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Wu L, Zhang Y, Zhao F, Sheng J, Gu N. Magnetic Characterization of Human Intrinsically Magnetic Monocytes Through a Novel Optical Tracking-Based Magnetic Sensor. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2307306. [PMID: 38312110 DOI: 10.1002/smll.202307306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 01/17/2024] [Indexed: 02/06/2024]
Abstract
Intrinsically magnetic cells naturally occur within organisms and are believed to be linked to iron metabolism and certain cellular functions while the functional significance of this magnetism is largely unexplored. To better understand this property, an approach named Optical Tracking-based Magnetic Sensor (OTMS) has been developed. This multi-target tracking system is designed to measure the magnetic moment of individual cells. The OTMS generates a tunable magnetic field and induces movement in magnetic cells that are subsequently analyzed through a learning-based tracking-by-detection system. The magnetic moment of numerous cells can be calculated simultaneously, thereby providing a quantitative tool to assess cellular magnetic properties within populations. Upon deploying the OTMS, a stable population of magnetic cells in human peripheral monocytes is discovered. Further application in the analysis of clinical blood samples reveals an intriguing pattern: the proportion of magnetic monocytes differs significantly between systemic lupus erythematosus (SLE) patients and healthy volunteers. This variation is positively correlated with disease activity, a trend not observed in patients with rheumatoid arthritis (RA). The study, therefore, presents a new frontier in the investigation of the magnetic characteristics of naturally occurring magnetic cells, opening the door to potential diagnostic and therapeutic applications that leverage cellular magnetism.
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Affiliation(s)
- Linyuan Wu
- Jiangsu Key Laboratory for Biomaterials and Devices, School of Biomedical Engineering, Southeast University, Nanjing, 210009, China
| | - Yuxin Zhang
- Jiangsu Key Laboratory for Biomaterials and Devices, School of Biomedical Engineering, Southeast University, Nanjing, 210009, China
| | - Fengfeng Zhao
- Center of Clinical Laboratory Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, China
| | - Jingyi Sheng
- Jiangsu Key Laboratory for Biomaterials and Devices, School of Biomedical Engineering, Southeast University, Nanjing, 210009, China
| | - Ning Gu
- Jiangsu Key Laboratory for Biomaterials and Devices, School of Biomedical Engineering, Southeast University, Nanjing, 210009, China
- Medical School, Nanjing University, Nanjing, 210093, China
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Li M, Liu Y, Huang B, Zhou G, Pan M, Jin J, Wang F, Wang Y, Ren X, Xu B, Hu B, Gu N. A Self-Homing and Traceable Cardiac Patch Leveraging Ferumoxytol for Spatiotemporal Therapeutic Delivery. ACS NANO 2024; 18:3073-3086. [PMID: 38227475 DOI: 10.1021/acsnano.3c08346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2024]
Abstract
Mesenchymal stem cell (MSC)-based cardiac patches are envisioned to be a promising treatment option for patients with myocardial infarction. However, their therapeutic efficacy and duration are hampered due to their limited retention on the epicardium. We engineered a scaffold-free MSC sheet with an inherent ability to migrate into the infarcted myocardium, a strategy enabled by actively establishing a sustained intracellular hypoxic environment through the endocytosis of our FDA-approved ferumoxytol. This iron oxide nanoparticle stabilized hypoxia-induced factor-1α, triggering upregulation of the CXC chemokine receptor and subsequent MSC chemotaxis. Thus, MSCs integrated into 2/3 depth of the left ventricular anterior wall in a rat model of acute myocardial infarction and persisted for at least 28 days. This led to spatiotemporal delivery of paracrine factors by MSCs, enhancing cardiac regeneration and function. Ferumoxytol also facilitated the noninvasive MRI tracking of implanted MSCs. Our approach introduces a strategy for mobilizing MSC migration, holding promise for rapid clinical translation in myocardial infarction treatment.
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Affiliation(s)
- Mei Li
- Key Laboratory for Bio-Electromagnetic Environment and Advanced Medical Theranostics, School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing 211166, China
- National Demonstration Center for Experimental Basic Medical Education, Nanjing Medical University, Nanjing 211166, China
| | - Yiyi Liu
- Key Laboratory for Bio-Electromagnetic Environment and Advanced Medical Theranostics, School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing 211166, China
| | - Bin Huang
- Key Laboratory for Bio-Electromagnetic Environment and Advanced Medical Theranostics, School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing 211166, China
| | - Gaoxin Zhou
- Key Laboratory for Bio-Electromagnetic Environment and Advanced Medical Theranostics, School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing 211166, China
| | - Mingfei Pan
- Key Laboratory for Bio-Electromagnetic Environment and Advanced Medical Theranostics, School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing 211166, China
| | - Juan Jin
- Key Laboratory for Bio-Electromagnetic Environment and Advanced Medical Theranostics, School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing 211166, China
| | - Feng Wang
- Department of Analytical & Testing Center, Nanjing Medical University, Nanjing 211166, China
| | - Yipin Wang
- National Demonstration Center for Experimental Basic Medical Education, Nanjing Medical University, Nanjing 211166, China
| | - Xueyang Ren
- Key Laboratory for Bio-Electromagnetic Environment and Advanced Medical Theranostics, School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing 211166, China
| | - Biao Xu
- Department of Cardiology, Nanjing Drum Tower Hospital, Clinical College of Nanjing Medical University, Nanjing 210008, China
| | - Benhui Hu
- Key Laboratory for Bio-Electromagnetic Environment and Advanced Medical Theranostics, School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing 211166, China
| | - Ning Gu
- Key Laboratory for Bio-Electromagnetic Environment and Advanced Medical Theranostics, School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing 211166, China
- Medical School, Nanjing University, Nanjing 210093, China
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Duan Y, Sun J. Preparation of Iron-Based Sulfides and Their Applications in Biomedical Fields. Biomimetics (Basel) 2023; 8:biomimetics8020177. [PMID: 37218763 DOI: 10.3390/biomimetics8020177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 04/14/2023] [Accepted: 04/21/2023] [Indexed: 05/24/2023] Open
Abstract
Recently, iron-based sulfides, including iron sulfide minerals and biological iron sulfide clusters, have attracted widespread interest, owing to their excellent biocompatibility and multi-functionality in biomedical applications. As such, controlled synthesized iron sulfide nanomaterials with elaborate designs, enhanced functionality and unique electronic structures show numerous advantages. Furthermore, iron sulfide clusters produced through biological metabolism are thought to possess magnetic properties and play a crucial role in balancing the concentration of iron in cells, thereby affecting ferroptosis processes. The electrons in the Fenton reaction constantly transfer between Fe2+ and Fe3+, participating in the production and reaction process of reactive oxygen species (ROS). This mechanism is considered to confer advantages in various biomedical fields such as the antibacterial field, tumor treatment, biosensing and the treatment of neurodegenerative diseases. Thus, we aim to systematically introduce recent advances in common iron-based sulfides.
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Affiliation(s)
- Yefan Duan
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory of Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210009, China
| | - Jianfei Sun
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory of Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210009, China
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Song L, Chen B, Qin Z, Liu X, Guo Z, Lou H, Liu H, Sun W, Guo C, Li C. Temperature-Dependent CAT-Like RGD-BPNS@SMFN Nanoplatform for PTT-PDT Self-Synergetic Tumor Phototherapy. Adv Healthc Mater 2022; 11:e2102298. [PMID: 34918483 DOI: 10.1002/adhm.202102298] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 11/22/2021] [Indexed: 12/27/2022]
Abstract
Phototherapies such as photothermal therapy (PTT) and photodynamic therapy (PDT) are considered as alternatives for tumor remedies, because of their advantages of precise spatial orientation, minimally invasive, and nonradiative operation. However, most of phototherapeutic agents still suffer from low photothermal conversion efficacy and photodynamic performance, poor biocompatibility, and intratumor accumulation. Herein a biocompatible and target-deliverable PTT-PDT self-synergetic nanoplatform of RGD-BPNS@SMFN based on temperature-dependent catalase (CAT)-like behavior for tumor elimination is presented. The homogeneously dispersible nanoplatform is designed and fabricated through anchoring spherical manganese ferrite nanoparticles (SMFN) to black phosphorus nanosheets (BPNS), followed by arginine-glycine-aspartic acid (RGD) peptide modification. The nanoplatform exhibits excellent targeting ability and enhanced photonic response in comparison to plain BPNS and SMFN in vitro and in vivo. It is found that PTT and PDT have a self-synergetic behavior by means of the dual phototherapy mode interaction. The self-synergetic mechanism is mainly ascribed to PTT-promoted inherent CAT-like activity in the nanoplatform, which remodels the tumor hypoxia microenvironment and further ameliorates the PDT efficiency, providing promising high performance nanoplatform for synergetic dual mode phototherapy, enriching the design for the antitumor nanozyme.
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Affiliation(s)
- Luping Song
- Institute of Advanced Cross-field Science, College of Life Science, Qingdao University, Qingdao, 266071, P. R. China
| | - Bo Chen
- Institute of Materials Science and Devices, School of Materials Science and Engineering, Suzhou University of Science and Technology, 99 Xuefu Road, Suzhou, Jiangsu, 215009, P. R. China
| | - Zhiguo Qin
- Nanjing Medical University, The First Clinical Medical College, Jiangsu Province Hospital, Guangzhou Road 300, Nanjing, Jiangsu, 210029, P. R. China
| | - Xin Liu
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Sciences & Medical Engineering, Southeast University, Nanjing, 210096, P. R. China
| | - Zhanhang Guo
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Sciences & Medical Engineering, Southeast University, Nanjing, 210096, P. R. China
| | - Hongchao Lou
- Department of Geriatrics, Suzhou Kowloon Hospital, Shanghai Jiaotong University School of Medicine, Suzhou, Jiangsu Province, 215028, P. R. China
| | - Hui Liu
- Institute of Advanced Cross-field Science, College of Life Science, Qingdao University, Qingdao, 266071, P. R. China
| | - Wei Sun
- Key Lab of Laser Technology and Optoelectronic Functional Materials of Hainan Province, Key Lab of Functional Materials and Photoelectrochemistry of Haikou, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, 571158, P. R. China
| | - Chunxian Guo
- Institute of Materials Science and Devices, School of Materials Science and Engineering, Suzhou University of Science and Technology, 99 Xuefu Road, Suzhou, Jiangsu, 215009, P. R. China
| | - Changming Li
- Institute of Advanced Cross-field Science, College of Life Science, Qingdao University, Qingdao, 266071, P. R. China.,Institute of Materials Science and Devices, School of Materials Science and Engineering, Suzhou University of Science and Technology, 99 Xuefu Road, Suzhou, Jiangsu, 215009, P. R. China.,Institute for Clean Energy & Advanced Materials, Southwest University, Chongqing, 400715, P. R. China
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