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Kato T, Yamashita H, Misawa T, Nishida K, Kurihara M, Tanaka M, Demizu Y, Oba M. Plasmid DNA delivery by arginine-rich cell-penetrating peptides containing unnatural amino acids. Bioorg Med Chem 2016; 24:2681-7. [PMID: 27132868 DOI: 10.1016/j.bmc.2016.04.031] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Revised: 04/13/2016] [Accepted: 04/16/2016] [Indexed: 10/21/2022]
Abstract
Cell-penetrating peptides (CPPs) have been developed as drug, protein, and gene delivery tools. In the present study, arginine (Arg)-rich CPPs containing unnatural amino acids were designed to deliver plasmid DNA (pDNA). The transfection ability of one of the Arg-rich CPPs examined here was more effective than that of the Arg nonapeptide, which is the most frequently used CPP. The transfection efficiencies of Arg-rich CPPs increased with longer post-incubation times and were significantly higher at 48-h and 72-h post-incubation than that of the commercially available transfection reagent TurboFect. These Arg-rich CPPs were complexed with pDNA for a long time in cells and effectively escaped from the late endosomes/lysosomes into the cytoplasm. These results will be helpful for designing novel CPPs for pDNA delivery.
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Affiliation(s)
- Takuma Kato
- Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Hiroko Yamashita
- Division of Organic Chemistry, National Institute of Health Sciences, Setagaya, Tokyo 158-8501, Japan; Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, Yokohama 226-8501, Japan
| | - Takashi Misawa
- Division of Organic Chemistry, National Institute of Health Sciences, Setagaya, Tokyo 158-8501, Japan
| | - Koyo Nishida
- Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Masaaki Kurihara
- Division of Organic Chemistry, National Institute of Health Sciences, Setagaya, Tokyo 158-8501, Japan; Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, Yokohama 226-8501, Japan
| | - Masakazu Tanaka
- Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Yosuke Demizu
- Division of Organic Chemistry, National Institute of Health Sciences, Setagaya, Tokyo 158-8501, Japan.
| | - Makoto Oba
- Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan.
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52
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Florinas S, Liu M, Fleming R, Van Vlerken-Ysla L, Ayriss J, Gilbreth R, Dimasi N, Gao C, Wu H, Xu ZQ, Chen S, Dirisala A, Kataoka K, Cabral H, Christie RJ. A Nanoparticle Platform To Evaluate Bioconjugation and Receptor-Mediated Cell Uptake Using Cross-Linked Polyion Complex Micelles Bearing Antibody Fragments. Biomacromolecules 2016; 17:1818-33. [PMID: 27007881 DOI: 10.1021/acs.biomac.6b00239] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Targeted nanomedicines are a promising technology for treatment of disease; however, preparation and characterization of well-defined protein-nanoparticle systems remain challenging. Here, we describe a platform technology to prepare antibody binding fragment (Fab)-bearing nanoparticles and an accompanying real-time cell-based assay to determine their cellular uptake compared to monoclonal antibodies (mAbs) and Fabs. The nanoparticle platform was composed of core-cross-linked polyion complex (PIC) micelles prepared from azide-functionalized PEG-b-poly(amino acids), that is, azido-PEG-b-poly(l-lysine) [N3-PEG-b-PLL] and azido-PEG-b-poly(aspartic acid) [N3-PEG-b-PAsp]. These PIC micelles were 30 nm in size and contained approximately 10 polymers per construct. Fabs were derived from an antibody binding the EphA2 receptor expressed on cancer cells and further engineered to contain a reactive cysteine for site-specific attachment and a cleavable His tag for purification from cell culture expression systems. Azide-functionalized micelles and thiol-containing Fab were linked using a heterobifunctional cross-linker (FPM-PEG4-DBCO) that contained a fluorophenyl-maleimide for stable conjugation to Fabs thiols and a strained alkyne (DBCO) group for coupling to micelle azide groups. Analysis of Fab-PIC micelle conjugates by fluorescence correlation spectroscopy, size exclusion chromatography, and UV-vis absorbance determined that each nanoparticle contained 2-3 Fabs. Evaluation of cellular uptake in receptor positive cancer cells by real-time fluorescence microscopy revealed that targeted Fab-PIC micelles achieved higher cell uptake than mAbs and Fabs, demonstrating the utility of this approach to identify targeted nanoparticle constructs with unique cellular internalization properties.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Ze-Qi Xu
- SynChem, Inc., Elk Grove Village, Illinois 60007, United States
| | | | | | - Kazunori Kataoka
- Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.,The Innovation Center of Nanomedicine, 66-20 Horikawa-cho, Saiwai-ku, Kawasaki 212-0013, Japan
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53
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Tockary TA, Osada K, Motoda Y, Hiki S, Chen Q, Takeda KM, Dirisala A, Osawa S, Kataoka K. Rod-to-Globule Transition of pDNA/PEG-Poly(l-Lysine) Polyplex Micelles Induced by a Collapsed Balance Between DNA Rigidity and PEG Crowdedness. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2016; 12:1193-1200. [PMID: 26426541 DOI: 10.1002/smll.201501815] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2015] [Revised: 08/07/2015] [Indexed: 06/05/2023]
Abstract
The role of poly(ethylene-glycol) (PEG) in rod-shaped polyplex micelle structures, having a characteristic core of folded plasmid DNA (pDNA) and a shell of tethered PEG chains, is investigated using PEG-detachable polyplex micelles. Rod shapes undergo change to compacted globule shapes by removal of PEG from polyplex micelles prepared from block copolymer with acid-labile linkage between PEG and poly(l-lysine) (PLys) through exposure to acidic milieu. This structural change supports the previous investigation on the rod shapes that PEG shell prevents the DNA structure from being globule shaped as the most favored structure in minimizing surface area. Noteworthy, despite the PEG is continuously depleted, the structural change does not occur in gradual shortening manner but the rod shapes keep their length unchanged and abruptly transform into globule shapes. Analysis of PEG density reveals the transition occurred when tethered PEG of rod shapes has decreased to a critical crowdedness, i.e., discontacted with neighboring PEG, which eventually illuminates another contribution, rigidity of DNA packaged as bundle in the rod shapes, in addition to the steric repulsion of PEG, in sustaining rod shapes. This investigation affirms significant role of PEG and also DNA rigidity as bundle in the formation of rod-shaped structures enduring the quest of compaction of charge-neutralized DNA in the polyplex micelles.
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Affiliation(s)
- Theofilus A Tockary
- Department of Materials Engineering, Graduate School of Engineering, The University of Tokyo 7-3-1 Hongo, Bunkyoku, Tokyo, 113-8656, Japan
| | - Kensuke Osada
- Department of Bioengineering, Graduate School of Engineering, The University of Tokyo 7-3-1 Hongo, Bunkyoku, Tokyo, 113-8656, Japan
- Japan Science and Technology Agency, PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan
| | - Yusuke Motoda
- Department of Materials Engineering, Graduate School of Engineering, The University of Tokyo 7-3-1 Hongo, Bunkyoku, Tokyo, 113-8656, Japan
| | - Shigehiro Hiki
- Department of Materials Engineering, Graduate School of Engineering, The University of Tokyo 7-3-1 Hongo, Bunkyoku, Tokyo, 113-8656, Japan
| | - Qixian Chen
- Department of Materials Engineering, Graduate School of Engineering, The University of Tokyo 7-3-1 Hongo, Bunkyoku, Tokyo, 113-8656, Japan
| | - Kaori M Takeda
- Department of Materials Engineering, Graduate School of Engineering, The University of Tokyo 7-3-1 Hongo, Bunkyoku, Tokyo, 113-8656, Japan
| | - Anjaneyulu Dirisala
- Department of Materials Engineering, Graduate School of Engineering, The University of Tokyo 7-3-1 Hongo, Bunkyoku, Tokyo, 113-8656, Japan
| | - Shigehito Osawa
- Department of Materials Engineering, Graduate School of Engineering, The University of Tokyo 7-3-1 Hongo, Bunkyoku, Tokyo, 113-8656, Japan
| | - Kazunori Kataoka
- Department of Materials Engineering, Graduate School of Engineering, The University of Tokyo 7-3-1 Hongo, Bunkyoku, Tokyo, 113-8656, Japan
- Department of Bioengineering, Graduate School of Engineering, The University of Tokyo 7-3-1 Hongo, Bunkyoku, Tokyo, 113-8656, Japan
- Division of Clinical Biotechnology, Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyoku, Tokyo, 113-8656, Japan
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54
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Osawa S, Osada K, Hiki S, Dirisala A, Ishii T, Kataoka K. Polyplex Micelles with Double-Protective Compartments of Hydrophilic Shell and Thermoswitchable Palisade of Poly(oxazoline)-Based Block Copolymers for Promoted Gene Transfection. Biomacromolecules 2015; 17:354-61. [PMID: 26682466 DOI: 10.1021/acs.biomac.5b01456] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Improving the stability of polyplex micelles under physiological conditions is a critical issue for promoting gene transfection efficiencies. To this end, hydrophobic palisade was installed between the inner core of packaged plasmid DNA (pDNA) and the hydrophilic shell of polyplex micelles using a triblock copolymer consisting of hydrophilic poly(2-ethyl-2-oxazoline), thermoswitchable amphiphilic poly(2-n-propyl-2-oxazoline) (PnPrOx) and cationic poly(L-lysine). The two-step preparation procedure, mixing the triblock copolymer with pDNA below the lower critical solution temperature (LCST) of PnPrOx, followed by incubation above the LCST to form a hydrophobic palisade of the collapsed PnPrOx segment, induced the formation of spatially aligned hydrophilic-hydrophobic double-protected polyplex micelles. The prepared polyplex micelles exhibited significant tolerance against attacks from nuclease and polyanions compared to those without hydrophobic palisades, thereby promoting gene transfection. These results corroborated the utility of amphiphilic poly(oxazoline) as a molecular thermal switch to improve the stability of polyplex gene carriers relevant for physiological applications.
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Affiliation(s)
| | - Kensuke Osada
- Japan Science and Technology Agency, PRESTO, Tokyo, Japan
| | | | | | | | - Kazunori Kataoka
- Division of Clinical Biotechnology, Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo , 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, Japan.,Innovation Center of NanoMedicine (iCONM), 3-25-14, Tonomachi, Kawasaki-ku, Kawasaki, 210-0821, Japan
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55
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Li Y, Osada K, Chen Q, Tockary TA, Dirisala A, Takeda KM, Uchida S, Nagata K, Itaka K, Kataoka K. Toroidal Packaging of pDNA into Block Ionomer Micelles Exerting Promoted in Vivo Gene Expression. Biomacromolecules 2015. [DOI: 10.1021/acs.biomac.5b00491] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Yanmin Li
- Department
of Bioengineering, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-8656, Japan
| | - Kensuke Osada
- Department
of Bioengineering, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-8656, Japan
- Japan Science and Technology Agency, PRESTO, 4-1-8 Honcho, Kawaguchi,
Saitama 332-0012, Japan
| | - Qixian Chen
- Department
of Materials Engineering, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-8656, Japan
| | - Theofilus A. Tockary
- Department
of Materials Engineering, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-8656, Japan
| | - Anjaneyulu Dirisala
- Department
of Materials Engineering, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-8656, Japan
| | - Kaori M. Takeda
- Department
of Materials Engineering, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-8656, Japan
| | - Satoshi Uchida
- Division
of Clinical Biotechnology, Center for Disease Biology and Integrative
Medicine, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, Japan
| | - Kazuya Nagata
- Division
of Clinical Biotechnology, Center for Disease Biology and Integrative
Medicine, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, Japan
| | - Keiji Itaka
- Division
of Clinical Biotechnology, Center for Disease Biology and Integrative
Medicine, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, Japan
| | - Kazunori Kataoka
- Department
of Bioengineering, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-8656, Japan
- Department
of Materials Engineering, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-8656, Japan
- Division
of Clinical Biotechnology, Center for Disease Biology and Integrative
Medicine, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, Japan
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56
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Williford JM, Santos JL, Shyam R, Mao HQ. Shape Control in Engineering of Polymeric Nanoparticles for Therapeutic Delivery. Biomater Sci 2015; 3:894-907. [PMID: 26146550 PMCID: PMC4486355 DOI: 10.1039/c5bm00006h] [Citation(s) in RCA: 78] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Nanoparticle-mediated delivery of therapeutics holds great potential for the diagnosis and treatment of a wide range of diseases. Significant advances have been made in the design of new polymeric nanoparticle carriers through modulation of their physical and chemical structures and biophysical properties. Nanoparticle shape has been increasingly proposed as an important attribute dictating their transport properties in biological milieu. In this review, we highlight three major methods for preparing polymeric nanoparticles that allow for exquisite control of particle shape. Special attention is given to various approaches to controlling nanoparticle shape by tuning copolymer structural parameters and assembly conditions. This review also provides comparisons of these methods in terms of their unique capabilities, materials choices, and specific delivery cargos, and summarizes the biological effects of nanoparticle shape on transport properties at the tissue and cellular levels.
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Affiliation(s)
- John-Michael Williford
- Department of Biomedical Engineering, Johns Hopkins School of Medicine, Baltimore, Maryland 21205
- Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland 21218
- Translational Tissue Engineering Center, Johns Hopkins School of Medicine, Baltimore, MD 21287
| | - Jose Luis Santos
- Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland 21218
- Translational Tissue Engineering Center, Johns Hopkins School of Medicine, Baltimore, MD 21287
- Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, MD 21218
| | - Rishab Shyam
- Department of Biomedical Engineering, Johns Hopkins School of Medicine, Baltimore, Maryland 21205
- Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland 21218
- Translational Tissue Engineering Center, Johns Hopkins School of Medicine, Baltimore, MD 21287
| | - Hai-Quan Mao
- Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland 21218
- Translational Tissue Engineering Center, Johns Hopkins School of Medicine, Baltimore, MD 21287
- Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, MD 21218
- Whitaker Biomedical Engineering Institute, Johns Hopkins University, Baltimore, MD 21218
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57
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Lächelt U, Wagner E. Nucleic Acid Therapeutics Using Polyplexes: A Journey of 50 Years (and Beyond). Chem Rev 2015; 115:11043-78. [DOI: 10.1021/cr5006793] [Citation(s) in RCA: 418] [Impact Index Per Article: 46.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Ulrich Lächelt
- Pharmaceutical
Biotechnology, Department of Pharmacy, Ludwig Maximilians Universität, 81377 Munich, Germany
- Nanosystems
Initiative
Munich (NIM), 80799 Munich, Germany
| | - Ernst Wagner
- Pharmaceutical
Biotechnology, Department of Pharmacy, Ludwig Maximilians Universität, 81377 Munich, Germany
- Nanosystems
Initiative
Munich (NIM), 80799 Munich, Germany
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58
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Liang Y, Peng X, Chen Y, Deng X, Gao W, Cao J, Chang J, Gu Z, He B. Chain length effect on drug delivery of chrysin modified mPEG–PCL micelles. RSC Adv 2015. [DOI: 10.1039/c5ra09650b] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The chain length effect of chrysin modified mPEG–PCL micelles with exciting doxorubicin loading capacity on drug delivery was investigated.
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Affiliation(s)
- Yan Liang
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu 610064
- China
| | - Xinyu Peng
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu 610064
- China
| | - Ying Chen
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu 610064
- China
| | - Xin Deng
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu 610064
- China
| | - Wenxia Gao
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu 610064
- China
- College of Chemistry & Materials Engineering
| | - Jun Cao
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu 610064
- China
| | - Jing Chang
- College of Marine Life Science
- Ocean University of China
- Qingdao 266003
- China
| | - Zhongwei Gu
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu 610064
- China
| | - Bin He
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu 610064
- China
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59
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Antibody fragment-conjugated polymeric micelles incorporating platinum drugs for targeted therapy of pancreatic cancer. Biomaterials 2014; 39:23-30. [PMID: 25477168 DOI: 10.1016/j.biomaterials.2014.10.069] [Citation(s) in RCA: 96] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2014] [Accepted: 10/20/2014] [Indexed: 12/21/2022]
Abstract
Antibody-mediated therapies including antibody-drug conjugates (ADCs) have shown much potential in cancer treatment by tumor-targeted delivery of cytotoxic drugs. However, there is a limitation of payloads that can be delivered by ADCs. Integration of antibodies to drug-loaded nanocarriers broadens the applicability of antibodies to a wide range of therapeutics. Herein, we developed antibody fragment-installed polymeric micelles via maleimide-thiol conjugation for selectively delivering platinum drugs to pancreatic tumors. By tailoring the surface density of maleimide on the micelles, one tissue factor (TF)-targeting Fab' was conjugated to each carrier. Fab'-installed platinum-loaded micelles exhibited more than 15-fold increased cellular binding within 1 h and rapid cellular internalization compared to non-targeted micelles, leading to superior in vitro cytotoxicity. In vivo, Fab'-installed micelles significantly suppressed the growth of pancreatic tumor xenografts for more than 40 days, outperforming non-targeted micelles and free drugs. These results indicate the potential of Fab'-installed polymeric micelles for efficient drug delivery to solid tumors.
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