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Xin J, Lu X, Cao J, Wu W, Liu Q, Wang D, Zhou X, Ding D. Fluorinated Organic Polymers for Cancer Drug Delivery. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2404645. [PMID: 38678386 DOI: 10.1002/adma.202404645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2024] [Revised: 04/22/2024] [Indexed: 04/30/2024]
Abstract
In the realm of cancer therapy, the spotlight is on nanoscale pharmaceutical delivery systems, especially polymer-based nanoparticles, for their enhanced drug dissolution, extended presence in the bloodstream, and precision targeting achieved via surface engineering. Leveraging the amplified permeation and retention phenomenon, these systems concentrate therapeutic agents within tumor tissues. Nonetheless, the hurdles of systemic toxicity, biological barriers, and compatibility with living systems persist. Fluorinated polymers, distinguished by their chemical idiosyncrasies, are poised for extensive biomedical applications, notably in stabilizing drug metabolism, augmenting lipophilicity, and optimizing bioavailability. Material science heralds the advent of fluorinated polymers that, by integrating fluorine atoms, unveil a suite of drug delivery merits: the hydrophobic traits of fluorinated alkyl chains ward off lipid or protein disruption, the carbon-fluorine bond's stability extends the drug's lifecycle in the system, and a lower alkalinity coupled with a diminished ionic charge bolsters the drug's ability to traverse cellular membranes. This comprehensive review delves into the utilization of fluorinated polymers for oncological pharmacotherapy, elucidating their molecular architecture, synthetic pathways, and functional attributes, alongside an exploration of their empirical strengths and the quandaries they encounter in both experimental and clinical settings.
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Affiliation(s)
- Jingrui Xin
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Xue Lu
- Frontiers Science Center for New Organic Matter, Nankai International Advanced Research Institute (Shenzhen, Futian), and College of Life Sciences, Nankai University, Tianjin, 300071, China
| | - Jimin Cao
- Key Laboratory of Cellular Physiology at Shanxi Medical University, Ministry of Education, and First Clinical Medical College, Shanxi Medical University, Taiyuan, 030001, China
| | - Weihui Wu
- Frontiers Science Center for New Organic Matter, Nankai International Advanced Research Institute (Shenzhen, Futian), and College of Life Sciences, Nankai University, Tianjin, 300071, China
| | - Qian Liu
- Department of Urology, Tianjin First Central Hospital, Tianjin, 300192, China
| | - Deping Wang
- Key Laboratory of Cellular Physiology at Shanxi Medical University, Ministry of Education, and First Clinical Medical College, Shanxi Medical University, Taiyuan, 030001, China
| | - Xin Zhou
- Key Laboratory of Cellular Physiology at Shanxi Medical University, Ministry of Education, and First Clinical Medical College, Shanxi Medical University, Taiyuan, 030001, China
| | - Dan Ding
- Frontiers Science Center for New Organic Matter, Nankai International Advanced Research Institute (Shenzhen, Futian), and College of Life Sciences, Nankai University, Tianjin, 300071, China
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Mondal P, Dey J, Roy S, Bose Dasgupta S. Self-Assembly, In Vitro Gene Transfection, and Antimicrobial Activity of Biodegradable Cationic Bolaamphiphiles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023. [PMID: 37454394 DOI: 10.1021/acs.langmuir.3c00885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/18/2023]
Abstract
Bolaamphiphiles or bolaforms have drawn particular interest in drug and gene delivery, and studies of bolaforms have been growing continuously. Bolaforms, due to their unique structure, exhibit specific self-assembly behavior in water. The present work aims to develop biodegradable cationic bolaforms with a better gene transfection ability. In this work, a novel cationic bolaform (Bola-1) with head groups bearing hydroxyl (OH) functionality was designed and synthesized to investigate self-assembly and gene transfection efficiency. The self-assembly behavior of Bola-1 in water was compared with that of the hydrochloride salt (Bola-2) of its precursor molecule to investigate the effect of the -OH functionality on their solution properties. Several techniques, including surface tension, electrical conductivity, fluorescence probe, calorimetry, dynamic light scattering, and atomic force microscopy, were employed for the physicochemical characterization of Bola-1 and Bola-2. Despite the presence of polar urea groups in the spacer chain, both bolaforms were found to form spherical or elongated micelles above a relatively low critical aggregation concentration (CAC). The presence of the OH group was found to significantly affect the CAC value. The results of calorimetric measurements suggested a thermodynamically favorable aggregate formation in salt-free water. Despite stronger binding efficiency with calf thymus DNA, in vitro gene transfection studies performed using adherent cell Hek 293 suggested that both Bola-1 and Bola-2 have gene transfection efficiency comparable to that of turbofectamine standard. Both bolaforms were found to exhibit significant in vitro cytotoxicity at higher concentrations. Also, the bolaforms showed beneficial antibacterial activity at higher concentrations.
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Affiliation(s)
- Pabitra Mondal
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Joykrishna Dey
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Sadhana Roy
- Department of Biotechnology, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Somdeb Bose Dasgupta
- Department of Biotechnology, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
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Ding L, Rong G, Cheng Y. Fluorous Tagged Peptides for Intracellular Delivery and Biomedical Imaging. Macromol Biosci 2023; 23:e2300048. [PMID: 36918279 DOI: 10.1002/mabi.202300048] [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: 02/09/2023] [Revised: 03/06/2023] [Indexed: 03/16/2023]
Abstract
Fluorous tagged peptides have shown promising features for biomedical applications such as drug delivery and multimodal imaging. The bioconjugation of fluoroalkyl ligands onto cargo peptides greatly enhances their proteolytic stability and membrane penetration via a proposed "fluorine effect". The tagged peptides also efficiently deliver other biomolecules such as DNA and siRNA into cells via a co-assembly strategy. The fluoroalkyl chains on peptides with antifouling properties enable efficient gene delivery in the presence of serum proteins. Besides intracellular biomolecule delivery, the amphiphilic peptides can be used to stabilized perfluorocarbon-filled microbubbles for ultrasound imaging. The fluorine nucleus on fluoroalkyls provides intrinsic probes for background-free magnetic resonance imaging. Labeling of fluorous tags with radionuclide 18 F also allows tracing the biodistribution of peptides via positron emission tomography imaging. This mini-review will discuss properties and mechanism of the fluorous tagged peptides in these applications.
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Affiliation(s)
- Lei Ding
- Department of Ultrasound Medicine, Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, P. R. China
| | - Guangyu Rong
- South China Advanced Institute for Soft Matter Science and Technology, School of Emergent Soft Matter, South China University of Technology, Guangzhou, 510640, P. R. China
| | - Yiyun Cheng
- South China Advanced Institute for Soft Matter Science and Technology, School of Emergent Soft Matter, South China University of Technology, Guangzhou, 510640, P. R. China
- Shanghai Key Laboratory of Regulatory Biology, School of Life Sciences, East China Normal University, Shanghai, 200241, P. R. China
- Fengxian District Central Hospital-ECNU Joint Center of Translational Medicine, Fengxian District Central Hospital, Shanghai, 200241, P. R. China
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Chen J, Zhu D, Lian B, Shi K, Chen P, Li Y, Lin W, Ding L, Long Q, Wang Y, Laurini E, Lan W, Li Y, Tintaru A, Ju C, Zhang C, Pricl S, Iovanna J, Liu X, Peng L. Cargo-selective and adaptive delivery of nucleic acid therapeutics by bola-amphiphilic dendrimers. Proc Natl Acad Sci U S A 2023; 120:e2220787120. [PMID: 37186846 PMCID: PMC10214173 DOI: 10.1073/pnas.2220787120] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 04/16/2023] [Indexed: 05/17/2023] Open
Abstract
Nucleic acid therapeutics are becoming an important drug modality, offering the unique opportunity to address "undruggable" targets, respond rapidly to evolving pathogens, and treat diseases at the gene level for precision medicine. However, nucleic acid therapeutics have poor bioavailability and are chemolabile and enzymolabile, imposing the need for delivery vectors. Dendrimers, by virtue of their well-defined structure and cooperative multivalence, represent precision delivery systems. We synthesized and studied bola-amphiphilic dendrimers for cargo-selective and on-demand delivery of DNA and small interfering RNA (siRNA), both important nucleic acid therapeutics. Remarkably, superior performances were achieved for siRNA delivery with the second-generation dendrimer, yet for DNA delivery with the third generation. We systematically studied these dendrimers with regard to cargo binding, cellular uptake, endosomal release, and in vivo delivery. Differences in size both of the dendrimers and their nucleic acid cargos impacted the cooperative multivalent interactions for cargo binding and release, leading to cargo-adaptive and selective delivery. Moreover, both dendrimers harnessed the advantages of lipid and polymer vectors, while offering nanotechnology-based tumor targeting and redox-responsive cargo release. Notably, they allowed tumor- and cancer cell-specific delivery of siRNA and DNA therapeutics for effective treatment in different cancer models, including aggressive and metastatic malignancies, outperforming the currently available vectors. This study provides avenues to engineer tailor-made vectors for nucleic acid delivery and precision medicine.
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Affiliation(s)
- Jiaxuan Chen
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing211198, P. R. China
- Aix Marseille University, CNRS, Center Interdisciplinaire de Nanoscience de Marseille, UMR 7325, «Equipe Labellisée Ligue Contre le Cancer», Marseille13288, France
| | - Dandan Zhu
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing211198, P. R. China
| | - Baoping Lian
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing211198, P. R. China
| | - Kangjie Shi
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing211198, P. R. China
| | - Peng Chen
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing211198, P. R. China
- Aix Marseille University, CNRS, Center Interdisciplinaire de Nanoscience de Marseille, UMR 7325, «Equipe Labellisée Ligue Contre le Cancer», Marseille13288, France
| | - Ying Li
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing211198, P. R. China
| | - Wenyi Lin
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing211198, P. R. China
| | - Ling Ding
- Aix Marseille University, CNRS, Center Interdisciplinaire de Nanoscience de Marseille, UMR 7325, «Equipe Labellisée Ligue Contre le Cancer», Marseille13288, France
| | - Qiulin Long
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing211198, P. R. China
| | - Yang Wang
- Aix Marseille University, CNRS, Center Interdisciplinaire de Nanoscience de Marseille, UMR 7325, «Equipe Labellisée Ligue Contre le Cancer», Marseille13288, France
- Hubei Gedian Humanwell Pharmaceutical Co. Ltd., E-zhou436070, P. R. China
| | - Erik Laurini
- Department of Engineering and Architecture, Molecular Biology and Nanotechnology Laboratory, University of Trieste, Trieste34127, Italy
| | - Wenjun Lan
- Aix Marseille University, CNRS, Center Interdisciplinaire de Nanoscience de Marseille, UMR 7325, «Equipe Labellisée Ligue Contre le Cancer», Marseille13288, France
- Aix Marseille University, INSERM, Centre de Recherche en Cancérologie de Marseille, Institute Pauli-Calmettes, Marseille13273, France
| | - Yun Li
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing211198, P. R. China
| | - Aura Tintaru
- Aix Marseille University, CNRS, Center Interdisciplinaire de Nanoscience de Marseille, UMR 7325, «Equipe Labellisée Ligue Contre le Cancer», Marseille13288, France
| | - Caoyun Ju
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing211198, P. R. China
| | - Can Zhang
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing211198, P. R. China
| | - Sabrina Pricl
- Department of Engineering and Architecture, Molecular Biology and Nanotechnology Laboratory, University of Trieste, Trieste34127, Italy
- Department of General Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz90-136, Poland
| | - Juan Iovanna
- Aix Marseille University, INSERM, Centre de Recherche en Cancérologie de Marseille, Institute Pauli-Calmettes, Marseille13273, France
| | - Xiaoxuan Liu
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing211198, P. R. China
| | - Ling Peng
- Aix Marseille University, CNRS, Center Interdisciplinaire de Nanoscience de Marseille, UMR 7325, «Equipe Labellisée Ligue Contre le Cancer», Marseille13288, France
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5
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Vemuri GN, Hughes JR, Iovine PM. Synthesis and characterization of terpene-derived cationic bolaamphiphiles. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.133008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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6
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Yi S, Kim SY, Vincent MP, Yuk SA, Bobbala S, Du F, Scott EA. Dendritic peptide-conjugated polymeric nanovectors for non-toxic delivery of plasmid DNA and enhanced non-viral transfection of immune cells. iScience 2022; 25:104555. [PMID: 35769884 PMCID: PMC9234717 DOI: 10.1016/j.isci.2022.104555] [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: 12/23/2021] [Revised: 04/29/2022] [Accepted: 06/02/2022] [Indexed: 10/26/2022] Open
Abstract
Plasmid DNA (pDNA) transfection is advantageous for gene therapies requiring larger genetic elements, including "all-in-one" CRISPR/Cas9 plasmids, but is limited by toxicity as well as poor intracellular release and transfection efficiency in immune cell populations. Here, we developed a synthetic non-viral gene delivery platform composed of poly(ethylene glycol)-b-poly(propylene sulfide) copolymers linked to a cationic dendritic peptide (DP) via a reduceable bond, PEG-b-PPS-ss-DP (PPDP). A library of self-assembling PPDP polymers was synthesized and screened to identify optimal constructs capable of transfecting macrophages with small (pCMV-DsRed, 4.6 kb) and large (pL-CRISPR.EFS.tRFP, 11.7 kb) plasmids. The optimized PPDP construct transfected macrophages, fibroblasts, dendritic cells, and T cells more efficiently and with less toxicity than a commercial Lipo2K reagent, regardless of pDNA size and under standard culture conditions in the presence of serum. The PPDP technology described herein is a stimuli-responsive polymeric nanovector that can be leveraged to meet diverse challenges in gene delivery.
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Affiliation(s)
- Sijia Yi
- Department of Biomedical Engineering, Northwestern University, Evanston, IL 60208, USA
| | - Sun-Young Kim
- Department of Biomedical Engineering, Northwestern University, Evanston, IL 60208, USA.,SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University (SKKU), 2066 Seobu-ro, Jangan-gu, Suwon-si, Gyeonggi-do 16419, Republic of Korea
| | - Michael P Vincent
- Department of Biomedical Engineering, Northwestern University, Evanston, IL 60208, USA
| | - Simseok A Yuk
- Department of Biomedical Engineering, Northwestern University, Evanston, IL 60208, USA
| | - Sharan Bobbala
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, Morgantown, WV 26505, USA
| | - Fanfan Du
- Department of Biomedical Engineering, Northwestern University, Evanston, IL 60208, USA
| | - Evan Alexander Scott
- Department of Biomedical Engineering, Northwestern University, Evanston, IL 60208, USA.,Simpson Querrey Institute, Northwestern University, Chicago, IL 60611, USA.,Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL 60611, USA.,Department of Microbiology-Immunology, Northwestern University, Chicago, IL 60611, USA
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7
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Liu XY, Zhang X, Yang JB, Wu CY, Wang Q, Lu ZL, Tang Q. Multifunctional amphiphilic peptide dendrimer as nonviral gene vectors for effective cancer therapy via combined gene/photodynamic therapies. Colloids Surf B Biointerfaces 2022; 217:112651. [PMID: 35759892 DOI: 10.1016/j.colsurfb.2022.112651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 06/15/2022] [Accepted: 06/17/2022] [Indexed: 10/18/2022]
Abstract
Gene therapy holds great promise for treatment of gene-associated diseases. However, safe and successful clinical application urgently requires further advancement of constructing efficient delivery systems. Herein, three amphiphilic peptide dendrimers (TTC-L-KRR/KKK/KHH), containing the natural amino acid residues (lysine K, arginine R, and histidine H) and AIE-based photosensitizer (tetraphenylethenethiophene modified cyanoacrylate, TTC) modified with alkyl chain (L), have been designed and prepared for improving therapeutic potency via the combination of gene therapy (GT) and photodynamic therapy (PDT). All three compounds possessed typical aggregation-induced emission (AIE) characteristics and ultralow critical micelle concentrations (CMCs). The liposomes consisting of amphiphilic peptide dendrimers and dioleoylphosphatidylethanolamine (DOPE) can effectively bind DNA into nanoparticles with appropriate sizes, regular morphology and good biocompatibility. Among them, liposomes TTC-L-KKK/DOPE exhibited the highest transfection efficiency up to 5.7-fold as compared with Lipo2000 in HeLa cells. Meanwhile, rapid endocytosis, successful endo/lysosomal escape, gene release and rapid nuclear delivery of DNA revealed the superiority of liposomes TTC-L-KKK/DOPE during gene delivery process. More importantly, efficient reactive oxygen species (ROS) generation by TTC-L-KKK/DOPE led to effective PDT, thus improving therapeutic potency via combining with p53 mediated-gene therapy. Our work brought novel insight and direction for the construction of bio-safe and bio-imaging liposome as the multifunctional nonviral gene vectors for the effective combined gene/photodynamic therapies.
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Affiliation(s)
- Xu-Ying Liu
- Key Laboratory of Radiopharmaceuticals, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Xi Zhang
- Key Laboratory of Radiopharmaceuticals, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Jing-Bo Yang
- Key Laboratory of Radiopharmaceuticals, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Cheng-Yan Wu
- Key Laboratory of Radiopharmaceuticals, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Qian Wang
- Key Laboratory of Radiopharmaceuticals, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Zhong-Lin Lu
- Key Laboratory of Radiopharmaceuticals, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing 100875, China.
| | - Quan Tang
- Key Laboratory of Radiopharmaceuticals, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing 100875, China.
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Qiu J, Fan Q, Xu S, Wang D, Chen J, Wang S, Hu T, Ma X, Cheng Y, Xu L. A fluorinated peptide with high serum- and lipid-tolerence for the delivery of siRNA drugs to treat obesity and metabolic dysfunction. Biomaterials 2022; 285:121541. [DOI: 10.1016/j.biomaterials.2022.121541] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 04/14/2022] [Accepted: 04/22/2022] [Indexed: 12/12/2022]
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9
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Chen J, Zhu D, Liu X, Peng L. Amphiphilic Dendrimer Vectors for RNA Delivery: State-of-the-Art and Future Perspective. ACCOUNTS OF MATERIALS RESEARCH 2022; 3:484-497. [PMID: 35782755 PMCID: PMC9245573 DOI: 10.1021/accountsmr.1c00272] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 02/27/2022] [Indexed: 05/05/2023]
Abstract
Dendrimers, a special family of polymers, are particularly promising materials for various biomedical applications by virtue of their well-defined dendritic structure and cooperative multivalency. Specifically, in this Account, we present state-of-the-art amphiphilic dendrimers for nucleic acid delivery. Ribonucleic acid (RNA) molecules are fast becoming an important drug modality, particularly since the recent success of mRNA vaccines against COVID-19. Notably, RNA therapeutics offer the unique opportunity to treat diseases at the gene level and address "undruggable" targets. However, RNA therapeutics are not stable and have poor bioavailability, imposing the need for their protection and safe delivery by vectors to the sites-of-action to allow the desired therapeutic effects. Currently, the two most advanced nonviral vectors are based on lipids and polymers, with lipid vectors primarily exploiting the membrane-fusion mechanism and polymer vectors mainly endocytosis-mediated delivery. Notably, only lipid vectors have been advanced through to their clinical use in the delivery of, for example, the first siRNA drug and the first mRNA vaccine. The success of lipid vectors for RNA delivery has motivated research for further innovative materials as delivery vectors. Specifically, we have pioneered lipid/dendrimer conjugates, referred to as amphiphilic dendrimers, for siRNA delivery with the view to harnessing the delivery advantages of both lipid and polymer vectors while enjoying the unique structural features of dendrimers. These amphiphilic dendrimer vectors are lipid/dendrimer hybrids and are thus able to mimic lipid vectors and exploit membrane-fusion-mediated delivery, while simultaneously retaining the multivalent properties of polymer vectors that allow endocytosis-based delivery. In addition, they have precisely controllable and stable nanosized chemical structures and offer nanotechnology-based delivery. Effective amphiphilic dendrimer vectors share two important elements: chemical hydrophilic entities to bind RNA and RNA complex-stabilizing hydrophobicity. These two combined features allow the encapsulation of RNA within a stable complex before its release into the cytosol following endocytosis. This hydrophilic/hydrophobic balance permitted by the structural features of amphiphilic dendrimers plays a determining role in RNA delivery success. In this Account, we provide a conceptual overview of this exciting field with the latest breakthroughs and key advances in the design of amphiphilic dendrimers for the delivery of siRNA and mRNA. Specifically, we start with a short introduction to siRNA- and mRNA-based therapeutics and their delivery challenges. We then outline the pioneering and representative studies on amphiphilic dendrimer vectors to highlight their historical development and promising features that offer to facilitate the once challenging RNA delivery. We conclude by offering perspectives for the future of amphiphilic dendrimer vectors for nucleic acid delivery in general.
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Affiliation(s)
- Jiaxuan Chen
- Aix
Marseille Université, CNRS, Center Interdisciplinaire de Nanoscience
de Marseille, CINaM UMR 7325, “Equipe Labellisée Ligue
Contre le Cancer”, 13288 Marseille, France
- State
Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of
Drug Discovery for Metabolic Diseases, Center of Drug Discovery, Center
of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, 210009 Nanjing, P. R. China
| | - Dandan Zhu
- State
Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of
Drug Discovery for Metabolic Diseases, Center of Drug Discovery, Center
of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, 210009 Nanjing, P. R. China
| | - Xiaoxuan Liu
- State
Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of
Drug Discovery for Metabolic Diseases, Center of Drug Discovery, Center
of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, 210009 Nanjing, P. R. China
| | - Ling Peng
- Aix
Marseille Université, CNRS, Center Interdisciplinaire de Nanoscience
de Marseille, CINaM UMR 7325, “Equipe Labellisée Ligue
Contre le Cancer”, 13288 Marseille, France
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10
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Li F, Harvey RD, Modicano P, Hamdi F, Kyrilis F, Müller S, Gruhle K, Kastritis P, Drescher S, Dailey LA. Investigating bolalipids as solubilizing agents for poorly soluble drugs: Effects of alkyl chain length on solubilization and cytotoxicity. Colloids Surf B Biointerfaces 2022; 212:112369. [PMID: 35123195 DOI: 10.1016/j.colsurfb.2022.112369] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 01/17/2022] [Accepted: 01/23/2022] [Indexed: 01/31/2023]
Abstract
Synthetic single-chain bolalipids with symmetrical headgroups have shown potential in various pharmaceutical applications, such as the stabilization of liposome bilayers. Despite their amphiphilic character, synthetic bolalipids have not yet been investigated for their suitability as solubilizing agents for poorly soluble drug compounds. In this study, three synthetic single-chain bolalipids with increasing alkyl chain lengths (C22, C24 and C26) were investigated. All three bolalipids were able to achieve an increased solubility of the model drug, mefenamic acid, by approximately 180% in a pH 7.4 buffer compared to only a 102-105% increase achieved by sodium dodecyl sulfate (SDS) or the non-ionic surfactant pegylated hydroxystearate (PEG-HS). Subsequently, interfacial activity of bolalipids and their ability to destabilize liposomal bilayers were investigated. The C22 bolalipid exhibited a consistently lower interfacial activity, which was consistent with its significantly lower cytotoxicity in the macrophage-like cell line, J774. A1, compared to C24 and C26 counterparts. The mean IC50 values of the bolalipids tested (0.035-0.093 mM) were approximately 4-100-fold lower than that of SDS (0.401 mM) or PEG-HS (0.922 mM), with the mechanism of toxicity linked to increased cell membrane permeability, as is expected for surfactants. In summary, evidence from this study shows that decreasing the length of the bolalipid alkyl linker from C26 to C22 resulted in a significantly decreased cytotoxicity with no loss in drug solubilization efficiency.
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Affiliation(s)
- Feng Li
- Department of Pharmaceutical Sciences, University of Vienna, Althanstraße 14, A-1090 Vienna, Austria
| | - Richard D Harvey
- Department of Pharmaceutical Sciences, University of Vienna, Althanstraße 14, A-1090 Vienna, Austria
| | - Paola Modicano
- Institute of Pharmacy, Department of Pharmaceutical Technology and Biopharmaceutics, Martin Luther University (MLU) Halle-Wittenberg, Kurt-Mothes-Str. 3, 06120 Halle (Saale), Germany
| | - Farzad Hamdi
- Biozentrum, MLU Halle-Wittenberg, Weinbergweg 22, Halle/Saale, Germany; Interdisciplinary Research Center HALOmem, Charles Tanford Protein Center, MLU Halle-Wittenberg, Kurt-Mothes-Str. 3a, 06120 Halle (Saale), Germany
| | - Fotios Kyrilis
- Biozentrum, MLU Halle-Wittenberg, Weinbergweg 22, Halle/Saale, Germany; Interdisciplinary Research Center HALOmem, Charles Tanford Protein Center, MLU Halle-Wittenberg, Kurt-Mothes-Str. 3a, 06120 Halle (Saale), Germany
| | - Sindy Müller
- Institute of Pharmacy, Department of Pharmaceutical Chemistry, MLU Halle-Wittenberg, Wolfgang-Langenbeck-Str. 4, 06120 Halle (Saale), Germany
| | - Kai Gruhle
- Institute of Pharmacy, Department of Pharmaceutical Chemistry, MLU Halle-Wittenberg, Wolfgang-Langenbeck-Str. 4, 06120 Halle (Saale), Germany
| | - Panagiotis Kastritis
- Biozentrum, MLU Halle-Wittenberg, Weinbergweg 22, Halle/Saale, Germany; Interdisciplinary Research Center HALOmem, Charles Tanford Protein Center, MLU Halle-Wittenberg, Kurt-Mothes-Str. 3a, 06120 Halle (Saale), Germany
| | - Simon Drescher
- Phospholipid Research Center, Im Neuenheimer Feld 515, 69120 Heidelberg, Germany
| | - Lea Ann Dailey
- Department of Pharmaceutical Sciences, University of Vienna, Althanstraße 14, A-1090 Vienna, Austria.
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11
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Wang J, Chen G, Liu N, Han X, Zhao F, Zhang L, Chen P. Strategies for improving the safety and RNAi efficacy of noncovalent peptide/siRNA nanocomplexes. Adv Colloid Interface Sci 2022; 302:102638. [PMID: 35299136 DOI: 10.1016/j.cis.2022.102638] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 03/04/2022] [Accepted: 03/04/2022] [Indexed: 12/12/2022]
Abstract
In the past decades, the striking development of cationic polypeptides and cell-penetrating peptides (CPPs) tailored for small interfering RNA (siRNA) delivery has been fuelled by the conception of nuclear acid therapy and precision medicine. Owing to their amino acid compositions, inherent secondary structures as well as diverse geometrical shapes, peptides or peptide-containing polymers exhibit good biodegradability, high flexibility, and bio-functional diversity as nonviral siRNA vectors. Also, a variety of noncovalent nanocomplexes could be built via self-assembling and electrostatic interactions between cationic peptides and siRNAs. Although the peptide/siRNA nanocomplex-based RNAi therapies, STP705 and MIR-19, are under clinical trials, a guideline addressing the current bottlenecks of peptide/siRNA nanocomplex delivery is in high demand for future research and development. In this review, we present strategies for improving the safety and RNAi efficacy of noncovalent peptide/siRNA nanocomplexes in the treatment of genetic disorders. Through thorough analysis of those RNAi formulations using different delivery strategies, we seek to shed light on the rationale of peptide design and modification in constructing robust siRNA delivery systems, including targeted and co-delivery systems. Based on this, we provide a timely and comprehensive understanding of how to engineer biocompatible and efficient peptide-based siRNA vectors.
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Affiliation(s)
- Jun Wang
- Department of Chemical Engineering and Waterloo Institute for Nanotechnology, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada
| | - Guang Chen
- Department of Chemical Engineering and Waterloo Institute for Nanotechnology, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada; Key Laboratory of Chemical Additives for China National Light Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China.
| | - Nan Liu
- Advanced Materials Institute, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250014, China
| | - Xiaoxia Han
- Department of Chemical Engineering and Waterloo Institute for Nanotechnology, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada
| | - Feng Zhao
- Department of Chemical Engineering and Waterloo Institute for Nanotechnology, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada
| | - Lei Zhang
- Department of Chemical Engineering and Waterloo Institute for Nanotechnology, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada
| | - P Chen
- Department of Chemical Engineering and Waterloo Institute for Nanotechnology, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada; Advanced Materials Institute, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250014, China.
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12
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Lv J, Wang H, Rong G, Cheng Y. Fluorination Promotes the Cytosolic Delivery of Genes, Proteins, and Peptides. Acc Chem Res 2022; 55:722-733. [PMID: 35175741 DOI: 10.1021/acs.accounts.1c00766] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The cytosolic delivery of biomolecules such as genes, proteins, and peptides is of great importance for biotherapy but usually limited by multiple barriers during the process. Cell membrane with high hydrophobic character is one of the representative biological barriers for cytosolic delivery. The introduction of hydrophobic ligands such as aliphatic lipids onto materials or biomolecules could improve their membrane permeability. However, these ligands are lipophilic and tend to interact with the phospholipids in the membrane as well as serum proteins, which may hinder efficient intracellular delivery. To solve this issue, our research group proposed the use of fluorous ligands with both hydrophobicity and lipophobicity as ideal alternatives to aliphatic lipids to promote cytosolic delivery.In our first attempt, fluorous ligands were conjugated onto cationic polymers to increase their gene delivery efficacy. The fluorination dramatically increased the gene delivery performance at low polymer doses. In addition, the strategy greatly improved the serum tolerance of cationic polymers, which is critical for efficient gene delivery in vivo. Besides serum tolerance, mechanism studies revealed that fluorination increases multiple steps such as cellular uptake and endosomal escape. Fluorination also allowed the assembly of low-molecular-weight polymers and achieved highly efficient gene delivery with minimal material toxicity. The method showed robust efficiency for polymers, including linear polymers, branched polymers, dendrimers, bola amphiphilies, and dendronized polymers.Besides gene delivery, fluorinated polymers were also used for intracellular protein delivery via a coassembly strategy. For this purpose, two lead fluoropolymers were screened from a library of amphiphilic materials. The fluoropolymers are greatly superior to their nonfluorinated analogues conjugated with aliphatic lipids. The fluorous lipids are beneficial for polymer assembly and protein encapsulation, reduced protein denaturation, facilitated endocytosis, and decreased polymer toxicity compared to nonfluorinated lipids. The materials exhibited potent efficacy in therapeutic protein and peptide delivery to achieve cancer therapy and were able to fabricate a personalized nanovaccine for cancer immunotherapy. Finally, the fluorous lipids were directly conjugated to peptides via a disulfide bond for cytosolic peptide delivery. Fluorous lipids drive the assembly of cargo peptides into uniform nanoparticles with much improved proteolytic stability and promote their delivery into various types of cells. The delivery efficacy of this strategy is greatly superior to traditional techniques such as cell-penetrating peptides both in vitro and in vivo. Overall, the fluorination techniques provide efficient and promising strategies for the cytosolic delivery of biomolecules.
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Affiliation(s)
- Jia Lv
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Shanghai Key Laboratory of Regulatory Biology, School of Life Sciences, East China Normal University, Shanghai 200241, P. R. China
| | - Hui Wang
- South China Advanced Institute for Soft Matter Science and Technology, Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, School of Molecular Science and Engineering, South China University of Technology, Guangzhou 510640, P. R. China
| | - Guangyu Rong
- South China Advanced Institute for Soft Matter Science and Technology, Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, School of Molecular Science and Engineering, South China University of Technology, Guangzhou 510640, P. R. China
| | - Yiyun Cheng
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Shanghai Key Laboratory of Regulatory Biology, School of Life Sciences, East China Normal University, Shanghai 200241, P. R. China
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13
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Xie F, Li R, Shu W, Zhao L, Wan J. Self-assembly of Peptide dendrimers and their bio-applications in theranostics. Mater Today Bio 2022; 14:100239. [PMID: 35295319 PMCID: PMC8919296 DOI: 10.1016/j.mtbio.2022.100239] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 03/04/2022] [Accepted: 03/06/2022] [Indexed: 12/22/2022] Open
Abstract
Nanotechnology has brought revolutionized advances in disease diagnosis and therapy. Self-assembled peptide dendrimers own novel physicochemical properties through the synergistic effects of the polypeptide chain, dendrimer and nano-structure, exhibiting great potential in theranostic. This review provides comprehensive insights into various peptide dendrimers for self-assembly. Their nanosize, morphology and composition are presented to understand self-assembly behaviors precisely. We further introduce the emerging theranostic applications based on specific imaging and efficient delivery recently.
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Affiliation(s)
- Fengjuan Xie
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, PR China
| | - Rongxin Li
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, PR China
| | - Weikang Shu
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, PR China
| | - Liang Zhao
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, PR China
| | - Jingjing Wan
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, PR China
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14
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Zhang C, Yan K, Fu C, Peng H, Hawker CJ, Whittaker AK. Biological Utility of Fluorinated Compounds: from Materials Design to Molecular Imaging, Therapeutics and Environmental Remediation. Chem Rev 2022; 122:167-208. [PMID: 34609131 DOI: 10.1021/acs.chemrev.1c00632] [Citation(s) in RCA: 117] [Impact Index Per Article: 58.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
The applications of fluorinated molecules in bioengineering and nanotechnology are expanding rapidly with the controlled introduction of fluorine being broadly studied due to the unique properties of C-F bonds. This review will focus on the design and utility of C-F containing materials in imaging, therapeutics, and environmental applications with a central theme being the importance of controlling fluorine-fluorine interactions and understanding how such interactions impact biological behavior. Low natural abundance of fluorine is shown to provide sensitivity and background advantages for imaging and detection of a variety of diseases with 19F magnetic resonance imaging, 18F positron emission tomography and ultrasound discussed as illustrative examples. The presence of C-F bonds can also be used to tailor membrane permeability and pharmacokinetic properties of drugs and delivery agents for enhanced cell uptake and therapeutics. A key message of this review is that while the promise of C-F containing materials is significant, a subset of highly fluorinated compounds such as per- and polyfluoroalkyl substances (PFAS), have been identified as posing a potential risk to human health. The unique properties of the C-F bond and the significant potential for fluorine-fluorine interactions in PFAS structures necessitate the development of new strategies for facile and efficient environmental removal and remediation. Recent progress in the development of fluorine-containing compounds as molecular imaging and therapeutic agents will be reviewed and their design features contrasted with environmental and health risks for PFAS systems. Finally, present challenges and future directions in the exploitation of the biological aspects of fluorinated systems will be described.
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Affiliation(s)
- Cheng Zhang
- Australian Institute for Bioengineering and Nanotechnology, University of Queensland, Brisbane, Queensland 4072, Australia
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, University of Queensland, Brisbane, Queensland 4072, Australia
- Materials Research Laboratory, University of California, Santa Barbara, California 93106, United States
| | - Kai Yan
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
- National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, Xi'an 710021, China
- Xi'an Key Laboratory of Green Chemicals and Functional Materials, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Changkui Fu
- Australian Institute for Bioengineering and Nanotechnology, University of Queensland, Brisbane, Queensland 4072, Australia
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, University of Queensland, Brisbane, Queensland 4072, Australia
| | - Hui Peng
- Australian Institute for Bioengineering and Nanotechnology, University of Queensland, Brisbane, Queensland 4072, Australia
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, University of Queensland, Brisbane, Queensland 4072, Australia
| | - Craig J Hawker
- Materials Research Laboratory, University of California, Santa Barbara, California 93106, United States
- Materials Department, University of California, Santa Barbara, California 93106, United States
- Department of Chemistry & Biochemistry, University of California, Santa Barbara, California 93106, United States
| | - Andrew K Whittaker
- Australian Institute for Bioengineering and Nanotechnology, University of Queensland, Brisbane, Queensland 4072, Australia
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, University of Queensland, Brisbane, Queensland 4072, Australia
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15
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Lebedenko CG, Banerjee IA. Investigation of Self‐Assembly of Symmetric and Asymmetric Peptide Bolaamphiphiles by COSMO‐RS and Atomistic Simulations and Their Interactions with POPC Bilayers. MACROMOL THEOR SIMUL 2021. [DOI: 10.1002/mats.202100066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
| | - Ipsita A. Banerjee
- Department of Chemistry Fordham University 441 East Fordham Road Bronx NY 10458 USA
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16
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Lee H, Kim H, Lee SY. Self-Assembling Peptidic Bolaamphiphiles for Biomimetic Applications. ACS Biomater Sci Eng 2021; 7:3545-3572. [PMID: 34309378 DOI: 10.1021/acsbiomaterials.1c00576] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Bolaamphiphile, which is a class of amphiphilic molecules, has a unique structure of two hydrophilic head groups at the ends of the hydrophobic center. Peptidic bolaamphiphiles that employ peptides or amino acids as their hydrophilic groups exhibit unique biochemical activities when they self-organize into supramolecular structures, which are not observed in a single molecule. The self-assembled peptidic bolaamphiphiles hold considerable promise for imitating proteins with biochemical activities, such as specific affinity toward heterogeneous substances, a catalytic activity similar to a metalloenzyme, physicochemical activity from harmonized amino acid segments, and the capability to encapsulate genes like a viral vector. These diverse activities give rise to large research interest in biomaterials engineering, along with the synthesis and characterization of the assembled structures. This review aims to address the recent progress in the applications of peptidic bolaamphiphile assemblies whose densely packed peptide motifs on their surface and their stacked hydrophobic centers exhibit unique protein-like activity and designer functionality, respectively.
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Affiliation(s)
- Hyesung Lee
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Hanbee Kim
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Sang-Yup Lee
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
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17
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Wang W, Zhang Q, Li Z, Zhang J, Pan D, Wang B, Zhu H, Zhang H, Gu Z, Luo K. Dendron-Functionalized Polyglutamate-Pyropheophorbide-a Conjugates as Nanomedicines for Breast Cancer Photodynamic Therapy. Macromol Rapid Commun 2021; 42:e2100013. [PMID: 33759304 DOI: 10.1002/marc.202100013] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 01/25/2021] [Indexed: 02/05/2023]
Abstract
Photodynamic therapy (PDT) has shown its promise in the treatment of cancer. Herein, a dendron-functionalized polyglutamic acid (PGA) polymer (PG-L8G-Ppa-Dendron, PGPD) is synthesized and it is conjugated with pyropheophorbide-a (Ppa) for the first time to treat triple negative breast cancer (TNBC), whereas a linear polyglutamate-Ppa conjugate (PGP) is synthesized as a control. Compared to the linear counterpart, the glycosylated polymer-based PGPD with a dendritic structure has excellent solubility and it self-assembles to form uniform-sized nanoparticles. PGPD displays a highly effective PDT effect in the animal model, evidenced with effective induction of reactive oxygen species (ROS) production and cell apoptosis. This may be due to an enhanced efficiency in delivery and accumulation of Ppa by this glycosylated dendritic polymer at tumor sites. Therefore, PGPD can be a highly effective and biosafe nanoagent for PDT of TNBC.
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Affiliation(s)
- Wenjia Wang
- Huaxi MR Research Center (HMRRC), Department of Radiology, Functional and Molecular Imaging Key Laboratory of Sichuan Province, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Qianfeng Zhang
- Huaxi MR Research Center (HMRRC), Department of Radiology, Functional and Molecular Imaging Key Laboratory of Sichuan Province, West China Hospital, Sichuan University, Chengdu, 610041, China.,School of Chemistry and Chemical Engineering, Mianyang Normal University, Mianyang, 621000, China
| | - Zhiqian Li
- Huaxi MR Research Center (HMRRC), Department of Radiology, Functional and Molecular Imaging Key Laboratory of Sichuan Province, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Jing Zhang
- Huaxi MR Research Center (HMRRC), Department of Radiology, Functional and Molecular Imaging Key Laboratory of Sichuan Province, West China Hospital, Sichuan University, Chengdu, 610041, China.,Department of Applied Chemistry, Faculty of Science, Sichuan Agricultural University, Yaan, 625014, China
| | - Dayi Pan
- Huaxi MR Research Center (HMRRC), Department of Radiology, Functional and Molecular Imaging Key Laboratory of Sichuan Province, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Bing Wang
- Huaxi MR Research Center (HMRRC), Department of Radiology, Functional and Molecular Imaging Key Laboratory of Sichuan Province, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Hongyan Zhu
- Huaxi MR Research Center (HMRRC), Department of Radiology, Functional and Molecular Imaging Key Laboratory of Sichuan Province, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Hu Zhang
- Amgen Bioprocessing Centre, Keck Graduate Institute, Claremont, CA, 91711, USA
| | - Zhongwei Gu
- Huaxi MR Research Center (HMRRC), Department of Radiology, Functional and Molecular Imaging Key Laboratory of Sichuan Province, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Kui Luo
- Huaxi MR Research Center (HMRRC), Department of Radiology, Functional and Molecular Imaging Key Laboratory of Sichuan Province, West China Hospital, Sichuan University, Chengdu, 610041, China
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18
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Wang H, Zhang S, Lv J, Cheng Y. Design of polymers for siRNA delivery: Recent progress and challenges. VIEW 2021. [DOI: 10.1002/viw.20200026] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Affiliation(s)
- Hui Wang
- South China Advanced Institute for Soft Matter Science and Technology School of Molecular Science and Engineering South China University of Technology Guangzhou China
| | - Song Zhang
- South China Advanced Institute for Soft Matter Science and Technology School of Molecular Science and Engineering South China University of Technology Guangzhou China
| | - Jia Lv
- South China Advanced Institute for Soft Matter Science and Technology School of Molecular Science and Engineering South China University of Technology Guangzhou China
| | - Yiyun Cheng
- South China Advanced Institute for Soft Matter Science and Technology School of Molecular Science and Engineering South China University of Technology Guangzhou China
- Shanghai Key Laboratory of Regulatory Biology School of Life Sciences East China Normal University Shanghai China
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19
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Hughes JR, Miller AS, Wallace CE, Vemuri GN, Iovine PM. Biomedically Relevant Applications of Bolaamphiphiles and Bolaamphiphile-Containing Materials. Front Chem 2021; 8:604151. [PMID: 33553103 PMCID: PMC7855593 DOI: 10.3389/fchem.2020.604151] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 12/15/2020] [Indexed: 12/28/2022] Open
Abstract
Bolaamphiphiles (BAs) are structurally segmented molecules with rich assembly characteristics and diverse physical properties. Interest in BAs as standalone active agents or as constituents of more complex therapeutic formulations has increased substantially in recent years. The preorganized amphiphilicity of BAs allows for a range of biological activities including applications that rely on multivalency. This review summarizes BA-related research in biomedically relevant areas. In particular, we review BA-related literature in four areas: gene delivery, antimicrobial materials, hydrogels, and prodrugs. We also discuss several distinguishing characteristics of BAs that impact their utility as biomedically relevant compounds.
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Affiliation(s)
| | | | | | | | - Peter M. Iovine
- Department of Chemistry and Biochemistry, University of San Diego, San Diego, CA, United States
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20
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Lv J, Cheng Y. Fluoropolymers in biomedical applications: state-of-the-art and future perspectives. Chem Soc Rev 2021; 50:5435-5467. [DOI: 10.1039/d0cs00258e] [Citation(s) in RCA: 67] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Biomedical applications of fluoropolymers in gene delivery, protein delivery, drug delivery, 19F MRI, PDT, anti-fouling, anti-bacterial, cell culture, and tissue engineering.
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Affiliation(s)
- Jia Lv
- Shanghai Key Laboratory of Regulatory Biology
- School of Life Sciences
- East China Normal University
- Shanghai
- China
| | - Yiyun Cheng
- Shanghai Key Laboratory of Regulatory Biology
- School of Life Sciences
- East China Normal University
- Shanghai
- China
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21
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Miller MA, Sletten EM. Perfluorocarbons in Chemical Biology. Chembiochem 2020; 21:3451-3462. [PMID: 32628804 PMCID: PMC7736518 DOI: 10.1002/cbic.202000297] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 07/03/2020] [Indexed: 01/10/2023]
Abstract
Perfluorocarbons, saturated carbon chains in which all the hydrogen atoms are replaced with fluorine, form a separate phase from both organic and aqueous solutions. Though perfluorinated compounds are not found in living systems, they can be used to modify biomolecules to confer orthogonal behavior within natural systems, such as improved stability, engineered assembly, and cell-permeability. Perfluorinated groups also provide handles for purification, mass spectrometry, and 19 F NMR studies in complex environments. Herein, we describe how the unique properties of perfluorocarbons have been employed to understand and manipulate biological systems.
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Affiliation(s)
- Margeaux A Miller
- Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E Young Dr E, Los Angeles, CA, 90095, USA
| | - Ellen M Sletten
- Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E Young Dr E, Los Angeles, CA, 90095, USA
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22
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Nargis M, Ihsan AB, Koyama Y. Thermoresponsive Structure and Dye Encapsulation of Micelles Comprising Bolaamphiphilic Quercetin Polyglycoside. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:10764-10771. [PMID: 32816497 DOI: 10.1021/acs.langmuir.0c01564] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
A bolaamphiphile is a special member of amphiphilic molecules, which contains a hydrophobic skeleton and two water-soluble groups on both ends. Bolaamphiphiles form thermally stable associates in water under lower concentration than those of typical monoheaded amphiphiles, indicating the potential usefulness of bolaamphiphiles as the component of nanomaterials. However, the structural diversity of bolaamphiphiles is limited at this moment. We recently developed the synthesis of quercetin-3-O-polyglycoside (QP) as a new entry of bolaamphiphiles via a one-pot polymerization using sugar-based cyclic sulfite initiated by quercetin skeleton. Herein, we show the bolaamphiphilic properties of QP in detail. The micellization behaviors of QP are systematically investigated through comparison with those of quercetin (Que) and isoquercitrin (IQ) to evaluate the roles of glycone on the micellization of quercetin derivatives. The morphology of the micelles bearing QP is observed by cryo-transmission electron microscopy (cryo-TEM), suggesting the formation of bolaamphiphile-specific giant ribbon-like micelles in addition to spherical micelles. The thermoresponsive micellization behaviors are also discussed through the critical micelle concentration (CMC) values, the dynamic light scattering analyses at various temperatures, and thermal hysteresis of the micellizations. It is indicated that the polysaccharide chains integrated on the surface of micelles would serve as a steric protecting group to endow the micelles with kinetic stability. These results will shed light on natural glycoside skeletons to design a new class of micelles for advanced health applications in near future.
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Affiliation(s)
- Mahmuda Nargis
- Department of Pharmaceutical Engineering, Faculty of Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan
| | - Abu Bin Ihsan
- Department of Pharmaceutical Engineering, Faculty of Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan
| | - Yasuhito Koyama
- Department of Pharmaceutical Engineering, Faculty of Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan
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23
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Nargis M, Ihsan AB, Koyama Y. Effects of Sugar Chain Length of Quercetin-3-O-glycosides on Micellization in Aqueous Media. CHEM LETT 2020. [DOI: 10.1246/cl.200270] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Mahmuda Nargis
- Department of Pharmaceutical Engineering, Faculty of Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan
| | - Abu Bin Ihsan
- Department of Pharmaceutical Engineering, Faculty of Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan
| | - Yasuhito Koyama
- Department of Pharmaceutical Engineering, Faculty of Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan
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24
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Zhang C, Liu T, Wang W, Bell CA, Han Y, Fu C, Peng H, Tan X, Král P, Gaus K, Gooding JJ, Whittaker AK. Tuning of the Aggregation Behavior of Fluorinated Polymeric Nanoparticles for Improved Therapeutic Efficacy. ACS NANO 2020; 14:7425-7434. [PMID: 32401485 DOI: 10.1021/acsnano.0c02954] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Incorporation of fluorinated moieties in polymeric nanoparticles has been shown in many instances to increase their uptake by living cells and, hence, has proven to be a useful approach to enhancing delivery to cells. However, it remains unclear how incorporation of fluorine affects critical transport processes, such as interactions with membranes, intracellular transport, and tumor penetration. In this study, we investigate the influence of fluorine on transport properties using a series of rationally designed poly(oligo(ethylene glycol) methyl ether acrylate)-block-perfluoropolyether (poly(OEGA)m-PFPE) copolymers. Copolymers with different fluorine contents were prepared and exhibit aggregate in solution in a manner dependent on the fluorine content. Doxorubicin-conjugated poly(OEGA)20-PFPE nanoparticles with lower fluorine content exist in solution as unimers, leading to greater exposure of hydrophobic PFPE segments to the cell surface. This, in turn, results in greater cellular uptake, deeper tumor penetration, as well as enhanced therapeutic efficacy compared to that with the micelle-state nanoaggregates (poly(OEGA)10-PFPE and poly(OEGA)5-PFPE) with higher fluorine content but with less PFPE exposed to the cell membranes. Our results demonstrate that the aggregation behavior of these fluorinated polymers plays a critical role in internalization and transport in living cells and 3D spheroids, providing important design criteria for the preparation of highly effective delivery agents.
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Affiliation(s)
- Cheng Zhang
- Materials Research Laboratory, University of California, Santa Barbara, California 93106, United States
| | - Tianqing Liu
- QIMR Berghofer Medical Research Institute, Brisbane, Qld 4006, Australia
| | | | | | | | | | | | | | - Petr Král
- Department of Biopharmaceutical Sciences, University of Illinois at Chicago, Chicago, Illinois 60612, United States
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25
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Heitz M, Zamolo S, Javor S, Reymond JL. Fluorescent Peptide Dendrimers for siRNA Transfection: Tracking pH Responsive Aggregation, siRNA Binding, and Cell Penetration. Bioconjug Chem 2020; 31:1671-1684. [PMID: 32421327 DOI: 10.1021/acs.bioconjchem.0c00231] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Transfecting nucleic acids into various cells is a key procedure in biological research also envisioned for therapeutic applications. In our effort to obtain simple reagents that would be readily accessible from commercial building blocks, we recently reported peptide dendrimers as single component siRNA transfection reagents accessible in pure form by solid-phase peptide synthesis. Here, we extend our studies of these dendrimers by identifying analogs bearing a coumarin or BODIPY fluorescent label in their core and displaying comparable siRNA transfection efficiencies, pH dependent aggregation, siRNA binding, and secondary structures. Fluorescence resonance energy transfer (FRET) studies show that the dendrimers are tightly associated with siRNA within the formed nanoparticles at pH 7.4 but are released into solution at pH 5.0 and can participate in endosome escape by destabilizing the membrane at this pH value. Colocalization studies furthermore suggest that peptide dendrimers and siRNA remain tightly associated throughout the transfection process.
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Affiliation(s)
- Marc Heitz
- Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, 3012 Bern, Switzerland
| | - Susanna Zamolo
- Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, 3012 Bern, Switzerland
| | - Sacha Javor
- Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, 3012 Bern, Switzerland
| | - Jean-Louis Reymond
- Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, 3012 Bern, Switzerland
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Yang DC, Eldredge AC, Hickey JC, Muradyan H, Guan Z. Multivalent Peptide-Functionalized Bioreducible Polymers for Cellular Delivery of Various RNAs. Biomacromolecules 2020; 21:1613-1624. [DOI: 10.1021/acs.biomac.0c00211] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Dong-Chu Yang
- Department of Chemistry, University of California, 1102 Natural
Sciences 2, Irvine, California 92697-2025, United States
| | - Alexander C. Eldredge
- Department of Chemistry, University of California, 1102 Natural
Sciences 2, Irvine, California 92697-2025, United States
| | - James C. Hickey
- Department of Chemistry, University of California, 1102 Natural
Sciences 2, Irvine, California 92697-2025, United States
| | - Hurik Muradyan
- Department of Chemistry, University of California, 1102 Natural
Sciences 2, Irvine, California 92697-2025, United States
| | - Zhibin Guan
- Department of Chemistry, University of California, 1102 Natural
Sciences 2, Irvine, California 92697-2025, United States
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27
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Chakroun RW, Sneider A, Anderson CF, Wang F, Wu P, Wirtz D, Cui H. Supramolecular Design of Unsymmetric Reverse Bolaamphiphiles for Cell‐Sensitive Hydrogel Degradation and Drug Release. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201913087] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Rami W. Chakroun
- Department of Chemical and Biomolecular Engineering Institute for NanoBiotechnology The Johns Hopkins University 3400 North Charles Street Baltimore MD 21218 USA
| | - Alexandra Sneider
- Department of Chemical and Biomolecular Engineering Institute for NanoBiotechnology The Johns Hopkins University 3400 North Charles Street Baltimore MD 21218 USA
| | - Caleb F. Anderson
- Department of Chemical and Biomolecular Engineering Institute for NanoBiotechnology The Johns Hopkins University 3400 North Charles Street Baltimore MD 21218 USA
| | - Feihu Wang
- Department of Chemical and Biomolecular Engineering Institute for NanoBiotechnology The Johns Hopkins University 3400 North Charles Street Baltimore MD 21218 USA
| | - Pei‐Hsun Wu
- Department of Chemical and Biomolecular Engineering Institute for NanoBiotechnology The Johns Hopkins University 3400 North Charles Street Baltimore MD 21218 USA
- Department of Oncology and Sidney Kimmel Comprehensive Cancer Center Johns Hopkins University School of Medicine 400 North Broadway Baltimore MD 21231 USA
| | - Denis Wirtz
- Department of Chemical and Biomolecular Engineering Institute for NanoBiotechnology The Johns Hopkins University 3400 North Charles Street Baltimore MD 21218 USA
- Department of Oncology and Sidney Kimmel Comprehensive Cancer Center Johns Hopkins University School of Medicine 400 North Broadway Baltimore MD 21231 USA
| | - Honggang Cui
- Department of Chemical and Biomolecular Engineering Institute for NanoBiotechnology The Johns Hopkins University 3400 North Charles Street Baltimore MD 21218 USA
- Department of Oncology and Sidney Kimmel Comprehensive Cancer Center Johns Hopkins University School of Medicine 400 North Broadway Baltimore MD 21231 USA
- Center for Nanomedicine The Wilmer Eye Institute Johns Hopkins University School of Medicine USA
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28
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Chakroun RW, Sneider A, Anderson CF, Wang F, Wu P, Wirtz D, Cui H. Supramolecular Design of Unsymmetric Reverse Bolaamphiphiles for Cell‐Sensitive Hydrogel Degradation and Drug Release. Angew Chem Int Ed Engl 2020; 59:4434-4442. [DOI: 10.1002/anie.201913087] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2019] [Revised: 12/02/2019] [Indexed: 02/04/2023]
Affiliation(s)
- Rami W. Chakroun
- Department of Chemical and Biomolecular Engineering Institute for NanoBiotechnology The Johns Hopkins University 3400 North Charles Street Baltimore MD 21218 USA
| | - Alexandra Sneider
- Department of Chemical and Biomolecular Engineering Institute for NanoBiotechnology The Johns Hopkins University 3400 North Charles Street Baltimore MD 21218 USA
| | - Caleb F. Anderson
- Department of Chemical and Biomolecular Engineering Institute for NanoBiotechnology The Johns Hopkins University 3400 North Charles Street Baltimore MD 21218 USA
| | - Feihu Wang
- Department of Chemical and Biomolecular Engineering Institute for NanoBiotechnology The Johns Hopkins University 3400 North Charles Street Baltimore MD 21218 USA
| | - Pei‐Hsun Wu
- Department of Chemical and Biomolecular Engineering Institute for NanoBiotechnology The Johns Hopkins University 3400 North Charles Street Baltimore MD 21218 USA
- Department of Oncology and Sidney Kimmel Comprehensive Cancer Center Johns Hopkins University School of Medicine 400 North Broadway Baltimore MD 21231 USA
| | - Denis Wirtz
- Department of Chemical and Biomolecular Engineering Institute for NanoBiotechnology The Johns Hopkins University 3400 North Charles Street Baltimore MD 21218 USA
- Department of Oncology and Sidney Kimmel Comprehensive Cancer Center Johns Hopkins University School of Medicine 400 North Broadway Baltimore MD 21231 USA
| | - Honggang Cui
- Department of Chemical and Biomolecular Engineering Institute for NanoBiotechnology The Johns Hopkins University 3400 North Charles Street Baltimore MD 21218 USA
- Department of Oncology and Sidney Kimmel Comprehensive Cancer Center Johns Hopkins University School of Medicine 400 North Broadway Baltimore MD 21231 USA
- Center for Nanomedicine The Wilmer Eye Institute Johns Hopkins University School of Medicine USA
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29
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Yu J, Li J, Zhai S, Lin L, Wang K, Tang B, Meng H, Tian L. Enzymatically Synthesized DNA Polymer as Co-carrier for Enhanced RNA Interference. ACS APPLIED BIO MATERIALS 2019; 2:5204-5215. [DOI: 10.1021/acsabm.9b00862] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Jiantao Yu
- Department of Materials Science and Engineering, Southern University of Science and Technology, 1088 Xueyuan Blvd., Nanshan District, Shenzhen, Guangdong 518055, P. R. China
- School of Advanced Materials, Peking University Shenzhen Graduate School, Peking University, Shenzhen 518055, China
| | - Jing Li
- Department of Materials Science and Engineering, Southern University of Science and Technology, 1088 Xueyuan Blvd., Nanshan District, Shenzhen, Guangdong 518055, P. R. China
| | - Shiyao Zhai
- Department of Materials Science and Engineering, Southern University of Science and Technology, 1088 Xueyuan Blvd., Nanshan District, Shenzhen, Guangdong 518055, P. R. China
| | - Li Lin
- Department of Materials Science and Engineering, Southern University of Science and Technology, 1088 Xueyuan Blvd., Nanshan District, Shenzhen, Guangdong 518055, P. R. China
| | - Kui Wang
- Department of Biomedical Engineering, Southern University of Science and Technology, 1088 Xueyuan Blvd., Shenzhen, Guangdong 518055, P. R. China
| | - Bin Tang
- Department of Biomedical Engineering, Southern University of Science and Technology, 1088 Xueyuan Blvd., Shenzhen, Guangdong 518055, P. R. China
| | - Hong Meng
- School of Advanced Materials, Peking University Shenzhen Graduate School, Peking University, Shenzhen 518055, China
| | - Leilei Tian
- Department of Materials Science and Engineering, Southern University of Science and Technology, 1088 Xueyuan Blvd., Nanshan District, Shenzhen, Guangdong 518055, P. R. China
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Sapra R, Verma RP, Maurya GP, Dhawan S, Babu J, Haridas V. Designer Peptide and Protein Dendrimers: A Cross-Sectional Analysis. Chem Rev 2019; 119:11391-11441. [PMID: 31556597 DOI: 10.1021/acs.chemrev.9b00153] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Dendrimers have attracted immense interest in science and technology due to their unique chemical structure that offers a myriad of opportunities for researchers. Dendritic design allows us to present peptides in a branched three-dimensional fashion that eventually leads to a globular shape, thus mimicking globular proteins. Peptide dendrimers, unlike other classes of dendrimers, have immense applications in biomedical research due to their biological origin. The diversity of potential building blocks and innumerable possibilities for design, along with the fact that the area is relatively underexplored, make peptide dendrimers sought-after candidates for various applications. This review summarizes the stepwise evolution of peptidic dendrimers along with their multifaceted applications in various fields. Further, the introduction of biomacromolecules such as proteins to a dendritic scaffold, resulting in complex macromolecules with discrete molecular weights, is an altogether new addition to the area of organic chemistry. The synthesis of highly complex and fully folded biomacromolecules on a dendritic scaffold requires expertise in synthetic organic chemistry and biology. Presently, there are only a handful of examples of protein dendrimers; we believe that these limited examples will fuel further research in this area.
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Affiliation(s)
- Rachit Sapra
- Department of Chemistry , Indian Institute of Technology Delhi , Hauz Khas , New Delhi 110016 , India
| | - Ram P Verma
- Department of Chemistry , Indian Institute of Technology Delhi , Hauz Khas , New Delhi 110016 , India
| | - Govind P Maurya
- Department of Chemistry , Indian Institute of Technology Delhi , Hauz Khas , New Delhi 110016 , India
| | - Sameer Dhawan
- Department of Chemistry , Indian Institute of Technology Delhi , Hauz Khas , New Delhi 110016 , India
| | - Jisha Babu
- Department of Chemistry , Indian Institute of Technology Delhi , Hauz Khas , New Delhi 110016 , India
| | - V Haridas
- Department of Chemistry , Indian Institute of Technology Delhi , Hauz Khas , New Delhi 110016 , India
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31
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Heitz M, Javor S, Darbre T, Reymond JL. Stereoselective pH Responsive Peptide Dendrimers for siRNA Transfection. Bioconjug Chem 2019; 30:2165-2182. [PMID: 31398014 DOI: 10.1021/acs.bioconjchem.9b00403] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Transfecting nucleic acids into cells is an essential procedure in biological research usually performed using nonviral transfection reagents. Unfortunately, most transfection reagents have polymeric or undisclosed structures and require nonstandard synthetic procedures. Herein we report peptide dendrimers accessible as pure products from standard building blocks by solid-phase peptide synthesis and acting as nontoxic single component siRNA transfection reagents for a variety of cell lines with equal or better performance than the gold standard lipofectamine L2000. Structure-activity relationships and mechanistic studies illuminate their transfection mechanism in unprecedented detail. Stereoselective dendrimer aggregation via intermolecular β-sheets at neutral pH enables siRNA complexation to form nanoparticles which enter cells by endocytosis. Endosome acidification triggers protonation of amino termini and rearrangement to an α-helical conformation forming smaller dendrimer/siRNA nanoparticles, which escape the endosome and release their siRNA cargo in the cytosol. Two particularly efficient d-enantiomeric dendrimers are proposed as new reference reagents for siRNA transfection.
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Affiliation(s)
- Marc Heitz
- Department of Chemistry and Biochemistry , University of Bern , Freiestrasse 3 , 3012 Bern , Switzerland
| | - Sacha Javor
- Department of Chemistry and Biochemistry , University of Bern , Freiestrasse 3 , 3012 Bern , Switzerland
| | - Tamis Darbre
- Department of Chemistry and Biochemistry , University of Bern , Freiestrasse 3 , 3012 Bern , Switzerland
| | - Jean-Louis Reymond
- Department of Chemistry and Biochemistry , University of Bern , Freiestrasse 3 , 3012 Bern , Switzerland
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32
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Urner LH, Schade B, Schulze M, Folmert K, Haag R, Pagel K. Switchable Solubility of Azobenzene-Based Bolaamphiphiles. Chemphyschem 2019; 20:1690-1697. [PMID: 31074563 DOI: 10.1002/cphc.201900334] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 05/08/2019] [Indexed: 11/05/2022]
Abstract
The ability to design amphiphiles with predictable solubility properties is of everlasting interest in supramolecular chemistry. Relevant structural parameters include the hydrophobic-hydrophilic balance and structural flexibility. In this work, we investigate the water solubility of azobenzene-based triglycerol bolaamphiphiles (TGBAs). In particular, we analyzed the structural effects of backbone hydrophobicity, flexibility, and cis/trans isomerization on the water solubility of a subset of five TGBAs. This leads to the first example of a non-ionic bolaamphiphile whose water solubility can be changed by irradiation with light. The underlying kinetics were monitored using liquid chromatography and a closer analysis of the underlying aggregation processes provides a mechanistic understanding of the light-driven dissolution process. We anticipate that the results obtained will help to engineer bolaamphiphiles with predictable solution properties in the future.
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Affiliation(s)
- Leonhard H Urner
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Takustraße 3, 14195, Berlin, Germany
| | - Boris Schade
- Freie Universität Berlin Institute of Chemistry and Biochemistry, Research Center of Electron Microscopy, 14195, Berlin, Germany
| | - Maiko Schulze
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Takustraße 3, 14195, Berlin, Germany
| | - Kristin Folmert
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Takustraße 3, 14195, Berlin, Germany
| | - Rainer Haag
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Takustraße 3, 14195, Berlin, Germany
| | - Kevin Pagel
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Takustraße 3, 14195, Berlin, Germany.,Fritz Haber Institute of the Max Planck Society, Department of Molecular Physics, Faradayweg 4-6, Berlin, Germany
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33
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Takemoto H, Wang CL, Nomoto T, Matsui M, Tomoda K, Nishiyama N. Pyruvate Responsiveness Based on α-Oxohydrazone Formation for Intracellular siRNA Release from Polyion Complex-Based Carriers. Biomacromolecules 2019; 20:2305-2314. [DOI: 10.1021/acs.biomac.9b00261] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Hiroyasu Takemoto
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, R1-11, 4259, Nagatsuta, Midori-Ku, Yokohama, Kanagawa 226-8503, Japan
| | - Chih-Ling Wang
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, R1-11, 4259, Nagatsuta, Midori-Ku, Yokohama, Kanagawa 226-8503, Japan
| | - Takahiro Nomoto
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, R1-11, 4259, Nagatsuta, Midori-Ku, Yokohama, Kanagawa 226-8503, Japan
| | - Makoto Matsui
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, R1-11, 4259, Nagatsuta, Midori-Ku, Yokohama, Kanagawa 226-8503, Japan
| | - Keishiro Tomoda
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, R1-11, 4259, Nagatsuta, Midori-Ku, Yokohama, Kanagawa 226-8503, Japan
| | - Nobuhiro Nishiyama
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, R1-11, 4259, Nagatsuta, Midori-Ku, Yokohama, Kanagawa 226-8503, Japan
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34
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A one-pot chemoenzymatic synthesis of (2S, 4R)-4-methylproline enables the first total synthesis of antiviral lipopeptide cavinafungin B. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.09.046] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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35
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Zhou C, Feng X, Wang R, Yang G, Wang T, Jiang J. Hierarchical Assembly of l-Phenylalanine-Terminated Bolaamphiphile with Porphyrin Show Tunable Nanostructures and Photocatalytic Properties. ACS OMEGA 2018; 3:10638-10646. [PMID: 31459184 PMCID: PMC6645274 DOI: 10.1021/acsomega.8b01822] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Accepted: 08/23/2018] [Indexed: 05/05/2023]
Abstract
Demands related to clean energy and environmental protection promote the development of novel supramolecular assemblies for photocatalysis. Because of the distinctive aggregation behaviors, bolaamphiphiles with two hydrophilic end groups could be theoretically the right candidates for the fabrication of high-performance photocatalysis. However, photocatalytic applications based on bolaamphiphilic assemblies were still rarely investigated. Especially, the relationship between diverse assembled nanostructures and the properties for different applications is urgently needed to be studied. Herein, we demonstrate that using the hierarchical assembly of bolaamphiphiles could correctly induce the porphyrin supramolecular architectures with much better photocatalytic performances than the aggregations containing 450 times of the porphyrin molecules, even though both molecular structures as well as the J-aggregations of porphyrin building blocks are same in two different systems. Thus, the co-assembly of l-phenylalanine terminated bolaamphiphile (Bola-F) and the porphyrin containing four hydroxyl groups (tetrakis-5,10,15,20-(4-hydroxyphenyl)porphyrin) can form microtube in methanol and forms fibers/spheres in methanol/water mixture. For catalyzing the photodegradation of rhodamine B, the small amount of J-aggregated porphyrin within Bola-F microtubes show much better photocatalytic performance comparing with that of huge porphyrin J-aggregations in fibers/spheres. The supramolecular assemblies as well as the photocatalysis were thoroughly characterized by different spectroscopies and electron microscopy. It is demonstrated that the co-assembly with bolaamphiphiles could inhibit the energy transfer of porphyrin aggregation and subsequently benefit the electron transfer and corresponding photocatalysis under photo-irradiation. This work is not only useful for further understanding the hierarchically supramolecular assembly but also provides a new strategy for making novel functional supramolecular architectures based on the assembly of bolaamphiphiles and porphyrins.
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Affiliation(s)
- Cuiyun Zhou
- Beijing Key Laboratory for Science
and Application of Functional Molecular and Crystalline Materials,
Department of Chemistry, University of Science
and Technology Beijing, Beijing 100083, China
| | - Xuenan Feng
- Beijing Key Laboratory for Science
and Application of Functional Molecular and Crystalline Materials,
Department of Chemistry, University of Science
and Technology Beijing, Beijing 100083, China
| | - Rong Wang
- Beijing Key Laboratory for Science
and Application of Functional Molecular and Crystalline Materials,
Department of Chemistry, University of Science
and Technology Beijing, Beijing 100083, China
| | - Gengxiang Yang
- Beijing Key Laboratory for Science
and Application of Functional Molecular and Crystalline Materials,
Department of Chemistry, University of Science
and Technology Beijing, Beijing 100083, China
| | - Tianyu Wang
- Beijing Key Laboratory for Science
and Application of Functional Molecular and Crystalline Materials,
Department of Chemistry, University of Science
and Technology Beijing, Beijing 100083, China
| | - Jianzhuang Jiang
- Beijing Key Laboratory for Science
and Application of Functional Molecular and Crystalline Materials,
Department of Chemistry, University of Science
and Technology Beijing, Beijing 100083, China
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36
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Damen M, Groenen AJJ, van Dongen SFM, Nolte RJM, Scholte BJ, Feiters MC. Transfection by cationic gemini lipids and surfactants. MEDCHEMCOMM 2018; 9:1404-1425. [PMID: 30288217 PMCID: PMC6148748 DOI: 10.1039/c8md00249e] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Accepted: 07/11/2018] [Indexed: 12/13/2022]
Abstract
Diseases that are linked to defective genes or mutations can in principle be cured by gene therapy, in which damaged or absent genes are either repaired or replaced by new DNA in the nucleus of the cell. Related to this, disorders associated with elevated protein expression levels can be treated by RNA interference via the delivery of siRNA to the cytoplasm of cells. Polynucleotides can be brought into cells by viruses, but this is not without risk for the patient. Alternatively, DNA and RNA can be delivered by transfection, i.e. by non-viral vector systems such as cationic surfactants, which are also referred to as cationic lipids. In this review, recent progress on cationic lipids as transfection vectors will be discussed, with special emphasis on geminis, surfactants with 2 head groups and 2 tails connected by a spacer.
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Affiliation(s)
- M Damen
- Institute for Molecules and Materials , Faculty of Science , Radboud University , Heyendaalseweg 135 , 6525 AJ Nijmegen , The Netherlands .
| | - A J J Groenen
- Institute for Molecules and Materials , Faculty of Science , Radboud University , Heyendaalseweg 135 , 6525 AJ Nijmegen , The Netherlands .
| | - S F M van Dongen
- Institute for Molecules and Materials , Faculty of Science , Radboud University , Heyendaalseweg 135 , 6525 AJ Nijmegen , The Netherlands .
| | - R J M Nolte
- Institute for Molecules and Materials , Faculty of Science , Radboud University , Heyendaalseweg 135 , 6525 AJ Nijmegen , The Netherlands .
| | - B J Scholte
- Departments of Pediatric pulmonology and Cell Biology , Erasmus MC, P. O. Box 2040 , 3000 CA Rotterdam , The Netherlands
| | - M C Feiters
- Institute for Molecules and Materials , Faculty of Science , Radboud University , Heyendaalseweg 135 , 6525 AJ Nijmegen , The Netherlands .
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37
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Abstract
Self-assembled peptide nanostructures have been increasingly exploited as functional materials for applications in biomedicine and energy. The emergent properties of these nanomaterials determine the applications for which they can be exploited. It has recently been appreciated that nanomaterials composed of multicomponent coassembled peptides often display unique emergent properties that have the potential to dramatically expand the functional utility of peptide-based materials. This review presents recent efforts in the development of multicomponent peptide assemblies. The discussion includes multicomponent assemblies derived from short low molecular weight peptides, peptide amphiphiles, coiled coil peptides, collagen, and β-sheet peptides. The design, structure, emergent properties, and applications for these multicomponent assemblies are presented in order to illustrate the potential of these formulations as sophisticated next-generation bio-inspired materials.
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Affiliation(s)
- Danielle M Raymond
- Department of Chemistry, University of Rochester, Rochester, NY 14627-0216, USA.
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38
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Dendritic peptide bolaamphiphiles for siRNA delivery to primary adipocytes. Biomaterials 2018; 178:458-466. [PMID: 29705001 DOI: 10.1016/j.biomaterials.2018.04.024] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2018] [Revised: 04/11/2018] [Accepted: 04/13/2018] [Indexed: 12/31/2022]
Abstract
Obesity is a major risk factor for diabetes, heart disease and other health problems. Adipose tissue plays a central role in the development of obesity and obesity-associated diseases. Gene therapy targeting adipose tissue may provide a promising strategy for obesity treatment. However, nucleic acid delivery to adipose tissue or even cultured adipocytes is challenging due to low delivery efficacy and high toxicity of the current cationic lipid based delivery systems, or monoamphiphiles. Herein, we report using dendritic peptide bolaamphiphiles (bolas) to deliver siRNA to primary adipocytes and hepatocytes. The bola consists of two l-Lysine dendrons connected to a fluorocarbon core through disulfide linkages. The Lysine dendrons are functionalized with l-histidine and l-tryptophan to promote endosomal escape and cellular uptake. The bola exhibited over 70% knockdown of GAPDH gene in both primary adipocytes and hepatocytes. Importantly, different from Lipofectamine that significantly reduced genes involved in lipolysis, lipogenesis, fatty acid oxidation and ketogenesis, the bolas had little to no effect on these genes. These results demonstrate the bola as a promising new vector for clinical and experimental applications for delivery of siRNA to metabolic organs.
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Huang Z, Zhao DM, Deng X, Zhang J, Zhang YM, Yu XQ. Functionalized Asymmetric Bola-Type Amphiphiles for Efficient Gene and Drug Delivery. NANOMATERIALS (BASEL, SWITZERLAND) 2018; 8:E115. [PMID: 29462991 PMCID: PMC5853746 DOI: 10.3390/nano8020115] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Revised: 02/09/2018] [Accepted: 02/11/2018] [Indexed: 01/05/2023]
Abstract
The studies of bolaamphiphile-based nanoparticles as delivery vectors are still rudimentary and under development. In this study, several asymmetric bolaamphiphiles containing lysine and another moiety with special functions, such as pH-sensitive or cell-targeting property, were designed and synthesized. The potentials of these bolaamphiphile-based nanoparticles as versatile vectors for both nucleic acids and chemical drugs were studied. With the presence of 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine (DOPE), these amphiphiles could be prepared into bolasomes, which showed good DNA binding ability and could condense plasmid DNA into nanoparticles with appropriate size and surface potential. Lys-His, which has a pH-sensitive histidine on one head, exhibited higher transfection efficiency than the symmetric counterpart and comparable efficiency to commercially available transfection reagent. Mechanism studies confirmed that the bolaplexes formed from Lys-His might induce the highest cellular uptake and the best endosomal escape ability. On the other hand, these bolaamphiphiles also exhibited good drug loading ability. The self-assembly vesicles could efficiently encapsulate the hydrophobic anti-cancer drug doxorubicin (DOX) in aqueous solution with high drug loading content and encapsulation efficiency. Confocal laser scanning microscopy (CLSM) experiment and cell viability assay exhibited a controlled release of the drug with the assistance of bolasomes. It was shown that such bolaamphiphiles have great potential as nano-vectors for both drug and gene or their co-delivery.
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Affiliation(s)
- Zheng Huang
- Key Laboratory of Green Chemistry & Technology (Ministry of Education), College of Chemistry, Sichuan University, Chengdu 610064, China.
| | - Dong-Mei Zhao
- Key Laboratory of Green Chemistry & Technology (Ministry of Education), College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Xuan Deng
- Key Laboratory of Green Chemistry & Technology (Ministry of Education), College of Chemistry, Sichuan University, Chengdu 610064, China.
| | - Ji Zhang
- Key Laboratory of Green Chemistry & Technology (Ministry of Education), College of Chemistry, Sichuan University, Chengdu 610064, China.
| | - Yi-Mei Zhang
- Key Laboratory of Green Chemistry & Technology (Ministry of Education), College of Chemistry, Sichuan University, Chengdu 610064, China.
| | - Xiao-Qi Yu
- Key Laboratory of Green Chemistry & Technology (Ministry of Education), College of Chemistry, Sichuan University, Chengdu 610064, China.
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40
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Simultaneous membrane interaction of amphipathic peptide monomers, self-aggregates and cargo complexes detected by fluorescence correlation spectroscopy. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2018; 1860:491-504. [DOI: 10.1016/j.bbamem.2017.09.024] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Revised: 09/05/2017] [Accepted: 09/25/2017] [Indexed: 12/17/2022]
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41
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Tan J, Liao Z, Tian C, Shao J. Inclusion complexes based α,ω-imidazolium based oligosiloxane (Im-PDMS) and cucurbit[7]uril (CB[7]) in aqueous solution. J INCL PHENOM MACRO 2017. [DOI: 10.1007/s10847-017-0770-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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42
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Biswas S, Samui S, Chakraborty A, Biswas S, De D, Ghosh U, Das AK, Naskar J. Insight into the binding of a non-toxic, self-assembling aromatic tripeptide with ct-DNA: Spectroscopic and viscositic studies. Biochem Biophys Rep 2017; 11:112-118. [PMID: 28955776 PMCID: PMC5614701 DOI: 10.1016/j.bbrep.2017.07.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Revised: 06/28/2017] [Accepted: 07/01/2017] [Indexed: 11/22/2022] Open
Abstract
The report describes the synthesis, self-association and DNA binding studies of an aromatic tripeptide H-Phe-Phe-Phe-OH (FFF). The peptide backbone adopts β-sheet conformation both in solid and solution. In aqueous solution, FFF self-assembles to form nanostructured aggregates. Interactions of this peptide with calf-thymus DNA (ct-DNA) have been studied using various biophysical techniques including ultraviolet (UV) absorption spectroscopy, fluorescence spectroscopy and circular dichroism (CD) spectroscopy. The value of mean binding constant calculated from UV and fluorescence spectroscopic data is (2.914 ± 0.74) x 103 M-1 which is consistent with an external binding mode. Fluorescence intercalator displacement (FID) assay, iodide quenching study, viscosity measurement and thermal denaturation study of DNA further confirm the groove binding mode of peptide, FFF with ct-DNA. MTT cell survival assay reveals very low cytotoxicity of the peptide toward human lung carcinoma cell line A549.
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Affiliation(s)
- Soumi Biswas
- Department of Biochemistry & Biophysics, University of Kalyani, Nadia, WB 741235, India
| | - Satyabrata Samui
- Department of Biochemistry & Biophysics, University of Kalyani, Nadia, WB 741235, India
| | - Arpita Chakraborty
- Department of Biochemistry & Biophysics, University of Kalyani, Nadia, WB 741235, India
| | - Sagar Biswas
- Department of Chemistry, Indian Institute of Technology, Indore, Khandwa Road, Indore 453552, India
| | - Debapriya De
- Department of Biochemistry & Biophysics, University of Kalyani, Nadia, WB 741235, India
| | - Utpal Ghosh
- Department of Biochemistry & Biophysics, University of Kalyani, Nadia, WB 741235, India
| | - Apurba K. Das
- Department of Chemistry, Indian Institute of Technology, Indore, Khandwa Road, Indore 453552, India
| | - Jishu Naskar
- Department of Biochemistry & Biophysics, University of Kalyani, Nadia, WB 741235, India
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43
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Zhang W, Chu Y, Mu G, Eghtesadi SA, Liu Y, Zhou Z, Lu X, Kashfipour MA, Lillard RS, Yue K, Liu T, Cheng SZD. Rationally Controlling the Self-Assembly Behavior of Triarmed POSS–Organic Hybrid Macromolecules: From Giant Surfactants to Macroions. Macromolecules 2017. [DOI: 10.1021/acs.macromol.7b00963] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
| | | | | | | | | | | | | | | | | | - Kan Yue
- South
China Advanced Institute for Soft Matter Science and Technology, South China University of Technology, Guangzhou 510640, China
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44
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Kumar V, Chatterjee A, Roy BG, Banerjee M. Synthesis of novel d-glucose based anionic bolaamphiphiles and their catalytic application in 1,3-dipolar nitrone cycloaddition reactions. CATAL COMMUN 2017. [DOI: 10.1016/j.catcom.2017.02.021] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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45
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Wang M, Cheng Y. Structure-activity relationships of fluorinated dendrimers in DNA and siRNA delivery. Acta Biomater 2016; 46:204-210. [PMID: 27662807 DOI: 10.1016/j.actbio.2016.09.023] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2016] [Revised: 09/05/2016] [Accepted: 09/19/2016] [Indexed: 12/25/2022]
Abstract
Fluorinated dendrimers have shown great promise in gene delivery due to their high transfection efficacy and low cytotoxicity, however, the structure-activity relationships of these polymers still remain unknown. Herein, we synthesized a library of fluorinated dendrimers with different dendrimer generations and fluorination degrees and investigated their behaviors in both DNA and siRNA delivery. The results show that fluorination significantly improves the transfection efficacy of G4-G7 polyamidoamine dendrimers in DNA and siRNA delivery. Fluorination on generation 5 dendrimer yields the most efficient polymers in gene delivery, and the transfection efficacy of fluorinated dendrimers depends on fluorination degree. All the fluorinated dendrimers cause minimal toxicity on the transfected cells at their optimal transfection conditions. This study provides a general and facile strategy to prepare high efficient and low cytotoxic gene carriers based on fluorinated polymers. STATEMENT OF SIGNIFICANCE The structure-activity relationships of fluorinated dendrimers in gene delivery is still unknown and the behavior of fluorinated dendrimers in siRNA delivery has not yet been investigated. Herein, we synthesized a library of fluorinated PAMAM dendrimers with different dendrimer generations and fluorination degrees and investigated their behaviors in both DNA and siRNA delivery. The results clearly indicate that fluorination significantly improves the transfection efficacy of dendrimers in both DNA and siRNA delivery without causing additional toxicity. G5 PAMAM dendrimer is best scaffold to synthesize fluorinated dendrimers and the transfection efficacy of fluorinated dendrimers depends on fluorination degree. This systematic study provides a general and facile strategy to prepare high efficient and low cytotoxic gene carriers based on fluorinated polymers.
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Affiliation(s)
- Mingming Wang
- Shanghai Key Laboratory of Regulatory Biology, School of Life Sciences, East China Normal University, Shanghai 200241, People's Republic of China
| | - Yiyun Cheng
- Shanghai Key Laboratory of Regulatory Biology, School of Life Sciences, East China Normal University, Shanghai 200241, People's Republic of China.
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46
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Kwok A, Eggimann GA, Heitz M, Reymond JL, Hollfelder F, Darbre T. Efficient Transfection of siRNA by Peptide Dendrimer-Lipid Conjugates. Chembiochem 2016; 17:2223-2229. [DOI: 10.1002/cbic.201600485] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2016] [Indexed: 12/16/2022]
Affiliation(s)
- Albert Kwok
- Department of Biochemistry; University of Cambridge; 80 Tennis Court Road Cambridge CB2 1GA UK
| | - Gabriela A. Eggimann
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 3012 Bern Switzerland
| | - Marc Heitz
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 3012 Bern Switzerland
| | - Jean-Louis Reymond
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 3012 Bern Switzerland
| | - Florian Hollfelder
- Department of Biochemistry; University of Cambridge; 80 Tennis Court Road Cambridge CB2 1GA UK
| | - Tamis Darbre
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 3012 Bern Switzerland
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47
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Eldredge AC, Johnson ME, Oldenhuis NJ, Guan Z. Focused Library Approach to Discover Discrete Dipeptide Bolaamphiphiles for siRNA Delivery. Biomacromolecules 2016; 17:3138-3144. [PMID: 27563833 DOI: 10.1021/acs.biomac.6b00635] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
In this study, we report a new dipeptide functionalization strategy for developing new dendritic bolaamphiphile vectors for efficient siRNA transfection. A focused library of dipeptides was constructed using four amino acids: l-arginine, l-histidine, l-lysine, and l-tryptophan. The dipeptides were coupled to two dendritic bolaamphiphile scaffolds that we developed previously, allowing us to quickly access a focused library of discrete vectors with multivalent dendritic dipeptide functionalities. The resulting discrete bolaamphiphiles were screened for siRNA delivery in vitro in HEK-293 and HeLa cells. Bolaamphiphiles functionalized with dipeptides containing Lys or Arg and either His or Trp were the most effective for in vitro siRNA delivery. Necessary cationic charge to ensure efficient siRNA binding are provided by Arg and Lys residues, whereas endosomal escape is provided through pH responsive buffering of His or membrane interactions of Trp. The most effective vectors (F10 HR/RH) exhibited greater than 75% gene silencing in multiple cell lines and exhibited serum stability.
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Affiliation(s)
- Alexander C Eldredge
- Department of Chemistry, University of California , Irvine, California 92697, United States
| | - Mark E Johnson
- Department of Chemistry, University of California , Irvine, California 92697, United States
| | - Nathan J Oldenhuis
- Department of Chemistry, University of California , Irvine, California 92697, United States
| | - Zhibin Guan
- Department of Chemistry, University of California , Irvine, California 92697, United States
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48
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Sucrose ester based cationic liposomes as effective non-viral gene vectors for gene delivery. Colloids Surf B Biointerfaces 2016; 145:454-461. [DOI: 10.1016/j.colsurfb.2016.05.033] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2016] [Revised: 04/16/2016] [Accepted: 05/11/2016] [Indexed: 01/01/2023]
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49
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Johnson ME, Shon J, Guan BM, Patterson JP, Oldenhuis NJ, Eldredge AC, Gianneschi NC, Guan Z. Fluorocarbon Modified Low-Molecular-Weight Polyethylenimine for siRNA Delivery. Bioconjug Chem 2016; 27:1784-8. [PMID: 27457882 DOI: 10.1021/acs.bioconjchem.6b00216] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
We report the synthesis and study of fluorocarbon (FC) modified polyethylenimine (PEI) for the purpose of siRNA delivery. Low-molecular-weight PEI (Mn = 600) was functionalized with fluorocarbon epoxides of varying length. All FC-modified samples with greater than 2.0 equiv of FC epoxide per PEI induced potent gene silencing in vitro. Compared to hydrocarbon (HC) analogues, the FC vectors showed greater general silencing efficacy, higher cell uptake, and reduced association with serum components. Collectively, the data suggest that modification of polyamines with FCs is a promising approach for the discovery of novel vectors for siRNA delivery.
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Affiliation(s)
- Mark E Johnson
- Department of Chemistry, University of California , Irvine, California 92697, United States
| | - Judy Shon
- Department of Chemistry, University of California , Irvine, California 92697, United States
| | - Brian M Guan
- Department of Chemistry, University of California , Irvine, California 92697, United States
| | - Joseph P Patterson
- Department of Chemistry & Biochemistry, University of California, San Diego , La Jolla, California 92093, United States
| | - Nathan J Oldenhuis
- Department of Chemistry, University of California , Irvine, California 92697, United States
| | - Alexander C Eldredge
- Department of Chemistry, University of California , Irvine, California 92697, United States
| | - Nathan C Gianneschi
- Department of Chemistry & Biochemistry, University of California, San Diego , La Jolla, California 92093, United States
| | - Zhibin Guan
- Department of Chemistry, University of California , Irvine, California 92697, United States
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50
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Badwaik VD, Aicart E, Mondjinou YA, Johnson MA, Bowman VD, Thompson DH. Structure-property relationship for in vitro siRNA delivery performance of cationic 2-hydroxypropyl-β-cyclodextrin: PEG-PPG-PEG polyrotaxane vectors. Biomaterials 2016; 84:86-98. [PMID: 26826298 PMCID: PMC4755830 DOI: 10.1016/j.biomaterials.2015.11.032] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2015] [Revised: 11/22/2015] [Accepted: 11/25/2015] [Indexed: 11/20/2022]
Abstract
Nanoparticle-mediated siRNA delivery is a promising therapeutic approach, however, the processes required for transport of these materials across the numerous extracellular and intracellular barriers are poorly understood. Efficient delivery of siRNA-containing nanoparticles would ultimately benefit from an improved understanding of how parameters associated with these barriers relate to the physicochemical properties of the nanoparticle vectors. We report the synthesis of three Pluronic(®)-based, cholesterol end-capped cationic polyrotaxanes (PR(+)) threaded with 2-hydroxypropyl-β-cyclodextrin (HPβCD) for siRNA delivery. The biological data showed that PR(+):siRNA complexes were well tolerated (∼90% cell viability) and produced efficient silencing (>80%) in HeLa-GFP and NIH 3T3-GFP cell lines. We further used a multi-parametric approach to identify relationships between the PR(+) structure, PR(+):siRNA complex physical properties, and biological activity. Small angle X-ray scattering and cryoelectron microscopy studies reveal periodicity and lamellar architectures for PR(+):siRNA complexes, whereas the biological assays, ζ potential measurements, and imaging studies suggest that silencing efficiency is influenced by the effective charge ratio (ρeff), polypropylene oxide (PO) block length, and central PO block coverage (i.e., rigidity) of the PR(+) core. We infer from our findings that more compact PR(+):siRNA nanostructures arising from lower molecular weight, rigid rod-like PR(+) polymer cores produce improved silencing efficiency relative to higher molecular weight, more flexible PR(+) vectors of similar effective charge. This study demonstrates that PR(+):siRNA complex formulations can be produced having higher performance than Lipofectamine(®) 2000, while maintaining good cell viability and siRNA sequence protection in cell culture.
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Affiliation(s)
- Vivek D Badwaik
- Department of Chemistry, Multi-disciplinary Cancer Research Facility, Bindley Bioscience Center, 1203 W. State Street, West Lafayette, IN 47907, USA
| | - Emilio Aicart
- Department of Chemistry, Multi-disciplinary Cancer Research Facility, Bindley Bioscience Center, 1203 W. State Street, West Lafayette, IN 47907, USA
| | - Yawo A Mondjinou
- Department of Chemistry, Multi-disciplinary Cancer Research Facility, Bindley Bioscience Center, 1203 W. State Street, West Lafayette, IN 47907, USA
| | - Merrell A Johnson
- Department of Physics, Indiana University-Purdue University Indianapolis, IN 46202, USA
| | - Valorie D Bowman
- Discovery Park, Hockmeyer Hall of Structural Biology, Purdue University, West Lafayette, IN 47907, USA
| | - David H Thompson
- Department of Chemistry, Multi-disciplinary Cancer Research Facility, Bindley Bioscience Center, 1203 W. State Street, West Lafayette, IN 47907, USA.
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