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Garofalo M, Bellato F, Magliocca S, Malfanti A, Kuryk L, Rinner B, Negro S, Salmaso S, Caliceti P, Mastrotto F. Polymer Coated Oncolytic Adenovirus to Selectively Target Hepatocellular Carcinoma Cells. Pharmaceutics 2021; 13:pharmaceutics13070949. [PMID: 34202714 PMCID: PMC8309094 DOI: 10.3390/pharmaceutics13070949] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 06/08/2021] [Accepted: 06/18/2021] [Indexed: 01/15/2023] Open
Abstract
Despite significant advances in chemotherapy, the overall prognosis of hepatocellular carcinoma (HCC) remains extremely poor. HCC targeting strategies were combined with the tumor cell cytotoxicity of oncolytic viruses (OVs) to develop a more efficient and selective therapeutic system. OVs were coated with a polygalactosyl-b-agmatyl diblock copolymer (Gal32-b-Agm29), with high affinity for the asialoglycoprotein receptor (ASGPR) expressed on the liver cell surface, exploiting the electrostatic interaction of the positively charged agmatine block with the negatively charged adenoviral capsid surface. The polymer coating altered the viral particle diameter (from 192 to 287 nm) and zeta-potential (from -24.7 to 23.3 mV) while hiding the peculiar icosahedral symmetrical OV structure, as observed by TEM. Coated OVs showed high potential therapeutic value on the human hepatoma cell line HepG2 (cytotoxicity of 72.4% ± 4.96), expressing a high level of ASGPRs, while a lower effect was attained with ASPGR-negative A549 cell line (cytotoxicity of 54.4% ± 1.59). Conversely, naked OVs showed very similar effects in both tested cell lines. Gal32-b-Agm29 OV coating enhanced the infectivity and immunogenic cell death program in HepG2 cells as compared to the naked OV. This strategy provides a rationale for future studies utilizing oncolytic viruses complexed with polymers toward effective treatment of hepatocellular carcinoma.
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Affiliation(s)
- Mariangela Garofalo
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Via F. Marzolo 5, 35131 Padova, Italy; (F.B.); (S.M.); (S.S.); (P.C.)
- Correspondence: (M.G.); (F.M.); Tel.: +39-04-9827-5710 (M.G.); +39-04-9827-5708 (F.M.)
| | - Federica Bellato
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Via F. Marzolo 5, 35131 Padova, Italy; (F.B.); (S.M.); (S.S.); (P.C.)
| | - Salvatore Magliocca
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Via F. Marzolo 5, 35131 Padova, Italy; (F.B.); (S.M.); (S.S.); (P.C.)
| | - Alessio Malfanti
- Université Catholique de Louvain, Louvain Drug Research Institute, Advanced Drug Delivery and Biomaterials, Avenue Mounier, 73 bte B1 73.12, 1200 Brussels, Belgium;
| | - Lukasz Kuryk
- Department of Virology, National Institute of Public Health—National Institute of Hygiene, Chocimska 24, 00-791 Warsaw, Poland;
- Clinical Science, Targovax Oy, Saukonpaadenranta 2, 00180 Helsinki, Finland
| | - Beate Rinner
- Division of Biomedical Research, Medical University of Graz, Roseggerweg 48, 8036 Graz, Austria;
| | - Samuele Negro
- Department of Biomedical Sciences, University of Padova, Via Ugo Bassi 58/B, 35131 Padova, Italy;
| | - Stefano Salmaso
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Via F. Marzolo 5, 35131 Padova, Italy; (F.B.); (S.M.); (S.S.); (P.C.)
| | - Paolo Caliceti
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Via F. Marzolo 5, 35131 Padova, Italy; (F.B.); (S.M.); (S.S.); (P.C.)
| | - Francesca Mastrotto
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Via F. Marzolo 5, 35131 Padova, Italy; (F.B.); (S.M.); (S.S.); (P.C.)
- Correspondence: (M.G.); (F.M.); Tel.: +39-04-9827-5710 (M.G.); +39-04-9827-5708 (F.M.)
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Qu Y, Wang W, Chen T, Yang Y, Zhang Y, Wang D. The neuroprotection of deproteinized calf blood extractives injection against Alzheimer's disease via regulation of Nrf-2 signaling. Aging (Albany NY) 2021; 13:11150-11169. [PMID: 33819182 PMCID: PMC8109110 DOI: 10.18632/aging.202776] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Accepted: 02/12/2021] [Indexed: 12/29/2022]
Abstract
Alzheimer’s disease (AD) is characterized by cognitive decline due to the accumulation of extracellular β-amyloid (Aβ) plaques and neurofibrillary tangles in the brain, which impair glutamate (Glu) metabolism. Deproteinized Calf Blood Extractive Injection (DCBEI) is a biopharmaceutical that contains 17 types of amino acids and 5 types of nucleotides. In this study, we found that DCBEI pretreatment reduced L-Glu-dependent neuroexcitation toxicity by maintaining normal mitochondrial function in HT22 cells. DCBEI treatment also reduced the expression of pro-apoptosis proteins and increased the expression of anti-apoptosis proteins. Furthermore, DCBEI attenuated AD-like behaviors (detected via the Morris water maze test) in B6C3-Tg (APPswePSEN1dE9)/Nju double transgenic (APP/PS1) mice; this effect was associated with a reduction in the amount of Aβ and neurofibrillary tangle deposition and the concomitant reduction of phospho-Tau in the hippocampus. Metabonomic profiling revealed that DCBEI regulated the level of neurotransmitters in the hippocampus of APP/PS1 mice. Label-free proteomics revealed that DCBEI regulated the expression of Nrf-2 and its downstream targets, as well as the levels of phospho-protein kinase B and mitogen-activated protein kinase. Together, these data show that DCBEI can ameliorate AD symptoms by upregulating Nrf2-mediated antioxidative pathways and thus preventing mitochondrial apoptosis.
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Affiliation(s)
- Yidi Qu
- School of Life Sciences, Jilin University, Changchun 130012, China
| | - Wenqi Wang
- School of Life Sciences, Jilin University, Changchun 130012, China
| | - Tianrui Chen
- Department of Bone Tumor Surgery, Changzheng Hospital, Second Military Medical University, Shanghai 200003, China
| | - Yumin Yang
- School of Life Sciences, Jilin University, Changchun 130012, China
| | - Yizhi Zhang
- Department of Neurology, The Second Hospital of Jilin University, Jilin University, Changchun 130041, China
| | - Di Wang
- School of Life Sciences, Jilin University, Changchun 130012, China
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Lu M, Xing H, Cheng L, Liu H, Lang L, Yang T, Zhao X, Xu H, Ding P. A dual-functional buformin-mimicking poly(amido amine) for efficient and safe gene delivery. J Drug Target 2020; 28:923-932. [PMID: 32312081 DOI: 10.1080/1061186x.2020.1729770] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Biguanides (i.e. metformin, phenformin and buformin) are antidiabetic drugs with potential antitumor effects. Herein, a polycationic polymer, N,N'-bis(cystamine)acrylamide-buformin (CBA-Bu), containing multiple biodegradable disulphide bonds and buformin-mimicking side chains was synthesised. CBA-Bu was equipped with high efficiency and safety profile for gene delivery, meanwhile exhibiting potential antitumor efficacy. As a gene vector, CBA-Bu was able to condense plasmid DNA (pDNA) into nano-sized (<200 nm), positively-charged (>30 mV) uniform polyplexes that were well resistant to heparin and DNase I. Due to the reduction responsiveness of the disulphide bonds, CBA-Bu/pDNA polyplexes could release the loaded pDNA in the presence of dithiothreitol, and induce extremely low cytotoxicity in NIH/3T3 and U87 MG cells. The transfection results showed that CBA-Bu had a cellular uptake efficiency comparable to 25 kDa PEI, while a significantly higher gene expression level. Additionally, CBA-Bu had a lower IC50 value than its non-biguanide counterpart in two cancer cell lines. Furthermore, CBA-Bu could activate AMPK and inhibit mTOR pathways in U87 MG cells, a mechanism involved in the antitumor effect of biguanides. Taken together, CBA-Bu represented an advanced gene vector combining desirable gene delivery capability with potential antitumor activity, which was promising to achieve enhanced therapeutic efficacy in antitumor gene therapy.
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Affiliation(s)
- Mei Lu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Haonan Xing
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Lin Cheng
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Hui Liu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Lang Lang
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Tianzhi Yang
- Department of Basic Pharmaceutical Sciences, School of Pharmacy, Husson University, Bangor, Maine, USA
| | - Xiaoyun Zhao
- School of life Science and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang, China
| | - Hui Xu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Pingtian Ding
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
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Balijepalli AS, Hamoud A, Grinstaff MW. Cationic poly-amido-saccharides: stereochemically-defined, enantiopure polymers from anionic ring-opening polymerization of an amino-sugar monomer. Polym Chem 2020. [DOI: 10.1039/c9py01691k] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
We expand the scope of the PAS methodology and evaluate multiple synthetic routes to generate a regioselectively-functionalized 6-amino carbohydrate polymer sharing key properties with natural polysaccharides, including high water-solubility.
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Affiliation(s)
| | | | - Mark W. Grinstaff
- Department of Biomedical Engineering
- Boston University
- Boston
- USA
- Department of Chemistry
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Eghbali H, Hagen H, Van Engelen M, Meertens W, Schweizer-Theobaldt A, Meunier D. Molecular weight distribution characterization of reactive higher ethyleneamines using size-exclusion chromatography with conventional calibration. J Chromatogr A 2019; 1603:141-149. [PMID: 31277951 DOI: 10.1016/j.chroma.2019.06.029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Revised: 06/10/2019] [Accepted: 06/11/2019] [Indexed: 10/26/2022]
Abstract
Ethyleneamines have been produced and commercialized for decades in the chemical industry for a diverse range of applications. The presence of amine functional groups provides them opportunity to adsorb onto surfaces which can make them a very challenging sample matrix to analyze using separation techniques. In the present report, a new aqueous SEC-RI method, which enables MWD characterization of higher ethyleneamines, is described. The sample preparation was based on the dilute-and-shoot methodology. A surface-modified SEC column with positively charged groups attached to the stationary phase was used. The mobile phase composition (salt concentration, pH) was optimized to suppress interaction between the ethyleneamines and the packing material. Very symmetrical peak shapes were achieved for low MW monodisperse ethyleneamines despite their high primary amine content. MWD calculations were conducted using conventional narrow standard calibration with partial linear extrapolation of the calibration curve. The narrow standards were of the same chemistry as the samples of interest. Consequently, the standard components display a consistent behaviour towards the column packing as the sample components which makes the present method more robust and the interpretation of the quantitative results more convenient. Effect on the measured MW averages and MW distribution due to various experimental parameters (e.g., system variability, mobile phase preparation, sample concentration) were investigated showing good repeatability (RSD < 2%) for Mn, Mw, and Mz.
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Affiliation(s)
- Hamed Eghbali
- Dow Benelux B. V., Core R&D Analytical Science, Terneuzen, 4530 AA, the Netherlands.
| | - Henk Hagen
- Dow Benelux B. V., Packaging and Specialty Plastics R&D, Terneuzen, 4530 AA, the Netherlands
| | - Marcel Van Engelen
- Dow Benelux B. V., Core R&D Analytical Science, Terneuzen, 4530 AA, the Netherlands
| | - Willy Meertens
- Dow Benelux B. V., Core R&D Analytical Science, Terneuzen, 4530 AA, the Netherlands
| | | | - David Meunier
- The Dow Chemical Company, Core R&D Analytical Science, Midland, MI, 48674, USA
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Xing H, Cheng L, Lu M, Liu H, Lang L, Yang T, Zhao X, Xu H, Yang L, Ding P. A biodegradable poly(amido amine) based on the antimicrobial polymer polyhexamethylene biguanide for efficient and safe gene delivery. Colloids Surf B Biointerfaces 2019; 182:110355. [DOI: 10.1016/j.colsurfb.2019.110355] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 07/05/2019] [Accepted: 07/07/2019] [Indexed: 01/16/2023]
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Malfanti A, Mastrotto F, Han Y, Král P, Balasso A, Scomparin A, Pozzi S, Satchi-Fainaro R, Salmaso S, Caliceti P. Novel Oligo-Guanidyl-PEG Carrier Forming Rod-Shaped Polyplexes. Mol Pharm 2019; 16:1678-1693. [PMID: 30860853 DOI: 10.1021/acs.molpharmaceut.9b00014] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
A novel unconventional supramolecular oligo-cationic structure (Agm6-M-PEG-OCH3) has been synthesized to yield high efficiency therapeutic oligonucleotide (ON) delivery. Agm6-M-PEG-OCH3 was obtained by a multistep protocol that included the conjugation of agmatine (Agm) moieties to maltotriose (M), which was further derivatized with one poly(ethylene glycol) (PEG) chain. Gel electrophoresis analysis showed that the 19 base pairs dsDNA model ON completely associates with Agm6-M-PEG-OCH3 at 3 N/P molar ratio, which is in agreement with the in silico molecular predictions. Isothermal titration calorimetry (ITC) analyses showed that the Agm6-M-PEG-OCH3/ON association occurs through a combination of mechanisms depending on the N/P ratios resulting in different nanostructures. Dynamic light scattering (DLS) and transmission electron microscopy (TEM) revealed that the Agm6-M-PEG-OCH3/ON polyplexes have rod-shape structure with a mean diameter of 50-75 nm and aspect ratio depending on the N/P ratio. The polyplexes were stable over time in buffer, while a slight size increase was observed in the presence of serum proteins. Cell culture studies showed that neither Agm6-M-PEG-OCH3 nor polyplexes displayed cytotoxic effects. Cellular uptake depended on the cell line and polyplex composition: cellular internalization was higher in the case of MCF-7 and KB cells compared to MC3T3-E1 cells and polyplexes with smaller aspect ratio were taken-up by cells more efficiently than polyplexes with higher aspect ratio. Finally, preliminary studies showed that our novel carrier efficiently delivered ONs into cells providing gene silencing.
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Affiliation(s)
- Alessio Malfanti
- Department of Pharmaceutical and Pharmacological Sciences , University of Padova , Via F. Marzolo 5 35131 Padova , Italy
| | - Francesca Mastrotto
- Department of Pharmaceutical and Pharmacological Sciences , University of Padova , Via F. Marzolo 5 35131 Padova , Italy
| | - Yanxiao Han
- Department of Chemistry and Department of Physics , University of Illinois at Chicago , Chicago , Illinois 60607 , United States
| | - Petr Král
- Department of Chemistry and Department of Physics , University of Illinois at Chicago , Chicago , Illinois 60607 , United States.,Department of Biopharmaceutical Sciences , University of Illinois at Chicago , Chicago , Illinois 60612 , United States
| | - Anna Balasso
- Department of Pharmaceutical and Pharmacological Sciences , University of Padova , Via F. Marzolo 5 35131 Padova , Italy
| | - Anna Scomparin
- Department of Physiology and Pharmacology, Sackler School of Medicine , Tel Aviv University 69978 Tel Aviv , Israel.,Department of Drug Science and Technology , University of Turin , Via P. Giuria 9 , 10125 Turin , Italy
| | - Sabina Pozzi
- Department of Physiology and Pharmacology, Sackler School of Medicine , Tel Aviv University 69978 Tel Aviv , Israel
| | - Ronit Satchi-Fainaro
- Department of Physiology and Pharmacology, Sackler School of Medicine , Tel Aviv University 69978 Tel Aviv , Israel
| | - Stefano Salmaso
- Department of Pharmaceutical and Pharmacological Sciences , University of Padova , Via F. Marzolo 5 35131 Padova , Italy
| | - Paolo Caliceti
- Department of Pharmaceutical and Pharmacological Sciences , University of Padova , Via F. Marzolo 5 35131 Padova , Italy
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Xing H, Lu M, Yang T, Liu H, Sun Y, Zhao X, Xu H, Yang L, Ding P. Structure-function relationships of nonviral gene vectors: Lessons from antimicrobial polymers. Acta Biomater 2019; 86:15-40. [PMID: 30590184 DOI: 10.1016/j.actbio.2018.12.041] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2018] [Revised: 11/22/2018] [Accepted: 12/21/2018] [Indexed: 01/13/2023]
Abstract
In recent years, substantial advances have been achieved in the design and synthesis of nonviral gene vectors. However, lack of effective and biocompatible vectors still remains a major challenge that hinders their application in clinical settings. In the past decade, there has been a rapid expansion of cationic antimicrobial polymers, due to their potent, rapid, and broad-spectrum biocidal activity against resistant microbes, and biocompatible features. Given that antimicrobial polymers share common features with nonviral gene vectors in various aspects, such as membrane affinity, functional groups, physicochemical characteristics, and unique macromolecular architectures, these polymers may provide us with inspirations to overcome challenges in the design of novel vectors toward more safe and efficient gene delivery in clinic. Building off these observations, we provide here an overview of the structure-function relationships of polymers for both antimicrobial applications and gene delivery by elaborating some key structural parameters, including functional groups, charge density, hydrophobic/hydrophilic balance, MW, and macromolecular architectures. By borrowing a leaf from antimicrobial agents, great advancement in the development of newer nonviral gene vectors with high transfection efficiency and biocompatibility will be more promising. STATEMENT OF SIGNIFICANCE: The development of gene delivery is still in the preclinical stage for the lack of effective and biocompatible vectors. Given that antimicrobial polymers share common features with gene vectors in various aspects, such as membrane affinity, functional groups, physicochemical characteristics, and unique macromolecular architectures, these polymers may provide us with inspirations to overcome challenges in the design of novel vectors toward more safe and efficient gene delivery in clinic. In this review, we systematically summarized the structure-function relationships of antimicrobial polymers and gene vectors, with which the design of more advanced nonviral gene vectors is anticipated to be further boosted in the future.
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Affiliation(s)
- Haonan Xing
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Mei Lu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Tianzhi Yang
- Department of Basic Pharmaceutical Sciences, School of Pharmacy, Husson University, Bangor, ME, USA
| | - Hui Liu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Yanping Sun
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Xiaoyun Zhao
- School of Life Science and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang, China
| | - Hui Xu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Li Yang
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China.
| | - Pingtian Ding
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China.
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Zhang J, Wang C, Lu M, Xing H, Yang T, Cai C, Zhao X, Wei M, Yu J, Ding P. Intracellular distribution and internalization pathways of guanidinylated bioresponsive poly(amido amine)s in gene delivery. Asian J Pharm Sci 2018; 13:360-372. [PMID: 32104410 PMCID: PMC7032094 DOI: 10.1016/j.ajps.2018.02.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2017] [Revised: 11/26/2017] [Accepted: 02/26/2018] [Indexed: 12/11/2022] Open
Abstract
Guanidinylated bioresponsive poly(amido amine)s polymers, CAR-CBA and CHL-CBA, were synthesized by Michael-type addition reaction between guanidine hydrochloride (CAR) or chlorhexidine (CHL) and N,N'-cystaminebisacrylamide (CBA). Previous studies have shown that both polymers had high transfection efficiencies as gene delivery carriers. In this study, we investigated the nucleolus localization abilities and cellular internalization pathways of these two polymers in gene delivery. Each polymer condensed plasmid DNA (pDNA) and formed nanoparticle complexes, and then their transfection studies were performed in MCF-7 cells. Both complexes were found enriched in nucleolus after cellular transfection, and their transfection efficiencies were significantly improved when transfection was performed on MCF-7 cells arrested at M phase. The transfection efficiency of CAR-CBA-pDNA was inhibited by chlorpromazine, and cell endosomes were disrupted after being exposed to CAR-CBA-pDNA. In regards to CHL-CBA-pDNA, its transfection efficiency was not affected by three types of endocytosis inhibitors used in the study, and CHL-CBA-pDNA showed no effect on endosomes. Cellular lactate dehydrogenase release and membrane morphology were changed after cells were transfected by the two complexes. The results indicated that both CAR-CBA and CHL-CBA polymers demonstrated good nucleolus localization abilities. It was beneficial for transfection when cells were arrested at M phase. CAR-CBA-pDNA cellular internalization was involved with clathrin-mediated endocytosis pathway, and escaping from endosomal entrapment, while the cellular uptake of CHL-CBA-pDNA occurs via clathrin- and caveolae-independent mechanism.
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Key Words
- AFM, atomic force microscopy
- CAR, guanidine hydrochloride
- CBA, N,N’-cystaminebisacrylamide
- CHL, chlorhexidine
- CPPs, cell- penetrating peptides
- Cell cycle status
- DAPI, 2-(4-Amidinophenyl)-6-indolecarbamidine dihydrochloride
- DLS, dynamic light scattering
- DMEM, Dulbecco's Modification of Eagle's medium
- DiI, 1,1′-dioctadecyl-3,3,3′,3′-tetramethylindocarbocyanine perchlorate
- EGFP, enhanced green fluorescent protein
- Gua-SS-PAAs, guanidinylated disulfide containing poly(amido amine) polymers
- Guanidinylated poly(amido amine)s polymers
- Internalization pathways
- LDH, Lactate dehydrogenase
- NMR, nuclear magnetic resonance
- NOR, nucleolar organizing region
- Nucleolus localization
- OD, optical density
- PAAs, poly(amido, amine)s
- SS-PAAs, disulfide containing poly(amido, amine)
- pDNA, plasmid DNA
- rRNA, ribosomal RNA
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Affiliation(s)
- Jinmin Zhang
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Chunxi Wang
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Mei Lu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Haonan Xing
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Tianzhi Yang
- Department of Basic Pharmaceutical Sciences, School of Pharmacy, Husson University, Bangor, ME, 04401, USA
| | - Cuifang Cai
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Xiaoyun Zhao
- Department of Microbiology and Cell Biology, School of life Science and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Minjie Wei
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang, 110122, China
| | - Jiankun Yu
- Department of Ion Channel Pharmacology, School of Pharmacy, China Medical University, Shenyang, 110122, China
| | - Pingtian Ding
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, 110016, China
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