1
|
Biocatalytic self-assembled synthetic vesicles and coacervates: From single compartment to artificial cells. Adv Colloid Interface Sci 2022; 299:102566. [PMID: 34864354 DOI: 10.1016/j.cis.2021.102566] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Revised: 11/15/2021] [Accepted: 11/19/2021] [Indexed: 12/18/2022]
Abstract
Compartmentalization is an intrinsic feature of living cells that allows spatiotemporal control over the biochemical pathways expressed in them. Over the years, a library of compartmentalized systems has been generated, which includes nano to micrometer sized biomimetic vesicles derived from lipids, amphiphilic block copolymers, peptides, and nanoparticles. Biocatalytic vesicles have been developed using a simple bag containing enzyme design of liposomes to multienzymes immobilized multi-vesicular compartments for artificial cell generation. Additionally, enzymes were also entrapped in membrane-less coacervate droplets to mimic the cytoplasmic macromolecular crowding mechanisms. Here, we have discussed different types of single and multicompartment systems, emphasizing their recent developments as biocatalytic self-assembled structures using recent examples. Importantly, we have summarized the strategies in the development of the self-assembled structure to improvise their adaptivity and flexibility for enzyme immobilization. Finally, we have presented the use of biocatalytic assemblies in mimicking different aspects of living cells, which further carves the path for the engineering of a minimal cell.
Collapse
|
2
|
Enhanced Stability of Indocyanine Green by Encapsulation in Zein-Phosphatidylcholine Hybrid Nanoparticles for Use in the Phototherapy of Cancer. Pharmaceutics 2021; 13:pharmaceutics13030305. [PMID: 33652884 PMCID: PMC7996753 DOI: 10.3390/pharmaceutics13030305] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 02/13/2021] [Accepted: 02/19/2021] [Indexed: 01/10/2023] Open
Abstract
Indocyanine green (ICG) is a clinically approved near-infrared dye that has shown promise as a photosensitizer for the phototherapy of cancer. However, its chemical instability in an aqueous solution has limited its clinical application. Encapsulating ICG in liposomes, phosphatidylcholine nanoparticles (PC-NP), has shown partial effectiveness in stabilizing it. Prompted by our recent finding that the zein-phosphatidylcholine hybrid nanoparticles (Z/PC-NP) provide an advanced drug carrier compared to PC-NP, we herein investigated the potential of Z/PC-NP as an improved ICG formulation. Dynamic light scattering analysis, transmission electron microscopy, and Fourier-transform infrared spectroscopy studies showed that ICG was encapsulated in Z/PC-NP without hampering the high colloidal stability of the Z/PC-NP. During storage, the Z/PC-NP almost completely inhibited the ICG aggregation, whereas the PC-NP did so partially. The Z/PC-NP also more effectively blocked the ICG degradation compared to the PC-NP. The phototoxicity of ICG encapsulated in Z/PC-NP on cancer cells was twofold higher than that in the PC-NP. The ICG encapsulated in Z/PC-NP, but not in PC-NP, maintained its photocytotoxicity after four-day storage. These findings highlight the promising potential of Z/PC-NP as an ICG formulation that provides a higher stabilization effect than PC-NP.
Collapse
|
3
|
Li X, Yang C, Tao Y, Hou X, Liu Y, Sang H, Jiang G. Near-Infrared Light-Triggered Thermosensitive Liposomes Modified with Membrane Peptides for the Local Chemo/Photothermal Therapy of Melanoma. Onco Targets Ther 2021; 14:1317-1329. [PMID: 33658797 PMCID: PMC7920603 DOI: 10.2147/ott.s287272] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 01/29/2021] [Indexed: 01/14/2023] Open
Abstract
Purpose A near-infrared (NIR)-triggered trans-activating transcriptional activator (TAT)-based targeted drug delivery system for the combined chemo/photothermal therapy of melanoma, namely, TAT-TSL-TMZ (temozolomide)/IR820, was developed for the first time. Methods TAT-TSL-TMZ/IR820 liposomes were synthesized via thin-film dispersion and sonication. IR820 and TMZ were encased in the inner layer and lipid bilayer of the liposomes, respectively. Results Dynamic light scattering results showed that the liposomes had an average hydrodynamic size of 166.9 nm and a zeta potential of -2.55 mV. The encapsulation rates of TMZ and IR820 were 35.4% and 28.6%, respectively. The heating curve obtained under near-infrared (NIR) laser irradiation showed that TAT-TSL-TMZ/IR820 liposomes had good photothermal conversion efficiency. The in vitro drug release curve revealed that NIR laser irradiation could accelerate drug release from TAT-TSL-TMZ/IR820 liposomes. The results of inverted fluorescence microscopy and flow cytometry proved that the uptake of TAT-TSL-TMZ/IR820 liposomes by human melanoma cells (MV3 cells) was concentration-dependent and that the liposomes modified with membrane peptides were more likely to be ingested by cells than unmodified liposomes. Confocal laser scanning microscopy indicated that TAT-TSL-TMZ/IR820 liposomes entered MV3 cells via endocytosis and was stored in lysosomes. In addition, TAT-TSL-TMZ/IR820 liposomes exposed to NIR laser showed 89.73% reduction in cell viability. Conclusion This study investigated the photothermal conversion, cell uptake, colocation and chemo/photothermal effect of TAT-TSL-TMZ/IR820 liposomes.
Collapse
Affiliation(s)
- Xinxin Li
- Department of Clinical Medicine, Xuzhou Medical University, Xuzhou, 221004, People's Republic of China.,Department of Dermatology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, 221002, People's Republic of China
| | - Chunsheng Yang
- Jinling Hospital Department of Dermatology, Nanjing Medical University, Nanjing, 210002, People's Republic of China.,Department of Dermatology, The Affiliated Huai'an Hospital of Xuzhou Medical University, The Second People's Hospital of Huai'an, Huai'an, 223002, People's Republic of China
| | - Yingkai Tao
- Department of Clinical Medicine, Xuzhou Medical University, Xuzhou, 221004, People's Republic of China.,Department of Dermatology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, 221002, People's Republic of China
| | - Xiaoyang Hou
- Department of Clinical Medicine, Xuzhou Medical University, Xuzhou, 221004, People's Republic of China.,Department of Dermatology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, 221002, People's Republic of China
| | - Yanqun Liu
- Department of Clinical Medicine, Xuzhou Medical University, Xuzhou, 221004, People's Republic of China.,Department of Dermatology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, 221002, People's Republic of China
| | - Hong Sang
- Jinling Hospital Department of Dermatology, Nanjing Medical University, Nanjing, 210002, People's Republic of China
| | - Guan Jiang
- Department of Clinical Medicine, Xuzhou Medical University, Xuzhou, 221004, People's Republic of China.,Department of Dermatology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, 221002, People's Republic of China
| |
Collapse
|
4
|
Kono Y, Yokoyama K, Suzuki M, Takakura H, Ogawa M. Surface Modification of Liposomes Using IR700 Enables Efficient Controlled Contents Release Triggered by Near-IR Light. Biol Pharm Bull 2020; 43:736-741. [PMID: 32238716 DOI: 10.1248/bpb.b19-00864] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Stimuli-responsive liposomes are promising drug carriers for cancer treatment because they enable controlled drug release and the maintenance of desired drug concentrations in tumor tissue. In particular, near-IR (NIR) light is a useful stimulus for triggering drug release from liposomes based on its advantages such as deep tissue penetration and safety. Previously, we found that a silicon phthalocyanine derivative, IR700, conjugated to antibodies, can induce the rupture of the cell membrane following irradiation by NIR light. Based on this finding, we constructed IR700-modified liposomes (IR700 liposomes) and evaluated their drug release properties triggered by NIR light. IR700 liposomes released substantial amounts of encapsulated calcein following irradiation by NIR light. Drug release was substantially suppressed by the addition of sodium azide, suggesting that liposomal membrane permeabilization was mediated by singlet oxygen generated from IR700. Moreover, calcein release from IR700 liposomes triggered by NIR light was promoted under conditions of deoxygenation and the presence of electron donors. Thus, membrane disruption should be induced by the physical change of IR700 from highly hydrophilic to hydrophobic as we previously described, although singlet oxygen can cause a certain level of membrane disruption under normoxia. We also observed that doxorubicin-encapsulated IR700 liposomes exhibited significant cytotoxic effects against CT-26 murine colon carcinoma cells following NIR light exposure. These results indicate that IR700 liposomes can efficiently release anti-cancer drugs following NIR light irradiation even under hypoxic conditions and, therefore, they would be useful for cancer treatment.
Collapse
Affiliation(s)
- Yusuke Kono
- Laboratory for Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University
| | - Kazuha Yokoyama
- Laboratory for Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University
| | - Motofumi Suzuki
- Laboratory for Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University
| | - Hideo Takakura
- Laboratory for Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University
| | - Mikako Ogawa
- Laboratory for Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University.,PRESTO, Japan Science and Technology Agency
| |
Collapse
|
5
|
Hou X, Pang Y, Li X, Yang C, Liu W, Jiang G, Liu Y. Core‑shell type thermo‑nanoparticles loaded with temozolomide combined with photothermal therapy in melanoma cells. Oncol Rep 2019; 42:2512-2520. [PMID: 31545500 PMCID: PMC6826326 DOI: 10.3892/or.2019.7329] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Accepted: 08/23/2019] [Indexed: 01/21/2023] Open
Abstract
A novel core-shell type thermo-nanoparticle (CSTNP) co-loaded with temozolomide (TMZ) and the fluorescein new indocyanine green dye IR820 (termed IT-CSTNPs) was designed and combined with a near-infrared (NIR) laser to realize its photothermal conversion. The IT-CSTNPs were prepared using a two-step synthesis method and comprised a thermosensitive shell and a biodegradable core. IR820 and TMZ were entrapped in the shell and the core, respectively. Dynamic light scattering results demonstrated that the average hydrodynamic size of the IT-CSTNPs was 196.4±3.1 nm with a ζ potential of −24.9±1.3 mV. The encapsulation efficiencies of TMZ and IR820 were 6.1 and 16.6%, respectively. Temperature increase curves under NIR laser irradiation indicated that the IT-CSTNPs exhibited the desired photothermal conversion efficiency. The in vitro drug release curves revealed a suitable release capability of IT-CSTNP under physiological conditions, whereas NIR laser irradiation accelerated the drug release. Inverted fluorescence microscopy and flow cytometry results revealed that the uptake of IT-CSTNPs by A375 melanoma cells occurred in a concentration-dependent manner. Confocal laser scanning microscopy results indicated that IT-CSTNPs entered tumour cells via endocytosis and were located in intercellular lysosomes. In summary, the present study explored the photothermal conversion capability, cellular uptake, and intracellular localization of IT-CSTNPs.
Collapse
Affiliation(s)
- Xiaoyang Hou
- Department of Dermatology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu 221002, P.R. China
| | - Yanyu Pang
- Department of Dermatology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu 221002, P.R. China
| | - Xinxin Li
- Department of Dermatology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu 221002, P.R. China
| | - Chunsheng Yang
- Department of Dermatology, The Affiliated Huai'an Hospital of Xuzhou Medical University, The Second People's Hospital of Huai'an, Huai'an, Jiangsu 223002, P.R. China
| | - Wenlou Liu
- Department of Dermatology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu 221002, P.R. China
| | - Guan Jiang
- Department of Dermatology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu 221002, P.R. China
| | - Yanqun Liu
- Department of Dermatology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu 221002, P.R. China
| |
Collapse
|
6
|
Wen Z, Liu F, Chen Q, Xu Y, Li H, Sun S. Recent development in biodegradable nanovehicle delivery system-assisted immunotherapy. Biomater Sci 2019; 7:4414-4443. [DOI: 10.1039/c9bm00961b] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A schematic illustration of BNDS biodegradation and release antigen delivery for assisting immunotherapy.
Collapse
Affiliation(s)
- Zhenfu Wen
- Shaanxi Key Laboratory of Natural Products & Chemical Biology
- College of Chemistry & Pharmacy
- Northwest A&F University
- Yangling
- P. R. China
| | - Fengyu Liu
- State Key Laboratory of Fine Chemicals
- School of Chemistry
- Dalian University of Technology
- Ganjingzi District
- P. R. China
| | | | - Yongqian Xu
- Shaanxi Key Laboratory of Natural Products & Chemical Biology
- College of Chemistry & Pharmacy
- Northwest A&F University
- Yangling
- P. R. China
| | - Hongjuan Li
- Shaanxi Key Laboratory of Natural Products & Chemical Biology
- College of Chemistry & Pharmacy
- Northwest A&F University
- Yangling
- P. R. China
| | - Shiguo Sun
- Shaanxi Key Laboratory of Natural Products & Chemical Biology
- College of Chemistry & Pharmacy
- Northwest A&F University
- Yangling
- P. R. China
| |
Collapse
|
7
|
Multifunctional Liposome: A Bright AIEgen-Lipid Conjugate with Strong Photosensitization. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201809641] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
|
8
|
Cai X, Mao D, Wang C, Kong D, Cheng X, Liu B. Multifunctional Liposome: A Bright AIEgen-Lipid Conjugate with Strong Photosensitization. Angew Chem Int Ed Engl 2018; 57:16396-16400. [DOI: 10.1002/anie.201809641] [Citation(s) in RCA: 88] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Revised: 10/03/2018] [Indexed: 01/18/2023]
Affiliation(s)
- Xiaolei Cai
- Department of Chemical and Biomolecular Engineering; National University of Singapore; 4 Engineering Drive 4 117585 Singapore Singapore
| | - Duo Mao
- Department of Chemical and Biomolecular Engineering; National University of Singapore; 4 Engineering Drive 4 117585 Singapore Singapore
| | - Can Wang
- Department of Chemical and Biomolecular Engineering; National University of Singapore; 4 Engineering Drive 4 117585 Singapore Singapore
| | - Deling Kong
- State Key Laboratory of Medicinal Chemical Biology; Key Laboratory of Bioactive Materials; Ministry of Education and College of Life Sciences; Nankai University; Tianjin 300071 China
| | - Xiamin Cheng
- Department of Chemical and Biomolecular Engineering; National University of Singapore; 4 Engineering Drive 4 117585 Singapore Singapore
- Institute of Advanced Synthesis; School of Chemistry and Molecular Engineering; Jiangsu National Synergetic Innovation Centre for Advanced Materials; Nanjing Tech University; Nanjing 211816 China
| | - Bin Liu
- Department of Chemical and Biomolecular Engineering; National University of Singapore; 4 Engineering Drive 4 117585 Singapore Singapore
| |
Collapse
|
9
|
Linsley CS, Zhu M, Quach VY, Wu BM. Preparation of photothermal palmitic acid/cholesterol liposomes. J Biomed Mater Res B Appl Biomater 2018; 107:1384-1392. [PMID: 30281908 DOI: 10.1002/jbm.b.34230] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 08/09/2018] [Accepted: 08/18/2018] [Indexed: 01/28/2023]
Abstract
Indocyanine green (ICG) is the only FDA-approved near-infrared dye and it is currently used clinically for diagnostic applications. However, there is significant interest in using ICG for triggered drug delivery applications and heat ablation therapy. Unfortunately, free ICG has a short half-life in vivo and is rapidly cleared from circulation. Liposomes have been frequently used to improve ICG's stability and overall time of effectiveness in vivo, but they have limited stability due to the susceptibility of phospholipids to hydrolysis and oxidation. In this study, nonphospholipid liposomes were used to encapsulate ICG, and the resulting liposomes were characterized for size, encapsulation efficiency, stability, and photothermal response. Using the thin-film hydration method, an ICG encapsulation efficiency of 54% was achieved, and the liposomes were stable for up to 12 weeks, with detectable levels of encapsulated ICG up to week 4. Additionally, ICG-loaded liposomes were capable of rapidly producing a significant photothermal response upon exposure to near-infrared light, and this photothermal response was able to induce changes in the mechanical properties of thermally responsive hydrogels. © 2018 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater 107B: 1384-1392, 2019.
Collapse
Affiliation(s)
- Chase S Linsley
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, California 90095, USA
| | - Max Zhu
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, California 90095, USA
| | - Viola Y Quach
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, California 90095, USA
| | - Benjamin M Wu
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, California 90095, USA.,Division of Advanced Prosthodontics and the Weintraub Center for Reconstructive Biotechnology, University of California, Los Angeles, Los Angeles, California 90095, USA
| |
Collapse
|
10
|
Bhavane R, Starosolski Z, Stupin I, Ghaghada KB, Annapragada A. NIR-II fluorescence imaging using indocyanine green nanoparticles. Sci Rep 2018; 8:14455. [PMID: 30262808 PMCID: PMC6160486 DOI: 10.1038/s41598-018-32754-y] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 09/12/2018] [Indexed: 01/11/2023] Open
Abstract
Fluorescence imaging in the second near-infrared window (NIR-II) holds promise for real-time deep tissue imaging. In this work, we investigated the NIR-II fluorescence properties of a liposomal formulation of indocyanine green (ICG), a FDA-approved dye that was recently shown to exhibit NIR-II fluorescence. Fluorescence spectra of liposomal-ICG were collected in phosphate-buffered saline (PBS) and plasma. Imaging studies in an Intralipid® phantom were performed to determine penetration depth. In vivo imaging studies were performed to test real-time visualization of vascular structures in the hind limb and intracranial regions. Free ICG, NIR-I imaging, and cross-sectional imaging modalities (MRI and CT) were used as comparators. Fluorescence spectra demonstrated the strong NIR-II fluorescence of liposomal-ICG, similar to free ICG in plasma. In vitro studies demonstrated superior performance of liposomal-ICG over free ICG for NIR-II imaging of deep (≥4 mm) vascular mimicking structures. In vivo, NIR-II fluorescence imaging using liposomal-ICG resulted in significantly (p < 0.05) higher contrast-to-noise ratio compared to free ICG for extended periods of time, allowing visualization of hind limb and intracranial vasculature for up to 4 hours post-injection. In vivo comparisons demonstrated higher vessel conspicuity with liposomal-ICG-enhanced NIR-II imaging compared to NIR-I imaging.
Collapse
Affiliation(s)
- Rohan Bhavane
- Department of Pediatric Radiology, Texas Children's Hospital, Houston, TX, 77030, USA
| | - Zbigniew Starosolski
- Department of Pediatric Radiology, Texas Children's Hospital, Houston, TX, 77030, USA
| | - Igor Stupin
- Department of Pediatric Radiology, Texas Children's Hospital, Houston, TX, 77030, USA
| | - Ketan B Ghaghada
- Department of Pediatric Radiology, Texas Children's Hospital, Houston, TX, 77030, USA.
| | - Ananth Annapragada
- Department of Pediatric Radiology, Texas Children's Hospital, Houston, TX, 77030, USA
| |
Collapse
|
11
|
Ubale RV, Shastri PN, Oettinger C, D’Souza MJ. Pulmonary Administration of Microparticulate Antisense Oligonucleotide (ASO) for the Treatment of Lung Inflammation. AAPS PharmSciTech 2018; 19:1908-1919. [PMID: 29663290 DOI: 10.1208/s12249-018-1002-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Accepted: 03/19/2018] [Indexed: 01/01/2023] Open
Abstract
Targeted delivery to the lung for controlling lung inflammation is an area that we have explored in this study. The purpose was to use microparticles containing an antisense oligonucleotide (ASO) to NF-κB to inhibit the production of proinflammatory cytokines. Microparticles were prepared using the B-290 Buchi Spray Dryer using albumin as the microparticle matrix. Physicochemical characterization of the microparticles showed the size ranged from 2 to 5 μm, the charge was - 38.4 mV, and they had a sustained release profile over 72 h. Uptake of FITC-labeled ASO-loaded microparticles versus FITC-labeled ASO solution by RAW264.7 murine macrophage cells was 5-10-fold higher. After pulmonary delivery of microparticles to Sprague-Dawley rats, the microparticles were uniformly distributed throughout the lung and were retained in the lungs until 48 h. Serum cytokine (TNF-α and IL-1β) levels of rats after induction of lung inflammation by lipopolysaccharide were measured until 72 h. Animals receiving ASO-loaded microparticles were successful in significantly controlling lung inflammation during this period as compared to animals receiving no treatment. This study was successful in proving that microparticulate ASO therapy was capable of controlling lung inflammation.
Collapse
|
12
|
Zhang J, Xing H, Lu Y. Translating molecular detections into a simple temperature test using a target-responsive smart thermometer. Chem Sci 2018; 9:3906-3910. [PMID: 29780521 PMCID: PMC5935027 DOI: 10.1039/c7sc05325h] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Accepted: 03/07/2018] [Indexed: 12/15/2022] Open
Abstract
While it has been well recognized that affordable and pocket-size devices play a major role in environmental monitoring, food safety and medical diagnostics, it often takes a tremendous amount of resources to develop such devices. Devices that have been developed are often dedicated devices that can detect only one or a few targets. To overcome these limitations, we herein report a novel target-responsive smart thermometer for translating molecular detection into a temperature test. The sensor system consists of a functional DNA-phospholipase A2 (PLA2) enzyme conjugate, a liposome-encapsulated NIR dye, and a thermometer interfaced with a NIR-laser device. The sensing principle is based on the target-induced release of PLA2 from the DNA-enzyme conjugate, which catalyzes the hydrolysis of liposome to release the NIR dye inside the liposome. Upon NIR-laser irradiation, the released dye can convert excitation energy into heat, producing a temperature increase in solution, which is detectable using a thermometer. Considering the low cost and facile incorporation of the system with suitable functional DNAs to recognize many targets, the system demonstrated here makes the thermometer an affordable and pocket-size meter for the detection and quantification of a wide range of targets.
Collapse
Affiliation(s)
- Jingjing Zhang
- Department of Chemistry , University of Illinois at Urbana-Champaign , Urbana , IL 61801 , USA .
| | - Hang Xing
- Department of Chemistry , University of Illinois at Urbana-Champaign , Urbana , IL 61801 , USA .
| | - Yi Lu
- Department of Chemistry , University of Illinois at Urbana-Champaign , Urbana , IL 61801 , USA .
| |
Collapse
|
13
|
Rideau E, Dimova R, Schwille P, Wurm FR, Landfester K. Liposomes and polymersomes: a comparative review towards cell mimicking. Chem Soc Rev 2018; 47:8572-8610. [DOI: 10.1039/c8cs00162f] [Citation(s) in RCA: 521] [Impact Index Per Article: 86.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Minimal cells: we compare and contrast liposomes and polymersomes for a bettera priorichoice and design of vesicles and try to understand the advantages and shortcomings associated with using one or the other in many different aspects (properties, synthesis, self-assembly, applications).
Collapse
Affiliation(s)
- Emeline Rideau
- Max Planck Institute for Polymer Research
- 55128 Mainz
- Germany
| | - Rumiana Dimova
- Max Planck Institute for Colloids and Interfaces
- Wissenschaftspark Potsdam-Golm
- 14476 Potsdam
- Germany
| | - Petra Schwille
- Max Planck Institute of Biochemistry
- 82152 Martinsried
- Germany
| | | | | |
Collapse
|
14
|
Yue C, Yang Y, Song J, Alfranca G, Zhang C, Zhang Q, Yin T, Pan F, de la Fuente JM, Cui D. Mitochondria-targeting near-infrared light-triggered thermosensitive liposomes for localized photothermal and photodynamic ablation of tumors combined with chemotherapy. NANOSCALE 2017; 9:11103-11118. [PMID: 28741634 DOI: 10.1039/c7nr02193c] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Lonidamine, an anticancer drug that acts on mitochondria, has poor water solubility. Mitochondria are the primary source of cellular reactive oxygen species (ROS), which are necessary for photodynamic therapy. Hence, a mitochondria-targeting drug delivery system loaded with Lonidamine and a ROS-produced photosensitizer could improve the bioavailability of Lonidamine and maximize photodynamic therapeutic efficiency. Here we report, for the first time, new IR-780 and Lonidamine encapsulated mitochondria-targeting thermosensitive liposomes (IL-TTSL). DSPE-PEG2000-NH2 was coupled with triphenylphosphine to form DSPE-PEG2K-TPP. The liposomes (IL-TTSL) were self-assembled from DPPC, DSPC, DSPE-PEG2K-TPP, cholesterol, IR-780 and Lonidamine. Coupled linker modified triphenylphosphine (TPP) is cationic and can selectively accumulate several hundred-fold within mitochondria. Once the liposomes are located inside mitochondria, 808 nm laser irradiation could trigger photosensitizer IR-780 to elevate the local temperature, which could be utilized in photothermal therapy and induce the release of Lonidamine from the thermosensitive liposomes. Meanwhile, IR-780 could release ROS for photodynamic therapy in mitochondria and increase photodynamic therapeutic efficiency. Our results showed that the surface modification of the liposomes with triphenylphosphine cations had good mitochondria-targeting ability. The liposomes exhibited good biocompatibility and all components of the empty liposomes were safe to be used in humans. Few reports were related to IR-780 being used in photodynamic therapy and we proved this function of IR-780. Overall, the stealth liposomes provide a promising new strategy to realize mitochondria-targeting thermosensitive chemo-, photodynamic and photothermal combination therapy with a single light source for lung cancer.
Collapse
Affiliation(s)
- Caixia Yue
- Institute of Nano Biomedicine and Engineering, Shanghai Engineering Center for Intelligent Diagnosis and Treatment Instrument, Department of Instrument Science & Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China.
| | | | | | | | | | | | | | | | | | | |
Collapse
|
15
|
Pang X, Wang J, Tan X, Guo F, Lei M, Ma M, Yu M, Tan F, Li N. Dual-Modal Imaging-Guided Theranostic Nanocarriers Based on Indocyanine Green and mTOR Inhibitor Rapamycin. ACS APPLIED MATERIALS & INTERFACES 2016; 8:13819-13829. [PMID: 27182890 DOI: 10.1021/acsami.6b04010] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The development of treatment protocols that resulted in a complete response to photothermal therapy (PTT) was usually hampered by uneven heat distribution and low effectiveness. Here, we reported an NIR fluorescence and photoacoustic dual-modal imaging-guided active targeted thermal sensitive liposomes (TSLs) based on the photothermal therapy agent Indocyanine green (ICG) and antiangiogenesis agent Rapamycin (RAPA) to realize enhanced therapeutic and diagnostic functions. As expected, the in vitro drug release studies exhibited the satisfactory result of drug released from the TSLs under hyperthermia conditions induced by NIR stimulation. The in vitro cellular studies confirmed that the FA-ICG/RAPA-TSLs plus NIR laser exhibited efficient drug accumulation and cytotoxicity in tumor cells and epithelial cells. After 24 h intravenous injection of FA-ICG/RAPA-TSLs, the margins of tumor and normal tissue were accurately identified via the in vivo NIR fluorescence and photoacoustic dual-modal imaging. In addition, FA-ICG/RAPA-TSLs combined with NIR irradiation treated tumor-bearing nude mice inhibited tumor growth to a great extent and possessed much lower side effects to normal organs. All detailed evidence suggested that the theranostic TSLs which were capable of enhancing the therapeutic index might be a suitable drug delivery system for dual-modal imaging-guided therapeutic tools for diagnostics as well as the treatment of tumors.
Collapse
Affiliation(s)
- Xiaojuan Pang
- Tianjin Key Laboratory of Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University , Tianjin 300072, People's Republic of China
| | - Jinping Wang
- Tianjin Key Laboratory of Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University , Tianjin 300072, People's Republic of China
| | - Xiaoxiao Tan
- Tianjin Key Laboratory of Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University , Tianjin 300072, People's Republic of China
| | - Fang Guo
- Tianjin Key Laboratory of Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University , Tianjin 300072, People's Republic of China
| | - Mingzhu Lei
- Tianjin Key Laboratory of Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University , Tianjin 300072, People's Republic of China
| | - Man Ma
- Tianjin Key Laboratory of Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University , Tianjin 300072, People's Republic of China
| | - Meng Yu
- Tianjin Key Laboratory of Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University , Tianjin 300072, People's Republic of China
| | - Fengping Tan
- Tianjin Key Laboratory of Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University , Tianjin 300072, People's Republic of China
| | - Nan Li
- Tianjin Key Laboratory of Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University , Tianjin 300072, People's Republic of China
| |
Collapse
|
16
|
Porcu EP, Salis A, Gavini E, Rassu G, Maestri M, Giunchedi P. Indocyanine green delivery systems for tumour detection and treatments. Biotechnol Adv 2016; 34:768-789. [PMID: 27090752 DOI: 10.1016/j.biotechadv.2016.04.001] [Citation(s) in RCA: 118] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2015] [Revised: 03/31/2016] [Accepted: 04/01/2016] [Indexed: 01/16/2023]
Abstract
Indocyanine green (ICG) is a cyanine compound that displays fluorescent properties in the near infrared region. This dye is employed for numerous indications but nowadays its major application field regards tumour diagnosis and treatments. Optical imaging by near infrared fluorescence provides news opportunities for oncologic surgery. The imaging of ICG can be useful for intraoperative identification of several solid tumours and metastases, and sentinel lymph node detection. In addition, ICG can be used as an agent for the destruction of malignant tissue, by virtue of the production of reactive oxygen species and/or induction of a hyperthermia effect under irradiation. Nevertheless, ICG shows several drawbacks, which limit its clinical application. Several formulative strategies have been studied to overcome these problems. The rationale of the development of ICG containing drug delivery systems is to enhance the in vivo stability and biodistribution profile of this dye, allowing tumour accumulation and resulting in better efficacy. In this review, ICG containing nano-sized carriers are classified based on their chemical composition and structure. In addition to nanosystems, different formulations including hydrogel, microsystems and others loaded with ICG will be illustrated. In particular, this report describes the preparation, in vitro characterization and in vivo application of ICG platforms for cancer imaging and treatment. The promising results of all systems confirm their clinical utility but further studies are required prior to evaluating the formulations in human trials.
Collapse
Affiliation(s)
- Elena P Porcu
- PhD in Experimental Medicine, Department of Diagnostic, Paediatric, Clinical and Surgical Science, Pavia, Italy
| | - Andrea Salis
- University of Sassari, Department of Chemistry and Pharmacy, Sassari, Italy
| | - Elisabetta Gavini
- University of Sassari, Department of Chemistry and Pharmacy, Sassari, Italy
| | - Giovanna Rassu
- University of Sassari, Department of Chemistry and Pharmacy, Sassari, Italy
| | | | - Paolo Giunchedi
- University of Sassari, Department of Chemistry and Pharmacy, Sassari, Italy.
| |
Collapse
|
17
|
Yan F, Wu H, Liu H, Deng Z, Liu H, Duan W, Liu X, Zheng H. Molecular imaging-guided photothermal/photodynamic therapy against tumor by iRGD-modified indocyanine green nanoparticles. J Control Release 2015; 224:217-228. [PMID: 26739551 DOI: 10.1016/j.jconrel.2015.12.050] [Citation(s) in RCA: 172] [Impact Index Per Article: 19.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Accepted: 12/26/2015] [Indexed: 10/22/2022]
Abstract
Multifunctional near-infrared (NIR) nanoparticles demonstrate great potential in tumor theranostic applications. To achieve the sensitive detection and effective phototherapy in the early stage of tumor genesis, it is highly desirable to improve the targeting of NIR theranostic agents to biomarkers and to enhance their accumulation in tumor. Here we report a novel targeted multifunctional theranostic nanoparticle, internalized RGD (iRGD)-modified indocyanine green (ICG) liposomes (iRGD-ICG-LPs), for molecular imaging-guided photothermal therapy (PTT) and photodynamic therapy (PDT) therapy against breast tumor. The iRGD peptides with high affinity to αvβ3 integrin and effective tumor-internalized property were firstly used to synthesize iRGD-PEG2000-DSPE lipopeptides, which were further utilized to fabricate the targeted ICG liposomes. The results indicated that iRGD-ICG-LPs exhibited excellent stability and could provide an accurate and sensitive detection of breast tumor through NIR fluorescence molecular imaging. We further employed this nanoparticle for tumor theranostic application, demonstrating significantly higher tumor accumulation and tumor inhibition efficacy through PTT/PDT effects. Histological analysis further revealed much more apoptotic cells, confirming the advantageous anti-tumor effect of iRGD-ICG-LPs over non-targeted ICG-LPs. Notably, the targeting therapy mediated by iRGD provides almost equivalent anti-tumor efficacy at a 12.5-fold lower drug dose than that by monoclonal antibody, and no tumor recurrence and obvious treatment-induced toxicity were observed in our study. Our study provides a promising strategy to realize the sensitive detection and effective treatment of tumors by integrating molecular imaging into PTT/PDT therapy.
Collapse
Affiliation(s)
- Fei Yan
- Department of Ultrasonography, The Third Affiliated Hospital of Southern Medical University (Academy of Orthopedics Guangdong Province), Guangzhou 510630, China; Paul C. Lauterbur Research Center for Biomedical Imaging, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Hao Wu
- Department of Ultrasonography, The Third Affiliated Hospital of Southern Medical University (Academy of Orthopedics Guangdong Province), Guangzhou 510630, China
| | - Hongmei Liu
- Department of Ultrasonography, The Third Affiliated Hospital of Southern Medical University (Academy of Orthopedics Guangdong Province), Guangzhou 510630, China.
| | - Zhiting Deng
- Paul C. Lauterbur Research Center for Biomedical Imaging, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Hong Liu
- The Department of Echocardiography, Clinical Center of Reproductive Medicine, First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Wanlu Duan
- Ultrasound Department, Guangzhou General Hospital, Guangzhou Command, Guangzhou 510630, China
| | - Xin Liu
- Department of Ultrasonography, The Third Affiliated Hospital of Southern Medical University (Academy of Orthopedics Guangdong Province), Guangzhou 510630, China
| | - Hairong Zheng
- Department of Ultrasonography, The Third Affiliated Hospital of Southern Medical University (Academy of Orthopedics Guangdong Province), Guangzhou 510630, China; Paul C. Lauterbur Research Center for Biomedical Imaging, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China.
| |
Collapse
|
18
|
Mukerji R, Schaal J, Li X, Bhattacharyya J, Asai D, Zalutsky MR, Chilkoti A, Liu W. Spatiotemporally photoradiation-controlled intratumoral depot for combination of brachytherapy and photodynamic therapy for solid tumor. Biomaterials 2015; 79:79-87. [PMID: 26702586 DOI: 10.1016/j.biomaterials.2015.11.064] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2015] [Revised: 11/09/2015] [Accepted: 11/29/2015] [Indexed: 10/22/2022]
Abstract
In an attempt to spatiotemporally control both tumor retention and the coverage of anticancer agents, we developed a photoradiation-controlled intratumoral depot (PRCITD) driven by convection enhanced delivery (CED). This intratumoral depot consists of recombinant elastin-like polypeptide (ELP) containing periodic cysteine residues and is conjugated with a photosensitizer, chlorin-e6 (Ce6) at the N-terminus of the ELP. We hypothesized that this cysteine-containing ELP (cELP) can be readily crosslinked through disulfide bonds upon exposure to oxidative agents, specifically the singlet oxygen produced during photodynamic stimulation. Upon intratumoral injection, CED drives the distribution of the soluble polypeptide freely throughout the tumor interstitium. Formation and retention of the depot was monitored using fluorescence molecular tomography imaging. When imaging shows that the polypeptide has distributed throughout the entire tumor, 660-nm light is applied externally at the tumor site. This photo-radiation wavelength excites Ce6 and generates reactive oxygen species (ROS) in the presence of oxygen. The ROS induce in situ disulfide crosslinking of the cysteine thiols, stabilizing the ELP biopolymer into a stable therapeutic depot. Our results demonstrate that this ELP design effectively forms a hydrogel both in vitro and in vivo. These depots exhibit high stability in subcutaneous tumor xenografts in nude mice and significantly improved intratumoral retention compared to controls without crosslinking, as seen by fluorescent imaging and iodine-125 radiotracer studies. The photodynamic therapy provided by the PRCITD was found to cause significant tumor inhibition in a Ce6 dose dependent manner. Additionally, the combination of PDT and intratumoral radionuclide therapy co-delivered by PRCITD provided a greater antitumor effect than either monotherapy alone. These results suggest that the PRCITD could provide a stable platform for delivering synergistic, anti-cancer drug depots.
Collapse
Affiliation(s)
- Ratul Mukerji
- Department of Biomedical Engineering, Duke University, Durham, NC, 27708, USA
| | - Jeffrey Schaal
- Department of Biomedical Engineering, Duke University, Durham, NC, 27708, USA
| | - Xinghai Li
- Department of Biomedical Engineering, Duke University, Durham, NC, 27708, USA
| | | | - Daisuke Asai
- Department of Microbiology, St. Marianna University School of Medicine, Kawasaki, Kanagawa Prefecture, Japan
| | | | - Ashutosh Chilkoti
- Department of Biomedical Engineering, Duke University, Durham, NC, 27708, USA
| | - Wenge Liu
- Department of Biomedical Engineering, Duke University, Durham, NC, 27708, USA.
| |
Collapse
|
19
|
Triggering Mechanisms of Thermosensitive Nanoparticles Under Hyperthermia Condition. J Pharm Sci 2015; 104:2414-28. [DOI: 10.1002/jps.24536] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2015] [Revised: 05/15/2015] [Accepted: 05/18/2015] [Indexed: 12/11/2022]
|
20
|
Rosca EV, Wright M, Gonitel R, Gedroyc W, Miller AD, Thanou M. Thermosensitive, near-infrared-labeled nanoparticles for topotecan delivery to tumors. Mol Pharm 2015; 12:1335-46. [PMID: 25826624 DOI: 10.1021/mp5002679] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Liposomal nanoparticles have proven to be versatile systems for drug delivery. However, the progress in clinic has been slower and less efficient than expected. This suggests a need for further development using carefully designed chemical components to improve usefulness under clinical conditions and maximize therapeutic effect. For cancer chemotherapy, PEGylated liposomes were the first nanomedicine to reach the market and have been used clinically for several years. Approaches toward targeted drug delivery using next generation "thermally triggered" nanoparticles are now in clinical trials. However, clinically tested thermosensitive liposomes (TSLs) lack the markers that allow tumor labeling and improved imaging for tissue specific applied hyperthermia. Here we describe the development of optically labeled TSLs for image guidance drug delivery and proof-of-concept results for their application in the treatment of murine xenograft tumors using the anticancer drug topotecan. These labeled TSLs also allow the simultaneous, real-time diagnostic imaging of nanoparticle biodistribution using a near-infrared (NIR; 750-950 nm) fluorophore coupled to a lipidic component of the lipid bilayer. When combined with multispectral fluorescence analysis, this allows for specific and high sensitivity tracking of the nanoparticles in vivo. The application of NIR fluorescence-labeled TSLs could have a transformative effect on future cancer chemotherapy.
Collapse
Affiliation(s)
- Elena V Rosca
- †Institute of Pharmaceutical Science, King's College London, London, U.K
| | - Michael Wright
- †Institute of Pharmaceutical Science, King's College London, London, U.K
| | - Roman Gonitel
- †Institute of Pharmaceutical Science, King's College London, London, U.K
| | - Wladyslaw Gedroyc
- §Department of Experimental Medicine, Imperial College London, London, U.K
| | - Andrew D Miller
- †Institute of Pharmaceutical Science, King's College London, London, U.K
| | - Maya Thanou
- †Institute of Pharmaceutical Science, King's College London, London, U.K
| |
Collapse
|
21
|
Zhu Z, Si T, Xu RX. Microencapsulation of indocyanine green for potential applications in image-guided drug delivery. LAB ON A CHIP 2015; 15:646-9. [PMID: 25450664 PMCID: PMC4332816 DOI: 10.1039/c4lc01032a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
We present a novel process to encapsulate indocyanine green (ICG) in liposomal droplets at high concentration for potential applications in image-guided drug delivery. The microencapsulation process follows two consecutive steps of droplet formation by liquid-driven coaxial flow focusing (LDCFF) and solvent removal by oil phase dewetting. These biocompatible lipid vesicles may have important applications in drug delivery and fluorescence imaging.
Collapse
Affiliation(s)
- Zhiqiang Zhu
- Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
- Department of Biomedical Engineering, The Ohio State University, Columbus, OH 43210, USA. Fax: 614-292-7301; Tel: 614-688-3635
| | - Ting Si
- Department of Modern Mechanics, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
- Department of Biomedical Engineering, The Ohio State University, Columbus, OH 43210, USA. Fax: 614-292-7301; Tel: 614-688-3635
| | - Ronald X. Xu
- Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
- Department of Biomedical Engineering, The Ohio State University, Columbus, OH 43210, USA. Fax: 614-292-7301; Tel: 614-688-3635
| |
Collapse
|
22
|
|
23
|
Shemesh CS, Moshkelani D, Zhang H. Thermosensitive liposome formulated indocyanine green for near-infrared triggered photodynamic therapy: in vivo evaluation for triple-negative breast cancer. Pharm Res 2014; 32:1604-14. [PMID: 25407543 DOI: 10.1007/s11095-014-1560-7] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2014] [Accepted: 10/27/2014] [Indexed: 01/22/2023]
Abstract
PURPOSE The focus of this research was to formulate and evaluate a theranostic liposomal delivery system using indocyanine green (ICG) as a photosensitizer, triggered by near infrared (NIR) irradiation, for in vivo photodynamic therapy (PDT) of breast cancer. METHODS Cytotoxicity of PDT using liposomal ICG (LPICG) as well as free ICG (FRICG) was evaluated in the human MDA-MB-468 triple-negative breast cancer (TNBC) cell line. NIR irradiation-induced increase in temperature was also monitored both in vitro and in vivo. Quantitative pharmacokinetic profile and fluorescence imaging-based biodistribution patterns of both formulations were obtained using the human TNBC xenograft model in nude mice. Overall safety, tolerability, and long-term anti-tumor efficacy of LPICG versus FRICG-mediated PDT was evaluated. RESULTS Significant loss of cell viability was achieved following photoactivation of LPICG via NIR irradiation. Temperatures of irradiated LPICG increased with increasing concentrations of loaded ICG, which correlated with significant rise of temperature compared to PBS in vivo (p < 0.01). Pharmacokinetic assessment revealed a significant increase in systemic distribution and circulation half-life of LPICG, and NIR fluorescence imaging demonstrated enhanced accumulation of liposomes within the tumor region. Tumor growth in mice treated with LPICG followed by NIR irradiation was significantly reduced compared to those treated with FRICG, saline, and irradiation alone. CONCLUSIONS In vivo photodynamic therapy using LPICG demonstrated targeted biodistribution and superior anti-tumor efficacy in a human TNBC xenograft model compared to FRICG. In addition, this unique delivery system exhibited a promising role in NIR image-guided delivery and real-time biodistribution monitoring of formulation with ICG serving as the fluorescent probe.
Collapse
Affiliation(s)
- Colby S Shemesh
- Drug Delivery Laboratory, Department of Pharmaceutical Sciences College of Pharmacy, Mercer University, 3001 Mercer University Drive, Atlanta, Georgia, 30341, USA
| | | | | |
Collapse
|
24
|
Optimized thermosensitive liposomes for selective doxorubicin delivery: Formulation development, quality analysis and bioactivity proof. Colloids Surf B Biointerfaces 2014; 121:248-56. [DOI: 10.1016/j.colsurfb.2014.02.028] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2013] [Revised: 01/26/2014] [Accepted: 02/17/2014] [Indexed: 02/07/2023]
|
25
|
Indocyanine green loaded liposome nanocarriers for photodynamic therapy using human triple negative breast cancer cells. Photodiagnosis Photodyn Ther 2014; 11:193-203. [DOI: 10.1016/j.pdpdt.2014.02.001] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2013] [Revised: 02/06/2014] [Accepted: 02/08/2014] [Indexed: 12/28/2022]
|
26
|
|
27
|
Yi X, Wang F, Qin W, Yang X, Yuan J. Near-infrared fluorescent probes in cancer imaging and therapy: an emerging field. Int J Nanomedicine 2014; 9:1347-65. [PMID: 24648733 PMCID: PMC3956734 DOI: 10.2147/ijn.s60206] [Citation(s) in RCA: 153] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Near-infrared fluorescence (NIRF) imaging is an attractive modality for early cancer detection with high sensitivity and multi-detection capability. Due to convenient modification by conjugating with moieties of interests, NIRF probes are ideal candidates for cancer targeted imaging. Additionally, the combinatory application of NIRF imaging and other imaging modalities that can delineate anatomical structures extends fluorometric determination of biomedical information. Moreover, nanoparticles loaded with NIRF dyes and anticancer agents contribute to the synergistic management of cancer, which integrates the advantage of imaging and therapeutic functions to achieve the ultimate goal of simultaneous diagnosis and treatment. Appropriate probe design with targeting moieties can retain the original properties of NIRF and pharmacokinetics. In recent years, great efforts have been made to develop new NIRF probes with better photostability and strong fluorescence emission, leading to the discovery of numerous novel NIRF probes with fine photophysical properties. Some of these probes exhibit tumoricidal activities upon light radiation, which holds great promise in photothermal therapy, photodynamic therapy, and photoimmunotherapy. This review aims to provide a timely and concise update on emerging NIRF dyes and multifunctional agents. Their potential uses as agents for cancer specific imaging, lymph node mapping, and therapeutics are included. Recent advances of NIRF dyes in clinical use are also summarized.
Collapse
Affiliation(s)
- Xiaomin Yi
- Department of Urology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, People's Republic of China
| | - Fuli Wang
- Department of Urology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, People's Republic of China
| | - Weijun Qin
- Department of Urology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, People's Republic of China
| | - Xiaojian Yang
- Department of Urology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, People's Republic of China
| | - Jianlin Yuan
- Department of Urology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, People's Republic of China
| |
Collapse
|
28
|
Paul S, Nahire R, Mallik S, Sarkar K. Encapsulated microbubbles and echogenic liposomes for contrast ultrasound imaging and targeted drug delivery. COMPUTATIONAL MECHANICS 2014; 53:413-435. [PMID: 26097272 PMCID: PMC4470369 DOI: 10.1007/s00466-013-0962-4] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Micron- to nanometer-sized ultrasound agents, like encapsulated microbubbles and echogenic liposomes, are being developed for diagnostic imaging and ultrasound mediated drug/gene delivery. This review provides an overview of the current state of the art of the mathematical models of the acoustic behavior of ultrasound contrast microbubbles. We also present a review of the in vitro experimental characterization of the acoustic properties of microbubble based contrast agents undertaken in our laboratory. The hierarchical two-pronged approach of modeling contrast agents we developed is demonstrated for a lipid coated (Sonazoid™) and a polymer shelled (poly D-L-lactic acid) contrast microbubbles. The acoustic and drug release properties of the newly developed echogenic liposomes are discussed for their use as simultaneous imaging and drug/gene delivery agents. Although echogenicity is conclusively demonstrated in experiments, its physical mechanisms remain uncertain. Addressing questions raised here will accelerate further development and eventual clinical approval of these novel technologies.
Collapse
Affiliation(s)
- Shirshendu Paul
- Department of Mechanical Engineering, University of Delaware, Newark DE 19716, USA
| | - Rahul Nahire
- Department of Pharmaceutical Sciences, North Dakota State University, Fargo ND 58108, USA
| | - Sanku Mallik
- Department of Pharmaceutical Sciences, North Dakota State University, Fargo ND 58108, USA
| | - Kausik Sarkar
- Department of Mechanical and Aerospace Engineering, The George Washington University, Washington, DC 20052, USA
| |
Collapse
|
29
|
Kraft JC, Ho RJY. Interactions of indocyanine green and lipid in enhancing near-infrared fluorescence properties: the basis for near-infrared imaging in vivo. Biochemistry 2014; 53:1275-83. [PMID: 24512123 PMCID: PMC3985908 DOI: 10.1021/bi500021j] [Citation(s) in RCA: 120] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
![]()
Indocyanine green (ICG) is a near-infrared
(NIR) contrast agent
commonly used for in vivo cardiovascular and eye
imaging. For medical diagnosis, ICG is limited by its aqueous instability,
concentration-dependent aggregation, and rapid degradation. To overcome
these limitations, scientists have formulated ICG in various liposomes,
which are spherical lipid membrane vesicles with an aqueous core.
Some encapsulate ICG, while others mix it with liposomes. There is
no clear understanding of lipid–ICG interactions. Therefore,
we investigated lipid–ICG interactions by fluorescence and
photon correlation spectroscopy. These data were used to design stable
and maximally fluorescent liposomal ICG nanoparticles for NIR optical
imaging of the lymphatic system. We found that ICG binds to and is
incorporated completely and stably into the lipid membrane. At a lipid:ICG
molar ratio of 250:1, the maximal fluorescence intensity was detected.
ICG incorporated into liposomes enhanced the fluorescence intensity
that could be detected across 1.5 cm of muscle tissue, while free
ICG only allowed 0.5 cm detection. When administered subcutaneously
in mice, lipid-bound ICG in liposomes exhibited a higher intensity,
NIR image resolution, and enhanced lymph node and lymphatic vessel
visualization. It also reduced the level of fluorescence quenching
due to light exposure and degradation in storage. Lipid-bound ICG
could provide additional medical diagnostic value with NIR optical
imaging for early intervention in cases of lymphatic abnormalities.
Collapse
Affiliation(s)
- John C Kraft
- Department of Pharmaceutics, University of Washington , Seattle, Washington 98195, United States
| | | |
Collapse
|
30
|
Choe SW, Terman DS, Rivers AE, Rivera J, Lottenberg R, Sorg BS. Drug-loaded sickle cells programmed ex vivo for delayed hemolysis target hypoxic tumor microvessels and augment tumor drug delivery. J Control Release 2013; 171:184-92. [PMID: 23871960 DOI: 10.1016/j.jconrel.2013.07.008] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2013] [Revised: 06/27/2013] [Accepted: 07/02/2013] [Indexed: 12/22/2022]
Abstract
Selective drug delivery to hypoxic tumor niches remains a significant therapeutic challenge that calls for new conceptual approaches. Sickle red blood cells (SSRBCs) have shown an ability to target such hypoxic niches and induce tumoricidal effects when used together with exogenous pro-oxidants. Here we determine whether the delivery of a model therapeutic encapsulated in murine SSRBCs can be enhanced by ex vivo photosensitization under conditions that delay autohemolysis to a time that coincides with maximal localization of SSRBCs in a hypoxic tumor. Hyperspectral imaging of 4T1 carcinomas shows oxygen saturation levels <10% in a large fraction (commonly 50% or more) of the tumor. Using video microscopy of dorsal skin window chambers implanted with 4T1 tumors, we demonstrate that allogeneic SSRBCs, but not normal RBCs (nRBCs), selectively accumulate in hypoxic 4T1 tumors between 12 and 24h after systemic administration. We further show that ex vivo photo-oxidation can program SSRBCs to postpone hemolysis/release of a model therapeutic to a point that coincides with their maximum sequestration in hypoxic tumor microvessels. Under these conditions, drug-loaded photosensitized SSRBCs show a 3-4 fold greater drug delivery to tumors compared to non-photosensitized SSRBCs, drug-loaded photosensitized nRBCs, and free drug. These results demonstrate that photo-oxidized SSRBCs, but not photo-oxidized nRBCs, sequester and hemolyze in hypoxic tumors and release substantially more drug than photo-oxidized nRBCs and non-photo-oxidized SSRBCs. Photo-oxidation of drug-loaded SSRBCs thus appears to exploit the unique tumor targeting and carrier properties of SSRBCs to optimize drug delivery to hypoxic tumors. Such programmed and drug-loaded SSRBCs therefore represent a novel and useful tool for augmenting drug delivery to hypoxic solid tumors.
Collapse
Affiliation(s)
- Se-woon Choe
- Gumi Electronics & Information Technology Research Institute, Gumi, Republic of Korea
| | | | | | | | | | | |
Collapse
|
31
|
Nahire R, Haldar MK, Paul S, Mergoum A, Ambre AH, Katti KS, Gange KN, Srivastava DK, Sarkar K, Mallik S. Polymer-coated echogenic lipid nanoparticles with dual release triggers. Biomacromolecules 2013; 14:841-53. [PMID: 23394107 DOI: 10.1021/bm301894z] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Although lipid nanoparticles are promising drug delivery vehicles, passive release of encapsulated contents at the target site is often slow. Herein, we report contents release from targeted, polymer-coated, echogenic lipid nanoparticles in the cell cytoplasm by redox trigger and simultaneously enhanced by diagnostic frequency ultrasound. The lipid nanoparticles were polymerized on the external leaflet using a disulfide cross-linker. In the presence of cytosolic concentrations of glutathione, the lipid nanoparticles released 76% of encapsulated contents. Plasma concentrations of glutathione failed to release the encapsulated contents. Application of 3 MHz ultrasound for 2 min simultaneously with the reducing agent enhanced the release to 96%. Folic acid conjugated, doxorubicin-loaded nanoparticles showed enhanced uptake and higher cytotoxicity in cancer cells overexpressing the folate receptor (compared to the control). With further developments, these lipid nanoparticles have the potential to be used as multimodal nanocarriers for simultaneous targeted drug delivery and ultrasound imaging.
Collapse
Affiliation(s)
- Rahul Nahire
- Departments of Pharmaceutical Sciences, North Dakota State University, Fargo, ND 58108, USA
| | | | | | | | | | | | | | | | | | | |
Collapse
|
32
|
Gustafson TP, Dergunov SA, Akers WJ, Cao Q, Magalotti S, Achilefu S, Pinkhassik E, Berezin MY. BLOOD TRIGGERED RAPID RELEASE POROUS NANOCAPSULES. RSC Adv 2013; 3:5547-5555. [PMID: 23606942 PMCID: PMC3627417 DOI: 10.1039/c3ra22693j] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Rapid-release drug delivery systems present a new paradigm in emergency care treatments. Such systems combine a long shelf life with the ability to provide a significant dose of the drug to the bloodstream in the shortest period of time. Until now, development of delivery formulations has concentrated on slow release systems to ensure a steady concentration of the drug. To address the need for quick release system, we created hollow polyacrylate nanocapsules with nanometer-thin porous walls. Burst release occurs upon interaction with blood components that leads to escape of the cargo. The likely mechanism of release involves a conformational change of the polymer shell caused by binding albumin. To demonstrate this concept, a near-infrared fluorescent dye indocyanine green (ICG) was incorporated inside the nanocapsules. ICG-loaded nanocapsules demonstrated remarkable shelf life in aqueous buffers with no release of ICG for twelve months. Rapid release of the dye was demonstrated first in vitro using albumin solution and serum. SEM and light scattering analysis demonstrated the retention of the nanocapsule architecture after the release of the dye upon contact with albumin. In vivo studies using fluorescence lifetime imaging confirmed quick discharge of ICG from the nanocapsules following intravenous injection.
Collapse
Affiliation(s)
- Tiffany P Gustafson
- Department of Radiology, Washington University School of Medicine, St. Louis, MO 63110
| | | | | | | | | | | | | | | |
Collapse
|