1
|
Sarkar S, Moitra P, Duan W, Bhattacharya S. A Multifunctional Aptamer Decorated Lipid Nanoparticles for the Delivery of EpCAM-targeted CRISPR/Cas9 Plasmid for Efficacious In Vivo Tumor Regression. Adv Healthc Mater 2024:e2402259. [PMID: 39212195 DOI: 10.1002/adhm.202402259] [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: 06/20/2024] [Revised: 08/19/2024] [Indexed: 09/04/2024]
Abstract
Epithelial cell adhesion molecule (EpCAM) gene encodes a type-I trans-membrane glycoprotein that is overexpressed in many cancerous epithelial cells and promotes tumor progression by regulating the expression of several oncogenes like c-myc and other cyclins. Because of this tumorigenic association, the EpCAM gene has been a potential target for anti-cancer therapy in recent days. Herein, it is attempted to knockout the proto-oncogenic EpCAM expression by efficiently delivering an all-in-one Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR) plasmid via a lipid nanoparticle system made out of synthetic stimuli-sensitive lipids. The plasmid possesses the necessary information in the form of a guide RNA targeted to the EpCAM gene. The aptamer decorated system selectively targets EpCAM overexpressed cells and efficiently inhibits the genetic expression. It has explored the pH-responsive property of the developed lipid nanoparticles and monitored their efficacy in various cancer cell lines of different origins with elevated EpCAM levels. The phenomenon has further been validated in vivo in non-immunocompromised mouse tumor models. Overall, the newly developed aptamer decorated lipid nanoparticle system has been proven to be efficacious for the delivery of EpCAM-targeted CRISPR/Cas9 plasmid.
Collapse
Affiliation(s)
- Sourav Sarkar
- School of Applied & Interdisciplinary Sciences, Indian Association for the Cultivation of Science, Kolkata, 700032, India
| | - Parikshit Moitra
- Department of Chemical Sciences, Indian Institute of Science Education and Research Berhampur, Berhampur, Odisha, 760003, India
| | - Wei Duan
- School of Medicine, Deakin University, Waurn Ponds, Victoria, 3216, Australia
| | - Santanu Bhattacharya
- School of Applied & Interdisciplinary Sciences, Indian Association for the Cultivation of Science, Kolkata, 700032, India
- Technical Research Centre, Indian Association for the Cultivation of Science, Kolkata, 700032, India
- Department of Organic Chemistry, Indian Institute of Science, Bangalore, 560012, India
- Department of Chemistry, Indian Institute of Science Education and Research Tirupati, Yerpedu, Tirupati District, Andhra Pradesh, 517619, India
| |
Collapse
|
2
|
Qin Y, Walters AA, Rouatbi N, Wang JTW, Abdel-Bar HM, Al-Jamal KT. Evaluation of a DoE based approach for comprehensive modelling of the effect of lipid nanoparticle composition on nucleic acid delivery. Biomaterials 2023; 299:122158. [PMID: 37243988 DOI: 10.1016/j.biomaterials.2023.122158] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 05/07/2023] [Accepted: 05/09/2023] [Indexed: 05/29/2023]
Abstract
Therapeutic nucleic acids (TNAs) comprise an alternative to conventional drugs for cancer therapy. Recently, stable nucleic acid lipid particles (SNALPs) have been explored to deliver TNA efficiently and safely both in vitro and in vivo. Small interfering RNA (siRNA) and messenger RNA (mRNA) based drugs have been suggested for a wide range of pathologies, and their respective lipid nanoparticle (LNP) formulations have been optimised using a Design of Experiments (DoE) approach. However, it is uncertain as to whether data obtained from DoE using simple experimental outputs can be used to generate a general heuristic for delivery of diverse TNA both in vitro and in vivo. Using plasmid DNA (pDNA), for which limited DoE optimisation has been performed, and siRNA to represent the two extremities of the TNA spectrum in terms of size and biological requirements, we performed a comparative DoE for both molecules and assessed the predictive qualities of the model both in vitro and in vivo. By producing a minimum run of 24 SNALP formulations with different lipid compositions incorporating either pDNA or siRNA, DoE models were successfully established for predicting the effect of individual lipid composition on particle size, TNA encapsulation and transfection both in vitro and in vivo. The results showed that the particle size, and in vitro and in vivo transfection efficiency of both pDNA and siRNA SNALP formulations were affected by lipid compositions. The encapsulation efficiency of pDNA SNALPs but not siRNA SNALPs was affected by the lipid composition. Notably, the optimal lipid compositions of SNALPs for pDNA/siRNA delivery were not identical. Furthermore, in vitro transfection efficiency could not be used to predict promising LNP candidates in vivo. The DoE approach described in this study may provide a method for comprehensive optimisation of LNPs for various applications. The model and optimal formulation described in this study can serve as a foundation from which to develop other novel NA containing LNPs for multiple applications such as NA based vaccines, cancer immunotherapies and other TNA therapies.
Collapse
Affiliation(s)
- Yue Qin
- Institute of Pharmaceutical Science, King's College London, Franklin-Wilkins Building, 150 Stamford Street, London, SE1 9NH, UK
| | - Adam A Walters
- Institute of Pharmaceutical Science, King's College London, Franklin-Wilkins Building, 150 Stamford Street, London, SE1 9NH, UK
| | - Nadia Rouatbi
- Institute of Pharmaceutical Science, King's College London, Franklin-Wilkins Building, 150 Stamford Street, London, SE1 9NH, UK
| | - Julie Tzu-Wen Wang
- Institute of Pharmaceutical Science, King's College London, Franklin-Wilkins Building, 150 Stamford Street, London, SE1 9NH, UK
| | - Hend Mohamed Abdel-Bar
- Institute of Pharmaceutical Science, King's College London, Franklin-Wilkins Building, 150 Stamford Street, London, SE1 9NH, UK; Department of Pharmaceutics, Faculty of Pharmacy, University of Sadat City, Sadat City, 32958, Egypt
| | - Khuloud T Al-Jamal
- Institute of Pharmaceutical Science, King's College London, Franklin-Wilkins Building, 150 Stamford Street, London, SE1 9NH, UK.
| |
Collapse
|
3
|
Maiti B, Kumar K, Datta S, Bhattacharya S. Physical-Chemical Characterization of Bilayer Membranes Derived from (±) α-Tocopherol-Based Gemini Lipids and Their Interaction with Phosphatidylcholine Bilayers and Lipoplex Formation with Plasmid DNA. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:36-49. [PMID: 34955028 DOI: 10.1021/acs.langmuir.1c01039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Membrane formation and aggregation properties of two series of (±) α-tocopherol-based cationic gemini lipids without and with hydroxyl functionalities at the headgroup region (TnS n = 3, 4, 5, 6, 8, and 12; THnS n = 4, 5, 6, 8, and 12) with varying polymethylene spacer lengths were investigated extensively while comparing with the corresponding properties of the monomeric counterparts (TM and THM). Liposomal suspensions of each cationic lipid were characterized by dynamic light scattering (DLS), transmission electron microscopy (TEM), zeta potential measurements, and small-angle X-ray diffraction studies. The length of the spacer and the presence of hydroxyl functionalities at the headgroup region strongly contribute to the aggregation behavior of these gemini lipids in water. The interaction of each tocopherol lipid with a model phospholipid, 1,2-dipalmitoyl-sn-glycero-3-phosphatidylcholine (DPPC)-derived vesicles, was thoroughly examined by differential scanning calorimetry (DSC) and 1,6-diphenyl-1,3,5-hexatriene (DPH)-doped fluorescence anisotropy measurements. The binding efficiency of the cationic tocopherol liposomes with plasmid DNA (pDNA) was followed by an ethidium bromide (EB) exclusion assay and zeta potential measurements, whereas negatively charged micellar sodium dodecyl sulfate (SDS)-mediated release of the pDNA from various preformed pDNA-liposomal complexes (lipoplex) was studied by an ethidium bromide (EB) reintercalation assay. The structural transformation of pDNA upon complexation with liposome was characterized using circular dichroism (CD) spectroscopic measurements. Gemini lipid-pDNA interactions depend on both the presence of hydroxyl functionalities at the headgroups and the length of the spacer chain between the headgroups. Succinctly, we performed a detailed physical-chemical characterization of the membranes formed from cationic monomeric and gemini lipids bearing tocopherol as their hydrophobic backbone and describe the role of inserting the -OH group at the headgroup of such lipids.
Collapse
Affiliation(s)
- Bappa Maiti
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560012, India
- Technical Research Centre, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700 032, India
| | - Krishan Kumar
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560012, India
| | - Subhasis Datta
- School of Applied & Interdisciplinary Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700 032, India
| | - Santanu Bhattacharya
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560012, India
- Technical Research Centre, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700 032, India
- School of Applied & Interdisciplinary Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700 032, India
| |
Collapse
|
4
|
An interplay between spacer nature and alkyl chain length on aqueous micellar properties of cationic Gemini surfactants: A multi-technique approach. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.01.044] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
|
5
|
Suñé-Pou M, Prieto-Sánchez S, El Yousfi Y, Boyero-Corral S, Nardi-Ricart A, Nofrerias-Roig I, Pérez-Lozano P, García-Montoya E, Miñarro-Carmona M, Ticó JR, Suñé-Negre JM, Hernández-Munain C, Suñé C. Cholesteryl oleate-loaded cationic solid lipid nanoparticles as carriers for efficient gene-silencing therapy. Int J Nanomedicine 2018; 13:3223-3233. [PMID: 29881274 PMCID: PMC5985802 DOI: 10.2147/ijn.s158884] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Background Cationic solid lipid nanoparticles (SLNs) have been given considerable attention for therapeutic nucleic acid delivery owing to their advantages over viral and other nanoparticle delivery systems. However, poor delivery efficiency and complex formulations hinder the clinical translation of SLNs. Aim The aim of this study was to formulate and characterize SLNs incorporating the cholesterol derivative cholesteryl oleate to produce SLN–nucleic acid complexes with reduced cytotoxicity and more efficient cellular uptake. Methods Five cholesteryl oleate-containing formulations were prepared. Laser diffraction and laser Doppler microelectrophoresis were used to evaluate particle size and zeta potential, respectively. Nanoparticle morphology was analyzed using electron microscopy. Cytotoxicity and cellular uptake of lipoplexes were evaluated using flow cytometry and fluorescence microscopy. The gene inhibition capacity of the lipoplexes was assessed using siRNAs to block constitutive luciferase expression. Results We obtained nanoparticles with a mean diameter of approximately 150–200 nm in size and zeta potential values of 25–40 mV. SLN formulations with intermediate concentrations of cholesteryl oleate exhibited good stability and spherical structures with no aggregation. No cell toxicity of any reference SLN was observed. Finally, cellular uptake experiments with DNA-and RNA-SLNs were performed to select one reference with superior transient transfection efficiency that significantly decreased gene activity upon siRNA complexation. Conclusion The results indicate that cholesteryl oleate-loaded SLNs are a safe and effective platform for nonviral nucleic acid delivery.
Collapse
Affiliation(s)
- Marc Suñé-Pou
- Service of Development of Medicines (SDM), Faculty of Pharmacy, University of Barcelona, Barcelona, Spain.,Department of Molecular Biology, Institute of Parasitology and Biomedicine "López-Neyra" (IPBLN-CSIC), Granada, Spain.,Pharmacotherapy, Pharmacogenetics and Pharmaceutical Technology Research Group, IDIBELL-UB, Duran i Reynals Hospital, Hospitalet de Llobregat, Barcelona, Spain
| | - Silvia Prieto-Sánchez
- Department of Molecular Biology, Institute of Parasitology and Biomedicine "López-Neyra" (IPBLN-CSIC), Granada, Spain
| | - Younes El Yousfi
- Department of Molecular Biology, Institute of Parasitology and Biomedicine "López-Neyra" (IPBLN-CSIC), Granada, Spain
| | - Sofía Boyero-Corral
- Department of Molecular Biology, Institute of Parasitology and Biomedicine "López-Neyra" (IPBLN-CSIC), Granada, Spain
| | - Anna Nardi-Ricart
- Service of Development of Medicines (SDM), Faculty of Pharmacy, University of Barcelona, Barcelona, Spain
| | - Isaac Nofrerias-Roig
- Service of Development of Medicines (SDM), Faculty of Pharmacy, University of Barcelona, Barcelona, Spain
| | - Pilar Pérez-Lozano
- Service of Development of Medicines (SDM), Faculty of Pharmacy, University of Barcelona, Barcelona, Spain.,Pharmacotherapy, Pharmacogenetics and Pharmaceutical Technology Research Group, IDIBELL-UB, Duran i Reynals Hospital, Hospitalet de Llobregat, Barcelona, Spain
| | - Encarna García-Montoya
- Service of Development of Medicines (SDM), Faculty of Pharmacy, University of Barcelona, Barcelona, Spain.,Pharmacotherapy, Pharmacogenetics and Pharmaceutical Technology Research Group, IDIBELL-UB, Duran i Reynals Hospital, Hospitalet de Llobregat, Barcelona, Spain
| | - Montserrat Miñarro-Carmona
- Service of Development of Medicines (SDM), Faculty of Pharmacy, University of Barcelona, Barcelona, Spain.,Pharmacotherapy, Pharmacogenetics and Pharmaceutical Technology Research Group, IDIBELL-UB, Duran i Reynals Hospital, Hospitalet de Llobregat, Barcelona, Spain
| | - Josep Ramón Ticó
- Service of Development of Medicines (SDM), Faculty of Pharmacy, University of Barcelona, Barcelona, Spain.,Pharmacotherapy, Pharmacogenetics and Pharmaceutical Technology Research Group, IDIBELL-UB, Duran i Reynals Hospital, Hospitalet de Llobregat, Barcelona, Spain
| | - Josep Mª Suñé-Negre
- Service of Development of Medicines (SDM), Faculty of Pharmacy, University of Barcelona, Barcelona, Spain.,Pharmacotherapy, Pharmacogenetics and Pharmaceutical Technology Research Group, IDIBELL-UB, Duran i Reynals Hospital, Hospitalet de Llobregat, Barcelona, Spain
| | - Cristina Hernández-Munain
- Department of Cell Biology and Immunology, Institute of Parasitology and Biomedicine "López-Neyra" (IPBLN-CSIC), Granada, Spain
| | - Carlos Suñé
- Department of Molecular Biology, Institute of Parasitology and Biomedicine "López-Neyra" (IPBLN-CSIC), Granada, Spain
| |
Collapse
|
6
|
Maiti B, Kumar K, Moitra P, Kondaiah P, Bhattacharya S. Reduction Responsive Nanovesicles Derived from Novel α-Tocopheryl-Lipoic Acid Conjugates for Efficacious Drug Delivery to Sensitive and Drug Resistant Cancer Cells. Bioconjug Chem 2018; 29:255-266. [PMID: 29268009 DOI: 10.1021/acs.bioconjchem.7b00497] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Two novel α-tocopheryl-lipoic acid conjugates (TL1 and TL2) were synthesized for the anticancer drug, doxorubicin (DOX), delivery. Both conjugates were able to form stable nanovesicles. The critical aggregation concentration (CAC) was determined using 4-(N,N-dimethylamino)cinnamaldehyde (DMACA) as a fluorescence probe. Formation of highly packed nanovesicles was characterized by 1,6-diphenyl-1,3,5-hexatriene (DPH) fluorescence anisotropy and microviscosity measurements. The morphologies of nanovesicles were visualized by transmission electron microscopy (TEM) and atomic force microscopy (AFM). The response of nanovesicles to reducing environment of cells was probed by the addition of dithiothreitol (DTT), which was followed by the increase in the hydrodynamic diameter under dynamic light scattering (DLS) measurements. The encapsulation efficiency of a commonly used anticancer drug, doxorubicin (DOX), in nanovesicles was found to be ∼60% and ∼55% for TL1 and TL2, respectively (TL1-DOX and TL2-DOX). Also, the cumulative drug (DOX) release from DOX-encapsulated nanovesicles in response to biological reducing agent glutathione (GSH) was ∼50% and ∼40% for TL1-DOX and TL2-DOX, respectively, over a period of 10 h. Both TL1-DOX and TL2-DOX delivered the anticancer drug, doxorubicin (DOX), across the DOX-sensitive and DOX-resistant HeLa (HeLa-DOXR) cells in an efficient manner and significantly more efficaciously than the drug alone treatments, especially in HeLa-DOXR cells. The nanovesicle mediated DOX treatment also showed significantly higher cell death when compared to DOX alone treatment in HeLa-DOXR cells. Blood compatibility of the nanovesicles was supported from clotting time, hemolysis, and red blood cell (RBC) aggregation experiments for their potential in vivo applications. Concisely, we present biocompatible and responsive nanovesicles for efficacious drug delivery to drug-sensitive and drug-resistant cancer cells.
Collapse
Affiliation(s)
- Bappa Maiti
- Department of Organic Chemistry and ‡Department of Molecular Reproduction, Development, and Genetics, Indian Institute of Science , Bangalore 560012, India.,Director's Research Unit and ∥Technical Research Centre, Indian Association for the Cultivation of Science , Kolkata 700032, India
| | - Krishan Kumar
- Department of Organic Chemistry and ‡Department of Molecular Reproduction, Development, and Genetics, Indian Institute of Science , Bangalore 560012, India.,Director's Research Unit and ∥Technical Research Centre, Indian Association for the Cultivation of Science , Kolkata 700032, India
| | - Parikshit Moitra
- Department of Organic Chemistry and ‡Department of Molecular Reproduction, Development, and Genetics, Indian Institute of Science , Bangalore 560012, India.,Director's Research Unit and ∥Technical Research Centre, Indian Association for the Cultivation of Science , Kolkata 700032, India
| | - Paturu Kondaiah
- Department of Organic Chemistry and ‡Department of Molecular Reproduction, Development, and Genetics, Indian Institute of Science , Bangalore 560012, India.,Director's Research Unit and ∥Technical Research Centre, Indian Association for the Cultivation of Science , Kolkata 700032, India
| | - Santanu Bhattacharya
- Department of Organic Chemistry and ‡Department of Molecular Reproduction, Development, and Genetics, Indian Institute of Science , Bangalore 560012, India.,Director's Research Unit and ∥Technical Research Centre, Indian Association for the Cultivation of Science , Kolkata 700032, India
| |
Collapse
|
7
|
Sheng R, Wang Z, Luo T, Cao A, Sun J, Kinsella JM. Skeleton-Controlled pDNA Delivery of Renewable Steroid-Based Cationic Lipids, the Endocytosis Pathway Analysis and Intracellular Localization. Int J Mol Sci 2018; 19:ijms19020369. [PMID: 29373505 PMCID: PMC5855591 DOI: 10.3390/ijms19020369] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Revised: 01/11/2018] [Accepted: 01/18/2018] [Indexed: 01/07/2023] Open
Abstract
Using renewable and biocompatible natural-based resources to construct functional biomaterials has attracted great attention in recent years. In this work, we successfully prepared a series of steroid-based cationic lipids by integrating various steroid skeletons/hydrophobes with (l-)-arginine headgroups via facile and efficient synthetic approach. The plasmid DNA (pDNA) binding affinity of the steroid-based cationic lipids, average particle sizes, surface potentials, morphologies and stability of the steroid-based cationic lipids/pDNA lipoplexes were disclosed to depend largely on the steroid skeletons. Cellular evaluation results revealed that cytotoxicity and gene transfection efficiency of the steroid-based cationic lipids in H1299 and HeLa cells strongly relied on the steroid hydrophobes. Interestingly, the steroid lipids/pDNA lipoplexes inclined to enter H1299 cells mainly through caveolae and lipid-raft mediated endocytosis pathways, and an intracellular trafficking route of “lipid-raft-mediated endocytosis→lysosome→cell nucleic localization” was accordingly proposed. The study provided possible approach for developing high-performance steroid-based lipid gene carriers, in which the cytotoxicity, gene transfection capability, endocytosis pathways, and intracellular trafficking/localization manners could be tuned/controlled by introducing proper steroid skeletons/hydrophobes. Noteworthy, among the lipids, Cho-Arg showed remarkably high gene transfection efficacy, even under high serum concentration (50% fetal bovine serum), making it an efficient gene transfection agent for practical application.
Collapse
Affiliation(s)
- Ruilong Sheng
- Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Lingling Road 345, Shanghai 200032, China.
- Department of Bioengineering, McGill University, 817 Sherbrook Street, Montréal, QC H3A0C3, Canada.
- CQM-Centro de Química da Madeira, Universidade da Madeira, Campus da Penteada, 9000-390 Funchal, Portugal.
| | - Zhao Wang
- Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Lingling Road 345, Shanghai 200032, China.
| | - Ting Luo
- Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Lingling Road 345, Shanghai 200032, China.
| | - Amin Cao
- Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Lingling Road 345, Shanghai 200032, China.
| | - Jingjing Sun
- Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Lingling Road 345, Shanghai 200032, China.
| | - Joseph M Kinsella
- Department of Bioengineering, McGill University, 817 Sherbrook Street, Montréal, QC H3A0C3, Canada.
| |
Collapse
|
8
|
Maiti B, Kamra M, Karande AA, Bhattacharya S. Transfection efficiencies of α-tocopherylated cationic gemini lipids with hydroxyethyl bearing headgroups under high serum conditions. Org Biomol Chem 2018; 16:1983-1993. [DOI: 10.1039/c7ob02835k] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Liposomal gene transfection under high serum conditions.
Collapse
Affiliation(s)
- Bappa Maiti
- Department of Organic Chemistry
- Indian Institute of Science
- Bangalore 560012
- India
- Director's Research Unit
| | - Mohini Kamra
- Department of Organic Chemistry
- Indian Institute of Science
- Bangalore 560012
- India
| | - Anjali A. Karande
- Department of Biochemistry
- Indian Institute of Science
- Bangalore 560012
- India
| | - Santanu Bhattacharya
- Department of Organic Chemistry
- Indian Institute of Science
- Bangalore 560012
- India
- Director's Research Unit
| |
Collapse
|
9
|
Martínez-Negro M, Kumar K, Barrán-Berdón AL, Datta S, Kondaiah P, Junquera E, Bhattacharya S, Aicart E. Efficient Cellular Knockdown Mediated by siRNA Nanovectors of Gemini Cationic Lipids Having Delocalizable Headgroups and Oligo-Oxyethylene Spacers. ACS APPLIED MATERIALS & INTERFACES 2016; 8:22113-22126. [PMID: 27508330 DOI: 10.1021/acsami.6b08823] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The use of small interfering RNAs (siRNAs) to silence specific genes is one of the most promising approaches in gene therapy, but it requires efficient nanovectors for successful cellular delivery. Recently, we reported liposomal gene carriers derived from a gemini cationic lipid (GCL) of the 1,2-bis(hexadecyl dimethyl imidazolium) oligo-oxyethylene series ((C16Im)2(C2H4O)nC2H4 with n = 1, 2, or 3) and 1,2-dioleyol phosphatidylethanolamine as highly efficient cytofectins for pDNA. On the basis of the satisfactory outcomes of the previous study, the present work focuses on the utility of coliposomes of these gemini lipids with the biocompatible neutral lipid mono oleoyl glycerol (MOG) as highly potent vectors for siRNA cellular transport in the presence of serum. The (C16Im)2(C2H4O)nC2H4/MOG-siRNA lipoplexes were characterized through (i) a physicochemical study (zeta potential, cryo-transmission electron microscopy, small-angle X-ray scattering, and fluorescence anisotropy) to establish the relationship between size, structure, fluidity, and the interaction between siRNA and the GCL/MOG gene vectors and (ii) a biological analysis (flow cytometry, fluorescence microscopy, and cell viability) to report the anti-GFP siRNA transfections in HEK 293T, HeLa, and H1299 cancer cell lines. The in vitro biological analysis confirms the cellular uptake and indicates that a short spacer, a very low molar fraction of GCL in the mixed lipid, and a moderate effective charge ratio of the lipoplex yielded maximum silencing efficacy. At these experimental conditions, the siRNA used in this work is compacted by the GCL/MOG nanovectors by forming two cubic structures (Ia3d and Pm3n) that are correlated with excellent silencing activity. These liposomal nanocarriers possess high silencing activity with a negligible cytotoxicity, which strongly supports their practical use for in vivo knockdown studies.
Collapse
Affiliation(s)
- María Martínez-Negro
- Grupo de Química Coloidal y Supramolecular, Departamento de Química Física I, Facultad de Ciencias Químicas, Universidad Complutense de Madrid , 28040 Madrid, Spain
| | | | - Ana L Barrán-Berdón
- Grupo de Química Coloidal y Supramolecular, Departamento de Química Física I, Facultad de Ciencias Químicas, Universidad Complutense de Madrid , 28040 Madrid, Spain
| | | | | | - Elena Junquera
- Grupo de Química Coloidal y Supramolecular, Departamento de Química Física I, Facultad de Ciencias Químicas, Universidad Complutense de Madrid , 28040 Madrid, Spain
| | | | - Emilio Aicart
- Grupo de Química Coloidal y Supramolecular, Departamento de Química Física I, Facultad de Ciencias Químicas, Universidad Complutense de Madrid , 28040 Madrid, Spain
| |
Collapse
|
10
|
The role of disulfide-bridge on the activities of H-shape gemini-like cationic lipid based siRNA delivery. J Control Release 2016; 235:99-111. [DOI: 10.1016/j.jconrel.2016.05.051] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Revised: 05/17/2016] [Accepted: 05/23/2016] [Indexed: 12/18/2022]
|
11
|
Junquera E, Aicart E. Recent progress in gene therapy to deliver nucleic acids with multivalent cationic vectors. Adv Colloid Interface Sci 2016; 233:161-175. [PMID: 26265376 DOI: 10.1016/j.cis.2015.07.003] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2015] [Revised: 07/10/2015] [Accepted: 07/12/2015] [Indexed: 12/16/2022]
Abstract
Due to the potential use as transfecting agents of nucleic acids (DNA or RNA), multivalent cationic non-viral vectors have received special attention in the last decade. Much effort has been addressed to synthesize more efficient and biocompatible gene vectors able to transport nucleic acids into the cells without provoking an immune response. Among them, the mostly explored to compact and transfect nucleic acids are: (a) gemini and multivalent cationic lipids, mixed with a helper lipid, by forming lipoplexes; and (b) cationic polymers, polycations, and polyrotaxanes, by forming polyplexes. This review is focused on the progress and recent advances experimented in this area, mainly during the present decade, devoting special attention to the lipoplexes and polyplexes, as follows: (a) to its biophysical characterization (mainly electrostatics, structure, size and morphology) using a wide variety of experimental methods; and (b) to its biological activity (transfection efficacy and cytotoxicity) addressed to confirm the optimum formulations and viability of these complexes as very promising gene vectors of nucleic acids in nanomedicine.
Collapse
Affiliation(s)
- Elena Junquera
- Grupo de Química Coloidal y Supramolecular, Departamento de Química Física I, Facultad de Ciencias Químicas, Universidad Complutense, 28040 Madrid, Spain
| | - Emilio Aicart
- Grupo de Química Coloidal y Supramolecular, Departamento de Química Física I, Facultad de Ciencias Químicas, Universidad Complutense, 28040 Madrid, Spain.
| |
Collapse
|
12
|
Onuki Y, Obata Y, Kawano K, Sano H, Matsumoto R, Hayashi Y, Takayama K. Membrane Microdomain Structures of Liposomes and Their Contribution to the Cellular Uptake Efficiency into HeLa Cells. Mol Pharm 2016; 13:369-78. [PMID: 26709741 DOI: 10.1021/acs.molpharmaceut.5b00601] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The purpose of this study is to obtain a comprehensive relationship between membrane microdomain structures of liposomes and their cellular uptake efficiency. Model liposomes consisting of 1,2-dipalmitoyl-sn-glycero-3-phosphocholine (DPPC)/1,2-dioleoyl-sn-glycero-3-phosphocholine (DOPC)/cholesterol (Ch) were prepared with various lipid compositions. To detect distinct membrane microdomains in the liposomes, fluorescence-quenching assays were performed at temperatures ranging from 25 to 60 °C using 1,6-diphenyl-1,3,5-hexatriene-labeled liposomes and (2,2,6,6-tetramethylpiperidin-1-yl)oxyl. From the data analysis using the response surface method, we gained a better understanding of the conditions for forming distinct domains (Lo, Ld, and gel phase membranes) as a function of lipid composition. We further performed self-organizing maps (SOM) clustering to simplify the complicated behavior of the domain formation to obtain its essence. As a result, DPPC/DOPC/Ch liposomes in any lipid composition were integrated into five distinct clusters in terms of similarity of the domain structure. In addition, the findings from synchrotron small-angle X-ray scattering analysis offered further insight into the domain structures. As a last phase of this study, an in vitro cellular uptake study using HeLa cells was conducted using SOM clusters' liposomes with/without PEGylation. As a consequence of this study, higher cellular uptake was observed from liposomes having Ch-rich ordered domains.
Collapse
Affiliation(s)
- Yoshinori Onuki
- Department of Pharmaceutical Technology, Graduate School of Medical and Pharmaceutical Science, Unversity of Toyama , Sugitani 2630, Toyama-shi, Toyama 930-0194, Japan
| | - Yasuko Obata
- Department of Pharmaceutics and §Department of Drug Delivery Research, Hoshi University , Ebara 2-4-41, Shinagawa, Tokyo 142-8501, Japan
| | | | - Hiromu Sano
- Department of Pharmaceutics and §Department of Drug Delivery Research, Hoshi University , Ebara 2-4-41, Shinagawa, Tokyo 142-8501, Japan
| | - Reina Matsumoto
- Department of Pharmaceutics and §Department of Drug Delivery Research, Hoshi University , Ebara 2-4-41, Shinagawa, Tokyo 142-8501, Japan
| | - Yoshihiro Hayashi
- Department of Pharmaceutical Technology, Graduate School of Medical and Pharmaceutical Science, Unversity of Toyama , Sugitani 2630, Toyama-shi, Toyama 930-0194, Japan
| | - Kozo Takayama
- Department of Pharmaceutics and §Department of Drug Delivery Research, Hoshi University , Ebara 2-4-41, Shinagawa, Tokyo 142-8501, Japan
| |
Collapse
|
13
|
Parikh K, Mistry B, Jana S, Gupta S, Devkar RV, Kumar S. Physico-biochemical studies on cationic gemini surfactants: Role of spacer. J Mol Liq 2015. [DOI: 10.1016/j.molliq.2015.01.055] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
|
14
|
Kumar S, Bhargava P, Sreekanth V, Bajaj A. Design, synthesis, and physico-chemical interactions of bile acid derived dimeric phospholipid amphiphiles with model membranes. J Colloid Interface Sci 2015; 448:398-406. [DOI: 10.1016/j.jcis.2015.01.069] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2014] [Revised: 01/26/2015] [Accepted: 01/26/2015] [Indexed: 11/16/2022]
|
15
|
Bhattacharjee S, Bhattacharya S. Charge Transfer Induces Formation of Stimuli-Responsive, Chiral, Cohesive Vesicles-on-a-String that Eventually Turn into a Hydrogel. Chem Asian J 2015; 10:572-80. [DOI: 10.1002/asia.201403205] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2014] [Indexed: 12/24/2022]
|
16
|
Efficient delivery of plasmid DNA using cholesterol-based cationic lipids containing polyamines and ether linkages. Int J Mol Sci 2014; 15:7293-312. [PMID: 24786091 PMCID: PMC4057673 DOI: 10.3390/ijms15057293] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2014] [Revised: 03/24/2014] [Accepted: 04/10/2014] [Indexed: 12/24/2022] Open
Abstract
Cationic liposomes are broadly used as non-viral vectors to deliver genetic materials that can be used to treat various diseases including cancer. To circumvent problems associated with cationic liposome-mediated delivery systems such as low transfection efficiency and serum-induced inhibition, cholesterol-based cationic lipids have been synthesized that resist the effects of serum. The introduction of an ether-type linkage and extension of the aminopropyl head group on the cholesterol backbone increased the transfection efficiency and DNA binding affinity compared to a carbamoyl-type linkage and a mono aminopropyl head group, respectively. Under optimal conditions, each liposome formulation showed higher transfection efficiency in AGS and Huh-7 cells than commercially available cationic liposomes, particularly in the presence of serum. The following molecular structures were found to have a positive effect on transfection properties: (i) extended aminopropyl head groups for a strong binding affinity to plasmid DNA; (ii) an ether linkage that favors electrostatic binding to plasmid DNA; and (iii) a cholesterol backbone for serum resistance.
Collapse
|
17
|
Chou TH, Chen CW, Liang CH, Yeh LH, Qian S. Simple synthesis, self-assembly, and cytotoxicity of novel dimeric cholesterol derivatives. Colloids Surf B Biointerfaces 2014; 116:153-9. [DOI: 10.1016/j.colsurfb.2013.12.044] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2013] [Revised: 12/07/2013] [Accepted: 12/20/2013] [Indexed: 01/07/2023]
|
18
|
Sheng R, Luo T, Li H, Sun J, Wang Z, Cao A. 'Click' synthesized sterol-based cationic lipids as gene carriers, and the effect of skeletons and headgroups on gene delivery. Bioorg Med Chem 2013; 21:6366-77. [PMID: 24063908 DOI: 10.1016/j.bmc.2013.08.047] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2013] [Revised: 08/15/2013] [Accepted: 08/24/2013] [Indexed: 01/01/2023]
Abstract
In this work, we have successfully prepared a series of new sterol-based cationic lipids (1-4) via an efficient 'Click' chemistry approach. The pDNA binding affinity of these lipids was examined by EB displacement and agarose-gel retardant assay. The average particle sizes and surface charges of the sterol-based cationic lipids/pDNA lipoplexes were analyzed by dynamic laser light scattering instrument (DLS), and the morphologies of the lipoplexes were observed by atomic force microscopy (AFM). The cytotoxicity of the lipids were examined by MTT and LDH assay, and the gene transfection efficiencies of these lipid carriers were investigated by luciferase gene transfection assay in various cell lines. In addition, the intracellular uptake and trafficking/localization behavior of the Cy3-DNA loaded lipoplexes were preliminarily studied by fluorescence microscopy. The results demonstrated that the pDNA loading capacity, lipoplex particle size, zeta potential and morphology of the sterol lipids/pDNA lipoplexes depended largely on the molecular structure factors including sterol-skeletons and headgroups. Furthermore, the sterol-based lipids showed quite different cytotoxicity and gene transfection efficacy in A549 and HeLa cells. Interestingly, it was found that the cholesterol-bearing lipids 1 and 2 showed 7-10(4) times higher transfection capability than their lithocholate-bearing counterparts 3 and 4 in A549 and HeLa cell lines, suggested that the gene transfection capacity strongly relied on the structure of sterol skeletons. Moreover, the study on the structure-activity relationships of these sterol-based cationic lipid gene carriers provided a possible approach for developing low cytotoxic and high efficient lipid gene carriers by selecting suitable sterol hydrophobes and cationic headgroups.
Collapse
Affiliation(s)
- Ruilong Sheng
- Laboratory for Polymer Materials, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | | | | | | | | | | |
Collapse
|
19
|
Monolayers of novel Gemini amphiphiles with phthalimide headgroups at the air/water interface: pH and alkyl chain length effects. J Colloid Interface Sci 2013; 401:97-106. [DOI: 10.1016/j.jcis.2013.03.023] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2013] [Revised: 03/18/2013] [Accepted: 03/19/2013] [Indexed: 11/21/2022]
|
20
|
Pozzi D, Marchini C, Cardarelli F, Amenitsch H, Garulli C, Bifone A, Caracciolo G. Transfection efficiency boost of cholesterol-containing lipoplexes. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2012; 1818:2335-43. [DOI: 10.1016/j.bbamem.2012.05.017] [Citation(s) in RCA: 70] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2012] [Revised: 05/08/2012] [Accepted: 05/14/2012] [Indexed: 10/28/2022]
|
21
|
Fabrication and characterization of self-assembled multifunctional coating deposition on a cellulose substrate. Colloids Surf A Physicochem Eng Asp 2012. [DOI: 10.1016/j.colsurfa.2012.02.039] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
|
22
|
Misra SK, Kondaiah P, Bhattacharya S, Rao CNR. Graphene as a nanocarrier for tamoxifen induces apoptosis in transformed cancer cell lines of different origins. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2012; 8:131-143. [PMID: 22102595 DOI: 10.1002/smll.201101640] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2011] [Indexed: 05/31/2023]
Abstract
A cationic amphiphile, cholest-5en-3β-oxyethyl pyridinium bromide (PY(+) -Chol), is able to efficiently disperse exfoliated graphene (GR) in water by the physical adsorption of PY(+) -Chol on the surface of GR to form stable, dark aqueous suspensions at room temperature. The GR-PY(+) -Chol suspension can then be used to solubilize Tamoxifen Citrate (TmC), a breast cancer drug, in water. The resulting TmC-GR-PY(+) -Chol is stable for a long time without any precipitation. Fluorescence emission and UV absorption spectra indicate the existence of noncovalent interactions between TmC, GR, and PY(+) -Chol in these suspensions. Electron microscopy shows the existence of segregated GR sheets and TmC 'ribbons' in the composite suspensions. Atomic force microscopy indicates the presence of 'extended' structures of GR-PY(+) -Chol, which grows wider in the presence of TmC. The slow time-dependent release of TmC is noticed in a reconstituted cell culture medium, a property useful as a drug carrier. TmC-GR-PY(+) -Chol selectively enhanced the cell death (apoptosis) of the transformed cancer cells compared to normal cells. This potency is found to be true for a wide range of transformed cancer cells viz. HeLa, A549, ras oncogene-transformed NIH3T3, HepG2, MDA-MB231, MCF-7, and HEK293T compared to the normal cell HEK293 in vitro. Confocal microscopy confirmed the high efficiency of TmC-GR-PY(+) -Chol in delivering the drug to the cells, compared to the suspensions devoid of GR.
Collapse
Affiliation(s)
- Santosh K Misra
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560 012, India
| | | | | | | |
Collapse
|
23
|
Fluorescence methods for lipoplex characterization. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2011; 1808:2694-705. [DOI: 10.1016/j.bbamem.2011.07.020] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2011] [Revised: 06/29/2011] [Accepted: 07/15/2011] [Indexed: 11/24/2022]
|
24
|
Biswas J, Mishra SK, Kondaiah P, Bhattacharya S. Syntheses, Transfection Efficacy and Cell Toxicity Properties of Novel Cholesterol-based Gemini Lipids having Hydroxyethyl Head group. Org Biomol Chem 2011; 9:4600-13. [DOI: 10.1039/c0ob00940g] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|