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Fresacher-Scheiber K, Ruseska I, Siboni H, Reiser M, Falsone F, Grill L, Zimmer A. Modified Stability of microRNA-Loaded Nanoparticles. Pharmaceutics 2022; 14:pharmaceutics14091829. [PMID: 36145577 PMCID: PMC9504241 DOI: 10.3390/pharmaceutics14091829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 08/23/2022] [Accepted: 08/25/2022] [Indexed: 11/19/2022] Open
Abstract
microRNAs represent promising drugs to treat and prevent several diseases, such as diabetes mellitus. microRNA delivery brings many obstacles to overcome, and one strategy to bypass them is the manufacturing of self-assembled microRNA protein nanoparticles. In this work, a microRNA was combined with the cell-penetrating peptide protamine, forming so-called proticles. Previous studies demonstrated a lack of microRNA dissociation from proticles. Therefore, the goal of this study was to show the success of functionalizing binary proticles with citric acid in order to reduce the binding strength between the microRNA and protamine and further enable sufficient dissociation. Thus, we outline the importance of the present protons provided by the acid in influencing colloidal stability, achieving a constant particle size, and monodispersing the particle size distribution. The use of citric acid also provoked an increase in drug loading. Against all expectations, the AFM investigations demonstrated that our nanoparticles were loose complexes mainly consisting of water, and the addition of citric acid led to a change in shape. Moreover, a successful reduction in binding affinity and nanoparticulate stability are highlighted. Low cellular toxicity and a constant cellular uptake are demonstrated, and as uptake routes, active and passive pathways are discussed.
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Affiliation(s)
- Katja Fresacher-Scheiber
- Institute of Pharmaceutical Sciences, Department of Pharmaceutical Technology and Biopharmacy, University of Graz, Universitätsplatz 1, 8010 Graz, Austria
| | - Ivana Ruseska
- Institute of Pharmaceutical Sciences, Department of Pharmaceutical Technology and Biopharmacy, University of Graz, Universitätsplatz 1, 8010 Graz, Austria
| | - Henrik Siboni
- Institute of Pharmaceutical Sciences, Department of Pharmaceutical Technology and Biopharmacy, University of Graz, Universitätsplatz 1, 8010 Graz, Austria
- Institute of Chemistry, Department of Physical Chemistry, University of Graz, Heinrichstraße 28, 8010 Graz, Austria
| | - Martin Reiser
- Institute of Pharmaceutical Sciences, Department of Pharmaceutical Technology and Biopharmacy, University of Graz, Universitätsplatz 1, 8010 Graz, Austria
| | - Fabio Falsone
- Institute of Pharmaceutical Sciences, Department of Pharmaceutical Technology and Biopharmacy, University of Graz, Universitätsplatz 1, 8010 Graz, Austria
| | - Leonhard Grill
- Institute of Chemistry, Department of Physical Chemistry, University of Graz, Heinrichstraße 28, 8010 Graz, Austria
| | - Andreas Zimmer
- Institute of Pharmaceutical Sciences, Department of Pharmaceutical Technology and Biopharmacy, University of Graz, Universitätsplatz 1, 8010 Graz, Austria
- Correspondence: ; Tel.: +43-316-380-8881
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Ruseska I, Fresacher K, Petschacher C, Zimmer A. Use of Protamine in Nanopharmaceuticals-A Review. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:1508. [PMID: 34200384 PMCID: PMC8230241 DOI: 10.3390/nano11061508] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 05/27/2021] [Accepted: 05/27/2021] [Indexed: 12/18/2022]
Abstract
Macromolecular biomolecules are currently dethroning classical small molecule therapeutics because of their improved targeting and delivery properties. Protamine-a small polycationic peptide-represents a promising candidate. In nature, it binds and protects DNA against degradation during spermatogenesis due to electrostatic interactions between the negatively charged DNA-phosphate backbone and the positively charged protamine. Researchers are mimicking this technique to develop innovative nanopharmaceutical drug delivery systems, incorporating protamine as a carrier for biologically active components such as DNA or RNA. The first part of this review highlights ongoing investigations in the field of protamine-associated nanotechnology, discussing the self-assembling manufacturing process and nanoparticle engineering. Immune-modulating properties of protamine are those that lead to the second key part, which is protamine in novel vaccine technologies. Protamine-based RNA delivery systems in vaccines (some belong to the new class of mRNA-vaccines) against infectious disease and their use in cancer treatment are reviewed, and we provide an update on the current state of latest developments with protamine as pharmaceutical excipient for vaccines.
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Affiliation(s)
| | | | | | - Andreas Zimmer
- Department of Pharmaceutical Technology and Biopharmacy, Institute of Pharmaceutical Sciences, Karl-Franzens-University Graz, Universitätsplatz 1, 8010 Graz, Austria; (I.R.); (K.F.); (C.P.)
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Qi L, Pan T, Ou L, Ye Z, Yu C, Bao B, Wu Z, Cao D, Dai L. Biocompatible nucleus-targeted graphene quantum dots for selective killing of cancer cells via DNA damage. Commun Biol 2021; 4:214. [PMID: 33594275 PMCID: PMC7886873 DOI: 10.1038/s42003-021-01713-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 11/12/2020] [Indexed: 02/04/2023] Open
Abstract
Graphene quantum dots (GQDs) are nano-sized graphene slices. With their small size, lamellar and aromatic-ring structure, GQDs tend to enter into the cell nucleus and interfere with DNA activity. Thus, GQD alone is expected to be an anticancer reagent. Herein, we developed GQDs that suppress the growth of tumor by selectively damaging the DNA of cancer cells. The amine-functionalized GQDs were modified with nucleus targeting TAT peptides (TAT-NGs) and further grafted with cancer-cell-targeting folic acid (FA) modified PEG via disulfide linkage (FAPEG-TNGs). The resulting FAPEG-TNGs exhibited good biocompatibility, nucleus uptake, and cancer cell targeting. They adsorb on DNA via the π-π and electrostatic interactions, which induce the DNA damage, the upregulation of the cell apoptosis related proteins, and the suppression of cancer cell growth, ultimately. This work presents a rational design of GQDs that induce the DNA damage to realize high therapeutic performance, leading to a distinct chemotherapy strategy for targeted tumor therapy.
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Affiliation(s)
- Lei Qi
- State key Laboratory of Ophthalmology, Optometry and Visual Science, Institute of Advanced Materials for Nano-Bio Applications, School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, 270 Xueyuanxi Road, Wenzhou, 325027, China.
| | - Tonghe Pan
- State key Laboratory of Ophthalmology, Optometry and Visual Science, Institute of Advanced Materials for Nano-Bio Applications, School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, 270 Xueyuanxi Road, Wenzhou, 325027, China
| | - Liling Ou
- State key Laboratory of Ophthalmology, Optometry and Visual Science, Institute of Advanced Materials for Nano-Bio Applications, School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, 270 Xueyuanxi Road, Wenzhou, 325027, China
| | - Zhiqiang Ye
- State key Laboratory of Ophthalmology, Optometry and Visual Science, Institute of Advanced Materials for Nano-Bio Applications, School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, 270 Xueyuanxi Road, Wenzhou, 325027, China
| | - Chunlei Yu
- State key Laboratory of Ophthalmology, Optometry and Visual Science, Institute of Advanced Materials for Nano-Bio Applications, School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, 270 Xueyuanxi Road, Wenzhou, 325027, China
| | - Bijun Bao
- State key Laboratory of Ophthalmology, Optometry and Visual Science, Institute of Advanced Materials for Nano-Bio Applications, School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, 270 Xueyuanxi Road, Wenzhou, 325027, China
| | - Zixia Wu
- State key Laboratory of Ophthalmology, Optometry and Visual Science, Institute of Advanced Materials for Nano-Bio Applications, School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, 270 Xueyuanxi Road, Wenzhou, 325027, China
| | - Dayong Cao
- Department of General Surgery, The First Hospital of Qiqihar, Affiliated Qiqihar Hospital, Southern Medical University, Qiqihar, 161005, China.
| | - Liming Dai
- Australian Carbon Materials Centre (A-CMC), School of Chemical Engineering, University of New South Wales, Sydney, NSW, 2052, Australia.
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Zhou J, Guo B, Zhu W, Sui X, Ma X, Qian J, Cao L, Han C. Novel biomimetic nanostructured lipid carriers for cancer therapy: preparation, characterization, and in vitro/ in vivo evaluation. Pharm Dev Technol 2020; 26:81-91. [PMID: 33070668 DOI: 10.1080/10837450.2020.1835957] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Nanostructured lipid carriers (NLC) have become a research hotspot, wherein cancer-targeting effects are enhanced and side effects of chemotherapy are overcome. Usually, accelerated blood clearance (ABC) occurs after repeated injections, without changing the immunologic profile, despite PEGylation which prolongs the circulation function. To overcome these problems, we designed a red blood cell-membrane-coated NLC (RBCm-NLC), which was round-like, with a particle size of 60.33 ± 3.04 nm and a core-shell structure. Its stability was good, the drug paclitaxel (PTX) release from RBCm-PTX-NLC was less than 30% at pH7.4 and pH6.5, and the integrity of RBC membrane surface protein was maintained before and after preparation. Additionally, in vitro assays showed that, with the RBCm coating, the cellular uptake of the NLC by cancer cells was significantly enhanced. RBCm-NLC can avoid recognition by macrophage cells and prolong circulation time in vivo. In S180 tumor-bearing mice, the DiR-labeled RBCm-NLC group showed a stronger fluorescence signal and longer retention in tumor tissues, indicating a prompt tumor-targeting effect and extended blood circulation. Importantly, RBCm-PTX-NLC enhanced the antitumor effect and extended the survival period significantly in vivo. In summary, biomimetic NLC offered a novel strategy for drug delivery in cancer therapy.
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Affiliation(s)
- Jianwen Zhou
- Institute of Medicine and Drug Research, Qiqihar Medical University, Qiqihar, China
| | - Biru Guo
- Institute of Medicine, Heilongjiang Zbd Pharmaceutical Co., Ltd, Harbin, China
| | - Wenquan Zhu
- School of Pharmacy, Qiqihar Medical University, Qiqihar, China
| | - Xiaoyu Sui
- School of Pharmacy, Qiqihar Medical University, Qiqihar, China
| | - Xiaoxing Ma
- School of Pharmacy, Qiqihar Medical University, Qiqihar, China
| | - Jiayi Qian
- School of Pharmacy, Qiqihar Medical University, Qiqihar, China
| | - Lixin Cao
- Department of Orthopedics, the First Affiliated Hospital of Qiqihar Medical University, Qiqihar, China
| | - Cuiyan Han
- School of Pharmacy, Qiqihar Medical University, Qiqihar, China
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Chen Q, Chen Y, Zhang W, Huang Q, Hu M, Peng D, Peng C, Wang L, Chen W. Acidity and Glutathione Dual-Responsive Polydopamine-Coated Organic-Inorganic Hybrid Hollow Mesoporous Silica Nanoparticles for Controlled Drug Delivery. ChemMedChem 2020; 15:1940-1946. [PMID: 32762008 DOI: 10.1002/cmdc.202000263] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 06/11/2020] [Indexed: 12/12/2022]
Abstract
Controversial biodegradability and nonspecific pre-drug leakage are major limitations for inorganic nanoparticles in cancer treatment. To solve these problems, we developed organic-inorganic hybridized hollow mesoporous silica nanoparticles with polydopamine modifications on the surface to simultaneously achieve enhanced biodegradability and controllable drug release. The morphology and chemical structure of the nanoparticles were characterized by TEM, N2 adsorption-desorption isotherms, TEM-mapping and XPS. Moreover, the release behavior of nanoparticles under various pH conditions and the degradation behavior in the presence of GSH were evaluated. With effective controlled release, HMONs-PTX@PDA were shown to significantly inhibit cancer cell proliferation and achieve antitumor effects in vivo through dual-response release in the tumor microenvironment. Overall, this nanoplatform has significant potential to achieve tumor microenvironment-responsive degradation and release to enhance tumor accumulation, which is very promising for cancer treatment.
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Affiliation(s)
- Qi Chen
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, China.,Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, Anhui, 230012, China
| | - Yunna Chen
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, China.,Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, Anhui, 230012, China.,Institute of Pharmaceutics, Anhui Academy of Chinese Medicine, Hefei, Anhui, 230012, China
| | - Wenjing Zhang
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, China.,Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, Anhui, 230012, China.,Institute of Pharmaceutics, Anhui Academy of Chinese Medicine, Hefei, Anhui, 230012, China
| | - Qianqian Huang
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, China.,Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, Anhui, 230012, China.,Institute of Pharmaceutics, Anhui Academy of Chinese Medicine, Hefei, Anhui, 230012, China
| | - Mengru Hu
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, China.,Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, Anhui, 230012, China.,Institute of Pharmaceutics, Anhui Academy of Chinese Medicine, Hefei, Anhui, 230012, China
| | - Daiyin Peng
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, China.,Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, Anhui, 230012, China
| | - Can Peng
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, China.,Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, Anhui, 230012, China.,Institute of Pharmaceutics, Anhui Academy of Chinese Medicine, Hefei, Anhui, 230012, China.,Engineering Technology Research Center of Modernized Pharmaceutics, Education Office of Anhui Province, Hefei, Anhui, 230012, China
| | - Lei Wang
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, China.,Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, Anhui, 230012, China.,Institute of Pharmaceutics, Anhui Academy of Chinese Medicine, Hefei, Anhui, 230012, China.,Engineering Technology Research Center of Modernized Pharmaceutics, Education Office of Anhui Province, Hefei, Anhui, 230012, China
| | - Weidong Chen
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, China.,Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, Anhui, 230012, China.,Institute of Pharmaceutics, Anhui Academy of Chinese Medicine, Hefei, Anhui, 230012, China.,Engineering Technology Research Center of Modernized Pharmaceutics, Education Office of Anhui Province, Hefei, Anhui, 230012, China
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Zhang Z, Zhang Y, Song S, Yin L, Sun D, Gu J. Recent advances in the bioanalytical methods of polyethylene glycols and PEGylated pharmaceuticals. J Sep Sci 2020; 43:1978-1997. [DOI: 10.1002/jssc.201901340] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Revised: 02/15/2020] [Accepted: 02/16/2020] [Indexed: 12/23/2022]
Affiliation(s)
- Zhi Zhang
- Research Center for Drug Metabolism, College of Life ScienceJilin University Changchun P. R. China
- Beijing Institute of Drug Metabolism Beijing P. R. China
| | - Yuyao Zhang
- Research Center for Drug Metabolism, College of Life ScienceJilin University Changchun P. R. China
- Beijing Institute of Drug Metabolism Beijing P. R. China
| | - Shiwen Song
- Research Center for Drug Metabolism, College of Life ScienceJilin University Changchun P. R. China
- Beijing Institute of Drug Metabolism Beijing P. R. China
| | - Lei Yin
- Research Center for Drug Metabolism, College of Life ScienceJilin University Changchun P. R. China
- Research Institute of Translational MedicineThe First Bethune Hospital of Jilin University Changchun P. R. China
| | - Dong Sun
- Department of Biopharmacy, College of Life ScienceJilin University Changchun P. R. China
- Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education”Yantai University Yantai P. R. China
| | - Jingkai Gu
- Research Center for Drug Metabolism, College of Life ScienceJilin University Changchun P. R. China
- Beijing Institute of Drug Metabolism Beijing P. R. China
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Csóka I, Regdon G, Sovány T, Dreu R. Selected papers of the “12th central European symposium on pharmaceutical technology and regulatory affairs”. Eur J Pharm Sci 2020; 145:105238. [DOI: 10.1016/j.ejps.2020.105238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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