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Wang K, Liu T, Zhang Y, Lv H, Yao H, Zhao Y, Li J, Li X. Combined Placental Mesenchymal Stem Cells with Guided Nanoparticles Effective Against Diabetic Nephropathy in Mouse Model. Int J Nanomedicine 2024; 19:901-915. [PMID: 38293609 PMCID: PMC10826715 DOI: 10.2147/ijn.s446733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 01/13/2024] [Indexed: 02/01/2024] Open
Abstract
Background Diabetic nephropathy (DN) is a prevalent complication of diabetes mellitus and constitutes the primary cause of mortality in affected patients. Previous studies have shown that placental mesenchymal stem cells (PL-MSCs) can alleviate kidney dysfunction in animal models of DN. However, the limited ability of mesenchymal stem cells (MSCs) to home to damaged sites restricts their therapeutic potential. Enhancing the precision of PL-MSCs' homing to target tissues is therefore vital for the success of cell therapies in treating DN. Methods We developed Fe3O4 coated polydopamine nanoparticle (NP)-internalized MSCs and evaluated their therapeutic effectiveness in a mouse model of streptozotocin- and high-fat diet-induced DN, using an external magnetic field. Results Our study confirmed that NPs were effectively internalized into PL-MSCs without compromising their intrinsic stem cell properties. The magnetic targeting of PL-MSCs notably improved their homing to the kidney tissues in mice with DN, resulting in enhanced kidney function compared to the transplantation of PL-MSCs alone. Furthermore, the anti-inflammatory and antifibrotic attributes of PL-MSCs played a role in the recovery of kidney function and structure. Conclusion These results demonstrate that magnetically targeted therapy using PL-MSCs is a promising approach for treating diabetic nephropathy.
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Affiliation(s)
- Ke Wang
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, Jilin, People’s Republic of China
- Gynecology and Obstetrics Department, China-Japan Union Hospital of Jilin University, Changchun, Jilin, People’s Republic of China
| | - Te Liu
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, Jilin, People’s Republic of China
| | - Yucheng Zhang
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, Jilin, People’s Republic of China
| | - Huiying Lv
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, Jilin, People’s Republic of China
| | - Hua Yao
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, Jilin, People’s Republic of China
| | - Ye Zhao
- Dermatological Department, China-Japan Union Hospital of Jilin University, Changchun, Jilin, People’s Republic of China
| | - Jing Li
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, Jilin, People’s Republic of China
| | - Xiuying Li
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, Jilin, People’s Republic of China
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2
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Garello F, Svenskaya Y, Parakhonskiy B, Filippi M. Micro/Nanosystems for Magnetic Targeted Delivery of Bioagents. Pharmaceutics 2022; 14:pharmaceutics14061132. [PMID: 35745705 PMCID: PMC9230665 DOI: 10.3390/pharmaceutics14061132] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 05/09/2022] [Accepted: 05/19/2022] [Indexed: 01/09/2023] Open
Abstract
Targeted delivery of pharmaceuticals is promising for efficient disease treatment and reduction in adverse effects. Nano or microstructured magnetic materials with strong magnetic momentum can be noninvasively controlled via magnetic forces within living beings. These magnetic carriers open perspectives in controlling the delivery of different types of bioagents in humans, including small molecules, nucleic acids, and cells. In the present review, we describe different types of magnetic carriers that can serve as drug delivery platforms, and we show different ways to apply them to magnetic targeted delivery of bioagents. We discuss the magnetic guidance of nano/microsystems or labeled cells upon injection into the systemic circulation or in the tissue; we then highlight emergent applications in tissue engineering, and finally, we show how magnetic targeting can integrate with imaging technologies that serve to assist drug delivery.
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Affiliation(s)
- Francesca Garello
- Molecular and Preclinical Imaging Centers, Department of Molecular Biotechnology and Health Sciences, University of Torino, Via Nizza 52, 10126 Torino, Italy;
| | - Yulia Svenskaya
- Science Medical Center, Saratov State University, 410012 Saratov, Russia;
| | - Bogdan Parakhonskiy
- Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium;
| | - Miriam Filippi
- Soft Robotics Laboratory, Department of Mechanical and Process Engineering, ETH Zurich, 8092 Zurich, Switzerland
- Correspondence:
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3
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Pezzana C, Agnely F, Bochot A, Siepmann J, Menasché P. Extracellular Vesicles and Biomaterial Design: New Therapies for Cardiac Repair. Trends Mol Med 2020; 27:231-247. [PMID: 33218944 DOI: 10.1016/j.molmed.2020.10.006] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 10/15/2020] [Accepted: 10/26/2020] [Indexed: 12/19/2022]
Abstract
There is increasing evidence that extracellular vesicles (EVs) mediate the paracrine effects of stem cells. Although EVs have several attractive characteristics, they also raise issues related to delivery. For patients with cardiac disease that require a surgical procedure, direct intramyocardial (IM) administration of EVs is straightforward but its efficacy may be limited by fast wash-out, hence the interest of incorporating EVs into a controlled release polymer to optimize their residence time. For patients without surgical indication, the intravenous (IV) route is attractive because of its lack of invasiveness; however, whole-body distribution limits the fraction of EVs that reach the heart, hence the likely benefits of EV engineering to increase EV homing to the target tissue.
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Affiliation(s)
- Chloé Pezzana
- INSERM UMRS 970, Paris Centre de Recherche Cardiovasculaire (PARCC), Université de Paris, 75015 Paris, France.
| | - Florence Agnely
- Institut Galien Paris-Sud, CNRS UMR 8612, Université Paris-Saclay, 92296 Châtenay-Malabry, France
| | - Amélie Bochot
- Institut Galien Paris-Sud, CNRS UMR 8612, Université Paris-Saclay, 92296 Châtenay-Malabry, France
| | - Juergen Siepmann
- Unité 1008 INSERM, Université de Lille, Centre Hospitalier Universitaire Lille, 59000 Lille, France
| | - Philippe Menasché
- INSERM UMRS 970, Paris Centre de Recherche Cardiovasculaire (PARCC), Université de Paris, 75015 Paris, France; Department of Cardiovascular Surgery, Hôpital Européen Georges Pompidou, 75015 Paris, France.
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4
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Amniotic membrane mesenchymal stem cells labeled by iron oxide nanoparticles exert cardioprotective effects against isoproterenol (ISO)-induced myocardial damage by targeting inflammatory MAPK/NF-κB pathway. Drug Deliv Transl Res 2020; 11:242-254. [PMID: 32441012 DOI: 10.1007/s13346-020-00788-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The aim of the present study is to investigate the protective effects of human amniotic membrane-derived mesenchymal stem cells (hAMSCs) labeled by superparamagnetic iron oxide nanoparticles (SPIONs) against isoproterenol (ISO)-induced myocardial injury in the presence and absence of a magnetic field. ISO was injected subcutaneously for 4 consecutive days to induce myocardial injury in male Wistar rats. The hAMSCs were incubated with 100 μg/ml SPIONs and injected to rats in magnet-dependent and magnet-independent groups via the tail vein. The size and shape of nanoparticles were determined by dynamic light scattering (DLS) and transmission electron microscopy (TEM). Prussian blue staining was used to determine cell uptake of nanoparticles. Myocardial fibrosis, heart function, characterization of hAMSCs, and histopathological changes were determined using Masson's trichrome, echocardiography, flow cytometry, and H&E staining, respectively. Enzyme-linked immunosorbent assay (ELISA) was used to the expression pro-inflammatory cytokines. Immunohistochemistry assay was used to determine the expression of nuclear factor-κB (NF-κB) and the Ras/mitogen-activated protein kinase (MAPK). SPION-labeled MSCs in the presence of magnetic field significantly improved cardiac function and reduced fibrosis and tissue damage by suppressing inflammation in a NF-κB/MAPK-dependent mechanism (p < 0. 05). Collectively, our findings demonstrate that SPION-labeled MSCs in the presence of magnetic field can be a good treatment option to reduce inflammation following myocardial injury. Graphical abstract.
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5
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Yun WS, Aryal S, Ahn YJ, Seo YJ, Key J. Engineered iron oxide nanoparticles to improve regenerative effects of mesenchymal stem cells. Biomed Eng Lett 2020; 10:259-273. [PMID: 32477611 DOI: 10.1007/s13534-020-00153-w] [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: 11/22/2019] [Revised: 02/14/2020] [Accepted: 02/26/2020] [Indexed: 12/16/2022] Open
Abstract
Abstract Mesenchymal stem cells (MSCs) based therapies are a major field of regenerative medicine. However, the success of MSC therapy relies on the efficiency of its delivery and retention, differentiation, and secreting paracrine factors at the target sites. Recent studies show that superparamagnetic iron oxide nanoparticles (SPIONs) modulate the regenerative effects of MSCs. After interacting with the cell membrane of MSCs, SPIONs can enter the cells via the endocytic pathway. The physicochemical properties of nanoparticles, including size, surface charge (zeta-potential), and surface ligand, influence their interactions with MSC, such as cellular uptake, cytotoxicity, homing factors, and regenerative related factors (VEGF, TGF-β1). Therefore, in-depth knowledge of the physicochemical properties of SPIONs might be a promising lead in regenerative and anti-inflammation research using SPIONs mediated MSCs. In this review, recent research on SPIONs with MSCs and the various designs of SPIONs are examined and summarized. Graphic abstract A graphical abstract describes important parameters in the design of superparamagnetic iron oxide nanoparticles, affecting mesenchymal stem cells. These physicochemical properties are closely related to the mesenchymal stem cells to achieve improved cellular responses such as homing factors and cell uptake.
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Affiliation(s)
- Wan Su Yun
- 1Department of Biomedical Engineering, Yonsei University, 1 Yonseidae-gil, Wonju, Gangwon-do South Korea
| | - Susmita Aryal
- 1Department of Biomedical Engineering, Yonsei University, 1 Yonseidae-gil, Wonju, Gangwon-do South Korea
| | - Ye Ji Ahn
- 2Research Institute of Hearing Enhancement, Yonsei University Wonju College of Medicine, Wonju, South Korea.,3Department of Otorhinolaryngology, Yonsei University Wonju College of Medicine, Wonju, South Korea
| | - Young Joon Seo
- 2Research Institute of Hearing Enhancement, Yonsei University Wonju College of Medicine, Wonju, South Korea.,3Department of Otorhinolaryngology, Yonsei University Wonju College of Medicine, Wonju, South Korea
| | - Jaehong Key
- 1Department of Biomedical Engineering, Yonsei University, 1 Yonseidae-gil, Wonju, Gangwon-do South Korea
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Kolosnjaj-Tabi J, Kralj S, Griseti E, Nemec S, Wilhelm C, Plan Sangnier A, Bellard E, Fourquaux I, Golzio M, Rols MP. Magnetic Silica-Coated Iron Oxide Nanochains as Photothermal Agents, Disrupting the Extracellular Matrix, and Eradicating Cancer Cells. Cancers (Basel) 2019; 11:cancers11122040. [PMID: 31861146 PMCID: PMC6966508 DOI: 10.3390/cancers11122040] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 12/11/2019] [Accepted: 12/13/2019] [Indexed: 12/20/2022] Open
Abstract
Cancerous cells and the tumor microenvironment are among key elements involved in cancer development, progression, and resistance to treatment. In order to tackle the cells and the extracellular matrix, we herein propose the use of a class of silica-coated iron oxide nanochains, which have superior magnetic responsiveness and can act as efficient photothermal agents. When internalized by different cancer cell lines and normal (non-cancerous) cells, the nanochains are not toxic, as assessed on 2D and 3D cell culture models. Yet, upon irradiation with near infrared light, the nanochains become efficient cytotoxic photothermal agents. Besides, not only do they generate hyperthermia, which effectively eradicates tumor cells in vitro, but they also locally melt the collagen matrix, as we evidence in real-time, using engineered cell sheets with self-secreted extracellular matrix. By simultaneously acting as physical (magnetic and photothermal) effectors and chemical delivery systems, the nanochain-based platforms offer original multimodal possibilities for prospective cancer treatment, affecting both the cells and the extracellular matrix.
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Affiliation(s)
- Jelena Kolosnjaj-Tabi
- Institute of Pharmacology and Structural Biology, 205 Route de Narbonne, 31400 Toulouse, France; (E.G.); (E.B.); (M.G.); (M.-P.R.)
- Correspondence: (J.K.-T.); (S.K.)
| | - Slavko Kralj
- Department for Materials Synthesis, Jožef Stefan Institute, Jamova cesta 39, 1000 Ljubljana, Slovenia;
- Faculty of Pharmacy, University of Ljubljana, Askerceva cesta 7, 1000 Ljubljana, Slovenia;
- Correspondence: (J.K.-T.); (S.K.)
| | - Elena Griseti
- Institute of Pharmacology and Structural Biology, 205 Route de Narbonne, 31400 Toulouse, France; (E.G.); (E.B.); (M.G.); (M.-P.R.)
| | - Sebastjan Nemec
- Department for Materials Synthesis, Jožef Stefan Institute, Jamova cesta 39, 1000 Ljubljana, Slovenia;
- Faculty of Pharmacy, University of Ljubljana, Askerceva cesta 7, 1000 Ljubljana, Slovenia;
| | - Claire Wilhelm
- Laboratoire Matière et Systèmes Complexes (MSC), UMR 7057, Bâtiment Condorcet, Université Paris Diderot, 10 rue Alice Domon et Léonie Duquet, 75205 Paris, France;
| | - Anouchka Plan Sangnier
- Faculty of Pharmacy, University of Ljubljana, Askerceva cesta 7, 1000 Ljubljana, Slovenia;
| | - Elisabeth Bellard
- Institute of Pharmacology and Structural Biology, 205 Route de Narbonne, 31400 Toulouse, France; (E.G.); (E.B.); (M.G.); (M.-P.R.)
| | - Isabelle Fourquaux
- Centre de Microscopie Electronique Appliquée à la Biologie (CMEAB), Faculté de Médecine Rangueil, 133 Route de Narbonne, 31400 Toulouse, France;
| | - Muriel Golzio
- Institute of Pharmacology and Structural Biology, 205 Route de Narbonne, 31400 Toulouse, France; (E.G.); (E.B.); (M.G.); (M.-P.R.)
| | - Marie-Pierre Rols
- Institute of Pharmacology and Structural Biology, 205 Route de Narbonne, 31400 Toulouse, France; (E.G.); (E.B.); (M.G.); (M.-P.R.)
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7
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Zhang BF, Jiang H, Chen J, Hu Q, Yang S, Liu XP. Silica-coated magnetic nanoparticles labeled endothelial progenitor cells alleviate ischemic myocardial injury and improve long-term cardiac function with magnetic field guidance in rats with myocardial infarction. J Cell Physiol 2019; 234:18544-18559. [PMID: 30982985 PMCID: PMC6617719 DOI: 10.1002/jcp.28492] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Revised: 02/12/2019] [Accepted: 02/14/2019] [Indexed: 01/03/2023]
Abstract
Low retention of endothelial progenitor cells (EPCs) in the infarct area has been suggested to be responsible for the poor clinical efficacy of EPC therapy for myocardial infarction (MI). This study aimed to evaluate whether magnetized EPCs guided through an external magnetic field could augment the aggregation of EPCs in an ischemia area, thereby enhancing therapeutic efficacy. EPCs from male rats were isolated and labeled with silica‐coated magnetic iron oxide nanoparticles to form magnetized EPCs. Then, the proliferation, migration, vascularization, and cytophenotypic markers of magnetized EPCs were analyzed. Afterward, the magnetized EPCs (1 × 106) were transplanted into a female rat model of MI via the tail vein at 7 days after MI with or without the guidance of an external magnet above the infarct area. Cardiac function, myocardial fibrosis, and the apoptosis of cardiomyocytes were observed at 4 weeks after treatment. In addition, EPC retention and the angiogenesis of ischemic myocardium were evaluated. Labeling with magnetic nanoparticles exhibited minimal influence to the biological functions of EPCs. The transplantation of magnetized EPCs guided by an external magnet significantly improved the cardiac function, decreased infarction size, and reduced myocardial apoptosis in MI rats. Moreover, enhanced aggregations of magnetized EPCs in the infarcted border zone were observed in rats with external magnet‐guided transplantation, accompanied by the significantly increased density of microvessels and upregulated the expression of proangiogenic factors, when compared with non‐external‐magnet‐guided rats. The magnetic field‐guided transplantation of magnetized EPCs was associated with the enhanced aggregation of EPCs in the infarcted border zone, thereby improving the therapeutic efficacy of MI.
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Affiliation(s)
- Bo-Fang Zhang
- Department of Cardiology, Hubei Key Laboratory of Cardiology, Renmin Hospital of Wuhan University, Cardiovascular Research Institute, Wuhan University, Wuhan, China
| | - Hong Jiang
- Department of Cardiology, Hubei Key Laboratory of Cardiology, Renmin Hospital of Wuhan University, Cardiovascular Research Institute, Wuhan University, Wuhan, China
| | - Jing Chen
- Department of Cardiology, Hubei Key Laboratory of Cardiology, Renmin Hospital of Wuhan University, Cardiovascular Research Institute, Wuhan University, Wuhan, China
| | - Qi Hu
- Department of Cardiology, Hubei Key Laboratory of Cardiology, Renmin Hospital of Wuhan University, Cardiovascular Research Institute, Wuhan University, Wuhan, China
| | - Shuo Yang
- Department of Cardiology, Hubei Key Laboratory of Cardiology, Renmin Hospital of Wuhan University, Cardiovascular Research Institute, Wuhan University, Wuhan, China
| | - Xiao-Pei Liu
- Department of Cardiology, Hubei Key Laboratory of Cardiology, Renmin Hospital of Wuhan University, Cardiovascular Research Institute, Wuhan University, Wuhan, China
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8
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Naseroleslami M, Aboutaleb N, Parivar K. The effects of superparamagnetic iron oxide nanoparticles-labeled mesenchymal stem cells in the presence of a magnetic field on attenuation of injury after heart failure. Drug Deliv Transl Res 2018; 8:1214-1225. [PMID: 30128798 DOI: 10.1007/s13346-018-0567-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Migration of stem cells after transplantation reduces their therapeutic effects. In this study, we hypothesized that superparamagnetic iron oxide nanoparticles (SPION)-labeled mesenchymal stem cells (MSCs) in the presence of magnetic field may have a capability to increase regenerative ability after heart failure (HF). A rat model of ISO (isoproterenol)-HF was established to investigate the effects of SPION-labeled MSCs on tissue regeneration in the presence and absence of magnetic field. Hydrodynamic size, shape, and formation of chemical bonds between SPION and polyethylene glycol (PEG) were measured using dynamic light scattering (DLS), transmission electron microscopy (TEM), and Fourier-transform infrared spectroscopy (FTIR). The MRI was used to monitor SPION-labeled MSCs in vivo. Cell and tissue uptake of nanoparticles were determined by Prussian blue staining, atomic absorption spectroscopy (AAS), and inductively coupled plasma spectroscopy (ICP). Purity of the MSCs, heart function, myocardial fibrosis, and histologic damage were evaluated using flow-cytometry, echocardiography, Masson's trichrome, and H&E staining respectively. Various spectroscopic and microscopic analyses revealed that hydrodynamic size of SPION was 40 ± 2 and their shape was spherical. FTIR confirmed the presence of PEG on the surface of nanoparticles. The presence of magnetic field significantly increased cell homing. Highly purified MSCs population was detected by flow-cytometry. Using SPION-labeled MSCs in the presence of magnetic field markedly improved heart function and myocardial hypertrophy and reduced fibrosis (p < 0.05). Collectively, our results demonstrated that SPION-labeled MSCs in the presence of magnetic field might contribute to regeneration after HF.
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Affiliation(s)
- Maryam Naseroleslami
- Department of Cellular and Molecular Biology, Islamic Azad University Tehran Medical Sciences, Tehran, Iran
| | - Nahid Aboutaleb
- Physiology Research Center, Iran university of Medical Sciences, Tehran, Iran.
- Department of Physiology, Iran university of Medical Sciences, Tehran, Iran.
| | - Kazem Parivar
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
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9
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Shen WB, Anastasiadis P, Nguyen B, Yarnell D, Yarowsky PJ, Frenkel V, Fishman PS. Magnetic Enhancement of Stem Cell-Targeted Delivery into the Brain Following MR-Guided Focused Ultrasound for Opening the Blood-Brain Barrier. Cell Transplant 2018; 26:1235-1246. [PMID: 28933214 PMCID: PMC5657739 DOI: 10.1177/0963689717715824] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Focused ultrasound (FUS)-mediated blood–brain barrier disruption (BBBD) can enable even large therapeutics such as stem cells to enter the brain from the bloodstream. However, the efficiency is relatively low. Our previous study showed that human neural progenitor cells (hNPCs) loaded with superparamagnetic iron oxide nanoparticles (SPIONs) in culture were attracted by an external magnetic field. In vivo, enhanced brain retention was observed near a magnet mounted on the skull in a rat model of traumatic brain injury, where BBBD also occurs. The goal of the current study was to determine whether magnetic attraction of SPION-loaded hNPCs would also enhance their retention in the brain after FUS-mediated BBBD. A small animal magnetic resonance imaging (MRI)-guided FUS system operating at 1.5 MHz was used to treat rats (∼120 g) without tissue damage or hemorrhage. Evidence of successful BBBD was validated with both radiologic enhancement of gadolinium on postsonication TI MRI and whole brain section visualization of Evans blue dye. The procedure was then combined with the application of a powerful magnet to the head directly after intravenous injection of the hNPCs. Validation of cells within the brain was performed by staining with Perls’ Prussian blue for iron and by immunohistochemistry with a human-specific antigen. By injecting equal numbers of iron oxide (SPIONs) and noniron oxide nanoparticles–loaded hNPCs, each labeled with a different fluorophore, we found significantly greater numbers of SPIONs-loaded cells retained in the brain at the site of BBBD as compared to noniron loaded cells. This result was most pronounced in regions of the brain closest to the skull (dorsal cortex) in proximity to the magnet surface. A more powerful magnet and a Halbach magnetic array resulted in more effective retention of SPION-labeled cells in even deeper brain regions such as the striatum and ventral cortex. There, up to 90% of hNPCs observed contained SPIONs compared to 60% to 70% with the less powerful magnet. Fewer cells were observed at 24 h posttreatment compared to 2 h (primarily in the dorsal cortex). These results demonstrate that magnetic attraction can substantially enhance the retention of stem cells after FUS-mediated BBBD. This procedure could provide a safer and less invasive approach for delivering stem cells to the brain, compared to direct intracranial injections, substantially reducing the risk of bleeding and infection.
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Affiliation(s)
- Wei-Bin Shen
- 1 Department of Pharmacology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Pavlos Anastasiadis
- 2 Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Ben Nguyen
- 2 Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Deborah Yarnell
- 3 Neurology Service, VA Maryland Healthcare System, Baltimore, MD, USA
| | - Paul J Yarowsky
- 1 Department of Pharmacology, University of Maryland School of Medicine, Baltimore, MD, USA.,4 Research Service, VA Maryland Healthcare System, Baltimore, MD, USA
| | - Victor Frenkel
- 2 Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland School of Medicine, Baltimore, MD, USA.,5 Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Paul S Fishman
- 3 Neurology Service, VA Maryland Healthcare System, Baltimore, MD, USA.,6 Department of Neurology, University of Maryland School of Medicine, Baltimore, MD, USA
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10
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Blondiaux E, Pidial L, Autret G, Rahmi G, Balvay D, Audureau E, Wilhelm C, Guerin CL, Bruneval P, Silvestre JS, Menasché P, Clément O. Bone marrow-derived mesenchymal stem cell-loaded fibrin patches act as a reservoir of paracrine factors in chronic myocardial infarction. J Tissue Eng Regen Med 2017; 11:3417-3427. [DOI: 10.1002/term.2255] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2015] [Revised: 04/25/2016] [Accepted: 07/03/2016] [Indexed: 11/07/2022]
Affiliation(s)
- Eléonore Blondiaux
- Paris Cardiovascular Research Center, INSERM U970; Université Paris Descartes, Sorbonne Paris Cité; Paris
- Radiology Department; Assistance Publique - Hôpitaux de Paris, Hôpital Trousseau, Université Pierre et Marie Curie; Paris
| | - Laetitia Pidial
- Paris Cardiovascular Research Center, INSERM U970; Université Paris Descartes, Sorbonne Paris Cité; Paris
| | - Gwennhael Autret
- Paris Cardiovascular Research Center, INSERM U970; Université Paris Descartes, Sorbonne Paris Cité; Paris
- Plateforme d'imagerie du petit animal, Université Paris Descartes, Sorbonne Paris Cité; Paris
| | - Gabriel Rahmi
- Paris Cardiovascular Research Center, INSERM U970; Université Paris Descartes, Sorbonne Paris Cité; Paris
| | - Daniel Balvay
- Paris Cardiovascular Research Center, INSERM U970; Université Paris Descartes, Sorbonne Paris Cité; Paris
- Plateforme d'imagerie du petit animal, Université Paris Descartes, Sorbonne Paris Cité; Paris
| | - Etienne Audureau
- Public Health Department; Hôpital Henri Mondor, Créteil, LIC EA4393, Assistance Publique - Hôpitaux de Paris, Université Paris Est; Créteil
| | - Claire Wilhelm
- Laboratoire matières et systèmes complexes (MSC), UMR 7057 CNRS, Université Paris-Diderot; Paris
| | - Coralie L. Guerin
- Paris Cardiovascular Research Center, INSERM U970; Université Paris Descartes, Sorbonne Paris Cité; Paris
| | - Patrick Bruneval
- Department of Pathology; Hôpital Européen Georges Pompidou, Assistance Publique - Hôpitaux de Paris; Paris
| | - Jean-Sébastien Silvestre
- Paris Cardiovascular Research Center, INSERM U970; Université Paris Descartes, Sorbonne Paris Cité; Paris
| | - Philippe Menasché
- Paris Cardiovascular Research Center, INSERM U970; Université Paris Descartes, Sorbonne Paris Cité; Paris
- Department of Cardiovascular Surgery; Assistance Publique - Hôpitaux de Paris, Hôpital Européen Georges Pompidou; Paris
| | - Olivier Clément
- Paris Cardiovascular Research Center, INSERM U970; Université Paris Descartes, Sorbonne Paris Cité; Paris
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11
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Mazuel F, Espinosa A, Luciani N, Reffay M, Le Borgne R, Motte L, Desboeufs K, Michel A, Pellegrino T, Lalatonne Y, Wilhelm C. Massive Intracellular Biodegradation of Iron Oxide Nanoparticles Evidenced Magnetically at Single-Endosome and Tissue Levels. ACS NANO 2016; 10:7627-38. [PMID: 27419260 DOI: 10.1021/acsnano.6b02876] [Citation(s) in RCA: 134] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Quantitative studies of the long-term fate of iron oxide nanoparticles inside cells, a prerequisite for regenerative medicine applications, are hampered by the lack of suitable biological tissue models and analytical methods. Here, we propose stem-cell spheroids as a tissue model to track intracellular magnetic nanoparticle transformations during long-term tissue maturation. We show that global spheroid magnetism can serve as a fingerprint of the degradation process, and we evidence a near-complete nanoparticle degradation over a month of tissue maturation, as confirmed by electron microscopy. Remarkably, the same massive degradation was measured at the endosome level by single-endosome nanomagnetophoretic tracking in cell-free endosomal extract. Interestingly, this spectacular nanoparticle breakdown barely affected iron homeostasis: only the genes coding for ferritin light chain (iron loading) and ferroportin (iron export) were up-regulated 2-fold by the degradation process. Besides, the magnetic and tissular tools developed here allow screening of the biostability of magnetic nanomaterials, as demonstrated with iron oxide nanocubes and nanodimers. Hence, stem-cell spheroids and purified endosomes are suitable models needed to monitor nanoparticle degradation in conjunction with magnetic, chemical, and biological characterizations at the cellular scale, quantitatively, in the long term, in situ, and in real time.
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Affiliation(s)
- François Mazuel
- Laboratoire Matière et Systèmes Complexes (MSC), UMR 7057, CNRS and Université Paris Diderot , 75205 Cedex 05 Paris, France
| | - Ana Espinosa
- Laboratoire Matière et Systèmes Complexes (MSC), UMR 7057, CNRS and Université Paris Diderot , 75205 Cedex 05 Paris, France
| | - Nathalie Luciani
- Laboratoire Matière et Systèmes Complexes (MSC), UMR 7057, CNRS and Université Paris Diderot , 75205 Cedex 05 Paris, France
| | - Myriam Reffay
- Laboratoire Matière et Systèmes Complexes (MSC), UMR 7057, CNRS and Université Paris Diderot , 75205 Cedex 05 Paris, France
| | - Rémi Le Borgne
- ImagoSeine, Electron Microscopy Facility, Institut Jacques Monod, CNRS UMR 7592, Université Paris Diderot , Sorbonne Paris Cité, 75205 Cedex 13 Paris, France
| | - Laurence Motte
- Inserm, U1148, Laboratory for Vascular Translational Science, UFR SMBH, Université Paris 13, Sorbonne Paris Cité, F-93017 Bobigny, France
| | - Karine Desboeufs
- LISA, CNRS UMR 7583, Université Paris-Diderot and Université Paris-Est Créteil, 94400 Créteil, France
| | - Aude Michel
- Sorbonne Universités, Physicochimie des Electrolytes et Nanosystèmes InterfaciauX (PHENIX), UMR 8234, Université Pierre et Marie Curie UPMC-CNRS, 75252 Cedex 05 Paris, France
| | | | - Yoann Lalatonne
- Inserm, U1148, Laboratory for Vascular Translational Science, UFR SMBH, Université Paris 13, Sorbonne Paris Cité, F-93017 Bobigny, France
- Service de Médecine Nucléaire, Hôpital Avicenne Assistance Publique-Hôpitaux de Paris, F-93009 Bobigny, France
| | - Claire Wilhelm
- Laboratoire Matière et Systèmes Complexes (MSC), UMR 7057, CNRS and Université Paris Diderot , 75205 Cedex 05 Paris, France
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12
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Wang J, Xiang B, Deng J, Lin HY, Zheng D, Freed DH, Arora RC, Tian G. Externally Applied Static Magnetic Field Enhances Cardiac Retention and Functional Benefit of Magnetically Iron-Labeled Adipose-Derived Stem Cells in Infarcted Hearts. Stem Cells Transl Med 2016; 5:1380-1393. [PMID: 27400797 DOI: 10.5966/sctm.2015-0220] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Accepted: 01/25/2016] [Indexed: 01/22/2023] Open
Abstract
: Although adipose-derived stem cells (ASCs) hold the promise of effective therapy for myocardial infarction, low cardiac retention of implanted ASCs has hindered their therapeutic efficiency. We investigated whether an externally applied static magnetic field (SMF) enhances cardiac localization of "magnetic" cells and promotes heart function recovery when ASCs are preloaded with superparamagnetic iron oxide (SPIO) nanoparticles. The influence of SMF (0.1 Tesla) on the biological activities of SPIO-labeled ASCs (SPIOASCs) was investigated first. Fifty-six female rats with myocardial infarction underwent intramyocardial injection of cell culture medium (CCM) or male SPIOASCs with or without the subcutaneous implantable magnet (CCM-magnet or SPIOASC-magnet). Four weeks later, endothelial differentiation, angiogenic cytokine secretion, angiogenesis, cardiomyocyte apoptosis, cell retention, and cardiac performance were examined. The 0.1-Tsela SMF did not adversely affect the viability, proliferation, angiogenic cytokine secretion, and DNA integrity of SPIOASCs. The implanted SPIOASCs could differentiate into endothelial cell, incorporate into newly formed vessels, and secrete multiple angiogenic cytokines. Four weeks after cell transplantation, the number of cardiac SPIOASCs was significantly increased, vascular density was markedly enlarged, fewer apoptotic cardiomyocytes were present, and heart contractile function was substantially improved in the SPIOASC-magnet treated rats in comparison with the SPIOASC-treated rats. The SPIOASCs could differentiate into endothelial cells, incorporate into vessels, promote angiogenesis, and inhibit ischemic cardiomyocyte apoptosis. An externally applied SMF offered a secure environment for biological properties of SPIOASCs, increased the cardiac retention of implanted magnetic SPIOASCs, and further enhanced heart function recovery after myocardial infarction. SIGNIFICANCE This pilot proof-of-concept study suggests that a 0.1-Tesla static magnetic field does not adversely affect the viability, proliferation, angiogenic cytokine secretion, or DNA integrity of the superparamagnetic iron oxide-labeled adipose-derived stem cells (SPIOASCs). Implantation of adipose-derived stem cells promotes myocardial neovascularization and inhibits ischemic cardiomyocyte apoptosis through endothelial differentiation, incorporation into vessels, and paracrine factor secretion. An externally applied static magnetic field enhanced myocardial retention of intramyocardially injected "magnetic" SPIOASCs and promoted cardiac function recovery after myocardial infarction. With further preclinical optimization, this approach may improve the outcome of current stem cell therapy for ischemic myocardial infarction.
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Affiliation(s)
- Jian Wang
- Department of Vascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China National Research Council of Canada, Winnipeg, Manitoba, Canada Department of Physiology, Faculty of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Bo Xiang
- National Research Council of Canada, Winnipeg, Manitoba, Canada Department of Pharmacology and Therapeutics Faculty of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Jixian Deng
- National Research Council of Canada, Winnipeg, Manitoba, Canada Department of Physiology, Faculty of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Hung-Yu Lin
- National Research Council of Canada, Winnipeg, Manitoba, Canada
| | - Dayang Zheng
- National Research Council of Canada, Winnipeg, Manitoba, Canada Department of Physiology, Faculty of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada Department of Cardiothoracic Surgery, The Second Affiliated Hospital of University of South China, Hengyang, Hunan, People's Republic of China
| | - Darren H Freed
- National Research Council of Canada, Winnipeg, Manitoba, Canada Department of Physiology, Faculty of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada Division of Cardiac Surgery, University of Alberta Hospital, Edmonton, Alberta, Canada
| | - Rakesh C Arora
- National Research Council of Canada, Winnipeg, Manitoba, Canada Department of Physiology, Faculty of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada Cardiac Science Program, Institute of Cardiovascular Science, St. Boniface General Hospital, Winnipeg, Manitoba, Canada
| | - Ganghong Tian
- National Research Council of Canada, Winnipeg, Manitoba, Canada Department of Physiology, Faculty of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
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Park JH, Hong D, Lee J, Choi IS. Cell-in-Shell Hybrids: Chemical Nanoencapsulation of Individual Cells. Acc Chem Res 2016; 49:792-800. [PMID: 27127837 DOI: 10.1021/acs.accounts.6b00087] [Citation(s) in RCA: 110] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Nature has developed a fascinating strategy of cryptobiosis ("secret life") for counteracting the stressful, and often lethal, environmental conditions that fluctuate sporadically over time. For example, certain bacteria sporulate to transform from a metabolically active, vegetative state to an ametabolic endospore state. The bacterial endospores, encased within tough biomolecular shells, withstand the extremes of harmful stressors, such as radiation, desiccation, and malnutrition, for extended periods of time and return to a vegetative state by breaking their protective shells apart when their environment becomes hospitable for living. Certain ciliates and even higher organisms, for example, tardigrades, and others are also found to adopt a cryptobiotic strategy for survival. A common feature of cryptobiosis is the structural presence of tough sheaths on cellular structures. However, most cells and cellular assemblies are not "spore-forming" and are vulnerable to the outside threats. In particular, mammalian cells, enclosed with labile lipid bilayers, are highly susceptible to in vitro conditions in the laboratory and daily life settings, making manipulation and preservation difficult outside of specialized conditions. The instability of living cells has been a main bottleneck to the advanced development of cell-based applications, such as cell therapy and cell-based sensors. A judicious question arises: can cellular tolerance against harmful stresses be enhanced by simply forming cell-in-shell hybrid structures? Experimental results suggest that the answer is yes. A micrometer-sized "Iron Man" can be generated by chemically forming an ultrathin (<100 nm) but durable shell on a "non-spore-forming" cell. Since the report on silica nanoencapsulation of yeast cells, in which cytoprotective yeast-in-silica hybrids were formed, several synthetic strategies have been developed to encapsulate individual cells in a cytocompatible fashion, mimicking the cryptobiotic cell-in-shell structures found in nature, for example, bacterial endospores. Bioinspired silicification and phenolics-based coatings are, so far, the main approaches to the formation of cytoprotective cell-in-shell hybrids, because they ensure cell viability during encapsulations and also generate durable nanoshells on cell surfaces. The resulting cell-in-shell hybrids extrinsically possess enhanced resistance to external aggressors, and more intriguingly, the encapsulation alters their metabolic activity, exemplified by retarded or suppressed cell cycle progression. In addition, recent developments in the field have further advanced the synthetic tools available to the stage of chemical sporulation and germination of mammalian cells, where cytoprotective shells are formed on labile mammalian cells and broken apart on demand. For example, individual HeLa cells are coated with a metal-organic complex of ferric ion and tannic acid, and cellular adherence and proliferation are controlled by the programmed shell formation and degradation. Based on these demonstrations, the (degradable) cell-in-shell hybrids are anticipated to find their applications in various biomedical and bionanotechnological areas, such as cytotherapeutics, high-throughput screening, sensors, and biocatalysis, as well as providing a versatile research platform for single-cell biology.
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Affiliation(s)
- Ji Hun Park
- Center for Cell-Encapsulation
Research, Department of Chemistry, KAIST, Daejeon 34141, Korea
| | - Daewha Hong
- Center for Cell-Encapsulation
Research, Department of Chemistry, KAIST, Daejeon 34141, Korea
| | - Juno Lee
- Center for Cell-Encapsulation
Research, Department of Chemistry, KAIST, Daejeon 34141, Korea
| | - Insung S. Choi
- Center for Cell-Encapsulation
Research, Department of Chemistry, KAIST, Daejeon 34141, Korea
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Inhibition of Viability, Proliferation, Cytokines Secretion, Surface Antigen Expression, and Adipogenic and Osteogenic Differentiation of Adipose-Derived Stem Cells by Seven-Day Exposure to 0.5 T Static Magnetic Fields. Stem Cells Int 2016; 2016:7168175. [PMID: 26880984 PMCID: PMC4736570 DOI: 10.1155/2016/7168175] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2015] [Revised: 11/24/2015] [Accepted: 11/26/2015] [Indexed: 01/12/2023] Open
Abstract
After seven-day exposure to 0.5-Tesla Static Magnetic Field (SMF), Adipose-derived Stem Cells (ASCs) and those labeled by superparamagnetic iron oxide (SPIO) nanoparticles were examined for viability by methyl thiazol tetrazolium (MTT) assay, proliferation by cell counting and bromodeoxyuridine (BrdU) incorporation, DNA integrity by single cell gel electrophoresis, surface antigen by flow cytometry analysis, and the expression of cytokines and genetic markers by reverse transcription-PCR and underwent adipogenic and osteogenic differentiation assessed by quantifying related specific genes expression. The SMF slightly reduced cell viability and proliferation and inhibited the expression of CD49d, CD54, and CD73 but did not damage DNA integrity. The SMF slightly downregulated the expression of cytokines including Vascular Endothelial Growth Factor (VEGF), Insulin-like Growth Factor-1 (IGF-1), Transforming Growth Factor Beta 1 (TGF-β1), genetic markers comprising Stem Cell Antigen-1 (Sca1), Octamer-4 (Oct-4), ATP-binding Cassette Subfamily B Member 1 (ABCB1), adipogenic marker genes containing Lipoprotein Lipase (LPL), Peroxisome Proliferator-Activated Receptor Gamma (PPAR-γ), and osteogenic marker genes including Secreted Phosphor-protein 1 (SPP1) and Osterix (OSX). Exposure to 0.5 T SMF for seven days inhibited viability, proliferation, surface antigen expression, cytokine secretion, stem cell genetic marker expression, and adipogenic and osteogenic differentiation but did not affect the DNA integrity in ASCs with or without SPIO labeling.
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15
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Zeinali Sehrig F, Majidi S, Asvadi S, Hsanzadeh A, Rasta SH, Emamverdy M, Akbarzadeh J, Jahangiri S, Farahkhiz S, Akbarzadeh A. An update on clinical applications of magnetic nanoparticles for increasing the resolution of magnetic resonance imaging. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2015; 44:1583-8. [DOI: 10.3109/21691401.2015.1101001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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16
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Tefft BJ, Uthamaraj S, Harburn JJ, Klabusay M, Dragomir-Daescu D, Sandhu GS. Cell Labeling and Targeting with Superparamagnetic Iron Oxide Nanoparticles. J Vis Exp 2015:e53099. [PMID: 26554870 DOI: 10.3791/53099] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Targeted delivery of cells and therapeutic agents would benefit a wide range of biomedical applications by concentrating the therapeutic effect at the target site while minimizing deleterious effects to off-target sites. Magnetic cell targeting is an efficient, safe, and straightforward delivery technique. Superparamagnetic iron oxide nanoparticles (SPION) are biodegradable, biocompatible, and can be endocytosed into cells to render them responsive to magnetic fields. The synthesis process involves creating magnetite (Fe3O4) nanoparticles followed by high-speed emulsification to form a poly(lactic-co-glycolic acid) (PLGA) coating. The PLGA-magnetite SPIONs are approximately 120 nm in diameter including the approximately 10 nm diameter magnetite core. When placed in culture medium, SPIONs are naturally endocytosed by cells and stored as small clusters within cytoplasmic endosomes. These particles impart sufficient magnetic mass to the cells to allow for targeting within magnetic fields. Numerous cell sorting and targeting applications are enabled by rendering various cell types responsive to magnetic fields. SPIONs have a variety of other biomedical applications as well including use as a medical imaging contrast agent, targeted drug or gene delivery, diagnostic assays, and generation of local hyperthermia for tumor therapy or tissue soldering.
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Affiliation(s)
| | | | | | - Martin Klabusay
- Regional Center for Applied Molecular Oncology, Masaryk Memorial Cancer Institute
| | - Dan Dragomir-Daescu
- Division of Engineering, Mayo Clinic; Mayo Clinic College of Medicine, Mayo Clinic;
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Connell JJ, Patrick PS, Yu Y, Lythgoe MF, Kalber TL. Advanced cell therapies: targeting, tracking and actuation of cells with magnetic particles. Regen Med 2015; 10:757-72. [PMID: 26390317 DOI: 10.2217/rme.15.36] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Regenerative medicine would greatly benefit from a new platform technology that enabled measurable, controllable and targeting of stem cells to a site of disease or injury in the body. Superparamagnetic iron-oxide nanoparticles offer attractive possibilities in biomedicine and can be incorporated into cells, affording a safe and reliable means of tagging. This review describes three current and emerging methods to enhance regenerative medicine using magnetic particles to guide therapeutic cells to a target organ; track the cells using MRI and assess their spatial localization with high precision and influence the behavior of the cell using magnetic actuation. This approach is complementary to the systemic injection of cell therapies, thus expanding the horizon of stem cell therapeutics.
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Affiliation(s)
- John J Connell
- UCL Centre of Advanced Biomedical Imaging, Division of Medicine, University College London, Paul O'Gorman Building, 72 Huntley Street, London, WC1E 6DD, UK
| | - P Stephen Patrick
- UCL Centre of Advanced Biomedical Imaging, Division of Medicine, University College London, Paul O'Gorman Building, 72 Huntley Street, London, WC1E 6DD, UK
| | - Yichao Yu
- UCL Centre of Advanced Biomedical Imaging, Division of Medicine, University College London, Paul O'Gorman Building, 72 Huntley Street, London, WC1E 6DD, UK
| | - Mark F Lythgoe
- UCL Centre of Advanced Biomedical Imaging, Division of Medicine, University College London, Paul O'Gorman Building, 72 Huntley Street, London, WC1E 6DD, UK
| | - Tammy L Kalber
- UCL Centre of Advanced Biomedical Imaging, Division of Medicine, University College London, Paul O'Gorman Building, 72 Huntley Street, London, WC1E 6DD, UK
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18
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Zhang RP, Xu C, Liu Y, Li JD, Xie J. Visual bone marrow mesenchymal stem cell transplantation in the repair of spinal cord injury. Neural Regen Res 2015; 10:404-11. [PMID: 25878588 PMCID: PMC4396102 DOI: 10.4103/1673-5374.153688] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/08/2015] [Indexed: 12/23/2022] Open
Abstract
An important factor in improving functional recovery from spinal cord injury using stem cells is maximizing the number of transplanted cells at the lesion site. Here, we established a contusion model of spinal cord injury by dropping a weight onto the spinal cord at T7-8. Superparamagnetic iron oxide-labeled bone marrow mesenchymal stem cells were transplanted into the injured spinal cord via the subarachnoid space. An outer magnetic field was used to successfully guide the labeled cells to the lesion site. Prussian blue staining showed that more bone marrow mesenchymal stem cells reached the lesion site in these rats than in those without magnetic guidance or superparamagnetic iron oxide labeling, and immunofluorescence revealed a greater number of complete axons at the lesion site. Moreover, the Basso, Beattie and Bresnahan (BBB) locomotor rating scale scores were the highest in rats with superparamagnetic labeling and magnetic guidance. Our data confirm that superparamagnetic iron oxide nanoparticles effectively label bone marrow mesenchymal stem cells and impart sufficient magnetism to respond to the external magnetic field guides. More importantly, superparamagnetic iron oxide-labeled bone marrow mesenchymal stem cells can be dynamically and non-invasively tracked in vivo using magnetic resonance imaging. Superparamagnetic iron oxide labeling of bone marrow mesenchymal stem cells coupled with magnetic guidance offers a promising avenue for the clinical treatment of spinal cord injury.
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Affiliation(s)
- Rui-ping Zhang
- Department of Radiology, First Hospital, Shanxi Medical University, Taiyuan, Shanxi Province, China
- Molecular Imaging Program at Stanford, Stanford University, Stanford, CA, USA
| | - Cheng Xu
- Department of Radiology, Shanxi Provincial People's Hospital, Taiyuan, Shanxi Province, China
| | - Yin Liu
- Department of Radiology, First Hospital, Shanxi Medical University, Taiyuan, Shanxi Province, China
| | - Jian-ding Li
- Department of Radiology, First Hospital, Shanxi Medical University, Taiyuan, Shanxi Province, China
| | - Jun Xie
- Department of Molecular Biology, Shanxi Medical University, Taiyuan, Shanxi Province, China
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Steplewski A, Fertala J, Beredjiklian P, Wang ML, Fertala A. Matrix-specific anchors: a new concept for targeted delivery and retention of therapeutic cells. Tissue Eng Part A 2015; 21:1207-16. [PMID: 25435302 DOI: 10.1089/ten.tea.2014.0401] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Biomedical strategies for tissue engineering and repair utilize specific cells, scaffolds, and growth factors to reconstruct elements of damaged tissue. The cellular element of these strategies is limited, however, by poor efficiency of delivery and retention of therapeutic cells in target sites. We propose that the presence of a cellular anchor that is able to specifically bind a defined element of target tissue will facilitate efficient binding and retention of therapeutic cells, thereby promoting repair of the target site. To do so, we engineered an artificial collagen-specific anchor (ACSA) that is able to specifically bind collagen I. The ACSA was engineered by creating a construct comprising rationally designed consecutive domains. The binding specificity of the ACSA was achieved by employing variable regions of a monoclonal antibody that recognizes a unique epitope present in human collagen I. Meanwhile, cell membrane localization of the ACSA was provided by the presence of a transmembrane domain. We determined that the ACSA was localized within cell membranes and interacted with its intended target, that is, collagen I. We have demonstrated that, in comparison to the control, the cells expressing the ACSA attached better to collagen I and exhibited improved retention in sites of seeding. We have also demonstrated that the presence of the ACSA did not interfere with cell proliferation, the biosynthesis of endogenous collagen I, or the biological functions of native collagen receptors. Since the presented cell delivery system utilizes a common characteristic of major connective tissues, namely the presence of collagen I, the findings described here could have a broad positive impact for improving the repair processes of tendon, ligament, bone, intervertebral disc, skin, and other collagen I-rich connective tissues. If successful, the ACSA approach to deliver cells will serve as an outline for developing cell delivery methods that target other elements of extracellular matrices, including other collagen types, laminins, and fibronectins.
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Affiliation(s)
- Andrzej Steplewski
- 1 Division of Orthopaedic Research, Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University , Philadelphia, Pennsylvania
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20
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Shen Y, Liu X, Huang Z, Pei N, Xu J, Li Z, Wang Y, Qian J, Ge J. Comparison of Magnetic Intensities for Mesenchymal Stem Cell Targeting Therapy on Ischemic Myocardial Repair: High Magnetic Intensity Improves Cell Retention but Has no Additional Functional Benefit. Cell Transplant 2014; 24:1981-97. [PMID: 25375750 DOI: 10.3727/096368914x685302] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Magnetic targeting has the potential to enhance the therapeutic effects of stem cells through increasing retention of transplanted cells. To investigate the effects of magnetic targeting intensities on cell transplantation, we performed different magnetic intensities for mesenchymal stem cell (MSC)-targeting therapy in a rat model of ischemia/reperfusion. Rat MSCs labeled with superparamagnetic oxide nanoparticles (SPIOs) were injected into the left ventricular (LV) cavity of rats during a brief aorta and pulmonary artery occlusion. The 0.15 Tesla (T), 0.3 T, and 0.6 T magnets were placed 0∼1 mm above the injured myocardium during and after the injection of 1 × 10(6) MSCs. Fluorescence imaging and quantitative PCR revealed that magnetic targeting enhanced cell retention in the heart at 24 h in a magnetic field strength-dependent manner. Compared with the 0 T group, three magnetic targeting groups enhanced varying cell engraftment at 3 weeks, at which time LV remodeling was maximally attenuated, and the therapeutic benefit (LV ejection fraction) was also highest in the 0.3 T groups. Interestingly, due to the low MSC engraftment resulting from microvascular embolisms, the 0.6 T group failed to translate into additional therapeutic outcomes, though it had the highest cell retention. Magnetic targeting enhances cell retention in a magnetic field strength-dependent manner. However, too high of a magnetic intensity may result in microembolization and consequently undermine the functional benefits of cell transplantation.
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Affiliation(s)
- Yunli Shen
- Department of Cardiology, Shanghai East Hospital, Tongji University, Shanghai, China
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21
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Huang Z, Shen Y, Sun A, Huang G, Zhu H, Huang B, Xu J, Song Y, Pei N, Ma J, Yang X, Zou Y, Qian J, Ge J. Magnetic targeting enhances retrograde cell retention in a rat model of myocardial infarction. Stem Cell Res Ther 2014; 4:149. [PMID: 24330751 PMCID: PMC4055006 DOI: 10.1186/scrt360] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2013] [Revised: 05/14/2013] [Accepted: 12/02/2013] [Indexed: 02/06/2023] Open
Abstract
Introduction Retrograde coronary venous infusion is a promising delivery method for cellular cardiomyoplasty. Poor cell retention is the major obstacle to the establishment of this method as the preferred route for cell delivery. Here, we explored whether magnetic targeting could enhance retrograde cell retention in a rat model of myocardial infarction. Methods Rat mesenchymal stem cells were labeled with superparamagnetic oxide nanoparticles. The magnetic responsiveness of MSCs was observed while cells flowed through a tube that served as a model of blood vessels in a 0.6-Tesla magnetic field. In a Sprague–Dawley rat model of acute myocardial infarction, 1 × 106 magnetic mesenchymal stem cells were transjugularly injected into the left cardiac vein while a 0.6-Tesla magnet was placed above the heart. The cardiac retention of transplanted cells was assessed by using quantitative Y chromosome-specific polymerase chain reaction, cardiac magnetic resonance imaging, and optical imaging. Cardiac function was measured by using echocardiography, and histologic analyses of infarct morphology and angiogenesis were obtained. Results The flowing iron oxide-labeled mesenchymal stem cells were effectively attracted to the area where the magnet was positioned. Twenty-four hours after cellular retrocoronary delivery, magnetic targeting significantly increased the cardiac retention of transplanted cells by 2.73- to 2.87-fold. Histologic analyses showed that more transplanted cells were distributed in the anterior wall of the left ventricle. The enhanced cell engraftment persisted for at least 3 weeks, at which time, left ventricular remodeling was attenuated, and cardiac function benefit was improved. Conclusions These results suggest that magnetic targeting offers new perspectives for retrograde coronary venous delivery to enhance cell retention and subsequent functional benefit in heart diseases.
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Kolosnjaj-Tabi J, Javed Y, Lartigue L, Péchoux C, Luciani N, Alloyeau D, Gazeau F. [Life cycle of magnetic nanoparticles in the organism]. Biol Aujourdhui 2014; 208:177-90. [PMID: 25190577 DOI: 10.1051/jbio/2014021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2014] [Indexed: 11/14/2022]
Abstract
The use of nanomaterials drastically increases and yet their behavior in living organisms remains poorly examined. At the same time a better comprehension of the interactions between nanoparticles and the biological environment would allow us to limit potential nanoparticle-based toxicity and fully exploit nanoparticles medical applications. In this perspective, it is high time we develop methods to detect, quantify and follow the evolution of nanoparticles in the complex biological environment, spanning all relevant scales from the nanometer up to the tissue level. In this work we follow the life cycle of magnetic nanoparticles in vivo, focusing on their transformations over time from administration to elimination. As opposed to traditional nano-toxicological approaches, we herein take the nanoparticle perspective and try to establish how biological environment might impact the particles properties and their fate (interaction with proteins, cell confinement, degradation...) from their initial state to a series of changes a nanoparticle might undergo on its journey throughout the organism.
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Affiliation(s)
- Jelena Kolosnjaj-Tabi
- Laboratoire Matière et Systèmes Complexes, CNRS - Université Paris Diderot, 75205 Paris Cedex 13, France
| | - Yasir Javed
- Laboratoire Matériaux et Phénomènes Quantiques, CNRS - Université Paris Diderot, 75205 Paris Cedex 13, France
| | - Lénaïc Lartigue
- Laboratoire Matière et Systèmes Complexes, CNRS - Université Paris Diderot, 75205 Paris Cedex 13, France - Laboratoire Matériaux et Phénomènes Quantiques, CNRS - Université Paris Diderot, 75205 Paris Cedex 13, France
| | - Christine Péchoux
- INRA UMR 1313 - Génétique Animale et Biologie Intégrative - Plate-forme MIMA2, 78352 Jouy-en-Josas Cedex, France
| | - Nathalie Luciani
- Laboratoire Matière et Systèmes Complexes, CNRS - Université Paris Diderot, 75205 Paris Cedex 13, France
| | - Damien Alloyeau
- Laboratoire Matériaux et Phénomènes Quantiques, CNRS - Université Paris Diderot, 75205 Paris Cedex 13, France
| | - Florence Gazeau
- Laboratoire Matière et Systèmes Complexes, CNRS - Université Paris Diderot, 75205 Paris Cedex 13, France
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Modo M, Kolosnjaj-Tabi J, Nicholls F, Ling W, Wilhelm C, Debarge O, Gazeau F, Clement O. Considerations for the clinical use of contrast agents for cellular MRI in regenerative medicine. CONTRAST MEDIA & MOLECULAR IMAGING 2014; 8:439-55. [PMID: 24375900 DOI: 10.1002/cmmi.1547] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2013] [Revised: 04/21/2013] [Accepted: 05/09/2013] [Indexed: 12/24/2022]
Abstract
Advances in regenerative medicine are rapidly transforming healthcare. A cornerstone of regenerative medicine is the introduction of cells that were grown or manipulated in vitro. Key questions that arise after these cells are re-introduced are: whether these cells are localized in the appropriate site; whether cells survive; and whether these cells migrate. These questions predominantly relate to the safety of the therapeutic approach (i.e. tumorigenesis), but certain aspects can also influence the efficacy of the therapeutic approach (e.g. site of injection). The European Medicines Agency has indicated that suitable methods for stem cell tracking should be applied where these methods are available. We here discuss the European regulatory framework, as well as the scientific evidence, that should be considered to facilitate the potential clinical implementation of magnetic resonance imaging contrast media to track implanted/injected cells in human studies.
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Affiliation(s)
- Michel Modo
- University of Pittsburgh, Department of Radiology, McGowan Institute for Regenerative Medicine, Pittsburgh, PA, 15203, USA
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24
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Shapiro B, Kulkarni S, Nacev A, Sarwar A, Preciado D, Depireux D. Shaping Magnetic Fields to Direct Therapy to Ears and Eyes. Annu Rev Biomed Eng 2014; 16:455-81. [DOI: 10.1146/annurev-bioeng-071813-105206] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- B. Shapiro
- Fischell Department of Bioengineering,
- The Institute for Systems Research (ISR), University of Maryland, College Park, Maryland 20742;
| | | | - A. Nacev
- Fischell Department of Bioengineering,
| | - A. Sarwar
- Fischell Department of Bioengineering,
| | - D. Preciado
- Otolaryngology, Sheikh Zayed Institute for Pediatric Surgical Innovation, Children's National Medical Center, Washington, DC 20010
| | - D.A. Depireux
- The Institute for Systems Research (ISR), University of Maryland, College Park, Maryland 20742;
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25
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Kolosnjaj-Tabi J, Wilhelm C, Clément O, Gazeau F. Cell labeling with magnetic nanoparticles: opportunity for magnetic cell imaging and cell manipulation. J Nanobiotechnology 2013; 11 Suppl 1:S7. [PMID: 24564857 PMCID: PMC4029272 DOI: 10.1186/1477-3155-11-s1-s7] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
This tutorial describes a method of controlled cell labeling with citrate-coated ultra small superparamagnetic iron oxide nanoparticles. This method may provide basically all kinds of cells with sufficient magnetization to allow cell detection by high-resolution magnetic resonance imaging (MRI) and to enable potential magnetic manipulation. In order to efficiently exploit labeled cells, quantify the magnetic load and deliver or follow-up magnetic cells, we herein describe the main requirements that should be applied during the labeling procedure. Moreover we present some recommendations for cell detection and quantification by MRI and detail magnetic guiding on some real-case studies in vitro and in vivo.
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26
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The effect of nonuniform magnetic targeting of intracoronary-delivering mesenchymal stem cells on coronary embolisation. Biomaterials 2013; 34:9905-16. [PMID: 24055521 DOI: 10.1016/j.biomaterials.2013.08.092] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2013] [Accepted: 08/31/2013] [Indexed: 01/10/2023]
Abstract
Magnetic targeting has been recently introduced to enhance cell retention in animals with acute myocardial infarction. However, it is unclear whether the magnetic accumulation of intravascular cells increases the risk of coronary embolism. Upon finite element analysis, we found that the permanent magnetic field was nonuniform, manifestated as attenuation along the vertical axis and polarisation along the horizontal axis. In the in vitro experiments, iron-labelled mesenchymal stem cells (MSCs) were accumulated in layers predominantly at the edge of the magnet. In an ischaemic rat model subjected to intracavitary MSCs injection, magnetic targeting induced unfavourable vascular embolisation and an inhomogeneous distribution of the donor cells, which prevented the enhanced cell retention from translating into additional functional benefit. These potential complications of magnetic targeting should be thoroughly investigated and overcome before clinical application.
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27
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Wilhelm C, Gazeau F. [Magnetic nanoparticles as tools for cell therapy]. Biol Aujourdhui 2013; 206:273-84. [PMID: 23419254 DOI: 10.1051/jbio/2012024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2012] [Indexed: 11/15/2022]
Abstract
Labelling living cells with magnetic nanoparticles creates opportunities for numerous biomedical applications such as Magnetic Resonance Imaging (MRI) cell tracking, cell manipulation, cell patterning for tissue engineering and magnetically-assisted cell delivery. The unique advantage of magnetic-based methods is to activate or monitor cell behavior by a remote stimulus, the magnetic field. Cell labelling methods using superparamagnetic nanoparticles have been widely developed, showing no adverse effect on cell proliferation and functionalities while conferring magnetic properties to various cell types. This paper first describes how cells can become responsive to magnetic field by safely internalizing magnetic nanoparticles. We next show how magnetic cells can be detected by MRI, giving the opportunity for non-invasive in vivo monitoring of cell migration. We exemplify the fact that MRI cell tracking has become a method of choice to follow the fate of administrated cells in cell therapy assay, whether the cells are grafted locally or administrated in the circulation. Finally we give different examples of magnetic manipulation of cells and their applications to regenerative medicine. Magnetic cell manipulation are forecasted to be more and more developed, in order to improve tissue engineering technique and assist cell-based therapies. Owing to the clinical approval of iron-oxide nanoparticles as MRI contrast agent, there is no major obstacle in the translation to human clinics of the magnetic methods summarized in this paper.
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Affiliation(s)
- Claire Wilhelm
- Laboratoire Matière et Systèmes Complexes, CNRS – Université Paris Diderot, 75205 Paris Cedex 13, France.
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28
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Fayol D, Luciani N, Lartigue L, Gazeau F, Wilhelm C. Managing magnetic nanoparticle aggregation and cellular uptake: a precondition for efficient stem-cell differentiation and MRI tracking. Adv Healthc Mater 2013. [PMID: 23184893 DOI: 10.1002/adhm.201200294] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The labeling of stem cells with iron oxide nanoparticles is increasingly used to enable MRI cell tracking and magnetic cell manipulation, stimulating the fields of tissue engineering and cell therapy. However, the impact of magnetic labeling on stem-cell differentiation is still controversial. One compromising factor for successful differentiation may arise from early interactions of nanoparticles with cells during the labeling procedure. It is hypothesized that the lack of control over nanoparticle colloidal stability in biological media may lead to undesirable nanoparticle localization, overestimation of cellular uptake, misleading MRI cell tracking, and further impairment of differentiation. Herein a method is described for labeling mesenchymal stem cells (MSC), in which the physical state of citrate-coated nanoparticles (dispersed versus aggregated) can be kinetically tuned through electrostatic and magnetic triggers, as monitored by diffusion light scattering in the extracellular medium and by optical and electronic microscopy in cells. A set of statistical cell-by-cell measurements (flow cytometry, single-cell magnetophoresis, and high-resolution MRI cellular detection) is used to independently quantify the nanoparticle cell uptake and the effects of nanoparticle aggregation. Such aggregation confounds MRI cell detection as well as global iron quantification and has adverse effects on chondrogenetic differentiation. Magnetic labeling conditions with perfectly stable nanoparticles-suitable for obtaining differentiation-capable magnetic stem cells for use in cell therapy-are subsequently identified.
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Affiliation(s)
- Delphine Fayol
- Laboratoire Matière et Systèmes Complexes, UMR 7057 CNRS & University Paris Diderot, Paris, France
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29
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Dzamukova MR, Naumenko EA, Lannik NI, Fakhrullin RF. Surface-modified magnetic human cells for scaffold-free tissue engineering. Biomater Sci 2013; 1:810-813. [DOI: 10.1039/c3bm60054h] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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30
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Huang Z, Pei N, Shen Y, Gong Y, Xie X, Sun X, Zou Y, Qian J, Sun A, Ge J. A novel method to delivery stem cells to the injured heart: spatially focused magnetic targeting strategy. J Cell Mol Med 2012; 16:1203-5. [PMID: 22500918 PMCID: PMC3823074 DOI: 10.1111/j.1582-4934.2012.01581.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Affiliation(s)
- Zheyong Huang
- Shanghai Institute of Cardiovascular Diseases Zhongshan Hospital Fudan UniversityShanghai, China
| | - Ning Pei
- College of Science Shanghai UniversityShanghai, China
| | - Yunli Shen
- Shanghai Institute of Cardiovascular Diseases Zhongshan Hospital Fudan UniversityShanghai, China
| | - Yongyong Gong
- College of Science Shanghai UniversityShanghai, China
| | - Xinxing Xie
- Shanghai Institute of Cardiovascular Diseases Zhongshan Hospital Fudan UniversityShanghai, China
| | - Xiaoning Sun
- Shanghai Institute of Cardiovascular Diseases Zhongshan Hospital Fudan UniversityShanghai, China
| | - Yunzeng Zou
- Shanghai Institute of Cardiovascular Diseases Zhongshan Hospital Fudan UniversityShanghai, China
| | - Juying Qian
- Shanghai Institute of Cardiovascular Diseases Zhongshan Hospital Fudan UniversityShanghai, China
| | - Aijun Sun
- Shanghai Institute of Cardiovascular Diseases Zhongshan Hospital Fudan UniversityShanghai, China
| | - Junbo Ge
- Shanghai Institute of Cardiovascular Diseases Zhongshan Hospital Fudan UniversityShanghai, China
- *Correspondence to: Junbo GE, MD, FACC., FESC., FSCAI., or Aijun SUN, MD, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, 180 Feng Lin Road, Shanghai 200032, China. Tel.: +86 21 64041990x2153 Fax: +86 21 64223006 E-mail:
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31
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Personalized nanomedicine advancements for stem cell tracking. Adv Drug Deliv Rev 2012; 64:1488-507. [PMID: 22820528 DOI: 10.1016/j.addr.2012.07.008] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2012] [Accepted: 07/11/2012] [Indexed: 12/12/2022]
Abstract
Recent technological developments in biomedicine have facilitated the generation of data on the anatomical, physiological and molecular level for individual patients and thus introduces opportunity for therapy to be personalized in an unprecedented fashion. Generation of patient-specific stem cells exemplifies the efforts toward this new approach. Cell-based therapy is a highly promising treatment paradigm; however, due to the lack of consistent and unbiased data about the fate of stem cells in vivo, interpretation of therapeutic effects remains challenging hampering the progress in this field. The advent of nanotechnology with a wide palette of inorganic and organic nanostructures has expanded the arsenal of methods for tracking transplanted stem cells. The diversity of nanomaterials has revolutionized personalized nanomedicine and enables individualized tailoring of stem cell labeling materials for the specific needs of each patient. The successful implementation of stem cell tracking will likely be a significant driving force that will contribute to the further development of nanotheranostics. The purpose of this review is to emphasize the role of cell tracking using currently available nanoparticles.
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32
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Kang HJ, Kim JY, Lee HJ, Kim KH, Kim TY, Lee CS, Lee HC, Park TH, Kim HS, Park YB. Magnetic bionanoparticle enhances homing of endothelial progenitor cells in mouse hindlimb ischemia. Korean Circ J 2012; 42:390-6. [PMID: 22787469 PMCID: PMC3390424 DOI: 10.4070/kcj.2012.42.6.390] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2011] [Revised: 10/04/2011] [Accepted: 12/01/2011] [Indexed: 11/11/2022] Open
Abstract
Background and Objectives Poor homing efficiency is one of the major limitations of current stem cell therapy. Magnetic bionanoparticles (MPs) obtained from Magnetospirillum sp. AMB-1 have a lipid bilayer membrane and ferromagnetic properties. We evaluated a novel priming strategy using MPs to enhance the homing of transplanted progenitor cells to target tissue. Materials and Methods Effects of MP on proliferation, viability, and migration of late human endothelial progenitor cells (EPCs) were examined in vitro. Additionally, effects of MP on gene and protein expression related to survival and adhesion were evaluated. Homing and angiogenic efficiency of MP transferred late EPCs was evaluated in nude mouse hindlimb ischemia model. Results Below threshold concentration, MP transfer did not influence proliferation or survival of late EPCs, but enhanced migration and trans-endothelial migration of late EPCs toward magnet. Below threshold concentration, MP transfer did not influence gene and protein expression related to survival. In the mouse hindlimb ischemia model, late EPCs treated with high dose MP (5 ug/mL) showed enhanced homing of injected late EPCs in the ischemic limb by magnet, compared to low dose MP (1 ug/mL) treated late EPCs. In addition, high dose MP transferred EPC showed significantly better improvement of perfusion in ischemic limb compared to untreated EPC. Conclusion MP transfer with magnet application can be a promising novel strategy to enhance homing efficacy and outcomes of current stem cell therapy.
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Affiliation(s)
- Hyun-Jae Kang
- Innovative Research Institute for Cell Therapy, Seoul National University Hospital, Seoul, Korea
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Vallée JP, Hauwel M, Lepetit-Coiffé M, Bei W, Montet-Abou K, Meda P, Gardier S, Zammaretti P, Kraehenbuehl TP, Herrmann F, Hubbell JA, Jaconi ME. Embryonic stem cell-based cardiopatches improve cardiac function in infarcted rats. Stem Cells Transl Med 2012. [PMID: 23197784 DOI: 10.5966/sctm.2011-0028] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Pluripotent stem cell-seeded cardiopatches hold promise for in situ regeneration of infarcted hearts. Here, we describe a novel cardiopatch based on bone morphogenetic protein 2-primed cardiac-committed mouse embryonic stem cells, embedded into biodegradable fibrin matrices and engrafted onto infarcted rat hearts. For in vivo tracking of the engrafted cardiac-committed cells, superparamagnetic iron oxide nanoparticles were magnetofected into the cells, thus enabling detection and functional evaluation by high-resolution magnetic resonance imaging. Six weeks after transplantation into infarcted rat hearts, both local (p < .04) and global (p < .015) heart function, as well as the left ventricular dilation (p < .0011), were significantly improved (p < .001) as compared with hearts receiving cardiopatches loaded with iron nanoparticles alone. Histological analysis revealed that the fibrin scaffolds had degraded over time and clusters of myocyte enhancer factor 2-positive cardiac-committed cells had colonized most of the infarcted myocardium, including the fibrotic area. De novo CD31-positive blood vessels were formed in the vicinity of the transplanted cardiopatch. Altogether, our data provide evidence that stem cell-based cardiopatches represent a promising therapeutic strategy to achieve efficient cell implantation and improved global and regional cardiac function after myocardial infarction.
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Affiliation(s)
- Jean-Paul Vallée
- Department of Radiology, Geneva University Hospitals and University of Geneva, Switzerland
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