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Ford RR, Gilbert PH, Gillilan R, Huang Q, Donnelly R, Qian KK, Allen DP, Wagner NJ, Liu Y. Micelle Formation and Phase Separation of Poloxamer 188 and Preservative Molecules in Aqueous Solutions Studied by Small Angle X-ray Scattering. J Pharm Sci 2023; 112:731-739. [PMID: 36150467 PMCID: PMC9974587 DOI: 10.1016/j.xphs.2022.09.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 09/16/2022] [Accepted: 09/16/2022] [Indexed: 10/14/2022]
Abstract
Multi-injection pharmaceutical products such as insulin must be formulated to prevent aggregation and microbial contamination. Small-molecule preservatives and nonionic surfactants such as poloxamer 188 (P188) are thus often employed in protein drug formulations. However, mixtures of preservatives and surfactants can induce aggregation and even phase separation over time, despite the fact that all components are well dissolvable when used alone in aqueous solution. A systematic study is conducted here to understand the phase behavior and morphological causes of aggregation of P188 in the presence of the preservatives phenol and benzyl alcohol, primarily using small-angle x-ray scattering (SAXS). Based on SAXS results, P188 remains as unimers in solution when below a certain phenol concentration. Upon increasing the phenol concentration, a regime of micelle formation is observed due to the interaction between P188 and phenol. Further increasing the phenol concentration causes mixtures to become turbid and phase-separate over time. The effect of benzyl alcohol on the phase behavior is also investigated.
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Affiliation(s)
- Rachel R Ford
- Department of Chemical & Biomolecular Engineering, Center for Neutron Science, University of Delaware, Newark, DE, 19716, United States; NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, MD, 20899, United States.
| | - Peter H Gilbert
- Department of Chemical & Biomolecular Engineering, Center for Neutron Science, University of Delaware, Newark, DE, 19716, United States; NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, MD, 20899, United States
| | - Richard Gillilan
- Center for High-Energy X-ray Sciences at CHESS, Cornell University, Ithaca, NY, 14853, United States
| | - Qingqiu Huang
- Center for High-Energy X-ray Sciences at CHESS, Cornell University, Ithaca, NY, 14853, United States
| | - Róisín Donnelly
- Department of Chemical & Biomolecular Engineering, Center for Neutron Science, University of Delaware, Newark, DE, 19716, United States
| | - Ken K Qian
- Eli Lilly and Company, Indianapolis, IN, 46225, United States
| | - David P Allen
- Eli Lilly and Company, Indianapolis, IN, 46225, United States
| | - Norman J Wagner
- Department of Chemical & Biomolecular Engineering, Center for Neutron Science, University of Delaware, Newark, DE, 19716, United States
| | - Yun Liu
- Department of Chemical & Biomolecular Engineering, Center for Neutron Science, University of Delaware, Newark, DE, 19716, United States; NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, MD, 20899, United States
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Tsoneva I, Semkova S, Bakalova R, Zhelev Z, Nuss P, Staneva G, Nikolova B. Electroporation, electrochemotherapy and electro-assisted drug delivery in cancer. A state-of-the-art review. Biophys Chem 2022. [DOI: 10.1016/j.bpc.2022.106819] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 04/06/2022] [Accepted: 04/12/2022] [Indexed: 01/08/2023]
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Das R, Langou S, Le TT, Prasad P, Lin F, Nguyen TD. Electrical Stimulation for Immune Modulation in Cancer Treatments. Front Bioeng Biotechnol 2022; 9:795300. [PMID: 35087799 PMCID: PMC8788921 DOI: 10.3389/fbioe.2021.795300] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 12/17/2021] [Indexed: 12/17/2022] Open
Abstract
Immunotherapy is becoming a very common treatment for cancer, using approaches like checkpoint inhibition, T cell transfer therapy, monoclonal antibodies and cancer vaccination. However, these approaches involve high doses of immune therapeutics with problematic side effects. A promising approach to reducing the dose of immunotherapeutic agents given to a cancer patient is to combine it with electrical stimulation, which can act in two ways; it can either modulate the immune system to produce the immune cytokines and agents in the patient's body or it can increase the cellular uptake of these immune agents via electroporation. Electrical stimulation in form of direct current has been shown to reduce tumor sizes in immune-competent mice while having no effect on tumor sizes in immune-deficient mice. Several studies have used nano-pulsed electrical stimulations to activate the immune system and drive it against tumor cells. This approach has been utilized for different types of cancers, like fibrosarcoma, hepatocellular carcinoma, human papillomavirus etc. Another common approach is to combine electrochemotherapy with immune modulation, either by inducing immunogenic cell death or injecting immunostimulants that increase the effectiveness of the treatments. Several therapies utilize electroporation to deliver immunostimulants (like genes encoded with cytokine producing sequences, cancer specific antigens or fragments of anti-tumor toxins) more effectively. Lastly, electrical stimulation of the vagus nerve can trigger production and activation of anti-tumor immune cells and immune reactions. Hence, the use of electrical stimulation to modulate the immune system in different ways can be a promising approach to treat cancer.
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Affiliation(s)
- Ritopa Das
- Department of Biomedical Engineering, University of Connecticut, Mansfield, CT, United States
| | - Sofia Langou
- Department of Physiology and Neurobiology, University of Connecticut, Mansfield, CT, United States
| | - Thinh T. Le
- Department of Mechanical Engineering, University of Connecticut, Mansfield, CT, United States
| | - Pooja Prasad
- Department of Cell and Molecular Biology, University of Connecticut, Mansfield, CT, United States
| | - Feng Lin
- Department of Mechanical Engineering, University of Connecticut, Mansfield, CT, United States
| | - Thanh D. Nguyen
- Department of Biomedical Engineering, University of Connecticut, Mansfield, CT, United States
- Department of Mechanical Engineering, University of Connecticut, Mansfield, CT, United States
- Institute of Materials Science, University of Connecticut, Mansfield, CT, United States
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Dimov S, Mavrova AT, Yancheva D, Nikolova B, Tsoneva I. Thieno[2,3-d]pyrimidin-4(3H)-one Derivatives of Benzimidazole as Potential Anti- Breast Cancer (MDA-MB-231, MCF-7) Agents. Anticancer Agents Med Chem 2021; 21:1441-1450. [PMID: 32698751 DOI: 10.2174/1871520620666200721131431] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 06/08/2020] [Accepted: 06/17/2020] [Indexed: 11/22/2022]
Abstract
AIMS The purpose of this study was the synthesis of some new thienopyrimidine derivatives of 1,3-disubstituted benzimidazoles and the evaluation of their cytotoxicity against MDA-MB-231, MCF-7, and 3T3 cells lines. BACKGROUND An overexpression or mutational activation of TK receptors EGFR and HER2/neu is characteristic of tumors. It has been found that some thieno[2,3-d]pyrimidines exhibited better inhibitory activity against Epidermal Growth Factor Receptor (EGFR/ErbB-2) tyrosine kinase in comparison to aminoquinazolines. Breast cancer activity towards MDA-MB-231 and MCF-7 cell lines by inhibiting EGFR was revealed by a novel 2-arylbenzimidazole. This motivated the synthesis of new thienopyrimidines possessing benzimidazole fragments in order to evaluate their cytotoxicity to the above-mentioned cell lines. OBJECTIVE The objectives of the study were to design and synthesize a novel series of thieno[2,3-d]pyrimidines bearing biologically active moieties, such as 1,3-disubstituted-benzimidazole heterocycle, structurally similar to diaryl ureas in order to evaluate their cytotoxicity against MDA-MB-231, and MCF-7 breast cancer cell lines. METHODS N,N-disubstituted benzimidazole-2-one carbonitriles were synthesized by Aza-Michael addition and used as precursors to generate some of the new thieno[2,3-d]pyrimidines in acidic medium The interaction of chloroethyl-2-thienopyrimidines, 2-amino-benzimidazole and benzimidazol-2-one nitriles under solid-liquid transfer catalysis conditions led to new thienopyrimidines. MTT assay for cell survival was performed in order to evaluate the cytotoxicity of the tested compounds. A fluorescence study was conducted to elucidate some aspects of the mechanism of action. RESULTS The effects of nine synthesized compounds were investigated towards MDA-MB-231, MCF-7 and 3T3 cell lines. Thieno[2,3-d]pyirimidine-4-one 16 (IC50 - 0.058μM) and 21 (IC50 - 0.029μM) possess high cytotoxicity against MDA-MB-231 cells after 24h. The most cytotoxic compounds against breast cancer MCF-7 cells was compound 21 (IC50 - 0.074μM), revealing lower cytotoxicity against mouse fibroblast 3T3 cells with IC50 - 0.20μM. SAR analysis was performed. Fluorescence study of the treatment of MDA-MB cells with compound 21 was carried out in order to clarify some aspects of the mechanism of action. CONCLUSION The relationship between cytotoxicity of compounds 14 and 20 against MCF-7 and 3T3 cells can suggest a similar mechanism of action. The antitumor potential of the tested compounds proves the necessity for further investigation to estimate the exact inhibition pathway in the cellular processes. The fluorescence study of the treatment of MDA-MB cells with compound 21 showed a rapid process of apoptosis.
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Affiliation(s)
- Stefan Dimov
- Department of Organic Synthesis, University of Chemical Technology and Metallurgy, 8 Kliment Ohridski Blvd., 1756 Sofia, Bulgaria
| | - Anelia Ts Mavrova
- Department of Organic Synthesis, University of Chemical Technology and Metallurgy, 8 Kliment Ohridski Blvd., 1756 Sofia, Bulgaria
| | - Denitsa Yancheva
- Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Build. 9, 1113 Sofia, Bulgaria
| | - Biliana Nikolova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Street, Build. 21, 1113 Sofia, Bulgaria
| | - Iana Tsoneva
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Street, Build. 21, 1113 Sofia, Bulgaria
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Inyang E, Abhyankar V, Chen B, Cho M. Modulation of in vitro Brain Endothelium by Mechanical Trauma: Structural and Functional Restoration by Poloxamer 188. Sci Rep 2020; 10:3054. [PMID: 32080247 DOI: 10.1038/s41598-020-59888-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Accepted: 01/31/2020] [Indexed: 11/24/2022] Open
Abstract
Brain injuries caused by an explosive blast or blunt force is typically presumed to associate with mechanical trauma to the brain tissue. Recent findings from our laboratory suggest that shockwaves produced by a blast can generate micron-sized bubbles in the tissue. The collapse of microbubbles (i.e., microcavitation) may induce a mechanical trauma and compromise the integrity of the blood-brain endothelium (BBE). To test our hypothesis, we engineered a BBE model to determine the effect of microbubbles on the structural and functional changes in the BBE. Using monolayers of mouse primary brain microvascular endothelial cells, the permeability coefficient was measured following simulated blast-induced microcavitation. This event down-regulated the expression of tight junction markers, disorganized the cell-cell junction, and increased permeability. Since poloxamers have been shown to rescue damaged cells, the cells were treated with the FDA-approved poloxamer 188 (P188). The results indicate P188 recovered the permeability, restored the tight junctions, and suppressed the expressions of matrix metalloproteinases. The biomimetic interface we developed appears to provide a systematic approach to replicate the structure and function of BBE, determine its alteration in response to traumatic brain injury, and test potential therapeutic treatments to repair the damaged brain endothelium.
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Shu H, Zhang Y, Zhang M, Wu J, Cui M, Liu K, Wang J. Addition of free poloxamer 407 to a new gene vector P407-PEI-K12 solution forms a sustained-release in situ hypergel that enhances cell transfection and extends gene expression. Oncol Lett 2019; 17:3085-96. [PMID: 30867738 DOI: 10.3892/ol.2019.9944] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Accepted: 11/29/2018] [Indexed: 11/07/2022] Open
Abstract
To address the concern around the efficiency/cytotoxicity ratio and the tumor-targeting effects of polyethylenimine (PEI), is a non-viral gene vector used for the delivery of the cancer therapy gene, poloxamer 407 (P407)-PEI-K12, was synthesized by cross-linking low-molecular weight PEI with P407 and further coupling a bifunctional peptide, K12, which is comprised of the tumor-targeting peptide tLyP-1 and the nuclear localization sequence. Furthermore, the addition of free P407 into the polymer/DNA complex solution produced a temperature-sensitive in situ gel-P407/P407-PEI-K12/DNA complex, which improved the effects of sustained-release gene delivery and transfection efficiency. The specificity, cytotoxicity and gene transfection efficiency of P407-PEI-K12 was investigated in Hela cells in vitro. The polymer efficiently prevented the degradation of plasmid DNA by DNase I and had a marked ability for serum tolerance. Agarose gel electrophoresis revealed that plasmid DNA was efficiently condensed and protected. The higher transfection efficiency of P407-PEI-K12h (the molar ratio of P407-PEI and K12 is 1:10) was achieved with a polymer and plasmid DNA ratio (w/w) of 20:1. The ability of free P407 to promote the transfection of the polymer/DNA complex was high (0.09%). The half-life of the P407/P407-PEI-K12-h/DNA gel complex was 228 min, and the transfection efficiency of the P407/P407-PEI-K12-h/DNA complex was markedly higher compared to that of the P407-PEI-K12-h/DNA complex at various release times.
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Marcos X, Padilla-Beltrán C, Bernad-Bernad MJ, Rosales-Hernández MC, Pérez-Casas S, Correa-Basurto J. Controlled release of N-(2-hydroxyphenyl)-2-propylpentanamide nanoencapsulated in polymeric micelles of P123 and F127 tested as anti-proliferative agents in MDA-MB-231 cells. J Drug Deliv Sci Technol 2018. [DOI: 10.1016/j.jddst.2018.10.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Spugnini EP, Fais S, Azzarito T, Baldi A. Novel Instruments for the Implementation of Electrochemotherapy Protocols: From Bench Side to Veterinary Clinic. J Cell Physiol 2016; 232:490-495. [PMID: 27464761 DOI: 10.1002/jcp.25505] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2016] [Accepted: 07/27/2016] [Indexed: 01/22/2023]
Abstract
Electrochemotherapy (ECT) is a medical strategy that allows an increased efficacy of chemotherapy agents after the application of permeabilizing electric pulses having appropriate characteristics (form, voltage, frequency). In the past 10 years, the clinical efficacy of this therapeutic approach in several spontaneous models of tumors in animals has been shown. Moreover, some of the molecular and cellular mechanisms responsible for this phenomenon have been elucidated. Our group has been deeply involved in the development of new ECT protocols for companion animals, implementing the use of the technique as first line treatment, and evaluating different chemotherapy agents in laboratory animals as well as pets. This article summarizes the most important advances in veterinary ECT, including the development of novel equipment, therapeutic protocols, and their translation to humans. J. Cell. Physiol. 232: 490-495, 2017. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
| | - Stefano Fais
- Department of Therapeutic Research and Medicines Evaluation, National Institute of Health, Rome, Italy
| | - Tommaso Azzarito
- Department of Therapeutic Research and Medicines Evaluation, National Institute of Health, Rome, Italy
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Bakalova R, Nikolova B, Murayama S, Atanasova S, Zhelev Z, Aoki I, Kato M, Tsoneva I, Saga T. Passive and electro-assisted delivery of hydrogel nanoparticles in solid tumors, visualized by optical and magnetic resonance imaging in vivo. Anal Bioanal Chem 2016; 408:905-14. [DOI: 10.1007/s00216-015-9182-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2015] [Revised: 11/02/2015] [Accepted: 11/09/2015] [Indexed: 10/22/2022]
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Kumar P, Srivastava R. IR 820 dye encapsulated in polycaprolactone glycol chitosan: Poloxamer blend nanoparticles for photo immunotherapy for breast cancer. Mater Sci Eng C Mater Biol Appl 2015; 57:321-7. [PMID: 26354271 DOI: 10.1016/j.msec.2015.08.006] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2015] [Revised: 07/20/2015] [Accepted: 08/04/2015] [Indexed: 11/17/2022]
Abstract
In the present study, we have fabricated biocompatible and biodegradable monodisperse IR 820 encapsulated polycaprolactone (PCL) glycol chitosan (GC): Poloxamer blend nanoparticles (PP-IR NPs) for imaging and effective photo-immunotherapy. IR 820 has been used as an imaging and photothermal agent whereas glycol chitosan (GC) as an immunostimulatory agent. The combination of IR 820, poloxamer, and GC can be used effectively for photoimmunotherapy for cancer, drug-resistant and TNF-α resistant estrogen positive breast cancer. PP-IR NPs are stable in aqueous solution. The uniform size of 100-220 nm with a high zeta value of +38 ± 2 mV led them to accumulate in cancer cells. Laser treatment did not affect the morphology of PP-IR NPs as observed under the transmission electron microscope (TEM). In vitro cytotoxicity studies on MCF-7 cells showed enhanced toxicity upon laser treatment. Further, we validated the cell death by reactive oxygen species (ROS) production. Our studies thus showed that PP-IR NPs are effective in suppressing metastatic cancer as the combinational therapy leads to the formation of apoptotic bodies in MCF-7 cells.
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Affiliation(s)
- Piyush Kumar
- Department of Biosciences and Bioengineering, Indian Institute of Technology-Bombay, Powai, Mumbai 400076, India
| | - Rohit Srivastava
- Department of Biosciences and Bioengineering, Indian Institute of Technology-Bombay, Powai, Mumbai 400076, India.
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Sengupta A, Dwivedi N, Kelly SC, Tucci L, Thadhani NN, Prausnitz MR. Poloxamer surfactant preserves cell viability during photoacoustic delivery of molecules into cells. Biotechnol Bioeng 2014; 112:405-15. [DOI: 10.1002/bit.25363] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2014] [Revised: 07/17/2014] [Accepted: 08/06/2014] [Indexed: 01/19/2023]
Affiliation(s)
- Aritra Sengupta
- School of Chemical and Biomolecular Engineering; Georgia Institute of Technology; Atlanta 30332 Georgia
| | - Nishant Dwivedi
- School of Chemical and Biomolecular Engineering; Georgia Institute of Technology; Atlanta 30332 Georgia
- School of Medicine; Boston University; Boston Massachusetts
| | - Sean C. Kelly
- School of Materials Science and Engineering; Georgia Institute of Technology; Atlanta Georgia
| | - Lara Tucci
- School of Chemical and Biomolecular Engineering; Georgia Institute of Technology; Atlanta 30332 Georgia
| | - Naresh N. Thadhani
- School of Materials Science and Engineering; Georgia Institute of Technology; Atlanta Georgia
| | - Mark R. Prausnitz
- School of Chemical and Biomolecular Engineering; Georgia Institute of Technology; Atlanta 30332 Georgia
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Alayoubi A, Alqahtani S, Kaddoumi A, Nazzal S. Effect of PEG surface conformation on anticancer activity and blood circulation of nanoemulsions loaded with tocotrienol-rich fraction of palm oil. AAPS J 2013; 15:1168-79. [PMID: 23990503 PMCID: PMC3787212 DOI: 10.1208/s12248-013-9525-z] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2013] [Accepted: 08/07/2013] [Indexed: 12/15/2022] Open
Abstract
Tocotrienol-rich fraction of palm oil, which contains the isomers of vitamin E, was shown to possess potent anticancer activity against mammary adenocarcinoma cell lines. Its clinical use, however, is limited by poor oral bioavailability and short half-life. Previously, we developed tocotrienol-rich lipid nanoemulsions for intravenous administration. The objective of this study was to investigate the effect of surface grafted polyethylene glycol (PEG) on the properties of the nanoemulsions. PEGylation was achieved by the addition of equimolar PEG groups using poloxamer or 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-[amino(polyethylene glycol)2000] (PEG2000-DSPE). The effect of PEG surface topography on the antiproliferative activity of nanoemulsions against mammary adenocarcinoma cells, their susceptibility to protein adsorption, and its effect on blood hemolysis and circulation time was investigated. Nanoemulsions PEGylated with poloxamer or PEG2000-DSPE were stable under physical stress. Poloxamer nanoemulsion, however, displayed higher uptake and potency against MCF-7 tumor cells in 2D and 3D culture and increased hemolytic effect and susceptibility to IgG adsorption, which was reflected in its rapid clearance and short circulation half-life (1.7 h). Conversely, PEGylation with PEG2000-DSPE led to a 7-fold increase in mean residence time (12.3 h) after IV injection in rats. Reduced activity in vitro and improved circulation time suggested strong shielding of plasma proteins from the droplets. Differences between the nanoemulsions were attributed to polymer imbibitions and the differences in PEG conformation and density on the surface of the droplets.
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Affiliation(s)
- Alaadin Alayoubi
- Department of Basic Pharmaceutical Sciences, College of Pharmacy, University of Louisiana at Monroe, 1800 Bienville Dr., Monroe, Louisiana 71201 USA
| | - Saeed Alqahtani
- Department of Basic Pharmaceutical Sciences, College of Pharmacy, University of Louisiana at Monroe, 1800 Bienville Dr., Monroe, Louisiana 71201 USA
| | - Amal Kaddoumi
- Department of Basic Pharmaceutical Sciences, College of Pharmacy, University of Louisiana at Monroe, 1800 Bienville Dr., Monroe, Louisiana 71201 USA
| | - Sami Nazzal
- Department of Basic Pharmaceutical Sciences, College of Pharmacy, University of Louisiana at Monroe, 1800 Bienville Dr., Monroe, Louisiana 71201 USA
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Nikolova B, Kostadinova A, Dimitrov B, Zhelev Z, Bakalova R, Aoki I, Saga T, Tsoneva I. Fluorescent imaging for assessment of the effect of combined application of electroporation and rifampicin on HaCaT cells as a new therapeutic approach for psoriasis. Sensors (Basel) 2013; 13:3625-34. [PMID: 23493125 PMCID: PMC3658765 DOI: 10.3390/s130303625] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/11/2013] [Revised: 02/13/2013] [Accepted: 03/06/2013] [Indexed: 11/26/2022]
Abstract
The study aimed to clarify the role of electric pulses in combination with chemotherapy on the viability of keratinocyte cell line HaCaT, in the context of its application as a new therapeutic approach for psoriasis. The data show that electroporation of HaCaT cells in combination with rifampicin induces cytoskeleton disruption and increases permeability of cell monolayer due to cell-cell junctions' interruption, visualized by fluorescent imaging of E-cadherin and actin integrity. This was accompanied with synergistic reduction of cell viability. The study proposes a new opportunity for more effective skin treatment than chemotherapy. The future application of this electrochemotherapeutic approach for combined local treatment of psoriasis may have serous benefits because of a high possibility to avoid side-effects of conventional chemotherapy.
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Affiliation(s)
- Biliana Nikolova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad.G. Bonchev Str., bl. 21, Sofia 1113, Bulgaria; E-Mails: (B.N.); (A.K.); (B.D.); (Z.Z.); (I.T.)
| | - Anelia Kostadinova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad.G. Bonchev Str., bl. 21, Sofia 1113, Bulgaria; E-Mails: (B.N.); (A.K.); (B.D.); (Z.Z.); (I.T.)
| | - Borislav Dimitrov
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad.G. Bonchev Str., bl. 21, Sofia 1113, Bulgaria; E-Mails: (B.N.); (A.K.); (B.D.); (Z.Z.); (I.T.)
| | - Zhivko Zhelev
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad.G. Bonchev Str., bl. 21, Sofia 1113, Bulgaria; E-Mails: (B.N.); (A.K.); (B.D.); (Z.Z.); (I.T.)
- Medical Faculty, Trakia University, 11 Armeiska Str., Stara Zagora 6000, Bulgaria
| | - Rumiana Bakalova
- Molecular Imaging Center, National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan; E-Mails: (I.A.); (T.S.)
- Medical Faculty, Sofia University, 1 Koziak Str., Sofia 1407, Bulgaria
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +81-42-206-3274; Fax: +81-42-206-9470
| | - Ichio Aoki
- Molecular Imaging Center, National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan; E-Mails: (I.A.); (T.S.)
| | - Tsuneo Saga
- Molecular Imaging Center, National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan; E-Mails: (I.A.); (T.S.)
| | - Iana Tsoneva
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad.G. Bonchev Str., bl. 21, Sofia 1113, Bulgaria; E-Mails: (B.N.); (A.K.); (B.D.); (Z.Z.); (I.T.)
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Ahmed M, Moussa M, Goldberg SN. Synergy in cancer treatment between liposomal chemotherapeutics and thermal ablation. Chem Phys Lipids 2011; 165:424-37. [PMID: 22197685 DOI: 10.1016/j.chemphyslip.2011.12.002] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2011] [Revised: 12/05/2011] [Accepted: 12/06/2011] [Indexed: 01/03/2023]
Abstract
Minimally invasive image-guided tumor ablation using short duration heating via needle-like applicators using energies such as radiofrequency or microwave has seen increasing clinical use to treat focal liver, renal, breast, bone, and lung tumors. Potential benefits of this thermal therapy include reduced morbidity and mortality compared to standard surgical resection and ability to treat non-surgical patients. However, improvements to this technique are required as achieving complete ablation in many cases can be challenging particularly at margins of tumors>3 cm in diameter and adjacent to blood vessels. Thus, one very promising strategy has been to combine thermal tumor ablation with adjuvant nanoparticle-based chemotherapy agents to improve efficiency. Here, we will primarily review principles of thermal ablation to provide a framework for understanding the mechanisms of combination therapy, and review the studies on combination therapy, including presenting preliminary data on the role of such variables as nanoparticle size and thermal dose on improving combination therapy outcome. We will discuss how thermal ablation can also be used to improve overall intratumoral drug accumulation and nanoparticle content release. Finally, in this article we will further describe the appealing off-shoot approach of utilizing thermal ablation techniques not as the primary treatment, but rather, as a means to improve efficiency of intratumoral nanoparticle drug delivery.
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Affiliation(s)
- Muneeb Ahmed
- Minimally Invasive Tumor Therapy Laboratory, Section of Interventional Radiology, Department of Radiology, Beth Israel Deaconess Medical Center/Harvard Medical School, 330 Brookline Ave, Boston, MA 02215, USA.
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