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Xu H, Fu XY, Bao YX, Zhu SY, Xu Z, Song M, Qi YK, Li Z, Du SS. d-type peptides based fluorescent probes for "turn on" sensing of heparin. Bioorg Chem 2024; 147:107356. [PMID: 38604021 DOI: 10.1016/j.bioorg.2024.107356] [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: 02/14/2024] [Revised: 03/26/2024] [Accepted: 04/06/2024] [Indexed: 04/13/2024]
Abstract
Developing "turn on" fluorescent probes was desirable for the detection of the effective anticoagulant agent heparin in clinical applications. Through combining the aggregation induced emission (AIE) fluorogen tetraphenylethene (TPE) and heparin specific binding peptide AG73, the promising "turn on" fluorescent probe TPE-1 has been developed. Nevertheless, although TPE-1 could achieve the sensitive and selective detection of heparin, the low proteolytic stability and undesirable poor solubility may limit its widespread applications. In this study, seven TPE-1 derived fluorescent probes were rationally designed, efficiently synthesized and evaluated. The stability and water solubility were systematically estimated. Especially, to achieve real-time monitoring of proteolytic stability, the novel Abz/Dnp-based "turn on" probes that employ the internally quenched fluorescent (IQF) mechanism were designed and synthesized. Moreover, the detection ability of synthetic fluorescent probes for heparin were systematically evaluated. Importantly, the performance of d-type peptide fluorescent probe XH-6 indicated that d-type amino acid substitutions could significantly improve the proteolytic stability without compromising its ability of heparin sensing, and attaching solubilizing tag 2-(2-aminoethoxy) ethoxy) acid (AEEA) could greatly enhance the solubility. Collectively, this study not only established practical strategies to improve both the water solubility and proteolytic stability of "turn on" fluorescent probes for heparin sensing, but also provided valuable references for the subsequent development of enzymatic hydrolysis-resistant d-type peptides based fluorescent probes.
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Affiliation(s)
- Huan Xu
- State Key Laboratory Base for Eco-Chemical Engineering in College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Xing-Yan Fu
- School of Pharmacy, Qingdao University Medical College, Qingdao University, Qingdao 266073, China; Institute of Innovative Drugs, Qingdao University, Qingdao 266021, China
| | - Yong-Xin Bao
- Department of Anesthesiology, Qingdao Women and Children's Hospital, Qingdao University, Qingdao, Shandong 266034, China
| | - Shu-Ya Zhu
- State Key Laboratory Base for Eco-Chemical Engineering in College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Zi Xu
- State Key Laboratory Base for Eco-Chemical Engineering in College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Min Song
- State Key Laboratory Base for Eco-Chemical Engineering in College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Yun-Kun Qi
- School of Pharmacy, Qingdao University Medical College, Qingdao University, Qingdao 266073, China; Institute of Innovative Drugs, Qingdao University, Qingdao 266021, China.
| | - Zhibo Li
- State Key Laboratory Base for Eco-Chemical Engineering in College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
| | - Shan-Shan Du
- State Key Laboratory Base for Eco-Chemical Engineering in College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China; School of Pharmacy, Qingdao University Medical College, Qingdao University, Qingdao 266073, China; Institute of Innovative Drugs, Qingdao University, Qingdao 266021, China.
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Fu XY, Yin H, Chen XT, Yao JF, Ma YN, Song M, Xu H, Yu QY, Du SS, Qi YK, Wang KW. Three Rounds of Stability-Guided Optimization and Systematical Evaluation of Oncolytic Peptide LTX-315. J Med Chem 2024; 67:3885-3908. [PMID: 38278140 DOI: 10.1021/acs.jmedchem.3c02232] [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: 01/28/2024]
Abstract
Oncolytic peptides represent promising novel candidates for anticancer treatments. In our efforts to develop oncolytic peptides possessing both high protease stability and durable anticancer efficiency, three rounds of optimization were conducted on the first-in-class oncolytic peptide LTX-315. The robust synthetic method, in vitro and in vivo anticancer activity, and anticancer mechanism were investigated. The D-type peptides represented by FXY-12 possessed significantly improved proteolytic stability and sustained anticancer efficiency. Strikingly, the novel hybrid peptide FXY-30, containing one FXY-12 and two camptothecin moieties, exhibited the most potent in vitro and in vivo anticancer activities. The mechanism explorations indicated that FXY-30 exhibited rapid membranolytic effects and induced severe DNA double-strand breaks to trigger cell apoptosis. Collectively, this study not only established robust strategies to improve the stability and anticancer potential of oncolytic peptides but also provided valuable references for the future development of D-type peptides-based hybrid anticancer chemotherapeutics.
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Affiliation(s)
- Xing-Yan Fu
- School of Pharmacy, Qingdao University Medical College, Qingdao University, #1 Ningde Road, Qingdao 266073, China
- Institute of Innovative Drugs, Qingdao University, #38 Dengzhou Road, Qingdao 266021, China
| | - Hao Yin
- School of Pharmacy, Qingdao University Medical College, Qingdao University, #1 Ningde Road, Qingdao 266073, China
- Institute of Innovative Drugs, Qingdao University, #38 Dengzhou Road, Qingdao 266021, China
| | - Xi-Tong Chen
- School of Pharmacy, Qingdao University Medical College, Qingdao University, #1 Ningde Road, Qingdao 266073, China
| | - Jing-Fang Yao
- School of Pharmacy, Qingdao University Medical College, Qingdao University, #1 Ningde Road, Qingdao 266073, China
| | - Yan-Nan Ma
- School of Pharmacy, Qingdao University Medical College, Qingdao University, #1 Ningde Road, Qingdao 266073, China
| | - Min Song
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Huan Xu
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Qian-Yao Yu
- School of Pharmacy, Qingdao University Medical College, Qingdao University, #1 Ningde Road, Qingdao 266073, China
| | - Shan-Shan Du
- School of Pharmacy, Qingdao University Medical College, Qingdao University, #1 Ningde Road, Qingdao 266073, China
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Yun-Kun Qi
- School of Pharmacy, Qingdao University Medical College, Qingdao University, #1 Ningde Road, Qingdao 266073, China
- Institute of Innovative Drugs, Qingdao University, #38 Dengzhou Road, Qingdao 266021, China
| | - Ke-Wei Wang
- School of Pharmacy, Qingdao University Medical College, Qingdao University, #1 Ningde Road, Qingdao 266073, China
- Institute of Innovative Drugs, Qingdao University, #38 Dengzhou Road, Qingdao 266021, China
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3
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Xiang D, Zhou L, Yang R, Yuan F, Xu Y, Yang Y, Qiao Y, Li X. Advances in Ferroptosis-Inducing Agents by Targeted Delivery System in Cancer Therapy. Int J Nanomedicine 2024; 19:2091-2112. [PMID: 38476278 PMCID: PMC10929151 DOI: 10.2147/ijn.s448715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 02/16/2024] [Indexed: 03/14/2024] Open
Abstract
Currently, cancer remains one of the most significant threats to human health. Treatment of most cancers remains challenging, despite the implementation of diverse therapies in clinical practice. In recent years, research on the mechanism of ferroptosis has presented novel perspectives for cancer treatment. Ferroptosis is a regulated cell death process caused by lipid peroxidation of membrane unsaturated fatty acids catalyzed by iron ions. The rapid development of bio-nanotechnology has generated considerable interest in exploiting iron-induced cell death as a new therapeutic target against cancer. This article provides a comprehensive overview of recent advancements at the intersection of iron-induced cell death and bionanotechnology. In this respect, the mechanism of iron-induced cell death and its relation to cancer are summarized. Furthermore, the feasibility of a nano-drug delivery system based on iron-induced cell death for cancer treatment is introduced and analyzed. Secondly, strategies for inducing iron-induced cell death using nanodrug delivery technology are discussed, including promoting Fenton reactions, inhibiting glutathione peroxidase 4, reducing low glutathione levels, and inhibiting system Xc-. Additionally, the article explores the potential of combined treatment strategies involving iron-induced cell death and bionanotechnology. Finally, the application prospects and challenges of iron-induced nanoagents for cancer treatment are discussed.
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Affiliation(s)
- Debiao Xiang
- Department of Pharmacy, The Third Hospital of Changsha, Changsha, Hunan Province, People’s Republic of China
- Hunan Provincial Key Laboratory of Anti-Resistance Microbial Drugs, Changsha, Hunan Province, People’s Republic of China
- The Clinical Application Research Institute of Antibiotics in Changsha, Changsha, Hunan Province, People’s Republic of China
| | - Lili Zhou
- College of Pharmacy, Hunan University of Chinese Medicine, Changsha, Hunan Province, People’s Republic of China
| | - Rui Yang
- Department of Pharmacy, The Third Hospital of Changsha, Changsha, Hunan Province, People’s Republic of China
- College of Pharmacy, Hunan University of Chinese Medicine, Changsha, Hunan Province, People’s Republic of China
| | - Fang Yuan
- Department of Pharmacy, The Third Hospital of Changsha, Changsha, Hunan Province, People’s Republic of China
- Hunan Provincial Key Laboratory of Anti-Resistance Microbial Drugs, Changsha, Hunan Province, People’s Republic of China
- The Clinical Application Research Institute of Antibiotics in Changsha, Changsha, Hunan Province, People’s Republic of China
| | - Yilin Xu
- College of Pharmacy, Hunan University of Chinese Medicine, Changsha, Hunan Province, People’s Republic of China
| | - Yuan Yang
- Department of Pharmacy, The Third Hospital of Changsha, Changsha, Hunan Province, People’s Republic of China
- College of Pharmacy, Hunan University of Chinese Medicine, Changsha, Hunan Province, People’s Republic of China
| | - Yong Qiao
- Department of Pharmacy, The Third Hospital of Changsha, Changsha, Hunan Province, People’s Republic of China
- Hunan Provincial Key Laboratory of Anti-Resistance Microbial Drugs, Changsha, Hunan Province, People’s Republic of China
- The Clinical Application Research Institute of Antibiotics in Changsha, Changsha, Hunan Province, People’s Republic of China
| | - Xin Li
- Department of Pharmacy, The Third Hospital of Changsha, Changsha, Hunan Province, People’s Republic of China
- Hunan Provincial Key Laboratory of Anti-Resistance Microbial Drugs, Changsha, Hunan Province, People’s Republic of China
- The Clinical Application Research Institute of Antibiotics in Changsha, Changsha, Hunan Province, People’s Republic of China
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Li X, Jin K, Cheng TC, Liao YC, Lee WJ, Bhullar AS, Chen LC, Rychahou P, Phelps MA, Ho YS, Guo P. RNA four-way junction (4WJ) for spontaneous cancer-targeting, effective tumor-regression, metastasis suppression, fast renal excretion and undetectable toxicity. Biomaterials 2024; 305:122432. [PMID: 38176263 PMCID: PMC10994150 DOI: 10.1016/j.biomaterials.2023.122432] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 11/14/2023] [Accepted: 12/14/2023] [Indexed: 01/06/2024]
Abstract
The field of RNA therapeutics has been emerging as the third milestone in pharmaceutical drug development. RNA nanoparticles have displayed motile and deformable properties to allow for high tumor accumulation with undetectable healthy organ accumulation. Therefore, RNA nanoparticles have the potential to serve as potent drug delivery vehicles with strong anti-cancer responses. Herein, we report the physicochemical basis for the rational design of a branched RNA four-way junction (4WJ) nanoparticle that results in advantageous high-thermostability and -drug payload for cancer therapy, including metastatic tumors in the lung. The 4WJ nanostructure displayed versatility through functionalization with an anti-cancer chemical drug, SN38, for the treatment of two different cancer models including colorectal cancer xenograft and orthotopic lung metastases of colon cancer. The resulting 4WJ RNA drug complex spontaneously targeted cancers effectively for cancer inhibition with and without ligands. The 4WJ displayed fast renal excretion, rapid body clearance, and little organ accumulation with undetectable toxicity and immunogenicity. The safety parameters were documented by organ histology, blood biochemistry, and pathological analysis. The highly efficient cancer inhibition, undetectable drug toxicity, and favorable Chemical, Manufacturing, and Control (CMC) production of RNA nanoparticles document a candidate with high potential for translation in cancer therapy.
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Affiliation(s)
- Xin Li
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH, 43210, USA; Center for RNA Nanotechnology and Nanomedicine, The Ohio State University, Columbus, OH, 43210, USA
| | - Kai Jin
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH, 43210, USA; Center for RNA Nanotechnology and Nanomedicine, The Ohio State University, Columbus, OH, 43210, USA
| | - Tzu-Chun Cheng
- Institute of Biochemistry and Molecular Biology, China Medical University, Taichung, 406040, Taiwan
| | - You-Cheng Liao
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, 110031, Taiwan
| | - Wen-Jui Lee
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH, 43210, USA; Center for RNA Nanotechnology and Nanomedicine, The Ohio State University, Columbus, OH, 43210, USA
| | - Abhjeet S Bhullar
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH, 43210, USA; Center for RNA Nanotechnology and Nanomedicine, The Ohio State University, Columbus, OH, 43210, USA
| | - Li-Ching Chen
- Department of Biological Science & Technology, China Medical University, Taichung, 406040, Taiwan
| | - Piotr Rychahou
- Markey Cancer Center, Department of Surgery, University of Kentucky, Lexington, KY, 40536, USA
| | - Mitch A Phelps
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH, 43210, USA; Center for RNA Nanotechnology and Nanomedicine, The Ohio State University, Columbus, OH, 43210, USA
| | - Yuan Soon Ho
- Institute of Biochemistry and Molecular Biology, China Medical University, Taichung, 406040, Taiwan.
| | - Peixuan Guo
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH, 43210, USA; Center for RNA Nanotechnology and Nanomedicine, The Ohio State University, Columbus, OH, 43210, USA; James Comprehensive Cancer Center, College of Medicine, The Ohio State University, Columbus, OH, 43210, USA; Dorothy M. Davis Heart and Lung Research Institute, College of Medicine, The Ohio State University, Columbus, OH, 43210, USA.
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5
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Uddin N, Binzel DW, Shu D, Fu TM, Guo P. Targeted delivery of RNAi to cancer cells using RNA-ligand displaying exosome. Acta Pharm Sin B 2023; 13:1383-1399. [PMID: 37139430 PMCID: PMC10149909 DOI: 10.1016/j.apsb.2022.11.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 09/27/2022] [Accepted: 10/13/2022] [Indexed: 11/18/2022] Open
Abstract
Exosome is an excellent vesicle for in vivo delivery of therapeutics, including RNAi and chemical drugs. The extremely high efficiency in cancer regression can partly be attributed to its fusion mechanism in delivering therapeutics to cytosol without endosome trapping. However, being composed of a lipid-bilayer membrane without specific recognition capacity for aimed-cells, the entry into nonspecific cells can lead to potential side-effects and toxicity. Applying engineering approaches for targeting-capacity to deliver therapeutics to specific cells is desirable. Techniques with chemical modification in vitro and genetic engineering in cells have been reported to decorate exosomes with targeting ligands. RNA nanoparticles have been used to harbor tumor-specific ligands displayed on exosome surface. The negative charge reduces nonspecific binding to vital cells with negatively charged lipid-membrane due to the electrostatic repulsion, thus lowering the side-effect and toxicity. In this review, we focus on the uniqueness of RNA nanoparticles for exosome surface display of chemical ligands, small peptides or RNA aptamers, for specific cancer targeting to deliver anticancer therapeutics, highlighting recent advances in targeted delivery of siRNA and miRNA that overcomes the previous RNAi delivery roadblocks. Proper understanding of exosome engineering with RNA nanotechnology promises efficient therapies for a wide range of cancer subtypes.
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Affiliation(s)
- Nasir Uddin
- Center for RNA Nanobiotechnology and Nanomedicine, Division of Pharmaceutics and Pharmacology, College of Pharmacy, the Ohio State University, Columbus, OH 43210, USA
- Dorothy M. Davis Heart and Lung Research Institute, the Ohio State University, Columbus, OH 43210, USA
- James Comprehensive Cancer Center, College of Medicine, the Ohio State University, Columbus, OH 43210, USA
| | - Daniel W. Binzel
- Center for RNA Nanobiotechnology and Nanomedicine, Division of Pharmaceutics and Pharmacology, College of Pharmacy, the Ohio State University, Columbus, OH 43210, USA
- Dorothy M. Davis Heart and Lung Research Institute, the Ohio State University, Columbus, OH 43210, USA
- James Comprehensive Cancer Center, College of Medicine, the Ohio State University, Columbus, OH 43210, USA
| | - Dan Shu
- Center for RNA Nanobiotechnology and Nanomedicine, Division of Pharmaceutics and Pharmacology, College of Pharmacy, the Ohio State University, Columbus, OH 43210, USA
- Dorothy M. Davis Heart and Lung Research Institute, the Ohio State University, Columbus, OH 43210, USA
- James Comprehensive Cancer Center, College of Medicine, the Ohio State University, Columbus, OH 43210, USA
| | - Tian-Min Fu
- Department of Biological Chemistry & Pharmacology, College of Medicine, the Ohio State University, Columbus, OH 43210, USA
| | - Peixuan Guo
- Center for RNA Nanobiotechnology and Nanomedicine, Division of Pharmaceutics and Pharmacology, College of Pharmacy, the Ohio State University, Columbus, OH 43210, USA
- Dorothy M. Davis Heart and Lung Research Institute, the Ohio State University, Columbus, OH 43210, USA
- James Comprehensive Cancer Center, College of Medicine, the Ohio State University, Columbus, OH 43210, USA
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Doe E, Hayth HL, Brumett R, Khisamutdinov EF. Effective, Rapid, and Small-Scale Bioconjugation and Purification of "Clicked" Small-Molecule DNA Oligonucleotide for Nucleic Acid Nanoparticle Functionalization. Int J Mol Sci 2023; 24:4797. [PMID: 36902228 PMCID: PMC10003352 DOI: 10.3390/ijms24054797] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 02/12/2023] [Accepted: 02/27/2023] [Indexed: 03/06/2023] Open
Abstract
Nucleic acid-based therapeutics involves the conjugation of small molecule drugs to nucleic acid oligomers to surmount the challenge of solubility, and the inefficient delivery of these drug molecules into cells. "Click" chemistry has become popular conjugation approach due to its simplicity and high conjugation efficiency. However, the major drawback of the conjugation of oligonucleotides is the purification of the products, as traditionally used chromatography techniques are usually time-consuming and laborious, requiring copious quantities of materials. Herein, we introduce a simple and rapid purification methodology to separate the excess of unconjugated small molecules and toxic catalysts using a molecular weight cut-off (MWCO) centrifugation approach. As proof of concept, we deployed "click" chemistry to conjugate a Cy3-alkyne moiety to an azide-functionalized oligodeo-xynucleotide (ODN), as well as a coumarin azide to an alkyne-functionalized ODN. The calculated yields of the conjugated products were found to be 90.3 ± 0.4% and 86.0 ± 1.3% for the ODN-Cy3 and ODN-coumarin, respectively. Analysis of purified products by fluorescence spectroscopy and gel shift assays demonstrated a drastic amplitude of fluorescent intensity by multiple folds of the reporter molecules within DNA nanoparticles. This work is intended to demonstrate a small-scale, cost-effective, and robust approach to purifying ODN conjugates for nucleic acid nanotechnology applications.
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Doe E, Hayth HL, Khisamutdinov EF. Bioconjugation of Functionalized Oligodeoxynucleotides with Fluorescence Reporters for Nanoparticle Assembly. Methods Mol Biol 2023; 2709:105-115. [PMID: 37572275 DOI: 10.1007/978-1-0716-3417-2_6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/14/2023]
Abstract
In the field of nucleic acid nanotechnology and therapeutics, there is an imperative need to improve the oligodeoxynucleotides' (ODNs) properties by either chemical modification of the oligonucleotides' structure or to covalently link them to a reporter or therapeutic moieties that possess biologically relevant properties. The chemical conjugation can thus significantly improve the intrinsic properties not only of ODNs but also reporter/therapeutic molecules. Bioconjugation of nucleic acids to small molecules also serves as a nano-delivery facility to transport various functionalities to specific targets. Herein, we describe a generalized methodology that deploys azide-alkyne cycloaddition, a click reaction to conjugate a cyanine-3 alkyne moiety to an azide-functionalized ODN 12-mer, as well as 3-azido 7-hydroxycoumarin to an alkyne functionalized ODN 12-mer.
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Affiliation(s)
- Erwin Doe
- Department of Chemistry, Ball State University, Muncie, IN, USA
| | - Hannah L Hayth
- Department of Chemistry, Ball State University, Muncie, IN, USA
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Li X, Bhullar AS, Binzel DW, Guo P. The dynamic, motile and deformative properties of RNA nanoparticles facilitate the third milestone of drug development. Adv Drug Deliv Rev 2022; 186:114316. [PMID: 35526663 DOI: 10.1016/j.addr.2022.114316] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 03/25/2022] [Accepted: 04/29/2022] [Indexed: 12/13/2022]
Abstract
Besides mRNA, rRNA, and tRNA, cells contain many other noncoding RNA that display critical roles in the regulation of cellular functions. Human genome sequencing revealed that the majority of non-protein-coding DNA actually codes for non-coding RNAs. The dynamic nature of RNA results in its motile and deformative behavior. These conformational transitions such as the change of base-pairing, breathing within complemented strands, and pseudoknot formation at the 2D level as well as the induced-fit and conformational capture at the 3D level are important for their biological functions including regulation, translation, and catalysis. The dynamic, motile and catalytic activity has led to a belief that RNA is the origin of life. We have recently reported that the deformative property of RNA nanoparticles enhances their penetration through the leaky blood vessel of cancers which leads to highly efficient tumor accumulation. This special deformative property also enables RNA nanoparticles to pass the glomerulus, overcoming the filtration size limit, resulting in fast renal excretion and rapid body clearance, thus low or no toxicity. The biodistribution of RNA nanoparticles can be further improved by the incorporation of ligands for cancer targeting. In addition to the favorable biodistribution profiles, RNA nanoparticles possess other properties including self-assembly, negative charge, programmability, and multivalency; making it a great material for pharmaceutical applications. The intrinsic negative charge of RNA nanoparticles decreases the toxicity of drugs by preventing nonspecific binding to the negative charged cell membrane and enhancing the solubility of hydrophobic drugs. The polyvalent property of RNA nanoparticles allows the multi-functionalization which can apply to overcome drug resistance. This review focuses on the summary of these unique properties of RNA nanoparticles, which describes the mechanism of RNA dynamic, motile and deformative properties, and elucidates and prepares to welcome the RNA therapeutics as the third milestone in pharmaceutical drug development.
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Affiliation(s)
- Xin Li
- College of Pharmacy, The Ohio State University, Columbus, OH 43210, United States
| | - Abhjeet S Bhullar
- Interdisciplinary Biophysics Graduate Program, College of Art and Science, The Ohio State University, Columbus, OH 43210, United States
| | - Daniel W Binzel
- College of Pharmacy, The Ohio State University, Columbus, OH 43210, United States.
| | - Peixuan Guo
- College of Pharmacy, The Ohio State University, Columbus, OH 43210, United States; Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, OH 43210, United States; James Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210, United States; College of Medicine, The Ohio State University, Columbus, OH 43210, United States.
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Pang X, Zhang Q, Li S, Zhao J, Cai M, Wang H, Xu H, Yang G, Shan Y. Spatiotemporal tracking of the transport of RNA nano-drugs: from transmembrane to intracellular delivery. NANOSCALE 2022; 14:8919-8928. [PMID: 35699091 DOI: 10.1039/d2nr00988a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The popularity of RNA nanoparticles (RNPs) has risen rapidly during the past decade due to the development of RNA nanotechnology. Understanding the fast dynamic process of cell entry and intracellular delivery of RNPs is essential for the design of intelligent therapeutic RNA nano-drugs and mRNA vaccines.How the interaction between the membrane and target ligand of RNPs influences the cell entry, and how the dynamic mechanism of RNPs takes place in different organelles remain ill-defined. Herein, the cell entry of Antimir21-RNP-Apt is monitored using a force tracing technique with a high spatiotemporal resolution at the single particle level, the specific interaction of Apt and EGFR promotes the cell entry efficiency and achieves long-lasting curative effects. Furthermore, the intracellular delivery pathway through different organelles is discovered using fluorescence tracking, and the low motility in early endosomes and the high motility in late endosomes are analyzed. This report provides key strategies for engineering RNA nanomedicines and facilitating clinical translation.
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Affiliation(s)
- Xuelei Pang
- School of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, Changchun 130012, China.
| | - Qingrong Zhang
- School of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, Changchun 130012, China.
| | - Siying Li
- School of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, Changchun 130012, China.
| | - Jing Zhao
- School of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, Changchun 130012, China.
| | - Mingjun Cai
- Changchun Institute of Applied Chemistry, State Key Laboratory of Electroanalytical Chemistry, Chinese Academy of Science, Changchun 130022, China
| | - Hongda Wang
- Changchun Institute of Applied Chemistry, State Key Laboratory of Electroanalytical Chemistry, Chinese Academy of Science, Changchun 130022, China
| | - Haijiao Xu
- Changchun Institute of Applied Chemistry, State Key Laboratory of Electroanalytical Chemistry, Chinese Academy of Science, Changchun 130022, China
| | - Guocheng Yang
- School of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, Changchun 130012, China.
| | - Yuping Shan
- School of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, Changchun 130012, China.
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Self-assembled RNA nanocarrier-mediated chemotherapy combined with molecular targeting in the treatment of esophageal squamous cell carcinoma. J Nanobiotechnology 2021; 19:388. [PMID: 34823537 PMCID: PMC8614048 DOI: 10.1186/s12951-021-01135-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 11/12/2021] [Indexed: 12/30/2022] Open
Abstract
Background Esophageal cancer is the fifth most common cancer affecting men in China. The primary treatment options are surgery and traditional radio-chemotherapy; no effective targeted therapy exists yet. Self-assembled RNA nanocarriers are highly stable, easily functionally modified, and have weak off-tumor targeting effects. Thus, they are among the most preferred carriers for mediating the targeted delivery of anti-tumor drugs. miR-375 was found to be significantly down-regulated in esophageal squamous cell carcinoma (ESCC) tissues and its overexpression effectively inhibits the proliferation, migration, and invasion of ESCC cells. Moreover, epidermal growth factor receptor (EGFR) was overexpressed in ESCC cells, and accumulation of RNA nanoparticles in ESCC tumors was enhanced by EGFR-specific aptamer (EGFRapt) modification. Results Herein, a novel four-way junction RNA nanocarrier, 4WJ-EGFRapt-miR-375-PTX simultaneously loaded with miR-375, PTX and decorated with EGFRapt, was developed. In vitro analysis demonstrated that 4WJ-EGFRapt-miR-375-PTX possesses strong thermal and pH stabilities. EGFRapt decoration facilitated tumor cell endocytosis and promoted deep penetration into 3D-ESCC spheroids. Xenograft mouse model for ESCC confirmed that 4WJ-EGFRapt-miR-375-PTX was selectively distributed in tumor sites via EGFRapt-mediating active targeting and targeted co-delivery of miR-375 and PTX exhibited more effective therapeutic efficacy with low systemic toxicity. Conclusion This strategy may provide a practical approach for targeted therapy of ESCC. Graphical Abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s12951-021-01135-5.
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Loh JS, Tan LKS, Lee WL, Ming LC, How CW, Foo JB, Kifli N, Goh BH, Ong YS. Do Lipid-based Nanoparticles Hold Promise for Advancing the Clinical Translation of Anticancer Alkaloids? Cancers (Basel) 2021; 13:5346. [PMID: 34771511 PMCID: PMC8582402 DOI: 10.3390/cancers13215346] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 06/09/2021] [Accepted: 06/10/2021] [Indexed: 12/12/2022] Open
Abstract
Since the commercialization of morphine in 1826, numerous alkaloids have been isolated and exploited effectively for the betterment of mankind, including cancer treatment. However, the commercialization of alkaloids as anticancer agents has generally been limited by serious side effects due to their lack of specificity to cancer cells, indiscriminate tissue distribution and toxic formulation excipients. Lipid-based nanoparticles represent the most effective drug delivery system concerning clinical translation owing to their unique, appealing characteristics for drug delivery. To the extent of our knowledge, this is the first review to compile in vitro and in vivo evidence of encapsulating anticancer alkaloids in lipid-based nanoparticles. Alkaloids encapsulated in lipid-based nanoparticles have generally displayed enhanced in vitro cytotoxicity and an improved in vivo efficacy and toxicity profile than free alkaloids in various cancers. Encapsulated alkaloids also demonstrated the ability to overcome multidrug resistance in vitro and in vivo. These findings support the broad application of lipid-based nanoparticles to encapsulate anticancer alkaloids and facilitate their clinical translation. The review then discusses several limitations of the studies analyzed, particularly the discrepancies in reporting the pharmacokinetics, biodistribution and toxicity data. Finally, we conclude with examples of clinically successful encapsulated alkaloids that have received regulatory approval and are undergoing clinical evaluation.
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Affiliation(s)
- Jian Sheng Loh
- School of Pharmacy, Monash University Malaysia, Bandar Sunway, Subang Jaya 47500, Malaysia; (J.S.L.); (C.W.H.)
| | - Li Kar Stella Tan
- School of Pharmacy, Faculty of Health & Medical Sciences, Taylor’s University, Jalan Taylors 1, Subang Jaya 47500, Malaysia; (L.K.S.T.); (J.B.F.)
| | - Wai Leng Lee
- School of Science, Monash University Malaysia, Subang Jaya 47500, Malaysia;
| | - Long Chiau Ming
- PAP Rashidah Sa’adatul Bolkiah Institute of Health Sciences, Universiti Brunei Darussalam, Gadong BE1410, Brunei; (L.C.M.); (N.K.)
| | - Chee Wun How
- School of Pharmacy, Monash University Malaysia, Bandar Sunway, Subang Jaya 47500, Malaysia; (J.S.L.); (C.W.H.)
- Health and Well-Being Cluster, Global Asia in the 21st Century (GA21) Platform, Monash University Malaysia, Subang Jaya 47500, Malaysia
| | - Jhi Biau Foo
- School of Pharmacy, Faculty of Health & Medical Sciences, Taylor’s University, Jalan Taylors 1, Subang Jaya 47500, Malaysia; (L.K.S.T.); (J.B.F.)
- Centre for Drug Discovery and Molecular Pharmacology (CDDMP), Faculty of Health & Medical Sciences, Taylor’s University, Jalan Taylors 1, Subang Jaya 47500, Malaysia
| | - Nurolaini Kifli
- PAP Rashidah Sa’adatul Bolkiah Institute of Health Sciences, Universiti Brunei Darussalam, Gadong BE1410, Brunei; (L.C.M.); (N.K.)
| | - Bey Hing Goh
- School of Pharmacy, Monash University Malaysia, Bandar Sunway, Subang Jaya 47500, Malaysia; (J.S.L.); (C.W.H.)
- Biofunctional Molecule Exploratory Research Group (BMEX), School of Pharmacy, Monash University Malaysia, Subang Jaya 47500, Malaysia
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yong Sze Ong
- School of Pharmacy, Monash University Malaysia, Bandar Sunway, Subang Jaya 47500, Malaysia; (J.S.L.); (C.W.H.)
- Health and Well-Being Cluster, Global Asia in the 21st Century (GA21) Platform, Monash University Malaysia, Subang Jaya 47500, Malaysia
- Biofunctional Molecule Exploratory Research Group (BMEX), School of Pharmacy, Monash University Malaysia, Subang Jaya 47500, Malaysia
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12
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Varlamova EA, Isagulieva AK, Morozova NG, Shmendel EV, Maslov MA, Shtil AA. Non-Phosphorus Lipids As New Antitumor Drug Prototypes. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2021. [DOI: 10.1134/s1068162021050356] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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13
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Ren L, Nie J, Wei J, Li Y, Yin J, Yang X, Chen G. RGD-targeted redox responsive nano micelle: co-loading docetaxel and indocyanine green to treat the tumor. Drug Deliv 2021; 28:2024-2032. [PMID: 34569890 PMCID: PMC8477929 DOI: 10.1080/10717544.2021.1977425] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Cancer, also known as a malignant tumor, has developed into a type of disease with the highest fatality rate, seriously threatening the lives and health of people. Chemotherapy is one of the most important methods for the treatment of cancer. However, chemotherapy drugs have some problems, such as low solubility and lack of targeting, which severely limit their clinical applications. To solve these problems, we designed a block copolymer that has a disulfide bond response. The polymer uses RGD peptide (arginine-glycine-aspartic acid) as the active targeting group, PEG (polyethylene glycol) as the hydrophilic end, and PCL (polycaprolactone) as the hydrophobic end. Then we utilized the amphiphilic polymer as a carrier to simultaneously deliver DOC (docetaxel) and ICG (indocyanine green), to realize the combined application of chemotherapy and photothermal therapy. The antitumor efficacy in vivo and histology analysis showed that the DOC/ICG-loaded micelle exhibited higher antitumor activity. The drug delivery system improved the solubility of DOC and the stability of ICG, realized NIR-guided photothermal therapy, and achieved an ideal therapeutic effect.
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Affiliation(s)
- Lili Ren
- School of Pharmacy, Nanjing Tech University, Nanjing, China.,Department of Microbiology and Immunology, Stanford University, Stanford, CA, USA
| | - Junfang Nie
- School of Pharmacy, Nanjing Tech University, Nanjing, China
| | - Jie Wei
- School of Pharmacy, Nanjing Tech University, Nanjing, China
| | - Yaning Li
- School of Pharmacy, Nanjing Tech University, Nanjing, China
| | - Jun Yin
- School of Pharmacy, Nanjing Tech University, Nanjing, China
| | - Xiaolong Yang
- School of Pharmacy, Nanjing Tech University, Nanjing, China
| | - Guoguang Chen
- School of Pharmacy, Nanjing Tech University, Nanjing, China
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14
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Hu X, Li F, Xia F, Wang Q, Lin P, Wei M, Gong L, Low LE, Lee JY, Ling D. Dynamic nanoassembly-based drug delivery system (DNDDS): Learning from nature. Adv Drug Deliv Rev 2021; 175:113830. [PMID: 34139254 DOI: 10.1016/j.addr.2021.113830] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Revised: 05/19/2021] [Accepted: 06/10/2021] [Indexed: 12/18/2022]
Abstract
Dynamic nanoassembly-based drug delivery system (DNDDS) has evolved from being a mere curiosity to emerging as a promising strategy for high-performance diagnosis and/or therapy of various diseases. However, dynamic nano-bio interaction between DNDDS and biological systems remains poorly understood, which can be critical for precise spatiotemporal and functional control of DNDDS in vivo. To deepen the understanding for fine control over DNDDS, we aim to explore natural systems as the root of inspiration for researchers from various fields. This review highlights ingenious designs, nano-bio interactions, and controllable functionalities of state-of-the-art DNDDS under endogenous or exogenous stimuli, by learning from nature at the molecular, subcellular, and cellular levels. Furthermore, the assembly strategies and response mechanisms of tailor-made DNDDS based on the characteristics of various diseased microenvironments are intensively discussed. Finally, the current challenges and future perspectives of DNDDS are briefly commented.
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15
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Wang H, Guo P. Radiolabeled RNA Nanoparticles for Highly Specific Targeting and Efficient Tumor Accumulation with Favorable In Vivo Biodistribution. Mol Pharm 2021; 18:2924-2934. [PMID: 34212728 DOI: 10.1021/acs.molpharmaceut.1c00035] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Therapeutic efficiency and toxicity are two of the three critical factors in molecular therapy and pharmaceutical drug development. Specific tumor targeting and rapid renal excretion contribute to improving efficiency and reducing toxicity. We recently found that RNA nanoparticles display rubber-like properties, enabling them to deliver therapeutics to cancer with high efficiency. Off-target RNA nanoparticles were rapidly cleared by renal excretion, resulting in nontoxicity. However, previous biodistribution studies relied mainly on fluorescent markers, which can cause interference from fluorophore quenching and autofluorescence. Thus, the quantification of biodistribution requires further scrutiny. In this study, radionuclide [3H] markers were used for quantitative pharmacokinetic (PK) studies to elucidate the favorable PK profile of RNA nanoparticles. Approximately 5% of [3H]-RNA nanoparticles accumulated in tumors, in contrast to the 0.7% tumor accumulation reported in the literature for other kinds of nanoparticles. The amount of [3H]-RNA nanoparticles accumulated in tumors was higher than that in the liver, heart, lung, spleen, and brain throughout the entire process after IV injection. [3H]-RNA nanoparticles rapidly reached the tumor vasculature within 30 min and remained in tumors for more than 2 days. Nontargeting [3H]-RNA nanoparticles were found in the urine 30 min after IV injection without degradation and processing, and more than 55% of the IV-injected radiolabeled RNA nanoparticles were cleared from the body within 12 h, while the other 45% includes the radiative counts that cannot be recovered due to whole-body distribution and blood dilution after intravenous injection. The high specificity of tumor targeting, fast renal excretion, and low organ accumulation illustrate the high therapeutic potential of RNA nanoparticles in cancer treatment as efficient cancer-targeting carriers with low toxicity and side effects.
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Affiliation(s)
- Hongzhi Wang
- Center for RNA Nanobiotechnology and Nanomedicine, College of Pharmacy, Dorothy M. Davis Heart and Lung Research Institute, James Comprehensive Cancer Center, College of Medicine, The Ohio State University, Columbus, Ohio 43210, United States
| | - Peixuan Guo
- Center for RNA Nanobiotechnology and Nanomedicine, College of Pharmacy, Dorothy M. Davis Heart and Lung Research Institute, James Comprehensive Cancer Center, College of Medicine, The Ohio State University, Columbus, Ohio 43210, United States
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16
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Binzel DW, Li X, Burns N, Khan E, Lee WJ, Chen LC, Ellipilli S, Miles W, Ho YS, Guo P. Thermostability, Tunability, and Tenacity of RNA as Rubbery Anionic Polymeric Materials in Nanotechnology and Nanomedicine-Specific Cancer Targeting with Undetectable Toxicity. Chem Rev 2021; 121:7398-7467. [PMID: 34038115 DOI: 10.1021/acs.chemrev.1c00009] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
RNA nanotechnology is the bottom-up self-assembly of nanometer-scale architectures, resembling LEGOs, composed mainly of RNA. The ideal building material should be (1) versatile and controllable in shape and stoichiometry, (2) spontaneously self-assemble, and (3) thermodynamically, chemically, and enzymatically stable with a long shelf life. RNA building blocks exhibit each of the above. RNA is a polynucleic acid, making it a polymer, and its negative-charge prevents nonspecific binding to negatively charged cell membranes. The thermostability makes it suitable for logic gates, resistive memory, sensor set-ups, and NEM devices. RNA can be designed and manipulated with a level of simplicity of DNA while displaying versatile structure and enzyme activity of proteins. RNA can fold into single-stranded loops or bulges to serve as mounting dovetails for intermolecular or domain interactions without external linking dowels. RNA nanoparticles display rubber- and amoeba-like properties and are stretchable and shrinkable through multiple repeats, leading to enhanced tumor targeting and fast renal excretion to reduce toxicities. It was predicted in 2014 that RNA would be the third milestone in pharmaceutical drug development. The recent approval of several RNA drugs and COVID-19 mRNA vaccines by FDA suggests that this milestone is being realized. Here, we review the unique properties of RNA nanotechnology, summarize its recent advancements, describe its distinct attributes inside or outside the body and discuss potential applications in nanotechnology, medicine, and material science.
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Affiliation(s)
- Daniel W Binzel
- Center for RNA Nanobiotechnology and Nanomedicine, College of Pharmacy, Dorothy M. Davis Heart and Lung Research Institute, James Comprehensive Cancer Center, College of Medicine, The Ohio State University, Columbus, Ohio 43210, United States
| | - Xin Li
- Center for RNA Nanobiotechnology and Nanomedicine, College of Pharmacy, Dorothy M. Davis Heart and Lung Research Institute, James Comprehensive Cancer Center, College of Medicine, The Ohio State University, Columbus, Ohio 43210, United States
| | - Nicolas Burns
- Center for RNA Nanobiotechnology and Nanomedicine, College of Pharmacy, Dorothy M. Davis Heart and Lung Research Institute, James Comprehensive Cancer Center, College of Medicine, The Ohio State University, Columbus, Ohio 43210, United States
| | - Eshan Khan
- Department of Cancer Biology and Genetics, The Ohio State University Comprehensive Cancer Center, College of Medicine, Center for RNA Biology, The Ohio State University, Columbus, Ohio 43210, United States
| | - Wen-Jui Lee
- TMU Research Center of Cancer Translational Medicine, School of Medical Laboratory Science and Biotechnology, College of Medical Science and Technology, Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Department of Laboratory Medicine, Taipei Medical University Hospital, Taipei 110, Taiwan
| | - Li-Ching Chen
- TMU Research Center of Cancer Translational Medicine, School of Medical Laboratory Science and Biotechnology, College of Medical Science and Technology, Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Department of Laboratory Medicine, Taipei Medical University Hospital, Taipei 110, Taiwan
| | - Satheesh Ellipilli
- Center for RNA Nanobiotechnology and Nanomedicine, College of Pharmacy, Dorothy M. Davis Heart and Lung Research Institute, James Comprehensive Cancer Center, College of Medicine, The Ohio State University, Columbus, Ohio 43210, United States
| | - Wayne Miles
- Department of Cancer Biology and Genetics, The Ohio State University Comprehensive Cancer Center, College of Medicine, Center for RNA Biology, The Ohio State University, Columbus, Ohio 43210, United States
| | - Yuan Soon Ho
- TMU Research Center of Cancer Translational Medicine, School of Medical Laboratory Science and Biotechnology, College of Medical Science and Technology, Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Department of Laboratory Medicine, Taipei Medical University Hospital, Taipei 110, Taiwan
| | - Peixuan Guo
- Center for RNA Nanobiotechnology and Nanomedicine, College of Pharmacy, Dorothy M. Davis Heart and Lung Research Institute, James Comprehensive Cancer Center, College of Medicine, The Ohio State University, Columbus, Ohio 43210, United States
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17
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Li Z, Yang L, Wang H, Binzel DW, Williams TM, Guo P. Non-Small-Cell Lung Cancer Regression by siRNA Delivered Through Exosomes That Display EGFR RNA Aptamer. Nucleic Acid Ther 2021; 31:364-374. [PMID: 33999716 DOI: 10.1089/nat.2021.0002] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Lung cancer is the second most common cancer in both men and women and is the leading cause of cancer death in the United States. The development of drug resistance to commonly used chemotherapeutics in non-small-cell lung cancer (NSCLC) poses significant health risks and there is a dire need to improve patient outcomes. In this study, we report the use of RNA nanotechnology to display ligand on exosome that was loaded with small interfering RNA (siRNA) for NSCLC regression in animal trials. Cholesterol was used to anchor the ligand targeting epidermal growth factor receptor on exosomes that were loaded with siRNA to silence the antiapoptotic factor survivin. The cytosolic delivery of siRNA overcame the problem of endosome trapping, leading to potent gene knockdown, chemotherapy sensitization, and tumor regression, thus achieving a favorable IC50 of 20 nmol/kg siRNA encapsulated by exosome particles in the in vivo gene knockdown assessment.
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Affiliation(s)
- Zhefeng Li
- Center for RNA Nanobiotechnology and Nanomedicine, College of Pharmacy, James Comprehensive Cancer Center, Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, USA
| | - Linlin Yang
- The Ohio State University Wexner Medical Center, Arthur G. James Comprehensive Cancer Center and Richard J. Solove Institute, Columbus, Ohio, USA
| | - Hongzhi Wang
- Center for RNA Nanobiotechnology and Nanomedicine, College of Pharmacy, James Comprehensive Cancer Center, Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, USA
| | - Daniel W Binzel
- Center for RNA Nanobiotechnology and Nanomedicine, College of Pharmacy, James Comprehensive Cancer Center, Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, USA
| | - Terence M Williams
- The Ohio State University Wexner Medical Center, Arthur G. James Comprehensive Cancer Center and Richard J. Solove Institute, Columbus, Ohio, USA
| | - Peixuan Guo
- Center for RNA Nanobiotechnology and Nanomedicine, College of Pharmacy, James Comprehensive Cancer Center, Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, USA
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18
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Li H, Zhang K, Binzel DW, Shlyakhtenko LS, Lyubchenko YL, Chiu W, Guo P. RNA nanotechnology to build a dodecahedral genome of single-stranded RNA virus. RNA Biol 2021; 18:2390-2400. [PMID: 33845711 DOI: 10.1080/15476286.2021.1915620] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
The quest for artificial RNA viral complexes with authentic structure while being non-replicative is on its way for the development of viral vaccines. RNA viruses contain capsid proteins that interact with the genome during morphogenesis. The sequence and properties of the protein and genome determine the structure of the virus. For example, the Pariacoto virus ssRNA genome assembles into a dodecahedron. Virus-inspired nanotechnology has progressed remarkably due to the unique structural and functional properties of viruses, which can inspire the design of novel nanomaterials. RNA is a programmable biopolymer able to self-assemble sophisticated 3D structures with rich functionalities. RNA dodecahedrons mimicking the Pariacoto virus quasi-icosahedral genome structures were constructed from both native and 2'-F modified RNA oligos. The RNA dodecahedron easily self-assembled using the stable pRNA three-way junction of bacteriophage phi29 as building blocks. The RNA dodecahedron cage was further characterized by cryo-electron microscopy and atomic force microscopy, confirming the spontaneous and homogenous formation of the RNA cage. The reported RNA dodecahedron cage will likely provide further studies on the mechanisms of interaction of the capsid protein with the viral genome while providing a template for further construction of the viral RNA scaffold to add capsid proteins for the assembly of the viral nucleocapsid as a model. Understanding the self-assembly and RNA folding of this RNA cage may offer new insights into the 3D organization of viral RNA genomes. The reported RNA cage also has the potential to be explored as a novel virus-inspired nanocarrier.
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Affiliation(s)
- Hui Li
- Center for RNA Nanobiotechnology and Nanomedicine, The Ohio State University, Columbus, OH, USA.,College of Pharmacy, The Ohio State University, Columbus, OH, USA.,James Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA.,Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, OH, USA
| | - Kaiming Zhang
- Department of Bioengineering and James H. Clark Center, Stanford University, Stanford, CA, USA
| | - Daniel W Binzel
- Center for RNA Nanobiotechnology and Nanomedicine, The Ohio State University, Columbus, OH, USA.,College of Pharmacy, The Ohio State University, Columbus, OH, USA.,James Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA.,Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, OH, USA
| | - Lyudmila S Shlyakhtenko
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Nebraska Medical Center, Omaha, NE, USA
| | - Yuri L Lyubchenko
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Nebraska Medical Center, Omaha, NE, USA
| | - Wah Chiu
- Department of Bioengineering and James H. Clark Center, Stanford University, Stanford, CA, USA.,Division of CryoEM and Bioimaging, SSRL, SLAC National Accelerator Laboratory, Menlo Park, CA, USA
| | - Peixuan Guo
- Center for RNA Nanobiotechnology and Nanomedicine, The Ohio State University, Columbus, OH, USA.,College of Pharmacy, The Ohio State University, Columbus, OH, USA.,James Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA.,Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, OH, USA
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19
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Ghimire C, Wang H, Li H, Vieweger M, Xu C, Guo P. RNA Nanoparticles as Rubber for Compelling Vessel Extravasation to Enhance Tumor Targeting and for Fast Renal Excretion to Reduce Toxicity. ACS NANO 2020; 14:13180-13191. [PMID: 32902260 PMCID: PMC7799665 DOI: 10.1021/acsnano.0c04863] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Rubber is a fascinating material in both industry and daily life. The development of elastomeric material in nanotechnology is imperative due to its economic and technological potential. By virtue of their distinctive physicochemical properties, nucleic acids have been extensively explored in material science. The Phi29 DNA packaging motor contains a 3WJ with three angles of 97°, 125°, and 138°. Here, the rubber-like property of RNA architectures was investigated using optical tweezers and in vivo imaging technologies. The 3WJ 97° interior angle was contracted or stretched to 60°, 90°, and 108° at will to build elegant RNA triangles, squares, pentagons, cubes, tetrahedrons, dendrimers, and prisms. RNA nanoarchitecture was stretchable and shrinkable by optical tweezer with multiple extension and relaxation repeats like a rubber. Comparing to gold and iron nanoparticles with the same size, RNA nanoparticles display stronger cancer-targeting outcomes, while less accumulation in healthy organs. Generally, the upper limit of renal excretion is 5.5 nm; however, the 5, 10, and 20 nm RNA nanoparticles passed the renal filtration and resumed their original structure identified in urine. These findings solve two previous mysteries: (1) Why RNA nanoparticles have an unusually high tumor targeting efficiency since their rubber or amoeba-like deformation property enables them to squeeze out of the leaky vasculature to improve the EPR effect; and (2) why RNA nanoparticles remain non-toxic since they can be rapidly cleared from the body via renal excretion into urine with little accumulation in the body. Considering its controllable shape and size plus its rubber-like property, RNA holds great promises for industrial and biomedical applications especially in cancer therapeutics delivery.
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Affiliation(s)
| | | | | | | | | | - Peixuan Guo
- Address correspondence to: Peixuan Guo, Ph.D, Sylvan G. Frank Endowed Chair in Pharmaceutics and Drug Delivery, The Ohio State University, 912 Biomedical Research Tower (BRT), 460 W 12th Ave., Columbus, OH 43210, USA, Phone: 614-293-2114,
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20
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Fathi P, Pan D. Current trends in pyrrole and porphyrin-derived nanoscale materials for biomedical applications. Nanomedicine (Lond) 2020; 15:2493-2515. [PMID: 32975469 PMCID: PMC7610151 DOI: 10.2217/nnm-2020-0125] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Accepted: 08/14/2020] [Indexed: 02/01/2023] Open
Abstract
This article is written to provide an up-to-date review of pyrrole-based biomedical materials. Porphyrins and other tetrapyrrolic molecules possess unique magnetic, optical and other photophysical properties that make them useful for bioimaging and therapy. This review touches briefly on some of the synthetic strategies to obtain porphyrin- and tetrapyrrole-based nanoparticles, as well as the variety of applications in which crosslinked, self-assembled, porphyrin-coated and other nanoparticles are utilized. We explore examples of these nanoparticles' applications in photothermal therapy, drug delivery, photodynamic therapy, stimuli response, fluorescence imaging, photoacoustic imaging, magnetic resonance imaging, computed tomography and positron emission tomography. We anticipate that this review will provide a comprehensive summary of pyrrole-derived nanoparticles and provide a guideline for their further development.
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Affiliation(s)
- Parinaz Fathi
- Departments of Bioengineering, Materials Science & Engineering & Beckman Institute, University of Illinois, Urbana, IL 61801, USA
- Mills Breast Cancer Institute, Carle Foundation Hospital, Urbana, IL 61801, USA
| | - Dipanjan Pan
- Departments of Bioengineering, Materials Science & Engineering & Beckman Institute, University of Illinois, Urbana, IL 61801, USA
- Mills Breast Cancer Institute, Carle Foundation Hospital, Urbana, IL 61801, USA
- Departments of Diagnostic Radiology & Nuclear Medicine & Pediatrics, University of Maryland Baltimore, Health Sciences Facility III, 670 W Baltimore St., Baltimore, MD 21201, USA
- Department of Chemical, Biochemical & Environmental Engineering, University of Maryland Baltimore County, Interdisciplinary Health Sciences Facility, 1000 Hilltop Circle Baltimore, MD 21250, USA
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21
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Ultra-thermostable RNA nanoparticles for solubilizing and high-yield loading of paclitaxel for breast cancer therapy. Nat Commun 2020; 11:972. [PMID: 32080195 PMCID: PMC7033104 DOI: 10.1038/s41467-020-14780-5] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Accepted: 01/24/2020] [Indexed: 11/17/2022] Open
Abstract
Paclitaxel is widely used in cancer treatments, but poor water-solubility and toxicity raise serious concerns. Here we report an RNA four-way junction nanoparticle with ultra-thermodynamic stability to solubilize and load paclitaxel for targeted cancer therapy. Each RNA nanoparticle covalently loads twenty-four paclitaxel molecules as a prodrug. The RNA-paclitaxel complex is structurally rigid and stable, demonstrated by the sub-nanometer resolution imaging of cryo-EM. Using RNA nanoparticles as carriers increases the water-solubility of paclitaxel by 32,000-fold. Intravenous injections of RNA-paclitaxel nanoparticles with specific cancer-targeting ligand dramatically inhibit breast cancer growth, with nearly undetectable toxicity and immune responses in mice. No fatalities are observed at a paclitaxel dose equal to the reported LD50. The use of ultra-thermostable RNA nanoparticles to deliver chemical prodrugs addresses issues with RNA unfolding and nanoparticle dissociation after high-density drug loading. This finding provides a stable nano-platform for chemo-drug delivery as well as an efficient method to solubilize hydrophobic drugs. Although paclitaxel is widely used as a chemotherapy, it suffers from poor solubility and toxicity issues. Here, the authors develop thermostable RNA nanoparticles and report the RNA-paclitaxel complex to display improved stability, drug loading capacity and solubility for improved targeted cancer therapy and reduced immune responses.
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22
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Recent advances in physiologically based pharmacokinetic and pharmacodynamic models for anticancer nanomedicines. Arch Pharm Res 2020; 43:80-99. [PMID: 31975317 DOI: 10.1007/s12272-020-01209-2] [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] [Received: 10/03/2019] [Accepted: 01/09/2020] [Indexed: 02/07/2023]
Abstract
Nanoparticles (NPs) have distinct pharmacokinetic (PK) properties and can potentially improve the absorption, distribution, metabolism, and elimination (ADME) of small-molecule drugs loaded therein. Owing to the unwanted toxicities of anticancer agents in healthy organs and tissues, their precise delivery to the tumor is an essential requirement. There have been numerous advancements in the development of nanomedicines for cancer therapy. Physiologically based PK (PBPK) models serve as excellent tools for describing and predicting the ADME properties and the efficacy and toxicity of drugs, in combination with pharmacodynamic (PD) models. The recent preliminary application of these modeling approaches to NPs demonstrated their potential benefits in research and development processes relevant to the ADME and pharmacodynamics of NPs and nanomedicines. Here, we comprehensively review the pharmacokinetics of NPs, the developed PBPK models for anticancer NPs, and the developed PD model for anticancer agents.
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