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Singh SK, Parihar S, Jain S, Ho JAA, Vankayala R. Light-responsive functional nanomaterials as pioneering therapeutics: a paradigm shift to combat age-related disorders. J Mater Chem B 2024; 12:8212-8234. [PMID: 39058026 DOI: 10.1039/d4tb00578c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/28/2024]
Abstract
Aging, marked by dysregulated cellular systems, gives rise to a spectrum of age-related disorders, including neurodegeneration, atherosclerosis, immunosenescence, and musculoskeletal issues. These conditions contribute significantly to the global disease burden, posing challenges to health span and economic resources. Current therapeutic approaches, although diverse in mechanism, often fall short in targeting the underlying cellular pathologies. They fail to address the issues compounded by altered pharmacokinetics in the elderly. Nanotechnology emerges as a transformative solution, offering tissue-specific targeted therapies through nanoparticles. Functional nanomaterials (FNMs) respond to internal or external stimuli, with light-responsive nanomaterials gaining prominence. Harnessing the benefits of deep tissue penetration and ease of manipulation particularly in the near-infrared spectrum, light-responsive FNMs present innovative strategies for age-related comorbidities. This review comprehensively summarizes the potential of light-responsive FNM-based approaches for targeting cellular environments in age-related disorders, and also emphasizes the advantages over traditional treatment modalities. Specifically, it focuses on the development of various classes of light-responsive functional nanomaterials including plasmonic nanomaterials, nanomaterials as carriers, upconversion nanomaterials, 2D nanomaterials, transition metal oxide and dichalcogenide nanomaterials and carbon-based nanomaterials against age related diseases. We foresee that such advanced developments in the field of nanotechnology could provide a new hope for clinical diagnosis and treatment of age-related disorders.
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Affiliation(s)
- Shubham Kumar Singh
- Department of Bioscience and Bioengineering, Indian Institute of Technology Jodhpur, Karwar 342030, India.
| | - Shivay Parihar
- Department of Bioscience and Bioengineering, Indian Institute of Technology Jodhpur, Karwar 342030, India.
| | - Sanskar Jain
- Department of Bioscience and Bioengineering, Indian Institute of Technology Jodhpur, Karwar 342030, India.
| | - Ja-An Annie Ho
- Bioanalytical Chemistry and Nanobiomedicine Laboratory, Department of Biochemical Science and Technology, National Taiwan University, Taipei 10617, Taiwan
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
- Center for Emerging Materials and Advanced Devices, National Taiwan University, Taipei 10617, Taiwan
- Center for Biotechnology, National Taiwan University, Taipei 10617, Taiwan
| | - Raviraj Vankayala
- Department of Bioscience and Bioengineering, Indian Institute of Technology Jodhpur, Karwar 342030, India.
- Interdisciplinary Research Platform, Smart Healthcare, Indian Institute of Technology Jodhpur, Karwar 342030, India
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2
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Wei K, Tang C, Ma H, Fang X, Yang R. 3D-printed microrobots for biomedical applications. Biomater Sci 2024; 12:4301-4334. [PMID: 39041236 DOI: 10.1039/d4bm00674g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/24/2024]
Abstract
Microrobots, which can perform tasks in difficult-to-reach parts of the human body under their own or external power supply, are potential tools for biomedical applications, such as drug delivery, microsurgery, imaging and monitoring, tissue engineering, and sensors and actuators. Compared with traditional fabrication methods for microrobots, recent improvements in 3D printers enable them to print high-precision microrobots, breaking through the limitations of traditional micromanufacturing technologies that require high skills for operators and greatly shortening the design-to-production cycle. Here, this review first introduces typical 3D printing technologies used in microrobot manufacturing. Then, the structures of microrobots with different functions and application scenarios are discussed. Next, we summarize the materials (body materials, propulsion materials and intelligent materials) used in 3D microrobot manufacturing to complete body construction and realize biomedical applications (e.g., drug delivery, imaging and monitoring). Finally, the challenges and future prospects of 3D printed microrobots in biomedical applications are discussed in terms of materials, manufacturing and advancement.
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Affiliation(s)
- Kun Wei
- School of Biomedical Engineering, 3D-Printing and Tissue Engineering Center, Anhui Medical University, Hefei, 230032, China.
| | - Chenlong Tang
- School of Biomedical Engineering, 3D-Printing and Tissue Engineering Center, Anhui Medical University, Hefei, 230032, China.
| | - Hui Ma
- School of Biomedical Engineering, 3D-Printing and Tissue Engineering Center, Anhui Medical University, Hefei, 230032, China.
| | - Xingmiao Fang
- School of Biomedical Engineering, 3D-Printing and Tissue Engineering Center, Anhui Medical University, Hefei, 230032, China.
| | - Runhuai Yang
- School of Biomedical Engineering, 3D-Printing and Tissue Engineering Center, Anhui Medical University, Hefei, 230032, China.
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3
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Wetzl C, Renero-Lecuna C, Cardo L, Liz-Marzán LM, Prato M. Temperature-Dependent Luminescence of Nd 3+-Doped Carbon Nanodots for Nanothermometry. ACS APPLIED MATERIALS & INTERFACES 2024; 16:35484-35493. [PMID: 38934218 DOI: 10.1021/acsami.4c07605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/28/2024]
Abstract
Noncontact optical nanothermometers operating within the biological transparency windows are required to study temperature-sensitive biological phenomena at the nanoscale. Nanoparticles containing rare-earth ions such as Nd3+ have been reported to be efficient luminescence-based ratiometric thermometers, however often limited by poor water solubility and concentration-related quenching effects. Herein, we introduce a new type of nanothermometer, obtained by employing low-dimensional carbon nanodots (CNDs) as matrices to host Nd3+ ions (NdCNDs). By means of a one-pot procedure, small (∼7-12 nm), water-soluble nanoparticles were obtained, with high (15 wt %) Nd3+ loading. This stable metal-CND system features temperature-dependent photoluminescence in the second biological window (BW II) upon irradiation at 808 nm, thereby allowing accurate and reversible (heating/cooling) temperature measurements with good sensitivity and thermal resolution. The system possesses remarkable biocompatibility in vitro and promising performance at a high penetration depth in tissue models.
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Affiliation(s)
- Cecilia Wetzl
- CIC biomaGUNE, Basque Research and Technology Alliance (BRTA), Paseo de Miramon 194, 20014 Donostia-San Sebastián, Spain
- University of the Basque Country, UPV-EHU, 20018 San Sebastián, Spain
| | - Carlos Renero-Lecuna
- CIC biomaGUNE, Basque Research and Technology Alliance (BRTA), Paseo de Miramon 194, 20014 Donostia-San Sebastián, Spain
- CINBIO, Universidade de Vigo, 36310 Vigo, Spain
- Centro de Investigación Biomédica en Red, Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), 20014 Donostia-San Sebastián, Spain
| | - Lucia Cardo
- CIC biomaGUNE, Basque Research and Technology Alliance (BRTA), Paseo de Miramon 194, 20014 Donostia-San Sebastián, Spain
| | - Luis M Liz-Marzán
- CIC biomaGUNE, Basque Research and Technology Alliance (BRTA), Paseo de Miramon 194, 20014 Donostia-San Sebastián, Spain
- CINBIO, Universidade de Vigo, 36310 Vigo, Spain
- Ikerbasque, Basque Foundation for Science, 48009 Bilbao, Spain
- Centro de Investigación Biomédica en Red, Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), 20014 Donostia-San Sebastián, Spain
| | - Maurizio Prato
- CIC biomaGUNE, Basque Research and Technology Alliance (BRTA), Paseo de Miramon 194, 20014 Donostia-San Sebastián, Spain
- Ikerbasque, Basque Foundation for Science, 48009 Bilbao, Spain
- Dipartimento di Scienze Chimiche e Farmaceutiche, Università degli Studi di Trieste, 34127 Trieste, Italy
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Ansong M, Kover K, Shah P, Friedman SH. A Green Light-Activated Insulin Depot with Ultrafast In Vivo Efficiency in the Subcutaneous Space. ACS Biomater Sci Eng 2024; 10:3806-3812. [PMID: 38709857 DOI: 10.1021/acsbiomaterials.4c00362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
In this work, for the first time, we demonstrate light control of a therapeutic protein's release from a depot in the subcutaneous layer of the skin. The subcutaneous layer is a standard location for therapeutic protein depots due to its large size and ease of access, but prior attempts to utilize this space failed because insufficient light can reach this deeper layer. An analysis of existing biophysical literature suggested that an increase of photoactivation wavelength from 365 to 500 nm could allow an increase of depot irradiation in the subcutaneous by >100-fold. We therefore used a green light-activated thio-coumarin-based material and demonstrated robust release of a therapeutic, insulin, in response to skin illumination with an LED light source. We further demonstrated that this release is ultrafast, as fast or faster than any commercially used insulin, while maintaining the native insulin sequence. This release of insulin was then accompanied by a robust reduction in blood glucose, demonstrating the retention of bioactivity despite the synthetic processing required to generate the material. In addition, we observed that the material exhibits slow basal release of insulin, even in the absence of light, potentially through biochemical or photochemical unmasking of insulin. Thus, these materials can act much like the healthy pancreas does: releasing insulin at a slow basal rate and then, upon skin irradiation, releasing an ultrafast bolus of native insulin to reduce postprandial blood glucose excursions.
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Affiliation(s)
- Michael Ansong
- Division of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Missouri - Kansas City, Kansas City, Missouri 64108, United States
| | - Karen Kover
- Department of Endocrinology, Children's Mercy Hospital, Kansas City, Missouri 64108, United States
- Department of Medicine, School of Medicine, University of Missouri - Kansas City, Kansas City, Missouri 64108, United States
| | - Parth Shah
- Division of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Missouri - Kansas City, Kansas City, Missouri 64108, United States
| | - Simon H Friedman
- Division of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Missouri - Kansas City, Kansas City, Missouri 64108, United States
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5
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Qinyuan D, Zhuqing W, Qing L, Yunsong L, Ping Z, Xiao Z, Yuting N, Hao L, Yongsheng Z, Longwei L. 3D-printed near-infrared-light-responsive on-demand drug-delivery scaffold for bone regeneration. BIOMATERIALS ADVANCES 2024; 159:213804. [PMID: 38412627 DOI: 10.1016/j.bioadv.2024.213804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 02/17/2024] [Accepted: 02/20/2024] [Indexed: 02/29/2024]
Abstract
Although several bioactive 3D-printed bone scaffolds loaded with multiple kinds of biomolecules for enhanced bone regeneration have been recently developed, the manipulation of on-demand release profiles of different biomolecules during bone regeneration remains challenging. Herein, a 3D-printed dual-drug-loaded biomimetic scaffold to regulate the host stem cell recruitment and osteogenic differentiation in a two-stage process for bone regeneration was successfully fabricated. First, a chemotactic small-molecule drug, namely, simvastatin (SIM) was directly incorporated into the hydroxyapatite/collagen bioink for printing and could be rapidly released during the early stage of bone regeneration. Further, near-infrared (NIR)-light-responsive polydopamine-coated hydroxyapatite nanoparticles were designed to deliver the osteogenic drug, i.e., pargyline (PGL) in a controllable manner. Together, our scaffold displayed an on-demand sequential release of those two drugs and could optimize their therapeutic effects to align with the stem cell recruitment and osteoblastic differentiation, thereby promoting bone regeneration. The results confirmed the suitable mechanical strength, high photothermal conversion efficiency, good biocompatibility of our scaffold. The scaffold loaded with SIM could efficiently accelerate the migration of stem cells. In addition, the scaffold with on-demand sequential release promoted alkaline phosphatase (ALP) activity, significantly upregulated gene expression levels of osteogenesis-related markers, and enhanced new-bone-formation capabilities in rabbit cranial defect models. Altogether, this scaffold not only offers a promising strategy to control the behavior of stem cells during bone regeneration but also provides an efficient strategy for controllable sequential release of different biomolecule in bone tissue engineering.
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Affiliation(s)
- Dong Qinyuan
- National Center for Stomatology, National Clinical Research Center for Oral Disease, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology, NHC Key Laboratory of Digital Stomatology, Key Laboratory of Digital Stomatology, Chinese Academy of Medical Sciences, 22 Zhongguancun Avenue South, Haidian District, Beijing 100081, China
| | - Wan Zhuqing
- National Center for Stomatology, National Clinical Research Center for Oral Disease, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology, NHC Key Laboratory of Digital Stomatology, Key Laboratory of Digital Stomatology, Chinese Academy of Medical Sciences, 22 Zhongguancun Avenue South, Haidian District, Beijing 100081, China
| | - Li Qing
- National Center for Stomatology, National Clinical Research Center for Oral Disease, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology, NHC Key Laboratory of Digital Stomatology, Key Laboratory of Digital Stomatology, Chinese Academy of Medical Sciences, 22 Zhongguancun Avenue South, Haidian District, Beijing 100081, China
| | - Liu Yunsong
- National Center for Stomatology, National Clinical Research Center for Oral Disease, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology, NHC Key Laboratory of Digital Stomatology, Key Laboratory of Digital Stomatology, Chinese Academy of Medical Sciences, 22 Zhongguancun Avenue South, Haidian District, Beijing 100081, China
| | - Zhang Ping
- National Center for Stomatology, National Clinical Research Center for Oral Disease, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology, NHC Key Laboratory of Digital Stomatology, Key Laboratory of Digital Stomatology, Chinese Academy of Medical Sciences, 22 Zhongguancun Avenue South, Haidian District, Beijing 100081, China
| | - Zhang Xiao
- National Center for Stomatology, National Clinical Research Center for Oral Disease, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology, NHC Key Laboratory of Digital Stomatology, Key Laboratory of Digital Stomatology, Chinese Academy of Medical Sciences, 22 Zhongguancun Avenue South, Haidian District, Beijing 100081, China
| | - Niu Yuting
- National Center for Stomatology, National Clinical Research Center for Oral Disease, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology, NHC Key Laboratory of Digital Stomatology, Key Laboratory of Digital Stomatology, Chinese Academy of Medical Sciences, 22 Zhongguancun Avenue South, Haidian District, Beijing 100081, China
| | - Liu Hao
- National Center for Stomatology, National Clinical Research Center for Oral Disease, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology, NHC Key Laboratory of Digital Stomatology, Key Laboratory of Digital Stomatology, Chinese Academy of Medical Sciences, 22 Zhongguancun Avenue South, Haidian District, Beijing 100081, China
| | - Zhou Yongsheng
- National Center for Stomatology, National Clinical Research Center for Oral Disease, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology, NHC Key Laboratory of Digital Stomatology, Key Laboratory of Digital Stomatology, Chinese Academy of Medical Sciences, 22 Zhongguancun Avenue South, Haidian District, Beijing 100081, China.
| | - Lv Longwei
- National Center for Stomatology, National Clinical Research Center for Oral Disease, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology, NHC Key Laboratory of Digital Stomatology, Key Laboratory of Digital Stomatology, Chinese Academy of Medical Sciences, 22 Zhongguancun Avenue South, Haidian District, Beijing 100081, China.
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6
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Kiy Z, Chaud J, Xu L, Brandhorst E, Kamali T, Vargas C, Keller S, Hong H, Specht A, Cambridge S. Towards a Light-mediated Gene Therapy for the Eye using Caged Ethinylestradiol and the Inducible Cre/lox System. Angew Chem Int Ed Engl 2024; 63:e202317675. [PMID: 38127455 DOI: 10.1002/anie.202317675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 12/14/2023] [Accepted: 12/15/2023] [Indexed: 12/23/2023]
Abstract
Increasingly, retinal pathologies are being treated with virus-mediated gene therapies. To be able to target viral transgene expression specifically to the pathological regions of the retina with light, we established an in vivo photoactivated gene expression paradigm for retinal tissue. Based on the inducible Cre/lox system, we discovered that ethinylestradiol is a suitable alternative to Tamoxifen as ethinylestradiol is more amenable to modification with photosensitive protecting compounds, i.e., "caging." Identification of ethinylestradiol as a ligand for the mutated human estradiol receptor was supported by in silico binding studies showing the reduced binding of caged ethinylestradiol. Caged ethinylestradiol was injected into the eyes of double transgenic GFAP-CreERT2 mice with a Cre-dependent tdTomato reporter transgene followed by irradiation with light of 450 nm. Photoactivation significantly increased retinal tdTomato expression compared to controls. We thus demonstrated a first step towards the development of a targeted, light-mediated gene therapy for the eyes.
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Affiliation(s)
- Zoe Kiy
- Heidelberg University, 69120, Heidelberg, Germany
| | - Juliane Chaud
- Laboratoire de Conception et Application de Molécules Bioactives, Equipe de Chimie et Neurobiologie Moléculaire, Université de Strasbourg, CNRS, CAMB UMR 7199, 67000, Strasbourg, France
| | - Liang Xu
- Division of Bioinformatics and Biostatistics, National Center for Toxicological Research, U.S. Food and Drug Administration, 3900 NCTR Road, Jefferson, AR, 72079, USA
| | - Eric Brandhorst
- Sektion Endokrinologie, Medizinische Fakultät Mannheim, 68167, Mannheim, Germany
| | - Tschackad Kamali
- Heidelberg Engineering GmbH, Max-Jarecki-Straße 8, 69115, Heidelberg, Germany
| | - Carolyn Vargas
- Biophysics, Institute of Molecular Biosciences (IMB), NAWI Graz, University of Graz, Humboldtstr. 50/III, 8010, Graz, Austria
- BioTechMed-Graz, Graz, Austria
- Field of Excellence BioHealth, University of Graz, Graz, Austria
| | - Sandro Keller
- Biophysics, Institute of Molecular Biosciences (IMB), NAWI Graz, University of Graz, Humboldtstr. 50/III, 8010, Graz, Austria
- BioTechMed-Graz, Graz, Austria
- Field of Excellence BioHealth, University of Graz, Graz, Austria
| | - Huixiao Hong
- Division of Bioinformatics and Biostatistics, National Center for Toxicological Research, U.S. Food and Drug Administration, 3900 NCTR Road, Jefferson, AR, 72079, USA
| | - Alexandre Specht
- Laboratoire de Conception et Application de Molécules Bioactives, Equipe de Chimie et Neurobiologie Moléculaire, Université de Strasbourg, CNRS, CAMB UMR 7199, 67000, Strasbourg, France
| | - Sidney Cambridge
- Heidelberg University, 69120, Heidelberg, Germany
- Institute for Anatomy II, Dr. Senckenberg Anatomy, Goethe-University Frankfurt am Main, 60590, Frankfurt am Main, Germany
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7
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Weng W, Xue G, Pan Z. Development of visible-light-activatable photocaged PROTACs. Eur J Med Chem 2024; 265:116062. [PMID: 38128235 DOI: 10.1016/j.ejmech.2023.116062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Revised: 12/11/2023] [Accepted: 12/14/2023] [Indexed: 12/23/2023]
Abstract
Photocaged proteolysis-targeting chimeras (PROTACs), which employ light as a stimulus to control protein degradation, have recently garnered considerable attention as both powerful chemical tools and a promising therapeutic strategy. However, the poor penetration depth of traditionally used ultraviolet light and the deficiency of alternative caging positions have restricted their applications in biological systems. By installing a diverse array of photocaged groups, with excitation wavelengths ranging from 365 nm to 405 nm, onto different positions of cereblon (CRBN) and Von Hippel-Lindau (VHL)-recruiting Brd4 degraders, we conducted the first comprehensive study on visible-light-activatable photocaged PROTACs to the best of our knowledge. We found the A2, A4 and B3 positions to be most effective at regulating the activity of the degraders, and to provide the resulting molecules (9-12 and 17) as potent visible-light-controlled degraders in live cells.
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Affiliation(s)
- Weizhi Weng
- State Key Laboratory of Chemical Oncogenomics, Key Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Shenzhen Graduate School, Peking University, Shenzhen, 518055, China
| | - Gang Xue
- State Key Laboratory of Chemical Oncogenomics, Key Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Shenzhen Graduate School, Peking University, Shenzhen, 518055, China
| | - Zhengying Pan
- State Key Laboratory of Chemical Oncogenomics, Key Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Shenzhen Graduate School, Peking University, Shenzhen, 518055, China.
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8
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Liu H, Lu HH, Alp Y, Wu R, Thayumanavan S. Structural Determinants of Stimuli-Responsiveness in Amphiphilic Macromolecular Nano-assemblies. Prog Polym Sci 2024; 148:101765. [PMID: 38476148 PMCID: PMC10927256 DOI: 10.1016/j.progpolymsci.2023.101765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2024]
Abstract
Stimuli-responsive nano-assemblies from amphiphilic macromolecules could undergo controlled structural transformations and generate diverse macroscopic phenomenon under stimuli. Due to the controllable responsiveness, they have been applied for broad material and biomedical applications, such as biologics delivery, sensing, imaging, and catalysis. Understanding the mechanisms of the assembly-disassembly processes and structural determinants behind the responsive properties is fundamentally important for designing the next generation of nano-assemblies with programmable responsiveness. In this review, we focus on structural determinants of assemblies from amphiphilic macromolecules and their macromolecular level alterations under stimuli, such as the disruption of hydrophilic-lipophilic balance (HLB), depolymerization, decrosslinking, and changes of molecular packing in assemblies, which eventually lead to a series of macroscopic phenomenon for practical purposes. Applications of stimuli-responsive nano-assemblies in delivery, sensing and imaging were also summarized based on their structural features. We expect this review could provide readers an overview of the structural considerations in the design and applications of nanoassemblies and incentivize more explorations in stimuli-responsive soft matters.
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Affiliation(s)
- Hongxu Liu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065 P. R. China
- Department of Chemistry, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
| | - Hung-Hsun Lu
- Department of Chemistry, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
| | - Yasin Alp
- Department of Chemistry, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
| | - Ruiling Wu
- Department of Chemistry, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
| | - S. Thayumanavan
- Department of Chemistry, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
- Department of Biomedical Engineering, University of Massachusetts, Amherst, Massachusetts 01003, United States
- Center for Bioactive Delivery, Institute for Applied Life Sciences, University of Massachusetts, Amherst, Massachusetts 01003, United States
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9
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Xiao W, Zhao L, Sun Y, Yang X, Fu Q. Stimuli-Responsive Nanoradiosensitizers for Enhanced Cancer Radiotherapy. SMALL METHODS 2024; 8:e2301131. [PMID: 37906050 DOI: 10.1002/smtd.202301131] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 10/10/2023] [Indexed: 11/02/2023]
Abstract
Radiotherapy (RT) has been a classical therapeutic method of cancer for several decades. It attracts tremendous attention for the precise and efficient treatment of local tumors with stimuli-responsive nanomaterials, which enhance RT. However, there are few systematic reviews summarizing the newly emerging stimuli-responsive mechanisms and strategies used for tumor radio-sensitization. Hence, this review provides a comprehensive overview of recently reported studies on stimuli-responsive nanomaterials for radio-sensitization. It includes four different approaches for sensitized RT, namely endogenous response, exogenous response, dual stimuli-response, and multi stimuli-response. Endogenous response involves various stimuli such as pH, hypoxia, GSH, and reactive oxygen species (ROS), and enzymes. On the other hand, exogenous response encompasses X-ray, light, and ultrasound. Dual stimuli-response combines pH/enzyme, pH/ultrasound, and ROS/light. Lastly, multi stimuli-response involves the combination of pH/ROS/GSH and X-ray/ROS/GSH. By elaborating on these responsive mechanisms and applying them to clinical RT diagnosis and treatment, these methods can enhance radiosensitive efficiency and minimize damage to surrounding normal tissues. Finally, this review discusses the additional challenges and perspectives related to stimuli-responsive nanomaterials for tumor radio-sensitization.
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Affiliation(s)
- Wenjing Xiao
- Department of Radiotherapy, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, 266021, China
| | - Lin Zhao
- Department of Radiotherapy, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, 266021, China
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, 266021, China
| | - Yang Sun
- Department of Radiotherapy, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, 266021, China
| | - Xiao Yang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, 266021, China
| | - Qinrui Fu
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, 266021, China
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10
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Zhang Z, Wang R, Xue H, Knoedler S, Geng Y, Liao Y, Alfertshofer M, Panayi AC, Ming J, Mi B, Liu G. Phototherapy techniques for the management of musculoskeletal disorders: strategies and recent advances. Biomater Res 2023; 27:123. [PMID: 38017585 PMCID: PMC10685661 DOI: 10.1186/s40824-023-00458-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 10/28/2023] [Indexed: 11/30/2023] Open
Abstract
Musculoskeletal disorders (MSDs), which include a range of pathologies affecting bones, cartilage, muscles, tendons, and ligaments, account for a significant portion of the global burden of disease. While pharmaceutical and surgical interventions represent conventional approaches for treating MSDs, their efficacy is constrained and frequently accompanied by adverse reactions. Considering the rising incidence of MSDs, there is an urgent demand for effective treatment modalities to alter the current landscape. Phototherapy, as a controllable and non-invasive technique, has been shown to directly regulate bone, cartilage, and muscle regeneration by modulating cellular behavior. Moreover, phototherapy presents controlled ablation of tumor cells, bacteria, and aberrantly activated inflammatory cells, demonstrating therapeutic potential in conditions such as bone tumors, bone infection, and arthritis. By constructing light-responsive nanosystems, controlled drug delivery can be achieved to enable precise treatment of MSDs. Notably, various phototherapy nanoplatforms with integrated imaging capabilities have been utilized for early diagnosis, guided therapy, and prognostic assessment of MSDs, further improving the management of these disorders. This review provides a comprehensive overview of the strategies and recent advances in the application of phototherapy for the treatment of MSDs, discusses the challenges and prospects of phototherapy, and aims to promote further research and application of phototherapy techniques.
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Affiliation(s)
- Zhenhe Zhang
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China
| | - Rong Wang
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, China
| | - Hang Xue
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China
| | - Samuel Knoedler
- Division of Plastic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02152, USA
- Institute of Regenerative Biology and Medicine, Helmholtz Zentrum München, Max-Lebsche-Platz 31, 81377, Munich, Germany
| | - Yongtao Geng
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China
| | - Yuheng Liao
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China
| | - Michael Alfertshofer
- Division of Hand, Plastic and Aesthetic Surgery, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Adriana C Panayi
- Division of Plastic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02152, USA
- Department of Hand, Plastic and Reconstructive Surgery, Microsurgery, Burn Center, BG Trauma Center Ludwigshafen, University of Heidelberg, Ludwig-Guttmann-Strasse 13, 67071, Ludwigshafen, Rhine, Germany
| | - Jie Ming
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, China.
| | - Bobin Mi
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, China.
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China.
| | - Guohui Liu
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, China.
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China.
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11
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Brion A, Chaud J, Léonard J, Bolze F, Chassaing S, Frisch B, Heurtault B, Kichler A, Specht A. Red Light-Responsive Upconverting Nanoparticles for Quantitative and Controlled Release of a Coumarin-Based Prodrug. Adv Healthc Mater 2023; 12:e2201474. [PMID: 36222265 DOI: 10.1002/adhm.202201474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 09/22/2022] [Indexed: 01/18/2023]
Abstract
Photolytic reactions allow the optical control of the liberation of biological effectors by photolabile protecting groups. The development of versatile technologies enabling the use of deep-red or NIR light excitation still represents a challenging issue, in particular for light-induced drug release (e.g., light-induced prodrug activation). Here, light-sensitive biocompatible lipid nanocapsules able to liberate an antitumoral drug through photolysis are presented. It is demonstrated that original photon upconverting nanoparticles (LNC-UCs) chemically conjugated to a coumarin-based photocleavable linker can quantitatively and efficiently release a drug by upconversion luminescence-assisted photolysis using a deep-red excitation wavelength. In addition, it is also able to demonstrate that such nanoparticles are stable in the dark, without any drug leakage in the absence of light. These findings open new avenues to specifically liberate diverse drugs using deep-red or NIR excitations for future therapeutic applications in nanomedicine.
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Affiliation(s)
- Anaïs Brion
- 3Bio Team, Laboratoire de Conception et Application de Molécules Bioactives, UMR 7199 Université de Strasbourg/CNRS, Faculté de Pharmacie, Illkirch, F-67401 Cedex, France
| | - Juliane Chaud
- 3Bio Team, Laboratoire de Conception et Application de Molécules Bioactives, UMR 7199 Université de Strasbourg/CNRS, Faculté de Pharmacie, Illkirch, F-67401 Cedex, France
- Équipe de chimie et neurobiologie moléculaire, Laboratoire de Conception et Application de Molécules Bioactives, UMR 7199 Université de Strasbourg/CNRS, Faculté de Pharmacie, Illkirch, F-67401 Cedex, France
| | - Jérémie Léonard
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg/CNRS, UMR 7504, Strasbourg, F-67034, France
| | - Frédéric Bolze
- Équipe de chimie et neurobiologie moléculaire, Laboratoire de Conception et Application de Molécules Bioactives, UMR 7199 Université de Strasbourg/CNRS, Faculté de Pharmacie, Illkirch, F-67401 Cedex, France
| | - Stefan Chassaing
- Institut de Chimie, Laboratoire de Synthèse, Réactivité Organiques & Catalyse, (LASYROC), Institut de Chimie, UMR 7177 Université de Strasbourg/CNRS, Strasbourg, F-67000, France
| | - Benoît Frisch
- 3Bio Team, Laboratoire de Conception et Application de Molécules Bioactives, UMR 7199 Université de Strasbourg/CNRS, Faculté de Pharmacie, Illkirch, F-67401 Cedex, France
| | - Béatrice Heurtault
- 3Bio Team, Laboratoire de Conception et Application de Molécules Bioactives, UMR 7199 Université de Strasbourg/CNRS, Faculté de Pharmacie, Illkirch, F-67401 Cedex, France
| | - Antoine Kichler
- 3Bio Team, Laboratoire de Conception et Application de Molécules Bioactives, UMR 7199 Université de Strasbourg/CNRS, Faculté de Pharmacie, Illkirch, F-67401 Cedex, France
| | - Alexandre Specht
- Équipe de chimie et neurobiologie moléculaire, Laboratoire de Conception et Application de Molécules Bioactives, UMR 7199 Université de Strasbourg/CNRS, Faculté de Pharmacie, Illkirch, F-67401 Cedex, France
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12
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D'Antuono R, Bowen JW. Towards super-resolved terahertz microscopy for cellular imaging. J Microsc 2022; 288:207-217. [PMID: 35792534 PMCID: PMC10084438 DOI: 10.1111/jmi.13132] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 06/19/2022] [Accepted: 06/28/2022] [Indexed: 12/28/2022]
Abstract
Biomedical imaging includes the use of a variety of techniques to study organs and tissues. Some of the possible imaging modalities are more spread at clinical level (CT, MRI, PET), while others, such as light and electron microscopy are preferred in life sciences research. The choice of the imaging modalities can be based on the capability to study functional aspects of an organism, the delivered radiation dose to the patient, and the achievable resolution. In the last few decades, spectroscopists and imaging scientists have been interested in the use of terahertz (THz) frequencies (30 μm to 3 mm wavelength) due to the low photon energy associated (E∼1 meV, not causing breaking of the molecular bonds but still interacting with some vibrational modes) and the high penetration depth that is achievable. THz has been already adopted in security, quality control and material sciences. However, the adoption of THz frequencies for biological and clinical imaging means to face, as a major limitation, the very scarce resolution associated with the use of such long wavelengths. To address this aspect and reconcile the benefit of minimal harmfulness for bioimaging with the achievable resolving power, many attempts have been made. This review summarises the state-of-the-art of THz imaging applications aimed at achieving super-resolution, describing how practical aspects of optics and quasi-optics may be treated to efficaciously implement the use of THz as a new low-dose and versatile modality in biomedical imaging and clinical research.
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Affiliation(s)
- Rocco D'Antuono
- Crick Advanced Light Microscopy STP, The Francis Crick Institute, 1 Midland Road, NW1 1AT, London, UK.,Department of Biomedical Engineering, School of Biological Sciences, University of Reading, Reading, UK
| | - John W Bowen
- Department of Biomedical Engineering, School of Biological Sciences, University of Reading, Reading, UK
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13
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Daylight-PDT: everything under the sun. Biochem Soc Trans 2022; 50:975-985. [PMID: 35385082 PMCID: PMC9162453 DOI: 10.1042/bst20200822] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 02/28/2022] [Accepted: 03/11/2022] [Indexed: 12/18/2022]
Abstract
5-Aminolevulinic acid-based photodynamic therapy (ALA-PDT) was first implemented over three decades ago and has since been mainly part of clinical practice for the management of pre-cancerous and cancerous skin lesions. Photodynamic therapy relies on the combination of a photosensitizer, light and oxygen to cause photo-oxidative damage of cellular components. 5-Aminolevulinic acid (ALA) is a natural precursor of the heme biosynthetic pathway, which when exogenously administered leads to the accumulation of the photoactivatable protoporphyrin IX. Although, effective and providing excellent cosmetic outcomes, its use has been restricted by the burning, stinging, and prickling sensation associated with treatment, as well as cutaneous adverse reactions that may be induced. Despite intense research in the realm of drug delivery, pain moderation, and light delivery, a novel protocol design using sunlight has led to some of the best results in terms of treatment response and patient satisfaction. Daylight PDT is the protocol of choice for the management of treatment of multiple or confluent actinic keratoses (AK) skin lesions. This review aims to revisit the photophysical, physicochemical and biological characteristics of ALA-PDT, and the underlying mechanisms resulting in daylight PDT efficiency and limitations.
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14
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Dual-Labelling Strategies for Nuclear and Fluorescence Molecular Imaging: Current Status and Future Perspectives. Pharmaceuticals (Basel) 2022; 15:ph15040432. [PMID: 35455430 PMCID: PMC9028399 DOI: 10.3390/ph15040432] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 03/27/2022] [Accepted: 03/28/2022] [Indexed: 12/13/2022] Open
Abstract
Molecular imaging offers the possibility to investigate biological and biochemical processes non-invasively and to obtain information on both anatomy and dysfunctions. Based on the data obtained, a fundamental understanding of various disease processes can be derived and treatment strategies can be planned. In this context, methods that combine several modalities in one probe are increasingly being used. Due to the comparably high sensitivity and provided complementary information, the combination of nuclear and optical probes has taken on a special significance. In this review article, dual-labelled systems for bimodal nuclear and optical imaging based on both modular ligands and nanomaterials are discussed. Particular attention is paid to radiometal-labelled molecules for single-photon emission computed tomography (SPECT) and positron emission tomography (PET) and metal complexes combined with fluorescent dyes for optical imaging. The clinical potential of such probes, especially for fluorescence-guided surgery, is assessed.
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15
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Cai Q, Wang C, Gai S, Yang P. Integration of Au Nanosheets and GdOF:Yb,Er for NIR-I and NIR-II Light-Activated Synergistic Theranostics. ACS APPLIED MATERIALS & INTERFACES 2022; 14:3809-3824. [PMID: 35015499 DOI: 10.1021/acsami.1c21307] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
The local hyperthermia (>41 °C) effect of photothermal therapy (PTT) is significantly limited by the efficiency of PTT agents to convert laser energy to heat, and such oncotherapy, similar to conventional chemotherapy, invariably encounters the challenge of nonspecific application. Undue reliance on oxygen sources still poses particular difficulties in photodynamic therapy (PDT) for deep-level clinical applications. Considering these therapeutic issues, in this study, we constructed a versatile but unique nanosystem by encapsulating Au nanosheets in codoped gadolinium oxyfluoride (GdOF):Yb,Er spheres, followed by decoration of a chemotherapeutic drug (doxorubicin), photosensitizer (rose Bengal, RB), and targeted agent (folic acid). This allowed the incorporation of cancer treatment and real-time curative efficacy monitoring into one single theranostic nanoplatform. Benefiting from the dual contribution of the strong absorptions in the NIR-I and NIR-II regions, relevant photothermal-conversion efficiency (η) values pertaining to that final product were 39.2% at 1064 nm irradiation and 35.7% at 980 nm illumination. The fluorescence resonance energy transfer that occurred in the up-converted GdOF:Yb,Er to RB contributed to the high PDT efficacy. Combined with a micromeric acid-responsive drug release in a targeted tumor microenvironment, high-performance synergistic therapy was realized. In addition, up-conversion fluorescence imaging and computed tomography imaging accompanied by multimodal magnetic resonance imaging were simultaneously achieved owing to the doped lanthanide ions and the encapsulated Au nanosheets. Our designed oncotherapy nanosystem provides an alternative strategy to acquire ideal theranostic effects.
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Affiliation(s)
- Qi Cai
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Material Sciences and Chemical Engineering, Harbin Engineering University, Harbin 150001, P. R. China
- College of Materials Science, Qiqihar University, Qiqihar 161006, P. R. China
| | - Chen Wang
- Department of Research, Guangxi Medical University Cancer Hospital, 71 Hedi Road, Nanning 530021, China
| | - Shili Gai
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Material Sciences and Chemical Engineering, Harbin Engineering University, Harbin 150001, P. R. China
| | - Piaoping Yang
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Material Sciences and Chemical Engineering, Harbin Engineering University, Harbin 150001, P. R. China
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16
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17
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Feasibility of Photodynamic Therapy for Glioblastoma with the Mitochondria-Targeted Photosensitizer Tetramethylrhodamine Methyl Ester (TMRM). Biomedicines 2021; 9:biomedicines9101453. [PMID: 34680569 PMCID: PMC8533469 DOI: 10.3390/biomedicines9101453] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 10/04/2021] [Accepted: 10/09/2021] [Indexed: 12/16/2022] Open
Abstract
One of the most challenging problems in the treatment of glioblastoma (GBM) is the highly infiltrative nature of the disease. Infiltrating cells that are non-resectable are left behind after debulking surgeries and become a source of regrowth and recurrence. To prevent tumor recurrence and increase patient survival, it is necessary to cleanse the adjacent tissue from GBM infiltrates. This requires an innovative local approach. One such approach is that of photodynamic therapy (PDT) which uses specific light-sensitizing agents called photosensitizers. Here, we show that tetramethylrhodamine methyl ester (TMRM), which has been used to asses mitochondrial potential, can be used as a photosensitizer to target GBM cells. Primary patient-derived GBM cell lines were used, including those specifically isolated from the infiltrative edge. PDT with TMRM using low-intensity green light induced mitochondrial damage, an irreversible drop in mitochondrial membrane potential and led to GBM cell death. Moreover, delayed photoactivation after TMRM loading selectively killed GBM cells but not cultured rat astrocytes. The efficacy of TMRM-PDT in certain GBM cell lines may be potentiated by adenylate cyclase activator NKH477. Together, these findings identify TMRM as a prototypical mitochondrially targeted photosensitizer with beneficial features which may be suitable for preclinical and clinical translation.
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18
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Luan X, Pan Y, Gao Y, Song Y. Recent near-infrared light-activated nanomedicine toward precision cancer therapy. J Mater Chem B 2021; 9:7076-7099. [PMID: 34124735 DOI: 10.1039/d1tb00671a] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Light has been present throughout the history of mankind and even the universe. It is of great significance to human life, contributing to energy, agriculture, communication, and much more. In the biomedical field, light has been developed as a switch to control medical processes with minimal invasion and high spatiotemporal selectivity. During the past three years, near-infrared (NIR) light as long-wavelength light has been applied to more than 3000 achievements in biological applications due to its deep penetration depth and low phototoxicity. Remotely controlled cancer therapy usually involves the conversion of biologically inert NIR light. Thus, various materials, especially nanomaterials that can generate reactive oxygen species (ROS), ultraviolet (UV)/visual light, or thermal energy and so on under NIR illumination achieve great potential for the research of nanomedicine. Here, we offered an overview of recent advances in NIR light-activated nanomedicine for cancer therapeutic applications. NIR-light-conversion nanotechnologies for both directly triggering nanodrugs and smart drug delivery toward tumor therapy were discussed emphatically. The challenges and future trends of the use of NIR light in biomedical applications were also provided as a conclusion. We expect that this review will spark inspiration for biologists, materials scientists, pharmacologists, and chemists to fight against diseases and boost the future clinical-translational applications of NIR technology-based precision nanomedicine.
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Affiliation(s)
- Xiaowei Luan
- College of Engineering and Applied Sciences, State Key Laboratory of Analytical Chemistry for Life Science, Collaborative Innovation Center of Advanced Icrostructures, Nanjing University, Nanjing, 210023, China.
| | - Yongchun Pan
- College of Engineering and Applied Sciences, State Key Laboratory of Analytical Chemistry for Life Science, Collaborative Innovation Center of Advanced Icrostructures, Nanjing University, Nanjing, 210023, China.
| | - Yanfeng Gao
- College of Engineering and Applied Sciences, State Key Laboratory of Analytical Chemistry for Life Science, Collaborative Innovation Center of Advanced Icrostructures, Nanjing University, Nanjing, 210023, China.
| | - Yujun Song
- College of Engineering and Applied Sciences, State Key Laboratory of Analytical Chemistry for Life Science, Collaborative Innovation Center of Advanced Icrostructures, Nanjing University, Nanjing, 210023, China.
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19
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Lee HP, Lokhande G, Singh KA, Jaiswal MK, Rajput S, Gaharwar AK. Light-Triggered In Situ Gelation of Hydrogels using 2D Molybdenum Disulfide (MoS 2 ) Nanoassemblies as Crosslink Epicenter. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2101238. [PMID: 33938048 DOI: 10.1002/adma.202101238] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 03/18/2021] [Indexed: 06/12/2023]
Abstract
Light-responsive biomaterials are an emerging class of materials used for developing noninvasive, noncontact, precise, and controllable biomedical devices. Long-wavelength near-infrared (NIR) radiation is an attractive light source for in situ gelation due to its higher penetration depth and minimum side effects. The conventional approach to obtain crosslinked biomaterials relies heavily on the use of a photoinitiator by generating reactive species when exposed to short-wavelength radiation, which is detrimental to surrounding cells and tissue. Here, a new class of NIR-triggered in situ gelation system based on defect-rich 2D molybdenum disulfide (MoS2 ) nanoassemblies and thiol-functionalized thermoresponsive polymer in the absence of a photoinitiator is introduced. Exposure to NIR radiation activates the dynamic polymer-nanomaterials interactions by leveraging the photothermal characteristics of MoS2 and intrinsic phase transition ability of the thermoresponsive polymer. Specifically, upon NIR exposure, MoS2 acts as a crosslink epicenter by connecting with multiple polymeric chains via defect-driven click chemistry. As a proof-of-concept, the utility of NIR-triggered in situ gelation is demonstrated in vitro and in vivo. Additionally, the crosslinked gel exhibits the potential for NIR light-responsive release of encapsulated therapeutics. These light-responsive biomaterials have strong potential for a range of biomedical applications, including artificial muscle, smart actuators, 3D/4D printing, regenerative medicine, and therapeutic delivery.
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Affiliation(s)
- Hung Pang Lee
- Biomedical Engineering, College of Engineering, Texas A&M University, College Station, TX, 77843, USA
| | - Giriraj Lokhande
- Biomedical Engineering, College of Engineering, Texas A&M University, College Station, TX, 77843, USA
| | - Kanwar Abhay Singh
- Biomedical Engineering, College of Engineering, Texas A&M University, College Station, TX, 77843, USA
| | - Manish K Jaiswal
- Biomedical Engineering, College of Engineering, Texas A&M University, College Station, TX, 77843, USA
| | - Satyam Rajput
- Biomedical Engineering, College of Engineering, Texas A&M University, College Station, TX, 77843, USA
| | - Akhilesh K Gaharwar
- Biomedical Engineering, College of Engineering, Texas A&M University, College Station, TX, 77843, USA
- Material Science and Engineering, College of Engineering, Texas A&M University, College Station, TX, 77843, USA
- Center for Remote Health Technologies and Systems, Texas A&M University, College Station, TX, 77843, USA
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20
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Yang J, Zhang X, Zhang X, Wang L, Feng W, Li Q. Beyond the Visible: Bioinspired Infrared Adaptive Materials. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2004754. [PMID: 33624900 DOI: 10.1002/adma.202004754] [Citation(s) in RCA: 83] [Impact Index Per Article: 27.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Revised: 10/07/2020] [Indexed: 05/24/2023]
Abstract
Infrared (IR) adaptation phenomena are ubiquitous in nature and biological systems. Taking inspiration from natural creatures, researchers have devoted extensive efforts for developing advanced IR adaptive materials and exploring their applications in areas of smart camouflage, thermal energy management, biomedical science, and many other IR-related technological fields. Herein, an up-to-date review is provided on the recent advancements of bioinspired IR adaptive materials and their promising applications. First an overview of IR adaptation in nature and advanced artificial IR technologies is presented. Recent endeavors are then introduced toward developing bioinspired adaptive materials for IR camouflage and IR radiative cooling. According to the Stefan-Boltzmann law, IR camouflage can be realized by either emissivity engineering or thermal cloaks. IR radiative cooling can maximize the thermal radiation of an object through an IR atmospheric transparency window, and thus holds great potential for use in energy-efficient green buildings and smart personal thermal management systems. Recent advances in bioinspired adaptive materials for emerging near-IR (NIR) applications are also discussed, including NIR-triggered biological technologies, NIR light-fueled soft robotics, and NIR light-driven supramolecular nanosystems. This review concludes with a perspective on the challenges and opportunities for the future development of bioinspired IR adaptive materials.
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Affiliation(s)
- Jiajia Yang
- School of Materials Science and Engineering, Tianjin University, Tianjin, 300350, China
| | - Xinfang Zhang
- School of Materials Science and Engineering, Tianjin University, Tianjin, 300350, China
- Advanced Materials and Liquid Crystal Institute and Chemical Physics Interdisciplinary Program, Kent State University, Kent, OH, 44242, USA
| | - Xuan Zhang
- School of Materials Science and Engineering, Tianjin University, Tianjin, 300350, China
| | - Ling Wang
- School of Materials Science and Engineering, Tianjin University, Tianjin, 300350, China
| | - Wei Feng
- School of Materials Science and Engineering, Tianjin University, Tianjin, 300350, China
- Key Laboratory of Advanced Ceramics and Machining Technology, Ministry of Education, Tianjin, 300350, China
| | - Quan Li
- Advanced Materials and Liquid Crystal Institute and Chemical Physics Interdisciplinary Program, Kent State University, Kent, OH, 44242, USA
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21
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The Issue of Tissue: Approaches and Challenges to the Light Control of Drug Activity. CHEMPHOTOCHEM 2021; 5:611-618. [DOI: 10.1002/cptc.202100001] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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22
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Weinstain R, Slanina T, Kand D, Klán P. Visible-to-NIR-Light Activated Release: From Small Molecules to Nanomaterials. Chem Rev 2020; 120:13135-13272. [PMID: 33125209 PMCID: PMC7833475 DOI: 10.1021/acs.chemrev.0c00663] [Citation(s) in RCA: 271] [Impact Index Per Article: 67.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Indexed: 02/08/2023]
Abstract
Photoactivatable (alternatively, photoremovable, photoreleasable, or photocleavable) protecting groups (PPGs), also known as caged or photocaged compounds, are used to enable non-invasive spatiotemporal photochemical control over the release of species of interest. Recent years have seen the development of PPGs activatable by biologically and chemically benign visible and near-infrared (NIR) light. These long-wavelength-absorbing moieties expand the applicability of this powerful method and its accessibility to non-specialist users. This review comprehensively covers organic and transition metal-containing photoactivatable compounds (complexes) that absorb in the visible- and NIR-range to release various leaving groups and gasotransmitters (carbon monoxide, nitric oxide, and hydrogen sulfide). The text also covers visible- and NIR-light-induced photosensitized release using molecular sensitizers, quantum dots, and upconversion and second-harmonic nanoparticles, as well as release via photodynamic (photooxygenation by singlet oxygen) and photothermal effects. Release from photoactivatable polymers, micelles, vesicles, and photoswitches, along with the related emerging field of photopharmacology, is discussed at the end of the review.
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Affiliation(s)
- Roy Weinstain
- School
of Plant Sciences and Food Security, Faculty of Life Sciences, Tel-Aviv University, Tel-Aviv 6997801, Israel
| | - Tomáš Slanina
- Institute
of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo nám. 2, 166 10 Prague, Czech Republic
| | - Dnyaneshwar Kand
- School
of Plant Sciences and Food Security, Faculty of Life Sciences, Tel-Aviv University, Tel-Aviv 6997801, Israel
| | - Petr Klán
- Department
of Chemistry and RECETOX, Faculty of Science, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
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23
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Wan Z, Zhang P, Lv L, Zhou Y. NIR light-assisted phototherapies for bone-related diseases and bone tissue regeneration: A systematic review. Theranostics 2020; 10:11837-11861. [PMID: 33052249 PMCID: PMC7546009 DOI: 10.7150/thno.49784] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Accepted: 09/17/2020] [Indexed: 02/07/2023] Open
Abstract
Recently, the rapid development of biomaterials has induced great interest in the precisely targeted treatment of bone-related diseases, including bone cancers, infections, and inflammation. Realizing noninvasive therapeutic effects, as well as improving bone tissue regeneration, is essential for the success of bone‑related disease therapies. In recent years, researchers have focused on the development of stimuli-responsive strategies to treat bone-related diseases and to realize bone regeneration. Among the various external stimuli for targeted therapy, near infrared (NIR) light has attracted considerable interests due to its high tissue penetration capacity, minimal damage toward normal tissues, and easy remote control properties. The main objective of this systematic review was to reveal the current applications of NIR light-assisted phototherapy for bone-related disease treatment and bone tissue regeneration. Database collection was completed by June 1, 2020, and a total of 81 relevant studies were finally included. We outlined the various therapeutic applications of photothermal, photodynamic and photobiomodulation effects under NIR light irradiation for bone‑related disease treatment and bone regeneration, based on the retrieved literatures. In addition, the advantages and promising applications of NIR light-responsive drug delivery systems for spatiotemporal-controlled therapy were summarized. These findings have revealed that NIR light-assisted phototherapy plays an important role in bone-related disease treatment and bone tissue regeneration, with significant promise for further biomedical and clinical applications.
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Guha A, Shaharyar MA, Ali KA, Roy SK, Kuotsu K. Smart and Intelligent Stimuli Responsive Materials: An Innovative Step in Drug Delivery System. ACTA ACUST UNITED AC 2020. [DOI: 10.2174/2212711906666190723142057] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Background:
In the field of drug delivery, smart and intelligent approaches have gained
significant attention among researchers in order to improve the efficacy of conventional dosage forms.
Material science has played a key role in developing these intelligent systems that can deliver therapeutic
cargo on-demand. Stimuli responsive material based drug delivery systems have emerged as
one of the most promising innovative tools for site-specific delivery. Several endogenous and exogenous
stimuli have been exploited to devise “stimuli-responsive” materials for targeted drug delivery.
Methods:
For better understanding, these novel systems have been broadly classified into two categories:
Internally Regulated Systems (pH, ionic strength, glucose, enzymes, and endogenous receptors)
and Externally Regulated Systems (Light, magnetic field, electric field, ultrasound, and temperature).
This review has followed a systematic approach through separately describing the design, development,
and applications of each stimuli-responsive system in a constructive manner.
Results:
The development includes synthesis and characterization of each system, which has been discussed
in a structured manner. From advantages to drawbacks, a detailed description has been included
for each smart stimuli responsive material. For a complete review in this niche area of drug delivery,
a wide range of therapeutic applications including recent advancement of these smart materials
have been incorporated.
Conclusion:
From the current scenario to future development, a precise overview of each type of system
has been discussed in this article. In summary, it is expected that researchers working in this novel
area will be highly benefited from this scientific review.
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Affiliation(s)
- Arijit Guha
- Department of Pharmaceutical Technology, Jadavpur University, Kolkata 700032, India
| | - Md. Adil Shaharyar
- Bengal School of Technology, Sugandha, Hooghly, West Bengal-712102, India
| | - Kazi Asraf Ali
- Bengal School of Technology, Sugandha, Hooghly, West Bengal-712102, India
| | - Sanjit Kr. Roy
- Department of Pharmaceutical Technology, Jadavpur University, Kolkata 700032, India
| | - Ketousetuo Kuotsu
- Department of Pharmaceutical Technology, Jadavpur University, Kolkata 700032, India
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Wang M, Wang D, Chen Q, Li C, Li Z, Lin J. Recent Advances in Glucose-Oxidase-Based Nanocomposites for Tumor Therapy. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1903895. [PMID: 31747128 DOI: 10.1002/smll.201903895] [Citation(s) in RCA: 159] [Impact Index Per Article: 31.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 09/18/2019] [Indexed: 06/10/2023]
Abstract
Glucose oxidase (GOx) can react with intracellular glucose and oxygen (O2 ) to produce hydrogen peroxide (H2 O2 ) and gluconic acid, which can cut off the nutrition source of cancer cells and consequently inhibit their proliferation. Therefore, GOx is recognised as an ideal endogenous oxido-reductase for cancer starvation therapy. This process can further regulate the tumor microenvironment by increasing the hypoxia and the acidity. Thus, GOx offers new possibilities for the elaborate design of multifunctional nanocomposites for tumor therapy. However, natural GOx is expensive to prepare and purify and exhibits immunogenicity, short in vivo half-life, and systemic toxicity. Furthermore, GOx is highly prone to degrade after exposure to biological conditions. These intrinsic shortcomings will undoubtedly limit its biomedical applications. Accordingly, some nanocarriers can be used to protect GOx from the surrounding environment, thus controlling or preserving the activity. A variety of nanocarriers including hollow mesoporous silica nanoparticles, metal-organic frameworks, organic polymers, and magnetic nanoparticles are summarized for the construction of GOx-based nanocomposites for multimodal synergistic cancer therapy. In addition, current challenges and promising developments in this area are highlighted.
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Affiliation(s)
- Man Wang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, Jinhua, 321004, P. R. China
| | - Dongmei Wang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, Jinhua, 321004, P. R. China
| | - Qing Chen
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, Jinhua, 321004, P. R. China
| | - Chunxia Li
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, Jinhua, 321004, P. R. China
| | - Zhengquan Li
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, Jinhua, 321004, P. R. China
| | - Jun Lin
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
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26
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Zhao W, Zhao Y, Wang Q, Liu T, Sun J, Zhang R. Remote Light-Responsive Nanocarriers for Controlled Drug Delivery: Advances and Perspectives. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1903060. [PMID: 31599125 DOI: 10.1002/smll.201903060] [Citation(s) in RCA: 144] [Impact Index Per Article: 28.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 09/09/2019] [Indexed: 06/10/2023]
Abstract
Engineering of smart photoactivated nanomaterials for targeted drug delivery systems (DDS) has recently attracted considerable research interest as light enables precise and accurate controlled release of drug molecules in specific diseased cells and/or tissues in a highly spatial and temporal manner. In general, the development of appropriate light-triggered DDS relies on processes of photolysis, photoisomerization, photo-cross-linking/un-cross-linking, and photoreduction, which are normally sensitive to ultraviolet (UV) or visible (Vis) light irradiation. Considering the issues of poor tissue penetration and high phototoxicity of these high-energy photons of UV/Vis light, recently nanocarriers have been developed based on light-response to low-energy photon irradiation, in particular for the light wavelengths located in the near infrared (NIR) range. NIR light-triggered drug release systems are normally achieved by using two-photon absorption and photon upconversion processes. Herein, recent advances of light-responsive nanoplatforms for controlled drug release are reviewed, covering the mechanism of light responsive small molecules and polymers, UV and Vis light responsive nanocarriers, and NIR light responsive nanocarriers. NIR-light triggered drug delivery by two-photon excitation and upconversion luminescence strategies is also included. In addition, the challenges and future perspectives for the development of light triggered DDS are highlighted.
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Affiliation(s)
- Wei Zhao
- Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, School of Polymer Science and Engineering, Qingdao University of Science and Technology, Zhengzhou Rd. 53, Qingdao, 266042, China
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, QLD, 4072, Brisbane, Australia
| | - Yongmei Zhao
- School of Pharmacy, Nantong University, Nantong Qixiu Rd. 19, Nantong, 226019, China
| | - Qingfu Wang
- Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, School of Polymer Science and Engineering, Qingdao University of Science and Technology, Zhengzhou Rd. 53, Qingdao, 266042, China
| | - Tianqing Liu
- QIMR Berghofer Medical Research Institute, Herston Rd. 300, QLD, 4006, Brisbane, Australia
| | - Jingjiang Sun
- Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, School of Polymer Science and Engineering, Qingdao University of Science and Technology, Zhengzhou Rd. 53, Qingdao, 266042, China
| | - Run Zhang
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, QLD, 4072, Brisbane, Australia
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Peiró Cadahía J, Previtali V, Troelsen NS, Clausen MH. Prodrug strategies for targeted therapy triggered by reactive oxygen species. MEDCHEMCOMM 2019; 10:1531-1549. [PMID: 31673314 PMCID: PMC6786010 DOI: 10.1039/c9md00169g] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Accepted: 05/03/2019] [Indexed: 12/15/2022]
Abstract
Increased levels of reactive oxygen species (ROS) have been associated with numerous pathophysiological conditions including cancer and inflammation and the ROS stimulus constitutes a potential trigger for drug delivery strategies. Over the past decade, a number of ROS-sensitive functionalities have been identified with the purpose of introducing disease-targeting properties into small molecule drugs - a prodrug strategy that offers a promising approach for increasing the selectivity and efficacy of treatments. This review will provide an overview of the ROS-responsive prodrugs developed to date. A discussion on the current progress and limitations is provided along with a reflection on the unanswered questions that need to be addressed in order to advance this novel approach to the clinic.
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Affiliation(s)
| | - Viola Previtali
- Center for Nanomedicine & Theranostics , Department of Chemistry , Technical University of Denmark , Kemitorvet 207 , DK 2800 , Kongens Lyngby , Denmark .
| | - Nikolaj S Troelsen
- Center for Nanomedicine & Theranostics , Department of Chemistry , Technical University of Denmark , Kemitorvet 207 , DK 2800 , Kongens Lyngby , Denmark .
| | - Mads H Clausen
- Center for Nanomedicine & Theranostics , Department of Chemistry , Technical University of Denmark , Kemitorvet 207 , DK 2800 , Kongens Lyngby , Denmark .
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28
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Nomura N, Nishihara R, Nakajima T, Kim SB, Iwasawa N, Hiruta Y, Nishiyama S, Sato M, Citterio D, Suzuki K. Biothiol-Activatable Bioluminescent Coelenterazine Derivative for Molecular Imaging in Vitro and in Vivo. Anal Chem 2019; 91:9546-9553. [PMID: 31291724 DOI: 10.1021/acs.analchem.9b00694] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
There is a high demand for sensitive biothiol probes targeting cysteine, glutathione, and homocysteine. These biothiols are known as playing essential roles to maintain homeostasis and work as indicators of many diseases. This work presents a bioluminescent probe (named AMCM) to detect biothiols in live mammalian cells and in vivo with a limit of detection of 0.11 μM for cysteine in solution and high selectivity for biothiols, making it suitable for real-time biothiol detection in biological systems. Upon application to live cells, AMCM showed low cytotoxicity and sensitively reported bioluminescence in response to changes of biothiol levels. Furthermore, a bioluminescence resonance energy transfer system consisting of AMCM combined with the near-infrared fluorescent protein iRFP713 was applied to in vivo imaging, with emitted tissue-permeable luminescence in living mice. In summary, this work demonstrates that AMCM is of high practical value for the detection of biothiols in living cells and for deep tissue imaging in living animals.
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Affiliation(s)
| | | | - Takahiro Nakajima
- Graduate School of Arts and Sciences , The University of Tokyo , 3-8-1 Komaba , Meguro , Tokyo , Japan
| | - Sung Bae Kim
- National Institute of Advanced Industrial Science and Technology , 1-1-1 Umezono , Tsukuba , Ibaraki 305-8560 , Japan
| | | | | | | | - Moritoshi Sato
- Graduate School of Arts and Sciences , The University of Tokyo , 3-8-1 Komaba , Meguro , Tokyo , Japan
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29
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Predina JD, Runge J, Newton A, Mison M, Xia L, Corbett C, Shin M, Sulyok LF, Durham A, Nie S, Singhal S, Holt D. Evaluation of Aminolevulinic Acid-Derived Tumor Fluorescence Yields Disparate Results in Murine and Spontaneous Large Animal Models of Lung Cancer. Sci Rep 2019; 9:7629. [PMID: 31113971 PMCID: PMC6529469 DOI: 10.1038/s41598-019-40334-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Accepted: 12/28/2018] [Indexed: 11/09/2022] Open
Abstract
Fluorescence guided surgery is an emerging technology that may improve accuracy of pulmonary resection for non-small cell lung cancer (NSCLC). Herein we explore optical imaging for NSCLC surgery using the well-studied protoporphyrin IX (PPIX)/5-aminiolevulinic acid (5-ALA) system. More specifically, we evaluate fluorescent patterns observed when using (1) commonly utilized in vitro and murine NSCLC models and with (2) spontaneous canine NSCLCs, which closely mimic human disease. Using flow cytometry and fluorescent microscopy, we confirmed that NSCLC models fluoresce after exposure to 5-ALA in vitro. High levels of fluorescence were similarly observed in murine tumors within 2 hours of systemic 5-ALA delivery. When evaluating this approach in spontaneous canine NSCLC, tumor fluorescence was observed in 6 of 7 canines. Tumor fluorescence, however, was heterogenous owing to intratumoral variations in cellularity and necrosis. Margin and lymph node detection was inaccurate. These data demonstrate the importance of incorporating reliable cancer models into preclinical evaluations of optical agents. Utilization of spontaneous large animal models of cancer may further provide an important intermediate in the path to human translation of optical contrast agents.
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Affiliation(s)
- Jarrod D Predina
- Center for Precision Surgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, USA.
| | - Jeffrey Runge
- Department of Clinical Studies, University of Pennsylvania School of Veterinary Medicine, Philadelphia, USA
| | - Andrew Newton
- Center for Precision Surgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, USA
| | - Michael Mison
- Department of Clinical Studies, University of Pennsylvania School of Veterinary Medicine, Philadelphia, USA
| | - Leilei Xia
- Center for Precision Surgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, USA
| | - Christopher Corbett
- Center for Precision Surgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, USA
| | - Michael Shin
- Center for Precision Surgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, USA
| | - Lydia Frenzel Sulyok
- Center for Precision Surgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, USA
| | - Amy Durham
- Department of Pathobiology, University of Pennsylvania School of Veterinary Medicine, Philadelphia, USA
| | - Shuming Nie
- Departments of Biomedical Engineering and Chemistry, Emory University, Atlanta, Georgia
| | - Sunil Singhal
- Center for Precision Surgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, USA
| | - David Holt
- Department of Clinical Studies, University of Pennsylvania School of Veterinary Medicine, Philadelphia, USA
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30
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Zhu D, Roy S, Liu Z, Weller H, Parak WJ, Feliu N. Remotely controlled opening of delivery vehicles and release of cargo by external triggers. Adv Drug Deliv Rev 2019; 138:117-132. [PMID: 30315833 DOI: 10.1016/j.addr.2018.10.003] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 09/23/2018] [Accepted: 10/08/2018] [Indexed: 01/11/2023]
Abstract
Tremendous efforts have been devoted to the development of future nanomedicines that can be specifically designed to incorporate responsive elements that undergo modification in structural properties upon external triggers. One potential use of such stimuli-responsive materials is to release encapsulated cargo upon excitation by an external trigger. Today, such stimuli-response materials allow for spatial and temporal tunability, which enables the controlled delivery of compounds in a specific and dose-dependent manner. This potentially is of great interest for medicine (e.g. allowing for remotely controlled drug delivery to cells, etc.). Among the different external exogenous and endogenous stimuli used to control the desired release, light and magnetic fields offer interesting possibilities, allowing defined, real time control of intracellular releases. In this review we highlight the use of stimuli-responsive controlled release systems that are able to respond to light and magnetic field triggers for controlling the release of encapsulated cargo inside cells. We discuss established approaches and technologies and describe prominent examples. Special attention is devoted towards polymer capsules and polymer vesicles as containers for encapsulated cargo molecules. The advantages and disadvantages of this methodology in both, in vitro and in vivo models are discussed. An overview of challenges associate with the successful translation of those stimuli-responsive materials towards future applications in the direction of potential clinical use is given.
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Affiliation(s)
- Dingcheng Zhu
- Fachbereich Physik, CHyN, Universität Hamburg, Hamburg, Germany
| | - Sathi Roy
- Fachbereich Physik, CHyN, Universität Hamburg, Hamburg, Germany
| | - Ziyao Liu
- Fachbereich Physik, CHyN, Universität Hamburg, Hamburg, Germany
| | - Horst Weller
- Fachbereich Chemie, Universität Hamburg, Hamburg, Germany
| | - Wolfgang J Parak
- Fachbereich Physik, CHyN, Universität Hamburg, Hamburg, Germany; Fachbereich Chemie, Universität Hamburg, Hamburg, Germany
| | - Neus Feliu
- Fachbereich Physik, CHyN, Universität Hamburg, Hamburg, Germany; Experimental Cancer Medicine, Department of Laboratory Medicine (LABMED), Karolinska Institutet, Stockholm, Sweden.
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31
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Saeed M, Iqbal MZ, Ren W, Xia Y, Khan WS, Wu A. Tunable fabrication of new theranostic Fe3O4-black TiO2 nanocomposites: dual wavelength stimulated synergistic imaging-guided phototherapy in cancer. J Mater Chem B 2019; 7:210-223. [DOI: 10.1039/c8tb02704h] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The development of a simplified theranostic system with high-efficiency for multifunctional imaging-guided photodynamic therapy/photothermal therapy (PDT/PTT) is a great challenge.
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Affiliation(s)
- Madiha Saeed
- CAS Key Laboratory of Magnetic Materials and Devices
- Key Laboratory of Additive Manufacturing Materials of Zhejiang Province, & Division of Functional Materials and Nanodevices
- Ningbo Institute of Materials Technology and Engineering
- Chinese Academy of Sciences
- Ningbo
| | - M. Zubair Iqbal
- CAS Key Laboratory of Magnetic Materials and Devices
- Key Laboratory of Additive Manufacturing Materials of Zhejiang Province, & Division of Functional Materials and Nanodevices
- Ningbo Institute of Materials Technology and Engineering
- Chinese Academy of Sciences
- Ningbo
| | - Wenzhi Ren
- CAS Key Laboratory of Magnetic Materials and Devices
- Key Laboratory of Additive Manufacturing Materials of Zhejiang Province, & Division of Functional Materials and Nanodevices
- Ningbo Institute of Materials Technology and Engineering
- Chinese Academy of Sciences
- Ningbo
| | - Yuanzhi Xia
- CAS Key Laboratory of Magnetic Materials and Devices
- Key Laboratory of Additive Manufacturing Materials of Zhejiang Province, & Division of Functional Materials and Nanodevices
- Ningbo Institute of Materials Technology and Engineering
- Chinese Academy of Sciences
- Ningbo
| | - Waheed S. Khan
- CAS Key Laboratory of Magnetic Materials and Devices
- Key Laboratory of Additive Manufacturing Materials of Zhejiang Province, & Division of Functional Materials and Nanodevices
- Ningbo Institute of Materials Technology and Engineering
- Chinese Academy of Sciences
- Ningbo
| | - Aiguo Wu
- CAS Key Laboratory of Magnetic Materials and Devices
- Key Laboratory of Additive Manufacturing Materials of Zhejiang Province, & Division of Functional Materials and Nanodevices
- Ningbo Institute of Materials Technology and Engineering
- Chinese Academy of Sciences
- Ningbo
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32
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Zhang Y, Lu G, Yu Y, Zhang H, Gao J, Sun Z, Lu Y, Zou H. NIR-Responsive Copolymer Upconversion Nanocomposites for Triggered Drug Release in Vitro and in Vivo. ACS APPLIED BIO MATERIALS 2018; 2:495-503. [DOI: 10.1021/acsabm.8b00681] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Yeye Zhang
- Department of Pharmaceutical Sciences, School of Pharmacy, Second Military Medical University, Shanghai 200433, China
- Department of Pharmacy, Zhongshan Hospital, Fudan University, Shanghai 201203, China
| | - Guangzhao Lu
- Department of Pharmaceutical Sciences, School of Pharmacy, Second Military Medical University, Shanghai 200433, China
| | - Yuan Yu
- Department of Pharmaceutical Sciences, School of Pharmacy, Second Military Medical University, Shanghai 200433, China
| | - He Zhang
- Department of Pharmaceutical Sciences, School of Pharmacy, Second Military Medical University, Shanghai 200433, China
| | - Jie Gao
- Department of Pharmaceutical Sciences, School of Pharmacy, Second Military Medical University, Shanghai 200433, China
| | - Zhiguo Sun
- Department of Pharmaceutical Sciences, School of Pharmacy, Second Military Medical University, Shanghai 200433, China
| | - Ying Lu
- Department of Pharmaceutical Sciences, School of Pharmacy, Second Military Medical University, Shanghai 200433, China
| | - Hao Zou
- Department of Pharmaceutical Sciences, School of Pharmacy, Second Military Medical University, Shanghai 200433, China
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33
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Li Z, Zou X, Zhu G, Liu X, Liu R. Coumarin-Based Oxime Esters: Photobleachable and Versatile Unimolecular Initiators for Acrylate and Thiol-Based Click Photopolymerization under Visible Light-Emitting Diode Light Irradiation. ACS APPLIED MATERIALS & INTERFACES 2018; 10:16113-16123. [PMID: 29595055 DOI: 10.1021/acsami.8b01767] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Developing efficient unimolecular visible light-emitting diode (LED) light photoinitiators (PIs) with photobleaching capability, which are essential for various biomedical applications and photopolymerization of thick materials, remains a great challenge. Herein, we demonstrate the synthesis of a series of novel PIs, containing coumarin moieties as chromophores and oxime ester groups as initiation functionalities and explore their structure-activity relationship. The investigated oxime esters can effectively induce acrylates and thiol-based click photopolymerization under 450 nm visible LED light irradiation. The initiator O-3 exhibited excellent photobleaching capability and enabled photopolymerization of thick materials (∼4.8 mm). The efficient unimolecular photobleachable initiators show great potential in dental materials and 3D printings.
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34
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Cui C, Zong J, Sun Y, Zhang L, Ho CT, Wan X, Hou R. Triterpenoid saponins from the genus Camellia: structures, biological activities, and molecular simulation for structure–activity relationship. Food Funct 2018; 9:3069-3091. [DOI: 10.1039/c8fo00755a] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This review summarizes the isolation, chemical identification, and biochemical activities of Camellia triterpenoid saponins, updating a previous review and encompassing all new studies through September 2017.
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Affiliation(s)
- Chuanjian Cui
- State Key Laboratory of Tea Plant Biology and Utilization; International Joint Laboratory on Tea Chemistry and Health Effects
- School of Tea and Food Science & Technology
- Anhui Agricultural University
- Hefei
- P. R. China
| | - Jianfa Zong
- State Key Laboratory of Tea Plant Biology and Utilization; International Joint Laboratory on Tea Chemistry and Health Effects
- School of Tea and Food Science & Technology
- Anhui Agricultural University
- Hefei
- P. R. China
| | - Yue Sun
- State Key Laboratory of Tea Plant Biology and Utilization; International Joint Laboratory on Tea Chemistry and Health Effects
- School of Tea and Food Science & Technology
- Anhui Agricultural University
- Hefei
- P. R. China
| | - Liang Zhang
- State Key Laboratory of Tea Plant Biology and Utilization; International Joint Laboratory on Tea Chemistry and Health Effects
- School of Tea and Food Science & Technology
- Anhui Agricultural University
- Hefei
- P. R. China
| | - Chi-Tang Ho
- Rutgers University
- Food Science Department
- New Brunswick
- USA 08901-8520
| | - Xiaochun Wan
- State Key Laboratory of Tea Plant Biology and Utilization; International Joint Laboratory on Tea Chemistry and Health Effects
- School of Tea and Food Science & Technology
- Anhui Agricultural University
- Hefei
- P. R. China
| | - Ruyan Hou
- State Key Laboratory of Tea Plant Biology and Utilization; International Joint Laboratory on Tea Chemistry and Health Effects
- School of Tea and Food Science & Technology
- Anhui Agricultural University
- Hefei
- P. R. China
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35
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Zheng B, Wang H, Pan H, Liang C, Ji W, Zhao L, Chen H, Gong X, Wu X, Chang J. Near-Infrared Light Triggered Upconversion Optogenetic Nanosystem for Cancer Therapy. ACS NANO 2017; 11:11898-11907. [PMID: 29064662 DOI: 10.1021/acsnano.7b06395] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
In vivo the application of optogenetic manipulation in deep tissue is seriously obstructed by the limited penetration depth of visible light that is continually applied to activate a photoactuator. Herein, we designed a versatile upconversion optogenetic nanosystem based on a blue-light-mediated heterodimerization module and rare-earth upconversion nanoparticles (UCNs). The UCNs worked as a nanotransducer to convert external deep-tissue-penetrating near-infrared (NIR) light to local blue light to noninvasively activate photoreceptors for optogenetic manipulation in vivo. In this, we demonstrated that deeply penetrating NIR light could be used to control the apoptotic signaling pathway of cancer cells in both mammalian cells and mice by UCNs. We believe that this interesting NIR-light-responsive upconversion optogenetic nanotechnology has significant application potentials for both basic research and clinical applications in vivo.
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Affiliation(s)
- Bin Zheng
- School of Life Sciences, Tianjin University , 92 Weijin Road, Nankai District, Tianjin 300072, China
| | - Hanjie Wang
- School of Life Sciences, Tianjin University , 92 Weijin Road, Nankai District, Tianjin 300072, China
| | - Huizhuo Pan
- School of Life Sciences, Tianjin University , 92 Weijin Road, Nankai District, Tianjin 300072, China
| | - Chao Liang
- Department of Biochemistry and Molecular Biology, Tianjin Medical University , Tianjin 300070, China
| | - Wanying Ji
- School of Life Sciences, Tianjin University , 92 Weijin Road, Nankai District, Tianjin 300072, China
| | - Li Zhao
- Department of Biochemistry and Molecular Biology, Tianjin Medical University , Tianjin 300070, China
| | - Hongbin Chen
- School of Life Sciences, Tianjin University , 92 Weijin Road, Nankai District, Tianjin 300072, China
| | - Xiaoqun Gong
- School of Life Sciences, Tianjin University , 92 Weijin Road, Nankai District, Tianjin 300072, China
| | - Xiaoli Wu
- School of Life Sciences, Tianjin University , 92 Weijin Road, Nankai District, Tianjin 300072, China
| | - Jin Chang
- School of Life Sciences, Tianjin University , 92 Weijin Road, Nankai District, Tianjin 300072, China
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36
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Prieto M, Rwei AY, Alejo T, Wei T, Lopez-Franco MT, Mendoza G, Sebastian V, Kohane DS, Arruebo M. Light-Emitting Photon-Upconversion Nanoparticles in the Generation of Transdermal Reactive-Oxygen Species. ACS APPLIED MATERIALS & INTERFACES 2017; 9:41737-41747. [PMID: 29131564 DOI: 10.1021/acsami.7b14812] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Common photosensitizers used in photodynamic therapy do not penetrate the skin effectively. In addition, the visible blue and red lights used to excite such photosensitizers have shallow penetration depths through tissue. To overcome these limitations, we have synthesized ultraviolet- and visible-light-emitting, energy-transfer-based upconversion nanoparticles and coencapsulated them inside PLGA-PEG (methoxy poly(ethylene glycol)-b-poly(lactic-co-glycolic acid)) nanoparticles with the photosensitizer protoporphyrin IX. Nd3+ has been introduced as a sensitizer in the upconversion nanostructure to allow its excitation at 808 nm. The subcytotoxic doses of the hybrid nanoparticles have been evaluated on different cell lines (i.e., fibroblasts, HaCaT, THP-1 monocytic cell line, U251MG (glioblastoma cell line), and mMSCs (murine mesenchymal stem cells). Upon NIR (near infrared)-light excitation, the upconversion nanoparticles emitted UV and VIS light, which consequently activated the generation of reactive-oxygen species (ROS). In addition, after irradiating at 808 nm, the resulting hybrid nanoparticles containing both upconversion nanoparticles and protoporphyrin IX generated 3.4 times more ROS than PLGA-PEG nanoparticles containing just the same dose of protoporphyrin IX. Their photodynamic effect was also assayed on different cell cultures, demonstrating their efficacy in selectively killing treated and irradiated cells. Compared to the topical application of the free photosensitizer, enhanced skin permeation and penetration were observed for the nanoparticulate formulation, using an ex vivo human-skin-permeation experiment. Whereas free protoporphyrin IX remained located at the outer layer of the skin, nanoparticle-encapsulated protoporphyrin IX was able to penetrate through the epidermal layer slightly into the dermis.
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Affiliation(s)
- Martin Prieto
- Department of Chemical Engineering, Aragon Institute of Nanoscience (INA), University of Zaragoza, Campus Río Ebro , Edificio I+D, C/Poeta Mariano Esquillor S/N, 50018 Zaragoza, Spain
- Aragon Health Research Institute (IIS Aragón) , 50009 Zaragoza, Spain
| | - Alina Y Rwei
- Laboratory for Biomaterials and Drug Delivery, Department of Anesthesiology, Boston Children's Hospital, Harvard Medical School , Boston, Massachusetts 02115, United States
- Department of Materials Science and Engineering, Massachusetts Institute of Technology , Cambridge, Massachusetts 02139, United States
| | - Teresa Alejo
- Department of Chemical Engineering, Aragon Institute of Nanoscience (INA), University of Zaragoza, Campus Río Ebro , Edificio I+D, C/Poeta Mariano Esquillor S/N, 50018 Zaragoza, Spain
- Aragon Health Research Institute (IIS Aragón) , 50009 Zaragoza, Spain
| | - Tuo Wei
- Laboratory for Biomaterials and Drug Delivery, Department of Anesthesiology, Boston Children's Hospital, Harvard Medical School , Boston, Massachusetts 02115, United States
| | - Maria Teresa Lopez-Franco
- Department of Chemical Engineering, Aragon Institute of Nanoscience (INA), University of Zaragoza, Campus Río Ebro , Edificio I+D, C/Poeta Mariano Esquillor S/N, 50018 Zaragoza, Spain
- Aragon Health Research Institute (IIS Aragón) , 50009 Zaragoza, Spain
| | - Gracia Mendoza
- Department of Chemical Engineering, Aragon Institute of Nanoscience (INA), University of Zaragoza, Campus Río Ebro , Edificio I+D, C/Poeta Mariano Esquillor S/N, 50018 Zaragoza, Spain
- Aragon Health Research Institute (IIS Aragón) , 50009 Zaragoza, Spain
| | - Victor Sebastian
- Department of Chemical Engineering, Aragon Institute of Nanoscience (INA), University of Zaragoza, Campus Río Ebro , Edificio I+D, C/Poeta Mariano Esquillor S/N, 50018 Zaragoza, Spain
- Aragon Health Research Institute (IIS Aragón) , 50009 Zaragoza, Spain
- Networking Research Center on Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN , 28029 Madrid, Spain
| | - Daniel S Kohane
- Laboratory for Biomaterials and Drug Delivery, Department of Anesthesiology, Boston Children's Hospital, Harvard Medical School , Boston, Massachusetts 02115, United States
| | - Manuel Arruebo
- Department of Chemical Engineering, Aragon Institute of Nanoscience (INA), University of Zaragoza, Campus Río Ebro , Edificio I+D, C/Poeta Mariano Esquillor S/N, 50018 Zaragoza, Spain
- Aragon Health Research Institute (IIS Aragón) , 50009 Zaragoza, Spain
- Networking Research Center on Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN , 28029 Madrid, Spain
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37
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Wang L, Li B, Xu F, Li Y, Xu Z, Wei D, Feng Y, Wang Y, Jia D, Zhou Y. Visual in vivo degradation of injectable hydrogel by real-time and non-invasive tracking using carbon nanodots as fluorescent indicator. Biomaterials 2017; 145:192-206. [PMID: 28869865 DOI: 10.1016/j.biomaterials.2017.08.039] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Revised: 08/23/2017] [Accepted: 08/26/2017] [Indexed: 12/27/2022]
Abstract
Visual in vivo degradation of hydrogel by fluorescence-related tracking and monitoring is crucial for quantitatively depicting the degradation profile of hydrogel in a real-time and non-invasive manner. However, the commonly used fluorescent imaging usually encounters limitations, such as intrinsic photobleaching of organic fluorophores and uncertain perturbation of degradation induced by the change in molecular structure of hydrogel. To address these problems, we employed photoluminescent carbon nanodots (CNDs) with low photobleaching, red emission and good biocompatibility as fluorescent indicator for real-time and non-invasive visual in vitro/in vivo degradation of injectable hydrogels that are mixed with CNDs. The in vitro/in vivo toxicity results suggested that CNDs were nontoxic. The embedded CNDs in hydrogels did not diffuse outside in the absence of hydrogel degradation. We had acquired similar degradation kinetics (PBS-Enzyme) between gravimetric and visual determination, and established mathematical equation to quantitatively depict in vitro degradation profile of hydrogels for the predication of in vivo hydrogel degradation. Based on the in vitro data, we developed a visual platform that could quantitatively depict in vivo degradation behavior of new injectable biomaterials by real-time and non-invasive fluorescence tracking. This fluorescence-related visual imaging methodology could be applied to subcutaneous degradation of injectable hydrogel with down to 7 mm depth in small animal trials so far. This fluorescence-related visual imaging methodology holds great potentials for rational design and convenient in vivo screening of biocompatible and biodegradable injectable hydrogels in tissue engineering.
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Affiliation(s)
- Lei Wang
- Institute for Advanced Ceramics, State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150001, PR China
| | - Baoqiang Li
- Institute for Advanced Ceramics, State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150001, PR China.
| | - Feng Xu
- MOE Key Laboratory of Biomedical Information Engineering, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, PR China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, PR China
| | - Ying Li
- Sino-Russian Institute of Hard Tissue Development and Regeneration, The Second Affiliated Hospital of Harbin Medical University, Heilongjiang Academy of Medical Sciences, Harbin 150001, PR China
| | - Zheheng Xu
- Institute for Advanced Ceramics, State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150001, PR China
| | - Daqing Wei
- Institute for Advanced Ceramics, State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150001, PR China
| | - Yujie Feng
- Institute for Advanced Ceramics, State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150001, PR China
| | - Yaming Wang
- Institute for Advanced Ceramics, State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150001, PR China
| | - Dechang Jia
- Institute for Advanced Ceramics, State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150001, PR China
| | - Yu Zhou
- Institute for Advanced Ceramics, State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150001, PR China
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38
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Gandioso A, Palau M, Nin‐Hill A, Melnyk I, Rovira C, Nonell S, Velasco D, García‐Amorós J, Marchán V. Sequential Uncaging with Green Light can be Achieved by Fine-Tuning the Structure of a Dicyanocoumarin Chromophore. ChemistryOpen 2017; 6:375-384. [PMID: 28638770 PMCID: PMC5474652 DOI: 10.1002/open.201700067] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Indexed: 12/26/2022] Open
Abstract
We report the synthesis and photochemical properties of a series of dicyanocoumarinylmethyl (DEAdcCM)- and dicyanocoumarinylethyl (DEAdcCE)-based photocages of carboxylic acids and amines with absorption maximum around 500 nm. Photolysis studies with green light have demonstrated that the structure of the coumarin chromophore as well as the nature of the leaving group and the type of bond to be photocleaved (ester or carbamate) have a strong influence on the rate and efficiency of the uncaging process. These experimental observations were also supported by DFT calculations. Such differences in deprotection kinetics have been exploited to sequentially photolyze two dicyanocoumarin-caged model compounds (e.g., benzoic acid and ethylamine), and open the way to increasing the number of functional levels that can be addressed with light in a single system, particularly when combining dicyanocoumarin caging groups with other photocleavable protecting groups, which remain intact under green light irradiation.
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Affiliation(s)
- Albert Gandioso
- Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, IBUB (AG, VM)Universitat de Barcelona08028BarcelonaSpain
| | - Marta Palau
- Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, IBUB (AG, VM)Universitat de Barcelona08028BarcelonaSpain
| | - Alba Nin‐Hill
- Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, IBUB (AG, VM)Universitat de Barcelona08028BarcelonaSpain
- Institut de Química Teòrica i Computacional (IQTCUB)Universitat de Barcelona08028BarcelonaSpain
| | - Ivanna Melnyk
- Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, IBUB (AG, VM)Universitat de Barcelona08028BarcelonaSpain
| | - Carme Rovira
- Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, IBUB (AG, VM)Universitat de Barcelona08028BarcelonaSpain
- Institució Catalana de Recerca i Estudis Avançats (ICREA)08010BarcelonaSpain
- Institut de Química Teòrica i Computacional (IQTCUB)Universitat de Barcelona08028BarcelonaSpain
| | - Santi Nonell
- Institut Químic de SarriàUniversitat Ramon Llull08017BarcelonaSpain
| | - Dolores Velasco
- Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, IBUB (AG, VM)Universitat de Barcelona08028BarcelonaSpain
- Institut de Nanociència i Nanotecnologia (IN2UB)Universitat de Barcelona08028BarcelonaSpain
| | - Jaume García‐Amorós
- Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, IBUB (AG, VM)Universitat de Barcelona08028BarcelonaSpain
| | - Vicente Marchán
- Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, IBUB (AG, VM)Universitat de Barcelona08028BarcelonaSpain
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39
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Wu S, Blinco JP, Barner-Kowollik C. Near-Infrared Photoinduced Reactions Assisted by Upconverting Nanoparticles. Chemistry 2017; 23:8325-8332. [DOI: 10.1002/chem.201700658] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2017] [Indexed: 12/17/2022]
Affiliation(s)
- Si Wu
- Max Planck Institute for Polymer Research; Ackermannweg 10 55128 Mainz Germany
| | - James P. Blinco
- School of Chemistry, Physics and Mechanical Engineering; Queensland University of Technology (QUT); 2 George St. Brisbane QLD 4001 Australia
- Preparative Macromolecular Chemistry; Institut für Technische Chemie und Polymerchemie; Karlsruhe Institute of Technology (KIT); Engesserstr. 18 76131 Karlsruhe Germany
| | - Christopher Barner-Kowollik
- School of Chemistry, Physics and Mechanical Engineering; Queensland University of Technology (QUT); 2 George St. Brisbane QLD 4001 Australia
- Preparative Macromolecular Chemistry; Institut für Technische Chemie und Polymerchemie; Karlsruhe Institute of Technology (KIT); Engesserstr. 18 76131 Karlsruhe Germany
- Institut für Biologische Grenzflächen; Karlsruhe Institute of Technology (KIT); Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
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40
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Wu S, Butt HJ. Near-infrared photochemistry at interfaces based on upconverting nanoparticles. Phys Chem Chem Phys 2017; 19:23585-23596. [DOI: 10.1039/c7cp01838j] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
We review near-infrared photochemistry at interfaces based on upconverting nanoparticles, highlight its potential applications, and discuss the challenges.
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Affiliation(s)
- Si Wu
- Max Planck Institute for Polymer Research
- 55128 Mainz
- Germany
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41
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Möller N, Hellwig T, Stricker L, Engel S, Fallnich C, Ravoo BJ. Near-infrared photoswitching of cyclodextrin–guest complexes using lanthanide-doped LiYF4 upconversion nanoparticles. Chem Commun (Camb) 2017; 53:240-243. [DOI: 10.1039/c6cc08321h] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
This communication reports a new type of supramolecular cyclodextrin–guest complexes using cyclodextrin coated upconversion nanoparticles as hosts and monovalent and divalent azobenzenes and arylazopyrazoles as guests.
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Affiliation(s)
- Nadja Möller
- Organic Chemistry Institute
- Westfälische Wilhelms-Universität Münster
- 48149 Münster
- Germany
| | - Tim Hellwig
- Institute of Applied Physics
- Westfälische Wilhelms-Universität Münster
- 48149 Münster
- Germany
| | - Lucas Stricker
- Organic Chemistry Institute
- Westfälische Wilhelms-Universität Münster
- 48149 Münster
- Germany
| | - Sabrina Engel
- Organic Chemistry Institute
- Westfälische Wilhelms-Universität Münster
- 48149 Münster
- Germany
| | - Carsten Fallnich
- Institute of Applied Physics
- Westfälische Wilhelms-Universität Münster
- 48149 Münster
- Germany
| | - Bart Jan Ravoo
- Organic Chemistry Institute
- Westfälische Wilhelms-Universität Münster
- 48149 Münster
- Germany
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42
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Abstract
Liposomes have been widely studied for drug delivery applications. The inclusion of photoactive molecules into liposomes opens the possibility of light‐controlled cargo release to enhance drug biodistribution or bioavailability at target sites. Membrane permeabilization induced by light can be an effective strategy for enhancing cargo delivery with spatial and temporal control, which holds potential for chemophototherapy approaches. Several diverse mechanisms have been reported including light‐induced oxidation, photocrosslinking, photoisomerization, photocleavage, and photothermal release. Here, we review selected recent reports of light‐triggered cargo release from liposomes.
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Affiliation(s)
- Dyego Miranda
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, NY, 14260, USA
| | - Jonathan F Lovell
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, NY, 14260, USA
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43
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Mahlumba P, Choonara YE, Kumar P, du Toit LC, Pillay V. Stimuli-Responsive Polymeric Systems for Controlled Protein and Peptide Delivery: Future Implications for Ocular Delivery. Molecules 2016; 21:E1002. [PMID: 27483234 PMCID: PMC6273787 DOI: 10.3390/molecules21081002] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Revised: 07/26/2016] [Accepted: 07/27/2016] [Indexed: 12/31/2022] Open
Abstract
Therapeutic proteins and peptides have become notable in the drug delivery arena for their compatibility with the human body as well as their high potency. However, their biocompatibility and high potency does not negate the existence of challenges resulting from physicochemical properties of proteins and peptides, including large size, short half-life, capability to provoke immune responses and susceptibility to degradation. Various delivery routes and delivery systems have been utilized to improve bioavailability, patient acceptability and reduce biodegradation. The ocular route remains of great interest, particularly for responsive delivery of macromolecules due to the anatomy and physiology of the eye that makes it a sensitive and complex environment. Research in this field is slowly gaining attention as this could be the breakthrough in ocular drug delivery of macromolecules. This work reviews stimuli-responsive polymeric delivery systems, their use in the delivery of therapeutic proteins and peptides as well as examples of proteins and peptides used in the treatment of ocular disorders. Stimuli reviewed include pH, temperature, enzymes, light, ultrasound and magnetic field. In addition, it discusses the current progress in responsive ocular drug delivery. Furthermore, it explores future prospects in the use of stimuli-responsive polymers for ocular delivery of proteins and peptides. Stimuli-responsive polymers offer great potential in improving the delivery of ocular therapeutics, therefore there is a need to consider them in order to guarantee a local, sustained and ideal delivery of ocular proteins and peptides, evading tissue invasion and systemic side-effects.
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Affiliation(s)
- Pakama Mahlumba
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Science, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown 2193, South Africa.
| | - Yahya E Choonara
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Science, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown 2193, South Africa.
| | - Pradeep Kumar
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Science, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown 2193, South Africa.
| | - Lisa C du Toit
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Science, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown 2193, South Africa.
| | - Viness Pillay
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Science, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown 2193, South Africa.
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44
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Sun W, Parowatkin M, Steffen W, Butt HJ, Mailänder V, Wu S. Ruthenium-Containing Block Copolymer Assemblies: Red-Light-Responsive Metallopolymers with Tunable Nanostructures for Enhanced Cellular Uptake and Anticancer Phototherapy. Adv Healthc Mater 2016; 5:467-73. [PMID: 26680371 DOI: 10.1002/adhm.201500827] [Citation(s) in RCA: 69] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2015] [Indexed: 11/05/2022]
Abstract
The use of self-assembled nanostructures consisting of red-light-responsive Ru(II)-containing block copolymers (BCPs) for anticancer phototherapy is demonstrated. Three Ru-containing BCPs with different molecular weights are synthesized. Each BCP contains a hydrophilic poly(ethylene glycol) block and an Ru-containing block. In the Ru-containing block, more than half of the side chains are coordinated with [Ru(2,2':6',2''-terpyridine)(2,2'-biquinoline)](2+) , resulting in more than 40 wt% Ru complex in the BCPs. The Ru complex acts as both a red-light-cleavable moiety and a photoactivated prodrug. Depending on their molecular weights, the BCPs assemble into micelles, vesicles, and large compound micelles. All of the BCP assemblies are taken up by cancer cells. Red-light irradiation releases the Ru complex and generates singlet oxygen ((1) O2 ) in cancer cells. The released Ru complex and (1) O2 inhibit the growth of cancer cells. Among the three BCP assemblies, the BCP micelle exhibits the most efficient cellular uptake and best anticancer performance.
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Affiliation(s)
- Wen Sun
- Max Planck Institute for Polymer Research; Ackermannweg 10 55128 Mainz Germany
| | - Maria Parowatkin
- Max Planck Institute for Polymer Research; Ackermannweg 10 55128 Mainz Germany
| | - Werner Steffen
- Max Planck Institute for Polymer Research; Ackermannweg 10 55128 Mainz Germany
| | - Hans-Jürgen Butt
- Max Planck Institute for Polymer Research; Ackermannweg 10 55128 Mainz Germany
| | - Volker Mailänder
- Max Planck Institute for Polymer Research; Ackermannweg 10 55128 Mainz Germany
- III. Medical Clinic; University Medicine of the Johannes-Gutenberg University Mainz; Langenbeckstr. 1 55131 Mainz Germany
| | - Si Wu
- Max Planck Institute for Polymer Research; Ackermannweg 10 55128 Mainz Germany
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45
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Wu S, Butt HJ. Near-Infrared-Sensitive Materials Based on Upconverting Nanoparticles. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2016; 28:1208-26. [PMID: 26389516 DOI: 10.1002/adma.201502843] [Citation(s) in RCA: 262] [Impact Index Per Article: 32.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2015] [Revised: 07/05/2015] [Indexed: 05/21/2023]
Abstract
The near-infrared (NIR) region of the spectrum is called the "therapeutic window" because NIR light can penetrate deeply into tissue. Therefore, NIR-sensitive materials are attractive for biomedical applications. Recently, upconverting nanoparticles (UCNPs) were used to construct NIR-sensitive materials. UCNPs convert NIR light to UV or visible light, which can trigger photoreactions of photosensitive materials. Here, how to use UCNPs to construct NIR-sensitive materials is introduced, applications of NIR-sensitive materials with a focus on biomedical applications are highlighted, and the associated challenges are discussed.
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Affiliation(s)
- Si Wu
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Hans-Jürgen Butt
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
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46
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Piatkowski L, Gellings E, van Hulst NF. Broadband single-molecule excitation spectroscopy. Nat Commun 2016; 7:10411. [PMID: 26794035 PMCID: PMC4735816 DOI: 10.1038/ncomms10411] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Accepted: 12/09/2015] [Indexed: 01/31/2023] Open
Abstract
Over the past 25 years, single-molecule spectroscopy has developed into a widely used tool in multiple disciplines of science. The diversity of routinely recorded emission spectra does underpin the strength of the single-molecule approach in resolving the heterogeneity and dynamics, otherwise hidden in the ensemble. In early cryogenic studies single molecules were identified by their distinct excitation spectra, yet measuring excitation spectra at room temperature remains challenging. Here we present a broadband Fourier approach that allows rapid recording of excitation spectra of individual molecules under ambient conditions and that is robust against blinking and bleaching. Applying the method we show that the excitation spectra of individual molecules exhibit an extreme distribution of solvatochromic shifts and distinct spectral shapes. Importantly, we demonstrate that the sensitivity and speed of the broadband technique is comparable to that of emission spectroscopy putting both techniques side-by-side in single-molecule spectroscopy.
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Affiliation(s)
- Lukasz Piatkowski
- ICFO—Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology, 08860 Castelldefels (Barcelona), Spain
| | - Esther Gellings
- ICFO—Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology, 08860 Castelldefels (Barcelona), Spain
| | - Niek F. van Hulst
- ICFO—Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology, 08860 Castelldefels (Barcelona), Spain
- ICREA—Institució Catalana de Recerca i Estudis Avançats, 08010 Barcelona, Spain
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47
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Chan M, Almutairi A. Nanogels as imaging agents for modalities spanning the electromagnetic spectrum. MATERIALS HORIZONS 2016; 3:21-40. [PMID: 27398218 PMCID: PMC4906372 DOI: 10.1039/c5mh00161g] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2015] [Accepted: 09/25/2015] [Indexed: 05/05/2023]
Abstract
In the past few decades, advances in imaging equipment and protocols have expanded the role of imaging in in vivo diagnosis and disease management, especially in cancer. Traditional imaging agents have rapid clearance and low specificity for disease detection. To improve accuracy in disease identification, localization and assessment, novel nanomaterials are frequently explored as imaging agents to achieve high detection specificity and sensitivity. A promising material for this purpose are hydrogel nanoparticles, whose high hydrophilicity, biocompatibility, and tunable size in the nanometer range make them ideal for imaging. These nanogels (10 to 200 nm) can circumvent uptake by the reticuloendothelial system, allowing longer circulation times than small molecules. In addition, their size/surface properties can be further tailored to optimize their pharmacokinetics for imaging of a particular disease. Herein, we provide a comprehensive review of nanogels as imaging agents in various modalities with sources of signal spanning the electromagnetic spectrum, including MRI, NIR, UV-vis, and PET. Many materials and formulation methods will be reviewed to highlight the versatility of nanogels as imaging agents.
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Affiliation(s)
- Minnie Chan
- Department of Chemistry and Biochemistry , University of California , San Diego , La Jolla , CA 92093-0600 , USA
| | - Adah Almutairi
- Skaggs School of Pharmacy and Pharmaceutical Sciences , KACST-UCSD Center of Excellence in Nanomedicine , Laboratory of Bioresponsive Materials , University of California , 9500 Gilman Dr., 0600 , PSB 2270 , La Jolla , San Diego , CA 92093-0600 , USA . ; Tel: +1 (858) 246 0871
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48
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Chen Z, Xiong Y, Etchenique R, Wu S. Manipulating pH using near-infrared light assisted by upconverting nanoparticles. Chem Commun (Camb) 2016; 52:13959-13962. [DOI: 10.1039/c6cc05287h] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Control of pH was achieved using near-infrared light assisted by upconverting nanoparticles and a ruthenium complex photobase.
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Affiliation(s)
- Zhijun Chen
- Max Planck Institute for Polymer Research
- 55128, Mainz
- Germany
| | - Yubing Xiong
- Max Planck Institute for Polymer Research
- 55128, Mainz
- Germany
| | - Roberto Etchenique
- Departamento de Química Inorgánica
- Analítica y Química Física
- INQUIMAE
- Facultad de Ciencias Exactas y Naturales
- Universidad de Buenos Aires
| | - Si Wu
- Max Planck Institute for Polymer Research
- 55128, Mainz
- Germany
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49
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Li Z, Zhang Y, La H, Zhu R, El-Banna G, Wei Y, Han G. Upconverting NIR Photons for Bioimaging. NANOMATERIALS 2015; 5:2148-2168. [PMID: 28347113 PMCID: PMC5304770 DOI: 10.3390/nano5042148] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2015] [Accepted: 11/27/2015] [Indexed: 01/10/2023]
Abstract
Lanthanide-doped upconverting nanoparticles (UCNPs) possess uniqueanti-Stokes optical properties, in which low energy near-infrared (NIR) photons can beconverted into high energy UV, visible, shorter NIR emission via multiphoton upconversionprocesses. Due to the rapid development of synthesis chemistry, lanthanide-doped UCNPscan be fabricated with narrow distribution and tunable multi-color optical properties. Theseunique attributes grant them unique NIR-driven imaging/drug delivery/therapeuticapplications, especially in the cases of deep tissue environments. In this brief review, weintroduce both the basic concepts of and recent progress with UCNPs in material engineeringand theranostic applications in imaging, molecular delivery, and tumor therapeutics. The aimof this brief review is to address the most typical progress in basic mechanism, materialdesign as bioimaging tools.
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Affiliation(s)
- Zhanjun Li
- Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, MA 01605, USA.
| | - Yuanwei Zhang
- Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, MA 01605, USA.
| | - Hieu La
- Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, MA 01605, USA.
| | - Richard Zhu
- Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, MA 01605, USA.
| | - Ghida El-Banna
- Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, MA 01605, USA
| | - Yuzou Wei
- Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, MA 01605, USA.
| | - Gang Han
- Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, MA 01605, USA.
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50
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Olejniczak J, Carling CJ, Almutairi A. Photocontrolled release using one-photon absorption of visible or NIR light. J Control Release 2015; 219:18-30. [PMID: 26394063 DOI: 10.1016/j.jconrel.2015.09.030] [Citation(s) in RCA: 98] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Revised: 09/08/2015] [Accepted: 09/16/2015] [Indexed: 11/26/2022]
Abstract
Light is an excellent means to externally control the properties of materials and small molecules for many applications. Light's ability to initiate chemistries largely independent of a material's local environment makes it particularly useful as a bio-orthogonal and on-demand trigger in living systems. Materials responsive to UV light are widely reported in the literature; however, UV light has substantial limitations for in vitro and in vivo applications. Many biological molecules absorb these energetic wavelengths directly, not only preventing substantial tissue penetration but also causing detrimental photochemical reactions. The more innocuous nature of long-wavelength light (>400nm) and its ability at longer wavelengths (600-950nm) to effectively penetrate tissues is ideal for biological applications. Multi-photon processes (e.g. two-photon excitation and upconversion) using longer wavelength light, often in the near-infrared (NIR) range, have been proposed as a means of avoiding the negative characteristics of UV light. However, high-power focused laser light and long irradiation times are often required to initiate photorelease using these inefficient non-linear optical methods, limiting their in vivo use in mammalian tissues where NIR light is readily scattered. The development of materials that efficiently convert a single photon of long-wavelength light to chemical change is a viable solution to achieve in vivo photorelease. However, to date only a few such materials have been reported. Here we review current technologies for photo-regulated release using photoactive organic materials that directly absorb visible and NIR light.
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Affiliation(s)
- Jason Olejniczak
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA
| | - Carl-Johan Carling
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA; IEM Center for Nanomedicine and Engineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA
| | - Adah Almutairi
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA; IEM Center for Nanomedicine and Engineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA; Department of Nanoengineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA; Department of Materials Science and Engineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA.
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