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Moffa S, Carradori S, Melfi F, Fontana A, Ciulla M, Di Profio P, Aschi M, Wolicki RD, Pilato S, Siani G. Fine-tuning of membrane permeability by reversible photoisomerization of aryl-azo derivatives of thymol embedded in lipid nanoparticles. Colloids Surf B Biointerfaces 2024; 241:114043. [PMID: 38901266 DOI: 10.1016/j.colsurfb.2024.114043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 06/07/2024] [Accepted: 06/15/2024] [Indexed: 06/22/2024]
Abstract
Responsiveness of liposomes to external stimuli, such as light, should allow a precise spatial and temporal control of release of therapeutic agents or ion transmembrane transport. Here, some aryl-azo derivatives of thymol are synthesized and embedded into liposomes from 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine to obtain light-sensitive membranes whose photo-responsiveness, release behaviour, and permeability towards Cl- ions are investigated. The hybrid systems are in-depth characterized by dynamic light scattering, atomic force microscopy and Raman spectroscopy. In liposomal bilayer the selected guests undergo reversible photoinduced isomerization upon irradiation with UV and visible light, alternately. Non-irradiated hybrid liposomes retain entrapped 5(6)-carboxyfluorescein (CF), slowing its spontaneous leakage, whereas UV-irradiation promotes CF release, due to guest trans-to-cis isomerization. Photoisomerization also influences membrane permeability towards Cl- ions. Data processing, according to first-order kinetics, demonstrates that Cl- transmembrane transport is enhanced by switching the guest from trans to cis but restored by back-switching the guest from cis to trans upon illumination with blue light. Finally, the passage of Cl- ions across the bilayer can be fine-tuned by irradiation with light of longer λ and different light-exposure times. Fine-tuning the photo-induced structural response of the liposomal membrane upon isomerization is a promising step towards effective photo-dynamic therapy.
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Affiliation(s)
- Samanta Moffa
- Dipartimento di Farmacia, Università degli Studi Gabriele d'Annunzio Chieti-Pescara, Via dei Vestini 31, Chieti 66100, Italy
| | - Simone Carradori
- Dipartimento di Farmacia, Università degli Studi Gabriele d'Annunzio Chieti-Pescara, Via dei Vestini 31, Chieti 66100, Italy
| | - Francesco Melfi
- Dipartimento di Farmacia, Università degli Studi Gabriele d'Annunzio Chieti-Pescara, Via dei Vestini 31, Chieti 66100, Italy
| | - Antonella Fontana
- Dipartimento di Farmacia, Università degli Studi Gabriele d'Annunzio Chieti-Pescara, Via dei Vestini 31, Chieti 66100, Italy; UdA-TechLab, Research Center, Università degli Studi Gabriele d'Annunzio Chieti-Pescara, Via dei Vestini 31, Chieti 66100, Italy
| | - Michele Ciulla
- Dipartimento di Farmacia, Università degli Studi Gabriele d'Annunzio Chieti-Pescara, Via dei Vestini 31, Chieti 66100, Italy; UdA-TechLab, Research Center, Università degli Studi Gabriele d'Annunzio Chieti-Pescara, Via dei Vestini 31, Chieti 66100, Italy
| | - Pietro Di Profio
- Dipartimento di Farmacia, Università degli Studi Gabriele d'Annunzio Chieti-Pescara, Via dei Vestini 31, Chieti 66100, Italy
| | - Massimiliano Aschi
- Dipartimento di Scienze Fisiche e Chimiche, Università degli Studi dell'Aquila, via Vetoio, Coppito, L'Aquila 67100, Italy
| | - Rafal Damian Wolicki
- Dipartimento di Farmacia, Università degli Studi Gabriele d'Annunzio Chieti-Pescara, Via dei Vestini 31, Chieti 66100, Italy
| | - Serena Pilato
- Dipartimento di Farmacia, Università degli Studi Gabriele d'Annunzio Chieti-Pescara, Via dei Vestini 31, Chieti 66100, Italy; UdA-TechLab, Research Center, Università degli Studi Gabriele d'Annunzio Chieti-Pescara, Via dei Vestini 31, Chieti 66100, Italy.
| | - Gabriella Siani
- Dipartimento di Farmacia, Università degli Studi Gabriele d'Annunzio Chieti-Pescara, Via dei Vestini 31, Chieti 66100, Italy; UdA-TechLab, Research Center, Università degli Studi Gabriele d'Annunzio Chieti-Pescara, Via dei Vestini 31, Chieti 66100, Italy.
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Katari O, Kumar K, Bhamble S, Jain S. Gemini surfactants as next-generation drug carriers in cancer management. Expert Opin Drug Deliv 2024; 21:1029-1051. [PMID: 39039919 DOI: 10.1080/17425247.2024.2384037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Accepted: 07/21/2024] [Indexed: 07/24/2024]
Abstract
INTRODUCTION Gemini surfactants (GS) are an elite class of amphiphilic molecules that have shown up as a potential candidate in the field of drug delivery because of their exceptional physicochemical properties. They comprise two hydrophilic headgroups connected by an adaptable spacer and hydrophobic tails that has shown promising results in delivering different therapeutic agents to cancer cells at preclinical level. However further studies are in demand to unlock the full potential of GS in this field. AREAS COVERED This review summarizes the new advancements in GS as drug carriers in cancer therapy, their capacity to overcome conventional shortcomings and the demand for innovative approaches in disease treatment. A detailed list of GS-based formulations along with a brief description on oligomeric surfactants have also been provided in this review. This article summarizes data from studies identified through literature database searches including PubMed and Google Scholar (2010-2023). EXPERT OPINION There are major challenges that need to be addressed in this field which restrict their progression toward clinical phase. Further research can focus on developing a theranostic system that can provide simultaneous real-time monitoring along with treatment care. Nevertheless, ensuring the safety parameters of these nanocarriers followed by their regulatory approval is a time-consuming and expensive process. A collaborative approach between regulatory bodies, research institutions, and pharmaceutical companies can speed up the process in the upcoming years.
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Affiliation(s)
- Oly Katari
- Department of Pharmaceutics, Centre for Pharmaceutical Nanotechnology, National Institute of Pharmaceutical Education and Research (NIPER), S.A.S. Nagar, Punjab, India
| | - Keshav Kumar
- Department of Pharmaceutics, Centre for Pharmaceutical Nanotechnology, National Institute of Pharmaceutical Education and Research (NIPER), S.A.S. Nagar, Punjab, India
| | - Shrushti Bhamble
- Department of Pharmaceutics, Centre for Pharmaceutical Nanotechnology, National Institute of Pharmaceutical Education and Research (NIPER), S.A.S. Nagar, Punjab, India
| | - Sanyog Jain
- Department of Pharmaceutics, Centre for Pharmaceutical Nanotechnology, National Institute of Pharmaceutical Education and Research (NIPER), S.A.S. Nagar, Punjab, India
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Vasileva L, Gaynanova G, Valeeva F, Romanova E, Pavlov R, Kuznetsov D, Belyaev G, Zueva I, Lyubina A, Voloshina A, Petrov K, Zakharova L. Synthesis, Properties, and Biomedical Application of Dicationic Gemini Surfactants with Dodecane Spacer and Carbamate Fragments. Int J Mol Sci 2023; 24:12312. [PMID: 37569687 PMCID: PMC10419252 DOI: 10.3390/ijms241512312] [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: 07/18/2023] [Revised: 07/29/2023] [Accepted: 07/29/2023] [Indexed: 08/13/2023] Open
Abstract
A synthesis procedure and aggregation properties of a new homologous series of dicationic gemini surfactants with a dodecane spacer and two carbamate fragments (N,N'-dialkyl-N,N'-bis(2-(ethylcarbamoyloxy)ethyl)-N,N'-dimethyldodecan-1,6-diammonium dibromide, n-12-n(Et), where n = 10, 12, 14) were comprehensively described. The critical micelle concentrations of gemini surfactants were obtained using tensiometry, conductometry, spectrophotometry, and fluorimetry. The thermodynamic parameters of adsorption and micellization, i.e., maximum surface excess (Гmax), the surface area per surfactant molecule (Amin), degree of counterion binding (β), and Gibbs free energy of micellization (∆Gmic), were calculated. Functional activity of the surfactants, including the solubilizing capacity toward Orange OT and indomethacin, incorporation into the lipid bilayer, minimum inhibitory concentration, and minimum bactericidal and fungicidal concentrations, was determined. Synthesized gemini surfactants were further used for the modification of liposomes dual-loaded with α-tocopherol and donepezil hydrochloride for intranasal treatment of Alzheimer's disease. The obtained liposomes have high stability (more than 5 months), a significant positive charge (approximately + 40 mV), and a high degree of encapsulation efficiency toward rhodamine B, α-tocopherol, and donepezil hydrochloride. Korsmeyer-Peppas, Higuchi, and first-order kinetic models were used to process the in vitro release curves of donepezil hydrochloride. Intranasal administration of liposomes loaded with α-tocopherol and donepezil hydrochloride for 21 days prevented memory impairment and decreased the number of Aβ plaques by 37.6%, 40.5%, and 72.6% in the entorhinal cortex, DG, and CA1 areas of the hippocampus of the brain of transgenic mice with Alzheimer's disease model (APP/PS1) compared with untreated animals.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | - Lucia Zakharova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, 8 Arbuzov Str., 420088 Kazan, Russia
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Thermochemical investigation of aqueous solution of Gemini surfactant (12-2-12) and its interactions with pharmacologically important amino acids. MONATSHEFTE FUR CHEMIE 2023. [DOI: 10.1007/s00706-022-03007-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Simonis B, Vignone D, Gonzalez Paz O, Donati E, Falchetti ML, Bombelli C, Cellucci A, Auciello G, Fini I, Galantini L, Syeda RZ, Mazzonna M, Mongiardi MP, Buonocore F, Ceccacci F, Di Marco A, Mancini G. Transport of cationic liposomes in a human blood brain barrier model: Role of the stereochemistry of the gemini amphiphile on liposome biological features. J Colloid Interface Sci 2022; 627:283-298. [PMID: 35853406 DOI: 10.1016/j.jcis.2022.07.025] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 06/06/2022] [Accepted: 07/04/2022] [Indexed: 12/12/2022]
Abstract
HYPOTHESIS The positive charge on liposome surface is known to promote the crossing of the Blood brain barrier (BBB). However, when diastereomeric cationic gemini amphiphiles are among lipid membrane components, also the stereochemistry may affect the permeability of the vesicle across the BBB. EXPERIMENTS Liposomes featuring cationic diasteromeric gemini amphiphiles were formulated, characterized, and their interaction with cell culture models of BBB investigated. FINDINGS Liposomes featuring the gemini amphiphiles were internalized in a monolayer of brain microvascular endothelial cells derived from human induced pluripotent stem cells (hiPSC) through an energy dependent transport, internalization involving both clathrin- and caveolae-mediated endocytosis. On the same formulations, the permeability was also evaluated across a human derived in vitro BBB transport model. The permeability of liposomes featuring the gemini amphiphiles was significantly higher compared to that of neutral liposomes (DPPC/Cholesterol), that were not able to cross BBB. Most importantly, the permeability was influenced by the stereochemistry of the gemini and pegylation of these formulations did not result in a drastic reduction of the crossing ability. The in vitro iPSC-derived BBB models used in this work represent an important advancement in the drug discovery research of novel brain delivery strategies and therapeutics for central nervous system diseases.
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Affiliation(s)
- Beatrice Simonis
- Sapienza Università di Roma, Dipartimento di Chimica, P.le A. Moro 5, Rome, Italy; CNR-ISB, Istituto per i Sistemi Biologici, Sede Secondaria di Roma-Meccanismi di Reazione c/o Dipartimento di Chimica, Sapienza Università di Roma, P.le A. Moro 5, Rome, Italy
| | | | | | - Enrica Donati
- CNR-ISB, Istituto per i Sistemi Biologici, Area della Ricerca di Roma 1, Strada Provinciale 35d 9, 00020 Montelibretti, Rome, Italy
| | - Maria Laura Falchetti
- CNR-IBBC, Istituto di Biochimica e Biologia Cellulare, Via E. Ramarini, 32, 00015 MonterotondoScalo, Rome, Italy
| | - Cecilia Bombelli
- CNR-ISB, Istituto per i Sistemi Biologici, Sede Secondaria di Roma-Meccanismi di Reazione c/o Dipartimento di Chimica, Sapienza Università di Roma, P.le A. Moro 5, Rome, Italy
| | | | - Giulio Auciello
- IRBM SpA, via Pontina Km 30.600, 00071 Pomezia (Rome), Italy
| | - Ivan Fini
- IRBM SpA, via Pontina Km 30.600, 00071 Pomezia (Rome), Italy
| | - Luciano Galantini
- Sapienza Università di Roma, Dipartimento di Chimica, P.le A. Moro 5, Rome, Italy
| | - Rudaba Zaman Syeda
- Sapienza Università di Roma, Dipartimento di Chimica, P.le A. Moro 5, Rome, Italy
| | - Marco Mazzonna
- CNR-ISB, Istituto per i Sistemi Biologici, Area della Ricerca di Roma 1, Strada Provinciale 35d 9, 00020 Montelibretti, Rome, Italy
| | - Maria Patrizia Mongiardi
- CNR-IBBC, Istituto di Biochimica e Biologia Cellulare, Via E. Ramarini, 32, 00015 MonterotondoScalo, Rome, Italy
| | - Francesco Buonocore
- Dipartimento per la Innovazione nei sistemi biologici, agroalimentari e forestali, Università della Tuscia (DIBAF), Largo dell'Università snc, 01100 Viterbo, Italy
| | - Francesca Ceccacci
- CNR-ISB, Istituto per i Sistemi Biologici, Sede Secondaria di Roma-Meccanismi di Reazione c/o Dipartimento di Chimica, Sapienza Università di Roma, P.le A. Moro 5, Rome, Italy.
| | | | - Giovanna Mancini
- CNR-ISB, Istituto per i Sistemi Biologici, Area della Ricerca di Roma 1, Strada Provinciale 35d 9, 00020 Montelibretti, Rome, Italy
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Naqvi AZ, Kabir-ud-Din, Panda M. Mixed micellization: Improved physicochemical behavior of different amphiphiles in presence of gemini surfactants. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116876] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Sciolla F, Truzzolillo D, Chauveau E, Trabalzini S, Di Marzio L, Carafa M, Marianecci C, Sarra A, Bordi F, Sennato S. Influence of drug/lipid interaction on the entrapment efficiency of isoniazid in liposomes for antitubercular therapy: a multi-faced investigation. Colloids Surf B Biointerfaces 2021; 208:112054. [PMID: 34454365 DOI: 10.1016/j.colsurfb.2021.112054] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 07/16/2021] [Accepted: 08/16/2021] [Indexed: 10/20/2022]
Abstract
Isoniazid (INH) is one of the primary drugs used in tuberculosis treatment and its encapsulation in liposomal vesicles can both improve its therapeutic index and minimize toxicity. Here we consider mixtures of hydrogenated soy phosphatidylcholine-phosphatidylglycerol (HSPC-DPPG) to get novel biocompatible liposomes for INH delivery. We determined INH encapsulation efficiency by coupling for the first time UV and Laser Transmission Spectroscopy and we showed that HSPC-DPPG liposomes can load more INH than expected from simple geometrical arguments, thus suggesting the presence of drug-lipid association. To focus on this aspect, which has never been explored in liposomal formulations, we employed several complementary techniques, such as dynamic and static light scattering, calorimetry and surface pressure measurements on lipid monolayers. We find that INH-lipid interaction increases the entrapment capability of liposomes due to INH adsorption. Moreover, the preferential INH-HSPC dipole-dipole interaction promotes the modification of lipid ordering, favoring the formation of HSPC-richer domains in excess of DPPG. Our findings highlight how investigating the fundamental aspects of drug-lipid interactions is of paramount importance for the optimal design of liposomal nanocarriers.
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Affiliation(s)
| | - Domenico Truzzolillo
- Laboratoire Charles Coulomb (L2C) - UMR 5221, Universitè de Montpellier et CNRS, Place E. Bataillon, Campus Triolet, Batiment 11, cc 0026, 34095 Montpellier Cedex 05, France.
| | - Edouard Chauveau
- Laboratoire Charles Coulomb (L2C) - UMR 5221, Universitè de Montpellier et CNRS, Place E. Bataillon, Campus Triolet, Batiment 11, cc 0026, 34095 Montpellier Cedex 05, France
| | - Silvia Trabalzini
- Dipartimento di Chimica e Tecnologie farmaceutiche, Università di Roma, Piazzale A. Moro 5, I-00185 Rome, Italy
| | - Luisa Di Marzio
- Dipartimento di Farmacia, Università G.d'Annunzio, Via dei Vestini, 66100 Chieti, Italy
| | - Maria Carafa
- Dipartimento di Chimica e Tecnologie farmaceutiche, Università di Roma, Piazzale A. Moro 5, I-00185 Rome, Italy
| | - Carlotta Marianecci
- Dipartimento di Chimica e Tecnologie farmaceutiche, Università di Roma, Piazzale A. Moro 5, I-00185 Rome, Italy
| | - Angelo Sarra
- CNR-ISC Sede Sapienza, Piazzale A. Moro 2, I-00185 Rome, Italy
| | - Federico Bordi
- CNR-ISC Sede Sapienza, Piazzale A. Moro 2, I-00185 Rome, Italy; Dipartimento di Fisica, La Sapienza Università di Roma, Piazzale A. Moro 2, I-00185 Rome, Italy
| | - Simona Sennato
- CNR-ISC Sede Sapienza, Piazzale A. Moro 2, I-00185 Rome, Italy; Dipartimento di Fisica, La Sapienza Università di Roma, Piazzale A. Moro 2, I-00185 Rome, Italy.
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Investigation on drug entrapment location in liposomes and transfersomes based on molecular dynamics simulation. J Mol Model 2021; 27:111. [PMID: 33745026 DOI: 10.1007/s00894-021-04722-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Accepted: 03/01/2021] [Indexed: 01/11/2023]
Abstract
In this study, liposome and transfersome were successfully constructed using molecular dynamics simulation. Three drugs with different polarity, including 5-fluorouracil, ligustrazine, and osthole, were selected as model drugs to study the distribution of drugs in lipid vesicles by calculating the radial distribution function and the potential of mean force. The solubility parameters between drugs and different regions in lipid vesicles were calculated to characterize the compatibility of drugs in different regions in lipid vesicles, which provided the basis for the conclusion of this paper. It showed that the radial distribution function and the potential of mean force were consistent in the characterization of drug distribution in vesicles, and the drug distribution in vesicles was closely related to the compatibility between drugs and vesicles. Therefore, the radial distribution function and the potential of mean force can be used to characterize the distribution of drugs in vesicles, and molecular simulation technology has a great potential in studying the characteristics of vesicles. Graphical abstract.
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Chen Z, Chen Y, Zhu L, Fan Y, Wang Y. Partition and Solubilization of Phospholipid Vesicles by Noncovalently Constructed Oligomeric-like Surfactants. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:8733-8744. [PMID: 32631060 DOI: 10.1021/acs.langmuir.0c00928] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
This work has investigated the interaction of 1,2-dioleoyl-sn-glycero-3-phosphocholine (DOPC) vesicles with oligomeric surfactants noncovalently formed by sodium dodecyl sulfate (SDS) and a series of polyamines, 1,3-diaminopropane (PDA), triamine, spermidine, and spermine. The partition coefficients (P) of these surfactants between lipid bilayers and the aqueous phase are measured by isothermal titration microcalorimetry (ITC), showing that the P value increases and the Gibbs free energy of the partition becomes more negative with increasing oligomerization degree of the surfactants. This changing trend is similar to that of synthetic oligomeric surfactants regardless of the charge properties, suggesting that the polyamine and SDS molecules interact with the DOPC bilayer simultaneously. Meanwhile, the DOPC solubilization by these surfactants is evaluated by the effective surfactant-to-lipid molar ratios for the onset (Resat) and end (Resol) of the solubilization process, which are determined from the phase boundaries obtained by ITC, turbidity, and dynamic light scattering measurements. With the increment of oligomerization degree, the Resat and Resol values increase anomalously and are much larger than those of the synthetic surfactants with the same oligomerization degree, suggesting that noncovalently constructed oligomeric surfactants exhibit lower solubilization ability to phospholipid vesicles than the corresponding covalent oligomeric surfactants. Therefore, the noncovalently constructed oligomeric-like surfactants facilitate strong partition but weak solubilization to phospholipid vesicles, which may provide a useful strategy to mildly adjust the permeation and fluidity of phospholipid vesicles with solubilization delay.
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Affiliation(s)
- Zhidi Chen
- CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Yao Chen
- CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Linyi Zhu
- CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Yaxun Fan
- CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Yilin Wang
- CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
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Yakavets I, Millard M, Zorin V, Lassalle HP, Bezdetnaya L. Current state of the nanoscale delivery systems for temoporfin-based photodynamic therapy: Advanced delivery strategies. J Control Release 2019; 304:268-287. [PMID: 31136810 DOI: 10.1016/j.jconrel.2019.05.035] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 05/21/2019] [Accepted: 05/23/2019] [Indexed: 12/22/2022]
Abstract
Enthusiasm for photodynamic therapy (PDT) as a promising technique to eradicate various cancers has increased exponentially in recent decades. The majority of clinically approved photosensitizers are hydrophobic in nature, thus, the effective delivery of photosensitizers at the targeted site is the main hurdle associated with PDT. Temoporfin (mTHPC, medicinal product name: Foscan®), is one of the most potent clinically approved photosensitizers, is not an exception. Successful temoporfin-PDT requires nanoscale delivery systems for selective delivery of photosensitizer. Over the last 25 years, the number of papers on nanoplatforms developed for mTHPC delivery such as conjugates, host-guest inclusion complexes, lipid-and polymer-based nanoparticles and carbon nanotubes is burgeoning. However, none of them appeared to be "ultimate". The present review offers the description of different challenges and achievements in nanoparticle-based mTHPC delivery focusing on the synergetic combination of various nano-platforms to improve temoporfin delivery at all stages of biodistribution. Furthermore, the association of different nanoparticles in one nanoplatform might be considered as an advanced strategy allowing the combination of several treatment modalities.
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Affiliation(s)
- Ilya Yakavets
- Centre de Recherche en Automatique de Nancy, Centre National de la Recherche Scientifique UMR 7039, Université de Lorraine, Campus Sciences, Boulevard des Aiguillette, 54506 Vandoeuvre-lès-Nancy, France; Research Department, Institut de Cancérologie de Lorraine, 6 avenue de Bourgogne, 54519 Vandoeuvre-lès-Nancy, France; Laboratory of Biophysics and Biotechnology, Belarusian State University, 4 Nezavisimosti Avenue, 220030 Minsk, Belarus.
| | - Marie Millard
- Centre de Recherche en Automatique de Nancy, Centre National de la Recherche Scientifique UMR 7039, Université de Lorraine, Campus Sciences, Boulevard des Aiguillette, 54506 Vandoeuvre-lès-Nancy, France; Research Department, Institut de Cancérologie de Lorraine, 6 avenue de Bourgogne, 54519 Vandoeuvre-lès-Nancy, France.
| | - Vladimir Zorin
- Laboratory of Biophysics and Biotechnology, Belarusian State University, 4 Nezavisimosti Avenue, 220030 Minsk, Belarus; International Sakharov Environmental Institute, Belarusian State University, Dauhabrodskaja 23, 220030 Minsk, Belarus.
| | - Henri-Pierre Lassalle
- Centre de Recherche en Automatique de Nancy, Centre National de la Recherche Scientifique UMR 7039, Université de Lorraine, Campus Sciences, Boulevard des Aiguillette, 54506 Vandoeuvre-lès-Nancy, France; Research Department, Institut de Cancérologie de Lorraine, 6 avenue de Bourgogne, 54519 Vandoeuvre-lès-Nancy, France.
| | - Lina Bezdetnaya
- Centre de Recherche en Automatique de Nancy, Centre National de la Recherche Scientifique UMR 7039, Université de Lorraine, Campus Sciences, Boulevard des Aiguillette, 54506 Vandoeuvre-lès-Nancy, France; Research Department, Institut de Cancérologie de Lorraine, 6 avenue de Bourgogne, 54519 Vandoeuvre-lès-Nancy, France.
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Pan Z, Fang D, Song Y, Song N, Ding M, Li J, Luo F, Li J, Tan H, Fu Q. Understanding the effect of alkyl chains of gemini cations on the physicochemical and cellular properties of polyurethane micelles. Biomater Sci 2018; 6:1899-1907. [PMID: 29873651 DOI: 10.1039/c8bm00431e] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Cationic gemini quaternary ammonium (GQA) has been used as a cell internalization promoter to improve the permeability of the cell membrane and enhance the cellular uptake. However, the effect of the alkyl chain length on the cellular properties of nanocarriers has not been elucidated yet. In this study, we developed a series of polyurethane micelles containing GQAs with various alkyl chain lengths. The alteration of the gemini alkyl chain length was found to change the distribution of GQA surfactants in the micellar structure and affect the surface charge exposure, stability, and the protein absorption properties of nanocarriers. Moreover, we also clarified the role of the alkyl chain length in tumor cell internalization and macrophage uptake of polyurethane micelles. This work provides a new understanding on the effect of the GQA alkyl chain length on the physicochemical and biological properties of nanomedicines, and offers guidance on the rational design of effective drug delivery systems where the issue of functional group exposure at the micellar surface should be considered.
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Affiliation(s)
- Zhicheng Pan
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China.
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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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13
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14
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Horne TK, Cronjé MJ. Mechanistics and photo-energetics of macrocycles and photodynamic therapy: An overview of aspects to consider for research. Chem Biol Drug Des 2017; 89:221-242. [DOI: 10.1111/cbdd.12761] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2016] [Revised: 03/24/2016] [Accepted: 04/05/2016] [Indexed: 12/17/2022]
Affiliation(s)
- Tamarisk K. Horne
- Department of Biochemistry; Faculty of Science; University of Johannesburg; Auckland Park South Africa
| | - Marianne J. Cronjé
- Department of Biochemistry; Faculty of Science; University of Johannesburg; Auckland Park South Africa
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15
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Vahabi S, Eatemadi A. Nanoliposome encapsulated anesthetics for local anesthesia application. Biomed Pharmacother 2017; 86:1-7. [DOI: 10.1016/j.biopha.2016.11.137] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Revised: 11/28/2016] [Accepted: 11/28/2016] [Indexed: 12/14/2022] Open
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16
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Effect of salt counterions on the physicochemical characteristics of novel green surfactant, ethane-1,2-diyl bis(N,N-dimethyl-N-tetradecylammoniumacetoxy) dichloride. Colloids Surf A Physicochem Eng Asp 2016. [DOI: 10.1016/j.colsurfa.2016.01.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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17
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Zhu L, Tang Y, Wang Y. Constructing Surfactant Systems with the Characteristics of Gemini and Oligomeric Surfactants Through Noncovalent Interaction. J SURFACTANTS DETERG 2016. [DOI: 10.1007/s11743-016-1790-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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18
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Akram M, Bhat IA, Anwar S, Kabir-ud-Din. Molecular interaction of an ester-functionalized biodegradable gemini surfactant with lysozyme: Insights from spectroscopy, calorimetry and molecular docking. J Mol Liq 2015. [DOI: 10.1016/j.molliq.2015.10.014] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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19
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More U, Kumari P, Vaid Z, Behera K, Malek NI. Interaction Between Ionic Liquids and Gemini Surfactant: A Detailed Investigation into the Role of Ionic Liquids in Modifying Properties of Aqueous Gemini Surfactant. J SURFACTANTS DETERG 2015. [DOI: 10.1007/s11743-015-1747-x] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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20
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Yue L, He Z, Zhu Y, Shang Y, Liu H. Physicochemical Characterization of Novel Aqueous Two-Phase System: Gemini Surfactant 12-2-12/NaBr/H2O. Appl Biochem Biotechnol 2015; 175:3557-70. [DOI: 10.1007/s12010-015-1526-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2014] [Accepted: 01/21/2015] [Indexed: 10/24/2022]
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21
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Abstract
Since their discovery in the 1960s, liposomes have been studied in depth, and they continue to constitute a field of intense research. Liposomes are valued for their biological and technological advantages, and are considered to be the most successful drug-carrier system known to date. Notable progress has been made, and several biomedical applications of liposomes are either in clinical trials, are about to be put on the market, or have already been approved for public use. In this review, we briefly analyze how the efficacy of liposomes depends on the nature of their components and their size, surface charge, and lipidic organization. Moreover, we discuss the influence of the physicochemical properties of liposomes on their interaction with cells, half-life, ability to enter tissues, and final fate in vivo. Finally, we describe some strategies developed to overcome limitations of the “first-generation” liposomes, and liposome-based drugs on the market and in clinical trials.
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Affiliation(s)
- Giuseppina Bozzuto
- Chemical Methodology Institute, CNR, Rome, Italy ; Department of Technology and Health, Istituto Superiore di Sanità, Rome, Italy
| | - Agnese Molinari
- Department of Technology and Health, Istituto Superiore di Sanità, Rome, Italy
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22
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Akram M, Bhat IA, Kabir-ud-Din KUD. New insights into binding interaction of novel ester-functionalized m-E2-m gemini surfactants with lysozyme: a detailed multidimensional study. RSC Adv 2015. [DOI: 10.1039/c5ra20576j] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Different binding patterns of m-E2-m (12-E2-12 and 14-E2-14) surfactants to HEWL.
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Affiliation(s)
- Mohd Akram
- Department of Chemistry
- Aligarh Muslim University
- Aligarh-202002
- India
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23
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Giuliani C, Altieri B, Bombelli C, Galantini L, Mancini G, Stringaro A. Remote loading of aloe emodin in gemini-based cationic liposomes. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 31:76-82. [PMID: 25496076 DOI: 10.1021/la5038074] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Anthraquinone compound aloe-emodin (AE) has shown antineoplastic, antibacterial, antiviral, and anti-inflammatory properties and scavenging activity on free radicals. Because of these therapeutic features, AE has been attracting increasing interest and could be applied in the curing of many diseases. However, until now the physicochemical features of this compound have not been fully investigated; furthermore, its wide application might be hindered by its scarce solubility in aqueous media (∼19 μM). The inclusion of AE in nanocarriers, such as cationic liposomes, could allow its delivery effectively and selectively to target sites, reducing side effects in the remaining tissues. In this work, the weak acid nature of AE, because of its two phenolic functions, was exploited to load it remotely in the internal aqueous phase of liposomes in response to a difference in pH between the inside and outside of the liposomes, pHin > pHout. The inclusion of AE in gemini-based cationic liposomes by the acetate gradient method was obtained at high AE/lipid ratios (up to 1:30).
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Affiliation(s)
- Chiara Giuliani
- Dipartimento di Chimica and ‡CNR-IMC sez. Meccanismi di Reazione c/o Dipartimento di Chimica, Università di Roma "La Sapienza" , P. le A. Moro 5, 00185 Roma, Italy
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24
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Yousuf S, Akram M, Kabir-ud-Din. Effect of salt additives on the aggregation behavior and morphology of 14-E2-14. Colloids Surf A Physicochem Eng Asp 2014. [DOI: 10.1016/j.colsurfa.2014.09.026] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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25
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Kumar D, Rub MA, Akram M. Effect of gemini (alkanediyl-α,ω-bis(dimethylcetylammonium bromide)) (16-s-16, s=4, 5, 6) surfactants on the interaction of ninhydrin with chromium-glycylphenylalanine. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2014; 132:288-294. [PMID: 24878435 DOI: 10.1016/j.saa.2014.05.002] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2014] [Revised: 04/20/2014] [Accepted: 05/05/2014] [Indexed: 06/03/2023]
Abstract
The effect of gemini (alkanediyl-α,ω-bis(dimethylcetylammonium bromide)) (16-s-16, s=4, 5, 6) surfactants on the interaction of ninhydrin with chromium(III) complex of glycylphenylalanine ([Cr(III)-Gly-Phe]2+) has been investigated using UV-visible spectrophotometer at different temperatures. The order of reaction with respect to [Cr(III)-Gly-Phe]2+ is unity while it is fractional with respect to ninhydrin. Whereas, the values of rate constant (kψ) increase and leveling-off regions, like conventional single chain cetyltrimethylammonium bromide (CTAB) surfactant, were observed with geminis, later produces a third region of increasing kψ at higher gemini surfactant concentrations. This unusual third-region effect of the gemini micelles is assigned to changes in their micellar morphologies. The results obtained in micellar media were treated in terms of pseudo-phase model. The values of thermodynamic parameters (Ea, ΔH# and ΔS#) and binding constants (KA and KNin) have been evaluated.
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Affiliation(s)
- Dileep Kumar
- Department of Chemistry, Aligarh Muslim University, Aligarh 202 002, U.P., India.
| | - Malik Abdul Rub
- Chemistry Department, King Abdulaziz University, Jeddah 21589, Saudi Arabia; Center of Excellence for Advanced Materials Research, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Mohd Akram
- Department of Chemistry, Aligarh Muslim University, Aligarh 202 002, U.P., India
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26
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Interfacial and Solution Behavior of Amphiphilic Drug and Counterion-Coupled Gemini (COCOGEM) Surfactants. J SURFACTANTS DETERG 2014. [DOI: 10.1007/s11743-014-1643-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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27
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Tang Y, Wang R, Wang Y. Constructing Gemini-Like Surfactants with Single-Chain Surfactant and Dicarboxylic Acid Sodium Salts. J SURFACTANTS DETERG 2014. [DOI: 10.1007/s11743-014-1632-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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28
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Stefanutti E, Papacci F, Sennato S, Bombelli C, Viola I, Bonincontro A, Bordi F, Mancini G, Gigli G, Risuleo G. Cationic liposomes formulated with DMPC and a gemini surfactant traverse the cell membrane without causing a significant bio-damage. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2014; 1838:2646-55. [PMID: 25017801 DOI: 10.1016/j.bbamem.2014.05.026] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2014] [Revised: 05/14/2014] [Accepted: 05/24/2014] [Indexed: 11/29/2022]
Abstract
Cationic liposomes have been intensively studied both in basic and applied research because of their promising potential as non-viral molecular vehicles. This work was aimed to gain more information on the interactions between the plasmamembrane and liposomes formed by a natural phospholipid and a cationic surfactant of the gemini family. The present work was conducted with the synergistic use of diverse experimental approaches: electro-rotation measurements, atomic force microscopy, ζ-potential measurements, laser scanning confocal microscopy and biomolecular/cellular techniques. Electro-rotation measurements pointed out that the interaction of cationic liposomes with the cell membrane alters significantly its dielectric and geometric parameters. This alteration, being accompanied by significant changes of the membrane surface roughness as measured by atomic force microscopy, suggests that the interaction with the liposomes causes locally substantial modifications to the structure and morphology of the cell membrane. However, the results of electrophoretic mobility (ζ-potential) experiments show that upon the interaction the electric charge exposed on the cell surface does not vary significantly, pointing out that the simple adhesion on the cell surface of the cationic liposomes or their fusion with the membrane is to be ruled out. As a matter of fact, confocal microscopy images directly demonstrated the penetration of the liposomes inside the cell and their diffusion within the cytoplasm. Electro-rotation experiments performed in the presence of endocytosis inhibitors suggest that the internalization is mediated by, at least, one specific pathway. Noteworthy, the liposome uptake by the cell does not cause a significant biological damage.
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Affiliation(s)
- E Stefanutti
- Dipartimento di Fisica, Sapienza Università di Roma, P.le Aldo Moro 2, 00185 Roma, Italy
| | - F Papacci
- Dipartimento di Biologia e Biotecnologie, Sapienza Università di Roma, P.le Aldo Moro 5, 00185 Roma, Italy
| | - S Sennato
- Dipartimento di Fisica, Sapienza Università di Roma, P.le Aldo Moro 2, 00185 Roma, Italy; dCNR-IPCF, Sapienza Università di Roma, P.le Aldo Moro 2, 00185 Roma, Italy
| | - C Bombelli
- CNR, Istituto di Metodologie Chimiche and Dipartimento di Chimica Sapienza Università di Roma, P.le Aldo Moro 5, 00185 Roma, Italy
| | - I Viola
- National Nanotechnology Laboratory, Institute Nanoscience-CNR (NNL, CNR-NANO), I-73100 Lecce, Italy and c/o Dipartimento di Fisica, Sapienza Università di Roma, P.le Aldo Moro 2, 00185 Roma, Italy
| | - A Bonincontro
- Dipartimento di Fisica, Sapienza Università di Roma, P.le Aldo Moro 2, 00185 Roma, Italy
| | - F Bordi
- Dipartimento di Fisica, Sapienza Università di Roma, P.le Aldo Moro 2, 00185 Roma, Italy; dCNR-IPCF, Sapienza Università di Roma, P.le Aldo Moro 2, 00185 Roma, Italy; Center for Life Nano Science@Sapienza, Istituto Italiano di Tecnologia, Viale Regina Elena, 291-00161 Roma, Italy
| | - G Mancini
- CNR, Istituto di Metodologie Chimiche and Dipartimento di Chimica Sapienza Università di Roma, P.le Aldo Moro 5, 00185 Roma, Italy
| | - G Gigli
- National Nanotechnology Laboratory, Institute Nanoscience-CNR (NNL, CNR-NANO), I-73100 Lecce, Italy and c/o Dipartimento di Fisica, Sapienza Università di Roma, P.le Aldo Moro 2, 00185 Roma, Italy; Università del Salento, Dip. di Matematica e Fisica Ennio de Giorgi and Istituto Italiano di Tecnologia, Center for Biomolecular Nanotechnologies, Lecce, Italy
| | - G Risuleo
- Dipartimento di Biologia e Biotecnologie, Sapienza Università di Roma, P.le Aldo Moro 5, 00185 Roma, Italy.
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29
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Oliverio F, Nuin E, Andreu I, Ragno G, Miranda MA. Assessment of drug entrapment within liposomes using photophysical probes. Eur J Pharm Biopharm 2014; 88:551-5. [PMID: 24973632 DOI: 10.1016/j.ejpb.2014.06.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2014] [Revised: 06/06/2014] [Accepted: 06/10/2014] [Indexed: 10/25/2022]
Abstract
The photophysical and photochemical behavior of (R)-cinacalcet (CIN) and (S)-naproxen (NPX) entrapped within liposomes has been studied. For this purpose, liposome encapsulated drugs have been prepared through thin layer evaporation and characterized by transmission electron microscopy, cryoscopy scanning electron microscopy and dynamic light scattering. Steady state and time-resolved fluorescence experiments showed similar spectra, emission quantum yields, singlet energies and lifetimes for the selected drugs, outside and inside liposomes. By contrast, laser flash photolysis experiments revealed an important enhancement of the triplet lifetimes for entrapped drugs inside liposomes, indicating the spatial confinement existing in the microenvironment prevailing in these biomimetic entities. Thus, this photophysical property shows potential as a non-invasive, direct and valuable tool to monitor encapsulation of photoactive drugs and to probe the intraliposome environment. In addition, it provides a new quantitative indicator of the capability of liposomes to act as drug carriers.
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Affiliation(s)
- Filomena Oliverio
- Instituto de Tecnología Química (UPV-CSIC), Universitat Politècnica de València, Consejo Superior de Investigaciones Científicas, Valencia, Spain; Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende, Italy
| | - Edurne Nuin
- Instituto de Tecnología Química (UPV-CSIC), Universitat Politècnica de València, Consejo Superior de Investigaciones Científicas, Valencia, Spain
| | - Inmaculada Andreu
- Unidad Mixta de Investigación IIS La Fe-UPV, Hospital La Fe, Valencia, Spain
| | - Gaetano Ragno
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende, Italy.
| | - Miguel A Miranda
- Instituto de Tecnología Química (UPV-CSIC), Universitat Politècnica de València, Consejo Superior de Investigaciones Científicas, Valencia, Spain.
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30
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Zhang JZ, Xie L, Chai SG, Zou QC. Interaction in Binary Mixtures of Gemini Surfactant G12-6-12 and CTAB by NMR. CHINESE J CHEM PHYS 2014. [DOI: 10.1063/1674-0068/27/03/307-314] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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31
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Das S, Naskar B, Ghosh S. Influence of temperature and organic solvents (isopropanol and 1,4-dioxane) on the micellization of cationic gemini surfactant (14-4-14). SOFT MATTER 2014; 10:2863-2875. [PMID: 24668039 DOI: 10.1039/c3sm52938j] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
The micellar properties of gemini surfactant, tetramethylene-1,4-bis(dimethyltetradecylammonium bromide) (14-4-14) in binary aqueous mixtures of isopropanol (IP) and 1,4-dioxane (DO) were investigated by tensiometric, conductometric and microcalorimetric methods in the temperature range of 298 to 323 K. The values of both critical micelle concentration (cmc) and degree of dissociation increase with increasing temperature and concentration of cosolvent. The energetics of micellization was determined from the temperature dependence of critical micelle concentration values. The standard Gibbs free energy of micellization (ΔG) was found to be negative and the negative value decreases with both temperature and concentration of cosolvent. The Gibbs free energy of micellization (ΔG) is mainly controlled by tail transfer free energy. The enthalpy of micellization obtained from direct calorimetry, Gibbs-Helmholtz equation and van't Hoff methods are presented and compared. Entropic contribution is found to be larger than the enthalpy and for all the systems, an enthalpy-entropy compensation phenomenon was obtained. Some interfacial parameters, e.g., Gibbs surface excess (Γmax), minimum area per surfactant molecule (Amin), surface pressure (Πcmc) were been calculated. The fluorimetric technique was used to understand the microenvironment of the solution under the influence of cosolvent. The micellar aggregation number of 14-4-14 in a binary mixed solvent was also determined from fluorimetry using pyrene as a probe. Two fluorophores, fluorescein and curcumin delivered the information of the peripheral region of the micellar interface and palisade region. The self-diffusion coefficients of the micellar media were evaluated using the cyclic voltammetry (CV) method. Such multi-technique investigation provides a new look into the role of solvation in micellization.
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Affiliation(s)
- Sibani Das
- Centre for Surface Science, Department of Chemistry, Jadavpur University, Kolkata - 700 032, India.
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32
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Kumar D, Rub MA, Akram M, Kabir-ud-Din. Interaction between dipeptide (glycyl-phenylalanine) and ninhydrin: Role of CTAB and gemini (16-s-16, s=4, 5, 6) surfactant micelles. J Colloid Interface Sci 2014; 418:324-9. [DOI: 10.1016/j.jcis.2013.12.023] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2013] [Revised: 12/10/2013] [Accepted: 12/11/2013] [Indexed: 11/16/2022]
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33
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Synthesis and Investigation of Surface Active Properties of Counterion Coupled Gemini Surfactants. J SURFACTANTS DETERG 2013. [DOI: 10.1007/s11743-013-1513-x] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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34
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Nogueira DR, del Carmen Morán M, Mitjans M, Pérez L, Ramos D, de Lapuente J, Pilar Vinardell M. Lysine-based surfactants in nanovesicle formulations: the role of cationic charge position and hydrophobicity in in vitro cytotoxicity and intracellular delivery. Nanotoxicology 2013; 8:404-21. [PMID: 23560805 DOI: 10.3109/17435390.2013.793779] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Understanding nanomaterial interactions within cells is of increasing importance for assessing their toxicity and cellular transport. Here, the authors developed nanovesicles containing bioactive cationic lysine-based amphiphiles and assessed whether these cationic compounds increase the likelihood of intracellular delivery and modulate toxicity. Different cytotoxic responses were found among the formulations, depending on surfactant, cell line and endpoint assayed. The induction of mitochondrial dysfunction, oxidative stress and apoptosis were the general mechanisms underlying cytotoxicity. Fluorescence microscopy analysis demonstrated that nanovesicles were internalised by HeLa cells and evidenced that their ability to release endocytosed materials into cell cytoplasm depends on the structural parameters of amphiphiles. The cationic charge position and hydrophobicity of surfactants determine the nanovesicle interactions within the cell and, thus, the resulting toxicity and intracellular behaviour after cell uptake of the nanomaterial. The insights into some toxicity mechanisms of these new nanomaterials contribute in reducing the uncertainty surrounding their potential health hazards.
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Affiliation(s)
- Daniele Rubert Nogueira
- Departament de Fisiologia, Facultat de Farmàcia, Universitat de Barcelona , Barcelona , Spain
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35
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Zhang JX, Wang K, Mao ZF, Fan X, Jiang DL, Chen M, Cui L, Sun K, Dang SC. Application of liposomes in drug development--focus on gastroenterological targets. Int J Nanomedicine 2013; 8:1325-34. [PMID: 23630417 PMCID: PMC3623572 DOI: 10.2147/ijn.s42153] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Over the past decade, liposomes became a focal point in developing drug delivery systems. New liposomes, with novel lipid molecules or conjugates, and new formulations opened possibilities for safely and efficiently treating many diseases including cancers. New types of liposomes can prolong circulation time or specifically deliver drugs to therapeutic targets. This article concentrates on current developments in liposome based drug delivery systems for treating diseases of the gastrointestinal tract. We will review different types and uses of liposomes in the development of therapeutics for gastrointestinal diseases including inflammatory bowel diseases and colorectal cancer.
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Affiliation(s)
- Jian-Xin Zhang
- Department of General Surgery, the Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu Province, People’s Republic of China
| | - Kun Wang
- Department of General Surgery, the Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu Province, People’s Republic of China
| | - Zheng-Fa Mao
- Department of General Surgery, the Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu Province, People’s Republic of China
| | - Xin Fan
- Department of General Surgery, the Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu Province, People’s Republic of China
| | - De-Li Jiang
- School of Chemistry and Chemical Engineering of Jiangsu University, Zhenjiang, Jiangsu Province, People’s Republic of China
| | - Min Chen
- School of Chemistry and Chemical Engineering of Jiangsu University, Zhenjiang, Jiangsu Province, People’s Republic of China
| | - Lei Cui
- Department of General Surgery, the Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu Province, People’s Republic of China
| | - Kang Sun
- Department of General Surgery, the Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu Province, People’s Republic of China
| | - Sheng-Chun Dang
- Department of General Surgery, the Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu Province, People’s Republic of China
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36
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Łuczyński J, Frąckowiak R, Włoch A, Kleszczyńska H, Witek S. Gemini ester quat surfactants and their biological activity. Cell Mol Biol Lett 2013; 18:89-101. [PMID: 23271433 PMCID: PMC6275804 DOI: 10.2478/s11658-012-0041-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2012] [Accepted: 12/13/2012] [Indexed: 11/20/2022] Open
Abstract
Cationic gemini surfactants are an important class of surface-active compounds that exhibit much higher surface activity than their monomeric counterparts. This type of compound architecture lends itself to the compound being easily adsorbed at interfaces and interacting with the cellular membranes of microorganisms. Conventional cationic surfactants have high chemical stability but poor chemical and biological degradability. One of the main approaches to the design of readily biodegradable and environmentally friendly surfactants involves inserting a bond with limited stability into the surfactant molecule to give a cleavable surfactant. The best-known example of such a compound is the family of ester quats, which are cationic surfactants with a labile ester bond inserted into the molecule. As part of this study, a series of gemini ester quat surfactants were synthesized and assayed for their biological activity. Their hemolytic activity and changes in the fluidity and packing order of the lipid polar heads were used as the measures of their biological activity. A clear correlation between the hemolytic activity of the tested compounds and their alkyl chain length was established. It was found that the compounds with a long hydrocarbon chain showed higher activity. Moreover, the compounds with greater spacing between their alkyl chains were more active. This proves that they incorporate more easily into the lipid bilayer of the erythrocyte membrane and affect its properties to a greater extent. A better understanding of the process of cell lysis by surfactants and of their biological activity may assist in developing surfactants with enhanced selectivity and in widening their range of application.
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Affiliation(s)
- Jacek Łuczyński
- Faculty of Chemistry, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland.
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Aleandri S, Bombelli C, Bonicelli MG, Bordi F, Giansanti L, Mancini G, Ierino M, Sennato S. Fusion of gemini based cationic liposomes with cell membrane models: implications for their biological activity. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2013; 1828:382-90. [DOI: 10.1016/j.bbamem.2012.10.001] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2012] [Revised: 09/25/2012] [Accepted: 10/03/2012] [Indexed: 11/26/2022]
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38
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Ansari WH, Noori S, Naqvi A, ud - Din K. Interaction between Zwitterionic Surfactants and Amphiphilic Drug: A Tensiometric Study. ACTA ACUST UNITED AC 2013. [DOI: 10.1524/zpch.2012.0340] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Abstract
The physicochemical properties, viz, critical micelle concentration (cmc), surface excess concentration (Γ
max), minimum area per head group (A
min) of zwitterionic surfactants (designated as n(−)-2-m(+); n = 8, 10, 12 and m = 12, 14, 16) and their mixtures with amphiphilic antidepressant drug amitriptyline hydrochloride (AMT) were determined by using surface tension measurements. The cmc and ideal cmc (cmcid) values along with interaction parameters, β
m and β
σ
(calculated using Rubingh's and Rosen's models), suggest attractive interactions among the components. The Krafft temperature measurements also indicate strong attractive interactions. Γ
max (or A
min) increases (or decreases) with the addition of gemini surfactant; the values being closer to that of the drug. These values and micellar mole fraction (X1
m-calculated from Rubingh's model and X
1
Moto-calculated from Motomura's model) indicate larger contribution of gemini surfactants in mixed micelles and smaller contribution at air/solution interface (as mole fraction values at interface, X
1
σ
, are slightly smaller than X
1
m). The standard Gibbs energy of micellization (Δ G
micº) and adsorption (Δ G
adº) as well as excess energy of mixing (Δ G
ex
m) are all negative. All these results suggest higher stability of the mixed systems. UV absorbance results also suggest that the mixed micelles are stable for several days.
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Affiliation(s)
| | - Sahar Noori
- Aligarh Muslim University, Department of Chemistry, Aligarh-202002, Indien
| | | | - Kabir - ud - Din
- Aligarh Muslim University, Department of Chemistry, Aligarh - 202002, Indien
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Cosimati R, Milardi GL, Bombelli C, Bonincontro A, Bordi F, Mancini G, Risuleo G. Interactions of DMPC and DMPC/gemini liposomes with the cell membrane investigated by electrorotation. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2012; 1828:352-6. [PMID: 23107760 DOI: 10.1016/j.bbamem.2012.10.021] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2012] [Revised: 10/05/2012] [Accepted: 10/18/2012] [Indexed: 11/16/2022]
Abstract
The electrorotation technique was utilized to investigate the interactions between a mouse fibroblast cell line and zwitterionic liposomes formed by a natural phospholipid or cationic liposomes formulated with the same phospholipid and a cationic gemini surfactant. The application of this technique allowed an accurate characterization of the passive dielectric behavior of the plasma membrane by the determination of its specific capacitance and conductance. Changes of these parameters, upon interaction with the liposomes, are related to variations in the structure and or in the transport properties of the membrane. Cells were exposed to both types of liposomes for 1 or 4h. Electrorotation data show a dramatic reduction of the dielectric parameters of the plasma membrane after one hour treatment. After 4h of treatment the effects are still observed only in the case of the cationic liposomes. Surprisingly, these same treatments did not cause a relevant biological damage as assessed by standard viability tests. A detailed discussion to rationalize this phenomenon is presented.
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Affiliation(s)
- R Cosimati
- Dipartimento di Fisica, Sapienza Università di Roma, P. Aldo Moro 5, 00185, Roma, Italy
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40
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Hoque J, Akkapeddi P, Yarlagadda V, Uppu DSSM, Kumar P, Haldar J. Cleavable cationic antibacterial amphiphiles: synthesis, mechanism of action, and cytotoxicities. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2012; 28:12225-34. [PMID: 22838496 DOI: 10.1021/la302303d] [Citation(s) in RCA: 140] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
The development of novel antimicrobial agents having high selectivity toward bacterial cells over mammalian cells is urgently required to curb the widespread emergence of infectious diseases caused by pathogenic bacteria. Toward this end, we have developed a set of cationic dimeric amphiphiles (bearing cleavable amide linkages between the headgroup and the hydrocarbon tail with different methylene spacers) that showed high antibacterial activity against human pathogenic bacteria (Escherichia coli and Staphylococcus aureus) and low cytotoxicity. The Minimum Inhibitory Concentrations (MIC) were found to be very low for the dimeric amphiphiles and were lower or comparable to the monomeric counterpart. In the case of dimeric amphiphiles, MIC was found to decrease with the increase in the spacer chain length (n = 2 to 6) and again to increase at higher spacer length (n > 6). It was found that the compound with six methylene spacers was the most active among all of the amphiphiles (MICs = 10-13 μM). By fluorescence spectroscopy, fluorescence microscopy, and field-emission scanning electron microscopy (FESEM), it was revealed that these cationic amphiphiles interact with the negatively charged bacterial cell membrane and disrupt the membrane integrity, thus killing the bacteria. All of the cationic amphiphiles showed low hemolytic activity (HC(50)) and high selectivity against both gram-positive and gram-negative bacteria. The most active amphiphile (n = 6) had a 10-13-fold higher HC(50) than did the MIC. Also, this amphiphile did not show any cytotoxicity against mammalian cells (HeLa cells) even at a concentration above the MIC (20 μM). The critical micellar concentration (CMC) values of gemini surfactants were found to be very low (CMC = 0.30-0.11 mM) and were 10-27 times smaller than the corresponding monomeric analogue (CMC = 2.9 mM). Chemical hydrolysis and thermogravimetric analysis (TGA) proved that these amphiphiles are quite stable under both acidic and thermal conditions. Collectively, these properties make the newly synthesized amphiphiles potentially superior disinfectants and antiseptics for various biomedical and biotechnological applications.
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Affiliation(s)
- Jiaul Hoque
- Bioorganic and Medicinal Chemistry Laboratory, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru 560064, India
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41
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Hoque J, Kumar P, Aswal VK, Haldar J. Aggregation Properties of Amide Bearing Cleavable Gemini Surfactants by Small Angle Neutron Scattering and Conductivity Studies. J Phys Chem B 2012; 116:9718-26. [DOI: 10.1021/jp305590f] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jiaul Hoque
- Bioorganic and Medicinal Chemistry
Laboratory, New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru
560064, India
| | - Pratik Kumar
- Bioorganic and Medicinal Chemistry
Laboratory, New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru
560064, India
| | - Vinod K. Aswal
- Solid State
Physics Division, Bhabha Atomic Research Centre, Mumbai 400085, India
| | - Jayanta Haldar
- Bioorganic and Medicinal Chemistry
Laboratory, New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru
560064, India
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42
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Angayarkanny S, Vijay R, Baskar G, Mandal A. Self-organization at the interface and in aqueous solution of a cationic gemini surfactant from the dioctyl ester of cystine. J Colloid Interface Sci 2012; 367:319-26. [DOI: 10.1016/j.jcis.2011.10.043] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2011] [Revised: 10/17/2011] [Accepted: 10/18/2011] [Indexed: 10/15/2022]
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43
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Lettieri R, Monti D, Zelenka K, Trnka T, Drašar P, Venanzi M. Glucosylated steroid-porphyrins as new tools for nanotechnology applications. NEW J CHEM 2012. [DOI: 10.1039/c2nj20982a] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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44
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Almeida JAS, Faneca H, Carvalho RA, Marques EF, Pais AACC. Dicationic alkylammonium bromide gemini surfactants. Membrane perturbation and skin irritation. PLoS One 2011; 6:e26965. [PMID: 22102870 PMCID: PMC3213113 DOI: 10.1371/journal.pone.0026965] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2011] [Accepted: 10/06/2011] [Indexed: 11/30/2022] Open
Abstract
Dicationic alkylammonium bromide gemini surfactants represent a class of amphiphiles potentially effective as skin permeation enhancers. However, only a limited number of studies has been dedicated to the evaluation of the respective cytotoxicity, and none directed to skin irritation endpoints. Supported on a cell viability study, the cytotoxicity of gemini surfactants of variable tail and spacer length was assessed. For this purpose, keratinocyte cells from human skin (NCTC 2544 cell line), frequently used as a model for skin irritation, were employed. The impact of the different gemini surfactants on the permeability and morphology of model vesicles was additionally investigated by measuring the leakage of calcein fluorescent dye and analyzing the NMR spectra of 31P, respectively. Detail on the interaction of gemini molecules with model membranes was also provided by a systematic differential scanning calorimetry (DSC) and molecular dynamics (MD) simulation. An irreversible impact on the viability of the NCTC 2544 cell line was observed for gemini concentrations higher than 25 mM, while no cytotoxicity was found for any of the surfactants in a concentration range up to 10 mM. A higher cytotoxicity was also found for gemini surfactants presenting longer spacer and shorter tails. The same trend was obtained in the calorimetric and permeability studies, with the gemini of longest spacer promoting the highest degree of membrane destabilization. Additional structural and dynamical characterization of the various systems, obtained by 31P NMR and MD, provide some insight on the relationship between the architecture of gemini surfactants and the respective perturbation mechanism.
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45
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Senge MO, Brandt JC. Temoporfin (Foscan®, 5,10,15,20-tetra(m-hydroxyphenyl)chlorin)--a second-generation photosensitizer. Photochem Photobiol 2011; 87:1240-96. [PMID: 21848905 DOI: 10.1111/j.1751-1097.2011.00986.x] [Citation(s) in RCA: 224] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
This review traces the development and study of the second-generation photosensitizer 5,10,15,20-tetra(m-hydroxyphenyl)chlorin through to its acceptance and clinical use in modern photodynamic (cancer) therapy. The literature has been covered up to early 2011.
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Affiliation(s)
- Mathias O Senge
- Medicinal Chemistry, Institute of Molecular Medicine, Trinity Centre for Health Sciences, Trinity College Dublin, St. James's Hospital, Dublin 8, Ireland.
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46
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Almeida JAS, Pinto SPR, Wang Y, Marques EF, Pais AACC. Structure and order of DODAB bilayers modulated by dicationic gemini surfactants. Phys Chem Chem Phys 2011; 13:13772-82. [PMID: 21720610 DOI: 10.1039/c1cp20477g] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Cationic liposomes have been extensively studied from the experimental and theoretical standpoints, motivated both by their fundamental interest and by potential applications in drug delivery and gene therapy. However, a detailed understanding of the nature of interactions within mixed bilayers containing cationic gemini surfactants is still lacking. This work focuses on the structural and dynamic properties of DODAB membranes in the presence of dicationic gemini surfactants. A thermodynamic characterization of the phase transitions in the mixed systems has been carried out by differential scanning calorimetry, while insight into the molecular interactions in the bilayer has been provided by molecular dynamics. For this purpose, variations in the gemini spacer and tail length, as well as in the respective molar fraction, have been included in both experimental and simulation studies. The results indicate that the influence of cationic gemini surfactants upon the thermotropic behavior and degree of order of DODAB structures is controlled by a complex interplay between charge density, conformation and hydrophobic effects, for which a detailed rationale is provided.
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Affiliation(s)
- João A S Almeida
- Chemistry Department, University of Coimbra, Rua Larga 3004-535 Coimbra, Portugal.
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47
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Modeling the release kinetics of poorly water-soluble drug molecules from liposomal nanocarriers. JOURNAL OF DRUG DELIVERY 2011; 2011:376548. [PMID: 21773045 PMCID: PMC3134868 DOI: 10.1155/2011/376548] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2010] [Accepted: 03/22/2011] [Indexed: 11/18/2022]
Abstract
Liposomes are frequently used as pharmaceutical nanocarriers to deliver poorly water-soluble drugs such as temoporfin, cyclosporine A, amphotericin B, and paclitaxel to their target site. Optimal drug delivery depends on understanding the release kinetics of the drug molecules from the host liposomes during the journey to the target site and at the target site. Transfer of drugs in model systems consisting of donor liposomes and acceptor liposomes is known from experimental work to typically exhibit a first-order kinetics with a simple exponential behavior. In some cases, a fast component in the initial transfer is present, in other cases the transfer is sigmoidal. We present and analyze a theoretical model for the transfer that accounts for two physical mechanisms, collisions between liposomes and diffusion of the drug molecules through the aqueous phase. Starting with the detailed distribution of drug molecules among the individual liposomes, we specify the conditions that lead to an apparent first-order kinetic behavior. We also discuss possible implications on the transfer kinetics of (1) high drug loading of donor liposomes, (2) attractive interactions between drug molecules within the liposomes, and (3) slow transfer of drugs between the inner and outer leaflets of the liposomes.
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48
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Cellular and molecular effects of the liposomal mTHPC derivative Foslipos in prostate carcinoma cells in vitro. Photodiagnosis Photodyn Ther 2011; 8:86-96. [DOI: 10.1016/j.pdpdt.2011.02.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2010] [Revised: 02/23/2011] [Accepted: 02/25/2011] [Indexed: 12/20/2022]
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49
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Han Y, Wang Y. Aggregation behavior of gemini surfactants and their interaction with macromolecules in aqueous solution. Phys Chem Chem Phys 2011; 13:1939-56. [PMID: 21225063 DOI: 10.1039/c0cp01196g] [Citation(s) in RCA: 181] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Gemini surfactants are constructed by two hydrophobic chains and two polar/ionic head groups covalently connected by a spacer group at the level of the head groups. Gemini surfactants possess unique structural variations and display special aggregate transitions. Their aggregation ability and aggregate structures can be more effectively adjusted through changing their molecular structures compared with the corresponding monomeric surfactants. Moreover, gemini surfactants exhibit special and useful properties while interacting with polymers and biomacromolecules. Their strong self-aggregation ability can be applied to effectively influence the aggregation behavior of both polymers and biomacromolecules. This short review is focused on the performances of gemini surfactants in aqueous solutions investigated in the last few years, and summarizes the effects of molecular structures on aggregation behavior of gemini surfactants in aqueous solution as well as the interaction of gemini surfactants with polymers and biomacromolecules respectively.
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Affiliation(s)
- Yuchun Han
- Key Laboratory of Colloid and Interface Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
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50
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Ibrahim H, Kasselouri A, You C, Maillard P, Rosilio V, Pansu R, Prognon P. Meso-tetraphenyl porphyrin derivatives: The effect of structural modifications on binding to DMPC liposomes and albumin. J Photochem Photobiol A Chem 2011. [DOI: 10.1016/j.jphotochem.2010.09.008] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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