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Ludwig AD, Ourvois-Maloisel N, Saint-Jalmes A, Artzner F, Guégan JP, Tasseau O, Berrée F, Lemiègre L. Adjusting the water-sensitivity of sugar/boronate-based organogels. SOFT MATTER 2022; 18:9026-9036. [PMID: 36408633 DOI: 10.1039/d2sm01305c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
During the investigation of the water-sensitivity of (arylboronate alkylglucoside)-based organogels, we evaluated a series of twelve potential organogelators. They were synthesised in a single step from the corresponding arylboronic acids and alkylglucosides. Eight of them showed organogelation abilities in three solvents (toluene, cyclohexane, and ethyl myristate). Conformational minimisations of the potential organogelators permitted a clear relationship between the arylboronate orientation and the gelation effectiveness to be established. These gels were characterised by rheometry and SEM which revealed a gel-state originating from the self-assembly of the organogelators into long entangled fibres. SAXS confirmed the mode of packing in a hexagonal phase. Gels in toluene were found to be water-sensitive both after addition of a small amount of water and immersion into water. This study demonstrated that the main parameter impacting the water-sensitivity was the length of the alkyl chain at the anomeric position of the glucoside unit, much more than the functionalisation of an arylboronate moiety.
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Affiliation(s)
- Andreas D Ludwig
- Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR - UMR6226, F-35000 Rennes, France.
| | | | - Arnaud Saint-Jalmes
- Univ Rennes, CNRS, IPR (Institut de Physique de Rennes) - UMR 6251, F-35000 Rennes, France
| | - Franck Artzner
- Univ Rennes, CNRS, IPR (Institut de Physique de Rennes) - UMR 6251, F-35000 Rennes, France
| | - Jean-Paul Guégan
- Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR - UMR6226, F-35000 Rennes, France.
| | - Olivier Tasseau
- Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR - UMR6226, F-35000 Rennes, France.
| | - Fabienne Berrée
- Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR - UMR6226, F-35000 Rennes, France.
| | - Loïc Lemiègre
- Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR - UMR6226, F-35000 Rennes, France.
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Nguyen PV, Aubry C, Boudaoud N, Gaubert A, Langlois MH, Marchivie M, Gaudin K, Arpin C, Barthélémy P, Kauss T. Oligonucleotide Solid Nucleolipid Nanoparticles against Antibiotic Resistance of ESBL-Producing Bacteria. Pharmaceutics 2022; 14:299. [PMID: 35214036 PMCID: PMC8876242 DOI: 10.3390/pharmaceutics14020299] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 01/20/2022] [Accepted: 01/25/2022] [Indexed: 02/06/2023] Open
Abstract
Antibiotic resistance has become a major issue in the global healthcare system, notably in the case of Gram-negative bacteria. Recent advances in technology with oligonucleotides have an enormous potential for tackling this problem, providing their efficient intrabacterial delivery. The current work aimed to apply this strategy by using a novel nanoformulation consisting of DOTAU, a nucleolipid carrier, in an attempt to simultaneously deliver antibiotic and anti-resistance oligonucleotides. Ceftriaxone, a third-generation cephalosporin, was formulated with DOTAU to form an ion pair, and was then nanoprecipitated. The obtained solid nanocapsules were characterized using FT-IR, XRD, HPLC, TEM and DLS techniques and further functionalized by the anti-resistance ONα sequence. To obtain an optimal anti-resistance activity and encapsulation yield, both the formulation protocol and the concentration of ONα were optimized. As a result, monodispersed negatively charged nanoparticles of CFX-DOTAU-ONα with a molar ratio of 10:24:1 were obtained. The minimum inhibitory concentration of these nanoparticles on the resistant Escherichia coli strain was significantly reduced (by 75%) in comparison with that of non-vectorized ONα. All aforementioned results reveal that our nanoformulation can be considered as an efficient and relevant strategy for oligonucleotide intrabacterial delivery in the fight against antibiotic resistance.
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Affiliation(s)
- Phuoc Vinh Nguyen
- ARNA, Inserm U1212, CNRS 5320, University of Bordeaux, 146 rue Léo Saignat, CEDEX, 33076 Bordeaux, France; (P.V.N.); (C.A.); (N.B.); (A.G.); (M.-H.L.); (K.G.); (P.B.)
| | - Clémentine Aubry
- ARNA, Inserm U1212, CNRS 5320, University of Bordeaux, 146 rue Léo Saignat, CEDEX, 33076 Bordeaux, France; (P.V.N.); (C.A.); (N.B.); (A.G.); (M.-H.L.); (K.G.); (P.B.)
| | - Narimane Boudaoud
- ARNA, Inserm U1212, CNRS 5320, University of Bordeaux, 146 rue Léo Saignat, CEDEX, 33076 Bordeaux, France; (P.V.N.); (C.A.); (N.B.); (A.G.); (M.-H.L.); (K.G.); (P.B.)
| | - Alexandra Gaubert
- ARNA, Inserm U1212, CNRS 5320, University of Bordeaux, 146 rue Léo Saignat, CEDEX, 33076 Bordeaux, France; (P.V.N.); (C.A.); (N.B.); (A.G.); (M.-H.L.); (K.G.); (P.B.)
| | - Marie-Hélène Langlois
- ARNA, Inserm U1212, CNRS 5320, University of Bordeaux, 146 rue Léo Saignat, CEDEX, 33076 Bordeaux, France; (P.V.N.); (C.A.); (N.B.); (A.G.); (M.-H.L.); (K.G.); (P.B.)
| | - Mathieu Marchivie
- UMR 5026, University of Bordeaux, CNRS, Bordeaux-INP, ICMCB, 87 Avenue du Dr Albert Schweitzer, CEDEX, 33608 Pessac, France;
| | - Karen Gaudin
- ARNA, Inserm U1212, CNRS 5320, University of Bordeaux, 146 rue Léo Saignat, CEDEX, 33076 Bordeaux, France; (P.V.N.); (C.A.); (N.B.); (A.G.); (M.-H.L.); (K.G.); (P.B.)
| | - Corinne Arpin
- MFP, CNRS 5234, University of Bordeaux, 146 rue Léo Saignat, CEDEX, 33076 Bordeaux, France;
| | - Philippe Barthélémy
- ARNA, Inserm U1212, CNRS 5320, University of Bordeaux, 146 rue Léo Saignat, CEDEX, 33076 Bordeaux, France; (P.V.N.); (C.A.); (N.B.); (A.G.); (M.-H.L.); (K.G.); (P.B.)
| | - Tina Kauss
- ARNA, Inserm U1212, CNRS 5320, University of Bordeaux, 146 rue Léo Saignat, CEDEX, 33076 Bordeaux, France; (P.V.N.); (C.A.); (N.B.); (A.G.); (M.-H.L.); (K.G.); (P.B.)
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Morris J, Bietsch J, Bashaw K, Wang G. Recently Developed Carbohydrate Based Gelators and Their Applications. Gels 2021; 7:24. [PMID: 33652820 PMCID: PMC8006029 DOI: 10.3390/gels7010024] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 02/13/2021] [Accepted: 02/22/2021] [Indexed: 12/11/2022] Open
Abstract
Carbohydrate based low molecular weight gelators have been an intense subject of study over the past decade. The self-assembling systems built from natural products have high significance as biocompatible materials and renewable resources. The versatile structures available from naturally existing monosaccharides have enriched the molecular libraries that can be used for the construction of gelators. The bottom-up strategy in designing low molecular weight gelators (LMWGs) for a variety of applications has been adopted by many researchers. Rational design, along with some serendipitous discoveries, has resulted in multiple classes of molecular gelators. This review covers the literature from 2017-2020 on monosaccharide based gelators, including common hexoses, pentoses, along with some disaccharides and their derivatives. The structure-based design and structure to gelation property relationships are reviewed first, followed by stimuli-responsive gelators. The last section focuses on the applications of the sugar based gelators, including their utilization in environmental remediation, ion sensing, catalysis, drug delivery and 3D-printing. We will also review the available LMWGs and their structure correlations to the desired properties for different applications. This review aims at elucidating the design principles and structural features that are pertinent to various applications and hope to provide certain guidelines for researchers that are working at the interface of chemistry, biochemistry, and materials science.
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Affiliation(s)
| | | | | | - Guijun Wang
- Department of Chemistry and Biochemistry, Old Dominion University, Norfolk, VA 23529, USA; (J.M.); (J.B.); (K.B.)
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Kashapov R, Gaynanova G, Gabdrakhmanov D, Kuznetsov D, Pavlov R, Petrov K, Zakharova L, Sinyashin O. Self-Assembly of Amphiphilic Compounds as a Versatile Tool for Construction of Nanoscale Drug Carriers. Int J Mol Sci 2020; 21:E6961. [PMID: 32971917 PMCID: PMC7555343 DOI: 10.3390/ijms21186961] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 09/18/2020] [Accepted: 09/19/2020] [Indexed: 12/12/2022] Open
Abstract
This review focuses on synthetic and natural amphiphilic systems prepared from straight-chain and macrocyclic compounds capable of self-assembly with the formation of nanoscale aggregates of different morphology and their application as drug carriers. Since numerous biological species (lipid membrane, bacterial cell wall, mucous membrane, corneal epithelium, biopolymers, e.g., proteins, nucleic acids) bear negatively charged fragments, much attention is paid to cationic carriers providing high affinity for encapsulated drugs to targeted cells. First part of the review is devoted to self-assembling and functional properties of surfactant systems, with special attention focusing on cationic amphiphiles, including those bearing natural or cleavable fragments. Further, lipid formulations, especially liposomes, are discussed in terms of their fabrication and application for intracellular drug delivery. This section highlights several features of these carriers, including noncovalent modification of lipid formulations by cationic surfactants, pH-responsive properties, endosomal escape, etc. Third part of the review deals with nanocarriers based on macrocyclic compounds, with such important characteristics as mucoadhesive properties emphasized. In this section, different combinations of cyclodextrin platform conjugated with polymers is considered as drug delivery systems with synergetic effect that improves solubility, targeting and biocompatibility of formulations.
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Affiliation(s)
- Ruslan Kashapov
- A.E. Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of RAS, Arbuzov street 8, Kazan 420088, Russia; (G.G.); (D.G.); (D.K.); (R.P.); (K.P.); (L.Z.); (O.S.)
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Nuthanakanti A, Srivatsan SG. Multi-stimuli responsive heterotypic hydrogels based on nucleolipids show selective dye adsorption. NANOSCALE ADVANCES 2020; 2:4161-4171. [PMID: 34286214 PMCID: PMC7611312 DOI: 10.1039/d0na00509f] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Accepted: 07/11/2020] [Indexed: 06/13/2023]
Abstract
Analogous to nucleic acids, the building blocks of nucleic acids and their derivatives are widely used to create supramolecular architectures for application mainly in the field of biomedicine. Here, we describe the construction of a multi-stimuli responsive and toxic dye adsorbing heterotypic hydrogel system formed using simple nucleoside-fatty acid conjugates. The nucleolipids are derived by coupling fatty acid chains of different lengths at the 5' position of ribothymidine and uridine. The nucleolipids in the presence of a strong base (e.g. NaOH) undergo partial hydrolysis, which triggers the self-assembly of the hydrolysed components resulting in the formation of heterotypic hydrogels. Notably, the gels are formed specifically in the presence of Na+ ions as other ions such as Li+ and K+ did not support the hydrogelation process. Systematic analysis by microscopy, NMR, single crystal and powder X-ray diffraction and rheology indicated that the deprotonated nucleolipid and fatty acid salt interdigitate and provide necessary electrostatic interactions supported by Na+ ions to set the path for the hierarchical assembly process. Notably, the hydrogels are highly sensitive to external stimuli, wherein gel-sol transition can be reversibly controlled by using temperature, pH and host-guest interaction. One of the hydrogels made of 5'-O-myristate-conjugated ribothymidine was found to selectively adsorb cationic dyes such as methylene blue and rhodamine 6G in a recyclable fashion. Taken together, the easily scalable assembly, multi-stimuli responsiveness and ability to capture and release dyes highlight the potential of our nucleolipid hydrogel system in material applications and in the treatment of dye industry wastes.
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Affiliation(s)
- Ashok Nuthanakanti
- Department of Chemistry, Indian Institute of Science Education and ResearchDr Homi Bhabha Road, PashanPune 411008India
| | - Seergazhi G. Srivatsan
- Department of Chemistry, Indian Institute of Science Education and ResearchDr Homi Bhabha Road, PashanPune 411008India
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Gabdrakhmanov DR, Kuznetsova DA, Saifina LF, Shulaeva MM, Semenov VE, Zakharova LY. Novel dicationic pyrimidine-based nucleolipid bearing piperidine head groups: Synthesis, aggregation behavior, solubilization capacity and interaction with DNA decamer. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.124853] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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