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Eftaiha AF, Qaroush AK, Foudeh DM, Abo-Shunnar AS, Hammad SB, Assaf KI, Paige MF. The effect of structural changes on the self-assembly of novel green pyridinium-carboxylate gemini surfactants in Langmuir and Langmuir-Blodgett films. SOFT MATTER 2024; 20:3742-3754. [PMID: 38619818 DOI: 10.1039/d3sm01671d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/16/2024]
Abstract
Engineered molecules with tailored molecular structures have the potential to advance various disciplines by enhancing the properties of biological membranes. In this study, we investigated the fundamental interfacial behavior of newly synthesized, water insoluble, cationic pyridinium-carboxylate based gemini surfactants (GSs) using picolinic acid (PA), nicotinic acid (NA), and isonicotinic acid (INA) and their interactions with dipalmitoylphosphatidylcholine (DPPC) in Langmuir and Langmuir-Blodgett (LB) films. Two synthetic methodologies were employed: (a) connecting two alkyl pyridinecarboxylates through the nitrogen atoms with a xylenyl spacer, namely, PAGS, NAGS1, and INAGS; and (b) dimerizing two nicotinic acid molecules through ester linkages with 1,4-benzenedimethanol, and then quaternizing the pyridine nitrogens with hexadecyl chains to yield NAGS2. A combination of Brewster angle microscopy (BAM) and atomic force microscopy (AFM) imaging techniques yielded valuable insights into the morphology of the GS films and their mixtures with DPPC. Density functional theory (DFT) calculations were used to gain further information on the GSs structures and understand their assembly. The results indicate that the film of INAGS is the most hydrophobic film, and its monolayer is the least compressible. When the nitrogen atom and a carboxylate group of the headgroup are positioned closer to each other, the GS molecules tend to form aggregates instead of a continuous film which is observed for the INAGS surfactant. This observation is consistent with the DFT energy values of pair interactions, indicating that both PAGS and NAGS1 have closely packed conformations with high stabilization energy.
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Affiliation(s)
- Ala'a F Eftaiha
- Department of Chemistry, Faculty of Science, The Hashemite University, Zarqa 13133, Jordan.
- Department of Physics, Virginia Tech, Blacksburg, VA 24061, USA
| | - Abdussalam K Qaroush
- Department of Chemistry, Faculty of Science, The University of Jordan, Amman 11942, Jordan.
| | - Dina M Foudeh
- Department of Chemistry, Faculty of Science, The University of Jordan, Amman 11942, Jordan.
| | - Ahmad S Abo-Shunnar
- Department of Chemistry, Faculty of Science, The Hashemite University, Zarqa 13133, Jordan.
| | - Suhad B Hammad
- Department of Chemistry, Faculty of Science, The University of Jordan, Amman 11942, Jordan.
| | - Khaleel I Assaf
- Department of Chemistry, Faculty of Science, Al-Balqa Applied University, Al-Salt 19117, Jordan
| | - Matthew F Paige
- Department of Chemistry, University of Saskatchewan, Saskatoon, SK S7N 5C9, Canada
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2
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Wycisk V, Wagner MC, Urner LH. Trends in the Diversification of the Detergentome. Chempluschem 2024; 89:e202300386. [PMID: 37668309 DOI: 10.1002/cplu.202300386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 09/04/2023] [Accepted: 09/05/2023] [Indexed: 09/06/2023]
Abstract
Detergents are amphiphilic molecules that serve as enabling steps for today's world applications. The increasing diversity of the detergentome is key to applications enabled by detergent science. Regardless of the application, the optimal design of detergents is determined empirically, which leads to failed preparations, and raising costs. To facilitate project planning, here we review synthesis strategies that drive the diversification of the detergentome. Synthesis strategies relevant for industrial and academic applications include linear, modular, combinatorial, bio-based, and metric-assisted detergent synthesis. Scopes and limitations of individual synthesis strategies in context with industrial product development and academic research are discussed. Furthermore, when designing detergents, the selection of molecular building blocks, i. e., head, linker, tail, is as important as the employed synthesis strategy. To facilitate the design of safe-to-use and tailor-made detergents, we provide an overview of established head, linker, and tail groups and highlight selected scopes and limitations for applications. It becomes apparent that most recent contributions to the increasing chemical diversity of detergent building blocks originate from the development of detergents for membrane protein studies. The overview of synthesis strategies and molecular blocks will bring us closer to the ability to predictably design and synthesize optimal detergents for challenging future applications.
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Affiliation(s)
- Virginia Wycisk
- TU Dortmund University, Department of Chemistry and Chemical Biology, Otto-Hahn-Str. 6, 44227, Dortmund, Germany
| | - Marc-Christian Wagner
- TU Dortmund University, Department of Chemistry and Chemical Biology, Otto-Hahn-Str. 6, 44227, Dortmund, Germany
| | - Leonhard H Urner
- TU Dortmund University, Department of Chemistry and Chemical Biology, Otto-Hahn-Str. 6, 44227, Dortmund, Germany
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3
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Tang L, Qin F, Gong D, Dong Y, Pan L, Zhou C, Yin Q, Song X, Ling R, Huang J, Fan Q, Yi W, Wu F, Wu X, Zhang W, Yang J, Wang JY. Long-term sciatic nerve block led by a supramolecular arrangement of self-delivery local anesthetic nano systems. Chem Commun (Camb) 2023. [PMID: 37326382 DOI: 10.1039/d3cc02269b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Classical local anesthetics are unsuitable to treat regional pain lasting several days due to their limited duration and systemic toxicity. Self-delivery nano systems without excipients were designed for long-term sensory blocks. 1a self-assembled into different vehicles with different fractions of intermolecular π-π stacking, transported itself into nerve cells, and released single molecules slowly to achieve long-term duration for rats' sciatic nerve block for 11.6 h in water, 12.1 h in water with CO2 and 3.4 h in NS (normal saline). After the counter ions were changed to SO42-, 1e can self-assemble into vesicles and prolong the duration to 43.2 h, which was much longer than the 3.8 h led by (s)-bupivacaine hydrocloride (0.75%). This was mainly caused by the enhancement of self-release and counter ion exchange inside nerve cells, which were affected by the gemini surfactant structure, pKa of the counter ions and π-π stacking interactions.
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Affiliation(s)
- Lei Tang
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu 610041, P. R. China.
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu 610041, P. R. China
| | - Feng Qin
- West China Hospital, Sichuan University, Chengdu 610041, P. R. China
| | - Deying Gong
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu 610041, P. R. China.
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu 610041, P. R. China
| | - Yu Dong
- College of Chemistry and Life Science, Sichuan Provincial Key Laboratory for Structural Optimization and Application of Functional Molecules, Chengdu Normal University, Chengdu, 611130, P. R. China
| | - LiLi Pan
- West China Hospital, Sichuan University, Chengdu 610041, P. R. China
| | - Changcui Zhou
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu 610041, P. R. China.
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu 610041, P. R. China
| | - Qinqin Yin
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu 610041, P. R. China.
| | - Xinghai Song
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu 610041, P. R. China.
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu 610041, P. R. China
| | - Rui Ling
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu 610041, P. R. China.
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu 610041, P. R. China
| | - Junlong Huang
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu 610041, P. R. China.
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu 610041, P. R. China
| | - Qin Fan
- West China Hospital, Sichuan University, Chengdu 610041, P. R. China
| | - Wenhao Yi
- West China Hospital, Sichuan University, Chengdu 610041, P. R. China
| | - Fengbo Wu
- West China Hospital, Sichuan University, Chengdu 610041, P. R. China
| | - Xiaoai Wu
- West China Hospital, Sichuan University, Chengdu 610041, P. R. China
| | - Weiyi Zhang
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu 610041, P. R. China.
| | - Jun Yang
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu 610041, P. R. China.
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu 610041, P. R. China
| | - Ji-Yu Wang
- Department of Chemistry, Xihua University, Chengdu, P. R. China.
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Massa M, Rivara M, Pertinhez TA, Compari C, Donofrio G, Cristofolini L, Orsi D, Franceschi V, Fisicaro E. Chemico-Physical Properties of Some 1,1'-Bis-alkyl-2,2'-hexane-1,6-diyl-bispyridinium Chlorides Hydrogenated and Partially Fluorinated for Gene Delivery. Molecules 2023; 28:molecules28083585. [PMID: 37110819 PMCID: PMC10145364 DOI: 10.3390/molecules28083585] [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: 03/24/2023] [Revised: 04/17/2023] [Accepted: 04/18/2023] [Indexed: 04/29/2023] Open
Abstract
The development of very efficient and safe non-viral vectors, constituted mainly by cationic lipids bearing multiple charges, is a landmark for in vivo gene-based medicine. To understand the effect of the hydrophobic chain's length, we here report the synthesis, and the chemico-physical and biological characterization, of a new term of the homologous series of hydrogenated gemini bispyridinium surfactants, the 1,1'-bis-dodecyl-2,2'-hexane-1,6-diyl-bispyridinium chloride (GP12_6). Moreover, we have collected and compared the thermodynamic micellization parameters (cmc, changes in enthalpy, free energy, and entropy of micellization) obtained by isothermal titration calorimetry (ITC) experiments for hydrogenated surfactants GP12_6 and GP16_6, and for the partially fluorinated ones, FGPn (where n is the spacer length). The data obtained for GP12_6 by EMSA, MTT, transient transfection assays, and AFM imaging show that in this class of compounds, the gene delivery ability strictly depends on the spacer length but barely on the hydrophobic tail length. CD spectra have been shown to be a useful tool to verify the formation of lipoplexes due to the presence of a "tail" in the 288-320 nm region attributed to a chiroptical feature named ψ-phase. Ellipsometric measurements suggest that FGP6 and FGP8 (showing a very interesting gene delivery activity, when formulated with DOPE) act in a very similar way, and dissimilar from FGP4, exactly as in the case of transfection, and confirm the hypothesis suggested by previously obtained thermodynamic data about the requirement of a proper length of the spacer to allow the molecule to form a sort of molecular tong able to intercalate DNA.
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Affiliation(s)
- Michele Massa
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, 00165 Rome, Italy
| | - Mirko Rivara
- Department Food and Drug, University of Parma, Parco Area delle Scienze, 27/A, 43124 Parma, Italy
| | - Thelma A Pertinhez
- Department of Medicine and Surgery, University of Parma, Via Volturno, 39, 43125 Parma, Italy
| | - Carlotta Compari
- Department Food and Drug, University of Parma, Parco Area delle Scienze, 27/A, 43124 Parma, Italy
| | - Gaetano Donofrio
- Department of Veterinary Sciences, University of Parma, Via del Taglio, 10, 43126 Parma, Italy
| | - Luigi Cristofolini
- Department of Mathematical, Physical and Computer Sciences, University of Parma, Parco Area delle Scienze 7/a, 43124 Parma, Italy
| | - Davide Orsi
- Department of Mathematical, Physical and Computer Sciences, University of Parma, Parco Area delle Scienze 7/a, 43124 Parma, Italy
| | - Valentina Franceschi
- Department of Veterinary Sciences, University of Parma, Via del Taglio, 10, 43126 Parma, Italy
| | - Emilia Fisicaro
- Department Food and Drug, University of Parma, Parco Area delle Scienze, 27/A, 43124 Parma, Italy
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5
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Sufian MA, Ilies MA. Lipid-based nucleic acid therapeutics with in vivo efficacy. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2023; 15:e1856. [PMID: 36180107 PMCID: PMC10023279 DOI: 10.1002/wnan.1856] [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: 04/27/2022] [Revised: 07/22/2022] [Accepted: 08/30/2022] [Indexed: 03/09/2023]
Abstract
Synthetic vectors for therapeutic nucleic acid delivery are currently competing significantly with their viral counter parts due to their reduced immunogenicity, large payload capacity, and ease of manufacture under GMP-compliant norms. The approval of Onpattro, a lipid-based siRNA therapeutic, and the proven clinical success of two lipid-based COVID-19 vaccines from Pfizer-BioNTech, and Moderna heralded the specific advantages of lipid-based systems among all other synthetic nucleic acid carriers. Lipid-based systems with diverse payloads-plasmid DNA (pDNA), antisense oligonucleotide (ASO), small interfering RNA (siRNA), microRNA (miRNA), small activating RNA (saRNA), and messenger RNA (mRNA)-are now becoming a mature technology, with growing impact in the clinic. Research over four decades identified the key factors determining the therapeutic success of these multi-component systems. Here, we discuss the main nucleic acid-based technologies, presenting their mechanism of action, delivery barriers facing them, the structural properties of the payload as well as the component lipids that regulate physicochemical properties, pharmacokinetics and biodistribution, efficacy, and toxicity of the resultant nanoparticles. We further detail on the formulation parameters, evolution of the manufacturing techniques that generate reproducible and scalable outputs, and key manufacturing aspects that enable control over physicochemical properties of the resultant particles. Preclinical applications of some of these formulations that were successfully translated from in vitro studies to animal models are subsequently discussed. Finally, clinical success and failure of these systems starting from 1993 to present are highlighted, in a holistic literature review focused on lipid-based nucleic acid delivery systems. This article is categorized under: Therapeutic Approaches and Drug Discovery > Emerging Technologies Therapeutic Approaches and Drug Discovery > Nanomedicine for Oncologic Disease Toxicology and Regulatory Issues in Nanomedicine > Toxicology of Nanomaterials.
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Affiliation(s)
- Md Abu Sufian
- Department of Pharmaceutical Sciences and Moulder Center for Drug Discovery Research, School of Pharmacy, Temple University, 3307 North Broad Street, Philadelphia, PA 19140, USA
| | - Marc A. Ilies
- Department of Pharmaceutical Sciences and Moulder Center for Drug Discovery Research, School of Pharmacy, Temple University, 3307 North Broad Street, Philadelphia, PA 19140, USA
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6
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Amphiphilic N-oxyethylimidazolium calixarenes: Synthesis, micellar solubilization and molecular recognition of Adenine-containing nucleotides. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129236] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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7
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Gene-Delivery Ability of New Hydrogenated and Partially Fluorinated Gemini bispyridinium Surfactants with Six Methylene Spacers. Int J Mol Sci 2022; 23:ijms23063062. [PMID: 35328483 PMCID: PMC8949414 DOI: 10.3390/ijms23063062] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 02/22/2022] [Accepted: 03/09/2022] [Indexed: 01/22/2023] Open
Abstract
The pandemic emergency determined by the spreading worldwide of the SARS-CoV-2 virus has focused the scientific and economic efforts of the pharmaceutical industry and governments on the possibility to fight the virus by genetic immunization. The genetic material must be delivered inside the cells by means of vectors. Due to the risk of adverse or immunogenic reaction or replication connected with the more efficient viral vectors, non-viral vectors are in many cases considered as a preferred strategy for gene delivery into eukaryotic cells. This paper is devoted to the evaluation of the gene delivery ability of new synthesized gemini bis-pyridinium surfactants with six methylene spacers, both hydrogenated and fluorinated, in comparison with compounds with spacers of different lengths, previously studied. Results from MTT proliferation assay, electrophoresis mobility shift assay (EMSA), transient transfection assay tests and atomic force microscopy (AFM) imaging confirm that pyridinium gemini surfactants could be a valuable tool for gene delivery purposes, but their performance is highly dependent on the spacer length and strictly related to their structure in solution. All the fluorinated compounds are unable to transfect RD-4 cells, if used alone, but they are all able to deliver a plasmid carrying an enhanced green fluorescent protein (EGFP) expression cassette, when co-formulated with 1,2-dioleyl-sn-glycero-3-phosphoethanolamine (DOPE) in a 1:2 ratio. The fluorinated compounds with spacers formed by six (FGP6) and eight carbon atoms (FGP8) give rise to a very interesting gene delivery activity, greater to that of the commercial reagent, when formulated with DOPE. The hydrogenated compound GP16_6 is unable to sufficiently compact the DNA, as shown by AFM images.
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8
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Franke ME, Rehage H. Synthesis and characterisation of carboxy amide-bonded pyridinium Gemini surfactants: influence of the nature of the spacer group and counterions on the aggregation behaviour. TENSIDE SURFACT DET 2022. [DOI: 10.1515/tsd-2021-2401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
A series of novel dimeric pyridinium surfactants has been synthesised and the effects of a semi-flexible p-xylyl spacer and flexible, polyethylene glycol spacers have been studied. The nature of the spacer determines solubility and aggregation behaviour in two- and three-dimensional systems. Some of these insoluble compounds form two-dimensional, rigid-condensed structures at the air–water interface, while others form liquid-analogue monolayers. Whereas the latter compounds become soluble after exchange of the counterions, the former remain insoluble. The aggregation behaviour of Langmuir layers was, inter alia, investigated by Brewster angle microscopy. The micellisation behaviour of diluted aqueous solutions of soluble surfactants was primarily investigated by conductometric measurements and thermodynamic parameters of aggregation have been deduced with respect to the spacer length.
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Affiliation(s)
| | - Heinz Rehage
- Lehrstuhl für Physikalische Chemie II , Technische Universität Dortmund , Dortmund , Germany
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Wang R, Fu M, Yang J, Zhong Y, Zhang R, Zhang Q, Liu Y, Zhou Y. Surface Charge Regulation of MIL-100(Fe) by Anion Exchange for Demulsifying the Cationic Surfactant-Stabilized O/W Emulsion. ACS APPLIED MATERIALS & INTERFACES 2021; 13:49964-49973. [PMID: 34652892 DOI: 10.1021/acsami.1c14602] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Demulsifying ionic surfactant-stabilized emulsions remains an emerging issue due to the stringent electrostatic barriers. In this work, a phosphate-mediated anion exchange strategy was proposed to fabricate a metal-organic framework, MIL-100(Fe), with adjustable surface charge for effective demulsification toward a cationic surfactant-stabilized emulsion. By adjusting the pH of the phosphate precursor solution, the surface charge of MIL-100(Fe) can be fine-tuned. At pH 3.0, the phosphate-exchanged MIL-100(Fe) with the zeta potential decreasing from 21.4 to 6.1 mV exhibited a significant enhancement of the demulsification efficiency (DE) from 35 to 91%. Further elevating the pH to 9.0 results in the zeta potential of the phosphate-exchanged MIL-100(Fe) to be reversed to -2.0 mV, and the DE can be optimized to 96% within 5 min. The demulsification mechanism was systematically explored based on the zeta potential, distribution of the surfactant, viscoelastic modulus evaluation, and morphological characterization of the emulsion in combination with monitoring of the dynamics process of demulsification. It was found that the phosphate-exchanged MIL-100(Fe) captured by the emulsion can lead to the release of the surfactant and heterogenization of the interfacial film, causing the elasticity of the emulsion to decrease and the irreversible deformation of emulsion droplets. Consequently, the destabilized emulsion could be subjected to the effective demulsification either by the fusion pathway mediated by the phosphate-exchanged MIL-100(Fe) or direct rupture. This work emphasized a facile and promising approach to deal with the cationic surfactant-emulsified oily wastewater and disclosed the fundamental demulsification process.
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Affiliation(s)
- Rui Wang
- State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan Province 610500, China
- Carbon Neutralization Research Institute, School of New Energy and Materials, Southwest Petroleum University, Chengdu, Sichuan Province 610500, China
| | - Miao Fu
- Carbon Neutralization Research Institute, School of New Energy and Materials, Southwest Petroleum University, Chengdu, Sichuan Province 610500, China
| | - Juncai Yang
- Carbon Neutralization Research Institute, School of New Energy and Materials, Southwest Petroleum University, Chengdu, Sichuan Province 610500, China
| | - Yunqian Zhong
- Carbon Neutralization Research Institute, School of New Energy and Materials, Southwest Petroleum University, Chengdu, Sichuan Province 610500, China
| | - Ruiyang Zhang
- Carbon Neutralization Research Institute, School of New Energy and Materials, Southwest Petroleum University, Chengdu, Sichuan Province 610500, China
| | - Qian Zhang
- Carbon Neutralization Research Institute, School of New Energy and Materials, Southwest Petroleum University, Chengdu, Sichuan Province 610500, China
| | - Yucheng Liu
- College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, Sichuan Province 610500, China
| | - Ying Zhou
- State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan Province 610500, China
- Carbon Neutralization Research Institute, School of New Energy and Materials, Southwest Petroleum University, Chengdu, Sichuan Province 610500, China
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Abstract
RNA-based therapeutics have shown great promise in treating a broad spectrum of diseases through various mechanisms including knockdown of pathological genes, expression of therapeutic proteins, and programmed gene editing. Due to the inherent instability and negative-charges of RNA molecules, RNA-based therapeutics can make the most use of delivery systems to overcome biological barriers and to release the RNA payload into the cytosol. Among different types of delivery systems, lipid-based RNA delivery systems, particularly lipid nanoparticles (LNPs), have been extensively studied due to their unique properties, such as simple chemical synthesis of lipid components, scalable manufacturing processes of LNPs, and wide packaging capability. LNPs represent the most widely used delivery systems for RNA-based therapeutics, as evidenced by the clinical approvals of three LNP-RNA formulations, patisiran, BNT162b2, and mRNA-1273. This review covers recent advances of lipids, lipid derivatives, and lipid-derived macromolecules used in RNA delivery over the past several decades. We focus mainly on their chemical structures, synthetic routes, characterization, formulation methods, and structure-activity relationships. We also briefly describe the current status of representative preclinical studies and clinical trials and highlight future opportunities and challenges.
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Affiliation(s)
- Yuebao Zhang
- Division of Pharmaceutics & Pharmacology, College of Pharmacy, The Ohio State University, Columbus, Ohio 43210, United States
| | - Changzhen Sun
- Division of Pharmaceutics & Pharmacology, College of Pharmacy, The Ohio State University, Columbus, Ohio 43210, United States
| | - Chang Wang
- Division of Pharmaceutics & Pharmacology, College of Pharmacy, The Ohio State University, Columbus, Ohio 43210, United States
| | - Katarina E Jankovic
- Division of Pharmaceutics & Pharmacology, College of Pharmacy, The Ohio State University, Columbus, Ohio 43210, United States
| | - Yizhou Dong
- Division of Pharmaceutics & Pharmacology, College of Pharmacy, The Ohio State University, Columbus, Ohio 43210, United States
- Department of Biomedical Engineering, The Center for Clinical and Translational Science, The Comprehensive Cancer Center, Dorothy M. Davis Heart & Lung Research Institute, Department of Radiation Oncology, The Ohio State University, Columbus, Ohio 43210, United States
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11
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Partl GJ, Naier BFE, Bakry R, Schlapp-Hackl I, Kopacka H, Wurst K, Gelbrich T, Fliri L, Schottenberger H. Can't touch this: Highly omniphobic coatings based on self-textured C6-fluoroponytailed polyvinylimidazolium monoliths. J Fluor Chem 2021. [DOI: 10.1016/j.jfluchem.2021.109839] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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12
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Sánchez-Arribas N, Martínez-Negro M, Aicart-Ramos C, Tros de Ilarduya C, Aicart E, Guerrero-Martínez A, Junquera E. Gemini Cationic Lipid-Type Nanovectors Suitable for the Transfection of Therapeutic Plasmid DNA Encoding for Pro-Inflammatory Cytokine Interleukin-12. Pharmaceutics 2021; 13:729. [PMID: 34063469 PMCID: PMC8156092 DOI: 10.3390/pharmaceutics13050729] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 04/26/2021] [Accepted: 05/13/2021] [Indexed: 12/12/2022] Open
Abstract
Ample evidence exists on the role of interleukin-12 (IL-12) in the response against many pathogens, as well as on its remarkable antitumor properties. However, the unexpected toxicity and disappointing results in some clinical trials are prompting the design of new strategies and/or vectors for IL-12 delivery. This study was conceived to further endorse the use of gemini cationic lipids (GCLs) in combination with zwitterionic helper lipid DOPE (1,2-dioleoyl-sn-glycero-3-phosphatidyl ethanol amine) as nanovectors for the insertion of plasmid DNA encoding for IL-12 (pCMV-IL12) into cells. Optimal GCL formulations previously reported by us were selected for IL-12-based biophysical experiments. In vitro studies demonstrated efficient pCMV-IL12 transfection by GCLs with comparable or superior cytokine levels than those obtained with commercial control Lipofectamine2000*. Furthermore, the nanovectors did not present significant toxicity, showing high cell viability values. The proteins adsorbed on the nanovector surface were found to be mostly lipoproteins and serum albumin, which are both beneficial to increase the blood circulation time. These outstanding results are accompanied by an initial physicochemical characterization to confirm DNA compaction and protection by the lipid mixture. Although further studies would be necessary, the present GCLs exhibit promising characteristics as candidates for pCMV-IL12 transfection in future in vivo applications.
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Affiliation(s)
- Natalia Sánchez-Arribas
- Departamento de Química Física, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, 28040 Madrid, Spain; (N.S.-A.); (M.M.-N.); (E.A.); (A.G.-M.)
| | - María Martínez-Negro
- Departamento de Química Física, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, 28040 Madrid, Spain; (N.S.-A.); (M.M.-N.); (E.A.); (A.G.-M.)
| | - Clara Aicart-Ramos
- Departamento de Estructura de Macromoléculas, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas, 28049 Madrid, Spain;
| | - Conchita Tros de Ilarduya
- Departamento de Tecnología y Química Farmacéuticas, Facultad de Farmacia y Nutrición, Instituto de Investigación Sanitaria de Navarra (IdiSNA), Universidad de Navarra, 31080 Pamplona, Spain;
| | - Emilio Aicart
- Departamento de Química Física, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, 28040 Madrid, Spain; (N.S.-A.); (M.M.-N.); (E.A.); (A.G.-M.)
| | - Andrés Guerrero-Martínez
- Departamento de Química Física, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, 28040 Madrid, Spain; (N.S.-A.); (M.M.-N.); (E.A.); (A.G.-M.)
| | - Elena Junquera
- Departamento de Química Física, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, 28040 Madrid, Spain; (N.S.-A.); (M.M.-N.); (E.A.); (A.G.-M.)
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Aslam J, Hussain Lone I, Ansari F, Aslam A, Aslam R, Akram M. Molecular binding interaction of pyridinium based gemini surfactants with bovine serum albumin: Insights from physicochemical, multispectroscopic, and computational analysis. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 250:119350. [PMID: 33387804 DOI: 10.1016/j.saa.2020.119350] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 12/10/2020] [Accepted: 12/16/2020] [Indexed: 06/12/2023]
Abstract
To study the interaction of the series of pyridinium based gemini surfactants (GS) (referred to as m-Py-m, m = 14, 16); 4,4'-(propane-1,3-diyl)bis(1-(2-(tetradecyloxy)-2-oxoethyl) dipyridinium chloride (14-Py-14), and 4,4'-(propane-1,3-diyl) bis(1-(2-(hexadecyloxy)-2-oxoethyl)dipyridinium chloride (16-Py-16) with bovine serum albumin (BSA), various physicochemical and spectroscopic tools such as tensiometry, steady-state fluorescence, synchronous fluorescence, pyrene fluorescence, UV-visible, far-UV circular dichroism (CD) were utilized at physiological pH (7.4) and 298 K in combination with computational molecular modeling analysis. The tensiometric results show significant modifications in interfacial and thermodynamic parameters for m-Py-m GS upon BSA combination, deciphering the gemini surfactant-BSA interaction. Steady-state fluorescence analysis evaluates the structural alterations of BSA with the addition of m-Py-m GS. The plots of Stern-Volmer, modified Stern-Volmer, and thermodynamic parameters were used to determine the binding type of m-Py-m GS to BSA. The synchronous fluorescence spectra state a mild effect of gemini surfactants on the emission intensity of tyrosine (Tyr) residues, on the other hand, tryptophan (Trp) residues showed a significant effect. Post addition of GS, the plot of pyrene fluorescence reveals the mild micropolarity fluctuations via the probe (pyrene) molecules encapsulated in BSA. UV-visible experiments support the complex formation between the BSA and m-Py-m GS. Far-UV CD measurements revealed the modifications in the secondary structure of protein produced by m-Py-m GS. Furthermore, we also used the computational molecular modeling for attaining deep insight into BSA and m-Py-m GS binding and the results are supported with our experimental results.
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Affiliation(s)
- Jeenat Aslam
- Department of Chemistry, College of Science, Yanbu-30799, Taibah University, Al-Madina, Saudi Arabia.
| | - Irfan Hussain Lone
- Department of Chemistry, College of Science, Yanbu-30799, Taibah University, Al-Madina, Saudi Arabia
| | - Farah Ansari
- Department of Chemistry, Faculty of Science, Aligarh Muslim University, Aligarh 202002, India
| | - Afroz Aslam
- Department of Chemistry, Faculty of Science, Aligarh Muslim University, Aligarh 202002, India
| | - Ruby Aslam
- Corrosion Research Laboratory, Department of Applied Chemistry, Faculty of Engineering and Technology, Aligarh Muslim University, Aligarh 202002, India
| | - Mohd Akram
- Department of Chemistry, Faculty of Science, Aligarh Muslim University, Aligarh 202002, India.
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Biocompatible supramolecular systems based on novel cationic imidazolium- and urethane-containing amphiphiles: Self-assembly and antimicrobial properties. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.114094] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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15
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Pashirova TN, Sapunova AS, Lukashenko SS, Burilova EA, Lubina AP, Shaihutdinova ZM, Gerasimova TP, Kovalenko VI, Voloshina AD, Souto EB, Zakharova LY. Synthesis, structure-activity relationship and biological evaluation of tetracationic gemini Dabco-surfactants for transdermal liposomal formulations. Int J Pharm 2019; 575:118953. [PMID: 31843548 DOI: 10.1016/j.ijpharm.2019.118953] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Revised: 11/15/2019] [Accepted: 12/11/2019] [Indexed: 01/08/2023]
Abstract
In this study, we report the relationship between structure, self-assembly behavior and antimicrobial activity of multicationic gemini surfactants and their successful use as stabilizers of a new liposomal formulation for transdermal drug delivery. New surfactants containing natural moiety 1,4-diazabicyclo[2.2.2]octane with four charges and two hydrophobic chains (n-Dabco-s-Dabco-n, where s = 2, 6, 12 and n = 12, 14, 16, 18) were synthesized. A linear dependence of the CMC decrease, with the increase of the number of carbon atoms in alkyl groups (slope 0.23) was shown. The aggregation numbers of n-Dabco-2-Dabco-n are smaller than 30 and they decrease with increasing alkyl chain length. This is in compliance with the larger surface area per n-Dabco-2-Dabco-n molecule. New liposomal formulations loading Rhodamine B phosphatidylcholine (with mean size about 100 nm and increased zeta potential from -7 ± 2 mV to +55 ± 2 mV) have been successfully stabilized by n-Dabco-s-Dabco-n surfactants. These formulations were designed to improve the bioavailability and skin permeation of loaded compound. The antibacterial activity of Dabco-surfactants was shown to be strongly affected by their structure (alkyl chain length and number of charged nitrogen). 12-Dabco-2-Dabco-12 was the most active (MIC = 0.48, 0.98 and 15.6 µg/mL against S. aureus, B. cereus and E. coli, respectively) without hemolytic activity at 3.1 µg/mL concentration. PC/14-Dabco-2-Dabco-14-liposomes were shown to be the best formulation, with the highest antibacterial activity against Sa (MIC = 7.8 μg‧mL-1) and lowest cytotoxicity (IC50 > 125). The modification of liposomes by Dabco-surfactants stabilizes the membrane of the vesicles, preventing the release of rhodamine B and impairing the penetration of the dye across Strat-M® membrane. Cellular uptake of rhodamine B-loaded PC/12-Dabco-2-Dabco-12-liposomes was also reported. This is the first example of cationic mixed liposomes containing Dabco-surfactants of potential interest for transdermal drug delivery.
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Affiliation(s)
- T N Pashirova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of Russian Academy of Sciences, Arbuzov St., 8, Kazan 420088, Russia.
| | - A S Sapunova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of Russian Academy of Sciences, Arbuzov St., 8, Kazan 420088, Russia
| | - S S Lukashenko
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of Russian Academy of Sciences, Arbuzov St., 8, Kazan 420088, Russia
| | - E A Burilova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of Russian Academy of Sciences, Arbuzov St., 8, Kazan 420088, Russia
| | - A P Lubina
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of Russian Academy of Sciences, Arbuzov St., 8, Kazan 420088, Russia
| | - Z M Shaihutdinova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of Russian Academy of Sciences, Arbuzov St., 8, Kazan 420088, Russia
| | - T P Gerasimova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of Russian Academy of Sciences, Arbuzov St., 8, Kazan 420088, Russia
| | - V I Kovalenko
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of Russian Academy of Sciences, Arbuzov St., 8, Kazan 420088, Russia
| | - A D Voloshina
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of Russian Academy of Sciences, Arbuzov St., 8, Kazan 420088, Russia
| | - E B Souto
- Department of Pharmaceutical Terchnology, Faculty of Pharmacy, University of Coimbra (FFUC), Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal; CEB - Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
| | - L Ya Zakharova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of Russian Academy of Sciences, Arbuzov St., 8, Kazan 420088, Russia
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16
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Huang M, Ma J, Wu X, Zhao M, Wang L, Che F, Qian H. Synthesis, Surface Activity, and Antimicrobial Efficacy of Hydrogenated Cardanol‐Derived Positively Charged Asymmetric Gemini Surfactants. J SURFACTANTS DETERG 2019. [DOI: 10.1002/jsde.12324] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Mengen Huang
- Key Laboratory for Advanced Materials, Institute of Fine Chemicals, School of Chemistry and Molecular EngineeringEast China University of Science and Technology 130 Meilong Road, Shanghai 200237 P. R. China
| | - Jingyi Ma
- Key Laboratory for Advanced Materials, Institute of Fine Chemicals, School of Chemistry and Molecular EngineeringEast China University of Science and Technology 130 Meilong Road, Shanghai 200237 P. R. China
| | - Xunshen Wu
- Key Laboratory for Advanced Materials, Institute of Fine Chemicals, School of Chemistry and Molecular EngineeringEast China University of Science and Technology 130 Meilong Road, Shanghai 200237 P. R. China
| | - Min Zhao
- School of Chemistry and Molecular EngineeringEast China University of Science and Technology 130 Meilong Road, Shanghai 200237 P. R. China
| | - Limin Wang
- Key Laboratory for Advanced Materials, Institute of Fine Chemicals, School of Chemistry and Molecular EngineeringEast China University of Science and Technology 130 Meilong Road, Shanghai 200237 P. R. China
- Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic ChemistryThe Chinese Academy of Sciences 345 Lingling Road, Shanghai 200032 P. R. China
| | - Fei Che
- Shanghai Bronkow Chemical Co., Ltd. Chuangtong Road 88, Jinshan District, Shanghai 201512 China
| | - Hui Qian
- Shanghai Bronkow Chemical Co., Ltd. Chuangtong Road 88, Jinshan District, Shanghai 201512 China
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17
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Franke ME, Rehage H. Effects of Chirality on the Aggregation Properties of Amide-Bonded Pyridinium Gemini Surfactants. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:8968-8976. [PMID: 31189311 DOI: 10.1021/acs.langmuir.9b00592] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
In a series of experiments, we synthesized and characterized a new type of cationic gemini surfactant, the chiral and the achiral forms, which were compared regarding their surface-active properties. These surfactants show interesting aggregation processes, which are affected by the interplay of different structural characteristics. By substituting the counterions, we found a way to control the solubility of these compounds in order to investigate the behavior of solutions as well as insoluble monolayers. The comparison of the chiral with the meso compound instead of the racemic mixture is a major advantage for the analysis of the effects of chirality because racemates can be understood as a mixed surfactant system with one additional degree of Gibbs freedom. Furthermore, we investigated the viscoelastic behavior of concentrated aqueous surfactant solutions which formed elongated wormlike micelles. A strong effect of the stereochemistry on the aggregation properties of Langmuir layers as well as elongated micelles was found.
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Affiliation(s)
- Maximilian E Franke
- Lehrstuhl für Physikalische Chemie II , Technische Universität Dortmund , D-44227 Dortmund , Germany
| | - Heinz Rehage
- Lehrstuhl für Physikalische Chemie II , Technische Universität Dortmund , D-44227 Dortmund , Germany
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18
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19
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Xing H, Lu M, Yang T, Liu H, Sun Y, Zhao X, Xu H, Yang L, Ding P. Structure-function relationships of nonviral gene vectors: Lessons from antimicrobial polymers. Acta Biomater 2019; 86:15-40. [PMID: 30590184 DOI: 10.1016/j.actbio.2018.12.041] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2018] [Revised: 11/22/2018] [Accepted: 12/21/2018] [Indexed: 01/13/2023]
Abstract
In recent years, substantial advances have been achieved in the design and synthesis of nonviral gene vectors. However, lack of effective and biocompatible vectors still remains a major challenge that hinders their application in clinical settings. In the past decade, there has been a rapid expansion of cationic antimicrobial polymers, due to their potent, rapid, and broad-spectrum biocidal activity against resistant microbes, and biocompatible features. Given that antimicrobial polymers share common features with nonviral gene vectors in various aspects, such as membrane affinity, functional groups, physicochemical characteristics, and unique macromolecular architectures, these polymers may provide us with inspirations to overcome challenges in the design of novel vectors toward more safe and efficient gene delivery in clinic. Building off these observations, we provide here an overview of the structure-function relationships of polymers for both antimicrobial applications and gene delivery by elaborating some key structural parameters, including functional groups, charge density, hydrophobic/hydrophilic balance, MW, and macromolecular architectures. By borrowing a leaf from antimicrobial agents, great advancement in the development of newer nonviral gene vectors with high transfection efficiency and biocompatibility will be more promising. STATEMENT OF SIGNIFICANCE: The development of gene delivery is still in the preclinical stage for the lack of effective and biocompatible vectors. Given that antimicrobial polymers share common features with gene vectors in various aspects, such as membrane affinity, functional groups, physicochemical characteristics, and unique macromolecular architectures, these polymers may provide us with inspirations to overcome challenges in the design of novel vectors toward more safe and efficient gene delivery in clinic. In this review, we systematically summarized the structure-function relationships of antimicrobial polymers and gene vectors, with which the design of more advanced nonviral gene vectors is anticipated to be further boosted in the future.
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Affiliation(s)
- Haonan Xing
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Mei Lu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Tianzhi Yang
- Department of Basic Pharmaceutical Sciences, School of Pharmacy, Husson University, Bangor, ME, USA
| | - Hui Liu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Yanping Sun
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Xiaoyun Zhao
- School of Life Science and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang, China
| | - Hui Xu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Li Yang
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China.
| | - Pingtian Ding
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China.
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20
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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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21
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Wonder E, Simón-Gracia L, Scodeller P, Majzoub RN, Kotamraju VR, Ewert KK, Teesalu T, Safinya CR. Competition of charge-mediated and specific binding by peptide-tagged cationic liposome-DNA nanoparticles in vitro and in vivo. Biomaterials 2018; 166:52-63. [PMID: 29544111 PMCID: PMC5944340 DOI: 10.1016/j.biomaterials.2018.02.052] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Revised: 02/14/2018] [Accepted: 02/27/2018] [Indexed: 12/31/2022]
Abstract
Cationic liposome-nucleic acid (CL-NA) complexes, which form spontaneously, are a highly modular gene delivery system. These complexes can be sterically stabilized via PEGylation [PEG: poly (ethylene glycol)] into nanoparticles (NPs) and targeted to specific tissues and cell types via the conjugation of an affinity ligand. However, there are currently no guidelines on how to effectively navigate the large space of compositional parameters that modulate the specific and nonspecific binding interactions of peptide-targeted NPs with cells. Such guidelines are desirable to accelerate the optimization of formulations with novel peptides. Using PEG-lipids functionalized with a library of prototypical tumor-homing peptides, we varied the peptide density and other parameters (binding motif, peptide charge, CL/DNA charge ratio) to study their effect on the binding and uptake of the corresponding NPs. We used flow cytometry to quantitatively assess binding as well as internalization of NPs by cultured cancer cells. Surprisingly, full peptide coverage resulted in less binding and internalization than intermediate coverage, with the optimum coverage varying between cell lines. In, addition, our data revealed that great care must be taken to prevent nonspecific electrostatic interactions from interfering with the desired specific binding and internalization. Importantly, such considerations must take into account the charge of the peptide ligand as well as the membrane charge density and the CL/DNA charge ratio. To test our guidelines, we evaluated the in vivo tumor selectivity of selected NP formulations in a mouse model of peritoneally disseminated human gastric cancer. Intraperitoneally administered peptide-tagged CL-DNA NPs showed tumor binding, minimal accumulation in healthy control tissues, and preferential penetration of smaller tumor nodules, a highly clinically relevant target known to drive recurrence of the peritoneal cancer.
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Affiliation(s)
- Emily Wonder
- Materials, Physics, and Molecular, Cellular, & Developmental Biology Departments, University of California at Santa Barbara, Santa Barbara, CA 93106, USA
| | - Lorena Simón-Gracia
- Laboratory of Cancer Biology, Institute of Biomedicine and Translational Medicine, Centre of Excellence for Translational Medicine, University of Tartu, Ravila 14b, 50411 Tartu, Estonia
| | - Pablo Scodeller
- Laboratory of Cancer Biology, Institute of Biomedicine and Translational Medicine, Centre of Excellence for Translational Medicine, University of Tartu, Ravila 14b, 50411 Tartu, Estonia; Sanford Burnham Prebys Medical Discovery Institute, 10901 North Torrey Pines Road, La Jolla, CA 92037, USA
| | - Ramsey N Majzoub
- Materials, Physics, and Molecular, Cellular, & Developmental Biology Departments, University of California at Santa Barbara, Santa Barbara, CA 93106, USA
| | - Venkata Ramana Kotamraju
- Sanford Burnham Prebys Medical Discovery Institute, 10901 North Torrey Pines Road, La Jolla, CA 92037, USA
| | - Kai K Ewert
- Materials, Physics, and Molecular, Cellular, & Developmental Biology Departments, University of California at Santa Barbara, Santa Barbara, CA 93106, USA
| | - Tambet Teesalu
- Materials, Physics, and Molecular, Cellular, & Developmental Biology Departments, University of California at Santa Barbara, Santa Barbara, CA 93106, USA; Laboratory of Cancer Biology, Institute of Biomedicine and Translational Medicine, Centre of Excellence for Translational Medicine, University of Tartu, Ravila 14b, 50411 Tartu, Estonia; Sanford Burnham Prebys Medical Discovery Institute, 10901 North Torrey Pines Road, La Jolla, CA 92037, USA.
| | - Cyrus R Safinya
- Materials, Physics, and Molecular, Cellular, & Developmental Biology Departments, University of California at Santa Barbara, Santa Barbara, CA 93106, USA.
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22
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Huang M, Xu S, Wu X, Zhao M, Wang L. Synthesis, Surface Activity, and Antimicrobial Efficacy of Diaryliodonium Salt-Derived Amphiphiles. J SURFACTANTS DETERG 2018. [DOI: 10.1002/jsde.12038] [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)
- Mengen Huang
- Key Laboratory for Advanced Materials, Institute of Fine Chemicals, School of Chemistry and Molecular Engineering; East China University of Science and Technology, 130 Meilong Road; Shanghai 200237 China
| | - Shujia Xu
- Key Laboratory for Advanced Materials, Institute of Fine Chemicals, School of Chemistry and Molecular Engineering; East China University of Science and Technology, 130 Meilong Road; Shanghai 200237 China
| | - Xunshen Wu
- Key Laboratory for Advanced Materials, Institute of Fine Chemicals, School of Chemistry and Molecular Engineering; East China University of Science and Technology, 130 Meilong Road; Shanghai 200237 China
| | - Min Zhao
- School of Chemistry and Molecular Engineering; East China University of Science and Technology, 130 Meilong Road; Shanghai 200237 China
| | - Limin Wang
- Key Laboratory for Advanced Materials, Institute of Fine Chemicals, School of Chemistry and Molecular Engineering; East China University of Science and Technology, 130 Meilong Road; Shanghai 200237 China
- Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic Chemistry; The Chinese Academy of Sciences, 345 Lingling Road; Shanghai 200032 China
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Gravel J, Schmitzer AR. Imidazolium and benzimidazolium-containing compounds: from simple toxic salts to highly bioactive drugs. Org Biomol Chem 2018; 15:1051-1071. [PMID: 28045182 DOI: 10.1039/c6ob02293f] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The toxicity of simple imidazolium and benzimidazolium salts started to be more and more investigated in the last few years and was taken in consideration in the context of microorganisms, plants and more evolved organisms' exposure. However, the toxicity of these salts can be exploited in the development of different biological applications by incorporating them in the structure of compounds that specifically target microorganisms and cancer cells. We highlight in this minireview the way researchers became aware of the inherent problem of the stability and bioaccumulation of imidazolium and benzimidazolium salts and how they found inspiration to exploit their toxicity by incorporating them into new highly potent drugs.
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Affiliation(s)
- J Gravel
- Département de Chimie- Université de Montréal, 2900 Edouard Montpetit CP 6128 Succursalle Centre Ville Montréal Québec, Canada H3C 3J7.
| | - A R Schmitzer
- Département de Chimie- Université de Montréal, 2900 Edouard Montpetit CP 6128 Succursalle Centre Ville Montréal Québec, Canada H3C 3J7.
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Tetraphenylethylene-based gemini surfactant as nonviral gene delivery system: DNA complexation, gene transfection and cellular tracking. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2017.08.020] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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25
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Tang L, Yang J, Yin Q, Yang L, Gong D, Qin F, Liu J, Fan Q, Li J, Zhao W, Zhang W, Wang J, Zhu T, Zhang W, Liu J. Janus particles self-assembled from a small organic atypical asymmetric gemini surfactant. Chem Commun (Camb) 2018; 53:8675-8678. [PMID: 28722057 DOI: 10.1039/c7cc03973e] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
A series of atypical asymmetric gemini surfactants with an amphiphilic carbonate group (-O-CO-O-) have been prepared. Some of these compounds could self-assemble in water into gourd-shaped Janus particles (JPs). Initial results suggested that the formation of JPs was highly likely to be related to their atypical gemini surfactant structure. To our knowledge, this is the first report on JPs that are self-assembled from a single kind of small organic molecule. We believe that our results will be utilized in many fields.
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Affiliation(s)
- Lei Tang
- Laboratory of Anaestheisa & Critical Care Medicine, Translational Neuroscience Center, and Department of Anaesthesiology, West China Hospital, Sichuan University, Chengdu 610041, P. R. China.
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26
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Cheng Y, Liu X, Lei Q, Li X, Dong J. Development of novel anionic Gemini surfactants and application in fabricating hierarchical silver microparticles for surface-enhanced Raman spectroscopy. J Colloid Interface Sci 2017; 505:1074-1081. [DOI: 10.1016/j.jcis.2017.06.073] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Revised: 06/13/2017] [Accepted: 06/21/2017] [Indexed: 11/29/2022]
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27
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Nessim MI, Osman MM, Ismail DA. Surface-active properties of new cationic gemini surfactants with cyclic spacer. J DISPER SCI TECHNOL 2017. [DOI: 10.1080/01932691.2017.1381916] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Maher I. Nessim
- Department of Analysis and Evaluation, Egyptian Petroleum Research Institute, Cairo, Egypt
| | - Magda M. Osman
- Department of Analysis and Evaluation, Egyptian Petroleum Research Institute, Cairo, Egypt
| | - Dina A. Ismail
- Department of Analysis and Evaluation, Egyptian Petroleum Research Institute, Cairo, Egypt
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Rehman J, Sowah-Kuma D, Stevens AL, Bu W, Paige MF. Mixing Behavior in Binary Anionic Gemini Surfactant-Perfluorinated Fatty Acid Langmuir Monolayers. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:10205-10215. [PMID: 28873306 DOI: 10.1021/acs.langmuir.7b02585] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The miscibility and film structure of mixed Langmuir monolayer films composed of an anionic gemini N,N,N',N'-dialkyl-N,N'-diacetate ethylenediamine surfactant (Ace(12)-2-Ace(12)) with perfluorotetradecanoic acid (C13F27COOH; PF) have been investigated using a variety of thermodynamic and structural characterization methods. The two film components were found to be miscible in monolayers at the air-water interface over a range of compositions and at all but the lowest surface pressures, with attractive interactions occurring between the two components. While pure PF monolayers formed crystalline lattices with hexagonal symmetry and with the surfactant tails oriented normal to the underlying water subphase, the pure gemini surfactant formed amorphous films with little tendency to orient at the subphase. In mixed films with mole ratios of PF:Ace(12)-2-Ace(12) < 2.5, the miscibility of the two components resulted in a nearly complete loss of crystallinity of the PF, though films at higher mole fractions of PF showed some residual crystallinity, albeit with lattice structures that were significantly different from that of pure PF. Miscibility and film structure in this mixed system are discussed in comparison with other mixed gemini surfactant systems in the literature as well as binary mixtures of phospholipids or monomeric fatty acids with PF.
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Affiliation(s)
- Jeveria Rehman
- Department of Chemistry, University of Saskatchewan , Saskatoon, SK, Canada
| | - David Sowah-Kuma
- Department of Chemistry, University of Saskatchewan , Saskatoon, SK, Canada
| | - Amy L Stevens
- Department of Chemistry, University of Saskatchewan , Saskatoon, SK, Canada
| | - Wei Bu
- Center for Advanced Radiation Sources, The University of Chicago , Chicago, Illinois 60637, United States
| | - Matthew F Paige
- Department of Chemistry, University of Saskatchewan , Saskatoon, SK, Canada
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Bhadani A, Kafle A, Koura S, Sakai K, Sakai H, Abe M. Physicochemical Evaluation of Micellar Solution and Lyotropic Phases Formed by Self-Assembled Aggregates of Morpholinium Geminis. ACS OMEGA 2017; 2:5324-5334. [PMID: 31457801 PMCID: PMC6644452 DOI: 10.1021/acsomega.7b00428] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Accepted: 08/17/2017] [Indexed: 06/10/2023]
Abstract
The micellar solution and the lyotropic liquid crystalline phases formed by gemini surfactants containing morpholinium headgroups are investigated for their self-aggregation and physicochemical properties in water. These gemini surfactants demonstrated good surface activity because they are able to undergo micellization at lower concentration and form nanosized micellar aggregates in dilute aqueous solution. The binary mixture of the morpholinium gemini surfactant-water system is investigated over a wide range of concentrations. The micellar solution of the morpholinium gemini surfactants demonstrated Newtonian fluidlike behavior between 10 and 50 wt % as the observed viscosities were independent of the applied shear rate. At higher concentration, morpholinium geminis formed self-assembled lyotropic phases in water. These liquid crystalline phases were characterized by small-angle X-ray scattering and polarized optical microscopy techniques.
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Affiliation(s)
- Avinash Bhadani
- Research
Institute for Science and Technology and Department of Pure and Applied
Chemistry, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
| | - Ananda Kafle
- Research
Institute for Science and Technology and Department of Pure and Applied
Chemistry, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
| | - Setsuko Koura
- Department
of Applied Chemistry, Chiba Institute of
Technology, 2-17-1, Tsudanuma, Narashino, Chiba 275-8588, Japan
| | - Kenichi Sakai
- Research
Institute for Science and Technology and Department of Pure and Applied
Chemistry, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
| | - Hideki Sakai
- Research
Institute for Science and Technology and Department of Pure and Applied
Chemistry, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
| | - Masahiko Abe
- Research
Institute for Science and Technology and Department of Pure and Applied
Chemistry, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
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Satyal U, Draghici B, Dragic LL, Zhang Q, Norris KW, Madesh M, Brailoiu E, Ilies MA. Interfacially Engineered Pyridinium Pseudogemini Surfactants as Versatile and Efficient Supramolecular Delivery Systems for DNA, siRNA, and mRNA. ACS APPLIED MATERIALS & INTERFACES 2017; 9:29481-29495. [PMID: 28809098 PMCID: PMC7774514 DOI: 10.1021/acsami.7b07066] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
This article presents the synthesis, self-assembly, and biological activity as transfection agents for pDNA, siRNA, and mRNA of novel pyridinium pseudogemini surfactants, interfacially engineered from the most efficient gemini surfactants and lipids generated in our amphiphile research program. Formulation of novel amphiphiles in water revealed supramolecular properties very similar to those of gemini surfactants, despite their lipidlike charge/mass ratio. This dual character was found also to enhance endosomal escape and significantly increase the transfection efficiency. We were also successful in identifying the parameters governing the efficient delivery of pDNA, siRNA, and mRNA, drawing valuable structure-activity and structure-property relationships for each nucleic acid type, and establishing DNA/siRNA/mRNA comparisons. Several supramolecular complexes identified in this study proved to be extremely efficient nucleic acid delivery systems, displaying excellent serum stability and tissue penetration in three-dimensional organoids.
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Affiliation(s)
- Uttam Satyal
- Department of Pharmaceutical Sciences and Moulder Center of Drug Discovery Research, Temple University School of Pharmacy, Philadelphia, Pennsylvania 19140, United States
| | - Bogdan Draghici
- Department of Pharmaceutical Sciences and Moulder Center of Drug Discovery Research, Temple University School of Pharmacy, Philadelphia, Pennsylvania 19140, United States
| | - Lisa L. Dragic
- Department of Pharmaceutical Sciences and Moulder Center of Drug Discovery Research, Temple University School of Pharmacy, Philadelphia, Pennsylvania 19140, United States
| | - Qiangnan Zhang
- Department of Pharmaceutical Sciences and Moulder Center of Drug Discovery Research, Temple University School of Pharmacy, Philadelphia, Pennsylvania 19140, United States
| | - Kyle W. Norris
- Department of Pharmaceutical Sciences and Moulder Center of Drug Discovery Research, Temple University School of Pharmacy, Philadelphia, Pennsylvania 19140, United States
| | - Muniswamy Madesh
- Department of Medical Genetics and Molecular Biochemistry, Center for Translational Medicine, Philadelphia, Pennsylvania 19140, United States
| | - Eugen Brailoiu
- Center for Substance Abuse Research, Temple University School of Medicine, 3500 North Broad Street, Philadelphia, Pennsylvania 19140, United States
| | - Marc A. Ilies
- Department of Pharmaceutical Sciences and Moulder Center of Drug Discovery Research, Temple University School of Pharmacy, Philadelphia, Pennsylvania 19140, United States
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31
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Cationic silicon-based gemini surfactants: Effect of hydrophobic chains on surface activity, physic-chemical properties and aggregation behaviors. J IND ENG CHEM 2017. [DOI: 10.1016/j.jiec.2017.03.045] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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32
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Gosangi M, Rapaka H, Ravula V, Patri SV. Evolution of New “Bolaliposomes” using Novel α-Tocopheryl Succinate Based Cationic Lipid and 1,12-Disubstituted Dodecane-Based Bolaamphiphile for Efficient Gene Delivery. Bioconjug Chem 2017; 28:1965-1977. [DOI: 10.1021/acs.bioconjchem.7b00283] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | - Hithavani Rapaka
- National Institute of Technology, Warangal 506004, Telangana, India
| | - Venkatesh Ravula
- National Institute of Technology, Warangal 506004, Telangana, India
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33
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McDaniel JG, Yethiraj A. Coupling between the Dynamics of Water and Surfactants in Lyotropic Liquid Crystals. J Phys Chem B 2017; 121:5048-5057. [DOI: 10.1021/acs.jpcb.7b02551] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jesse G. McDaniel
- Department of Chemistry, University of Wisconsin, Madison, Wisconsin 53706, United States
| | - Arun Yethiraj
- Department of Chemistry, University of Wisconsin, Madison, Wisconsin 53706, United States
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Ding AX, Tan ZL, Shi YD, Song L, Gong B, Lu ZL. Gemini-Type Tetraphenylethylene Amphiphiles Containing [12]aneN 3 and Long Hydrocarbon Chains as Nonviral Gene Vectors and Gene Delivery Monitors. ACS APPLIED MATERIALS & INTERFACES 2017; 9:11546-11556. [PMID: 28294601 DOI: 10.1021/acsami.7b01850] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Four gemini amphiphiles decorated with triazole-[12]aneN3 as the hydrophilic moiety and various long hydrocarbons as hydrophobic moieties, 1-4, were designed to form micelles possessing the aggregation-induced emission (AIE) property for gene delivery and tracing. All four amphiphiles give ultralow critical micelle concentrations, are pH-/photostable and biocompatible, and completely retard the migration of plasmid DNAs at low concentrations. The DNA-binding abilities of the micelles were fully assessed. The coaggregated nanoparticles of 1-4 with DNAs could convert back into AIE micelles. In vitro transfections indicated that lipids 1 and 2 and their originated liposomes bearing decent delivering abilities have great potentials as nonviral vectors. Finally, on the basis of the transfection and the transitions between condensates and micelles, lipid 2 was singled out as the first example for real-time tracing of the intracellular deliveries of nonlabeled DNA, which provides spatiotemporal messages about the processes of condensate uptake and DNA release.
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Affiliation(s)
- Ai-Xiang Ding
- Key Laboratory of Radiopharmaceuticals, Ministry of Education, College of Chemistry, Beijing Normal University , Beijing 100875, China
- College of Chemistry and Chemical Engineering, Xinyang Normal University , Xinyang 464000, China
| | - Zheng-Li Tan
- Key Laboratory of Radiopharmaceuticals, Ministry of Education, College of Chemistry, Beijing Normal University , Beijing 100875, China
| | - You-Di Shi
- Key Laboratory of Radiopharmaceuticals, Ministry of Education, College of Chemistry, Beijing Normal University , Beijing 100875, China
| | - Lin Song
- Key Laboratory of Radiopharmaceuticals, Ministry of Education, College of Chemistry, Beijing Normal University , Beijing 100875, China
| | - Bing Gong
- Key Laboratory of Radiopharmaceuticals, Ministry of Education, College of Chemistry, Beijing Normal University , Beijing 100875, China
- Department of Chemistry, State University of New York , Buffalo, New York 14260, United States
| | - Zhong-Lin Lu
- Key Laboratory of Radiopharmaceuticals, Ministry of Education, College of Chemistry, Beijing Normal University , Beijing 100875, China
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35
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Gosangi M, Rapaka H, Mujahid TY, Patri SV. Novel 1,2,3-triazolium-based dicationic amphiphiles synthesized using click-chemistry approach for efficient plasmid delivery. MEDCHEMCOMM 2017; 8:989-999. [PMID: 30108814 DOI: 10.1039/c6md00699j] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Accepted: 02/18/2017] [Indexed: 12/17/2022]
Abstract
Herein, we report the synthesis, characterization and evaluation of the transfection efficiencies of a series of dicationic amphiphiles designed to construct quaternary ammonium ion-based cationic lipids varying in chain length of the hydrophobic back bone connected individually through head group to a 1,2,3-triazolium cation consisting of 2-hydroxy ethyl chain as substitution. Accordingly, three dicationic amphiphiles were synthesized by "click chemistry" approach and formulated to bilayered vesicles using DOPE as a co-lipid. The transfection efficacies of these novel lipid formulations were measured and correlated with the results obtained from various physicochemical techniques. Importantly, the observed gradient in the activity profile, where the transfection potential increased with decreasing chain length of the lipid hydrophobic back bone, highlights the synergistic interplay of the lipid alkyl chain length in coordination with charge delocalization in modulating the transfection potency of these 1,2,3-triazolium-based lipids.
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Affiliation(s)
| | - Hithavani Rapaka
- National Institute of Technology , Warangal-506004 , Telangana , India
| | - Thasneem Yoosuf Mujahid
- CSIR-Centre for Cellular and Molecular Biology , Uppal Road , Hyderabad-500007 , Telangana , India .
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36
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Grirrane A, Álvarez E, García H, Corma A. Preparation of Tremorine and Gemini Surfactant Precursors with Cationic Ethynyl-Bridged Digold Catalysts. Chemistry 2017; 23:2792-2801. [PMID: 28009064 DOI: 10.1002/chem.201605269] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2016] [Indexed: 01/08/2023]
Abstract
Tremorine and precursors of gemini surfactants were synthesised in a one-pot, three-step, double-catalytic A3 coupling reaction and characterised by structural and spectroscopic methods. The cationic [AuI (L1)]SbF6 complex is a more active catalyst compared to neutral L2- and L3-AuI bis(trifluoromethanesulfonyl)imidate complexes (L1, L2=Buchwald-type biaryl phosphane; L3=triphenylphosphine) in promoting the double A3 coupling of ethynyltrimethylsilane, secondary amines (cyclic, aliphatic, or aromatic) and formaldehyde. The solvent influences the catalytic performance by desilylation of silyl acetylene or deactivation of the catalyst by a halide anion. Acetylide-bridged cationic digold(I) L1 and L2 complexes were isolated and characterised by means of single-crystal X-ray structure analysis and their spectroscopic properties. Iodine in the acetylene reagent deactivates the AuI catalyst by formation of the less active iodido-bridged cationic digold(I) L1 complex, which was fully characterised by single-crystal X-ray crystal structure analysis and spectroscopy. The nature of the phosphine ligand of the gold complexes used as catalyst affects the stability and activity of the formed cationic ethynyl-bridged AuI2 -L intermediates, isolation of which lends support to the proposed double A3 coupling mechanism.
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Affiliation(s)
- Abdessamad Grirrane
- Instituto Universitario de Tecnología Química CSIC-UPV, Universitat Politècnica de València, Av. De los Naranjos s/n, 46022, Valencia, Spain
| | - Eleuterio Álvarez
- Departamento de Química Inorgánica, Instituto de Investigaciones Químicas CSIC-US, Av. Américo Vespucio 49, 41092, Sevilla, Spain
| | - Hermenegildo García
- Instituto Universitario de Tecnología Química CSIC-UPV, Universitat Politècnica de València, Av. De los Naranjos s/n, 46022, Valencia, Spain
| | - Avelino Corma
- Instituto Universitario de Tecnología Química CSIC-UPV, Universitat Politècnica de València, Av. De los Naranjos s/n, 46022, Valencia, Spain
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37
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Han L, Wang T, Wu J, Yin X, Fang H, Zhang N. A facile route to form self-carried redox-responsive vorinostat nanodrug for effective solid tumor therapy. Int J Nanomedicine 2016; 11:6003-6022. [PMID: 27956831 PMCID: PMC5113930 DOI: 10.2147/ijn.s118727] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Small molecule-based nanodrugs with nanoparticles (NPs) that are mainly composed of small molecules, have been considered as a promising candidate for a next-generation nanodrug, owing to their unique properties. Vorinostat (SAHA) is a canonical US Food and Drug Administration-approved histone deacetylase (HDAC) inhibitor for the treatment of cutaneous T-cell lymphoma. However, the lack of efficacy against solid tumors hinders its progress in clinical use. Herein, a novel nanodrug of SAHA was developed based on disulfide-linked prodrug SAHA-S-S-VE. SAHA-S-S-VE could self-assemble into 148 nm NPs by disulfide-induced mechanisms, which were validated by molecular dynamics simulations. Under reduced conditions, the redox-responsive behavior of SAHA-S-S-VE was investigated, and the HDAC inhibition results verified the efficient release of free SAHA. With a biocompatible d-a-tocopheryl polyethylene glycol succinate (TPGS) functionalization, the SAHA-S-S-VE/TPGS NPs exhibited low critical aggregation concentration of 4.5 μM and outstanding stability in vitro with drug-loading capacity of 24%. In vitro biological assessment indicated that SAHA-S-S-VE/TPGS NPs had significant anticancer activity against HepG2. Further in vivo evaluation demonstrated that the resulting NPs could be accumulated in the tumor region and inhibit the tumor growth effectively. This approach, which turned SAHA into a self-assembled redox-responsive nanodrug, provided a new channel for the use of HDAC inhibitor in solid tumor therapy.
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Affiliation(s)
- Leiqiang Han
- School of Pharmaceutical Science, Shandong University, Ji'nan, Shandong, People's Republic of China
| | - Tianqi Wang
- School of Pharmaceutical Science, Shandong University, Ji'nan, Shandong, People's Republic of China
| | - Jingliang Wu
- School of Pharmaceutical Science, Shandong University, Ji'nan, Shandong, People's Republic of China
| | - Xiaolan Yin
- School of Pharmaceutical Science, Shandong University, Ji'nan, Shandong, People's Republic of China
| | - Hao Fang
- School of Pharmaceutical Science, Shandong University, Ji'nan, Shandong, People's Republic of China
| | - Na Zhang
- School of Pharmaceutical Science, Shandong University, Ji'nan, Shandong, People's Republic of China
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38
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Fisicaro E, Compari C, Bacciottini F, Contardi L, Pongiluppi E, Barbero N, Viscardi G, Quagliotto P, Donofrio G, Krafft MP. Nonviral gene-delivery by highly fluorinated gemini bispyridinium surfactant-based DNA nanoparticles. J Colloid Interface Sci 2016; 487:182-191. [PMID: 27769002 DOI: 10.1016/j.jcis.2016.10.032] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Revised: 10/13/2016] [Accepted: 10/14/2016] [Indexed: 11/19/2022]
Abstract
Biological and thermodynamic properties of a new homologous series of highly fluorinated bispyridinium cationic gemini surfactants, differing in the length of the spacer bridging the pyridinium polar heads in 1,1' position, are reported for the first time. Interestingly, gene delivery ability is closely associated with the spacer length due to a structural change of the molecule in solution. This conformation change is allowed when the spacer reaches the right length, and it is suggested by the trends of the apparent and partial molar enthalpies vs molality. To assess the compounds' biological activity, they were tested with an agarose gel electrophoresis mobility shift assay (EMSA), MTT proliferation assay and Transient Transfection assays on a human rhabdomyosarcoma cell line. Data from atomic force microscopy (AFM) allow for morphological characterization of DNA nanoparticles. Dilution enthalpies, measured at 298K, enabled the determination of apparent and partial molar enthalpies vs molality. All tested compounds (except that with the longest spacer), at different levels, can deliver the plasmid when co-formulated with 1,2-dioleyl-sn-glycero-3-phosphoethanolamine (DOPE). The compound with a spacer formed by eight carbon atoms gives rise to a gene delivery ability that is comparable to that of the commercial reagent. The compound with the longest spacer compacts DNA in loosely condensed structures by forming bows, which are not suitable for transfection. Regarding the compounds' hydrogenated counterparts, the tight relationship between the solution thermodynamics data and their biological performance is amazing, making "old" methods the foundation to deeply understanding "new" applications.
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Affiliation(s)
- Emilia Fisicaro
- University of Parma, Department of Pharmacy, Parco Area delle Scienze, 27/A, 43124 Parma, Italy.
| | - Carlotta Compari
- University of Parma, Department of Pharmacy, Parco Area delle Scienze, 27/A, 43124 Parma, Italy
| | - Franco Bacciottini
- University of Parma, Department of Pharmacy, Parco Area delle Scienze, 27/A, 43124 Parma, Italy
| | - Laura Contardi
- University of Parma, Department of Pharmacy, Parco Area delle Scienze, 27/A, 43124 Parma, Italy
| | - Erika Pongiluppi
- University of Parma, Department of Pharmacy, Parco Area delle Scienze, 27/A, 43124 Parma, Italy
| | - Nadia Barbero
- University of Torino, Department of Chemistry, Interdepartmental "Nanostructured Surfaces and Interfaces" NIS Centre, Via P. Giuria, 7, 10125 Torino, Italy
| | - Guido Viscardi
- University of Torino, Department of Chemistry, Interdepartmental "Nanostructured Surfaces and Interfaces" NIS Centre, Via P. Giuria, 7, 10125 Torino, Italy
| | - Pierluigi Quagliotto
- University of Torino, Department of Chemistry, Interdepartmental "Nanostructured Surfaces and Interfaces" NIS Centre, Via P. Giuria, 7, 10125 Torino, Italy
| | - Gaetano Donofrio
- University of Parma, Department of Veterinary Sciences, Via del Taglio, 10, 43126 Parma, Italy
| | - Marie Pierre Krafft
- Institut Charles Sadron (CNRS), University of Strasbourg, 23 rue du Loess, 67034 Strasbourg Cedex, France
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Kizewski A, Ilies MA. Efficient and synergetic DNA delivery with pyridinium amphiphiles-gold nanoparticle composite systems having different packing parameters. Chem Commun (Camb) 2016; 52:60-3. [PMID: 26553432 DOI: 10.1039/c5cc05760d] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Mixtures of highly curved pyridinium-decorated Au nanoparticles and standard pyridinium cationic lipids efficiently and synergetically transfected DNA in vitro, while displaying an excellent cytotoxic profile.
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Affiliation(s)
- Adrian Kizewski
- College of Science and Technology, Temple University, 1803 N Broad Street, Philadelphia, PA-19122, USA
| | - Marc A Ilies
- Department of Pharmaceutical Sciences and Moulder Center of Drug Discovery Research, Temple University School of Pharmacy, 3307 N Broad Street, Philadelphia, PA-19140, USA. and Temple Materials Institute, 1803 N Broad Street, Philadelphia, PA-19122, USA
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40
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Fisicaro E, Contardi L, Compari C, Bacciottini F, Pongiluppi E, Viscardi G, Barbero N, Quagliotto P, Różycka-Roszak B. Solution Thermodynamics of highly fluorinated gemini bispyridinium surfactants for biomedical applications. Colloids Surf A Physicochem Eng Asp 2016. [DOI: 10.1016/j.colsurfa.2016.07.051] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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41
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Martínez-Negro M, Kumar K, Barrán-Berdón AL, Datta S, Kondaiah P, Junquera E, Bhattacharya S, Aicart E. Efficient Cellular Knockdown Mediated by siRNA Nanovectors of Gemini Cationic Lipids Having Delocalizable Headgroups and Oligo-Oxyethylene Spacers. ACS APPLIED MATERIALS & INTERFACES 2016; 8:22113-22126. [PMID: 27508330 DOI: 10.1021/acsami.6b08823] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The use of small interfering RNAs (siRNAs) to silence specific genes is one of the most promising approaches in gene therapy, but it requires efficient nanovectors for successful cellular delivery. Recently, we reported liposomal gene carriers derived from a gemini cationic lipid (GCL) of the 1,2-bis(hexadecyl dimethyl imidazolium) oligo-oxyethylene series ((C16Im)2(C2H4O)nC2H4 with n = 1, 2, or 3) and 1,2-dioleyol phosphatidylethanolamine as highly efficient cytofectins for pDNA. On the basis of the satisfactory outcomes of the previous study, the present work focuses on the utility of coliposomes of these gemini lipids with the biocompatible neutral lipid mono oleoyl glycerol (MOG) as highly potent vectors for siRNA cellular transport in the presence of serum. The (C16Im)2(C2H4O)nC2H4/MOG-siRNA lipoplexes were characterized through (i) a physicochemical study (zeta potential, cryo-transmission electron microscopy, small-angle X-ray scattering, and fluorescence anisotropy) to establish the relationship between size, structure, fluidity, and the interaction between siRNA and the GCL/MOG gene vectors and (ii) a biological analysis (flow cytometry, fluorescence microscopy, and cell viability) to report the anti-GFP siRNA transfections in HEK 293T, HeLa, and H1299 cancer cell lines. The in vitro biological analysis confirms the cellular uptake and indicates that a short spacer, a very low molar fraction of GCL in the mixed lipid, and a moderate effective charge ratio of the lipoplex yielded maximum silencing efficacy. At these experimental conditions, the siRNA used in this work is compacted by the GCL/MOG nanovectors by forming two cubic structures (Ia3d and Pm3n) that are correlated with excellent silencing activity. These liposomal nanocarriers possess high silencing activity with a negligible cytotoxicity, which strongly supports their practical use for in vivo knockdown studies.
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Affiliation(s)
- María Martínez-Negro
- Grupo de Química Coloidal y Supramolecular, Departamento de Química Física I, Facultad de Ciencias Químicas, Universidad Complutense de Madrid , 28040 Madrid, Spain
| | | | - Ana L Barrán-Berdón
- Grupo de Química Coloidal y Supramolecular, Departamento de Química Física I, Facultad de Ciencias Químicas, Universidad Complutense de Madrid , 28040 Madrid, Spain
| | | | | | - Elena Junquera
- Grupo de Química Coloidal y Supramolecular, Departamento de Química Física I, Facultad de Ciencias Químicas, Universidad Complutense de Madrid , 28040 Madrid, Spain
| | | | - Emilio Aicart
- Grupo de Química Coloidal y Supramolecular, Departamento de Química Física I, Facultad de Ciencias Químicas, Universidad Complutense de Madrid , 28040 Madrid, Spain
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42
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Hao J, Wang P, Zhang Y, Zhang Y. Synthesis, Surface Activity and Aggregation Behavior of Novel Gemini Pyridinium Amphiphiles. J SURFACTANTS DETERG 2016. [DOI: 10.1007/s11743-016-1850-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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43
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Majzoub RN, Wonder E, Ewert KK, Kotamraju VR, Teesalu T, Safinya CR. Rab11 and Lysotracker Markers Reveal Correlation between Endosomal Pathways and Transfection Efficiency of Surface-Functionalized Cationic Liposome-DNA Nanoparticles. J Phys Chem B 2016; 120:6439-53. [PMID: 27203598 PMCID: PMC4936928 DOI: 10.1021/acs.jpcb.6b04441] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Cationic liposomes (CLs) are widely studied as carriers of DNA and short-interfering RNA for gene delivery and silencing, and related clinical trials are ongoing. Optimization of transfection efficiency (TE) requires understanding of CL-nucleic acid nanoparticle (NP) interactions with cells, NP endosomal pathways, endosomal escape, and events leading to release of active nucleic acid from the lipid carrier. Here, we studied endosomal pathways and TE of surface-functionalized CL-DNA NPs in PC-3 prostate cancer cells displaying overexpressed integrin and neuropilin-1 receptors. The NPs contained RGD-PEG-lipid or RPARPAR-PEG-lipid, targeting integrin, and neuropilin-1 receptors, respectively, or control PEG-lipid. Fluorescence colocalization using Rab11-GFP and Lysotracker enabled simultaneous colocalization of NPs with recycling endosome (Rab11) and late endosome/lysosome (Rab7/Lysotracker) pathways at increasing mole fractions of pentavalent MVL5 (+5 e) at low (10 mol %), high (50 mol %), and very high (70 mol %) membrane charge density (σM). For these cationic NPs (lipid/DNA molar charge ratio, ρchg = 5), the influence of membrane charge density on pathway selection and transfection efficiency is similar for both peptide-PEG NPs, although, quantitatively, the effect is larger for RGD-PEG compared to RPARPAR-PEG NPs. At low σM, peptide-PEG NPs show preference for the recycling endosome over the late endosome/lysosome pathway. Increases in σM, from low to high, lead to decreases in colocalization with recycling endosomes and simultaneous increases in colocalization with the late endosome/lysosome pathway. Combining colocalization and functional TE data at low and high σM shows that higher TE correlates with a larger fraction of NPs colocalized with the late endosome/lysosome pathway while lower TE correlates with a larger fraction of NPs colocalized with the Rab11 recycling pathway. The findings lead to a hypothesis that increases in σM, leading to enhanced late endosome/lysosome pathway selection and higher TE, result from increased nonspecific electrostatic attractions between NPs and endosome luminal membranes, and conversely, enhanced recycling pathway for NPs and lower TE are due to weaker attractions. Surprisingly, at very high σM, the inverse relation between the two pathways observed at low and high σM breaks down, pointing to a more complex NP pathway behavior.
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Affiliation(s)
- Ramsey N. Majzoub
- Physics Department, Materials Department, and Molecular, Cellular and Developmental Biology Department, University of California, Santa Barbara, California 93106, United States of America
| | - Emily Wonder
- Physics Department, Materials Department, and Molecular, Cellular and Developmental Biology Department, University of California, Santa Barbara, California 93106, United States of America
| | - Kai K. Ewert
- Physics Department, Materials Department, and Molecular, Cellular and Developmental Biology Department, University of California, Santa Barbara, California 93106, United States of America
| | - Venkata Ramana Kotamraju
- Cancer Research Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, California 92037, United States of America
| | - Tambet Teesalu
- Cancer Research Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, California 92037, United States of America
- Center for Nanomedicine and Department of Molecular, Cellular, and Developmental Biology, University of California, Santa Barbara, California 93106, United States of America
- Laboratory of Cancer Biology, Institute of Biomedicine and Translational Medicine, University of Tartu, Tartu 50411, Estonia
| | - Cyrus R. Safinya
- Physics Department, Materials Department, and Molecular, Cellular and Developmental Biology Department, University of California, Santa Barbara, California 93106, United States of America
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Junquera E, Aicart E. Recent progress in gene therapy to deliver nucleic acids with multivalent cationic vectors. Adv Colloid Interface Sci 2016; 233:161-175. [PMID: 26265376 DOI: 10.1016/j.cis.2015.07.003] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2015] [Revised: 07/10/2015] [Accepted: 07/12/2015] [Indexed: 12/16/2022]
Abstract
Due to the potential use as transfecting agents of nucleic acids (DNA or RNA), multivalent cationic non-viral vectors have received special attention in the last decade. Much effort has been addressed to synthesize more efficient and biocompatible gene vectors able to transport nucleic acids into the cells without provoking an immune response. Among them, the mostly explored to compact and transfect nucleic acids are: (a) gemini and multivalent cationic lipids, mixed with a helper lipid, by forming lipoplexes; and (b) cationic polymers, polycations, and polyrotaxanes, by forming polyplexes. This review is focused on the progress and recent advances experimented in this area, mainly during the present decade, devoting special attention to the lipoplexes and polyplexes, as follows: (a) to its biophysical characterization (mainly electrostatics, structure, size and morphology) using a wide variety of experimental methods; and (b) to its biological activity (transfection efficacy and cytotoxicity) addressed to confirm the optimum formulations and viability of these complexes as very promising gene vectors of nucleic acids in nanomedicine.
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Affiliation(s)
- Elena Junquera
- Grupo de Química Coloidal y Supramolecular, Departamento de Química Física I, Facultad de Ciencias Químicas, Universidad Complutense, 28040 Madrid, Spain
| | - Emilio Aicart
- Grupo de Química Coloidal y Supramolecular, Departamento de Química Física I, Facultad de Ciencias Químicas, Universidad Complutense, 28040 Madrid, Spain.
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Pietralik Z, Skrzypczak A, Kozak M. Dicationic Surfactants with Glycine Counter Ions for Oligonucleotide Transportation. Chemphyschem 2016; 17:2424-33. [PMID: 27214208 DOI: 10.1002/cphc.201600175] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2016] [Indexed: 11/10/2022]
Abstract
Gemini surfactants are good candidates to bind, protect, and deliver nucleic acids. Herein, the concept of amino acids (namely glycine) as counter ions of gemini surfactants for gene therapy application was explored. This study was conducted on DNA and RNA oligomers and two quaternary bis-imidazolium salts, having 2,5-dioxahexane and 2,8-dioxanonane spacer groups. The toxicity level of surfactants was assessed by an MTT assay, and their ability to bind nucleic acids was tested through electrophoresis. The nucleic acid conformation was established based on circular dichroism and infrared spectroscopic analyses. The structures of the formed complexes were characterized by small-angle scattering of synchrotron radiation. Both studied surfactants appear to be suitable for gene therapy; however, although they vary by only three methylene groups in the spacer, they differ in binding ability and toxicity. The tested oligonucleotides maintained their native conformations upon surfactant addition and the studied lipoplexes formed a variety of structures. In systems based on a 2,5-dioxahexane spacer, a hexagonal phase was observed for DNA-surfactant complexes and a micellar phase was dominant with RNA. For the surfactant with a 2,8-dioxanonane spacer group, the primitive cubic phase prevailed.
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Affiliation(s)
- Zuzanna Pietralik
- Department of Macromolecular Physics, Faculty of Physics, Adam Mickiewicz University, Umultowska 85, 61-614, Poznan, Poland.
| | - Andrzej Skrzypczak
- Institute of Chemical Technology and Engineering, Poznan University of Technology, Berdychowo 4, 60-965, Poznan, Poland
| | - Maciej Kozak
- Department of Macromolecular Physics, Faculty of Physics, Adam Mickiewicz University, Umultowska 85, 61-614, Poznan, Poland. .,Joint Laboratory for SAXS Studies, Faculty of Physics, Adam Mickiewicz University, Umultowska 85, 61-614, Poznan, Poland.
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Bhadani A, Misono T, Singh S, Sakai K, Sakai H, Abe M. Structural diversity, physicochemical properties and application of imidazolium surfactants: Recent advances. Adv Colloid Interface Sci 2016; 231:36-58. [PMID: 27063924 DOI: 10.1016/j.cis.2016.03.005] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2015] [Revised: 01/19/2016] [Accepted: 03/21/2016] [Indexed: 10/22/2022]
Abstract
The current review covers recent advances on development and investigation of cationic surfactants containing imidazolium headgroup, which are being extensively investigated for their self-aggregation properties and are currently being utilized in various conventional and non-conventional application areas. These surfactants are being used as: soft template for synthesis of mesoporous/microporous materials, drug and gene delivery agent, stabilizing agent for nanoparticles, dispersants for single/multi walled carbon nanotubes, antimicrobial and antifungal agent, viscosity modifiers, preparing nanocomposite materials, stabilizing microemulsions, corrosion inhibitors and catalyst for organic reactions. Recently several structural derivatives of these surfactants have been developed having many interesting physicochemical properties and they have demonstrated enormous potential in the area of nanotechnology, material science and biomedical science.
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Structural features and surfactant properties of core–shell type micellar aggregates formed by gemini piperidinium surfactants. Colloids Surf A Physicochem Eng Asp 2016. [DOI: 10.1016/j.colsurfa.2015.11.073] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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48
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Liu Y, Jia L, Guo X, Zhao Z. Surface activities and thermodynamic properties of novel cationic surfactants with hydroxymethyl group. J DISPER SCI TECHNOL 2016. [DOI: 10.1080/01932691.2016.1160322] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Yanyan Liu
- College of Chemistry and Chemical Engineering, Key Laboratory of Fine Chemicals of College of Heilongjiang Province, Qiqihar University, Qiqihar, China
| | - Lihua Jia
- College of Chemistry and Chemical Engineering, Key Laboratory of Fine Chemicals of College of Heilongjiang Province, Qiqihar University, Qiqihar, China
| | - Xiangfeng Guo
- College of Chemistry and Chemical Engineering, Key Laboratory of Fine Chemicals of College of Heilongjiang Province, Qiqihar University, Qiqihar, China
| | - Zhenlong Zhao
- College of Chemistry and Chemical Engineering, Key Laboratory of Fine Chemicals of College of Heilongjiang Province, Qiqihar University, Qiqihar, China
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Pietralik Z, Kołodziejska Ż, Weiss M, Kozak M. Gemini Surfactants Based on Bis-Imidazolium Alkoxy Derivatives as Effective Agents for Delivery of Nucleic Acids: A Structural and Spectroscopic Study. PLoS One 2015; 10:e0144373. [PMID: 26641889 PMCID: PMC4671569 DOI: 10.1371/journal.pone.0144373] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2015] [Accepted: 11/17/2015] [Indexed: 11/19/2022] Open
Abstract
The success rate of gene therapy depends on the efficient transfection of genetic material into cells. The golden mean between harmlessness and high effectiveness can be provided by synthetic lipid-like molecules that are similar to the components of biological membranes. Cationic gemini surfactants are one such moiety and because of their favourable physicochemical properties (double positive electric charge, reduced toxicity, low values of critical micelle concentration), they show great potential as delivery system components for genetic material in gene therapy. The aim of this study was to investigate the process of the complexation of cationic gemini surfactants with nucleic acids: double-stranded DNA of different sizes (21 bp, ~185 bp, ~20 kbp) and siRNA (21 bp). The tested series of dicationic surfactants consists of bis-imidazolium quaternary salts with varying lengths of hydrophobic side chains (m = 5, 6, 7, 8, 9, 11, 12, 14, 16). On the basis of the data obtained by circular dichroism spectroscopy and electrophoresis, we concluded that the studied gemini surfactants with long side chains effectively bind nucleic acids at low concentrations, which leads to the formation of stable lipoplexes. Images obtained by atomic force microscopy also confirmed the formation of vesicular structures, i.e., complexes between DNA and surfactants. The cytotoxicity of selected surfactants was also tested on HeLa cells. The surfactant toxicity significantly depends on surfactant geometry (the length of hydrophobic chain).
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Affiliation(s)
- Zuzanna Pietralik
- Department of Macromolecular Physics, Faculty of Physics, Adam Mickiewicz University, Umultowska 85, 61–614 Poznań, Poland
| | - Żaneta Kołodziejska
- Department of Macromolecular Physics, Faculty of Physics, Adam Mickiewicz University, Umultowska 85, 61–614 Poznań, Poland
| | - Marek Weiss
- Institute of Physics, Poznań University of Technology, Piotrowo 3, 60–965 Poznań, Poland
| | - Maciej Kozak
- Department of Macromolecular Physics, Faculty of Physics, Adam Mickiewicz University, Umultowska 85, 61–614 Poznań, Poland
- Joint Laboratory for SAXS studies, Faculty of Physics, Adam Mickiewicz University, Umultowska 85, 61–614 Poznań, Poland
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50
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Next generation macrocyclic and acyclic cationic lipids for gene transfer: Synthesis and in vitro evaluation. Bioorg Med Chem 2015; 23:6364-78. [PMID: 26346671 DOI: 10.1016/j.bmc.2015.08.032] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2015] [Revised: 07/30/2015] [Accepted: 08/25/2015] [Indexed: 12/12/2022]
Abstract
Previously we reported the synthesis and in vitro evaluation of four novel, short-chain cationic lipid gene delivery vectors, characterized by acyclic or macrocyclic hydrophobic regions composed of, or derived from, two 7-carbon chains. Herein we describe a revised synthesis of an expanded library of related cationic lipids to include extended chain analogues, their formulation with plasmid DNA (pDNA) and in vitro delivery into Chinese hamster ovarian (CHO-K1) cells. The formulations were evaluated against each other based on structural differences in the hydrophobic domain and headgroup. Structurally the library is divided into four sets based on lipids derived from two 7- or two 11-carbon hydrophobic chains, C7 and C11 respectively, which possess either a dimethylamine or a trimethylamine derived headgroup. Each set includes four cationic lipids based on an acyclic or macrocyclic, saturated or unsaturated hydrophobic domain. All lipids were co-formulated with the commercial cationic lipid 1,2-dimyristoyl-sn-glycero-3-ethylphosphocholine (EPC) in a 1:1 molar ratio, along with one of two distinct neutral co-lipids, cholesterol or 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine (DOPE) in an overall cationic-to-neutral lipid molar ratio of 3:2. Binding of lipid formulations with DNA, and packing morphology associated with the individual lipid-DNA complexes were characterized by gel electrophoresis and small angle X-ray diffraction (SAXD), respectively. As a general trend, lipoplex formulations based on mismatched binary cationic lipids, composed of a shorter C7 lipid and the longer lipid EPC (C14), were generally associated with higher transfection efficiency and lower cytotoxicity than their more closely matched C11/EPC binary lipid formulation counterparts. Furthermore, the cyclic lipids gave transfection levels as high as or greater than their acyclic counterparts, and formulations with cholesterol exhibited higher transfection and lower cytotoxicity than those formulated with DOPE. A number of the lipid formulations with cholesterol as co-lipid performed as well as, or better than Lipofectamine 2000™ and EPC, the two positive controls employed in these studies. These results suggest that our novel cyclic and acyclic cationic lipid vectors are effective nonviral gene transfer agents that warrant further investigation.
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