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Farokh Payam A, Passian A. Imaging beyond the surface region: Probing hidden materials via atomic force microscopy. SCIENCE ADVANCES 2023; 9:eadg8292. [PMID: 37379392 DOI: 10.1126/sciadv.adg8292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Accepted: 05/24/2023] [Indexed: 06/30/2023]
Abstract
Probing material properties at surfaces down to the single-particle scale of atoms and molecules has been achieved, but high-resolution subsurface imaging remains a nanometrology challenge due to electromagnetic and acoustic dispersion and diffraction. The atomically sharp probe used in scanning probe microscopy (SPM) has broken these limits at surfaces. Subsurface imaging is possible under certain physical, chemical, electrical, and thermal gradients present in the material. Of all the SPM techniques, atomic force microscopy has entertained unique opportunities for nondestructive and label-free measurements. Here, we explore the physics of the subsurface imaging problem and the emerging solutions that offer exceptional potential for visualization. We discuss materials science, electronics, biology, polymer and composite sciences, and emerging quantum sensing and quantum bio-imaging applications. The perspectives and prospects of subsurface techniques are presented to stimulate further work toward enabling noninvasive high spatial and spectral resolution investigation of materials including meta- and quantum materials.
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Affiliation(s)
- Amir Farokh Payam
- Nanotechnology and Integrated Bioengineering Centre, School of Engineering, Ulster University, Belfast, UK
| | - Ali Passian
- Quantum Computing and Sensing, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA
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2
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Bi J, Mo C, Li S, Huang M, Lin Y, Yuan P, Liu Z, Jia B, Xu S. Immunotoxicity of metal and metal oxide nanoparticles: from toxic mechanisms to metabolism and outcomes. Biomater Sci 2023. [PMID: 37161951 DOI: 10.1039/d3bm00271c] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
The influence of metal and metal oxide nanomaterials on various fields since their discovery has been remarkable. They have unique properties, and therefore, have been employed in specific applications, including biomedicine. However, their potential health risks cannot be ignored. Several studies have shown that exposure to metal and metal oxide nanoparticles can lead to immunotoxicity. Different types of metals and metal oxide nanoparticles may have a negative impact on the immune system through various mechanisms, such as inflammation, oxidative stress, autophagy, and apoptosis. As an essential factor in determining the function and fate of immune cells, immunometabolism may also be an essential target for these nanoparticles to exert immunotoxic effects in vivo. In addition, the biodegradation and metabolic outcomes of metal and metal oxide nanoparticles are also important considerations in assessing their immunotoxic effects. Herein, we focus on the cellular mechanism of the immunotoxic effects and toxic effects of different types of metal and metal oxide nanoparticles, as well as the metabolism and outcomes of these nanoparticles in vivo. Also, we discuss the relationship between the possible regulatory effect of nanoparticles on immunometabolism and their immunotoxic effects. Finally, we present perspectives on the future research and development direction of metal and metal oxide nanomaterials to promote scientific research on the health risks of nanomaterials and reduce their adverse effects on human health.
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Affiliation(s)
- Jiaming Bi
- Department of Endodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China.
| | - Chuzi Mo
- Department of Endodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China.
| | - Siwei Li
- Department of Endodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China.
| | - Mingshu Huang
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China.
| | - Yunhe Lin
- Department of Endodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China.
| | - Peiyan Yuan
- Department of Endodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China.
| | - Zhongjun Liu
- Department of Endodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China.
| | - Bo Jia
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China.
| | - Shuaimei Xu
- Department of Endodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China.
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Mikelashvili V, Kekutia S, Markhulia J, Saneblidze L, Maisuradze N, Kriechbaum M, Almásy L. Synthesis and Characterization of Citric Acid-Modified Iron Oxide Nanoparticles Prepared with Electrohydraulic Discharge Treatment. MATERIALS (BASEL, SWITZERLAND) 2023; 16:746. [PMID: 36676484 PMCID: PMC9862667 DOI: 10.3390/ma16020746] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 12/28/2022] [Accepted: 01/07/2023] [Indexed: 06/17/2023]
Abstract
Chemical co-precipitation from ferrous and ferric salts at a 1:1.9 stoichiometric ratio in NH4OH base with ultrasonication (sonolysis) in a low vacuum environment has been used for obtaining colloidal suspensions of Fe3O4 nanoparticles coated with citric acid. Before coating, the nanoparticles were processed by electrohydraulic discharges with a high discharge current (several tens of amperes) in a water medium using a pulsed direct current. Magnetite nanoparticles were obtained with an average crystallite diameter D = 25-28 nm as obtained by XRD and particle sizes of 25 nm as measured by small-angle X-ray scattering. Magnetometry showed that all samples were superparamagnetic. The saturation magnetization for the citric acid covered samples after electrohydraulic processing showed higher value (58 emu/g) than for the directly coated samples (50 emu/g). Ultraviolet-visible spectroscopy and Fourier transform infrared spectroscopy showed the presence and binding of citric acid to the magnetite surface by chemisorption of carboxylate ions. Hydrodynamic sizes obtained from DLS and zeta potentials were 93 and 115 nm, -26 and -32 mV for the citric acid covered nanoparticles and 226 nm and 21 mV for the bare nanoparticles, respectively. The hydraulic discharge treatment resulted in a higher citric acid coverage and better particle dispersion. The developed method can be used in nanoparticle synthesis for biomedical applications.
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Affiliation(s)
- Vladimer Mikelashvili
- Nanocomposites Laboratory, Vladimer Chavchanidze Institute of Cybernetics of the Georgian Technical University, Z. Anjafaridze Str. 5, 0186 Tbilisi, Georgia
| | - Shalva Kekutia
- Nanocomposites Laboratory, Vladimer Chavchanidze Institute of Cybernetics of the Georgian Technical University, Z. Anjafaridze Str. 5, 0186 Tbilisi, Georgia
| | - Jano Markhulia
- Nanocomposites Laboratory, Vladimer Chavchanidze Institute of Cybernetics of the Georgian Technical University, Z. Anjafaridze Str. 5, 0186 Tbilisi, Georgia
| | - Liana Saneblidze
- Nanocomposites Laboratory, Vladimer Chavchanidze Institute of Cybernetics of the Georgian Technical University, Z. Anjafaridze Str. 5, 0186 Tbilisi, Georgia
| | - Nino Maisuradze
- Nanocomposites Laboratory, Vladimer Chavchanidze Institute of Cybernetics of the Georgian Technical University, Z. Anjafaridze Str. 5, 0186 Tbilisi, Georgia
| | - Manfred Kriechbaum
- Institute of Inorganic Chemistry, Graz University of Technology, Stremayrgasse 9/5, A-8010 Graz, Austria
| | - László Almásy
- Research Institute for Energy Security and Environmental Safety, Centre for Energy Research, Konkoly-Thege Miklós Str. 29-33, 1121 Budapest, Hungary
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Gabashvili AN, Efremova MV, Vodopyanov SS, Chmelyuk NS, Oda VV, Sarkisova VA, Leonova MK, Semkina AS, Ivanova AV, Abakumov MA. New Approach to Non-Invasive Tumor Model Monitoring via Self-Assemble Iron Containing Protein Nanocompartments. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:1657. [PMID: 35630878 PMCID: PMC9145190 DOI: 10.3390/nano12101657] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 04/29/2022] [Accepted: 05/09/2022] [Indexed: 02/04/2023]
Abstract
According to the World Health Organization, breast cancer is the most common oncological disease worldwide. There are multiple animal models for different types of breast carcinoma, allowing the research of tumor growth, metastasis, and angiogenesis. When studying these processes, it is crucial to visualize cancer cells for a prolonged time via a non-invasive method, for example, magnetic resonance imaging (MRI). In this study, we establish a new genetically encoded material based on Quasibacillus thermotolerans (Q.thermotolerans, Qt) encapsulin, stably expressed in mouse 4T1 breast carcinoma cells. The label consists of a protein shell containing an enzyme called ferroxidase. When adding Fe2+, a ferroxidase oxidizes Fe2+ to Fe3+, followed by iron oxide nanoparticles formation. Additionally, genes encoding mZip14 metal transporter, enhancing the iron transport, were inserted into the cells via lentiviral transduction. The expression of transgenic sequences does not affect cell viability, and the presence of magnetic nanoparticles formed inside encapsulins results in an increase in T2 relaxivity.
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Affiliation(s)
- Anna N. Gabashvili
- Laboratory “Biomedical Nanomaterials”, National University of Science and Technology “MISiS”, Leninskiy Prospect, 4, 119049 Moscow, Russia; (A.N.G.); (S.S.V.); (N.S.C.); (V.V.O.); (M.K.L.); (A.V.I.)
- Transplantation Immunology Laboratory, Biomedical Technology Department, National Medical Research Center for Hematology, Novy Zykovsky Drive, 4A, 125167 Moscow, Russia
| | - Maria V. Efremova
- Department of Chemistry and TUM School of Medicine, Technical University of Munich, Ismaninger Str. 22, 81675 Munich, Germany;
- Institute for Synthetic Biomedicine, Helmholtz Zentrum München GmbH, Ingolstaedter Landstr. 1, 85764 Neuherberg, Germany
- Department of Applied Physics, Eindhoven University of Technology, Cascade P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Stepan S. Vodopyanov
- Laboratory “Biomedical Nanomaterials”, National University of Science and Technology “MISiS”, Leninskiy Prospect, 4, 119049 Moscow, Russia; (A.N.G.); (S.S.V.); (N.S.C.); (V.V.O.); (M.K.L.); (A.V.I.)
- Biology Faculty, Lomonosov Moscow State University, Leninskiy Gory, 119234 Moscow, Russia;
| | - Nelly S. Chmelyuk
- Laboratory “Biomedical Nanomaterials”, National University of Science and Technology “MISiS”, Leninskiy Prospect, 4, 119049 Moscow, Russia; (A.N.G.); (S.S.V.); (N.S.C.); (V.V.O.); (M.K.L.); (A.V.I.)
- Department of Medical Nanobiotechnology, Pirogov Russian National Research Medical University, Ostrovityanova St., 1, 117997 Moscow, Russia;
| | - Vera V. Oda
- Laboratory “Biomedical Nanomaterials”, National University of Science and Technology “MISiS”, Leninskiy Prospect, 4, 119049 Moscow, Russia; (A.N.G.); (S.S.V.); (N.S.C.); (V.V.O.); (M.K.L.); (A.V.I.)
| | - Viktoria A. Sarkisova
- Biology Faculty, Lomonosov Moscow State University, Leninskiy Gory, 119234 Moscow, Russia;
- Cell Proliferation Laboratory, Engelhardt Institute of Molecular Biology, Vavilova Street, 32, 119991 Moscow, Russia
| | - Maria K. Leonova
- Laboratory “Biomedical Nanomaterials”, National University of Science and Technology “MISiS”, Leninskiy Prospect, 4, 119049 Moscow, Russia; (A.N.G.); (S.S.V.); (N.S.C.); (V.V.O.); (M.K.L.); (A.V.I.)
| | - Alevtina S. Semkina
- Department of Medical Nanobiotechnology, Pirogov Russian National Research Medical University, Ostrovityanova St., 1, 117997 Moscow, Russia;
- Department of Basic and Applied Neurobiology, Serbsky National Medical Research Center for Psychiatry and Narcology, Kropotkinskiy Per. 23, 119991 Moscow, Russia
| | - Anna V. Ivanova
- Laboratory “Biomedical Nanomaterials”, National University of Science and Technology “MISiS”, Leninskiy Prospect, 4, 119049 Moscow, Russia; (A.N.G.); (S.S.V.); (N.S.C.); (V.V.O.); (M.K.L.); (A.V.I.)
| | - Maxim A. Abakumov
- Laboratory “Biomedical Nanomaterials”, National University of Science and Technology “MISiS”, Leninskiy Prospect, 4, 119049 Moscow, Russia; (A.N.G.); (S.S.V.); (N.S.C.); (V.V.O.); (M.K.L.); (A.V.I.)
- Department of Medical Nanobiotechnology, Pirogov Russian National Research Medical University, Ostrovityanova St., 1, 117997 Moscow, Russia;
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Synytsia A, Sych O, Iatsenko A, Babutina T, Tomila T, Bykov O, Olifan O, Lobunets T, Perekos A, Boshytska N. Effect of type and parameters of synthesis on the properties of magnetite nanoparticles. APPLIED NANOSCIENCE 2022. [DOI: 10.1007/s13204-021-01797-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Guha T, Mukherjee A, Kundu R. Nano-Scale Zero Valent Iron (nZVI) Priming Enhances Yield, Alters Mineral Distribution and Grain Nutrient Content of Oryza sativa L. cv. Gobindobhog: A Field Study. JOURNAL OF PLANT GROWTH REGULATION 2022; 41:710-733. [PMID: 33649694 PMCID: PMC7905201 DOI: 10.1007/s00344-021-10335-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Accepted: 02/04/2021] [Indexed: 05/04/2023]
Abstract
UNLABELLED In recent decades, nano-scale zero valent iron is reported to have plant growth enhancement capacity under laboratory conditions, but till date, there is no report to highlight its effect on the growth and yield of field-grown plants. In this study, we have evaluated the potential of nZVI priming on rice yield. A two-year field study has been conducted with different concentrations (10, 20, 40, and 80 mg l-1) of nZVI for seed priming. The efficacy of nanopriming was compared with the hydroprimed control set. Seeds were treated for 72 h and sown in nursery beds and after 30 days seedlings were transplanted in the field. Root anatomy and morphology were studied in 7 days old seedlings where no changes were found. RAPD analysis also confirmed that low doses of nZVI were not genotoxic. Nanoprimed plants also had broader leaves, higher growth, biomass, and tiller number than control plants. Maximum yield was obtained from the 20 mg l-1 nZVI primed set (3.8 fold higher than untreated control) which is achieved primarily because of the increase in fertile tiller numbers (two fold higher than untreated control). Higher values of other agronomic parameters like growth rate, net assimilation rate proved that nZVI priming enhanced photosynthetic efficiency and helped in the proper storage of photo-assimilates. All these attributed to increased accumulation of phytochemicals like starch, soluble sugar, protein, lipid, phenol, riboflavin, thiamine, and ascorbic acid in the grains. The elemental analysis confirmed that nZVI priming also promoted higher accumulations of macro and micronutrients in grains. Thus, nanoprimed seeds showed better crop performance compared to the traditional hydropimed seeds. Hence, nZVI can be considered as 'pro-fertilizer' and can be used commercially as a seed treatment agent which is capable of boosting plant growth and yield along with minimum interference to the soil ecosystem. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s00344-021-10335-0.
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Affiliation(s)
- Titir Guha
- Centre of Advanced Study, Department of Botany, Calcutta University, 35, Ballygange Circular Road, Kolkata, 700019 India
| | - Amitava Mukherjee
- Centre for Nanobiotechnology, Vellore Institute of Technology, Vellore, Tamil Nadu 632 014 India
| | - Rita Kundu
- Centre of Advanced Study, Department of Botany, Calcutta University, 35, Ballygange Circular Road, Kolkata, 700019 India
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Lan HR, Wu ZQ, Zhang LH, Jin KT, Wang SB. Nanotechnology Assisted Chemotherapy for Targeted Cancer Treatment: Recent Advances and Clinical Perspectives. Curr Top Med Chem 2021; 20:2442-2458. [PMID: 32703133 DOI: 10.2174/1568026620666200722110808] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 11/05/2019] [Accepted: 12/20/2019] [Indexed: 12/30/2022]
Abstract
Nanotechnology has recently provided exciting platforms in the field of anticancer research with promising potentials for improving drug delivery efficacy and treatment outcomes. Nanoparticles (NPs) possess different advantages over the micro and bulk therapeutic agents, including their capability to carry high payloads of drugs, with prolonged half-life, reduced toxicity of the drugs, and increased targeting efficiency. The wide variety of nanovectors, coupled with different conjugation and encapsulation methods available for different theranostic agents provide promising opportunities to fine-tune the pharmacological properties of these agents for more effective cancer treatment methods. This review discusses applications of NPs-assisted chemotherapy in preclinical and clinical settings and recent advances in design and synthesis of different nanocarriers for chemotherapeutic agents. Moreover, physicochemical properties of different nanocarriers, their impacts on different tumor targeting strategies and effective parameters for efficient targeted drug delivery are discussed. Finally, the current approved NPs-assisted chemotherapeutic agents for clinical applications and under different phases of clinical trials are discussed.
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Affiliation(s)
- Huan-Rong Lan
- Department of Breast and Thyroid Surgery, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing, 312000, Zhejiang Province, China
| | - Zhi-Qiang Wu
- Department of Pharmacy, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou 310014, Zhejiang Province, China
| | - Li-Hua Zhang
- Department of Colorectal Surgery, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing, 312000, Zhejiang Province, China
| | - Ke-Tao Jin
- Department of Colorectal Surgery, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing, 312000, Zhejiang Province, China
| | - Shi-Bing Wang
- Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou 310014, China
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Guha T, Gopal G, Das H, Mukherjee A, Kundu R. Nanopriming with zero-valent iron synthesized using pomegranate peel waste: A "green" approach for yield enhancement in Oryza sativa L. cv. Gonindobhog. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2021; 163:261-275. [PMID: 33872831 DOI: 10.1016/j.plaphy.2021.04.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 04/06/2021] [Indexed: 05/02/2023]
Abstract
Nanopriming is a combination of nanoparticle treatment and a seed dressing technique that can increase seed quality, seedling vigour, yield and also imparts tolerance against biotic and abiotic stress. Here, nano-scale zero-valent iron (G-nZVI) was synthesized using fruit peel waste of Punica granatum L and their formation was validated from XRD and optical spectroscopic techniques. Later, the seeds were primed with G-nZVI at six different concentrations (0, 10, 20, 40, 80, and 160 mg L -1) to determine the dose which is optimum for increasing germination percentage and seedling vigour of rice (Oryza sativa L. cv. Gobindobhog). According to initial results, upon priming seeds with 40-80 mg L -1 G-nZVI highest growth rate was found. The early growth enhancement of seedlings was chiefly attributed to increased ROS generation, higher hydrolytic enzyme activities, and increased iron uptake in germinating seeds upon nanopriming. The effects of nanopriming were carried over to later stages of development. A field experiment was carried out where nanoprimed seeds and traditional hydroprimed control seeds were sown in plots and grown till maturity without the aid of any conventional fertilizers and pesticides and it was found that crop yield and grain nutrient concentrations were higher in nanoprimed sets. Compared to control hydroprimed sets, 1.53 folds higher crop yield was observed upon seed priming with 80 mg L -1 G-nZVI. Thus in the future, G-nZVI can be considered to be a novel low-cost, eco-friendly, food waste-derived seed treatment agent that has immense potential in increasing rice yield.
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Affiliation(s)
- Titir Guha
- Centre of Advanced Study, Department of Botany, Calcutta University, 35, Ballygange Circular Road, Kolkata-19, India
| | - Geetha Gopal
- Centre for Nanobiotechnology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632 014, India
| | - Hrimeeka Das
- Centre of Advanced Study, Department of Botany, Calcutta University, 35, Ballygange Circular Road, Kolkata-19, India
| | - Amitava Mukherjee
- Centre for Nanobiotechnology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632 014, India.
| | - Rita Kundu
- Centre of Advanced Study, Department of Botany, Calcutta University, 35, Ballygange Circular Road, Kolkata-19, India.
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Treatment of Breast Cancer-Bearing BALB/c Mice with Magnetic Hyperthermia using Dendrimer Functionalized Iron-Oxide Nanoparticles. NANOMATERIALS 2020; 10:nano10112310. [PMID: 33266461 PMCID: PMC7700443 DOI: 10.3390/nano10112310] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 11/14/2020] [Accepted: 11/20/2020] [Indexed: 12/24/2022]
Abstract
The development of novel nanoparticles for diagnostic and therapeutic applications has been one of the most crucial challenges in cancer theranostics for the last decades. Herein, we functionalized iron oxide nanoparticles (IONPs) with the fourth generation (G4) of poly amidoamine (PAMAM) dendrimers (G4@IONPs) for magnetic hyperthermia treatment of breast cancer in Bagg albino strain C (BALB/c)mice. The survival of breast cancer cells significantly decreased after incubation with G4@IONPs and exposure to an alternating magnetic field (AMF) due to apoptosis and elevation of Bax (Bcl-2 associated X)/Bcl-2(B-cell lymphoma 2) ratio. After intratumoral injection of G4@IONPs, tumor-bearing BALB/c mice were exposed to AMF for 20 min; this procedure was repeated three times every other day. After the last treatment, tumor size was measured every three days. Histopathological and Immunohistochemical studies were performed on the liver, lung, and tumor tissues in treated and control mice. The results did not show any metastatic cells in the liver and lung tissues in the treatment group, while the control mice tissues contained metastatic breast cancer cells. Furthermore, the findings of the present study showed that magnetic hyperthermia treatment inhibited tumor growth by increasing cancer cell apoptosis, as well as reducing the tumor angiogenesis.
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Guggenheim EJ, Rappoport JZ, Lynch I. Mechanisms for cellular uptake of nanosized clinical MRI contrast agents. Nanotoxicology 2020; 14:504-532. [PMID: 32037933 DOI: 10.1080/17435390.2019.1698779] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Engineered Nanomaterials (NMs), such as Superparamagnetic Iron Oxide Nanoparticles (SPIONs), offer significant benefits in a wide range of applications, including cancer diagnostic and therapeutic strategies. However, the use of NMs in biomedicine raises safety concerns due to lack of knowledge on possible biological interactions and effects. The initial basis for using SPIONs as biomedical MRI contrast enhancement agents was the idea that they are selectively taken up by macrophage cells, and not by the surrounding cancer cells. To investigate this claim, we analyzed the uptake of SPIONs into well-established cancer cell models and benchmarked this against a common macrophage cell model. In combination with fluorescent labeling of compartments and siRNA silencing of various proteins involved in common endocytic pathways, the mechanisms of internalization of SPIONs in these cell types has been ascertained utilizing reflectance confocal microscopy. Caveolar mediated endocytosis and macropinocytosis are both implicated in SPION uptake into cancer cells, whereas in macrophage cells, a clathrin-dependant route appears to predominate. Colocalization studies confirmed the eventual fate of SPIONs as accumulation in the degradative lysosomes. Dissolution of the SPIONs within the lysosomal environment has also been determined, allowing a fuller understanding of the cellular interactions, uptake, trafficking and effects of SPIONs within a variety of cancer cells and macrophages. Overall, the behavior of SPIONS in non-phagocytotic cell lines is broadly similar to that in the specialist macrophage cells, although some differences in the uptake patterns are apparent.
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Affiliation(s)
- Emily J Guggenheim
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham, UK
| | - Joshua Z Rappoport
- Center for Advanced Microscopy, and Nikon Imaging Center, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA.,Core Technologies for Life Sciences, Boston College, MA, USA
| | - Iseult Lynch
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham, UK
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11
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Kerans FFA, Lungaro L, Azfer A, Salter DM. The Potential of Intrinsically Magnetic Mesenchymal Stem Cells for Tissue Engineering. Int J Mol Sci 2018; 19:E3159. [PMID: 30322202 PMCID: PMC6214112 DOI: 10.3390/ijms19103159] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Revised: 10/04/2018] [Accepted: 10/09/2018] [Indexed: 12/16/2022] Open
Abstract
The magnetization of mesenchymal stem cells (MSC) has the potential to aid tissue engineering approaches by allowing tracking, targeting, and local retention of cells at the site of tissue damage. Commonly used methods for magnetizing cells include optimizing uptake and retention of superparamagnetic iron oxide nanoparticles (SPIONs). These appear to have minimal detrimental effects on the use of MSC function as assessed by in vitro assays. The cellular content of magnetic nanoparticles (MNPs) will, however, decrease with cell proliferation and the longer-term effects on MSC function are not entirely clear. An alternative approach to magnetizing MSCs involves genetic modification by transfection with one or more genes derived from Magnetospirillum magneticum AMB-1, a magnetotactic bacterium that synthesizes single-magnetic domain crystals which are incorporated into magnetosomes. MSCs with either or mms6 and mmsF genes are followed by bio-assimilated synthesis of intracytoplasmic magnetic nanoparticles which can be imaged by magnetic resonance (MR) and which have no deleterious effects on MSC proliferation, migration, or differentiation. The stable transfection of magnetosome-associated genes in MSCs promotes assimilation of magnetic nanoparticle synthesis into mammalian cells with the potential to allow MR-based cell tracking and, through external or internal magnetic targeting approaches, enhanced site-specific retention of cells for tissue engineering.
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Affiliation(s)
- Fransiscus F A Kerans
- Centre for Genomics and Experimental Medicine, MRC IGMM, University of Edinburgh, Edinburgh EH4 2XU, UK.
| | - Lisa Lungaro
- Centre for Genomics and Experimental Medicine, MRC IGMM, University of Edinburgh, Edinburgh EH4 2XU, UK.
| | - Asim Azfer
- Centre for Genomics and Experimental Medicine, MRC IGMM, University of Edinburgh, Edinburgh EH4 2XU, UK.
| | - Donald M Salter
- Centre for Genomics and Experimental Medicine, MRC IGMM, University of Edinburgh, Edinburgh EH4 2XU, UK.
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12
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Komati R, Mitchell CA, LeBeaud A, Do H, Goloverda GZ, Kolesnichenko VL. Tenacic Acids: A New Class of Tenacious Binders to Metal Oxide Surfaces. Chemistry 2018; 24:14824-14829. [PMID: 30076653 PMCID: PMC6168372 DOI: 10.1002/chem.201803242] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 08/01/2018] [Indexed: 11/11/2022]
Abstract
The backbone of 2-hydroxyisophthalic acid was identified as a potential metal oxide anchor because of the perfect alignment of all three of its donor groups for binding to inorganic surfaces. It can therefore be used in the design of organic linkers for metal oxide based hybrid materials. Optimized and scalable methods for the synthesis of 2-hydroxyisophthalic acid (1) and its 5-substituted derivatives: 5-bromo- (2), 5-sulfooxy- (3), 5-hydroxy- (4), and 5-PEG600 (5) are presented. Dynamic light scattering (DLS) demonstrated that compound 2 inhibits Fe(OH)3 precipitation when FeIII aqueous solutions are titrated with NaOH, while similar titrations in the presence of the structurally-related isophthalic and salicylic acids, both missing the third donor group, show turbidity at pHs as low as 2.3 and 3.5, respectively. The adduct synthesized from 4.5 nm γ-Fe2 O3 nanoparticles and 5 is water-, alcohol- and CH2 Cl2 -soluble, and forms stable aqueous colloids in the pH range of 4.4-8.7. Moreover, at a pH close to neutral these colloids survive at 100 °C, demonstrating the high practicality of 2-hydroxyisophthalic acid for nanoparticulate inorganic/organic hybrid material design.
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Affiliation(s)
- Rajesh Komati
- Chemistry Department, Xavier University New Orleans, Louisiana 70125 (USA)
| | - Carl A. Mitchell
- Chemistry Department, Xavier University New Orleans, Louisiana 70125 (USA)
| | - Anastasia LeBeaud
- Chemistry Department, Xavier University New Orleans, Louisiana 70125 (USA)
| | - Huy Do
- Chemistry Department, Xavier University New Orleans, Louisiana 70125 (USA)
| | - Galina Z. Goloverda
- Chemistry Department, Xavier University New Orleans, Louisiana 70125 (USA), ,
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13
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Angeloni L, Reggente M, Passeri D, Natali M, Rossi M. Identification of nanoparticles and nanosystems in biological matrices with scanning probe microscopy. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2018; 10:e1521. [PMID: 29665287 DOI: 10.1002/wnan.1521] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Revised: 02/26/2018] [Accepted: 03/10/2018] [Indexed: 01/22/2023]
Abstract
Identification of nanoparticles and nanosystems into cells and biological matrices is a hot research topic in nanobiotechnologies. Because of their capability to map physical properties (mechanical, electric, magnetic, chemical, or optical), several scanning probe microscopy based techniques have been proposed for the subsurface detection of nanomaterials in biological systems. In particular, atomic force microscopy (AFM) can be used to reveal stiff nanoparticles in cells and other soft biomaterials by probing the sample mechanical properties through the acquisition of local indentation curves or through the combination of ultrasound-based methods, like contact resonance AFM (CR-AFM) or scanning near field ultrasound holography. Magnetic force microscopy can detect magnetic nanoparticles and other magnetic (bio)materials in nonmagnetic biological samples, while electric force microscopy, conductive AFM, and Kelvin probe force microscopy can reveal buried nanomaterials on the basis of the differences between their electric properties and those of the surrounding matrices. Finally, scanning near field optical microscopy and tip-enhanced Raman spectroscopy can visualize buried nanostructures on the basis of their optical and chemical properties. Despite at a still early stage, these methods are promising for detection of nanomaterials in biological systems as they could be truly noninvasive, would not require destructive and time-consuming specific sample preparation, could be performed in vitro, on alive samples and in water or physiological environment, and by continuously imaging the same sample could be used to dynamically monitor the diffusion paths and interaction mechanisms of nanomaterials into cells and biological systems. This article is categorized under: Diagnostic Tools > In Vivo Nanodiagnostics and Imaging Nanotechnology Approaches to Biology > Nanoscale Systems in Biology.
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Affiliation(s)
- Livia Angeloni
- Department of Basic and Applied Sciences for Engineering, Sapienza University of Rome, Rome, Italy
| | - Melania Reggente
- Department of Basic and Applied Sciences for Engineering, Sapienza University of Rome, Rome, Italy
| | - Daniele Passeri
- Department of Basic and Applied Sciences for Engineering, Sapienza University of Rome, Rome, Italy
| | - Marco Natali
- Department of Basic and Applied Sciences for Engineering, Sapienza University of Rome, Rome, Italy
| | - Marco Rossi
- Department of Basic and Applied Sciences for Engineering, Sapienza University of Rome, Rome, Italy.,Research Center for Nanotechnology Applied to Engineering of Sapienza University of Rome (CNIS), Rome, Italy
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14
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Batista Napotnik T, Miklavčič D. In vitro electroporation detection methods – An overview. Bioelectrochemistry 2018; 120:166-182. [DOI: 10.1016/j.bioelechem.2017.12.005] [Citation(s) in RCA: 109] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Revised: 12/11/2017] [Accepted: 12/11/2017] [Indexed: 12/22/2022]
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15
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A reliable protocol for colorimetric determination of iron oxide nanoparticle uptake by cells. Anal Bioanal Chem 2017; 409:6663-6675. [DOI: 10.1007/s00216-017-0622-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Revised: 07/28/2017] [Accepted: 09/02/2017] [Indexed: 12/25/2022]
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16
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Reggente M, Passeri D, Angeloni L, Scaramuzzo FA, Barteri M, De Angelis F, Persiconi I, De Stefano ME, Rossi M. Detection of stiff nanoparticles within cellular structures by contact resonance atomic force microscopy subsurface nanomechanical imaging. NANOSCALE 2017; 9:5671-5676. [PMID: 28422233 DOI: 10.1039/c7nr01111c] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Detecting stiff nanoparticles buried in soft biological matrices by atomic force microscopy (AFM) based techniques represents a new frontier in the field of scanning probe microscopies, originally developed as surface characterization methods. Here we report the detection of stiff (magnetic) nanoparticles (NPs) internalized in cells by using contact resonance AFM (CR-AFM) employed as a potentially non-destructive subsurface characterization tool. Magnetite (Fe3O4) NPs were internalized in microglial cells from cerebral cortices of mouse embryos of 18 days by phagocytosis. Nanomechanical imaging of cells was performed by detecting the contact resonance frequencies (CRFs) of an AFM cantilever held in contact with the sample. Agglomerates of NPs internalized in cells were visualized on the basis of the local increase in the contact stiffness with respect to the surrounding biological matrix. A second AFM-based technique for nanomechanical imaging, i.e., HarmoniX™, as well as magnetic force microscopy and light microscopy were used to confirm the CR-AFM results. Thus, CR-AFM was demonstrated as a promising technique for subsurface imaging of nanomaterials in biological samples.
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Affiliation(s)
- Melania Reggente
- Department of Basic and Applied Sciences for Engineering, SAPIENZA University of Rome, Rome, Italy.
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17
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Elfick A, Rischitor G, Mouras R, Azfer A, Lungaro L, Uhlarz M, Herrmannsdörfer T, Lucocq J, Gamal W, Bagnaninchi P, Semple S, Salter DM. Biosynthesis of magnetic nanoparticles by human mesenchymal stem cells following transfection with the magnetotactic bacterial gene mms6. Sci Rep 2017; 7:39755. [PMID: 28051139 PMCID: PMC5209691 DOI: 10.1038/srep39755] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2016] [Accepted: 11/28/2016] [Indexed: 12/23/2022] Open
Abstract
The use of stem cells to support tissue repair is facilitated by loading of the therapeutic cells with magnetic nanoparticles (MNPs) enabling magnetic tracking and targeting. Current methods for magnetizing cells use artificial MNPs and have disadvantages of variable uptake, cellular cytotoxicity and loss of nanoparticles on cell division. Here we demonstrate a transgenic approach to magnetize human mesenchymal stem cells (MSCs). MSCs are genetically modified by transfection with the mms6 gene derived from Magnetospirillum magneticum AMB-1, a magnetotactic bacterium that synthesises single-magnetic domain crystals which are incorporated into magnetosomes. Following transfection of MSCs with the mms6 gene there is bio-assimilated synthesis of intracytoplasmic magnetic nanoparticles which can be imaged by MR and which have no deleterious effects on cell proliferation, migration or differentiation. The assimilation of magnetic nanoparticle synthesis into mammalian cells creates a real and compelling, cytocompatible, alternative to exogenous administration of MNPs.
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Affiliation(s)
- Alistair Elfick
- University of Edinburgh, Institute for Bioengineering, School of Engineering, Edinburgh, EH9 3FB, UK
- University of Edinburgh, UK Centre for Mammalian Synthetic Biology, Edinburgh, EH9 3FB, UK
| | - Grigore Rischitor
- University of Edinburgh, Centre for Genomics and Experimental Medicine, MRC IGMM, Edinburgh, EH4 2XU, UK
| | - Rabah Mouras
- University of Edinburgh, Institute for Bioengineering, School of Engineering, Edinburgh, EH9 3FB, UK
| | - Asim Azfer
- University of Edinburgh, Centre for Genomics and Experimental Medicine, MRC IGMM, Edinburgh, EH4 2XU, UK
| | - Lisa Lungaro
- University of Edinburgh, Institute for Bioengineering, School of Engineering, Edinburgh, EH9 3FB, UK
- University of Edinburgh, Centre for Genomics and Experimental Medicine, MRC IGMM, Edinburgh, EH4 2XU, UK
| | - Marc Uhlarz
- Helmholtz-Zentrum Dresden-Rossendorf, Dresden High Magnetic Field Laboratory (HLD-EMFL), Dresden, 01328, Germany
| | - Thomas Herrmannsdörfer
- Helmholtz-Zentrum Dresden-Rossendorf, Dresden High Magnetic Field Laboratory (HLD-EMFL), Dresden, 01328, Germany
| | - John Lucocq
- University of St Andrews, School of Medicine, St Andrews, KY16 9TF, UK
| | - Wesam Gamal
- University of Edinburgh, Centre for Regenerative Medicine, Edinburgh, EH16 4UU, UK
| | - Pierre Bagnaninchi
- University of Edinburgh, Centre for Regenerative Medicine, Edinburgh, EH16 4UU, UK
| | - Scott Semple
- University of Edinburgh, Centre for Cardiovascular Science, Edinburgh, EH16 4TJ UK
| | - Donald M Salter
- University of Edinburgh, Centre for Genomics and Experimental Medicine, MRC IGMM, Edinburgh, EH4 2XU, UK
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18
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Oh Y, Lee N, Kang HW, Oh J. In vitro study on apoptotic cell death by effective magnetic hyperthermia with chitosan-coated MnFe₂O₄. NANOTECHNOLOGY 2016; 27:115101. [PMID: 26871973 DOI: 10.1088/0957-4484/27/11/115101] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Magnetic nanoparticles (MNPs) have been widely investigated as a hyperthermic agent for cancer treatment. In this study, thermally responsive Chitosan-coated MnFe2O4 (Chitosan-MnFe2O4) nanoparticles were developed to conduct localized magnetic hyperthermia for cancer treatment. Hydrophobic MnFe2O4 nanoparticles were synthesized via thermal decomposition and modified with 2,3-dimercaptosuccinic acid (DMSA) for further conjugation of chitosan. Chitosan-MnFe2O4 nanoparticles exhibited high magnetization and excellent biocompatibility along with low cell cytotoxicity. During magnetic hyperthermia treatment (MHT) with Chitosan-MnFe2O4 on MDA-MB 231 cancer cells, the targeted therapeutic temperature was achieved by directly controlling the strength of the external AC magnetic fields. In vitro Chitosan-MnFe2O4-assisted MHT at 42 °C led to drastic and irreversible changes in cell morphology and eventual cellular death in association with the induction of apoptosis through heat dissipation from the excited magnetic nanoparticles. Therefore, the Chitosan-MnFe2O4 nanoparticles with high biocompatibility and thermal capability can be an effective nano-mediated agent for MHT on cancer.
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Affiliation(s)
- Yunok Oh
- Center for Marine-integrated Biotechnology program (BK21 Plus), Pukyong National University, Busan, 48547, Korea
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19
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Sillerud LO. Quantitative [Fe]MRI of PSMA-targeted SPIONs specifically discriminates among prostate tumor cell types based on their PSMA expression levels. Int J Nanomedicine 2016; 11:357-71. [PMID: 26855574 PMCID: PMC4725637 DOI: 10.2147/ijn.s93409] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
We report the development, experimental verification, and application of a general theory called [Fe]MRI (pronounced fem-ree) for the non-invasive, quantitative molecular magnetic resonance imaging (MRI) of added magnetic nanoparticles or other magnetic contrast agents in biological tissues and other sites. [Fe]MRI can easily be implemented on any MRI instrument, requiring only measurements of the background nuclear magnetic relaxation times (T1, T2) of the tissue of interest, injection of the magnetic particles, and the subsequent acquisition of a pair of T1-weighted and T2-weighted images. These images, converted into contrast images, are subtracted to yield a contrast difference image proportional to the absolute nanoparticle, iron concentration, ([Fe]) image. [Fe]MRI was validated with the samples of superparamagnetic iron oxide nanoparticles (SPIONs) both in agarose gels and bound to human prostate tumor cells. The [Fe]MRI measurement of the binding of anti-prostate specific membrane antigen (PSMA) conjugated SPIONs to PSMA-positive LNCaP and PSMA-negative DU145 cells in vitro allowed a facile discrimination among prostate tumor cell types based on their PSMA expression level. The low [Fe] detection limit of ~2 μM for SPIONs allows sensitive MRI of added iron at concentrations considerably below the US Food and Drug Administration’s human iron dosage guidelines (<90 μM, 5 mg/kg).
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Affiliation(s)
- Laurel O Sillerud
- BRaIN Center, Department of Neurology, University of New Mexico School of Medicine, Albuquerque, NM, USA
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20
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Ocampo SM, Rodriguez V, de la Cueva L, Salas G, Carrascosa JL, Josefa Rodríguez M, García-Romero N, Cuñado JLF, Camarero J, Miranda R, Belda-Iniesta C, Ayuso-Sacido A. g-force induced giant efficiency of nanoparticles internalization into living cells. Sci Rep 2015; 5:15160. [PMID: 26477718 PMCID: PMC4609925 DOI: 10.1038/srep15160] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2015] [Accepted: 09/16/2015] [Indexed: 01/20/2023] Open
Abstract
Nanotechnology plays an increasingly important role in the biomedical arena. Iron oxide nanoparticles (IONPs)-labelled cells is one of the most promising approaches for a fast and reliable evaluation of grafted cells in both preclinical studies and clinical trials. Current procedures to label living cells with IONPs are based on direct incubation or physical approaches based on magnetic or electrical fields, which always display very low cellular uptake efficiencies. Here we show that centrifugation-mediated internalization (CMI) promotes a high uptake of IONPs in glioblastoma tumour cells, just in a few minutes, and via clathrin-independent endocytosis pathway. CMI results in controllable cellular uptake efficiencies at least three orders of magnitude larger than current procedures. Similar trends are found in human mesenchymal stem cells, thereby demonstrating the general feasibility of the methodology, which is easily transferable to any laboratory with great potential for the development of improved biomedical applications.
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Affiliation(s)
- Sandra M Ocampo
- Instituto Madrileño de Estudios Avanzados, IMDEA Nanociencia. Madrid, Spain
| | - Vanessa Rodriguez
- Instituto Madrileño de Estudios Avanzados, IMDEA Nanociencia. Madrid, Spain
| | - Leonor de la Cueva
- Instituto Madrileño de Estudios Avanzados, IMDEA Nanociencia. Madrid, Spain
| | - Gorka Salas
- Instituto Madrileño de Estudios Avanzados, IMDEA Nanociencia. Madrid, Spain
| | - Jose L Carrascosa
- Instituto Madrileño de Estudios Avanzados, IMDEA Nanociencia. Madrid, Spain.,Centro Nacional de Biotecnología (CNB-CSIC), Madrid, Spain
| | | | - Noemí García-Romero
- Instituto Madrileño de Estudios Avanzados, IMDEA Nanociencia. Madrid, Spain.,Instituto de Medicina Molecular Aplicada (IMMA), School of Medicine, San Pablo-CEU University, Campus de Montepríncipe, Madrid Spain
| | - Jose Luis F Cuñado
- Instituto Madrileño de Estudios Avanzados, IMDEA Nanociencia. Madrid, Spain.,Departamento de Física de la Materia Condensada, Universidad Autónoma de Madrid &Instituto Nicolás Cabrera, Madrid, Spain
| | - Julio Camarero
- Instituto Madrileño de Estudios Avanzados, IMDEA Nanociencia. Madrid, Spain.,Departamento de Física de la Materia Condensada, Universidad Autónoma de Madrid &Instituto Nicolás Cabrera, Madrid, Spain
| | - Rodolfo Miranda
- Instituto Madrileño de Estudios Avanzados, IMDEA Nanociencia. Madrid, Spain.,Departamento de Física de la Materia Condensada, Universidad Autónoma de Madrid &Instituto Nicolás Cabrera, Madrid, Spain
| | | | - Angel Ayuso-Sacido
- Instituto Madrileño de Estudios Avanzados, IMDEA Nanociencia. Madrid, Spain.,Instituto de Medicina Molecular Aplicada (IMMA), School of Medicine, San Pablo-CEU University, Campus de Montepríncipe, Madrid Spain.,Fundación de Investigación HM Hospitales, Madrid, Spain
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21
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Patil US, Adireddy S, Jaiswal A, Mandava S, Lee BR, Chrisey DB. In Vitro/In Vivo Toxicity Evaluation and Quantification of Iron Oxide Nanoparticles. Int J Mol Sci 2015; 16:24417-50. [PMID: 26501258 PMCID: PMC4632758 DOI: 10.3390/ijms161024417] [Citation(s) in RCA: 117] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2015] [Revised: 09/30/2015] [Accepted: 09/30/2015] [Indexed: 02/06/2023] Open
Abstract
Increasing biomedical applications of iron oxide nanoparticles (IONPs) in academic and commercial settings have alarmed the scientific community about the safety and assessment of toxicity profiles of IONPs. The great amount of diversity found in the cytotoxic measurements of IONPs points toward the necessity of careful characterization and quantification of IONPs. The present document discusses the major developments related to in vitro and in vivo toxicity assessment of IONPs and its relationship with the physicochemical parameters of IONPs. Major discussion is included on the current spectrophotometric and imaging based techniques used for quantifying, and studying the clearance and biodistribution of IONPs. Several invasive and non-invasive quantification techniques along with the pitfalls are discussed in detail. Finally, critical guidelines are provided to optimize the design of IONPs to minimize the toxicity.
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Affiliation(s)
- Ujwal S Patil
- Department of Chemistry, University of New Orleans, 2000 Lakeshore Drive, New Orleans, LA 70148, USA.
| | - Shiva Adireddy
- Department of Physics and Engineering Physics, Tulane University, 5050 Percival Stern Hall, New Orleans, LA 70118, USA.
| | - Ashvin Jaiswal
- Department of Immunology, the University of Texas MD Anderson Cancer Center, 7455 Fannin Street, Houston, TX 77054, USA.
| | - Sree Mandava
- Department of Urology, Tulane University School of Medicine, 1430 Tulane avenue, SL-42, New Orleans, LA 70112, USA.
| | - Benjamin R Lee
- Department of Urology, Tulane University School of Medicine, 1430 Tulane avenue, SL-42, New Orleans, LA 70112, USA.
| | - Douglas B Chrisey
- Department of Physics and Engineering Physics, Tulane University, 5050 Percival Stern Hall, New Orleans, LA 70118, USA.
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22
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Hurley KR, Ring HL, Kang H, Klein ND, Haynes CL. Characterization of Magnetic Nanoparticles in Biological Matrices. Anal Chem 2015; 87:11611-9. [DOI: 10.1021/acs.analchem.5b02229] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Katie R. Hurley
- Department
of Chemistry, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, United States
| | - Hattie L. Ring
- Department
of Chemistry, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, United States
- Center
for Magnetic Resonance Research, University of Minnesota, 2021 Sixth
Street SE, Minneapolis, Minnesota 55455, United States
| | - Hyunho Kang
- Department
of Chemistry, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, United States
| | - Nathan D. Klein
- Department
of Chemistry, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, United States
| | - Christy L. Haynes
- Department
of Chemistry, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, United States
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23
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In Vivo Molecular MRI Imaging of Prostate Cancer by Targeting PSMA with Polypeptide-Labeled Superparamagnetic Iron Oxide Nanoparticles. Int J Mol Sci 2015; 16:9573-87. [PMID: 25927579 PMCID: PMC4463605 DOI: 10.3390/ijms16059573] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2015] [Revised: 04/13/2015] [Accepted: 04/22/2015] [Indexed: 01/20/2023] Open
Abstract
The prostate specific membrane antigen (PSMA) is broadly overexpressed on prostate cancer (PCa) cell surfaces. In this study, we report the synthesis, characterization, in vitro binding assay, and in vivo magnetic resonance imaging (MRI) evaluation of PSMA targeting superparamagnetic iron oxide nanoparticles (SPIONs). PSMA-targeting polypeptide CQKHHNYLC was conjugated to SPIONs to form PSMA-targeting molecular MRI contrast agents. In vitro studies demonstrated specific uptake of polypeptide-SPIONs by PSMA expressing cells. In vivo MRI studies found that MRI signals in PSMA-expressing tumors could be specifically enhanced with polypeptide-SPION, and further Prussian blue staining showed heterogeneous deposition of SPIONs in the tumor tissues. Taken altogether, we have developed PSMA-targeting polypeptide-SPIONs that could specifically enhance MRI signal in tumor-bearing mice, which might provide a new strategy for the molecular imaging of PCa.
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24
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Calero M, Chiappi M, Lazaro-Carrillo A, Rodríguez MJ, Chichón FJ, Crosbie-Staunton K, Prina-Mello A, Volkov Y, Villanueva A, Carrascosa JL. Characterization of interaction of magnetic nanoparticles with breast cancer cells. J Nanobiotechnology 2015; 13:16. [PMID: 25880445 PMCID: PMC4403785 DOI: 10.1186/s12951-015-0073-9] [Citation(s) in RCA: 83] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2014] [Accepted: 01/28/2015] [Indexed: 01/02/2023] Open
Abstract
Background Different superparamagnetic iron oxide nanoparticles have been tested for their potential use in cancer treatment, as they enter into cells with high effectiveness, do not induce cytotoxicity, and are retained for relatively long periods of time inside the cells. We have analyzed the interaction, internalization and biocompatibility of dimercaptosuccinic acid-coated superparamagnetic iron oxide nanoparticles with an average diameter of 15 nm and negative surface charge in MCF-7 breast cancer cells. Results Cells were incubated with dimercaptosuccinic acid-coated superparamagnetic iron oxide nanoparticles for different time intervals, ranging from 0.5 to 72 h. These nanoparticles showed efficient internalization and relatively slow clearance. Time-dependent uptake studies demonstrated the maximum accumulation of dimercaptosuccinic acid-coated superparamagnetic iron oxide nanoparticles after 24 h of incubation, and afterwards they were slowly removed from cells. Superparamagnetic iron oxide nanoparticles were internalized by energy dependent endocytosis and localized in endosomes. Transmission electron microscopy studies showed macropinocytosis uptake and clathrin-mediated internalization depending on the nanoparticles aggregate size. MCF-7 cells accumulated these nanoparticles without any significant effect on cell morphology, cytoskeleton organization, cell cycle distribution, reactive oxygen species generation and cell viability, showing a similar behavior to untreated control cells. Conclusions All these findings indicate that dimercaptosuccinic acid-coated superparamagnetic iron oxide nanoparticles have excellent properties in terms of efficiency and biocompatibility for application to target breast cancer cells. Electronic supplementary material The online version of this article (doi:10.1186/s12951-015-0073-9) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Macarena Calero
- Departamento de Biología, Universidad Autónoma de Madrid, Cantoblanco, 28049, Madrid, Spain. .,Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), Cantoblanco, 28049, Madrid, Spain.
| | - Michele Chiappi
- Department of Macromolecular Structure, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas, 28049, Madrid, Spain.
| | - Ana Lazaro-Carrillo
- Departamento de Biología, Universidad Autónoma de Madrid, Cantoblanco, 28049, Madrid, Spain. .,Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), Cantoblanco, 28049, Madrid, Spain.
| | - María José Rodríguez
- Department of Macromolecular Structure, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas, 28049, Madrid, Spain.
| | - Francisco Javier Chichón
- Department of Macromolecular Structure, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas, 28049, Madrid, Spain.
| | - Kieran Crosbie-Staunton
- Department of Clinical Medicine, Trinity Centre for Health Science, James's Street, Dublin, 8, Ireland.
| | - Adriele Prina-Mello
- Department of Clinical Medicine, Trinity Centre for Health Science, James's Street, Dublin, 8, Ireland. .,Centre for Research on Adaptive Nanostructures and Nanodevices (CRANN), and AMBER Centre, Trinity College Dublin, College Green, Dublin, 2, Ireland.
| | - Yuri Volkov
- Department of Clinical Medicine, Trinity Centre for Health Science, James's Street, Dublin, 8, Ireland. .,Centre for Research on Adaptive Nanostructures and Nanodevices (CRANN), and AMBER Centre, Trinity College Dublin, College Green, Dublin, 2, Ireland.
| | - Angeles Villanueva
- Departamento de Biología, Universidad Autónoma de Madrid, Cantoblanco, 28049, Madrid, Spain. .,Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), Cantoblanco, 28049, Madrid, Spain.
| | - José L Carrascosa
- Department of Macromolecular Structure, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas, 28049, Madrid, Spain. .,Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), Cantoblanco, 28049, Madrid, Spain.
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25
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Wang X, Zhang H, Jing H, Cui L. Highly Efficient Labeling of Human Lung Cancer Cells Using Cationic Poly-l-lysine-Assisted Magnetic Iron Oxide Nanoparticles. NANO-MICRO LETTERS 2015; 7:374-384. [PMID: 30464985 PMCID: PMC6223914 DOI: 10.1007/s40820-015-0053-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2015] [Accepted: 06/23/2015] [Indexed: 05/18/2023]
Abstract
Cell labeling with magnetic iron oxide nanoparticles (IONPs) is increasingly a routine approach in the cell-based cancer treatment. However, cell labeling with magnetic IONPs and their leading effects on the biological properties of human lung carcinoma cells remain scarcely reported. Therefore, in the present study the magnetic γ-Fe2O3 nanoparticles (MNPs) were firstly synthesized and surface-modified with cationic poly-l-lysine (PLL) to construct the PLL-MNPs, which were then used to magnetically label human A549 lung cancer cells. Cell viability and proliferation were evaluated with propidium iodide/fluorescein diacetate double staining and standard 3-(4,5-dimethylthiazol-2-diphenyl-tetrazolium) bromide assay, and the cytoskeleton was immunocytochemically stained. The cell cycle of the PLL-MNP-labeled A549 lung cancer cells was analyzed using flow cytometry. Apoptotic cells were fluorescently analyzed with nuclear-specific staining after the PLL-MNP labeling. The results showed that the constructed PLL-MNPs efficiently magnetically labeled A549 lung cancer cells and that, at low concentrations, labeling did not affect cellular viability, proliferation capability, cell cycle, and apoptosis. Furthermore, the cytoskeleton in the treated cells was detected intact in comparison with the untreated counterparts. However, the results also showed that at high concentration (400 µg mL-1), the PLL-MNPs would slightly impair cell viability, proliferation, cell cycle, and apoptosis and disrupt the cytoskeleton in the treated A549 lung cancer cells. Therefore, the present results indicated that the PLL-MNPs at adequate concentrations can be efficiently used for labeling A549 lung cancer cells and could be considered as a feasible approach for magnetic targeted anti-cancer drug/gene delivery, targeted diagnosis, and therapy in lung cancer treatment.
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Affiliation(s)
- Xueqin Wang
- College of Bioengineering, Henan University of Technology, Zhengzhou, 450001 Henan People’s Republic of China
| | - Huiru Zhang
- College of Bioengineering, Henan University of Technology, Zhengzhou, 450001 Henan People’s Republic of China
| | - Hongjuan Jing
- College of Bioengineering, Henan University of Technology, Zhengzhou, 450001 Henan People’s Republic of China
| | - Liuqing Cui
- College of Bioengineering, Henan University of Technology, Zhengzhou, 450001 Henan People’s Republic of China
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26
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Giannini M, Giannaccini M, Sibillano T, Giannini C, Liu D, Wang Z, Baù A, Dente L, Cuschieri A, Raffa V. Sheets of vertically aligned BaTiO3 nanotubes reduce cell proliferation but not viability of NIH-3T3 cells. PLoS One 2014; 9:e115183. [PMID: 25506693 PMCID: PMC4266647 DOI: 10.1371/journal.pone.0115183] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2014] [Accepted: 11/19/2014] [Indexed: 11/18/2022] Open
Abstract
All biomaterials initiate a tissue response when implanted in living tissues. Ultimately this reaction causes fibrous encapsulation and hence isolation of the material, leading to failure of the intended therapeutic effect of the implant. There has been extensive bioengineering research aimed at overcoming or delaying the onset of encapsulation. Nanotechnology has the potential to address this problem by virtue of the ability of some nanomaterials to modulate interactions with cells, thereby inducing specific biological responses to implanted foreign materials. To this effect in the present study, we have characterised the growth of fibroblasts on nano-structured sheets constituted by BaTiO3, a material extensively used in biomedical applications. We found that sheets of vertically aligned BaTiO3 nanotubes inhibit cell cycle progression - without impairing cell viability - of NIH-3T3 fibroblast cells. We postulate that the 3D organization of the material surface acts by increasing the availability of adhesion sites, promoting cell attachment and inhibition of cell proliferation. This finding could be of relevance for biomedical applications designed to prevent or minimize fibrous encasement by uncontrolled proliferation of fibroblastic cells with loss of material-tissue interface underpinning long-term function of implants.
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Affiliation(s)
- Marianna Giannini
- Institute of Life Science, Scuola Superiore Sant'Anna, Pisa, Italy
- * E-mail:
| | | | - Teresa Sibillano
- Institute of Crystallography, National Research Council, (IC-CNR), Bari, Italy
| | - Cinzia Giannini
- Institute of Crystallography, National Research Council, (IC-CNR), Bari, Italy
| | - Dun Liu
- Institute for Medical Science and Technology, University of Dundee, Dundee, United Kingdom
| | - Zhigang Wang
- Institute for Medical Science and Technology, University of Dundee, Dundee, United Kingdom
| | - Andrea Baù
- Department of Biology, Università di Pisa, Pisa, Italy
| | - Luciana Dente
- Department of Biology, Università di Pisa, Pisa, Italy
| | - Alfred Cuschieri
- Institute of Life Science, Scuola Superiore Sant'Anna, Pisa, Italy
- Institute for Medical Science and Technology, University of Dundee, Dundee, United Kingdom
| | - Vittoria Raffa
- Institute of Life Science, Scuola Superiore Sant'Anna, Pisa, Italy
- Institute for Medical Science and Technology, University of Dundee, Dundee, United Kingdom
- Department of Biology, Università di Pisa, Pisa, Italy
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27
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Latunde-Dada GO, Li X, Parodi A, Edwards CH, Ellis PR, Sharp PA. Micromilling enhances iron bioaccessibility from wholegrain wheat. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2014; 62:11222-11227. [PMID: 25380143 DOI: 10.1021/jf503474f] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Cereals constitute important sources of iron in human diet; however, much of the iron in wheat is lost during processing for the production of white flour. This study employed novel food processing techniques to increase the bioaccessibility of naturally occurring iron in wheat. Iron was localized in wheat by Perl's Prussian blue staining. Soluble iron from digested wheat flour was measured by a ferrozine spectrophotometric assay. Iron bioaccessibility was determined using an in vitro simulated peptic-pancreatic digestion, followed by measurement of ferritin (a surrogate marker for iron absorption) in Caco-2 cells. Light microscopy revealed that iron in wheat was encapsulated in cells of the aleurone layer and remained intact after in vivo digestion and passage through the gastrointestinal tract. The solubility of iron in wholegrain wheat and in purified wheat aleurone increased significantly after enzymatic digestion with Driselase, and following mechanical disruption using micromilling. Furthermore, following in vitro simulated peptic-pancreatic digestion, iron bioaccessibility, measured as ferritin formation in Caco-2 cells, from micromilled aleurone flour was significantly higher (52%) than from whole aleurone flour. Taken together our data show that disruption of aleurone cell walls could increase iron bioaccessibility. Micromilled aleurone could provide an alternative strategy for iron fortification of cereal products.
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Affiliation(s)
- G O Latunde-Dada
- Diabetes and Nutritional Sciences Division and ‡Biopolymers Group, Faculty of Life Sciences and Medicine, King's College London , Franklin-Wilkins Building, 150 Stamford Street, London SE1 9NH, United Kingdom
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28
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Passeri D, Dong C, Reggente M, Angeloni L, Barteri M, Scaramuzzo FA, De Angelis F, Marinelli F, Antonelli F, Rinaldi F, Marianecci C, Carafa M, Sorbo A, Sordi D, Arends IW, Rossi M. Magnetic force microscopy: quantitative issues in biomaterials. BIOMATTER 2014; 4:29507. [PMID: 25050758 PMCID: PMC4145005 DOI: 10.4161/biom.29507] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Magnetic force microscopy (MFM) is an atomic force microscopy (AFM) based technique in which an AFM tip with a magnetic coating is used to probe local magnetic fields with the typical AFM spatial resolution, thus allowing one to acquire images reflecting the local magnetic properties of the samples at the nanoscale. Being a well established tool for the characterization of magnetic recording media, superconductors and magnetic nanomaterials, MFM is finding constantly increasing application in the study of magnetic properties of materials and systems of biological and biomedical interest. After reviewing these latter applications, three case studies are presented in which MFM is used to characterize: (i) magnetoferritin synthesized using apoferritin as molecular reactor; (ii) magnetic nanoparticles loaded niosomes to be used as nanocarriers for drug delivery; (iii) leukemic cells labeled using folic acid-coated core-shell superparamagnetic nanoparticles in order to exploit the presence of folate receptors on the cell membrane surface. In these examples, MFM data are quantitatively analyzed evidencing the limits of the simple analytical models currently used. Provided that suitable models are used to simulate the MFM response, MFM can be used to evaluate the magnetic momentum of the core of magnetoferritin, the iron entrapment efficiency in single vesicles, or the uptake of magnetic nanoparticles into cells.
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Affiliation(s)
- Daniele Passeri
- Department of Basic and Applied Sciences for Engineering; University of Rome Sapienza; Rome, Italy
| | - Chunhua Dong
- Department of Basic and Applied Sciences for Engineering; University of Rome Sapienza; Rome, Italy; Department of Physics; University of Rome Sapienza; Rome, Italy
| | - Melania Reggente
- Department of Basic and Applied Sciences for Engineering; University of Rome Sapienza; Rome, Italy
| | - Livia Angeloni
- Department of Basic and Applied Sciences for Engineering; University of Rome Sapienza; Rome, Italy; Lab. for Biomaterials and Bioengineering (CRC-I); Department Min-Met-Materials Eng. & University Hospital Research Center; Laval University; Quebec City, Canada
| | - Mario Barteri
- Department of Chemistry; University of Rome Sapienza; Rome, Italy
| | - Francesca A Scaramuzzo
- Department of Basic and Applied Sciences for Engineering; University of Rome Sapienza; Rome, Italy
| | - Francesca De Angelis
- Department of Anatomy, Histology, Forensic Medicine and Orthopaedics; University of Rome Sapienza; Rome, Italy; Center for Life Nano Science@Sapienza; Istituto Italiano di Tecnologia; Rome, Italy
| | | | - Flavia Antonelli
- Department of Chemistry; University of Rome Sapienza; Rome, Italy
| | - Federica Rinaldi
- Department of Drug Chemistry and Technologies; University of Rome Sapienza; Rome, Italy
| | - Carlotta Marianecci
- Department of Drug Chemistry and Technologies; University of Rome Sapienza; Rome, Italy
| | - Maria Carafa
- Department of Drug Chemistry and Technologies; University of Rome Sapienza; Rome, Italy
| | - Angela Sorbo
- Department of Food Safety and Veterinary Public Health; Istituto Superiore di Sanità; Rome, Italy
| | - Daniela Sordi
- Delft University of Technology; Biotechnology Department; Biocatalysis and Organic Chemistry Section; Delft, The Netherlands
| | - Isabel Wce Arends
- Delft University of Technology; Biotechnology Department; Biocatalysis and Organic Chemistry Section; Delft, The Netherlands
| | - Marco Rossi
- Department of Basic and Applied Sciences for Engineering; University of Rome Sapienza; Rome, Italy; Centro di Ricerca per le Nanotecnologie Applicate all'Ingegneria della Sapienza (CNIS); University of Rome Sapienza; Rome, Italy
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29
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Antibody-conjugated paramagnetic nanobeads: kinetics of bead-cell binding. Int J Mol Sci 2014; 15:8821-34. [PMID: 24852940 PMCID: PMC4057761 DOI: 10.3390/ijms15058821] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2014] [Revised: 04/23/2014] [Accepted: 04/24/2014] [Indexed: 01/28/2023] Open
Abstract
Specific labelling of target cell surfaces using antibody-conjugated paramagnetic nanobeads is essential for efficient magnetic cell separation. However, studies examining parameters determining the kinetics of bead-cell binding are scarce. The present study determines the binding rates for specific and unspecific binding of 150 nm paramagnetic nanobeads to highly purified target and non-target cells. Beads bound to cells were enumerated spectrophotometrically. Results show that the initial bead-cell binding rate and saturation levels depend on initial bead concentration and fit curves of the form A(1 − exp(−kt)). Unspecific binding within conventional experimental time-spans (up to 60 min) was not detectable photometrically. For CD3-positive cells, the probability of specific binding was found to be around 80 times larger than that of unspecific binding.
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30
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Zuo HD, Yao WW, Chen TW, Zhu J, Zhang JJ, Pu Y, Liu G, Zhang XM. The effect of superparamagnetic iron oxide with iRGD peptide on the labeling of pancreatic cancer cells in vitro: a preliminary study. BIOMED RESEARCH INTERNATIONAL 2014; 2014:852352. [PMID: 24977163 PMCID: PMC4055133 DOI: 10.1155/2014/852352] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/10/2014] [Revised: 04/29/2014] [Accepted: 05/04/2014] [Indexed: 01/02/2023]
Abstract
The iRGD peptide loaded with iron oxide nanoparticles for tumor targeting and tissue penetration was developed for targeted tumor therapy and ultrasensitive MR imaging. Binding of iRGD, a tumor homing peptide, is mediated by integrins, which are widely expressed on the surface of cells. Several types of small molecular drugs and nanoparticles can be transfected into cells with the help of iRGD peptide. Thus, we postulate that SPIO nanoparticles, which have good biocompatibility, can also be transfected into cells using iRGD. Despite the many kinds of cell labeling studies that have been performed with SPIO nanoparticles and RGD peptide or its analogues, only a few have applied SPIO nanoparticles with iRGD peptide in pancreatic cancer cells. This paper reports our preliminary findings regarding the effect of iRGD peptide (CRGDK/RGPD/EC) combined with SPIO on the labeling of pancreatic cancer cells. The results suggest that SPIO with iRGD peptide can enhance the positive labeling rate of cells and the uptake of SPIO. Optimal functionalization was achieved with the appropriate concentration or concentration range of SPIO and iRGD peptide. This study describes a simple and economical protocol to label panc-1 cells using SPIO in combination with iRGD peptide and may provide a useful method to improve the sensitivity of pancreatic cancer imaging.
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Affiliation(s)
- Hou Dong Zuo
- Sichuan Key Laboratory of Medical Imaging, Department of Radiology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan 637000, China
- Department of Radiology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Wei Wu Yao
- Department of Radiology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Tian Wu Chen
- Sichuan Key Laboratory of Medical Imaging, Department of Radiology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan 637000, China
| | - Jiang Zhu
- Sichuan Key Laboratory of Medical Imaging, Department of Radiology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan 637000, China
| | - Juan Juan Zhang
- Sichuan Key Laboratory of Medical Imaging, Department of Radiology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan 637000, China
| | - Yu Pu
- Sichuan Key Laboratory of Medical Imaging, Department of Radiology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan 637000, China
| | - Gang Liu
- Sichuan Key Laboratory of Medical Imaging, Department of Radiology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan 637000, China
| | - Xiao Ming Zhang
- Sichuan Key Laboratory of Medical Imaging, Department of Radiology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan 637000, China
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31
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Saraswathy A, Nazeer SS, Nimi N, Arumugam S, Shenoy SJ, Jayasree RS. Synthesis and characterization of dextran stabilized superparamagnetic iron oxide nanoparticles for in vivo MR imaging of liver fibrosis. Carbohydr Polym 2013; 101:760-8. [PMID: 24299836 DOI: 10.1016/j.carbpol.2013.10.015] [Citation(s) in RCA: 70] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2013] [Revised: 09/04/2013] [Accepted: 10/04/2013] [Indexed: 12/18/2022]
Abstract
The field of medical imaging has recently seen rapid advances in the development of novel agents for enhancing image contrast. In particular, superparamagnetic iron oxide nanoparticles (SPIONs) with a variety of surface properties have been tried as effective contrast agents for magnetic resonance imaging, but with major side effects. In this study, the surface chemistry of SPIONs of size 12 nm was modified with high molecular weight dextran to yield particles of size 50 nm, without compromising the magnetic properties. A systematic characterization of the material for its size, coating efficiency, magnetic properties and biocompatibility has been carried out. The magnetic relaxivity as evaluated on a 1.5 T clinical magnet showed r2/r1 ratio of 56.28 which is higher than that reported for any other dextran stabilized ironoxide nanoparticles. Liver uptake and magnetic resonance imaging potential of dextran stabilized SPIONs (D-SPIONs) has been evaluated on liver fibrosis induced animal model, which is further supported by histopathology results.
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Affiliation(s)
- Ariya Saraswathy
- Biophotonics and Imaging Lab, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences & Technology, Poojappura, Thiruvananthapuram 695 012, Kerala, India
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