022]
Abstract
The engineering of iron oxide nanoparticles (IONPs) for biomedical use has received great interest over the past decade. In the present study we investigated the biocompatibility of IONPs grafted with linear (2P) or generation 1 (2PG1) or 2 (2PG2) dendronized oligoethyleneglycol units in THP-1-derived macrophages. To evaluate IONP effects on cell functionality and homeostasis, mitochondrial function (MTT assay), membrane permeability (LDH release), inflammation (IL-8), oxidative stress (reduced glutathione, GSH), NLRP3 inflammasome activation (IL-1β) and nanoparticle cellular uptake (intracellular iron content) were quantified after a 4-h or 24-h cell exposure to increasing IONP concentrations (0-300 µg Fe/mL). IONPs coated with a linear molecule, NP10COP@2P, were highly taken up by cells and induced significant dose-dependent IL-8 release, oxidative stress and NLRP3 inflammasome activation. In comparison, IONPs coated with dendrons of generation 1 (NP10COP@2PG1) and 2 (NP10COP@2PG2) exhibited better biocompatibility. Effect of the dendritic architecture of the surface coating was investigated in a kinetic experiment involving cell short-term exposure (30 min or 1 h 30) to the two dendronized IONPs. NP10COP@2PG2 disrupted cellular homeostasis (LDH release, IL-1β and IL-8 secretion) to a greater extend than NP10COP@2PG1, which makes this last IONP the best candidate as MRI contrast or theranostic agent.
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Affiliation(s)
- Anne Casset
- Université de Strasbourg, CNRS, CAMB UMR 7199, F-67000 Strasbourg, France.
| | - Julien Jouhannaud
- Université de Strasbourg, CNRS, Institut de Physique et Chimie des Matériaux Strasbourg, UMR 7504, F-67000 Strasbourg, France
| | - Antonio Garofalo
- Université de Strasbourg, CNRS, Institut de Physique et Chimie des Matériaux Strasbourg, UMR 7504, F-67000 Strasbourg, France
| | - Coralie Spiegelhalter
- Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), INSERM, CNRS, Université de Strasbourg, F-67404 Illkirch, France
| | - Dinh-Vu Nguyen
- Université de Strasbourg, CNRS, Institut de Physique et Chimie des Matériaux Strasbourg, UMR 7504, F-67000 Strasbourg, France
| | - Delphine Felder-Flesch
- Université de Strasbourg, CNRS, Institut de Physique et Chimie des Matériaux Strasbourg, UMR 7504, F-67000 Strasbourg, France
| | - Geneviève Pourroy
- Université de Strasbourg, CNRS, Institut de Physique et Chimie des Matériaux Strasbourg, UMR 7504, F-67000 Strasbourg, France
| | - Françoise Pons
- Université de Strasbourg, CNRS, CAMB UMR 7199, F-67000 Strasbourg, France
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40
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Bisso PW, Gaglione S, Guimarães PPG, Mitchell MJ, Langer R. Nanomaterial Interactions with Human Neutrophils. ACS Biomater Sci Eng 2018; 4:4255-4265. [PMID: 31497639 PMCID: PMC6731026 DOI: 10.1021/acsbiomaterials.8b01062] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Neutrophils are the most abundant circulating leukocyte and the first point of contact between many drug delivery formulations and human cells. Despite their prevalence and implication in a range of immune functions, little is known about how human neutrophils respond to synthetic particulates. Here, we describe how ex vivo human neutrophils respond to particles which vary in both size (5 nm to 2 μm) and chemistry (lipids, poly(styrene), poly(lactic-co-glycolic acid), and gold). In particular, we show that (i) particle uptake is rapid, typically plateauing within 15 min; (ii) for a given particle chemistry, neutrophils preferentially take up larger particles at the nanoscale, up to 200 nm in size; (iii) uptake of nanoscale poly(styrene) and liposomal particles at concentrations of up to 5 μg/mL does not enhance apoptosis, activation, or cell death; (iv) particle-laden neutrophils retain the ability to degranulate normally in response to chemical stimulation; and (v) ingested particles reside in intracellular compartments that are retained during activation and degranulation. Aside from the implications for design of intravenously delivered particulate formulations in general, we expect these observations to be of particular use for targeting nanoparticles to circulating neutrophils, their clearance site (bone marrow), or distal sites of active inflammation.
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Affiliation(s)
- Paul W. Bisso
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Stephanie Gaglione
- Department of Chemical Engineering, University of Toronto, Toronto, Ontario M5S 3E5, Canada
| | - Pedro P. G. Guimarães
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Michael J. Mitchell
- Department of Bioengineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Robert Langer
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
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41
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Khatik R, Wang Z, Li F, Zhi D, Kiran S, Dwivedi P, Xu RX, Liang G, Qiu B, Yang Q. "Magnus nano-bullets" as T 1/T 2 based dual-modal for in vitro and in vivo MRI visualization. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2018; 15:264-273. [PMID: 30442595 DOI: 10.1016/j.nano.2018.10.005] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 09/21/2018] [Accepted: 10/15/2018] [Indexed: 12/20/2022]
Abstract
Tissue specific T1/T2 dual contrast abilities for magnetic resonance imaging (MRI) have great significance in initial detection of cancer lesions. Herein, we developed a novel kind of Magnus nano-bullets (Mn-DTPA-F-MSNs) distinguished by magnetic (Fe3O4-NPs) head combined with mesoporous (SiO2) persist body, respectively. Subsequently, modify mesoporous SiO2 group and finally loaded with Mn2+. These Magnus nano-bullets have relaxivity value (r1 = 5.12 mM-1 s-1) and relaxivity value (r2 = 265.32 mM-1 s-1); they were > 2 folds in comparison to control at 3.0 T. Meanwhile, Magnus nano-bullets also offered significant enhancements for the detection of Glutathione (GSH), a biomarker that has been showed a redox responsive T1-weighted MRI effect in vitro and in vivo evaluations with good biocompatibility. Therefore, our finding endorses that Magnus nano-bullets offer a "smart" and tremendous strategy for greater GSH responsive T1/T2 dual MRI image probes for future biomedical applications.
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Affiliation(s)
- Renuka Khatik
- Hefei National Laboratory of Physical Sciences at the Microscale (HFNL), Department of Chemistry, Laboratory of Nanomaterials for Energy Conversion (LNEC), Synergetic Innovation Centre of Quantum Information & Quantum Physics, University of Science and Technology of China, Hefei, Anhui, PR China
| | - Zhengyun Wang
- Hefei National Laboratory of Physical Sciences at the Microscale (HFNL), Department of Chemistry, Laboratory of Nanomaterials for Energy Conversion (LNEC), Synergetic Innovation Centre of Quantum Information & Quantum Physics, University of Science and Technology of China, Hefei, Anhui, PR China
| | - Fenfen Li
- Centre for Biomedical Engineering, Department of Electronic Science and Technology, University of Science and Technology of China, Hefei, Anhui, PR China
| | - Debo Zhi
- Centre for Biomedical Engineering, Department of Electronic Science and Technology, University of Science and Technology of China, Hefei, Anhui, PR China
| | - Sonia Kiran
- Hefei National Laboratory of Physical Sciences at the Microscale (HFNL), Department of Chemistry, Laboratory of Nanomaterials for Energy Conversion (LNEC), Synergetic Innovation Centre of Quantum Information & Quantum Physics, University of Science and Technology of China, Hefei, Anhui, PR China; CAS Key Laboratory of Soft Matter Chemistry, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui, PR China
| | - Pankaj Dwivedi
- Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, Anhui, PR China
| | - Ronald X Xu
- Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, Anhui, PR China
| | - Gaolin Liang
- Hefei National Laboratory of Physical Sciences at the Microscale (HFNL), Department of Chemistry, Laboratory of Nanomaterials for Energy Conversion (LNEC), Synergetic Innovation Centre of Quantum Information & Quantum Physics, University of Science and Technology of China, Hefei, Anhui, PR China; CAS Key Laboratory of Soft Matter Chemistry, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui, PR China.
| | - Bensheng Qiu
- CAS Key Laboratory of Soft Matter Chemistry, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui, PR China.
| | - Qing Yang
- Hefei National Laboratory of Physical Sciences at the Microscale (HFNL), Department of Chemistry, Laboratory of Nanomaterials for Energy Conversion (LNEC), Synergetic Innovation Centre of Quantum Information & Quantum Physics, University of Science and Technology of China, Hefei, Anhui, PR China.
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42
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Esmaeilpour M, Sardarian AR, Firouzabadi H. Theophylline Supported on Modified Silica-Coated Magnetite Nanoparticles as a Novel, Efficient, Reusable Catalyst in Green One-Pot Synthesis of Spirooxindoles and Phenazines. ChemistrySelect 2018. [DOI: 10.1002/slct.201801506] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Mohsen Esmaeilpour
- Chemistry Department; College of Sciences; Shiraz University; Shiraz 71946 84795 Iran
| | - Ali Reza Sardarian
- Chemistry Department; College of Sciences; Shiraz University; Shiraz 71946 84795 Iran
| | - Habib Firouzabadi
- Chemistry Department; College of Sciences; Shiraz University; Shiraz 71946 84795 Iran
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43
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Ikeda H, Ishii A, Sano K, Chihara H, Arai D, Abekura Y, Nishi H, Ono M, Saji H, Miyamoto S. Activatable fluorescence imaging of macrophages in atherosclerotic plaques using iron oxide nanoparticles conjugated with indocyanine green. Atherosclerosis 2018; 275:1-10. [DOI: 10.1016/j.atherosclerosis.2018.05.028] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2017] [Revised: 05/01/2018] [Accepted: 05/16/2018] [Indexed: 10/16/2022]
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44
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Awaad A, Adly MA, Hosny D. Spleen immunotoxicities induced by intra-testicular injection of magnetic nanoparticles and the role of Echinacea purpurea extract: a histological and immunohistochemical study. J Histotechnol 2018. [DOI: 10.1080/01478885.2018.1472857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Affiliation(s)
- Aziz Awaad
- Department of Zoology, Faculty of Science, Sohag University, Sohag, Egypt
| | - Mohamed A. Adly
- Department of Zoology, Faculty of Science, Sohag University, Sohag, Egypt
| | - Doaa Hosny
- Department of Zoology, Faculty of Science, Sohag University, Sohag, Egypt
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45
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Figueiredo Borgognoni C, Kim JH, Zucolotto V, Fuchs H, Riehemann K. Human macrophage responses to metal-oxide nanoparticles: a review. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2018; 46:694-703. [PMID: 29726285 DOI: 10.1080/21691401.2018.1468767] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Nanomaterials have been widely used in our daily lives in medicine, cosmetics, paints, textiles and food products. Many studies aim to determine their biological effects in different types of cells. The interaction of these materials with the immune system leads to reactions by modifying the susceptibility or resistance of the host body which could induce adverse health effects. Macrophages, as specific cells of the innate immune response, play a crucial role in the human defence system to foreign agents. They can be used as a reliable test object for the investigation of immune responses under nanomaterials exposure displayed by expression of a variety of receptors and active secretion of key signalling substances for these processes. This report covers studies of human macrophage behaviours upon exposure of nanomaterials. We focused on their interaction with metal-oxide nanoparticles as these are largely used in medical and cosmetics applications. The discussion and summary of these studies can guide the development of new nanomaterials, which are, at the same time, safe and useful for new purposes, especially for health applications.
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Affiliation(s)
- Camila Figueiredo Borgognoni
- a Center for Nanotechnology (CeNTech) , Münster , Germany.,b Physics Institute , University of Sao Paulo , Sao Carlos , Brazil
| | - Joo Hyoung Kim
- a Center for Nanotechnology (CeNTech) , Münster , Germany.,c Institute of Physics , University of Münster , Münster , Germany
| | | | - Harald Fuchs
- a Center for Nanotechnology (CeNTech) , Münster , Germany.,c Institute of Physics , University of Münster , Münster , Germany
| | - Kristina Riehemann
- a Center for Nanotechnology (CeNTech) , Münster , Germany.,c Institute of Physics , University of Münster , Münster , Germany
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46
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Shah A, Dobrovolskaia MA. Immunological effects of iron oxide nanoparticles and iron-based complex drug formulations: Therapeutic benefits, toxicity, mechanistic insights, and translational considerations. NANOMEDICINE : NANOTECHNOLOGY, BIOLOGY, AND MEDICINE 2018; 14:977-990. [PMID: 29409836 PMCID: PMC5899012 DOI: 10.1016/j.nano.2018.01.014] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Revised: 01/18/2018] [Accepted: 01/21/2018] [Indexed: 12/14/2022]
Abstract
Nanotechnology offers several advantages for drug delivery. However, there is the need for addressing potential safety concerns regarding the adverse health effects of these unique materials. Some such effects may occur due to undesirable interactions between nanoparticles and the immune system, and they may include hypersensitivity reactions, immunosuppression, and immunostimulation. While strategies, models, and approaches for studying the immunological safety of various engineered nanoparticles, including metal oxides, have been covered in the current literature, little attention has been given to the interactions between iron oxide-based nanomaterials and various components of the immune system. Here we provide a comprehensive review of studies investigating the effects of iron oxides and iron-based nanoparticles on various types of immune cells, highlight current gaps in the understanding of the structure-activity relationships of these materials, and propose a framework for capturing their immunotoxicity to streamline comparative studies between various types of iron-based formulations.
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Affiliation(s)
- Ankit Shah
- Nanotechnology Characterization Laboratory, Cancer Research Technology Program, Leidos Biomedical Research Inc., Frederick National Laboratory for Cancer Research, Frederick, MD
| | - Marina A Dobrovolskaia
- Nanotechnology Characterization Laboratory, Cancer Research Technology Program, Leidos Biomedical Research Inc., Frederick National Laboratory for Cancer Research, Frederick, MD.
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47
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Patil RM, Thorat ND, Shete PB, Bedge PA, Gavde S, Joshi MG, Tofail SA, Bohara RA. Comprehensive cytotoxicity studies of superparamagnetic iron oxide nanoparticles. Biochem Biophys Rep 2018; 13:63-72. [PMID: 29349357 PMCID: PMC5766481 DOI: 10.1016/j.bbrep.2017.12.002] [Citation(s) in RCA: 94] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 12/07/2017] [Accepted: 12/11/2017] [Indexed: 11/20/2022] Open
Abstract
Recently lots of efforts have been taken to develop superparamagnetic iron oxide nanoparticles (SPIONs) for biomedical applications. So it is utmost necessary to have in depth knowledge of the toxicity occurred by this material. This article is designed in such way that it covers all the associated toxicity issues of SPIONs. It mainly emphasis on toxicity occurred at different levels including cellular alterations in the form of damage to nucleic acids due to oxidative stress and altered cellular response. In addition focus is been devoted for in vitro and in vivo toxicity of SPIONs, so that a better therapeutics can be designed. At the end the time dependent nature of toxicity and its ultimate faith inside the body is being discussed.
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Affiliation(s)
- Rakesh M. Patil
- Directorate of Forensic Science Laboratory, Govt. of Maharashtra Kalina, Mumbai, India
- Centre for Interdisciplinary Research, D.Y.Patil University, Kolhapur, India
| | - Nanasaheb D. Thorat
- Material and Surface Science Institute, Bernal Institute, University of Limerick, Ireland
| | - Prajkta B. Shete
- Centre for Interdisciplinary Research, D.Y.Patil University, Kolhapur, India
| | - Poonam A. Bedge
- Department of Stem Cells and Regenerative Medicine, D.Y.Patil University, Kolhapur, India
| | - Shambala Gavde
- Centre for Interdisciplinary Research, D.Y.Patil University, Kolhapur, India
| | - Meghnad G. Joshi
- Department of Stem Cells and Regenerative Medicine, D.Y.Patil University, Kolhapur, India
| | - Syed A.M. Tofail
- Material and Surface Science Institute, Bernal Institute, University of Limerick, Ireland
| | - Raghvendra A. Bohara
- Centre for Interdisciplinary Research, D.Y.Patil University, Kolhapur, India
- Department of Stem Cells and Regenerative Medicine, D.Y.Patil University, Kolhapur, India
- Research and Innovations for Comprehensive Health (RICH), Cell D.Y.Patil University, Kolhapur, India
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48
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Titma T. The effect of surface charge and pH on the physiological behaviour of cobalt, copper, manganese, antimony, zinc and titanium oxide nanoparticles in vitro. Toxicol In Vitro 2018; 50:11-21. [PMID: 29458085 DOI: 10.1016/j.tiv.2018.02.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2017] [Revised: 11/23/2017] [Accepted: 02/15/2018] [Indexed: 01/08/2023]
Abstract
The precise knowledge on various interactions of metal nanoparticles (NP) in a living organism is scarce. It is expected that metals can bind to nucleic acids, peptides and proteins (e.g. enzymes), and modify the functioning of vital cellular compartments after entering the organism. The predictive factors for quantitative nanostructure-activity relationship (QNAR) analysis could enhance efficient and harmless usage of nanoparticles (NPs) in the industry as well in the medicine. The studies value the composition of the NP corona determined by time, temperature and source of protein which has been found to implicate the physiological behaviour of NPs. One has largely been ignored: the NPs specific isoelectric point (IEP) and pH at the state of measurement. Herein, this study investigates the effect of pH and surface charge of six metal oxide (MeOx) NPs on time dependency of cytotoxicity. Several aspects of the characterization of ultrafine particles in the actual test system which is the most relevant for the interpretation of the toxicological data are referred: (i) the difference of pH in the room temperature and in the incubation conditions (ii) the difference of dispersions in MilliQ and complete cell media; (iii) the need to exemplify also the pH and isoelectric point when the hydrodynamic size is measured; (iv) the importance of time due to the time-dependent equilibration and changes of NPs corona. The surface charge determines the formation of corona and could be modified by pH. MeOx NPs without fully charge equilibrated corona might play the main role of MeOx NPs entering into the cell and consequently the time dependent manifestation of the cellular effect.
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Affiliation(s)
- Tiina Titma
- Department of Health Technologies, School of Information Technologies, Tallinn University of Technology, Tallinn, Estonia.
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49
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Fagali NS, Grillo CA, Puntarulo S, Fernández Lorenzo de Mele MA. Is there any difference in the biological impact of soluble and insoluble degradation products of iron-containing biomaterials? Colloids Surf B Biointerfaces 2017; 160:238-246. [DOI: 10.1016/j.colsurfb.2017.09.032] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Revised: 09/08/2017] [Accepted: 09/12/2017] [Indexed: 10/24/2022]
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50
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Ceballos-Alcantarilla E, Abad-Somovilla A, Agulló C, Abad-Fuentes A, Mercader JV. Protein-Free Hapten-Carbon Nanotube Constructs Induce the Secondary Immune Response. Bioconjug Chem 2017; 28:1630-1638. [PMID: 28598600 DOI: 10.1021/acs.bioconjchem.6b00653] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Carbon nanotubes are novel technological tools with multiple applications. The interaction between such nanoparticles and living organisms is nowadays a matter of keen research by academic and private institutions. In this study, carbon nanotube constructs were investigated as delivery vehicles for immunostimulation and induction of the secondary immune response to a small organic molecule, namely, a hapten. Two types of nanoconstructs were prepared: on one hand, carbon nanotubes carrying a protein bioconjugate of a hapten covalently linked to the carbon surface, and on the other hand, covalent carbon nanotube constructs of the same model chemical compound without the carrier protein. Nanotube vehicles carrying a hapten-protein bioconjugate were demonstrated to stimulate the immune system and to induce a strong primary immune response against the hapten with as low as 0.1 μg of the model chemical. The influence of the different elements of those nanoconstructs over the immune response was investigated to better understand the molecular mechanisms that are involved. As expected, the presence of the carrier protein was shown to be necessary in order to trigger the immune response. Interestingly, we found that a remarkable secondary immune response to the model organic compound occurred in the absence of a carrier protein. Additionally, a satisfactory adjuvant effect of carbon nanotubes was observed and a potent immune response was elicited without employing an oil-based adjuvant.
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Affiliation(s)
- Eric Ceballos-Alcantarilla
- Department of Organic Chemistry, Universitat de València , Doctor Moliner 50, 46100 Burjassot, València, Spain
| | - Antonio Abad-Somovilla
- Department of Organic Chemistry, Universitat de València , Doctor Moliner 50, 46100 Burjassot, València, Spain
| | - Consuelo Agulló
- Department of Organic Chemistry, Universitat de València , Doctor Moliner 50, 46100 Burjassot, València, Spain
| | - Antonio Abad-Fuentes
- Department of Biotechnology, Institute of Agrochemistry and Food Technology (IATA), Spanish National Research Council (CSIC) , Agustí Escardino 7, 46980 Paterna, València, Spain
| | - Josep V Mercader
- Department of Biotechnology, Institute of Agrochemistry and Food Technology (IATA), Spanish National Research Council (CSIC) , Agustí Escardino 7, 46980 Paterna, València, Spain
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