1
|
Pan C, Wang C, Zhao Y, Bo T, Han L, Yao D, Wang Y, Wang X, Shi L, Zhao A, Cao Q, Chen F, He W, Ye Y, Zhang S, Li M. Superior COL7A1 and TGM1 gene expression in difficult-to-transfect skin cell mediated by highly branched poly(β-amino esters) through stepwise fractionation. J Control Release 2024; 370:82-94. [PMID: 38643938 DOI: 10.1016/j.jconrel.2024.04.030] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 03/24/2024] [Accepted: 04/18/2024] [Indexed: 04/23/2024]
Abstract
Delivering functional gene into targeted skin cells or tissues to modulate the genes expression, has the potential to treat various hereditary cutaneous disorders. Nevertheless, the lack of safe and effective gene delivery vehicles greatly limits the clinical translation of gene therapy for inherited skin diseases. Herein, we developed a facile elution fractionation strategy to isolate eight HPAEs with Mw ranging from 7.6 to 131.8 kg/mol and Đ < 2.0 from the one crude HPAE23.7k, and investigated the expression efficiency for TGM1 and COL7A1 plasmids. Gene transfection results revealed that the intermediate MW HPAEs, HPAE20.6k, exhibited the highest gene transfection efficiency (46.4%) and the strongest mean fluorescence intensity (143,032 RLU), compared to other isolated components and the crude product. Importantly, best-performing isolated HPAE effectively delivered COL7A1 (15,974 bp) and TGM1 (7181 bp) plasmids, promoting the efficient expression of type VII collagen (C7) and transglutaminase-1 proteins in cutaneous cells. Our study establishes a straightforward step-by-step elution fractionation strategy for the development of HPAEs gene delivery vectors, expediting their clinical translation in inherited skin diseases.
Collapse
Affiliation(s)
- Chaolan Pan
- Department of Dermatology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - Chenfei Wang
- Department of Dermatology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China.
| | - Yitong Zhao
- School of Medicine, Anhui University of Science and Technology, Huainan, Anhui 232000, China
| | - Tao Bo
- NHC Key Laboratory of Glycoconjugate Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Liping Han
- NHC Key Laboratory of Glycoconjugate Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China; Department of Blood Transfusion, Huashan Hospital, Fudan University, Shanghai, China
| | - Dingjin Yao
- Shanghai EditorGene Technology Co., Ltd, Shanghai, 200000, China
| | - Yumeng Wang
- Department of Dermatology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - Xiaoxiao Wang
- Department of Dermatology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200092, China
| | - Linjing Shi
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
| | - Anqi Zhao
- Department of Dermatology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - Qiaoyu Cao
- Department of Dermatology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - Fuying Chen
- Department of Dermatology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - Wei He
- Department of Dermatology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - Ying Ye
- Department of Dermatology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - Si Zhang
- NHC Key Laboratory of Glycoconjugate Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China.
| | - Ming Li
- Department of Dermatology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China.
| |
Collapse
|
2
|
Santhanes D, Zhang H, Wilkins A, John Aitken R, Gannon AL, Liang M. Engineering pH-sensitive dissolution of lipid-polymer nanoparticles by Eudragit integration impacts plasmid DNA (pDNA) transfection. Eur J Pharm Biopharm 2024:114299. [PMID: 38643953 DOI: 10.1016/j.ejpb.2024.114299] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2023] [Revised: 04/06/2024] [Accepted: 04/18/2024] [Indexed: 04/23/2024]
Abstract
Lipid-polymer nanoparticles offer a promising strategy for improving gene nanomedicines by combining the benefits of biocompatibility and stability associated with the individual systems. However, research to date has focused on poly-lactic-co-glycolic acid (PLGA) and resulted in inefficient transfection. In this study, biocompatible Eudragit constructs E100 and RS100 were formulated as lipid-polymer nanoparticles loaded with pDNA expressing red fluorescent protein (RFP) as a model therapeutic. Using a facile nanoprecipitation technique, a core-shell structure stabilised by lipid-polyethylene glycol (PEG) surfactant was produced and displayed resistance to ultracentrifugation. Both cationic polymers E100 (pH-sensitive dissolution at 5) and RS100 (pH-insensitive dissolution) produced 150-200 nm sized particles with a small positive surface charge (+3-5 mV) and high pDNA encapsulation efficiencies (EE) of 75-90 %. The dissolution properties of the Eudragit polymers significantly impacted the biological performance in human embryonic kidney cells (HEK293T). Nanoparticles composed of polymer RS100 resulted in consistently high cell viability (80-100 %), whereas polymer E100 demonstrated dose-dependent behaviour (20-90 % cell viability). The low dissolution of polymer RS100 over the full pH range and the resulting nanoparticles failed to induce RFP expression in HEK293T cells. In contrast, polymer E100-constructed nanoparticles resulted in reproducible and gradually increasing RFP expression of 26-42 % at 48-72 h. Intraperitoneal (IP) injection of the polymer E100-based nanoparticles in C57BL/6 mice resulted in targeted RFP expression in mouse testes with favourable biocompatibility one-week post-administration. These findings predicate Eudragit based lipid-polymer nanoparticles as a novel and effective carrier for nucleic acids, which could facilitate pre-clinical evaluation and translation of gene nanomedicines.
Collapse
Affiliation(s)
- Diviya Santhanes
- School of Biomedical Sciences and Pharmacy, University of Newcastle, Callaghan, NSW 2308, Australia
| | - Huiming Zhang
- Electron Microscopy and X-ray Unit, Research and Innovation Division, University of Newcastle, Callaghan, NSW 2308, Australia
| | - Alex Wilkins
- School of Environmental and Life Sciences, University of Newcastle, Callaghan, NSW 2308, Australia
| | - Robert John Aitken
- School of Environmental and Life Sciences, University of Newcastle, Callaghan, NSW 2308, Australia
| | - Anne-Louise Gannon
- School of Environmental and Life Sciences, University of Newcastle, Callaghan, NSW 2308, Australia
| | - Mingtao Liang
- School of Biomedical Sciences and Pharmacy, University of Newcastle, Callaghan, NSW 2308, Australia.
| |
Collapse
|
3
|
Noske S, Karimov M, Krüger M, Lilli B, Ewe A, Aigner A. Spray-drying of PEI-/PPI-based nanoparticles for DNA or siRNA delivery. Eur J Pharm Biopharm 2024:114297. [PMID: 38641228 DOI: 10.1016/j.ejpb.2024.114297] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 04/10/2024] [Accepted: 04/16/2024] [Indexed: 04/21/2024]
Abstract
Spray-drying of nucleic acid-based drugs designed for gene therapy or gene knockdown is associated with many advantages including storage stability and handling as well as the possibility of pulmonary application. The encapsulation of nucleic acids in nanoparticles prior to spray-drying is one strategy for obtaining efficient formulations. This, however, strongly relies on the definition of optimal nanoparticles, excipients and spray-drying conditions. Among polymeric nanoparticles, polyethylenimine (PEI)-based complexes with or without chemical modifications have been described previously as very efficient for gene or oligonucleotide delivery. The tyrosine-modification of linear or branched low molecular weight PEIs, or of polypropylenimine (PPI) dendrimers, has led to high complex stability, improved cell uptake and transfection efficacy as well as high biocompatibility. In this study, we identify optimal spray-drying conditions for PEI-based nanoparticles containing large plasmid DNA or small siRNAs, and further explore the spray-drying of nanoparticles containing chemically modified polymers. Poly(vinyl alcohol) (PVA), but not trehalose or lactose, is particularly well-suited as excipient, retaining or even enhancing transfection efficacies compared to fresh complexes. A big mesh size is critically important as well, while the variation of the spray-drying temperature plays a minor role. Upon spray-drying, microparticles in a ∼ 3.3 - 8.5 µm size range (laser granulometry) are obtained, dependent on the polymers. Upon their release from the spray-dried material, the nanoparticles show increased sizes and markedly altered zeta potentials as compared to their fresh counterparts. This may contribute to their high efficacy that is seen also after prolonged storage of the spray-dried material. We conclude that these spray-dried systems offer a great potential for the preparation of nucleic acid drug storage forms with facile reconstitution, as well as for their direct pulmonary application as dry powder.
Collapse
Affiliation(s)
- Sandra Noske
- Rudolf-Boehm-Institute for Pharmacology and Toxicology, Clinical Pharmacology, Leipzig University, Faculty of Medicine, Härtelstraße 16-18, 04107 Leipzig, Germany
| | - Michael Karimov
- Rudolf-Boehm-Institute for Pharmacology and Toxicology, Clinical Pharmacology, Leipzig University, Faculty of Medicine, Härtelstraße 16-18, 04107 Leipzig, Germany
| | - Martin Krüger
- Institute of Anatomy, Leipzig University, Liebigstraße 13, 04103 Leipzig, Germany
| | - Bettina Lilli
- Institute of Chemical Technology, Leipzig University, Linnéstraße 3, 04103 Leipzig, Germany
| | - Alexander Ewe
- Rudolf-Boehm-Institute for Pharmacology and Toxicology, Clinical Pharmacology, Leipzig University, Faculty of Medicine, Härtelstraße 16-18, 04107 Leipzig, Germany
| | - Achim Aigner
- Rudolf-Boehm-Institute for Pharmacology and Toxicology, Clinical Pharmacology, Leipzig University, Faculty of Medicine, Härtelstraße 16-18, 04107 Leipzig, Germany.
| |
Collapse
|
4
|
Mascotte-Cruz JU, Vera A, Leija L, Lopez-Salas FE, Gradzielski M, Koetz J, Gatica-García B, Rodríguez-Oviedo CP, Valenzuela-Arzeta IE, Escobedo L, Reyes-Corona D, Gutierrez-Castillo ME, Maldonado-Berny M, Espadas-Alvarez AJ, Orozco-Barrios CE, Martinez-Fong D. Focused ultrasound on the substantia nigra enables safe neurotensin-polyplex nanoparticle-mediated gene delivery to dopaminergic neurons intranasally and by blood circulation. Discov Nano 2024; 19:60. [PMID: 38564106 PMCID: PMC10987469 DOI: 10.1186/s11671-024-04005-9] [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] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Accepted: 03/27/2024] [Indexed: 04/04/2024]
Abstract
Neurotensin-polyplex nanoparticles provide efficient gene transfection of nigral dopaminergic neurons when intracerebrally injected in preclinical trials of Parkinson's disease because they do not cross the blood-brain barrier (BBB). Therefore, this study aimed to open BBB with focused ultrasound (FUS) on the substantia nigra to attain systemic and intranasal transfections and evaluate its detrimental effect in rats. Systemically injected Evans Blue showed that a two-pulse FUS opened the nigral BBB. Accordingly, 35 μL of neurotensin-polyplex nanoparticles encompassing the green fluorescent protein plasmid (79.6 nm mean size and + 1.3 mV Zeta-potential) caused its expression in tyrosine hydroxylase(+) cells (dopaminergic neurons) of both substantiae nigrae upon delivery via internal carotid artery, retro-orbital venous sinus, or nasal mucosa 30 min after FUS. The intracarotid delivery yielded the highest transgene expression, followed by intranasal and venous administration. However, FUS caused neuroinflammation displayed by infiltrated lymphocytes (positive to cluster of differentiation 45), activated microglia (positive to ionized calcium-binding adaptor molecule 1), neurotoxic A1 astrocytes (positive to glial fibrillary acidic protein and complement component 3), and neurotrophic A2 astrocytes (positive to glial fibrillary acidic protein and S100 calcium-binding protein A10), that ended 15 days after FUS. Dopaminergic neurons and axonal projections decreased but recuperated basal values on day 15 after transfection, correlating with a decrease and recovery of locomotor behavior. In conclusion, FUS caused transient neuroinflammation and reversible neuronal affection but allowed systemic and intranasal transfection of dopaminergic neurons in both substantiae nigrae. Therefore, FUS could advance neurotensin-polyplex nanotechnology to clinical trials for Parkinson's disease.
Collapse
Affiliation(s)
- Juan U Mascotte-Cruz
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados, Av. Instituto Politécnico Nacional No. 2508, San Pedro Zacatenco, 07360, Ciudad de México, México
| | - Arturo Vera
- Departamento de Ingeniería Eléctrica-Bioelectrónica, Centro de Investigación y de Estudios Avanzados, Ciudad de Mexico, México
| | - Lorenzo Leija
- Departamento de Ingeniería Eléctrica-Bioelectrónica, Centro de Investigación y de Estudios Avanzados, Ciudad de Mexico, México
| | - Francisco E Lopez-Salas
- Departamento de Biología Molecular y Biotecnología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México Instituto de Investigaciones Biomédicas, Ciudad de Mexico, México
| | - Michael Gradzielski
- Institut für Chemie, Stranski-Laboratorium für Physikalische und Theoretische Chemie, Technische Universität Berlin, Berlin, Germany
| | - Joachim Koetz
- Institut für Chemie , Universität Potsdam, Potsdam, Germany
| | - Bismark Gatica-García
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados, Av. Instituto Politécnico Nacional No. 2508, San Pedro Zacatenco, 07360, Ciudad de México, México
- Nanoparticle Therapy Institute, Aguascalientes, México
| | | | - Irais E Valenzuela-Arzeta
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados, Av. Instituto Politécnico Nacional No. 2508, San Pedro Zacatenco, 07360, Ciudad de México, México
| | - Lourdes Escobedo
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados, Av. Instituto Politécnico Nacional No. 2508, San Pedro Zacatenco, 07360, Ciudad de México, México
| | | | - M E Gutierrez-Castillo
- Centro Interdisciplinario de Investigaciones y Estudios Sobre Medio Ambiente y Desarrollo, Departamento de Biociencias e Ingeniería, Instituto Politécnico Nacional, Ciudad de Mexico, México
| | - Minerva Maldonado-Berny
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados, Av. Instituto Politécnico Nacional No. 2508, San Pedro Zacatenco, 07360, Ciudad de México, México
| | - Armando J Espadas-Alvarez
- Centro Interdisciplinario de Investigaciones y Estudios Sobre Medio Ambiente y Desarrollo, Departamento de Biociencias e Ingeniería, Instituto Politécnico Nacional, Ciudad de Mexico, México
| | - Carlos E Orozco-Barrios
- CONAHCYT - Unidad de Investigaciones Médicas en Enfermedades Neurológicas, Hospital de Especialidades "Dr. Bernardo Sepúlveda", Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Ciudad de Mexico, México
| | - Daniel Martinez-Fong
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados, Av. Instituto Politécnico Nacional No. 2508, San Pedro Zacatenco, 07360, Ciudad de México, México.
- Nanoparticle Therapy Institute, Aguascalientes, México.
| |
Collapse
|
5
|
Hei MW, Zhan YR, Chen P, Zhao RM, Tian XL, Yu XQ, Zhang J. Lipoic Acid-Based Poly(disulfide)s as Versatile Biomolecule Delivery Vectors and the Application in Tumor Immunotherapy. Mol Pharm 2023. [PMID: 37150945 DOI: 10.1021/acs.molpharmaceut.3c00231] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Intracellular delivery of therapeutic biomacromolecules, including nucleic acids and proteins, attracts extensive attention in biotherapeutics for various diseases. Herein, a strategy is proposed for the construction of poly(disulfide)s for the efficient delivery of both nucleic acids and proteins into cells. A convenient photo-cross-linking polymerization was adopted between disulfide bonds in two modified lipoic acid monomers (Zn coordinated with dipicolylamine analogue (ZnDPA) and guanidine (GUA)). The disulfide-containing main chain of the resulting poly(disulfide)s was responsive to reducing circumstance, facilitating the release of cargos. By screening the feeding ratio of ZnDPA and GUA, the resulting poly(disulfide)s exhibited better performance in the delivery of nucleic acids including plasmid DNA and siRNA than commercially available transfection reagents. Cellular uptake results revealed that the polymer/cargo complexes entered the cells mainly following a thiol-mediated uptake pathway. Meanwhile, the polymer could also efficiently deliver proteins into cells without an obvious loss of protein activity, showing the versatility of the poly(disulfide)s for the delivery of various biomacromolecules. Moreover, the in vivo therapeutic effect of the materials was verified in the E.G7-OVA tumor-bearing mice. Ovalbumin-based nanovaccine induced a strong cellular immune response, especially cytotoxic T lymphocyte cellular immune response, and inhibited tumor growth. These results revealed the promise of the poly(disulfide)s in the application of both gene therapy and immunotherapy.
Collapse
Affiliation(s)
- Meng-Wei Hei
- College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Yu-Rong Zhan
- College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Ping Chen
- College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Rui-Mo Zhao
- College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Xiao-Li Tian
- College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Xiao-Qi Yu
- College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Ji Zhang
- College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| |
Collapse
|
6
|
Rodrigues PR, Wang X, Li Z, Lyu J, Wang W, Vieira RP. A new nano hyperbranched β-pinene polymer: Controlled synthesis and nonviral gene delivery. Colloids Surf B Biointerfaces 2023; 222:113032. [PMID: 36463608 DOI: 10.1016/j.colsurfb.2022.113032] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 11/05/2022] [Accepted: 11/16/2022] [Indexed: 11/18/2022]
Abstract
Recently, an extensive research effort has been directed toward the improvement of nonviral transfection vectors, such as polymeric materials. The macromolecular structure of polymers has a substantial effect on their transfection efficacy. In this context, the modern advances in polymer production techniques, such as the deactivation-enhanced radical atom transfer polymerization (DE-ATRP), have been fundamental for the synthesis of controlled architecture nanomaterials. In this study, hyperbranched poly(β-pinene)-PDMAEMA-PEGDMA nanometric copolymers were synthesised at high conversion via DE-ATRP using different concentrations of β-pinene for gene delivery applications. The structural characterization and the biological performance of the materials were investigated. The copolymers' molar mass (10,434-16,438 mol l-1), dispersity, and conversion (90-95%) varied significantly with β-pinene proportion on the polymerizations. The polymer-gene complexes generated (280-110 nm) presented excellent solution stability due to the β-pinene segment on the copolymers. Gene delivery and transfection were highly dependent on the copolymer composition. The copolymers containing the highest β-pinene proportions exhibited the best results with high transfection effectivity. In conclusion, the incorporation of β-pinene in DMAEMA-PEGMA copolymer formulations is a renewable option to improve the materials' branching ratio, polyplex stability, and gene delivery performance without causing cytotoxic effects.
Collapse
Affiliation(s)
- Plínio R Rodrigues
- Department of Bioprocesses and Materials Engineering, School of Chemical Engineering, University of Campinas, Albert Einstein St. N. 500, 13083-852 Campinas, São Paulo, Brazil; Charles Institute of Dermatology, University College Dublin, Belfield, D04 V1W8 Dublin 4, Ireland
| | - Xianqing Wang
- Charles Institute of Dermatology, University College Dublin, Belfield, D04 V1W8 Dublin 4, Ireland
| | - Zishan Li
- Charles Institute of Dermatology, University College Dublin, Belfield, D04 V1W8 Dublin 4, Ireland
| | - Jing Lyu
- Charles Institute of Dermatology, University College Dublin, Belfield, D04 V1W8 Dublin 4, Ireland.
| | - Wenxin Wang
- Charles Institute of Dermatology, University College Dublin, Belfield, D04 V1W8 Dublin 4, Ireland
| | - Roniérik P Vieira
- Department of Bioprocesses and Materials Engineering, School of Chemical Engineering, University of Campinas, Albert Einstein St. N. 500, 13083-852 Campinas, São Paulo, Brazil.
| |
Collapse
|
7
|
Wang H, Tenkumo T, Nemoto E, Kanda Y, Ogawa T, Sasaki K. Introduction of tenomodulin by gene transfection vectors for rat bone tissue regeneration. Regen Ther 2023; 22:99-108. [PMID: 36712960 PMCID: PMC9842804 DOI: 10.1016/j.reth.2022.12.008] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 12/17/2022] [Accepted: 12/22/2022] [Indexed: 01/13/2023] Open
Abstract
Introduction Periodontal ligament is regenerated in association with hard tissue regeneration. Tenomodulin (Tnmd) expression has been confirmed in periodontal ligament and it reportedly inhibits angiogenesis or is involved in collagen fibril maturation. The introduction of Tnmd by gene transfection in bone tissue regeneration therapy might inhibit topical hard tissue formation and induce the formation of dense fibrous tissue. Therefore, the effect of Tnmd introduction by gene transfection technique in vitro and in vivo was investigated in this study. Methods Osteogenesis- and chondrogenesis-related gene expression levels in osteoblastic cells (MC3T3E1) and rat bone marrow derived cells were detected using qPCR three days after gene transfection with plasmid DNA (Tnmd) using non-viral gene transfection vectors: a calcium phosphate-based gene transfection vector (CaP(Tnmd)) or a cationic polymer-based reagent (JetPEI (Tnmd)). Next, an atelocollagen scaffold with or without CaP (Tnmd) or JetPEI (Tnmd) was implanted into a rat calvaria bone defect, and the remaining bone defect volume and the tissue reaction at 28 days after surgery were evaluated. Results Runx 2 and SP7 mRNA was reduced by JetPEI (Tnmd) in both cells, but not in CaP(Tnmd). The volume of expressed Tnmd was at 9 ng/mL in both gene transfection vector. The remaining bone defect volume of JetPEI (Tnmd) was significantly bigger than that of the other groups and CaP (EGFP), and that of CaP (Tnmd) was significantly bigger than that of CaP (EGFP). Conclusions Tnmd introduction treatment inhibits bone formation in artificial bone defect, however, the effect of that was dependent on non-viral gene transfection vector.
Collapse
Affiliation(s)
- Han Wang
- Division of Advanced Prosthetic Dentistry, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai, 980-8575, Japan
| | - Taichi Tenkumo
- Division of Advanced Prosthetic Dentistry, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai, 980-8575, Japan
- Corresponding author. Fax.: (+81)(022)717-8371.
| | - Eiji Nemoto
- Division of Periodontology, Department of Oral Biology, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai, 980-8575, Japan
| | - Yoshiaki Kanda
- Division of Advanced Prosthetic Dentistry, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai, 980-8575, Japan
| | - Toru Ogawa
- Division of Advanced Prosthetic Dentistry, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai, 980-8575, Japan
| | - Keiichi Sasaki
- Division of Advanced Prosthetic Dentistry, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai, 980-8575, Japan
| |
Collapse
|
8
|
Yin K, Li D, Shen C, Shang Y, Li L, Zhao D, Cheng W. A Novel Combination of Keratinocyte and Autologous Microskin Grafting to Repair Full-Thickness Skin Loss. Eur Surg Res 2022; 63:269-277. [PMID: 35926477 DOI: 10.1159/000526305] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 07/18/2022] [Indexed: 01/31/2023]
Abstract
INTRODUCTION The high mortality of patients with extensive deep burns is mainly attributed to the extensive burn wound and the scarce autologous skin left for wound repair. The purpose of this study was to explore how to effectively use the limited remaining autologous skin to repair the extensive deep wound. METHODS Human keratinocytes harvested from the foreskin were cultured and transfected with epidermal growth factors (EGFs) by an adenovirus vector (Ad-EGF). The expression and the biological activity of EGF in both the normal human keratinocytes and the EGF gene-modified human keratinocytes were quantified by ELISA assay and CCK-8 assay, respectively. The differentiated phenotype of epidermal cells was detected by immunofluorescence staining via CK10, CK14, and CK19 expressions. Rats were subjected to a full-thickness skin loss (3.3 cm × 3.0 cm) on the dorsum, which was repaired with the EGF gene-modified human keratinocyte suspension and autologous microskin and covered with the allogeneic skin. The wound healing was quantified, and the expression of EGF mRNA was measured by RT-PCR. RESULTS The EGF gene-modified human keratinocytes highly expressed EGF. CK10, CK14, and CK19 as keratinocyte differentiation markers were increased in the EGF gene-modified human keratinocytes. Wound healing was accelerated remarkably by the combination of autologous microskin grafting and EGF gene-modified human keratinocytes in vivo, and a very high EGF mRNA expression was observed in EGF gene-modified human keratinocytes groups on days 7 and 14 compared with other groups. DISCUSSION/CONCLUSION The EGF gene-modified human keratinocyte suspension may serve as promising seed cells which can effectively secrete EGF to accelerate wound repair in combination with autologous microskin grafting and reduce the autologous skin requirement for wound repair.
Collapse
Affiliation(s)
- Kai Yin
- Department of Burns and Plastic Surgery, Beijing Jishuitan Hospital, Beijing, China
| | - Dawei Li
- Department of Burns and Plastic Surgery, The Fourth Medical Center of Chinese PLA General Hospital, Beijing, China,
| | - Chuanan Shen
- Department of Burns and Plastic Surgery, The Fourth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Yuru Shang
- Department of Plastic Surgery, Southern University of Science and Technology Hospital, Shenzhen, China
| | - Longzhu Li
- Department of Burns and Plastic Surgery, The Fourth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Dongxu Zhao
- Department of Burns and Plastic Surgery, The Fourth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Wenfeng Cheng
- Department of Burns and Plastic Surgery, The Fourth Medical Center of Chinese PLA General Hospital, Beijing, China
| |
Collapse
|
9
|
Lin X, Li F, Gu Q, Wang X, Zheng Y, Li J, Guan J, Yao C, Liu X. Gold-seaurchin based immunomodulator enabling photothermal intervention and αCD16 transfection to boost NK cell adoptive immunotherapy. Acta Biomater 2022; 146:406-420. [PMID: 35470078 DOI: 10.1016/j.actbio.2022.04.029] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 04/02/2022] [Accepted: 04/18/2022] [Indexed: 11/29/2022]
Abstract
Despite huge potentials of NK cells in adoptive cell therapy (ACT), formidable physical barriers of the tumor tissue and deficiency of recognizing signals on tumor cells severely prevent NK cell infiltrating, activating and killing performances. Herein, a nano-immunomodulator AuNSP@αCD16 (CD16 antibody encoding plasmid) is explored to remodel the tumor microenvironment (TME) for improving the antitumor effects of adoptive NK cells. The as-prepared AuNSP, with a seaurchin-like gold core and a cationic polymer shell, exhibited a high gene transfection efficiency and a stable NIR-II photothermal capacity. The AuNSP could trigger mild photothermal intervention to partly destroy tumors and collapse the dense physical barriers, making a permeable TME for NK cell infiltration. What's more, the AuNSP could achieve αCD16 gene transfection to modify tumor surface with CD16 antibody, marking a unique structure on tumor cells for NK cell recognition and then lead to strong NK cell activation by CD16-mediated antibody-dependent cellular cytotoxicity (ADCC). As expected, the designed AuNSP@αCD16 induced an immune-favorable TME for NK cell performing killing functions against solid tumors, increasing the release of cytolytic granules and proinflammatory cytokines, which ultimately achieved a robustly boosted NK cell-based immunotherapy. Hence, the AuNSP@αCD16-mediated TME reconstituting strategy provides a substantial perspective for NK-based ACT on solid tumors. STATEMENT OF SIGNIFICANCE: In adoptive cell therapy (ACT), natural killer (NK) cells exhibit greater off-the-shelf utility and improved safety comparing with T cells, but the efficacy of NK cell therapy is severely compromised by formidable physical barriers of the tumor tissue and deficiency of NK cell recognizing signals on tumor cells. Herein, a nano-immunomodulator AuNSP@αCD16, with the abilities of inducing mild photothermal intervention and modifying the tumor cell surface with αCD16, is explored to reconstruct an infiltration-favorable and activation-facilitating tumor microenvironment for NK cells to perform killing functions. Such a simple and safe strategy is believed as a very promising candidate for future NK-based ACT.
Collapse
Affiliation(s)
- Xinyi Lin
- Key Laboratory of Biomedical Information Engineering of Ministry of Education, Institute of Biomedical Photonics and Sensing, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China; The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou 350025, China; Mengchao Med-X Center, Fuzhou University, Fuzhou 350116, China
| | - Feida Li
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou 350025, China; School of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Qing Gu
- Key Laboratory of Biomedical Information Engineering of Ministry of Education, Institute of Biomedical Photonics and Sensing, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China
| | - Xiaoyan Wang
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou 350025, China; School of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Youshi Zheng
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou 350025, China; Mengchao Med-X Center, Fuzhou University, Fuzhou 350116, China
| | - Jiong Li
- Key Laboratory of Biomedical Information Engineering of Ministry of Education, Institute of Biomedical Photonics and Sensing, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China
| | - Jianhua Guan
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou 350025, China; College of Biological Science and Engineering, Fuzhou University, Fuzhou 350116, China
| | - Cuiping Yao
- Key Laboratory of Biomedical Information Engineering of Ministry of Education, Institute of Biomedical Photonics and Sensing, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China.
| | - Xiaolong Liu
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou 350025, China; Mengchao Med-X Center, Fuzhou University, Fuzhou 350116, China.
| |
Collapse
|
10
|
Zohri M, Arefian E, Akbari Javar H, Gazori T, Aghaee-Bakhtiari SH, Taheri M, Fatahi Y, Azadi A, Khoshayand MR, Ghahremani MH. Potential of chitosan/alginate nanoparticles as a non-viral vector for gene delivery: Formulation and optimization using D-optimal design. Mater Sci Eng C Mater Biol Appl 2021; 128:112262. [PMID: 34474821 DOI: 10.1016/j.msec.2021.112262] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 06/03/2021] [Accepted: 06/11/2021] [Indexed: 12/24/2022]
Abstract
Chitosan/alginate (Chi/Alg) nanoparticles as a non-viral vector for the Smad4 encoding plasmid were optimized utilizing D-optimal design based on the nanoparticles/plasmid ratio, Chi/Alg MW, and preparation method type. Following the optimization and validation of the best formula, morphology studies and FTIR measurements were performed to evaluate the optimized Chi/Alg/S NPs. Toxicity (MTT assay) and transfection studies were performed for the best formula in comparison with Lipofectamine 2000, and Polyethyleneimine (PEI) and evaluated using Green Fluorescence Protein (GFP) assay, Flow cytometry, and RT-PCR. The model predicted a particle size of 111 nm, loading efficacy (LE) of 43%, cumulative release (CMR) of 39%, the ζ-potential of +50 mV, and PDI of 0.13. The predicted point condition was as follows: NP ratio = 13, Chi/Alg MW ratio = 2.35, and preparation method type = 1. Microscopic findings revealed that the shape of nanoparticles was spherical. The Chi/Alg/S nanoparticles showed no toxicity and transfection efficacy of 29.9% was observed in comparison with Lipofectamine (35.5%) and PEI (30.9%).
Collapse
Affiliation(s)
- Maryam Zohri
- Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Ehsan Arefian
- Department of Microbiology, School of Biology, College of Science, University of Tehran, Tehran, Iran.
| | - Hamid Akbari Javar
- Departments of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Taraneh Gazori
- Trita Nanomedicine Research Center (TNRC), Trita Third Millennium Pharmaceuticals, 1917733831 Tehran, Iran
| | - Seyed Hamid Aghaee-Bakhtiari
- Bioinformatics Research Group, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Medical Biotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mojtaba Taheri
- Department of Medical Biotechnology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Yousef Fatahi
- Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran; Department of Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Amir Azadi
- Department of Pharmaceutics, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Reza Khoshayand
- Department of Drug and Food Control, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Hossein Ghahremani
- Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran; Department of Pharmacology and Toxicology, Faculty of Pharmacy, Tehran University of Medical Science, Tehran, Iran.
| |
Collapse
|
11
|
Liu XY, Yang JB, Duan TT, Wu CY, Tang Q, Lu ZL, He L, Sun W. Degradable cationic polyesters via ring-opening copolymerization of valerolactones as nanocarriers for the gene delivery. Bioorg Chem 2021; 116:105299. [PMID: 34454300 DOI: 10.1016/j.bioorg.2021.105299] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2021] [Revised: 08/09/2021] [Accepted: 08/17/2021] [Indexed: 01/19/2023]
Abstract
The development of cationic polymers as non-viral gene vectors has been hurdled by their high toxicity, thus degradable and biocompatible polymers are urgently demanded. Herein, five polyesters (B3a-B3e) were synthesized based on the ring-opening copolymerization between α-allyl-δ-valerolactone and δ-valerolactone derivatives decorated with alkyl or alkoxyl chains of different lengths, followed by the modification with 1,5,9-triazacyclododecyl ([12]aneN3) through thiol-ene click reactions. The five polyesters effectively condensed DNA into nanoparticles. Of them, B3a with a shorter alkyl chain and B3d with more positive charged units showed stronger DNA condensing performance and can completely retard the migration of DNA at N/P = 1.6 in the presence of DOPE. B3b/DOPE with a longer alkyl chain exhibited the highest transfection efficiency in HeLa cells with 1.8 times of 25 kDa PEI, while B3d/DOPE with more positive charged units exhibited highest transfection efficiency in A549 cells with 2.3 times of 25 kDa PEI. B3b/DOPE and B3d/DOPE successfully delivered pEGFP into zebrafish, which was superior to 25 kDa PEI (1.5 folds and 1.1 folds, respectively). The cytotoxicity measurements proved that the biocompatibility of these polyesters was better than 25 kDa PEI, due to their degradable property in acid environment. The results indicated that these cationic polyesters can be developed as potential non-viral gene vectors for DNA delivery.
Collapse
|
12
|
Dehghani S, Alibolandi M, Tehranizadeh ZA, Oskuee RK, Nosrati R, Soltani F, Ramezani M. Self-assembly of an aptamer-decorated chimeric peptide nanocarrier for targeted cancer gene delivery. Colloids Surf B Biointerfaces 2021; 208:112047. [PMID: 34418722 DOI: 10.1016/j.colsurfb.2021.112047] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [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: 12/15/2020] [Revised: 07/17/2021] [Accepted: 08/14/2021] [Indexed: 12/20/2022]
Abstract
In this study, we developed a peptide-based non-viral carrier decorated with aptamer to overcome the specific gene delivery barriers. The carrier (KLN/Apt) was designed to contain multiple functional segments, including 1) two tandem repeating units of low molecular weight protamine (LMWP) to condense DNA into stable nanosize particles and protect it from enzymatic digestion, 2) AS1411 aptamer as targeting moiety to target nucleolin and promote carrier internalization, 3) a synthetic pH-sensitive fusogenic peptide (KALA) for disrupting endosomal membranes and enhancing cytosol escape of the nanoparticles, and 4) a nuclear localization signal (NLS) for active cytoplasmic trafficking and nuclear delivery of DNA. The obtained results revealed the developed carrier capacity in terms of specific cell targeting, overcoming cellular gene delivery barriers, and mediating efficient gene transfection. The KLN/pDNA/aptamer nanoparticles offer remarkable potential for the conceptual design and formation of promising multi-functionalized carriers towards the most demanding therapeutic applications.
Collapse
Affiliation(s)
- Sadegh Dehghani
- Department of Medical Biotechnology and Nanotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mona Alibolandi
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Pharmaceutical Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Zeinab Amiri Tehranizadeh
- Department of Medicinal Chemistry, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Reza Kazemi Oskuee
- Targeted Drug Delivery Research Center, Institute of Pharmaceutical Technology, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Rahim Nosrati
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran; Cellular and Molecular Research Center, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Fatemeh Soltani
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Mohammad Ramezani
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Pharmaceutical Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
| |
Collapse
|
13
|
Zhang N, Foiret J, Kheirolomoom A, Liu P, Feng Y, Tumbale S, Raie M, Wu B, Wang J, Fite BZ, Dai Z, Ferrara KW. Optimization of microbubble-based DNA vaccination with low-frequency ultrasound for enhanced cancer immunotherapy. Adv Ther (Weinh) 2021; 4. [PMID: 34632048 DOI: 10.1002/adtp.202100033] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Immunotherapy is an important cancer treatment strategy; nevertheless, the lack of robust immune cell infiltration in the tumor microenvironment remains a factor in limiting patient response rates. In vivo gene delivery protocols can amplify immune responses and sensitize tumors to immunotherapies, yet non-viral transfection methods often sacrifice transduction efficiency for improved safety tolerance. To improve transduction efficiency, we optimized a strategy employing low ultrasound transmission frequency-induced bubble oscillation to introduce plasmids into tumor cells. Differential centrifugation isolated size-specific microbubbles. The diameter of the small microbubble population was 1.27 ± 0.89 μm and that of larger population was 4.23 ± 2.27 μm. Upon in vitro insonation with the larger microbubble population, 29.7% of cancer cells were transfected with DNA plasmids, higher than that with smaller microbubbles (18.9%, P <0.05) or positive control treatments with a commercial transfection reagent (12%, P < 0.01). After 48 h, gene expression increased more than two-fold in tumors treated with large, as compared with small, microbubbles. Furthermore, the immune response, including tumor infiltration of CD8+ T cells and F4/80+ macrophages, was enhanced. We believe that this safe and efficacious method can improve preclinical procedures and outcomes for DNA vaccines in cancer immunotherapy in the future.
Collapse
Affiliation(s)
- Nisi Zhang
- Department of Radiology, Stanford University, Palo Alto, CA, USA
| | - Josquin Foiret
- Department of Radiology, Stanford University, Palo Alto, CA, USA
| | | | - Pei Liu
- Department of Radiology, Stanford University, Palo Alto, CA, USA
| | - Yi Feng
- Department of Radiology, Stanford University, Palo Alto, CA, USA
| | - Spencer Tumbale
- Department of Radiology, Stanford University, Palo Alto, CA, USA
| | - Marina Raie
- Department of Radiology, Stanford University, Palo Alto, CA, USA
| | - Bo Wu
- Department of Radiology, Stanford University, Palo Alto, CA, USA
| | - James Wang
- Department of Radiology, Stanford University, Palo Alto, CA, USA
| | - Brett Z Fite
- Department of Radiology, Stanford University, Palo Alto, CA, USA
| | - Zhifei Dai
- Department of Engineering, Peking University, Beijing, China
| | | |
Collapse
|
14
|
Tao Z, Loo S, Su L, Tan S, Tee G, Gan SU, Zhang J, Chen X, Ye L. Angiopoietin-1 enhanced myocyte mitosis, engraftment, and the reparability of hiPSC-CMs for treatment of myocardial infarction. Cardiovasc Res 2021; 117:1578-1591. [PMID: 32666104 DOI: 10.1093/cvr/cvaa215] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 06/23/2020] [Accepted: 07/07/2020] [Indexed: 01/11/2023] Open
Abstract
AIMS To examine whether transient over-expression of angiopoietin-1 (Ang-1) increases the potency of hiPSC-CMs for treatment of heart failure. METHODS AND RESULTS Atrial hiPSC-CMs (hiPSC-aCMs) were differentiated from hiPSCs and purified by lactic acid and were transfected with Ang-1 (Ang-1-hiPSC-aCMs) plasmid using lipoSTEM. Ang-1 gene transfection efficiency was characterized in vitro. Gene transfected CMs (1×106) were seeded into a fibrin/thrombin patch and implanted on the rat-infarcted left ventricular (LV) anterior wall after myocardial infarction (MI). Echo function was determined at 1- and 6 weeks post-MI. Immunohistochemistry study was performed at 6 weeks post-MI. Ang-1 (20 and 40 ng/mL) protected hiPSC-aCMs from hypoxia through up-regulating pERK1/2 and inhibiting Bax protein expressions. Ang-1-hiPSC-aCMs transiently secreted Ang-1 protein up to 14 days, with peak level on day-2 post-transfection (24.39 ± 13.02 ng/mL) in vitro. Animal study showed that transplantation of Ang-1-hiPSC-aCM seeded patch more effectively limited rat heart apoptosis at 1 day post-MI as compared with LipoSTEM-Ang-1 or hiPSC-aCMs transplantation. Ang-1-hiPSC-aCMs transplantation induced host (rat) and donor (human) CM mitosis and arteriole formation, improved cell engraftment rate, more effectively limited LV dilation (EDV = 460.7 ± 96.1 μL and ESV = 219.8 ± 72.9 μL) and improved LV global pump function (EF = 53.1 ± 9%) as compared with the MI (EDV = 570.9 ± 91.8 μL, P = 0.033; ESV = 331.6 ± 71.2 μL, P = 0.011; EF = 42.3 ± 4.1%, P = 0.02) or the LipoSTEM-Ang-1 injected (EDV = 491.4 ± 100.4 μL, P = 0.854; ESV = 280.9 ± 71.5 μL, P = 0.287; EF = 43.2 ± 4.6, P = 0.039) or hiPSC-CM transplanted (EDV = 547.9 ± 55.5 μL, P = 0.095; ESV = 300.2 ± 88.4 μL, P = 0.075; EF = 46 ± 10.9%, P = 0.166) animal groups at 6 weeks post-MI and treatment. CONCLUSION Transient over-expression of Ang-1 enhanced hiPSC-aCM mitosis and engraftment and increased the reparability potency of hiPSC-aCMs for treatment of MI.
Collapse
Affiliation(s)
- Zhonghao Tao
- Department of Thoracic and Cardiovascular Surgery, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, 210006 Nanjing, Jiangsu, PR China
- National Heart Research Institute Singapore, National Heart Centre Singapore, 5 Hospital Drive, 169609 Singapore
| | - Szejie Loo
- National Heart Research Institute Singapore, National Heart Centre Singapore, 5 Hospital Drive, 169609 Singapore
| | - Liping Su
- National Heart Research Institute Singapore, National Heart Centre Singapore, 5 Hospital Drive, 169609 Singapore
| | - Shihua Tan
- National Heart Research Institute Singapore, National Heart Centre Singapore, 5 Hospital Drive, 169609 Singapore
| | - Guizhen Tee
- National Heart Research Institute Singapore, National Heart Centre Singapore, 5 Hospital Drive, 169609 Singapore
| | - Shu Uin Gan
- Department of Surgery, National University of Singapore, 1E Kent Ridge Road, 119228 Singapore
| | - Jianyi Zhang
- Department of Biomedical Engineering, University of Alabama at Birmingham, 1670 University Blvd, Birmingham, AL 35294-2182, USA
| | - Xin Chen
- Department of Thoracic and Cardiovascular Surgery, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, 210006 Nanjing, Jiangsu, PR China
| | - Lei Ye
- National Heart Research Institute Singapore, National Heart Centre Singapore, 5 Hospital Drive, 169609 Singapore
| |
Collapse
|
15
|
Liu JY, Liu XY, Liu R, Tang F, Yang JB, Tang Q, Lu ZL, Qiao HJ, He L. Integration of [12]aneN3 and Acenaphtho[1,2-b]quinoxaline as non-viral gene vectors with two-photon property for enhanced DNA/siRNA delivery and bioimaging. Bioorg Chem 2021; 113:104983. [PMID: 34029935 DOI: 10.1016/j.bioorg.2021.104983] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 05/01/2021] [Accepted: 05/07/2021] [Indexed: 12/20/2022]
Abstract
Two-photon fluorescent Acenaphtho[1,2-b]quinoxaline (ANQ) and the hydrophilic di-(triazole-[12]aneN3) moieties were combined through an alkyl chain (ANQ-A-M) or a β-hairpin motif with two aromatic γ-amino acid residues (ANQ-H-M) to explore their capabilities for in vitro and in vivo gene delivery and tracing. ANQ-A-M and ANQ-H-M showed the same maximum absorption at 420 nm, and their fluorescent intensities around 650 nm were varied in different solvents and became poor in the protic solvents. Gel electrophoresis assays indicated that both compounds completely retarded the migration of pDNA at 20 μM in the presence of DOPE. However, the DNA condensation with ANQ-H-M was not reversible, and the particle size of the corresponding complexes were larger indicated from the SEM and DLS measurements. In vitro transfections indicated ANQ-A-M/DOPE achieved Luciferase and GFP expressions were to be 7.9- and 5.7-fold of those by Lipo2000 in A549 cells respectively. However, ANQ-H-M showed very poor transfection efficiency in Luciferase expression. With the help of single/two-photon fluorescence imaging it clearly demonstrated that the successful transfection of ANQ-A-M was attributed to its cellular uptake, apparent lysosomal escape, and reversible release of DNA; and the poor transfection of ANQ-H-M was resulted from the aggregation of the DNA complexes which prevented them from the cellular uptake, and also the strong binding ability which is not easy to release DNA. ANQ-A-M/DOPE also exhibited robust gene silencing (83% knockdown of Luciferase) and GFP expression (2.47-fold higher) efficiency compared with Lipo2000 in A549 and zebrafish, respectively. The work demonstrated that the linkage structure between fluorescent and di(triazole-[12]aneN3) played the important role for their gene delivery performance, and that ANQ-A-M represents a vector with the strong transfection efficiency in vitro and in vivo as well as the efficient real time bioimaging properties, which is potential for the development in biomedical research.
Collapse
|
16
|
Zolghadrnasab M, Mousavi A, Farmany A, Arpanaei A. Ultrasound-mediated gene delivery into suspended plant cells using polyethyleneimine-coated mesoporous silica nanoparticles. Ultrason Sonochem 2021; 73:105507. [PMID: 33756435 PMCID: PMC7994536 DOI: 10.1016/j.ultsonch.2021.105507] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 02/02/2021] [Accepted: 02/26/2021] [Indexed: 05/06/2023]
Abstract
Sonoporation, ultrasound-mediated membrane perforation can potentially puncture plasma membrane and rigid cell wall on presumably reversible basis which benefit gene transfection and plant biotechnology. Herein, positively charged poly-ethyleneimine (PEI)-coated mesoporous silica nanoparticles (MSNs) with an average diameter of 100 ± 8.7 nm was synthesized for GUS-encoding plasmid delivery into the suspended tobacco cells using the ultrasound treatment. The overall potential of PEI-MSN for DNA adsorption was measured at 43.43 μg DNA mg-1 PEI-MSNs. It was shown that high level of sonoporation may adversely upset the cell viability. Optimal conditions of ultrasonic treatment are obtained as 8 min at 3 various intensities of 160, 320 and 640 W. Histochemical staining assay was used to follow the protein expression. It was shown that PEI-coated MSNs efficiently transfer the GUS-encoding plasmid DNA into the tobacco cells. The results of this study showed that ultrasonic treatment provides an economical and straightforward approach for gene transferring into the plant cells without any need to complicated devices and concerns about safety issues.
Collapse
Affiliation(s)
- Maryam Zolghadrnasab
- Department of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), P. O. BOX 1417863171, Tehran, Iran
| | - Amir Mousavi
- Department of Agricultural Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), P. O. BOX 1417863171, Tehran, Iran
| | - Abbas Farmany
- Dental Research Center, School of Dentistry, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Ayyoob Arpanaei
- Department of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), P. O. BOX 1417863171, Tehran, Iran.
| |
Collapse
|
17
|
Wang Y, Yang Y, Wang X, Kawazoe N, Yang Y, Chen G. The varied influences of cell adhesion and spreading on gene transfection of mesenchymal stem cells on a micropatterned substrate. Acta Biomater 2021; 125:100-111. [PMID: 33524558 DOI: 10.1016/j.actbio.2021.01.042] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 01/08/2021] [Accepted: 01/26/2021] [Indexed: 12/17/2022]
Abstract
Transmembrane transport of exogenous genes is widely investigated because of high demand for gene therapy. Both gene carriers and cellular conditions can affect gene transfection efficiency. Although cell morphology has been reported to affect cell functions, the influence of cell adhesion area and cell spreading area on the transfection of exogenous genes remains unclear because it is difficult to separate the individual influence of these areas during normal cell culture. In this study, micropatterns were prepared to separately control the adhesion and spreading areas of human bone marrow-derived mesenchymal stem cells (hMSCs). Transfection efficiency of the green fluorescent protein gene to hMSCs cultured on the micropatterns was compared. Cells with a larger adhesion area showed higher transfection efficiency, while cell spreading area hardly affected gene transfection efficiency. Cell adhesion area had dominant influence on gene transfection. Microparticle uptake and BrdU staining showed that the cellular uptake capacity and DNA synthesis activity increased with the increase in cell adhesion area, but were not affected by cell spreading area. The different influence of cell adhesion area and cell spreading area on gene transfection was correlated with their influence on cellular uptake capacity, DNA synthesis activity, focal adhesion formation, cytoskeletal mechanics, and mechanotransduction signal activation. The results suggest that cell adhesion area and cell spreading area had different influence on gene transfection; this finding should provide useful information for the manipulation of cell functions in gene therapy, protein modification, and cell reprogramming. STATEMENT OF SIGNIFICANCE: Cell adhesion and spreading are important morphological factors during the interaction of cells with biomaterial surfaces or interfaces. However, the predominant morphological factor that affects cellular functions such as gene transfection remains unclear. In the present study, special micropatterns were used to precisely control cell adhesion and spreading areas independently. Mesenchymal stem cells cultured on the micropatterns were transfected with the green fluorescent protein gene to compare the different influence of cell adhesion and spreading areas on gene transfection efficiency. Cell adhesion area showed dominant influence on gene transfection, while cell spreading area did not affect gene transfection. The dominant influence of cell adhesion area could be explained by cellular uptake capacity and DNA synthesis activity through the formation of FAs, cytoskeletal mechanics, and YAP/TAZ nuclear localization. The results provide new insights of correlation between cell morphology and cellular functions for designing functional biomaterials.
Collapse
|
18
|
Wang Y, Yang Y, Wang X, Yoshitomi T, Kawazoe N, Yang Y, Chen G. Micropattern-controlled chirality of focal adhesions regulates the cytoskeletal arrangement and gene transfection of mesenchymal stem cells. Biomaterials 2021; 271:120751. [PMID: 33740614 DOI: 10.1016/j.biomaterials.2021.120751] [Citation(s) in RCA: 14] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 02/26/2021] [Accepted: 03/02/2021] [Indexed: 02/07/2023]
Abstract
Cell chirality has been demonstrated to be important for controlling cell functions. However, it is not clear how the chirality of the extracellular microenvironment regulates cell adhesion and cytoskeletal structures and therefore affects gene transfection. In this study, the chirality of focal adhesions and the cytoskeleton of single human mesenchymal stem cells (hMSCs) was controlled by specially designed micropatterns, and its influence on gene transfection was investigated. Micropatterns with different cell adhesion areas and swirling stripe lines were prepared by micropatterning fibronectin on polystyrene surfaces. The chiral micropatterns induced the formation of chiral focal adhesions and chiral cytoskeletal structures. Gene transfection efficiency was enhanced with increasing adhesion area, while hMSCs on left-handed and right-handed swirling micropatterns showed the same level of gene transfection. When the swirling angle was changed from 0°, 30°, and 60° to 90°, the gene transfection efficiency at a swirling angle of 60° was the lowest. The influence of cell chirality on gene transfection was strongly associated with cellular uptake capacity, DNA synthesis and cytoskeletal mechanics. The results demonstrated that cytoskeletal swirling had a significant influence on gene transfection.
Collapse
Affiliation(s)
- Yongtao Wang
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan; Department of Materials Science and Engineering, Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan
| | - Yingjun Yang
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan; Department of Materials Science and Engineering, Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan
| | - Xinlong Wang
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan; Department of Materials Science and Engineering, Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan
| | - Toru Yoshitomi
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Naoki Kawazoe
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Yingnan Yang
- Graduate School of Life and Environmental Science, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8572, Japan
| | - Guoping Chen
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan; Department of Materials Science and Engineering, Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan.
| |
Collapse
|
19
|
Terry TL, Givens BE, Adamcakova-Dodd A, Thorne PS, Rodgers VGJ, Salem AK. Encapsulating Polyethyleneimine-DNA Nanoplexes into PEGylated Biodegradable Microparticles Increases Transgene Expression In Vitro and Reduces Inflammatory Responses In Vivo. AAPS PharmSciTech 2021; 22:69. [PMID: 33565009 PMCID: PMC7872112 DOI: 10.1208/s12249-021-01932-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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: 11/15/2020] [Accepted: 01/12/2021] [Indexed: 11/30/2022] Open
Abstract
Encapsulating genetic material into biocompatible polymeric microparticles is a means to improving gene transfection while simultaneously decreasing the tendency for inflammatory responses; and can be advantageous in terms of delivering material directly to the lungs via aerosolization for applications such as vaccinations. In this study, we investigated the advantages of using polymeric microparticles carrying the luciferase reporter gene in increasing transfection efficiency in the readily transfectable HEK293 cell line and the difficult to transfect RAW264.7 cell line. The results indicated that there was a limit to the ratio of nitrogen in polyethylenimine (PEI) to phosphate in DNA (N/P ratio) beyond which further increases in transgene expression no longer, or only marginally, occurred. Microparticles encapsulating PEI:DNA nanoplexes induced cellular toxicity in a dose-dependent manner. PEGylation increased transgene expression, likely related to enhanced degradation of particles. Furthermore, intra-tracheal instillation in rats allowed us to investigate the inflammatory response in the lung as a function of PEGylation, porosity, and size. Porosity did not influence cell counts in bronchoalveolar lavage fluid in the absence of PEG, but in particles containing PEG, non-porous particles recruited fewer inflammatory cells than their porous counterparts. Finally, both 1 μm and 10 μm porous PLA-PEG particles recruited more neutrophils than 4 μm particles. Thus, we have shown that PEGylation and lack of porosity are advantageous for faster release of genetic cargo from microparticles and a reduced inflammatory response, respectively.
Collapse
|
20
|
Hosseinpour S, Xu C, Walsh LJ. Impact of photobiomodulation using four diode laser wavelengths of on cationic liposome gene transfection into pre-osteoblast cells. J Photochem Photobiol B 2021; 215:112108. [PMID: 33418241 DOI: 10.1016/j.jphotobiol.2020.112108] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 11/21/2020] [Accepted: 12/18/2020] [Indexed: 11/16/2022]
Abstract
Gene therapy can be an effective treatment modality for some severe genetic diseases. Despite efforts to improve their performance, non-viral gene delivery methods remain inefficient and costly. As an alternative to viral vectors, cationic liposomes have a good safety profile and low immunogenicity, but relatively low transfection efficiency. They may also be toxic to cells at high concentrations. Given these challenges, the present study explored the impact of photobiomodulation (PBM) on cationic liposome plasmid DNA transfection in terms of its efficiency and toxicity, using Lipofectamine 2000 to carry green fluorescent protein (GFP) encoding plasmid DNA, with the pre-osteoblast MC3T3-E1 cell line as the target. Cultures were irradiated using diode lasers (445, 685, 810, or 970 nm) at 200 mW using pulsed mode (50 Hz), with a power density of 104.64 mW/cm2, and irradiance from 6 to 18 joules. To determine transfection efficiency, expression of GFP was assessed using confocal laser scanning microscopy and flow cytometry. Cell viability was evaluated using the MTT assay. PBM using 810 nm and 970 nm lasers significantly enhanced transfection efficiency for GFP, indicating more efficient uptake of plasmid DNA. Conversely, laser irradiation at 445 nm and 685 nm wavelengths reduced the GFP transfection efficiency. Treatment using 685, 810, and 970 nm lasers at 12 J maintained cell viability and prevented toxicity of cationic liposomes. Overall, these findings support the concept that PBM using near infrared laser wavelengths can enhance transfection efficiency and support cell viability when cationic liposomes are used as the vector in gene therapy.
Collapse
Affiliation(s)
- Sepanta Hosseinpour
- School of Dentistry, The University of Queensland, Herston, QLD, 4006, Australia.
| | - Chun Xu
- School of Dentistry, The University of Queensland, Herston, QLD, 4006, Australia.
| | - Laurence J Walsh
- School of Dentistry, The University of Queensland, Herston, QLD, 4006, Australia.
| |
Collapse
|
21
|
Vakilian H, Andres Rojas E, Habibi Rezaei L, Behmanesh M. Fabrication and Optimization of Linear PEI-Modified Crystal Nanocellulose as an Efficient Non-Viral Vector for In-Vitro Gene Delivery. Rep Biochem Mol Biol 2020; 9:297-308. [PMID: 33649723 PMCID: PMC7816776 DOI: 10.29252/rbmb.9.3.297] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [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: 09/02/2020] [Accepted: 09/10/2020] [Indexed: 06/12/2023]
Abstract
BACKGROUND One of the major challenges in gene therapy is producing gene carriers that possess high transfection efficiency and low cytotoxicity (1). To achieve this purpose, crystal nanocellulose (CNC) -based nanoparticles grafted with polyethylenimine (PEI) have been developed as an alternative to traditional viral vectors to eliminate potential toxicity and immunogenicity. METHODS In this study, CNC-PEI10kDa (CNCP) nanoparticles were synthetized and their transfection efficiency was evaluated and compared with linear cationic PEI10kDa (PEI) polymer in HEK293T (HEK) cells. Synthetized nanoparticles were characterized with AFM, FTIR, DLS, and gel retardation assays. In-vitro gene delivery efficiency by nano-complexes and their effects on cell viability were determined with fluorescent microscopy and flow cytometry. RESULTS Prepared CNC was oxidized with sodium periodate and its surface cationized with linear PEI. The new CNCP nano-complex showed different transfection efficiencies at different nanoparticle/plasmid ratios, which were greater than those of PEI polymer. CNPC and Lipofectamine were similar in their transfection efficiencies and effect on cell viability after transfection. CONCLUSION CNCP nanoparticles are appropriate candidates for gene delivery. This result highlights CNC as an attractive biomaterial and demonstrates how its different cationized forms may be applied in designing gene delivery systems.
Collapse
Affiliation(s)
- Haghighat Vakilian
- Nano biotechnology Department, Faculty of Bioscience, Tarbiat Modares University, Tehran, Iran.
| | - Eduardo Andres Rojas
- Department of Pathology and Molecular Medicine, McMaster Immunology Research Centre, McMaster University, Hamilton, ON, Canada.
| | - Lida Habibi Rezaei
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.
| | - Mehrdad Behmanesh
- Nano biotechnology Department, Faculty of Bioscience, Tarbiat Modares University, Tehran, Iran.
- Department of Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran.
| |
Collapse
|
22
|
Zhao J, Chen G, Pang X, Zhang P, Hou X, Chen P, Xie YW, He CY, Wang Z, Chen ZY. Calcium phosphate nanoneedle based gene delivery system for cancer genetic immunotherapy. Biomaterials 2020; 250:120072. [PMID: 32361307 DOI: 10.1016/j.biomaterials.2020.120072] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [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: 03/02/2020] [Accepted: 04/21/2020] [Indexed: 01/08/2023]
Abstract
Ovarian cancer has become one of the most common gynecological cancers with a high mortality. However, conventional surgery together with combination chemotherapy is difficult to achieve ideal therapeutic effect. Although genetic immunotherapy is applied to active immune responses against cancer, the absence of efficient in vivo gene delivery technique is still an obstacle in clinical application. To overcome these problems, a minicircle DNA vector encoding humanized anti-EpCAM/CD3 bispecific antibody (BsAbEPH) has been constructed. Moreover, different shapes of calcium phosphate (CaPO) biomaterials were prepared. Specifically, the CaPO-nanoneedle-mediated "cell perforation" transfection technology achieves high levels of gene expression in peritoneal cavity. In an intraperitoneal xenograft model with human ovarian cancer cell line SKOV3, the CaPO-nanoneedle/minicircle DNA system expressed BsAbEPH resulted in significant retardation of cancer growth and extension of mouse life-span with limited toxicity. And this system can be made as off-the-shelf and easy-to-use products. Therefore, CaPO-nanoneedle based non-viral gene delivery technology will have great potential in clinical application.
Collapse
Affiliation(s)
- Jing Zhao
- Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 18107, PR China; Laboratory for Gene and Cell Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, PR China
| | - Guochuang Chen
- Laboratory for Gene and Cell Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, PR China; Syno Minicircle Biotechnology Co. Ltd., Shenzhen, 518055, PR China
| | - Xiaojuan Pang
- Laboratory for Gene and Cell Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, PR China; Syno Minicircle Biotechnology Co. Ltd., Shenzhen, 518055, PR China
| | - Peifa Zhang
- Syno Minicircle Biotechnology Co. Ltd., Shenzhen, 518055, PR China
| | - Xiaohu Hou
- Laboratory for Gene and Cell Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, PR China; Syno Minicircle Biotechnology Co. Ltd., Shenzhen, 518055, PR China
| | - Ping Chen
- Laboratory for Gene and Cell Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, PR China; Syno Minicircle Biotechnology Co. Ltd., Shenzhen, 518055, PR China
| | - Yi-Wu Xie
- Syno Minicircle Biotechnology Co. Ltd., Shenzhen, 518055, PR China
| | - Cheng-Yi He
- Laboratory for Gene and Cell Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, PR China; Syno Minicircle Biotechnology Co. Ltd., Shenzhen, 518055, PR China
| | - Zhiyong Wang
- Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 18107, PR China; School of Materials Science and Engineering, Center for Functional Biomaterials, Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, Sun Yat-sen University, Guangzhou, 510275, China.
| | - Zhi-Ying Chen
- Laboratory for Gene and Cell Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, PR China; Syno Minicircle Biotechnology Co. Ltd., Shenzhen, 518055, PR China.
| |
Collapse
|
23
|
Ueda M, Jo JI, Gao JQ, Tabata Y. Effect of lipopolysaccharide addition on the gene transfection of spermine-introduced pullulan-plasmid DNA complexes for human mesenchymal stem cells. J Biomater Sci Polym Ed 2019; 30:1542-1558. [PMID: 31354063 DOI: 10.1080/09205063.2019.1650240] [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] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
The objective of this study is to investigate the effect of lipopolysaccharide (LPS) addition on the gene transfection of human mesenchymal stem cells (hMSC). hMSC were treated with the LPS at different concentrations and the complex of spermine-introduced pullulan and luciferase plasmid DNA for 3 h. The maximum level of gene expression was observed for hMSC treated with a certain concentration range of LPS. In addition, the cytotoxicity, cellular internalization of complexes, and cell cycle after LPS treatment were investigated. The cytotoxicity increased with an increase in the LPS concentration treated. On the other hand, the cellular internalization of complexes increased with the increased LPS concentration, although the internalization was sharply reduced at the high concentration. The LPS treatment increased the actin polymerization of cells to allow to spread more. The enhanced cells spreading would enhance the cellular internalization of complexes. In addition, the LPS treatment increased the rate of cell cycle. It is possible that the balance of cytotoxicity, cellular internalization, and cell cycle caused by the LPS addition results in the enhanced gene transfection at a certain LPS concentration. It is concluded that LPS treatment positively modified the cellular internalization and the cell cycle, resulting in the enhanced gene transfection.
Collapse
Affiliation(s)
- Masumi Ueda
- Laboratory of Biomaterials, Department of Regeneration Science and Engineering, Institute for Frontier Life and Medical Sciences, Kyoto University , Japan
| | - Jun-Ichiro Jo
- Laboratory of Biomaterials, Department of Regeneration Science and Engineering, Institute for Frontier Life and Medical Sciences, Kyoto University , Japan
| | - Jian-Qing Gao
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University , P. R. China
| | - Yasuhiko Tabata
- Laboratory of Biomaterials, Department of Regeneration Science and Engineering, Institute for Frontier Life and Medical Sciences, Kyoto University , Japan
| |
Collapse
|
24
|
Chen W, Hong Y, Zhang T, Kong D, Zhang M, Zhang Q, Wang C. Star-shaped poly(2-aminoethyl methacrylate)s as non-viral gene carriers: Exploring structure-function relationship. Colloids Surf B Biointerfaces 2019; 181:721-7. [PMID: 31228855 DOI: 10.1016/j.colsurfb.2019.06.029] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Revised: 06/02/2019] [Accepted: 06/13/2019] [Indexed: 11/22/2022]
Abstract
Gene therapy shows much promise in treating many inheritable and acquired diseases, but challenges remain in the design of gene vectors with low cytotoxicity and high transfection efficiency. Elucidating the structure-function relationship of non-viral polymer-based gene carriers is crucial for improving the design and performance of safe and effective gene therapy approaches. The cationic poly(2-aminoethyl methacrylate) (PAEM) containing primary amino side groups is an attractive carrier for gene delivery. This study focuses on four PAEM-based polycations with well-defined molecular weight and chain architecture. The polymers include three cyclodextrin (CD)-cored star-shaped PAEM polycations (s-PAEM), synthesized by atom transfer radical polymerization (ATRP), and a linear PAEM polycation (l-PAEM), synthesized via activators regenerated by electron transfer (ARGET) ATRP. All four polycations could condense plasmid DNA (pDNA) into spherical polyplexes with small sizes (<200 nm). The polyplexes showed excellent stability during storage and were able to resist electrostatic destabilization. The cytotoxicity of these polycations was depended on dose and target cell type and was influenced by molecular weight and chain architecture, yet the polyplexes showed little cytotoxicity regardless of the type of polymer used. The transfection efficiency of PAEM polycations was highly dependent upon molecular weight, molecular architecture (star versus linear) and target cell type. In most cases, polyplexes formed by high-molecular-weight s-PAEM performed the best. Moreover, at a specific N/P ratio, the transfection efficiency mediated by s-PAEM was higher in MCF-7 breast cancer cells than in COS-7 fibroblast-like cells, but such cell-type dependence was not obvious for l-PAEM. These findings indicate that the star-shaped PAEM polycations could be promising gene carriers for gene therapy applications.
Collapse
|
25
|
Yang S, Qian Z, Liu D, Wen N, Xu J, Guo X. Integration of C-type natriuretic peptide gene-modified bone marrow mesenchymal stem cells with chitosan/silk fibroin scaffolds as a promising strategy for articular cartilage regeneration. Cell Tissue Bank 2019; 20:209-220. [PMID: 30854603 DOI: 10.1007/s10561-019-09760-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [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: 08/15/2018] [Accepted: 03/03/2019] [Indexed: 12/20/2022]
Abstract
The treatment of articular cartilage defects has become a major clinical concern. Currently, additional efforts are necessary to develop effective methods to cure this disease. In this work, we combined gene therapy with tissue engineering methods to test their effect on cartilage repair. In in vitro experiments, we obtained C-type natriuretic peptide (CNP) gene-modified bone marrow-derived mesenchymal stem cells (BMSCs) by transfection with recombinant adenovirus containing the CNP gene and revealed that CNP gene-modified BMSCs had good chondrogenic differentiation ability. By the freeze-drying method, we successfully synthesized a chitosan/silk fibroin (CS/SF) porous scaffold, which had a suitable aperture size for chondrogenesis. Then, we loaded CNP gene-modified BMSCs onto CS/SF scaffolds and tested their effect on repairing full-thickness cartilage defects in rat joints. The gross morphology and histology examination results showed that the composite of the CNP gene-modified BMSCs and CS/SF scaffolds had better repair effects than those of the other three groups at each time point. Additionally, compared to the group with BMSCs and scaffolds, we found that there was more cartilage matrix in the CNP gene-modified BMSCs and CS/SF scaffolds group. Data obtained in the present study suggest that the composite of CNP gene-modified BMSCs and CS/SF scaffolds represent promising strategies for repairing focal cartilage lesions.
Collapse
Affiliation(s)
- Shuo Yang
- Department of Stomatology, Chinese PLA General Hospital, No. 28 Fuxing Road, Beijing, 100853, China
| | - Zhiyong Qian
- School of Biological Science and Medical Engineering, Beihang University, Beijing, 100191, China
| | - Donghua Liu
- Department of Advanced Interdisciplinary Studies, Institute of Basic Medical Sciences and Tissue Engineering Research Center, Academy of Military Medical Sciences, No. 27 Taiping Road, Beijing, 100850, China
| | - Ning Wen
- Department of Stomatology, Chinese PLA General Hospital, No. 28 Fuxing Road, Beijing, 100853, China.
| | - Juan Xu
- Department of Stomatology, Chinese PLA General Hospital, No. 28 Fuxing Road, Beijing, 100853, China.
| | - Ximin Guo
- Department of Advanced Interdisciplinary Studies, Institute of Basic Medical Sciences and Tissue Engineering Research Center, Academy of Military Medical Sciences, No. 27 Taiping Road, Beijing, 100850, China.
| |
Collapse
|
26
|
Abstract
The overexpression of a specific protein is a common method for investigating the specific biological function of the substance and the mechanism of action. In vivo electrotransfer has been confirmed to be one of the most reliable, efficient and cost-effective way to overexpress a protein in a select biological tissue. Typically, this technique involves a physical injection of plasmid DNA followed by electric pulses across the injection site. Here, we introduce this method that we used to transfect green fluorescent protein (GFP)-tagged PGC-1α plasmid DNA into mouse tibialis anterior (TA) muscle, which attained high transfection efficiency with no muscle damage. To quantify the transfection efficiency, we also demonstrate the visualization of plasmid DNA transfected fibers via immunohistochemical staining on muscle cross sections.
Collapse
Affiliation(s)
- Dongwook Yeo
- Laboratory of Physiological Hygiene and Exercise Science, School of Kinesiology, University of Minnesota Twin Cities, Minneapolis, MN, USA
| | - Chounghun Kang
- The Department of Physical Education, Inha University, Incheon, South Korea
| | - Li Li Ji
- Laboratory of Physiological Hygiene and Exercise Science, School of Kinesiology, University of Minnesota Twin Cities, Minneapolis, MN, USA.
| |
Collapse
|
27
|
Paris JL, de la Torre P, Cabañas MV, Manzano M, Flores AI, Vallet-Regí M. Suicide- gene transfection of tumor-tropic placental stem cells employing ultrasound-responsive nanoparticles. Acta Biomater 2019; 83:372-378. [PMID: 30414488 DOI: 10.1016/j.actbio.2018.11.006] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [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: 06/29/2018] [Revised: 11/05/2018] [Accepted: 11/06/2018] [Indexed: 02/07/2023]
Abstract
A Trojan-horse strategy for cancer therapy employing tumor-tropic mesenchymal stem cells transfected with a non-viral nanovector is here presented. In this sense, ultrasound-responsive mesoporous silica nanoparticles were coated with a polycation (using two different molecular weights), providing them with gene transfection capabilities that were evaluated using two different plasmids. First, the expression of Green Fluorescent Protein was analyzed in Decidua-derived Mesenchymal Stem Cells after incubation with the silica nanoparticles. The most successful nanoparticle was then employed to induce the expression of two suicide genes: cytosine deaminase and uracil phosphoribosyl transferase, which allow the cells to convert a non-toxic pro-drug (5-fluorocytosine) into a toxic drug (5-Fluorouridine monophosphate). The effect of the production of the toxic final product was also evaluated in a cancer cell line (NMU cells) co-cultured with the transfected vehicle cells, Decidua-derived Mesenchymal Stem Cells. STATEMENT OF SIGNIFICANCE: Cell-mediated cancer therapy has recently attracted great interest. Tumor-homing cells can exert anticancer effects through innate capacities, via transfection with a therapeutic gene or acting as vehicles of therapeutic nanoparticles. In this work, an ultrasound-responsive mesoporous silica nanoparticle (capable of carrying an anticancer drug) is engineered to act as a non-viral transfection agent for tumor-tropic human placental mesenchymal stem cells. The successful transfection of the vehicle cells is evaluated employing different expression plasmids. After transfection with two suicide genes, the vehicle cells are capable of converting a non-toxic pro-drug into a highly toxic molecule, which can also kill surrounding cancer cells in an in vitro co-culture model. This work opens the gate for a plethora of strategies in which both genes and drug-loaded nanoparticles can be transported towards tumor tissues by easily available human mesenchymal stem cells.
Collapse
Affiliation(s)
- Juan L Paris
- Dpto. Química en Ciencias Farmacéuticas, Facultad de Farmacia, UCM, Instituto de Investigación Sanitaria Hospital, 12 de Octubre (imas12), 28040 Madrid, Spain; Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain
| | - Paz de la Torre
- Grupo de Medicina Regenerativa, Instituto de Investigación Sanitaria Hospital, 12 de Octubre (imas12), Madrid, Spain
| | - M Victoria Cabañas
- Dpto. Química en Ciencias Farmacéuticas, Facultad de Farmacia, UCM, Instituto de Investigación Sanitaria Hospital, 12 de Octubre (imas12), 28040 Madrid, Spain
| | - Miguel Manzano
- Dpto. Química en Ciencias Farmacéuticas, Facultad de Farmacia, UCM, Instituto de Investigación Sanitaria Hospital, 12 de Octubre (imas12), 28040 Madrid, Spain; Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain
| | - Ana I Flores
- Grupo de Medicina Regenerativa, Instituto de Investigación Sanitaria Hospital, 12 de Octubre (imas12), Madrid, Spain.
| | - María Vallet-Regí
- Dpto. Química en Ciencias Farmacéuticas, Facultad de Farmacia, UCM, Instituto de Investigación Sanitaria Hospital, 12 de Octubre (imas12), 28040 Madrid, Spain; Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain.
| |
Collapse
|
28
|
Lou B, Jin R, Cheng J, Wen X, Zhao P, Lin C. A hierarchical assembly strategy to engineer dextran-enveloped polyurethane nanopolyplexes for robust ovarian cancer gene therapy. Acta Biomater 2018; 78:260-73. [PMID: 30071349 DOI: 10.1016/j.actbio.2018.07.049] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Revised: 07/18/2018] [Accepted: 07/27/2018] [Indexed: 02/07/2023]
Abstract
A hierarchical assembly strategy is herein investigated to generate bio-responsive, dextran-enveloped, bioreducible polyurethane nanopolyplexes for nonviral gene therapy against ovarian tumor. Initially, a group of poly(urethane amine)s were designed and characterized for in vitro gene transfection. The polyurethane containing 1,4-bis(3-aminopropyl)piperazine residue (PUBAP) could induce the best in vitro transfection efficacy against SKOV-3 or A2780 ovarian cancer cells. Next, dextran-enveloped PUBAP polyplexes (e-polyplexes) were constructed by a hierarchical assembly procedure involving gene neutralization with PUBAP and subsequent gene condensation with a cationic dextran (SSDP800). Such dextran comprised dextran (15 kDa) as the main chain and multiple disulfide-linked branched polyethylenimine (BPEI) oligomers as the side grafts. Additionally, folate-dextran-enveloped PUBAP polyplexes (FA-e-polyplexes) were fabricated by folate-modified SSDP800. These nanoscale-enveloped polyplexes elicited an improved colloidal stability against salt ions and negatively charged heparin, efficient endosomal escaping, and bioreduction-triggered intracellular gene release. In vitro transfection against SKOV-3 cells illustrated that FA-e-polyplexes exerted higher transfection efficiency in the serum than e-polyplexes and 25 kDa BPEI-polyplexes. In vivo, FA-e-polyplexes yielded higher transgene expression level than e-polyplexes in an SKOV-3 tumor-bearing nude mouse model. In the tumor gene therapy with a small hairpin RNA silencing vascular endothelial growth factor, FA-e-polyplexes afforded higher tumor growth inhibition than polyplexes of folate-PEGylated PUBAP and 25 kDa linear polyethylenimine as positive controls. Importantly, such gene therapy had minor toxic effects on the health of the mouse. This work highlights a practical hierarchical assembly method to construct innovative enveloped polyurethane nanopolyplexes enabling robust ovarian cancer gene therapy. STATEMENT OF SIGNIFICANCE It is indispensable to rationally update binary cationic polyplexes into ternary polyplexes for vigorous tumor gene therapy. In this work, we have confirmed that a hierarchical assembly strategy, by using initial gene neutralization and subsequent gene condensation, is facile and effective to promote cationic polyurethane polyplexes into ternary folate-dextran-enveloped polyurethane polyplexes with a relatively high gene-loading capacity. The enveloped polyplex system enables more efficient gene transfection than the PEGylated polyplex counterpart in ovarian cancer in vitro and in vivo, thereby affording robust ovarian cancer gene therapy. The development of innovative enveloped polyplexes may be a new direction for a non-viral gene delivery system.
Collapse
|
29
|
Peng CH, Woung LC, Lu KH, Tsai CY, Lee SD, Huang CS, Lin TC, Chien KH, Hwang DK. Acoustic waves improves retroviral transduction in human retinal stem cells. J Chin Med Assoc 2018; 81:830-836. [PMID: 29941298 DOI: 10.1016/j.jcma.2018.05.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Revised: 03/16/2018] [Accepted: 03/21/2018] [Indexed: 10/28/2022] Open
Abstract
BACKGROUNDS The plasticity of retinal stem cells (RSCs), a type of cells that can differentiate into neuron cells and photoreceptor cells, endows them with potential therapeutic properties that can be applied to regenerative medicine. Gene modification of these stem cells before trans-differentiation and transplantation enhances their survival and increases their therapeutic function. The different ways to effectively deliver gene into RSCs are still discussed. This study aimed to use the acoustic waves to improve the efficacy of gene delivery for RSCs. METHODS RSCs were obtained from non-fetal human ocular pigmented ciliary margin tissues. The enhanced green fluorescent protein-encoded murine stem cell retroviruses (MSCV) were prepared and used to infect RSCs. Glass chambers containing RSCs, retroviruses, and various concentrations of polybrene (0, 0.8, 2, 4 and 8 μg/mL) were exposed under 20 or 25 Vp-p ultrasonic standing wave fields (USWF) for 5 min. The percentage of green fluorescent protein positive cells in each sample was calculated and compared to test the efficacy of gene transduction. RESULTS Our results showed that the efficiency of gene transduction by MSCV infection was enhanced following the concentration of polybrene and the energy of USWF. The percentage of green fluorescent protein positive cells was significantly higher in chambers that contained 8 μg/mL of polybrene and was exposed to 20Vp-p of USWF for 5 min. In addition, the percentage increased in chambers contained 2, 4 and 8 μg/mL of polybrene when they were exposed to 25Vp-p of USWF. Comparing to those did not treated with ultrasound, the efficiency of retroviral transduction to RSCs increased 4-fold after exposed to USWF for 5 min. CONCLUSION We demonstrated the ability of ultrasound standing waves to improve retroviral transduction into RSCs. We believe that this may be applied to the experimental designs of future studies and may have possible therapeutic uses.
Collapse
Affiliation(s)
- Chi-Hsien Peng
- Department of Ophthalmology, Shin Kong Wu Ho-Su Memorial Hospital and Fu-Jen Catholic University, Taipei, Taiwan, ROC; School of Medicine & Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan, ROC
| | - Lin-Chunh Woung
- School of Medicine & Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan, ROC; Department of Ophthalmology, Taipei City Hospital, Taipei City, Taiwan, ROC
| | - Kai-Hsi Lu
- School of Medicine & Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan, ROC; Cheng-Hsin General Hospital, Taipei, Taiwan, ROC
| | - Ching-Yao Tsai
- School of Medicine & Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan, ROC; Department of Ophthalmology, Taipei City Hospital, Taipei City, Taiwan, ROC
| | | | - Chi-Shan Huang
- School of Medicine & Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan, ROC; Cheng-Hsin General Hospital, Taipei, Taiwan, ROC
| | - Tai-Chi Lin
- School of Medicine & Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan, ROC; Department of Ophthalmology, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Ke-Hung Chien
- School of Medicine & Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan, ROC; Department of Ophthalmology, Tri-Service General Hospital & National Defense Medical Center, Taipei, Taiwan, ROC
| | - De-Kuang Hwang
- Department of Ophthalmology, Taipei Veterans General Hospital, Taipei, Taiwan, ROC; Department of Ophthalmology, School of Medicine, National Yang-Ming University, Taipei, Taiwan, ROC.
| |
Collapse
|
30
|
Hsieh MK, Wu CJ, Chen CC, Tsai TT, Niu CC, Wu SC, Lai PL. BMP-2 gene transfection of bone marrow stromal cells to induce osteoblastic differentiation in a rat calvarial defect model. Mater Sci Eng C Mater Biol Appl 2018; 91:806-816. [PMID: 30033316 DOI: 10.1016/j.msec.2018.06.004] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Revised: 05/09/2018] [Accepted: 06/07/2018] [Indexed: 12/22/2022]
Abstract
Gene therapy for bone tissue engineering has been widely developed. Recently, non-viral DNA-based gene therapy has been reported to be a safer and more efficient method of delivering DNA into target cells. We used a non-viral gene transfection reagent to delivery bone morphogenetic protein-2 (BMP-2) gene into bone marrow stromal cells (BMSCs). Primary BMSCs were isolated from rat femurs and transfected with BMP-2 plasmids. The transfection rate was analyzed using flow cytometry. The concentration of BMP-2 protein was quantified using an enzyme-linked immunosorbent assay. Levels of osteopontin and osteocalcin were measured to evaluate osteogenic differentiation. In vivo, we designed a critical-size calvarial defect rat model to study new bone regeneration, using Matrigel as a scaffold to carry BMP-2-transfected bone marrow stromal cells into the defect site. New bone formation was assessed by micro-computed tomography, X-ray, immunohistochemical staining and histomophometry. The transfection rate after 72 h was 31.5%. The BMP-2 protein level as well as osteopontin and osteocalcin expressions were higher in the experimental group (transfected with BMP-2) than the control group (transfected with green fluorescent protein, GFP). The in vivo study suggested that bone healing occurred 12 weeks after scaffold implantation. In addition, BMP-2-transfected bone marrow stromal cells provided better osteogenic differentiation than primary bone marrow stromal cells. Our findings suggest that non-viral gene therapy may be useful in bone tissue engineering. SIGNIFICANCE The study has clinical implications for the wider use of BMP-2-transfected BMSCs for cell-based transplantation therapy in bone regeneration.
Collapse
Affiliation(s)
- Ming-Kai Hsieh
- Institute of Biotechnology, National Taiwan University, Taipei, Taiwan; Department of Orthopaedic Surgery, Chang Gung Memorial Hospital, Taoyuan, Taiwan; Bone and Joint Research Center, Chang Gung Memorial Hospital, Taoyuan, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Chia-Jung Wu
- Department of Orthopaedic Surgery, Chang Gung Memorial Hospital, Taoyuan, Taiwan; Bone and Joint Research Center, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Chun-Chieh Chen
- Department of Orthopaedic Surgery, Chang Gung Memorial Hospital, Taoyuan, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan; Department of Animal Science and Technology, National Taiwan University, Taipei, Taiwan
| | - Tsung-Ting Tsai
- Department of Orthopaedic Surgery, Chang Gung Memorial Hospital, Taoyuan, Taiwan; Bone and Joint Research Center, Chang Gung Memorial Hospital, Taoyuan, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Chi-Chien Niu
- Department of Orthopaedic Surgery, Chang Gung Memorial Hospital, Taoyuan, Taiwan; Bone and Joint Research Center, Chang Gung Memorial Hospital, Taoyuan, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Shinn-Chih Wu
- Institute of Biotechnology, National Taiwan University, Taipei, Taiwan; Department of Animal Science and Technology, National Taiwan University, Taipei, Taiwan.
| | - Po-Liang Lai
- Department of Orthopaedic Surgery, Chang Gung Memorial Hospital, Taoyuan, Taiwan; Bone and Joint Research Center, Chang Gung Memorial Hospital, Taoyuan, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan.
| |
Collapse
|
31
|
Wu M, Xiong H, Zou H, Li M, Li P, Zhou Y, Xu Y, Jian J, Liu F, Zhao H, Wang Z, Zhou X. A laser-activated multifunctional targeted nanoagent for imaging and gene therapy in a mouse xenograft model with retinoblastoma Y79 cells. Acta Biomater 2018; 70:211-226. [PMID: 29452275 DOI: 10.1016/j.actbio.2018.02.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Revised: 01/24/2018] [Accepted: 02/06/2018] [Indexed: 01/08/2023]
Abstract
Retinoblastoma (RB) is the most common intraocular malignancy of childhood that urgently needs early detection and effective therapy methods. The use of nanosized gene delivery systems is appealing because of their highly adjustable structure to carry both therapeutic and imaging agents. Herein, we report a folic acid (FA)-modified phase-changeable cationic nanoparticle encapsulating liquid perfluoropentane (PFP) and indocyanine green (ICG) (FA-CN-PFP-ICG, FCNPI) with good plasmid DNA (pDNA) carrying capacity, favorable biocompatibility, excellent photoacoustic (PA) and ultrasound (US) contrast, enhanced gene transfection efficiency and therapeutic effect. The liquid-gas phase transition of the FCNPI upon laser irradiation has provided splendid contrasts for US/PA dual-modality imaging in vitro as well as in vivo. More importantly, laser-mediated gene transfection with targeted cationic FCNPI nanoparticles demonstrated the best therapeutic effect compared with untargeted cationic nanoparticle (CN-PFP-ICG, CNPI) and neutral nanoparticle (NN-PFP-ICG, NNPI), both in vitro and in vivo. Such a multifunctional nanoagent is expected to combine dual-mode guided imaging with fewer side effects and proper therapeutic efficacy. These results establish an experimental foundation for the clinical detection of and therapy for RB. STATEMENT OF SIGNIFICANCE We successfully constructed a multifunctional targeted cationic nanoparticle (FCNPI) and meticulously compared the variations in the plasmid loading capacity and binding to Y79 cells with NNPI, CNPI, and FCNPI. FCNPI exhibited favorable plasmid loading capability, splendid ability for targeting and only it could provide optimal US and PA contrast to background during a considerable long time. The FCNPI/pDNA + Laser system also exhibited the best therapeutic effect in vivo; this finding proposes a potential strategy for the evaluation of an efficient gene delivery nanocarrier for gene targeting therapy of RB tumor. Our study showed that there are great advantages of targeting FCNPI to provide PA/US imaging and to enlighten laser-mediated gene transfection. FCNPI is a very helpful multifunctional agent with potential.
Collapse
|
32
|
Wang H, Jin W, Li H. Genetic polymorphisms in bone morphogenetic protein receptor type IA gene predisposes individuals to ossification of the posterior longitudinal ligament of the cervical spine via the smad signaling pathway. BMC Musculoskelet Disord 2018; 19:61. [PMID: 29458345 PMCID: PMC5819076 DOI: 10.1186/s12891-018-1966-1] [Citation(s) in RCA: 10] [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] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Accepted: 02/06/2018] [Indexed: 11/23/2022] Open
Abstract
Background The present study investigated the molecular mechanisms underlying the 4A > C and -349C > T single nucleotide polymorphisms (SNPs) in bone morphogenetic protein receptor type IA (BMPR-IA) gene, which significantly associated with the occurrence and the extent of ossification of the posterior longitudinal ligament (OPLL) in the cervical spine. Methods The SNPs in BMPR-IA gene were genotyped, and the association with the occurrence and severity of OPLL were evaluated in 356 OPLL patients and 617 non-OPLL controls. In stably transfected mouse embryonic mesenchymal stem cells (C3H10T1/2), the expression levels of the BMPR-IA gene and Smad4 protein as well as phosphorylated Smad1/5/8 were detected by Western blotting. In addition, the alkaline phosphatase (ALP) and osteocalcin (OC) activity of osteogenesis specificity protein was assessed using the ALP quantitation and osteocalcin radioimmunoassay kit, respectively. Results The 4A > C and the -349C > T polymorphisms of BMPR-IA gene were significantly associated with the development of OPLL in the cervical spine. The C allele type in 4A > C polymorphism significantly increases the occurrence and the extent of OPLL. The T allele type in -349C > T polymorphism significantly increases the susceptibility to OPLL, but not the extent of OPLL. The current results further validate our previous observations. The expression levels of BMPR-IA gene were significantly increased in pcDNA3.1/BMPR-IA (mutation type, MT -349C > T; MT 4A > C; MT -349C > T and 4A > C) vector-transfected C3H10T1/2 cells compared to the wild type (WT) vector-transfected cells. The levels of phosphorylated Smad1/5/8 and ALP activity were significantly increased in pcDNA3.1/BMPR-IA (MT -349C > T) vector-transfected C3H10T1/2 cells compared to the WT vector-transfected cells. However, no significant differences were observed in the protein levels of phosphorylated Smad1/5/8 and the ALP activity between MT A/C and WT vector-transfected cells. In addition, no significant differences were observed in the Smad4 protein levels among the experimental groups, as well as in the OC activity between WT vector-transfected and MT C/T, MT A/C, MT C/T and MT A/C vector-transfected cells. Conclusions Our results suggest that Smad signaling pathway may play important roles in the pathological process of OPLL induced by SNPs in BMPR-IA gene. These results will help to clarify the molecular mechanisms underlying the SNP and gene susceptibility to OPLL.
Collapse
Affiliation(s)
- Hao Wang
- Department of Orthopaedics, Beijing Tiantan Hospital, Capital Medical University, 6 TiantanXili, Dongcheng District, Beijing, 100050, China.
| | - Weitao Jin
- Department of Orthopaedics, Beijing Tiantan Hospital, Capital Medical University, 6 TiantanXili, Dongcheng District, Beijing, 100050, China
| | - Haibin Li
- Department of Epidemiology and Biostatistics, School of Public Health, Capital Medical University, Beijing, 100069, China
| |
Collapse
|
33
|
Ke X, Yang C, Cheng W, Yang YY. Delivery of NF-κB shRNA using carbamate-mannose modified PEI for eliminating cancer stem cells. Nanomedicine 2018; 14:405-14. [PMID: 29175597 DOI: 10.1016/j.nano.2017.11.015] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Revised: 10/07/2017] [Accepted: 11/15/2017] [Indexed: 12/31/2022]
Abstract
The presence of cancer stem cells (CSCs) is one of the main reasons that cause cancer relapse and metastasis. In this study, NF-κB shRNA was delivered to target CSCs using carbamate-mannose modified PEI (CMP) as a non-viral gene vector. The polymer was synthesized by blocking primary amine groups of branched PEI (10kDa) through nucleophilic addition between PEI and protected mannose-functionalized cyclic carbonate, followed by mannose deprotection. CMP/control shRNA nanocomplexes showed lower cytotoxicity and higher transfection efficiency in 4T1 murine breast cancer cells than unmodified PEI/control shRNA nanocomplexes. Importantly, CMP/NF-κB shRNA nanocomplexes (CMPN) were capable of inhibiting migration and invasion, decreasing mammosphere and colony formation and lowering ALDH+ CSC population. Furthermore, CMPN not only induced apoptosis and inhibited cell proliferation, but also sensitized the cells to the treatment with doxorubicin-loaded micellar nanoparticles. Therefore, CMPN may provide a promising approach for eliminating CSCs to prevent cancer relapse and metastasis.
Collapse
|
34
|
Xu K, Sun Y, Kh Al-Ani M, Wang C, Sha Y, Sung KP, Dong N, Qiu X, Yang L. Synergistic promoting effects of bone morphogenetic protein 12/connective tissue growth factor on functional differentiation of tendon derived stem cells and patellar tendon window defect regeneration. J Biomech 2017; 66:95-102. [PMID: 29174694 DOI: 10.1016/j.jbiomech.2017.11.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [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: 09/01/2017] [Revised: 10/28/2017] [Accepted: 11/02/2017] [Indexed: 10/18/2022]
Abstract
Current study investigated bone morphogenetic protein 12 (BMP12) and connective tissue growth factor (CTGF) activate tendon derived stem cells (TDSCs) tenogenic differentiation, and promotion of injured tendon regeneration. TDSCs were transfected with BMP12 and CTGF via recombinant adenovirus (Ad) infection. Gene transfection efficiency, cell viability and cytotoxicity, tenogenic gene expression, collagen I/III synthesis were evaluated in vitro. For the in vivo study, the transfected cells were transplanted into the rat patellar tendon window defect. At weeks 2 and 8 of post-surgery, the repaired tendon tissues were harvested for histological and biomechanical examinations. The transfected TDSCs revealed relatively stable transfection efficiency (80-90%) with active cell viability means while rare cytotoxicity in each group. During days 1 and 5, BMP12 and CTGF transfection caused tenogenic differentiation genes activation in TDSCs: type I/III collagen, tenascin-C, and scleraxis were all up-regulated, whereas osteogenic, adipogenic, and chondrogenic markers were all down-regulated respectively. In addition, BMP12 and CTGF overexpression significantly promote type I/III collagen synthesis. After in vivo transplantation, at 2 and 8 weeks post-surgery, BMP12, CTGF and co-transfection groups showed more integrated tendon tissue structure versus control, meanwhile, the ultimate failure loads and Young's were all higher than control. Remarkably, at 8 weeks post-surgery, the biomechanical properties of co-transfection group was approaching to normal rat patellar tendon, moreover, the ratio of type III/I collagen maintained about 20% in each transfection group, meanwhile, the type I collagen were significantly increased with co-transfection treatment. In conclusion, BMP12 and CTGF transfection stimulate tenogenic differentiation of TDSCs. The synergistic effects of simultaneous transfection of both may significantly promoted rat patellar tendon window defect regeneration.
Collapse
Affiliation(s)
- Kang Xu
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; National Innovation and Attracting Talents "111" Base, Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400030, PR China
| | - Yanjun Sun
- National Innovation and Attracting Talents "111" Base, Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400030, PR China
| | - Mohanad Kh Al-Ani
- National Innovation and Attracting Talents "111" Base, Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400030, PR China; Tikrit Universtiy, Collagen of Medicine, Department of Microbiology, P.O. Box (45) Salahaddin Province, Tikrit, Iraq
| | - Chunli Wang
- National Innovation and Attracting Talents "111" Base, Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400030, PR China
| | - Yongqiang Sha
- National Innovation and Attracting Talents "111" Base, Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400030, PR China
| | - Kl Paul Sung
- National Innovation and Attracting Talents "111" Base, Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400030, PR China
| | - Nianguo Dong
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xuefeng Qiu
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
| | - Li Yang
- National Innovation and Attracting Talents "111" Base, Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400030, PR China.
| |
Collapse
|
35
|
Jian CX, Fan QS, Hu YH, He Y, Li MZ, Zheng WY, Ren Y, Li CJ. Effects of rhBMP-2 gene transfection to periodontal ligament cells on osteogenesis. Biosci Rep 2017; 37:BSR20160585. [PMID: 28396514 DOI: 10.1042/BSR20160585] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [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: 12/08/2016] [Revised: 04/09/2017] [Accepted: 04/10/2017] [Indexed: 01/09/2023] Open
Abstract
The present study aims to investigate the effect of recombinant human bone
morphogenetic protein-2 (rhBMP-2) on the osteogenesis of periodontal ligament (PDL)
cells. The expression vector of rhBMP-2 (pcDNA3.1-rhBMP-2) was established. PDL cells
were obtained through the enzymatic digestion and tissue explant methods and verified
by immunohistochemistry. Cells were classified into experimental (cells transfected
with pcDNA3.1/rhBMP-2-EGFP), blank (cells with no transfection) and control
group (cells transfected with empty plasmid). rhBMP-2 expression was assessed via
Western blotting analysis. The mineralization ability, alkaline phosphatase (ALP)
activity and level of related osteogenic biomarkers were detected to evaluate the
osteogenic characteristics of PDL cells. The rhBMP-2 expression vector
(pcDNA3.1-rhBMP-2) was successfully established. Primary PDL cells displayed a star
or long, spindle shape. The cultured cells were long, spindle-shaped, had a plump
cell body and homogeneous cytoplasm and the ellipse nucleus contained two or three
nucleoli. Cells displayed a radial, sheaf-like or eddy-like arrangement after
adherence growth. Immunohistochemical staining confirmed that cells originated from
mesenchymal opposed to epithelium. The experimental group exhibited an enhanced
mineralization ability, higher ALP activity and increased expression of rhBMP-2 and
osteogenic biomarkers (Runx2, collagen type I and osteocalcin) than the blank and
control group. The present study demonstrated that rhBMP-2 transfection enhances the
osteogenesis of PDL cells and provides a possibility for the application of rhBMP-2
expression products in dental disease treatment.
Collapse
|
36
|
Deng B, Wang JX, Hu XX, Duan P, Wang L, Li Y, Zhu QL. Nkx2.5 enhances the efficacy of mesenchymal stem cells transplantation in treatment heart failure in rats. Life Sci 2017. [PMID: 28624390 DOI: 10.1016/j.lfs.2017.06.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
AIMS The aim of this study is to determine whether Nkx2.5 transfection of transplanted bone marrow mesenchymal stem cells (MSCs) improves the efficacy of treatment of adriamycin-induced heart failure in a rat model. MAIN METHODS Nkx2.5 was transfected in MSCs by lentiviral vector transduction. The expressions of Nkx2.5 and cardiac specific genes in MSCs and Nkx2.5 transfected mesenchymal stem cells (MSCs-Nkx2.5) were analyzed with quantitative real-time PCR and Western blot in vitro. Heart failure models of rats were induced by adriamycin and were then randomly divided into 3 groups: injected saline, MSCs or MSCs-Nkx2.5 via the femoral vein respectively. Four weeks after injection, the cardiac function, expressions of cardiac specific gene, fibrosis formation and collagen volume fraction in the myocardium as well as the expressions of GATA4 and MEF2 in rats were analyzed with echocardiography, immunohistochemistry, Masson staining, quantitative real-time PCR and Western blot, respectively. KEY FINDINGS Nkx2.5 enhanced cardiac specific gene expressions including α-MHC, TNI, CKMB, connexin-43 in MSCs-Nkx2.5 in vitro. Both MSCs and MSCs-Nkx2.5 improved cardiac function, promoted the differentiation of transplanted MSCs into cardiomyocyte-like cells, decreased fibrosis formation and collagen volume fraction in the myocardium, as well as increased the expressions of GATA4 and MEF2 in adriamycin-induced rat heart failure models. Moreover, the effect was much more remarkable in MSCs-Nkx2.5 than in MSCs group. SIGNIFICANCE This study has found that Nkx2.5 enhances the efficacy of MSCs transplantation in treatment adriamycin-induced heart failure in rats. Nkx2.5 transfected to transplanted MSCs provides a potential effective approach to heart failure.
Collapse
Affiliation(s)
- Bo Deng
- Department of Cardiology, Chinese PLA General Hospital, 28, Fuxing Road, Beijing 100853, China
| | - Jin Xin Wang
- Department of Cardiology, Chinese PLA General Hospital, 28, Fuxing Road, Beijing 100853, China
| | - Xing Xing Hu
- Department of Cardiology, Chinese PLA General Hospital, 28, Fuxing Road, Beijing 100853, China
| | - Peng Duan
- Department of Cardiology, Chinese PLA General Hospital, 28, Fuxing Road, Beijing 100853, China
| | - Lin Wang
- Department of Cardiology, Chinese PLA General Hospital, 28, Fuxing Road, Beijing 100853, China
| | - Yang Li
- Department of Cardiology, Chinese PLA General Hospital, 28, Fuxing Road, Beijing 100853, China
| | - Qing Lei Zhu
- Department of Cardiology, Chinese PLA General Hospital, 28, Fuxing Road, Beijing 100853, China.
| |
Collapse
|
37
|
Li Z, Wang W, Xu H, Ning Y, Fang W, Liao W, Zou J, Yang Y, Shao N. Effects of altered CXCL12/CXCR4 axis on BMP2/Smad/Runx2/Osterix axis and osteogenic gene expressions during osteogenic differentiation of MSCs. Am J Transl Res 2017; 9:1680-1693. [PMID: 28469774] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Accepted: 03/21/2017] [Indexed: 09/28/2022]
Abstract
This study investigated the effects of altered CXCL12/CXCR4 axis on the bone morphogenetic protein 2 (BMP-2)/Smad/runt-related transcription factor 2 (Runx2)/Osterix (Osx) signal axis and osteogenic gene expression during osteogenic differentiation of mesenchymal stem cells (MSCs), to gain understanding of the link between migration and osteogenic differentiation signal axis and MSCs osteogenic differentiation mechanisms. The pHBAd-MCMV- CXCL12-GFP vector (Ad-CXCL12) was constructed and quantitative polymerase chain reaction (qPCR)/western blotting used to determine CXCL12 expression in Ad-CXCL12-transfected MSCs. MSCs were treated with Ad-CXCL12 and AMD3100 (CXCL12 inhibitor) to detect BMP-2/Smad/Runx2/Osterix expression, bone sialoprotein (BSP), osteocalcin (OCN) and osteopontin (OPN) mRNA expression, and alkaline phosphatase (ALP) activity. PCR and sequencing confirmed successful construction of Ad-CXCL12. qPCR and enzyme-linked immunosorbent assay indicated that Ad-CXCL12 transfection promoted CXCL12 expression in MSCs. At 72 hours, Runx2 and Osterix, and Smad1/5/8 mRNA and protein expressions were significantly higher in the Ad-CXCL12 group than in the control group (P < 0.01). At 1 and 2 weeks, ALP activity and BSP mRNA expression were significantly higher in the Ad-CXCL12 group than in the control group (P < 0.01), respectively. No significant difference in OCN and OPN mRNA expression was determined between Ad-CXCL12 and control groups (P > 0.05). At 3 weeks, no significant difference in mineralized nodule staining was observed between groups (P > 0.05). Changes in the CXCL12/CXCR4 migration axis affected the BMP-2/Smad/Runx2/Osterix axis and BSP, OCN and OPN mRNA expression in early-stage, but not mid-/latestage, MSCs osteogenic differentiation, therefore affecting the ability of MSCs to undergo osteogenic differentiation.
Collapse
Affiliation(s)
- Zhanghua Li
- Tongren Hospital of Wuhan UniversityWuhan 430060, Hubei, China
| | - Wei Wang
- Hubei University of Chinese MedicineWuhan 430065, Hubei, China
| | - Haijia Xu
- Tongren Hospital of Wuhan UniversityWuhan 430060, Hubei, China
| | - Yu Ning
- Hubei University of Chinese MedicineWuhan 430065, Hubei, China
| | - Weijun Fang
- Renmin Hospital of Wuhan UniversityWuhan 430060, Hubei, China
| | - Wen Liao
- Tongren Hospital of Wuhan UniversityWuhan 430060, Hubei, China
| | - Ji Zou
- Hubei University of Chinese MedicineWuhan 430065, Hubei, China
| | - Yi Yang
- Health Science College, Wuhan Sports UniversityWuhan 430079, China
| | - Ningsheng Shao
- Department of Biochemistry and Molecular Biology, Institute of Basic Medical Sciences, Academy of Military Medical SciencesBeijing 100000, China
| |
Collapse
|
38
|
Liao WH, Hsiao MY, Lo CW, Yang HS, Sun MK, Lin FH, Chang Y, Chen WS. Intracellular triggered release of DNA-quaternary ammonium polyplex by ultrasound. Ultrason Sonochem 2017; 36:70-77. [PMID: 28069241 DOI: 10.1016/j.ultsonch.2016.11.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Revised: 11/02/2016] [Accepted: 11/02/2016] [Indexed: 06/06/2023]
Abstract
2-Methacryloyloxy ethyl trimethyl ammonium chloride (TMA) is a potent polymeric plasma DNA (pDNA) carrier. The present study shows that TMA/pDNA polyplexes could be internalized into cells efficiently, but could not mediate gene transfection on its own. The transfection process of TMA/pDNA polyplexes is turned on only when ultrasound (US) was applied 4-8h after incubating TMA/pDNA polyplexes with target cells (with a gene expression 1000 times that of the immediate US group). US is a widely used physical method for gene delivery; its transfection efficiency can be significantly enhanced when combined with cationic polymer vectors. Traditionally, US is given simultaneously with genetic materials, carriers and microbubbles to exert maximal efficacy. The unique on-off phenomenon of TMA/pDNA polyplexes, controlled by US exposure, was found to relate to the endosomal escape effect of US since the polyplexes colocalized well with the lysosome marker if no US was given or was given at inappropriate times. The proposed delivery system using US and TMA carriers has potential in many pharmaceutical applications requiring precise temporal and spatial release control.
Collapse
Affiliation(s)
- Wei-Hao Liao
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Ming-Yen Hsiao
- Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan; Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Chia-Wen Lo
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Hui-Shan Yang
- R&D Center for Membrane Technology and Department of Chemical Engineering, Chung Yuan Christian University, Chong-Li, Taiwan
| | - Ming-Kuan Sun
- Institute of Biomedical Engineering and Nanomedicine, National Health Research Institutes, Miaoli, Taiwan
| | - Feng-Huei Lin
- Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan; Institute of Biomedical Engineering and Nanomedicine, National Health Research Institutes, Miaoli, Taiwan
| | - Yung Chang
- R&D Center for Membrane Technology and Department of Chemical Engineering, Chung Yuan Christian University, Chong-Li, Taiwan.
| | - Wen-Shiang Chen
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan; Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan; Institute of Biomedical Engineering and Nanomedicine, National Health Research Institutes, Miaoli, Taiwan; Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu, Taiwan.
| |
Collapse
|
39
|
Ong ZY, Yang C, Cheng W, Voo ZX, Chin W, Hedrick JL, Yang YY. Biodegradable cationic poly(carbonates): Effect of varying side chain hydrophobicity on key aspects of gene transfection. Acta Biomater 2017; 54:201-211. [PMID: 28323177 DOI: 10.1016/j.actbio.2017.03.027] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [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: 08/05/2016] [Revised: 03/15/2017] [Accepted: 03/16/2017] [Indexed: 12/23/2022]
Abstract
The degree of hydrophobicity in cationic polymers plays an important but often underappreciated role in the safety and efficacy of gene delivery processes. In order to further elucidate structure-activity relationships of biodegradable cationic poly(carbonate) gene carriers, we synthesized a series of narrowly dispersed homo-polymers via metal-free organocatalytic living ring-opening polymerization (ROP) of cyclic carbonate monomers bearing either alkyl (propyl, hexyl or nonyl) or 4-methyl benzyl halide side chains. The polymers were then quaternized using bis-tertiary amines to install both quaternary ammoniums and tertiary amines for DNA binding and endosomal escape, respectively. Among the polymers with similar molecular lengths and charge densities, it was found that an increase in side chain alkyl spacer length from 3 to 6 carbons significantly enhanced cellular uptake and luciferase gene expression in HepG2 and HeLa cell lines without causing overt hemolysis and cytotoxicity. A further increase of side chain alkyl length to 9 carbons, however, led to a drastic decline in gene expression due to increased cellular toxicity, which was correlated with an increased disruption and lysis of red blood cell membranes. Interestingly, the incorporation of an aromatic 4-methyl benzyl spacer increased DNA binding strength, reduced particle sizes of resultant DNA complexes, and enhanced cellular uptake, leading to improved luciferase gene expression, albeit with higher levels of hemolysis and cytotoxicity. Taken together, the findings of this study demonstrate that a delicate balance between cationic charge density and hydrophobicity could be achieved by utilizing a hexyl spacer in the side chains of cationic poly(carbonates), hence providing insights on the future development of non-viral cationic polymeric gene delivery systems. STATEMENT OF SIGNIFICANCE Owing to their ease of synthesis and well-controlled polymerization, biodegradable cationic poly(carbonates) have emerged as a highly promising class of biomaterials for gene delivery. The hydrophobicity of side chains in cationic polymers plays an important but often underappreciated role in influencing key aspects of gene transfection. In our efforts to improve gene transfection and understand structure-activity relationships, we synthesized a series of cationic polymers bearing a common poly(carbonate) backbone, and with side chains containing various hydrophobic spacers (propyl, hexyl, 4-methyl benzyl or nonyl) before the cationic moiety. A moderate degree of hydrophobicity was optimal as the cationic poly(carbonate) with hexyl side chains mediated high gene transfection efficiencies while causing low cytotoxicities.
Collapse
Affiliation(s)
- Zhan Yuin Ong
- Institute of Bioengineering and Nanotechnology, 31 Biopolis Way, Singapore 138669, Singapore
| | - Chuan Yang
- Institute of Bioengineering and Nanotechnology, 31 Biopolis Way, Singapore 138669, Singapore
| | - Wei Cheng
- Institute of Bioengineering and Nanotechnology, 31 Biopolis Way, Singapore 138669, Singapore
| | - Zhi Xiang Voo
- Institute of Bioengineering and Nanotechnology, 31 Biopolis Way, Singapore 138669, Singapore
| | - Willy Chin
- Institute of Bioengineering and Nanotechnology, 31 Biopolis Way, Singapore 138669, Singapore
| | - James L Hedrick
- IBM Almaden Research Center, 650 Harry Road, San Jose, CA 95120, USA.
| | - Yi Yan Yang
- Institute of Bioengineering and Nanotechnology, 31 Biopolis Way, Singapore 138669, Singapore.
| |
Collapse
|
40
|
Li Y, Hei M, Xu Y, Qian X, Zhu W. Ammonium salt modified mesoporous silica nanoparticles for dual intracellular-responsive gene delivery. Int J Pharm 2016; 511:689-702. [PMID: 27426108 DOI: 10.1016/j.ijpharm.2016.07.029] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [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: 05/21/2016] [Revised: 06/30/2016] [Accepted: 07/14/2016] [Indexed: 01/12/2023]
Abstract
Effective gene delivery system plays an importmant role in the gene therapy. Mesoporous silica nanoparticle (MSN) has become one potential gene delivery vector because of its high stability, good biodegradability and low cytotoxicity. Herein, MSN-based dual intracellular responsive gene delivery system CMSN-A was designed and fabricated. Short chain ammonium group, which is modified with disulfide bond and amide bond simultaneously, is facilely grafted onto the mesoporous silica nanoparticles. As-synthesized CMSN-A is endowed with small size (80-110nm), large conical pores (15-23nm), and moderate Zeta potential (+25±2mV), which behaves high gene loading capacity, good stability and effectively gene transfection. Moreover, CMSN-A exhibits dual micro-environment responsive (lower pH, more reducing substances) due to the redox-sensitive disulfide bond and pH-sensitive amide bond in the short chain ammonium group. The cellular uptake study indicates that CMSN-A could transfer both plasmid DNA (pDNA) and siRNA into different kinds of tumour cells, which demonstrate the promising potential of CMSN-A as effective and safe gene-delivery vectors.
Collapse
Affiliation(s)
- Yujie Li
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Mingyang Hei
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Yufang Xu
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Xuhong Qian
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Weiping Zhu
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China.
| |
Collapse
|
41
|
Liu P, Liu K, Liu J, Xia K, Chen L, Wu X. [Effect of indianhedgehog gene transfection into rabbit bone marrow mesenchymal stem cells in promoting chondrogenic differentiation and inhibiting cartilage aging in rotary cell culture system]. Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi 2016; 30:892-902. [PMID: 29786328 DOI: 10.7507/1002-1892.20160180] [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] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
OBJECTIVE ?To investigate the effect of overexpressing the Indianhedgehog (IHH) gene on the chondrogenic differentiation of rabbit bone marrow mesenchymal stem cells (BMSCs) in a simulated microgravity environment. METHODS ?The 2nd generation BMSCs from rabbit were divided into 2 groups: the rotary cell culture system (RCCS) group and conventional group. Each group was further divided into the IHH gene transfection group (RCCS 1 group and conventional 1 group), green fluorescent protein transfection group (RCCS 2 group and conventional 2 group), and blank control group (RCCS 3 group and conventional 3 group). RCCS group cells were induced to differentiate into chondrocytes under simulated microgravity environment; the conventional group cells were given routine culture and chondrogenic induction in 6 well plates. During differentiation induction, the ELISA method was used to detect IHH protein expression and alkaline phosphatase (ALP) activity, and quantitative real-time PCR to detect cartilage and cartilage hypertrophy related gene expressions, and Western blot to detect collagen type Ⅱ, agreecan (ANCN) protein expression; and methylene blue staining and Annexin V-cy3 immunofluorescence staining were used to observe cell slide. RESULTS ?After transfection, obvious green fluorescence was observed in BMSCs under fluorescence microscopy in RCCS groups 1 and 2, the transfection efficiency was about 95%. The IHH protein levels of RCCS 1 group and conventional 1 group were significantly higher than those of RCCS 2, 3 groups and conventional 2, 3 groups (P<0.05); at each time point, ALP activity of conventional 1 group was significantly higher than that of conventional 2, 3 groups (P<0.05); ALP activity of RCCS 1 group was significantly higher than that of RCCS 2 and 3 groups only at 3 and 7 days (P<0.05). Conventional 1 group expressed high levels of cartilage-related genes, such as collagen type Ⅱ and ANCN at the early stage of differentiation induction, and expressed high levels of cartilage hypertrophy-related genes, such as collagen type X, ALP, and Annexin V at the late stage (P<0.05). RCCS 1 group expressed high levels of cartilage-related genes and low levels of cartilage hypertrophy-related genes at all stages. The expression of collagen type Ⅱ protein in conventional 1 group was significantly lower than that of conventional 2 and 3 groups at 21 days after induction (P<0.05); RCCS 1 group expressed high levels of collagen type Ⅱ and ANCN proteins at all stages (P<0.05). Methylene blue staining indicated conventional 1 group was stained lighter than conventional 2 and 3 groups at 21 days after induction; while at each time point RCCS 1 group was significantly deeper than RCCS 2 and 3 groups. Annexin V-cy3 immunofluorescence staining indicated the red fluorescence of conventional 1 group was stronger than that of conventional 2 and 3 groups at each time point. The expression of red fluorescence in each RCCS subgroup was weak and there was no significant difference between the subgroups. CONCLUSIONS ?Under the simulated microgravity environment, transfection of IHH gene into BMSCs can effectively promote the generation of cartilage and inhibit cartilage aging and osteogenesis. Therefore, this technique is suitable for cartilage tissue engineering.
Collapse
Affiliation(s)
- Pengcheng Liu
- Department of Orthopaedics, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, P. R. China
| | - Kuan Liu
- Department of Orthopaedics, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, P. R. China
| | - Junfeng Liu
- Department of Orthopaedics, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, P. R. China
| | - Kuo Xia
- Department of Orthopaedics, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, P. R. China
| | - Liyang Chen
- Department of Orthopaedics, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, P. R. China
| | - Xing Wu
- Department of Orthopaedics, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, P. R. China
| |
Collapse
|
42
|
Jing H, Cheng W, Li S, Wu B, Leng X, Xu S, Tian J. Novel cell-penetrating peptide-loaded nanobubbles synergized with ultrasound irradiation enhance EGFR siRNA delivery for triple negative Breast cancer therapy. Colloids Surf B Biointerfaces 2016; 146:387-95. [PMID: 27388967 DOI: 10.1016/j.colsurfb.2016.06.037] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Revised: 06/20/2016] [Accepted: 06/21/2016] [Indexed: 11/23/2022]
Abstract
The lack of safe and effective gene delivery strategies remains a bottleneck for cancer gene therapy. Here, we describe the synthesis, characterization, and application of cell-penetrating peptide (CPP)-loaded nanobubbles (NBs), which are characterized by their safety, strong penetrating power and high gene loading capability for gene delivery. An epidermal growth factor receptor (EGFR)-targeted small interfering RNA (siEGFR) was transfected into triple negative breast cancer (TNBC) cells via prepared CPP-NBs synergized with ultrasound-targeted microbubble destruction (UTMD) technology. Fluorescence microscopy showed that siEGFR and CPP were loaded on the shells of the NBs. The transfection efficiency and cell proliferation levels were evaluated by FACS and MTT assays, respectively. In addition, in vivo experiments showed that the expression of EGFR mRNA and protein could be efficiently downregulated and that the growth of a xenograft tumor derived from TNBC cells could be inhibited. Our results indicate that CPP-NBs carrying siEGFR could potentially be used as a promising non-viral gene vector that can be synergized with UTMD technology for efficient TNBC therapy.
Collapse
|
43
|
Liu Y, Yan J, Santangelo PJ, Prausnitz MR. DNA uptake, intracellular trafficking and gene transfection after ultrasound exposure. J Control Release 2016; 234:1-9. [PMID: 27165808 DOI: 10.1016/j.jconrel.2016.05.013] [Citation(s) in RCA: 20] [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: 01/19/2016] [Revised: 04/26/2016] [Accepted: 05/06/2016] [Indexed: 11/17/2022]
Abstract
Ultrasound has been studied as a promising tool for intracellular gene delivery. In this work, we studied gene transfection of a human prostate cancer cell line exposed to megahertz pulsed ultrasound in the presence of contrast agent and assessed the efficiency of fluorescently labelled DNA delivery into cell nuclei, which is necessary for gene transfection. At the sonication conditions studied, ~30% of cells showed DNA uptake 30min after sonication, but that fraction decreased over time to ~10% of cells after 24h. Most cells containing DNA had DNA in their nuclei, but the amount varied significantly. Transfection efficiency peaked at ~10% at 8h post sonication. Among those cells containing DNA, ~30% of DNA was localized in the cell nuclei, ~30% was in autophagosomes/autophagolysosomes and the remainder was "free" in the cytoplasm 30min after sonication. At later times up to 24h, ~30% of DNA continued to be found in the nuclei and most or all of the rest of the DNA was in autophagosomes/autophagolysosomes. These results demonstrate that ultrasound can deliver DNA into cell nuclei shortly after sonication and that the rest of the DNA can be cleared by autophagosomes/autophagolysosomes.
Collapse
Affiliation(s)
- Ying Liu
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0100, USA
| | - Jing Yan
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0100, USA
| | - Philip J Santangelo
- Wallace H. Coulter Department of Biomedical Engineering at Georgia Tech and Emory University, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Mark R Prausnitz
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0100, USA; Wallace H. Coulter Department of Biomedical Engineering at Georgia Tech and Emory University, Georgia Institute of Technology, Atlanta, GA 30332, USA.
| |
Collapse
|
44
|
Xiang X, Tang Y, Leng Q, Zhang L, Qiu L. Targeted gene delivery to the synovial pannus in antigen-induced arthritis by ultrasound-targeted microbubble destruction in vivo. Ultrasonics 2016; 65:304-314. [PMID: 26433434 DOI: 10.1016/j.ultras.2015.09.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2015] [Revised: 09/09/2015] [Accepted: 09/16/2015] [Indexed: 06/05/2023]
Abstract
The purpose of this study was to optimize an ultrasound-targeted microbubble destruction (UTMD) technique to improve the in vivo transfection efficiency of the gene encoding enhanced green fluorescent protein (EGFP) in the synovial pannus in an antigen-induced arthritis rabbit model. A mixture of microbubbles and plasmids was locally injected into the knee joints of an antigen-induced arthritis (AIA) rabbits. The plasmid concentrations and ultrasound conditions were varied in the experiments. We also tested local articular and intravenous injections. The rabbits were divided into five groups: (1) ultrasound+microbubbles+plasmid; (2) ultrasound+plasmid; (3) microbubble+plasmid; (4) plasmid only; (5) untreated controls. EGFP expression was observed by fluorescent microscope and immunohistochemical staining in the synovial pannus of each group. The optimal plasmid dosage and ultrasound parameter were determined based on the results of EGFP expression and the present and absent of tissue damage under light microscopy. The irradiation procedure was performed to observe the duration of the EGFP expression in the synovial pannus and other tissues and organs, as well as the damage to the normal cells. The optimal condition was determined to be a 1-MHz ultrasound pulse applied for 5 min with a power output of 2 W/cm(2) and a 20% duty cycle along with 300 μg of plasmid. Under these conditions, the synovial pannus showed significant EGFP expression without significant damage to the surrounding normal tissue. The EGFP expression induced by the local intra-articular injection was significantly more increased than that induced by the intravenous injection. The EGFP expression in the synovial pannus of the ultrasound+microbubbles+plasmid group was significantly higher than that of the other four groups (P<0.05). The expression peaked on day 5, remained detectable on day 40 and disappeared on day 60. No EGFP expression was detected in the other tissues and organs. The UTMD technique can significantly enhance the in vivo gene transfection efficiency without significant tissue damage in the synovial pannus of an AIA model. Thus, this could become a safe and effective non-viral gene transfection procedure for arthritis therapy.
Collapse
Affiliation(s)
- Xi Xiang
- Department of Ultrasound, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Yuanjiao Tang
- Department of Ultrasound, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Qianying Leng
- Department of Ultrasound, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Lingyan Zhang
- Department of Ultrasound, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Li Qiu
- Department of Ultrasound, West China Hospital of Sichuan University, Chengdu, Sichuan, China.
| |
Collapse
|
45
|
Abstract
Polyplexes are one of the most important and promising approaches to deliver exogenous DNA into cells. However, it is severely restricted by the aggregation of polyplexes. Surface-tethered polyplexes can inhibit the aggregation effect and increase the local concentrations of DNA, exhibiting an excellent potential in gene transfection. Since silicon nanowires have the ability to penetrate the cell membrane, branched polyethylenimine (bPEI)-grafted silicon nanowire arrays (SiNWAs) can stimulate gene transfection to a great extent. Herein, the method for the preparation of bPEI-grafted SiNWAs, as an example of surface-tethered polyplexes, is introduced in detail.
Collapse
Affiliation(s)
- Hongwei Wang
- Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren'ai Road, Suzhou, 215123, Jiangsu, P. R. China.
| | - Jingjing Pan
- Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren'ai Road, Suzhou, 215123, Jiangsu, P. R. China
| | - Hong Chen
- Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren'ai Road, Suzhou, 215123, Jiangsu, P. R. China
| | - Lin Yuan
- Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren'ai Road, Suzhou, 215123, Jiangsu, P. R. China.
| |
Collapse
|
46
|
Tang JJ, Meng QY, Cai ZX, Li XQ. Transplantation of VEGFl65-overexpressing vascular endothelial progenitor cells relieves endothelial injury after deep vein thrombectomy. Thromb Res 2015; 137:41-45. [PMID: 26632512 DOI: 10.1016/j.thromres.2015.11.025] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [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: 05/14/2015] [Revised: 11/16/2015] [Accepted: 11/18/2015] [Indexed: 11/25/2022]
Abstract
AIM The purpose of this study was to explore the therapeutic efficacy of VEGF165-overexpressing vascular endothelial progenitor cells (EPCs) in post-thrombotic syndrome. MATERIALS AND METHODS A thrombus model was developed to mimic the in-vivo setting, and adenovirus transfection was used to overexpress VEGF165 in EPCs. These cells were transplanted into the animal model, and their ability to relieve endothelial injury was evaluated using haematoxylin and eosin staining, immunohistochemistry and scanning electron microscopy. RESULTS Ferric chloride was used to build rat models of the inferior vena cava thrombosis, and HEK 293A cells were used to amplify adenovirus that overexpresses VEGF165. EPCs were infected with adenovirus, and this was confirmed by fluorescence microscopy. Transplantation of VEGH165-overexpressing EPCs into injured endothelial sites led to faster repair of the post-thrombotic tunica intima than wild-type EPCs. CONCLUSION Transplantation of VEGF165-overexpressing EPCs was found to promote repair of the tunica intima, thus improving rehabilitation after surgery.
Collapse
Affiliation(s)
- Jun-Jian Tang
- Department of Vascular Surgery, Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China; Department of Vascular Surgery, Taihu Hospital, Wuxi, Jiangsu, China
| | - Qing-You Meng
- Department of Vascular Surgery, Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Zhi-Xin Cai
- Department of Vascular Surgery, Taihu Hospital, Wuxi, Jiangsu, China
| | - Xiao-Qiang Li
- Department of Vascular Surgery, Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China.
| |
Collapse
|
47
|
Zhu K, Wu M, Lai H, Guo C, Li J, Wang Y, Chen Y, Wang C, Shi J. Nanoparticle-enhanced generation of gene-transfected mesenchymal stem cells for in vivo cardiac repair. Biomaterials 2015; 74:188-99. [PMID: 26461114 DOI: 10.1016/j.biomaterials.2015.10.010] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [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: 09/30/2015] [Accepted: 10/05/2015] [Indexed: 01/24/2023]
Abstract
Transplantation of gene-transfected bone marrow-derived mesenchymal stem cells (BMMSCs) is a promising strategy for ischemic myocardium repair, but current therapeutic strategy suffers from high toxicity and inefficient gene transfection in primary BMMSCs. Here we designed and synthesized molecularly organic-inorganic hybrid hollow mesoporous organosilica nanoparticles (HMONs) based on nano-synthetic chemistry, which are featured with concurrent large pore size over 20 nm, small particulate size, hollow cavity and high dispersity for gene transfection in BMMSCs and subsequent in vivo cardiac repair. To efficiently create the therapeutic gene-transfected stem-cell lines, hepatocyte growth factor (HGF) gene was applied to transfect BMMSCs via biocompatible surface-engineered HMONs as a high-performance gene-delivery nanosystem. On the rat model of myocardial infarction, transplantation of HGF gene-transfected BMMSCs enables the largely decreased apoptotic cardiomyocytes, reduced infarct scar size, relieved interstitial fibrosis, and increased angiogenesis in myocardium. The resultant cardiac repair further promotes the significant improvement of heart function. Therefore, the fabricated organic-inorganic hybrid HMONs with large pore size represent a generalizable strategy and platform for gene transfection in BMMSCs and further regenerative medicine.
Collapse
Affiliation(s)
- Kai Zhu
- Department of Cardiac Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, PR China; Shanghai Institute of Cardiovascular Disease, Shanghai 200032, PR China
| | - Meiying Wu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, PR China
| | - Hao Lai
- Department of Cardiac Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, PR China; Shanghai Institute of Cardiovascular Disease, Shanghai 200032, PR China
| | - Changfa Guo
- Department of Cardiac Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, PR China; Shanghai Institute of Cardiovascular Disease, Shanghai 200032, PR China
| | - Jun Li
- Department of Cardiac Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, PR China; Shanghai Institute of Cardiovascular Disease, Shanghai 200032, PR China
| | - Yulin Wang
- Department of Cardiac Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, PR China; Shanghai Institute of Cardiovascular Disease, Shanghai 200032, PR China
| | - Yu Chen
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, PR China.
| | - Chunsheng Wang
- Department of Cardiac Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, PR China; Shanghai Institute of Cardiovascular Disease, Shanghai 200032, PR China.
| | - Jianlin Shi
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, PR China.
| |
Collapse
|
48
|
Qu LJ, Liang L, Su JJ. Effect of DR-nm23 overexpression on biological characteristics of human colorectal carcinoma SW620 cells. Shijie Huaren Xiaohua Zazhi 2015; 23:4024-4031. [DOI: 10.11569/wcjd.v23.i25.4024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To investigate the effect of DR-nm23 overexpression on biological characteristics of human colorectal carcinoma SW620 cells.
METHODS: SW620 cells were divided into three groups: non-endogenous expression (SW620) group, mock control (SW620/mock) group, and recombinant lentiviral expression vector pGC-FU-DR-nm23-GFP transfected (SW620/DR-nm23) group. Both in vitro cell experiments and in vivo xenograft tumor model assay were carried out to investigate the role of DR-nm23 in regulation of colorectal cancer cell proliferation, movement, invasion and metastasis.
RESULTS: Induced overexpression of DR-nm23 in SW620 cells via lentiviral infection resulted in significant inhibition of cell proliferation as revealed by cell growth curve (F = 15.657, P = 0.002) and clonogenic assay (F = 45.476, P = 0.003) in vitro. Meanwhile, Transwell assay showed that the numbers of cells that passed the membrane in the SW620/DR-nm23 group, SW620/mock group and SW620 group were 14.00 ± 1.85, 18.00 ± 2.01, and 17.00 ± 1.98, respectively, indicating that the migration ability was also significantly impaired in the SW620/DR-nm23 group (F = 10.746, P = 0.006). There was no significant difference in the three groups in Boyden chamber assay. Besides, the growth rate (F = 5.579, P = 0.008) and liver metastasis rate of the SW620/DR-nm23 group were significantly reduced as compared with those of the SW620 or SW620/mock group in vivo.
CONCLUSION: Overexpression of DR-nm23 may inhibit the invasive and metastatic capabilities of colorectal carcinoma SW620 cells. Thus, expression status of DR-nm23 may act as a potential prognostic factor in patients with colorectal cancer.
Collapse
|
49
|
Rata-Aguilar A, Segovia-Ramos N, Jódar-Reyes AB, Ramos-Pérez V, Borrós S, Martín-Rodríguez A, Ortega-Vinuesa JL. Complexation and release of DNA in polyplexes formed with reducible linear poly(β-amino esters). Colloids Surf B Biointerfaces 2015; 133:339-46. [PMID: 26125487 DOI: 10.1016/j.colsurfb.2015.06.001] [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] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2015] [Revised: 05/28/2015] [Accepted: 06/01/2015] [Indexed: 10/23/2022]
Abstract
Designing nanocarriers for gene delivery is a multidisciplinary challenge that involves not only DNA condensation with biocompatible polymers, but also DNA-release processes. Once the genetic material is introduced into the cell, the rupture of degradable bonds permits the unpacking and release of the load. In this work, a dual-degradable polycation - composed by a linear poly(β-amino ester) chain in which ester and disulfide bonds coexist - has been used to condense a DNA plasmid. The goal was to reinforce the spontaneous hydrolysis of the ester groups with the intracellular break-up of the disulfide bonds, since these reducible bonds are degraded in the reductive intracellular environment. For a comparative study, two poly(β-amino ester) molecules differing only in the presence (or absence) of some SS bonds have been tested. DNA condensation, physico-chemical characterization of the polyplexes formed, and degradation studies have been carried out at pH 5 and pH 7. The acidic conditions gave the best nanoparticles, due to a better solubilization of both polymers and to a higher stability of the ester bonds. Despite the synthesis and storage of polyplexes were much more appropriate at pH 5, transfection efficiency in HeLa cells was similar irrespective the original pH used. Only in those polyplexes formed at low polymer:DNA ratios (i.e. 5 and 10 (w/w)) was transfection more effective when the plasmid was condensed at an acidic pH. With regard to the DNA-release efficiency in the intracellular medium, degradation of the polymers was practically governed by the rapid hydrolysis of the ester groups, this spontaneous and rapid process masking, unfortunately, any potential contribution associated with the breakup of the disulfide bonds.
Collapse
Affiliation(s)
- Azahara Rata-Aguilar
- Biocolloid and Fluid Physics Group, Department of Applied Physics, University of Granada, 18071 Granada, Spain
| | - Nathaly Segovia-Ramos
- Group of Material Engineering GEMAT-IQS, University of Ramon Llull, 08017 Barcelona, Spain
| | - Ana Belén Jódar-Reyes
- Biocolloid and Fluid Physics Group, Department of Applied Physics, University of Granada, 18071 Granada, Spain
| | - Víctor Ramos-Pérez
- Group of Material Engineering GEMAT-IQS, University of Ramon Llull, 08017 Barcelona, Spain
| | - Salvador Borrós
- Group of Material Engineering GEMAT-IQS, University of Ramon Llull, 08017 Barcelona, Spain
| | - Antonio Martín-Rodríguez
- Biocolloid and Fluid Physics Group, Department of Applied Physics, University of Granada, 18071 Granada, Spain
| | - Juan Luis Ortega-Vinuesa
- Biocolloid and Fluid Physics Group, Department of Applied Physics, University of Granada, 18071 Granada, Spain.
| |
Collapse
|
50
|
He B, Wang Y, Shao N, Chang H, Cheng Y. Polymers modified with double-tailed fluorous compounds for efficient DNA and siRNA delivery. Acta Biomater 2015; 22:111-9. [PMID: 25937003 DOI: 10.1016/j.actbio.2015.04.037] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2015] [Revised: 04/17/2015] [Accepted: 04/24/2015] [Indexed: 12/11/2022]
Abstract
Cationic polymers are widely used as gene carriers, however, these polymers are usually associated with low transfection efficacy and non-negligible toxicity. Fluorination on polymers significantly improves their performances in gene delivery, but a high density of fluorous chains must be conjugated on a single polymer. Here we present a new strategy to construct fluorinated polymers with minimal fluorous chains for efficient DNA and siRNA delivery. A double-tailed fluorous compound 2-chloro-4,6-bis[(perfluorohexyl)propyloxy]-1,3,5-triazine (CBT) was conjugated on dendrimers of different generations and low molecular weight polyethylenimine via a facile synthesis. The yielding products with average numbers of 1-2 conjugated CBT moieties showed much improved EGFP and luciferase transfection efficacy compared to unmodified polymers. In addition, these polymers show high siRNA delivery efficacy on different cell lines. Among the synthesized polymers, generation 1 (G1) dendrimer modified with an average number of 1.9 CBT moieties (G1-CBT1.9) shows the highest efficacy when delivering both DNA and siRNA and its efficacy approaches that of Lipofectamine 2000. G1-CBT1.9 also shows efficient gene silencing in vivo. All of the CBT-modified polymers exhibit minimal toxicity on the cells at their optimal transfection conditions. This study provides a new strategy to design efficient fluorous polymers for DNA and siRNA delivery.
Collapse
|