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Brennan PG, Mota L, Aridi T, Patel N, Liang P, Ferran C. Advancements in Omics and Breakthrough Gene Therapies: A Glimpse into the Future of Peripheral Artery Disease. Ann Vasc Surg 2024; 107:229-246. [PMID: 38582204 DOI: 10.1016/j.avsg.2024.01.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Accepted: 01/01/2024] [Indexed: 04/08/2024]
Abstract
Peripheral artery disease (PAD), a highly prevalent global disease, associates with significant morbidity and mortality in affected patients. Despite progress in endovascular and open revascularization techniques for advanced PAD, these interventions grapple with elevated rates of arterial restenosis and vein graft failure attributed to intimal hyperplasia (IH). Novel multiomics technologies, coupled with sophisticated analyses tools recently powered by advances in artificial intelligence, have enabled the study of atherosclerosis and IH with unprecedented single-cell and spatial precision. Numerous studies have pinpointed gene hubs regulating pivotal atherogenic and atheroprotective signaling pathways as potential therapeutic candidates. Leveraging advancements in viral and nonviral gene therapy (GT) platforms, gene editing technologies, and cutting-edge biomaterial reservoirs for delivery uniquely positions us to develop safe, efficient, and targeted GTs for PAD-related diseases. Gene therapies appear particularly fitting for ex vivo genetic engineering of IH-resistant vein grafts. This manuscript highlights currently available state-of-the-art multiomics approaches, explores promising GT-based candidates, and details GT delivery modalities employed by our laboratory and others to thwart mid-term vein graft failure caused by IH, as well as other PAD-related conditions. The potential clinical translation of these targeted GTs holds the promise to revolutionize PAD treatment, thereby enhancing patients' quality of life and life expectancy.
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Affiliation(s)
- Phillip G Brennan
- Division of Vascular and Endovascular Surgery, and Center for Vascular Biology Research, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
| | - Lucas Mota
- Division of Vascular and Endovascular Surgery, and Center for Vascular Biology Research, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
| | - Tarek Aridi
- Division of Vascular and Endovascular Surgery, and Center for Vascular Biology Research, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA; Department of Medicine, Indiana University School of Medicine, Indianapolis, IN
| | - Nyah Patel
- Division of Vascular and Endovascular Surgery, and Center for Vascular Biology Research, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
| | - Patric Liang
- Division of Vascular and Endovascular Surgery, and Center for Vascular Biology Research, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
| | - Christiane Ferran
- Division of Vascular and Endovascular Surgery, and Center for Vascular Biology Research, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA; Division of Nephrology and the Transplant Institute, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA.
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2
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Liu J, Xi Z, Fan C, Mei Y, Zhao J, Jiang Y, Zhao M, Xu L. Hydrogels for Nucleic Acid Drugs Delivery. Adv Healthc Mater 2024:e2401895. [PMID: 39152918 DOI: 10.1002/adhm.202401895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2024] [Revised: 07/05/2024] [Indexed: 08/19/2024]
Abstract
Nucleic acid drugs are one of the hot spots in the field of biomedicine in recent years, and play a crucial role in the treatment of many diseases. However, its low stability and difficulty in target drug delivery are the bottlenecks restricting its application. Hydrogels are proven to be promising for improving the stability of nucleic acid drugs, reducing the adverse effects of rapid degradation, sudden release, and unnecessary diffusion of nucleic acid drugs. In this review, the strategies of loading nucleic acid drugs in hydrogels are summarized for various biomedical research, and classify the mechanism principles of these strategies, including electrostatic binding, hydrogen bond based binding, hydrophobic binding, covalent bond based binding and indirect binding using various carriers. In addition, this review also describes the release strategies of nucleic acid drugs, including photostimulation-based release, enzyme-responsive release, pH-responsive release, and temperature-responsive release. Finally, the applications and future research directions of hydrogels for delivering nucleic acid drugs in the field of medicine are discussed.
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Affiliation(s)
- Jiaping Liu
- School of Pharmacy, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang, 110016, P. R. China
| | - Ziyue Xi
- School of Pharmacy, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang, 110016, P. R. China
| | - Chuanyong Fan
- School of Pharmacy, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang, 110016, P. R. China
| | - Yihua Mei
- School of Pharmacy, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang, 110016, P. R. China
| | - Jiale Zhao
- School of Pharmacy, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang, 110016, P. R. China
| | - Yingying Jiang
- School of Pharmacy, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang, 110016, P. R. China
| | - Ming Zhao
- School of Pharmacy, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang, 110016, P. R. China
| | - Lu Xu
- School of Pharmacy, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang, 110016, P. R. China
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Zhang J, Sun X, Heng Y, Zeng Y, Wang Y, Shen Y, Peng A, Tang W, Zeng M, Yu Z. Transforming Cell-Drug Interaction through Granular Hydrogel-Mediated Delivery of Polyplex Nanoparticles for Enhanced Safety and Extended Efficacy in Gene Therapy. ACS APPLIED MATERIALS & INTERFACES 2024; 16:39784-39795. [PMID: 39036892 DOI: 10.1021/acsami.4c05425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/23/2024]
Abstract
The utilization of hydrogels for DNA/cationic polymer polyplex nanoparticle (polyplex) delivery has significantly advanced gene therapy in tissue regeneration and cancer treatment. However, persistent challenges related to the efficacy and safety of encapsulated polyplexes, stemming from issues such as aggregation, degradation, or difficulties in controlled release during or postintegration with hydrogel scaffolds, necessitate further exploration. Here, we introduce an injectable gene therapy gel achieved by incorporating concentrated polyplexes onto densely packed hydrogel microparticles (HMPs). Polyplexes, when uniformly adhered to the gene therapy gel through reversible electrostatic interactions, can detach from the HMP surface in a controlled manner, contrasting with free polyplexes, and thereby reducing dose-dependent toxicity during transfection. Additionally, the integration of RGD cell adhesion peptides enhances the scaffolding characteristics of the gel, facilitating cell adhesion, migration, and further minimizing toxicity during gene drug administration. Notably, despite the overall transfection efficiency showing average performance, utilizing confocal microscopy to meticulously observe and analyze the cellular states infiltrating into various depths of the gene therapy gel resulted in the groundbreaking discovery of significantly enhanced local transfection efficiency, with primary cell transfection approaching 80%. This phenomenon could be potentially attributed to the granular hydrogel-mediated delivery of polyplex nanoparticles, which revolutionizes the spatial and temporal distribution and thus the "encounter" mode between polyplexes and cells. Moreover, the gene therapy gel's intrinsic injectability and self-healing properties offer ease of administration, making it a highly promising candidate as a novel gene transfection gel dressing with significant potential across various fields, including regenerative medicine and innovative living materials.
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Affiliation(s)
- Jing Zhang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, 30 Puzhu South Road, Nanjing 211816, P. R. China
| | - Ximeng Sun
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, 30 Puzhu South Road, Nanjing 211816, P. R. China
| | - Yongyuan Heng
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, 30 Puzhu South Road, Nanjing 211816, P. R. China
| | - Yunfeng Zeng
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, 30 Puzhu South Road, Nanjing 211816, P. R. China
| | - Yijia Wang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, 30 Puzhu South Road, Nanjing 211816, P. R. China
| | - Yu Shen
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, 30 Puzhu South Road, Nanjing 211816, P. R. China
| | - Anhui Peng
- Electric Power Branch, Huaibei Mining Co., Ltd, Huaibei 235000, P. R. China
| | - Wenzhe Tang
- Electric Power Branch, Huaibei Mining Co., Ltd, Huaibei 235000, P. R. China
| | - Ming Zeng
- Department of Dermatology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, P. R. China
- Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510000, P. R. China
| | - Ziyi Yu
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, 30 Puzhu South Road, Nanjing 211816, P. R. China
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4
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Song H, Hao D, Zhou J, Farmer D, Wang A. Development of pro-angiogenic skin substitutes for wound healing. Wound Repair Regen 2024; 32:208-216. [PMID: 38308588 DOI: 10.1111/wrr.13154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 11/13/2023] [Accepted: 12/12/2023] [Indexed: 02/05/2024]
Abstract
Wounds pose significant challenges to public health, primarily due to the loss of the mechanical integrity and barrier function of the skin and impaired angiogenesis, causing physical morbidities and psychological trauma to affect patients. Reconstructing the vasculature of the wound bed is crucial for promoting wound healing, reducing scar formation and enhancing the quality of life for patients. The development of pro-angiogenic skin substitutes has emerged as a promising strategy to facilitate vascularization and expedite the healing process of burn wounds. This review provides an overview of the various types of skin substitutes employed in wound healing, explicitly emphasising those designed to enhance angiogenesis. Synthetic scaffolds, biological matrices and tissue-engineered constructs incorporating stem cells and primary cells, cell-derived extracellular vesicles (EVs), pro-angiogenic growth factors and peptides, as well as gene therapy-based skin substitutes are thoroughly examined. The review summarises the existing challenges, future directions and potential innovations in pro-angiogenic dressing for skin substitutes. It highlights the need for continued research to develop new technologies and combine multiple strategies and factors, and to overcome obstacles and advance the field, ultimately leading to improved outcomes for wound patients.
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Affiliation(s)
- Hengyue Song
- Center for Surgical Bioengineering, Department of Surgery, UC Davis Health, Sacramento, California, USA
- Department of Burns and Plastic Surgery, The Third Xiangya Hospital of Central South University, Changsha, Hunan, People's Republic of China
- Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children, Sacramento, California, USA
| | - Dake Hao
- Center for Surgical Bioengineering, Department of Surgery, UC Davis Health, Sacramento, California, USA
- Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children, Sacramento, California, USA
| | - Jianda Zhou
- Department of Burns and Plastic Surgery, The Third Xiangya Hospital of Central South University, Changsha, Hunan, People's Republic of China
| | - Diana Farmer
- Center for Surgical Bioengineering, Department of Surgery, UC Davis Health, Sacramento, California, USA
- Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children, Sacramento, California, USA
| | - Aijun Wang
- Center for Surgical Bioengineering, Department of Surgery, UC Davis Health, Sacramento, California, USA
- Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children, Sacramento, California, USA
- Department of Biomedical Engineering, UC Davis, Davis, California, USA
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Kohar R, Ghosh M, Sawale JA, Singh A, Rangra NK, Bhatia R. Insights into Translational and Biomedical Applications of Hydrogels as Versatile Drug Delivery Systems. AAPS PharmSciTech 2024; 25:17. [PMID: 38253917 DOI: 10.1208/s12249-024-02731-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 12/20/2023] [Indexed: 01/24/2024] Open
Abstract
Hydrogels are a network of crosslinked polymers which can hold a huge amount of water in their matrix. These might be soft, flexible, and porous resembling living tissues. The incorporation of different biocompatible materials and nanostructures into the hydrogels has led to emergence of multifunctional hydrogels with advanced properties. There are broad applications of hydrogels such as tissue culture, drug delivery, tissue engineering, implantation, water purification, and dressings. Besides these, it can be utilized in the field of medical surgery, in biosensors, targeted drug delivery, and drug release. Similarly, hyaluronic acid hydrogels have vast applications in biomedicines such as cell delivery, drug delivery, molecule delivery, micropatterning in cellular biology for tissue engineering, diagnosis and screening of diseases, tissue repair and stem cell microencapsulation in case of inflammation, angiogenesis, and other biological developmental processes. The properties like swellability, de-swellability, biodegradability, biocompatibility, and inert nature of the hydrogels in contact with body fluids, blood, and tissues make its tremendous application in the field of modern biomedicines nowadays. Various modifications in hydrogel formulations have widened their therapeutic applicability. These include 3D printing, conjugation, thiolation, multiple anchoring, and reduction. Various hydrogel formulations are also capable of dual drug delivery, dental surgery, medicinal implants, bone diseases, and gene and stem cells delivery. The presented review summarizes the unique properties of hydrogels along with their methods of preparation and significant biomedical applications as well as different types of commercial products available in the market and the regulatory guidance.
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Affiliation(s)
- Ramesh Kohar
- Department of Pharmaceutical Analysis & Chemistry, ISF College of Pharmacy, Moga, Punjab, 142001, India
| | - Maitrayee Ghosh
- Department of Pharmaceutics, ISF College of Pharmacy, Moga, Punjab, 142001, India
| | - Jyotiram A Sawale
- Department of Pharmacognosy, Krishna Institute of Pharmacy, Krishna Vishwa Vidyapeeth (Deemed to Be University), Karad, 415539, Maharashtra, India
| | - Amandeep Singh
- Department of Pharmaceutics, ISF College of Pharmacy, Moga, Punjab, 142001, India
| | - Naresh Kumar Rangra
- Department of Pharmaceutical Analysis & Chemistry, ISF College of Pharmacy, Moga, Punjab, 142001, India
| | - Rohit Bhatia
- Department of Pharmaceutical Analysis & Chemistry, ISF College of Pharmacy, Moga, Punjab, 142001, India.
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Wan T, Zhang M, Jiang HR, Zhang YC, Zhang XM, Wang YL, Zhang PX. Tissue-Engineered Nanomaterials Play Diverse Roles in Bone Injury Repair. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13091449. [PMID: 37176994 PMCID: PMC10180507 DOI: 10.3390/nano13091449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 04/08/2023] [Accepted: 04/20/2023] [Indexed: 05/15/2023]
Abstract
Nanomaterials with bone-mimicking characteristics and easily internalized by the cell could create suitable microenvironments in which to regulate the therapeutic effects of bone regeneration. This review provides an overview of the current state-of-the-art research in developing and using nanomaterials for better bone injury repair. First, an overview of the hierarchical architecture from the macroscale to the nanoscale of natural bone is presented, as these bone tissue microstructures and compositions are the basis for constructing bone substitutes. Next, urgent clinical issues associated with bone injury that require resolution and the potential of nanomaterials to overcome them are discussed. Finally, nanomaterials are classified as inorganic or organic based on their chemical properties. Their basic characteristics and the results of related bone engineering studies are described. This review describes theoretical and technical bases for the development of innovative methods for repairing damaged bone and should inspire therapeutic strategies with potential for clinical applications.
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Affiliation(s)
- Teng Wan
- Department of Orthopedics and Trauma, Peking University People's Hospital, Beijing 100044, China
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Beijing 100044, China
- National Center for Trauma Medicine, Beijing 100044, China
| | - Meng Zhang
- Department of Orthopedics and Trauma, Peking University People's Hospital, Beijing 100044, China
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Beijing 100044, China
- National Center for Trauma Medicine, Beijing 100044, China
| | - Hao-Ran Jiang
- Department of Orthopedics and Trauma, Peking University People's Hospital, Beijing 100044, China
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Beijing 100044, China
- National Center for Trauma Medicine, Beijing 100044, China
| | - Yi-Chong Zhang
- Department of Orthopedics and Trauma, Peking University People's Hospital, Beijing 100044, China
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Beijing 100044, China
- National Center for Trauma Medicine, Beijing 100044, China
| | - Xiao-Meng Zhang
- Department of Orthopedics and Trauma, Peking University People's Hospital, Beijing 100044, China
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Beijing 100044, China
- National Center for Trauma Medicine, Beijing 100044, China
| | - Yi-Lin Wang
- Department of Orthopedics and Trauma, Peking University People's Hospital, Beijing 100044, China
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Beijing 100044, China
- National Center for Trauma Medicine, Beijing 100044, China
| | - Pei-Xun Zhang
- Department of Orthopedics and Trauma, Peking University People's Hospital, Beijing 100044, China
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Beijing 100044, China
- National Center for Trauma Medicine, Beijing 100044, China
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Matrices Activated with Messenger RNA. J Funct Biomater 2023; 14:jfb14010048. [PMID: 36662095 PMCID: PMC9864744 DOI: 10.3390/jfb14010048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 01/12/2023] [Accepted: 01/13/2023] [Indexed: 01/19/2023] Open
Abstract
Over two decades of preclinical and clinical experience have confirmed that gene therapy-activated matrices are potent tools for sustained gene modulation at the implantation area. Matrices activated with messenger RNA (mRNA) are the latest development in the area, and they promise an ideal combination of efficiency and safety. Indeed, implanted mRNA-activated matrices allow a sustained delivery of mRNA and the continuous production of therapeutic proteins in situ. In addition, they are particularly interesting to generate proteins acting on intracellular targets, as the translated protein can directly exert its therapeutic function. Still, mRNA-activated matrices are incipient technologies with a limited number of published records, and much is still to be understood before their successful implementation. Indeed, the design parameters of mRNA-activated matrices are crucial for their performance, as they affect mRNA stability, device immunogenicity, translation efficiency, and the duration of the therapy. Critical design factors include matrix composition and its mesh size, mRNA chemical modification and sequence, and the characteristics of the nanocarriers used for mRNA delivery. This review aims to provide some background relevant to these technologies and to summarize both the design space for mRNA-activated matrices and the current knowledge regarding their pharmaceutical performance. Furthermore, we will discuss potential applications of mRNA-activated matrices, mainly focusing on tissue engineering and immunomodulation.
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Tuning Peptide-Based Hydrogels: Co-Assembly with Composites Driving the Highway to Technological Applications. Int J Mol Sci 2022; 24:ijms24010186. [PMID: 36613630 PMCID: PMC9820439 DOI: 10.3390/ijms24010186] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 12/16/2022] [Accepted: 12/20/2022] [Indexed: 12/25/2022] Open
Abstract
Self-assembled peptide-based gels provide several advantages for technological applications. Recently, the co-assembly of gelators has been a strategy to modulate and tune gel properties and even implement stimuli-responsiveness. However, it still comprises limitations regarding the required library of compounds and outcoming properties. Hence, efforts have been made to combine peptide-based gels and (in)organic composites (e.g., magnetic nanoparticles, metal nanoparticles, liposomes, graphene, silica, clay, titanium dioxide, cadmium sulfide) to endow stimuli-responsive materials and achieve suitable properties in several fields ranging from optoelectronics to biomedical. Herein, we discuss the recent developments with composite peptide-based gels including the fabrication, tunability of gels' properties, and challenges on (bio)technological applications.
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Chotera‐Ouda A, Jeziorna A, Kaźmierski S, Dolot R, Dudek MK, Potrzebowski MJ. “Crystal memory” Affects the Properties of Peptide Hydrogels – The Case of the Cyclic Tyr‐Tyr dipeptide. Chemistry 2022; 28:e202202005. [DOI: 10.1002/chem.202202005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Indexed: 12/23/2022]
Affiliation(s)
- Agata Chotera‐Ouda
- Centre of Molecular and Macromolecular Studies Polish Academy of Sciences Sienkiewicza 112 90-363 Lodz Poland
| | - Agata Jeziorna
- Centre of Molecular and Macromolecular Studies Polish Academy of Sciences Sienkiewicza 112 90-363 Lodz Poland
- Lodz Institute of Technology Łukasiewicz Research Network M. Sklodowskiej-Curie 19/27 90-570 Lodz Poland
| | - Sławomir Kaźmierski
- Centre of Molecular and Macromolecular Studies Polish Academy of Sciences Sienkiewicza 112 90-363 Lodz Poland
| | - Rafał Dolot
- Centre of Molecular and Macromolecular Studies Polish Academy of Sciences Sienkiewicza 112 90-363 Lodz Poland
| | - Marta K. Dudek
- Centre of Molecular and Macromolecular Studies Polish Academy of Sciences Sienkiewicza 112 90-363 Lodz Poland
| | - Marek J. Potrzebowski
- Centre of Molecular and Macromolecular Studies Polish Academy of Sciences Sienkiewicza 112 90-363 Lodz Poland
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Cohen SA, Bar-Am O, Fuoco C, Saar G, Gargioli C, Seliktar D. In vivo restoration of dystrophin expression in mdx mice using intra-muscular and intra-arterial injections of hydrogel microsphere carriers of exon skipping antisense oligonucleotides. Cell Death Dis 2022; 13:779. [PMID: 36085138 PMCID: PMC9463190 DOI: 10.1038/s41419-022-05166-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 08/01/2022] [Accepted: 08/05/2022] [Indexed: 01/21/2023]
Abstract
Duchenne muscular dystrophy (DMD) is a genetic disease caused by a mutation in the X-linked Dytrophin gene preventing the expression of the functional protein. Exon skipping therapy using antisense oligonucleotides (AONs) is a promising therapeutic strategy for DMD. While benefits of AON therapy have been demonstrated, some challenges remain before this strategy can be applied more comprehensively to DMD patients. These include instability of AONs due to low nuclease resistance and poor tissue uptake. Delivery systems have been examined to improve the availability and stability of oligonucleotide drugs, including polymeric carriers. Previously, we showed the potential of a hydrogel-based polymeric carrier in the form of injectable PEG-fibrinogen (PF) microspheres for delivery of chemically modified 2'-O-methyl phosphorothioate (2OMePs) AONs. The PF microspheres proved to be cytocompatible and provided sustained release of the AONs for several weeks, causing increased cellular uptake in mdx dystrophic mouse cells. Here, we further investigated this delivery strategy by examining in vivo efficacy of this approach. The 2OMePS/PEI polyplexes loaded in PF microspheres were delivered by intramuscular (IM) or intra-femoral (IF) injections. We examined the carrier biodegradation profiles, AON uptake efficiency, dystrophin restoration, and muscle histopathology. Both administration routes enhanced dystrophin restoration and improved the histopathology of the mdx mice muscles. The IF administration of the microspheres improved the efficacy of the 2OMePS AONs over the IM administration. This was demonstrated by a higher exon skipping percentage and a smaller percentage of centered nucleus fibers (CNF) found in H&E-stained muscles. The restoration of dystrophin expression found for both IM and IF treatments revealed a reduced dystrophic phenotype of the treated muscles. The study concludes that injectable PF microspheres can be used as a carrier system to improve the overall therapeutic outcomes of exon skipping-based therapy for treating DMD.
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Affiliation(s)
- Shani Attias Cohen
- grid.6451.60000000121102151Faculty of Biomedical Engineering, Technion–Israel Institute of Technology, Haifa, Israel
| | - Orit Bar-Am
- grid.6451.60000000121102151Faculty of Biomedical Engineering, Technion–Israel Institute of Technology, Haifa, Israel
| | - Claudia Fuoco
- grid.6530.00000 0001 2300 0941Department of Biology, Rome University Tor Vergata, Rome, Italy
| | - Galit Saar
- grid.6451.60000000121102151Biomedical Core Facility, Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel
| | - Cesare Gargioli
- grid.6530.00000 0001 2300 0941Department of Biology, Rome University Tor Vergata, Rome, Italy
| | - Dror Seliktar
- grid.6451.60000000121102151Faculty of Biomedical Engineering, Technion–Israel Institute of Technology, Haifa, Israel
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Giselbrecht J, Pinnapireddy SR, Alioglu F, Sami H, Sedding D, Erdmann F, Janich C, Schulz-Siegmund M, Ogris M, Bakowsky U, Langner A, Bussmann J, Wölk C. Investigating 3R In Vivo Approaches for Bio-Distribution and Efficacy Evaluation of Nucleic Acid Nanocarriers: Studies on Peptide-Mimicking Ionizable Lipid. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2107768. [PMID: 35355412 DOI: 10.1002/smll.202107768] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 02/10/2022] [Indexed: 06/14/2023]
Abstract
Formulations based on ionizable amino-lipids have been put into focus as nucleic acid delivery systems. Recently, the in vitro efficacy of the lipid formulation OH4:DOPE has been explored. However, in vitro performance of nanomedicines cannot correctly predict in vivo efficacy, thereby considerably limiting pre-clinical translation. This is further exacerbated by limited access to mammalian models. The present work proposes to close this gap by investigating in vivo nucleic acid delivery within simpler models, but which still offers physiologically complex environments and also adheres to the 3R guidelines (replace/reduce/refine) to improve animal experiments. The efficacy of OH4:DOPE as a delivery system for nucleic acids is demonstrated using in vivo approaches. It is shown that the formulation is able to transfect complex tissues using the chicken chorioallantoic membrane model. The efficacy of DNA and mRNA lipoplexes is tested extensively in the zebra fish (Danio rerio) embryo which allows the screening of biodistribution and transfection efficiency. Effective transfection of blood vessel endothelial cells is seen, especially in the endocardium. Both model systems allow an efficacy screening according to the 3R guidelines bypassing the in vitro-in vivo gap. Pilot studies in mice are performed to correlate the efficacy of in vivo transfection.
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Affiliation(s)
- Julia Giselbrecht
- Department of Medicinal Chemistry/Department of Pharmacology, Institute of Pharmacy Martin Luther University Halle-Wittenberg, Wolfgang-Langenbeck-Str. 4, 06120, Halle (Saale), Germany
| | - Shashank Reddy Pinnapireddy
- Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Robert-Koch-Str. 4, 35037, Marburg, Germany
- CSL Behring Innovation GmbH, Emil-von-Behring-Str. 76, 35041, Marburg, Germany
| | - Fatih Alioglu
- Faculty of Life Sciences, Department of Pharmaceutical Sciences, Laboratory of MacroMolecular Cancer Therapeutics (MMCT), University of Vienna, Althanstrasse 14, Vienna, 1090, Austria
| | - Haider Sami
- Faculty of Life Sciences, Department of Pharmaceutical Sciences, Laboratory of MacroMolecular Cancer Therapeutics (MMCT), University of Vienna, Althanstrasse 14, Vienna, 1090, Austria
| | - Daniel Sedding
- Internal Medicine III, Medical Faculty of Martin Luther University Halle-Wittenberg, Ernst-Grube-Str. 40, 06120, Halle (Saale), Germany
| | - Frank Erdmann
- Department of Medicinal Chemistry/Department of Pharmacology, Institute of Pharmacy Martin Luther University Halle-Wittenberg, Wolfgang-Langenbeck-Str. 4, 06120, Halle (Saale), Germany
| | - Christopher Janich
- Department of Medicinal Chemistry/Department of Pharmacology, Institute of Pharmacy Martin Luther University Halle-Wittenberg, Wolfgang-Langenbeck-Str. 4, 06120, Halle (Saale), Germany
| | - Michaela Schulz-Siegmund
- Pharmaceutical Technology, Medical Faculty, University Leipzig, Eilenburger Straße 15a, 04317, Leipzig, Germany
| | - Manfred Ogris
- Faculty of Life Sciences, Department of Pharmaceutical Sciences, Laboratory of MacroMolecular Cancer Therapeutics (MMCT), University of Vienna, Althanstrasse 14, Vienna, 1090, Austria
| | - Udo Bakowsky
- Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Robert-Koch-Str. 4, 35037, Marburg, Germany
| | - Andreas Langner
- Department of Medicinal Chemistry/Department of Pharmacology, Institute of Pharmacy Martin Luther University Halle-Wittenberg, Wolfgang-Langenbeck-Str. 4, 06120, Halle (Saale), Germany
| | - Jeroen Bussmann
- Division of BioTherapeutics, Leiden Academic Center for Drug Research, Leiden University, Einsteinweg 55, Leiden, 2333 CC, The Netherlands
| | - Christian Wölk
- Pharmaceutical Technology, Medical Faculty, University Leipzig, Eilenburger Straße 15a, 04317, Leipzig, Germany
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12
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Development of a fibrin-mediated gene delivery system for the treatment of cystinosis via design of experiment. Sci Rep 2022; 12:3752. [PMID: 35260693 PMCID: PMC8904479 DOI: 10.1038/s41598-022-07750-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 02/11/2022] [Indexed: 11/23/2022] Open
Abstract
Cystinosis is a rare disease, caused by a mutation in the gene cystinosin and characterised by the accumulation of cystine crystals. Advantages of biomaterial-mediated gene delivery include reduced safety concerns and the possibility to cure organs that are difficult to treat using systemic gene transfer methods. This study developed novel fibrin hydrogels for controlled, localised gene delivery, for the treatment of cystinosis. In the first part, fabrication parameters (i.e., DNA, thrombin, and aprotinin concentrations) were optimised, using a Design of Experiment (DOE) methodology. DOE is a statistical engineering approach to process optimisation, which increases experimental efficiency, reduces the number of experiments, takes into consideration interactions between different parameters, and allows the creation of predictive models. This study demonstrated the utility of DOE to the development of gene delivery constructs. In the second part of the study, primary fibroblasts from a patient with cystinosis were seeded on the biomaterials. Seeded cells expressed the recombinant CTNS and showed a decrease in cystine content. Furthermore, conditioned media contained functional copies of the recombinant CTNS. These were taken up by monolayer cultures of non-transfected cells. This study described a methodology to develop gene delivery constructs by using a DOE approach and ultimately provided new insights into the treatment of cystinosis.
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13
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Attias Cohen S, Simaan-Yameen H, Fuoco C, Gargioli C, Seliktar D. Injectable hydrogel microspheres for sustained gene delivery of antisense oligonucleotides to restore the expression of dystrophin protein in duchenne muscular dystrophy. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111038] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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14
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Kurt E, Segura T. Nucleic Acid Delivery from Granular Hydrogels. Adv Healthc Mater 2022; 11:e2101867. [PMID: 34742164 PMCID: PMC8810690 DOI: 10.1002/adhm.202101867] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 10/29/2021] [Indexed: 02/03/2023]
Abstract
Nucleic acid delivery has applications ranging from tissue engineering to vaccine development to infectious disease. Cationic polymer condensed nucleic acids are used with surface-coated porous scaffolds and are able to promote long-term gene expression. However, due to surface loading of the scaffold, there is a limit to the amount of nucleic acid that can be loaded, resulting in decreasing expression rate over time. In addition, surface-coated scaffolds are generally non-injectable. Here, it is demonstrated that cationic polymer condensed nucleic acids can be effectively loaded into injectable granular hydrogel scaffolds by stabilizing the condensed nucleic acid into a lyophilized powder, loading the powder into a bulk hydrogel, and then fragmenting the loaded hydrogel. The resulting hydrogel microparticles contain non-aggregated nucleic acid particles, can be annealed post-injection to result in an injectable microporous hydrogel, and can effectively deliver nucleic acids to embedded cells with a constant expression rate. Due to the nature of granular hydrogels, it is demonstrated that mixtures of loaded and unloaded particles and spatially resolved gene expression can be easily achieved. The ability to express genes long term from an injectable porous hydrogel will further open the applications of nucleic acid delivery.
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Affiliation(s)
- Evan Kurt
- Department of Biomedical Engineering, Duke University, Durham, NC
| | - Tatiana Segura
- Department of Biomedical Engineering, Duke University, Durham, NC
- Departments Neurology and Dermatology, Duke University, Durham, NC
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15
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El-Husseiny HM, Mady EA, Hamabe L, Abugomaa A, Shimada K, Yoshida T, Tanaka T, Yokoi A, Elbadawy M, Tanaka R. Smart/stimuli-responsive hydrogels: Cutting-edge platforms for tissue engineering and other biomedical applications. Mater Today Bio 2022; 13:100186. [PMID: 34917924 PMCID: PMC8669385 DOI: 10.1016/j.mtbio.2021.100186] [Citation(s) in RCA: 102] [Impact Index Per Article: 51.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 11/14/2021] [Accepted: 12/08/2021] [Indexed: 02/07/2023] Open
Abstract
Recently, biomedicine and tissue regeneration have emerged as great advances that impacted the spectrum of healthcare. This left the door open for further improvement of their applications to revitalize the impaired tissues. Hence, restoring their functions. The implementation of therapeutic protocols that merge biomimetic scaffolds, bioactive molecules, and cells plays a pivotal role in this track. Smart/stimuli-responsive hydrogels are remarkable three-dimensional (3D) bioscaffolds intended for tissue engineering and other biomedical purposes. They can simulate the physicochemical, mechanical, and biological characters of the innate tissues. Also, they provide the aqueous conditions for cell growth, support 3D conformation, provide mechanical stability for the cells, and serve as potent delivery matrices for bioactive molecules. Many natural and artificial polymers were broadly utilized to design these intelligent platforms with novel advanced characteristics and tailored functionalities that fit such applications. In the present review, we highlighted the different types of smart/stimuli-responsive hydrogels with emphasis on their synthesis scheme. Besides, the mechanisms of their responsiveness to different stimuli were elaborated. Their potential for tissue engineering applications was discussed. Furthermore, their exploitation in other biomedical applications as targeted drug delivery, smart biosensors, actuators, 3D and 4D printing, and 3D cell culture were outlined. In addition, we threw light on smart self-healing hydrogels and their applications in biomedicine. Eventually, we presented their future perceptions in biomedical and tissue regeneration applications. Conclusively, current progress in the design of smart/stimuli-responsive hydrogels enhances their prospective to function as intelligent, and sophisticated systems in different biomedical applications.
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Affiliation(s)
- Hussein M. El-Husseiny
- Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo, 1838509, Japan
- Department of Surgery, Anesthesiology, and Radiology, Faculty of Veterinary Medicine, Benha University, Moshtohor, Toukh, Elqaliobiya, 13736, Egypt
| | - Eman A. Mady
- Department of Animal Hygiene, Behavior and Management, Faculty of Veterinary Medicine, Benha University, Moshtohor, Toukh, Elqaliobiya, 13736, Egypt
| | - Lina Hamabe
- Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo, 1838509, Japan
| | - Amira Abugomaa
- Faculty of Veterinary Medicine, Mansoura University, Mansoura, Dakahliya, 35516, Egypt
| | - Kazumi Shimada
- Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo, 1838509, Japan
- Division of Research Animal Laboratory and Translational Medicine, Research and Development Center, Osaka Medical College, 2-7 Daigaku-machi, Takatsuki City, Osaka, 569-8686, Japan
| | - Tomohiko Yoshida
- Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo, 1838509, Japan
| | - Takashi Tanaka
- Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo, 1838509, Japan
| | - Aimi Yokoi
- Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo, 1838509, Japan
| | - Mohamed Elbadawy
- Department of Pharmacology, Faculty of Veterinary Medicine, Benha University, Moshtohor, Toukh, Elqaliobiya, 13736, Egypt
| | - Ryou Tanaka
- Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo, 1838509, Japan
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16
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Ansar R, Saqib S, Mukhtar A, Niazi MBK, Shahid M, Jahan Z, Kakar SJ, Uzair B, Mubashir M, Ullah S, Khoo KS, Lim HR, Show PL. Challenges and recent trends with the development of hydrogel fiber for biomedical applications. CHEMOSPHERE 2022; 287:131956. [PMID: 34523459 DOI: 10.1016/j.chemosphere.2021.131956] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 08/12/2021] [Accepted: 08/18/2021] [Indexed: 06/13/2023]
Abstract
Hydrogel is the most emblematic soft material which possesses significantly tunable and programmable characteristics. Polymer hydrogels possess significant advantages including, biocompatible, simple, reliable and low cost. Therefore, research on the development of hydrogel for biomedical applications has been grown intensely. However, hydrogel development is challenging and required significant effort before the application at an industrial scale. Therefore, the current work focused on evaluating recent trends and issues with hydrogel development for biomedical applications. In addition, the hydrogel's development methodology, physicochemical properties, and biomedical applications are evaluated and benchmarked against the reported literature. Later, biomedical applications of the nano-cellulose-based hydrogel are considered and critically discussed. Based on a detailed review, it has been found that the surface energy, intermolecular interactions, and interactions of hydrogel adhesion forces are major challenges that contribute to the development of hydrogel. In addition, compared to other hydrogels, nanocellulose hydrogels demonstrated higher potential for drug delivery, 3D cell culture, diagnostics, tissue engineering, tissue therapies and gene therapies. Overall, nanocellulose hydrogel has the potential for commercialization for different biomedical applications.
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Affiliation(s)
- Reema Ansar
- Department of Chemical Engineering, University of Gujrat, 50700, Pakistan.
| | - Sidra Saqib
- Department of Chemical Engineering, COMSATS University Islamabad, Lahore Campus, 54000, Lahore, Pakistan.
| | - Ahmad Mukhtar
- Department of Chemical Engineering, NFC Institute of Engineering and Fertilizer Research, Jaranwala Road, 38000, Faisalabad, Pakistan.
| | - Muhammad Bilal Khan Niazi
- School of Chemical and Materials Engineering, National University of Sciences and Technology, Islamabad, Pakistan.
| | - Muhammad Shahid
- Department of Bioinformatics and Biotechnology, Government College University, Faisalabad, 38000, Pakistan.
| | - Zaib Jahan
- School of Chemical and Materials Engineering, National University of Sciences and Technology, Islamabad, Pakistan.
| | - Salik Javed Kakar
- Department of Healthcare Biotechnology, Atta-ur-Rahman School of Applied Biosciences (ASAB), National University of Sciences and Technology (NUST), Sector H-12, Islamabad, Pakistan.
| | - Bushra Uzair
- Department of Biological Sciences, International Islamic University Islamabad, Islamabad, Pakistan.
| | - Muhammad Mubashir
- Department of Petroleum Engineering, School of Engineering, Asia Pacific University of Technology and Innovation, 57000, Kuala Lumpur, Malaysia.
| | - Sami Ullah
- Department of Chemistry, College of Science, King Khalid University, Abha, Saudi Arabia.
| | - Kuan Shiong Khoo
- Department of Chemical and Environmental Engineering, Faculty Science and Engineering, University of Nottingham, Malaysia, 43500, Semenyih, Selangor Darul Ehsan, Malaysia.
| | - Hooi Ren Lim
- Department of Chemical and Environmental Engineering, Faculty Science and Engineering, University of Nottingham, Malaysia, 43500, Semenyih, Selangor Darul Ehsan, Malaysia.
| | - Pau Loke Show
- Department of Chemical and Environmental Engineering, Faculty Science and Engineering, University of Nottingham, Malaysia, 43500, Semenyih, Selangor Darul Ehsan, Malaysia.
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17
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The biological applications of DNA nanomaterials: current challenges and future directions. Signal Transduct Target Ther 2021; 6:351. [PMID: 34620843 PMCID: PMC8497566 DOI: 10.1038/s41392-021-00727-9] [Citation(s) in RCA: 98] [Impact Index Per Article: 32.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 06/24/2021] [Accepted: 07/30/2021] [Indexed: 02/08/2023] Open
Abstract
DNA, a genetic material, has been employed in different scientific directions for various biological applications as driven by DNA nanotechnology in the past decades, including tissue regeneration, disease prevention, inflammation inhibition, bioimaging, biosensing, diagnosis, antitumor drug delivery, and therapeutics. With the rapid progress in DNA nanotechnology, multitudinous DNA nanomaterials have been designed with different shape and size based on the classic Watson-Crick base-pairing for molecular self-assembly. Some DNA materials could functionally change cell biological behaviors, such as cell migration, cell proliferation, cell differentiation, autophagy, and anti-inflammatory effects. Some single-stranded DNAs (ssDNAs) or RNAs with secondary structures via self-pairing, named aptamer, possess the ability of targeting, which are selected by systematic evolution of ligands by exponential enrichment (SELEX) and applied for tumor targeted diagnosis and treatment. Some DNA nanomaterials with three-dimensional (3D) nanostructures and stable structures are investigated as drug carrier systems to delivery multiple antitumor medicine or gene therapeutic agents. While the functional DNA nanostructures have promoted the development of the DNA nanotechnology with innovative designs and preparation strategies, and also proved with great potential in the biological and medical use, there is still a long way to go for the eventual application of DNA materials in real life. Here in this review, we conducted a comprehensive survey of the structural development history of various DNA nanomaterials, introduced the principles of different DNA nanomaterials, summarized their biological applications in different fields, and discussed the current challenges and further directions that could help to achieve their applications in the future.
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18
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Spatially-directed angiogenesis using ultrasound-controlled release of basic fibroblast growth factor from acoustically-responsive scaffolds. Acta Biomater 2021; 129:73-83. [PMID: 33964480 DOI: 10.1016/j.actbio.2021.04.048] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 04/06/2021] [Accepted: 04/26/2021] [Indexed: 02/06/2023]
Abstract
Vascularization is a critical step following implantation of an engineered tissue construct in order to maintain its viability. The ability to spatially pattern or direct vascularization could be therapeutically beneficial for anastomosis and vessel in-growth. However, acellular and cell-based strategies to stimulate vascularization typically do not afford this control. We have developed an ultrasound-based method of spatially- controlling regenerative processes using acellular, composite hydrogels termed acoustically-responsive scaffolds (ARSs). An ARS consists of a fibrin matrix doped with a phase-shift double emulsion (PSDE). A therapeutic payload, which is initially contained within the PSDE, is released by an ultrasound-mediated process called acoustic droplet vaporization (ADV). During ADV, the perfluorocarbon (PFC) phase within the PSDE is vaporized into a gas bubble. In this study, we generated ex situ four different spatial patterns of ADV within ARSs containing basic fibroblast growth factor (bFGF), which were subcutaneously implanted in mice. The PFC species within the PSDE significantly affected the morphology of the ARS, based on the stability of the gas bubble generated by ADV, which impacted host cell migration. Irrespective of PFC, significantly greater cell proliferation (i.e., up to 2.9-fold) and angiogenesis (i.e., up to 3.7-fold) were observed adjacent to +ADV regions of the ARSs compared to -ADV regions. The morphology of the PSDE, macrophage infiltration, and perfusion in the implant region were also quantified. These results demonstrate that spatially-defined patterns of ADV within an ARS can elicit spatially-defined patterns of angiogenesis. Overall, these finding can be applied to improve strategies for spatially-controlling vascularization. STATEMENT OF SIGNIFICANCE: Vascularization is a critical step following implantation of an engineered tissue. The ability to spatially pattern or direct vascularization could be therapeutically beneficial for inosculation and vessel in-growth. However, acellular and cell-based strategies to stimulate vascularization typically do not afford this control. We have developed an ultrasound-based method of spatially-controlling angiogenesis using acellular, composite hydrogels termed acoustically-responsive scaffolds (ARSs). An ARS consists of a fibrin matrix doped with a phase-shift double emulsion (PSDE). An ultrasound-mediated process called acoustic droplet vaporization (ADV) was used to release basic fibroblast growth factor (bFGF), which was initially contained within the PSDE. We demonstrate that spatially-defined patterns of ADV within an ARS can elicit spatially-defined patterns of angiogenesis in vivo. Overall, these finding can improve strategies for spatially-controlling vascularization.
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19
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Patiño MI, Restrepo LM, Becerra NY, van der Mei HC, van Kooten TG, Sharma PK. Nonviral Expression of LL-37 in a Human Skin Equivalent to Prevent Infection in Skin Wounds. Hum Gene Ther 2021; 32:1147-1157. [PMID: 33980038 DOI: 10.1089/hum.2021.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Inefficient autologous tissue recovery in skin wounds increases the susceptibility of patients to infections caused by multidrug resistant microorganisms, resulting in a high mortality rate. Genetic modification of skin cells has become an important field of study because it could lead to the construction of more functional skin grafts, through the overexpression of antimicrobial peptides that would prevent early contamination and infection with bacteria. In this study, we produce and evaluate human skin equivalents (HSEs) containing transfected human primary fibroblasts and keratinocytes by polyplexes to express the antimicrobial peptide LL-37. The effect of LL-37 on the metabolic activity of normal HSEs was evaluated before the construction of the transfected HSEs, and the antimicrobial efficacy against Pseudomonas aeruginosa and Staphylococcus aureus was evaluated. Subsequently, the levels of LL-37 in the culture supernatants of transfected HSEs, as well as the local expression, were determined. It was found that LL-37 treatment significantly promoted the cellular proliferation of HSEs. Furthermore, HSEs that express elevated levels of LL-37 were shown to possess histological characteristics close to the normal skin and display enhanced antimicrobial activity against S. aureus in vitro. These findings demonstrate that HSEs expressing LL-37 through nonviral modification of skin cells are a promising approach for the prevention of bacterial colonization in wounds.
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Affiliation(s)
- Maria Isabel Patiño
- Tissue Engineering and Cell Therapy Group, Faculty of Medicine, University of Antioquia, Medellín, Colombia.,Department of Biomedical Engineering, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Luz Marina Restrepo
- Tissue Engineering and Cell Therapy Group, Faculty of Medicine, University of Antioquia, Medellín, Colombia
| | - Natalia Yiset Becerra
- Tissue Engineering and Cell Therapy Group, Faculty of Medicine, University of Antioquia, Medellín, Colombia
| | - Henny C van der Mei
- Department of Biomedical Engineering, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Theo G van Kooten
- Department of Biomedical Engineering, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Prashant K Sharma
- Department of Biomedical Engineering, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
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20
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Graceffa V. Physical and mechanical cues affecting biomaterial-mediated plasmid DNA delivery: insights into non-viral delivery systems. J Genet Eng Biotechnol 2021; 19:90. [PMID: 34142237 PMCID: PMC8211807 DOI: 10.1186/s43141-021-00194-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 06/09/2021] [Indexed: 12/17/2022]
Abstract
BACKGROUND Whilst traditional strategies to increase transfection efficiency of non-viral systems aimed at modifying the vector or the polyplexes/lipoplexes, biomaterial-mediated gene delivery has recently sparked increased interest. This review aims at discussing biomaterial properties and unravelling underlying mechanisms of action, for biomaterial-mediated gene delivery. DNA internalisation and cytoplasmic transport are initially discussed. DNA immobilisation, encapsulation and surface-mediated gene delivery (SMD), the role of extracellular matrix (ECM) and topographical cues, biomaterial stiffness and mechanical stimulation are finally outlined. MAIN TEXT Endocytic pathways and mechanisms to escape the lysosomal network are highly variable. They depend on cell and DNA complex types but can be diverted using appropriate biomaterials. 3D scaffolds are generally fabricated via DNA immobilisation or encapsulation. Degradation rate and interaction with the vector affect temporal patterns of DNA release and transgene expression. In SMD, DNA is instead coated on 2D surfaces. SMD allows the incorporation of topographical cues, which, by inducing cytoskeletal re-arrangements, modulate DNA endocytosis. Incorporation of ECM mimetics allows cell type-specific transfection, whereas in spite of discordances in terms of optimal loading regimens, it is recognised that mechanical loading facilitates gene transfection. Finally, stiffer 2D substrates enhance DNA internalisation, whereas in 3D scaffolds, the role of stiffness is still dubious. CONCLUSION Although it is recognised that biomaterials allow the creation of tailored non-viral gene delivery systems, there still are many outstanding questions. A better characterisation of endocytic pathways would allow the diversion of cell adhesion processes and cytoskeletal dynamics, in order to increase cellular transfection. Further research on optimal biomaterial mechanical properties, cell ligand density and loading regimens is limited by the fact that such parameters influence a plethora of other different processes (e.g. cellular adhesion, spreading, migration, infiltration, and proliferation, DNA diffusion and release) which may in turn modulate gene delivery. Only a better understanding of these processes may allow the creation of novel robust engineered systems, potentially opening up a whole new area of biomaterial-guided gene delivery for non-viral systems.
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Affiliation(s)
- Valeria Graceffa
- Cellular Health and Toxicology Research Group (CHAT), Institute of Technology Sligo, Ash Ln, Bellanode, Sligo, Ireland.
- Department of Life Sciences, Institute of Technology Sligo, Ash Ln, Bellanode, Sligo, Ireland.
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21
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Biotherapeutic-loaded injectable hydrogels as a synergistic strategy to support myocardial repair after myocardial infarction. J Control Release 2021; 335:216-236. [PMID: 34022323 DOI: 10.1016/j.jconrel.2021.05.023] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 05/16/2021] [Accepted: 05/18/2021] [Indexed: 12/18/2022]
Abstract
Myocardial infarction (MI) has been considered as the leading cause of cardiovascular-related deaths worldwide. Although traditional therapeutic agents including various bioactive species such as growth factors, stem cells, and nucleic acids have demonstrated somewhat usefulness for the restoration of cardiac functions, the therapeutic efficiency remains unsatisfactory most likely due to the off-target-associated side effects and low localized retention of the used therapeutic agents in the infarcted myocardium, which constitutes a substantial barrier for the effective treatment of MI. Injectable hydrogels are regarded as a minimally invasive technology that can overcome the clinical and surgical limitations of traditional stenting by a modulated sol-gel transition and localized transport of a variety of encapsulated cargoes, leading to enhanced therapeutic efficiency and improved patient comfort and compliance. However, the design of injectable hydrogels for myocardial repair and the mechanism of action of bioactive substance-loaded hydrogels for MI repair remain unclear. To elucidate these points, we summarized the recent progresses made on the use of injectable hydrogels for encapsulation of various therapeutic substances for MI treatment with an emphasis on the mechanism of action of hydrogel systems for myocardial repair. Specifically, the pathogenesis of MI and the rational design of injectable hydrogels for myocardial repair were presented. Next, the mechanisms of various biotherapeutic substance-loaded injectable hydrogels for myocardial repair was discussed. Finally, the potential challenges and future prospects for the use of injectable hydrogels for MI treatment were proposed for the purpose of drawing theoretical guidance on the development of novel therapeutic strategies for efficient treatment of MI.
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22
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Pattanashetti NA, Torvi AI, Shettar AK, Gai PB, Kariduraganavar MY. Polysaccharides as Novel Materials for Tissue Engineering Applications. POLYSACCHARIDES 2021. [DOI: 10.1002/9781119711414.ch14] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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23
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Akbari V, Rezazadeh M, Hanaie NS, Hasanzadeh F. Preparation and in vitro characterization of histidine trimethyl chitosan conjugated nanocomplex incorporated into injectable thermosensitive hydrogels for localized gene delivery. Biotechnol Appl Biochem 2021; 69:1047-1057. [PMID: 33878804 DOI: 10.1002/bab.2175] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 04/03/2021] [Indexed: 02/06/2023]
Abstract
Localized and sustained delivery of DNA using biomaterial scaffolds would increase the applicability of gene therapy in cancer treatment and tissue engineering. The most promising approach is the application of hydrogel scaffolds to encapsulate and deliver DNA in the form of nanocomplex to the target sites. In the present work, histidine conjugated trimethylated chitosan (HTMC) was synthesized and nanocomplexes fabricated with pDNA at different N/P ratios. The zeta potential and size of the HTMC/pDNA nanoparticles were determined using dynamic light scattering technique and the results were confirmed by scanning electron microscopy (SEM). The morphology of the nanoparticles was found spherical in shape having core-shell nanostructure. Based on gel retardation assay, polyplex dissociation following incubation with heparin, protection against DNase Ι, cytotoxicity and transfection experiments, HTMC/pDNA at N/P 15 was selected as an optimized formulation and loaded into CTS/PF127 and HA/PF127 hydrogel. The optimized HTMC/pDNA nanocomplex was homogenously distributed in the CTS/PF127 hydrogel. Transfection experiments were carried out on HEK293T cell lines and the results revealed that HTMC/pDNA complexes are stable and active inside the hydrogel, however, the transfection efficacy was decreased after incorporation into the hydrogel.
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Affiliation(s)
- Vajihe Akbari
- Department of Pharmaceutical Biotechnology, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mahboubeh Rezazadeh
- Department of Pharmaceutics and Novel Drug Delivery System Research Center, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Narges Seyed Hanaie
- Department of Pharmaceutics and Novel Drug Delivery System Research Center, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Farshid Hasanzadeh
- Department of Medical chemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
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24
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Dehshahri A, Kumar A, Madamsetty VS, Uzieliene I, Tavakol S, Azedi F, Fekri HS, Zarrabi A, Mohammadinejad R, Thakur VK. New Horizons in Hydrogels for Methotrexate Delivery. Gels 2020; 7:2. [PMID: 33396629 PMCID: PMC7839000 DOI: 10.3390/gels7010002] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 12/14/2020] [Accepted: 12/21/2020] [Indexed: 12/24/2022] Open
Abstract
Since its first clinical application, methotrexate (MTX) has been widely used for the treatment of human diseases. Despite great advantages, some properties such as poor absorption, short plasma half-life and unpredictable bioavailability have led researchers to seek novel delivery systems to improve its characteristics for parenteral and oral administration. Recently, great attention has been directed to hydrogels for the preparation of MTX formulations. This review describes the potential of hydrogels for the formulation of MTX to treat cancer, rheumatoid arthritis, psoriasis and central nervous system diseases. We will delineate the state-of-the-art and promising potential of hydrogels for systemic MTX delivery as well as transdermal delivery of the drug-using hydrogel-based formulations.
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Affiliation(s)
- Ali Dehshahri
- Center for Nanotechnology in Drug Delivery, Shiraz University of Medical Sciences, Shiraz 7146864685, Iran;
| | - Anuj Kumar
- School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan 38541, Korea;
| | - Vijay Sagar Madamsetty
- Department of Biochemistry and Molecular Biology, Mayo Clinic College of Medicine and Science, Jacksonville, FL 32224, USA;
| | - Ilona Uzieliene
- Department of Regenerative Medicine, State Research Institute Centre for Innovative Medicine, Santariskiu 5, LT-08406 Vilnius, Lithuania;
| | - Shima Tavakol
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran 1449614525, Iran; (S.T.); (F.A.)
| | - Fereshteh Azedi
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran 1449614525, Iran; (S.T.); (F.A.)
- Department of Neuroscience, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran 1449614535, Iran
| | - Hojjat Samareh Fekri
- Student Research Committee, Kerman University of Medical Sciences, Kerman 7619813159, Iran;
- Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman 7616911319, Iran
| | - Ali Zarrabi
- Sabanci University Nanotechnology Research and Application Center (SUNUM), Tuzla, Istanbul 34956, Turkey;
| | - Reza Mohammadinejad
- Research Center for Tropical and Infectious Diseases, Kerman University of Medical Sciences, Kerman 7618866749, Iran
| | - Vijay Kumar Thakur
- Biorefining and Advanced Materials Research Center, Scotland’s Rural College (SRUC), Kings Buildings, West Mains Road, Edinburgh EH9 3JG, UK
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25
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Carballo-Pedrares N, Fuentes-Boquete I, Díaz-Prado S, Rey-Rico A. Hydrogel-Based Localized Nonviral Gene Delivery in Regenerative Medicine Approaches-An Overview. Pharmaceutics 2020; 12:E752. [PMID: 32785171 PMCID: PMC7464633 DOI: 10.3390/pharmaceutics12080752] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 07/29/2020] [Accepted: 08/07/2020] [Indexed: 12/11/2022] Open
Abstract
Hydrogel-based nonviral gene delivery constitutes a powerful strategy in various regenerative medicine scenarios, as those concerning the treatment of musculoskeletal, cardiovascular, or neural tissues disorders as well as wound healing. By a minimally invasive administration, these systems can provide a spatially and temporarily defined supply of specific gene sequences into the target tissue cells that are overexpressing or silencing the original gene, which can promote natural repairing mechanisms to achieve the desired effect. In the present work, we provide an overview of the most avant-garde approaches using various hydrogels systems for controlled delivery of therapeutic nucleic acid molecules in different regenerative medicine approaches.
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Affiliation(s)
- Natalia Carballo-Pedrares
- Cell Therapy and Regenerative Medicine Unit, Centro de Investigacións Científicas Avanzadas (CICA), Universidade da Coruña, 15071 A Coruña, Spain; (N.C.-P.); (I.F.-B.); (S.D.-P.)
| | - Isaac Fuentes-Boquete
- Cell Therapy and Regenerative Medicine Unit, Centro de Investigacións Científicas Avanzadas (CICA), Universidade da Coruña, 15071 A Coruña, Spain; (N.C.-P.); (I.F.-B.); (S.D.-P.)
- Departamento de Fisioterapia, Medicina y Ciencias Biomédicas, Facultad de Ciencias de la Salud, Universidade da Coruña (UDC), Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), Servizo Galego de Saúde (SERGAS), 15071 A Coruña, Galicia, Spain
| | - Silvia Díaz-Prado
- Cell Therapy and Regenerative Medicine Unit, Centro de Investigacións Científicas Avanzadas (CICA), Universidade da Coruña, 15071 A Coruña, Spain; (N.C.-P.); (I.F.-B.); (S.D.-P.)
- Departamento de Fisioterapia, Medicina y Ciencias Biomédicas, Facultad de Ciencias de la Salud, Universidade da Coruña (UDC), Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), Servizo Galego de Saúde (SERGAS), 15071 A Coruña, Galicia, Spain
| | - Ana Rey-Rico
- Cell Therapy and Regenerative Medicine Unit, Centro de Investigacións Científicas Avanzadas (CICA), Universidade da Coruña, 15071 A Coruña, Spain; (N.C.-P.); (I.F.-B.); (S.D.-P.)
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26
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Storozhylova N, Crecente-Campo J, Cabaleiro D, Lugo L, Dussouy C, Simões S, Monteiro M, Grandjean C, Alonso MJ. An In Situ Hyaluronic Acid-Fibrin Hydrogel Containing Drug-Loaded Nanocapsules for Intra-Articular Treatment of Inflammatory Joint Diseases. REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE 2020. [DOI: 10.1007/s40883-020-00154-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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27
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Vaughan HJ, Green JJ, Tzeng SY. Cancer-Targeting Nanoparticles for Combinatorial Nucleic Acid Delivery. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1901081. [PMID: 31222852 PMCID: PMC6923623 DOI: 10.1002/adma.201901081] [Citation(s) in RCA: 129] [Impact Index Per Article: 32.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 04/13/2019] [Indexed: 05/03/2023]
Abstract
Nucleic acids are a promising type of therapeutic for the treatment of a wide range of conditions, including cancer, but they also pose many delivery challenges. For efficient and safe delivery to cancer cells, nucleic acids must generally be packaged into a vehicle, such as a nanoparticle, that will allow them to be taken up by the target cells and then released in the appropriate cellular compartment to function. As with other types of therapeutics, delivery vehicles for nucleic acids must also be designed to avoid unwanted side effects; thus, the ability of such carriers to target their cargo to cancer cells is crucial. Classes of nucleic acids, hurdles that must be overcome for effective intracellular delivery, types of nonviral nanomaterials used as delivery vehicles, and the different strategies that can be employed to target nucleic acid delivery specifically to tumor cells are discussed. Additonally, nanoparticle designs that facilitate multiplexed delivery of combinations of nucleic acids are reviewed.
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Affiliation(s)
- Hannah J Vaughan
- Department of Biomedical Engineering, Translational Tissue Engineering Center and Institute for NanoBioTechnology, Johns Hopkins University School of Medicine, 400 North Broadway, Smith Building 5001, Baltimore, MD, 21231, USA
| | - Jordan J Green
- Department of Biomedical Engineering, Translational Tissue Engineering Center and Institute for NanoBioTechnology, Johns Hopkins University School of Medicine, 400 North Broadway, Smith Building 5001, Baltimore, MD, 21231, USA
| | - Stephany Y Tzeng
- Department of Biomedical Engineering, Translational Tissue Engineering Center and Institute for NanoBioTechnology, Johns Hopkins University School of Medicine, 400 North Broadway, Smith Building 5001, Baltimore, MD, 21231, USA
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28
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Husteden C, Doberenz F, Goergen N, Pinnapireddy SR, Janich C, Langner A, Syrowatka F, Repanas A, Erdmann F, Jedelská J, Bakowsky U, Groth T, Wölk C. Contact-Triggered Lipofection from Multilayer Films Designed as Surfaces for in Situ Transfection Strategies in Tissue Engineering. ACS APPLIED MATERIALS & INTERFACES 2020; 12:8963-8977. [PMID: 32003972 DOI: 10.1021/acsami.9b18968] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Biomaterials, which release active compounds after implantation, are an essential tool for targeted regenerative medicine. In this study, thin multilayer films loaded with lipid/DNA complexes (lipoplexes) were designed as surface coatings for in situ transfection applicable in tissue engineering and regenerative medicine. The film production and embedding of lipoplexes were based on the layer-by-layer (LbL) deposition technique. Hyaluronic acid (HA) and chitosan (CHI) were used as the polyelectrolyte components. The embedded plasmid DNA was complexed using a new designed cationic lipid formulation, namely, OH4/DOPE 1/1, the advantageous characteristics of which have been proven already. Three different methods were tested regarding its efficiency of lipid and DNA deposition. Therefore, several surface specific analytics were used to characterize the LbL formation, the lipid DNA embedding, and the surface characteristics of the multilayer films, such as fluorescence microscopy, surface plasmon resonance spectroscopy, ellipsometry, zeta potential measurements, atomic force microscopy, and scanning electron microscopy. Interaction studies were conducted for optimized lipoplex-loaded polyelectrolyte multilayers (PEMs) that showed an efficient attachment of C2C12 cells on the surface. Furthermore, no acute toxic effects were found in cell culture studies, demonstrating biocompatibility. Cell culture experiments with C2C12 cells, a cell line which is hard to transfect, demonstrated efficient transfection of the reporter gene encoding for green fluorescent protein. In vivo experiments using the chicken embryo chorion allantois membrane animal replacement model showed efficient gene-transferring rates in living complex tissues, although the DNA-loaded films were stored over 6 days under wet and dried conditions. Based on these findings, it can be concluded that OH4/DOPE 1/1 lipoplex-loaded PEMs composed of HA and CHI can be an efficient tool for in situ transfection in regenerative medicine.
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Affiliation(s)
- Catharina Husteden
- Institute of Pharmacy, Department of Medicinal Chemistry , Martin Luther University Halle-Wittenberg , Wolfgang-Langenbeck-Str. 4 , 06120 Halle (Saale) , Germany
| | - Falko Doberenz
- Institute of Pharmacy, Department Biomedical Materials , Martin Luther University Halle-Wittenberg , Heinrich-Damerow-Str. 4 , 06120 Halle (Saale) , Germany
| | - Nathalie Goergen
- Department of Pharmaceutics and Biopharmaceutics , University of Marburg , Robert-Koch-Str. 4 , 35037 Marburg , Germany
| | - Shashank Reddy Pinnapireddy
- Department of Pharmaceutics and Biopharmaceutics , University of Marburg , Robert-Koch-Str. 4 , 35037 Marburg , Germany
| | - Christopher Janich
- Institute of Pharmacy, Department of Medicinal Chemistry , Martin Luther University Halle-Wittenberg , Wolfgang-Langenbeck-Str. 4 , 06120 Halle (Saale) , Germany
| | - Andreas Langner
- Institute of Pharmacy, Department of Medicinal Chemistry , Martin Luther University Halle-Wittenberg , Wolfgang-Langenbeck-Str. 4 , 06120 Halle (Saale) , Germany
| | - Frank Syrowatka
- Interdisciplinary Center of Materials Science , Martin-Luther-University Halle-Wittenberg , Heinrich-Damerow-Str. 4 , 06120 Halle (Saale) , Germany
| | - Alexandros Repanas
- Institute of Pharmacy, Department Biomedical Materials , Martin Luther University Halle-Wittenberg , Heinrich-Damerow-Str. 4 , 06120 Halle (Saale) , Germany
| | - Frank Erdmann
- Institute of Pharmacy, Department of Pharmacology , Martin Luther University Halle-Wittenberg , Wolfgang-Langenbeck-Str. 4 , 06120 Halle (Saale) , Germany
| | - Jarmila Jedelská
- Department of Pharmaceutics and Biopharmaceutics , University of Marburg , Robert-Koch-Str. 4 , 35037 Marburg , Germany
| | - Udo Bakowsky
- Department of Pharmaceutics and Biopharmaceutics , University of Marburg , Robert-Koch-Str. 4 , 35037 Marburg , Germany
| | - Thomas Groth
- Institute of Pharmacy, Department Biomedical Materials , Martin Luther University Halle-Wittenberg , Heinrich-Damerow-Str. 4 , 06120 Halle (Saale) , Germany
- Interdisciplinary Center of Materials Science , Martin-Luther-University Halle-Wittenberg , Heinrich-Damerow-Str. 4 , 06120 Halle (Saale) , Germany
- Laboratory of Biomedical Nanotechnologies, Institute of Bionic Technologies and Engineering , I.M. Sechenov First Moscow State University , Trubetskaya Street 8 , 119991 Moscow , Russian Federation
| | - Christian Wölk
- Institute of Pharmacy, Department of Medicinal Chemistry , Martin Luther University Halle-Wittenberg , Wolfgang-Langenbeck-Str. 4 , 06120 Halle (Saale) , Germany
- Institute of Pharmacy, Pharmaceutical Technology, Faculty of Medicine , Leipzig University , 04317 Leipzig , Germany
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29
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Huang NC, Lee CM, Hsu SH. Effective naked plasmid DNA delivery into stem cells by microextrusion-based transient-transfection system for in situ cardiac repair. Cytotherapy 2020; 22:70-81. [PMID: 32007417 DOI: 10.1016/j.jcyt.2019.12.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 12/02/2019] [Accepted: 12/03/2019] [Indexed: 01/14/2023]
Abstract
BACKGROUND AIMS Combining the use of transfection reagents and physical methods can markedly improve the efficiency of gene delivery; however, such methods often cause cell damage. Additionally, naked plasmids without any vector or physical stimulation are difficult to deliver into stem cells. In this study, we demonstrate a simple and rapid method to simultaneously facilitate efficient in situ naked gene delivery and form a bioactive hydrogel scaffold. METHODS Transfecting naked GATA binding protein 4 (GATA4) plasmids into human umbilical cord-derived mesenchymal stem cells (hUC-MSCs) by co-extruding naked plasmids and hUC-MSCs with a biomimetic and negatively charged water-based biodegradable thermo-responsive polyurethane (PU) hydrogel through a microextrusion-based transient-transfection system can upregulate the other cardiac marker genes. RESULTS The PU hydrogels with optimized physicochemical properties (such as hard-soft segment composition, size, hardness and thermal gelation) induced GATA4-transfected hUC-MSCs to express the cardiac marker proteins and then differentiated into cardiomyocyte-like cells in 15 days. We further demonstrated that GATA4-transfected hUC-MSCs in PU hydrogel were capable of in situ revival of heart function in zebrafish in 30 days. CONCLUSIONS Our results suggest that hUC-MSCs and naked plasmids encapsulated in PU hydrogels might represent a new strategy for in situ tissue therapy using the microextrusion-based transient-transfection system described here. This transfection system is simple, effective and safer than conventional technologies.
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Affiliation(s)
- Nien-Chi Huang
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei, Taiwan, R.O.C
| | - Chii-Ming Lee
- Division of Cardiology, Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan, R.O.C
| | - Shan-Hui Hsu
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei, Taiwan, R.O.C.; Center of Tissue Engineering and 3D Printing, National Taiwan University, Taipei, Taiwan, R.O.C.; Institute of Cellular and System Medicine, National Health Research Institutes, Zhunan, Taiwan, R.O.C..
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30
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Pinnapireddy SR, Giselbrecht J, Strehlow B, Janich C, Husteden C, Meister A, Loppnow H, Sedding D, Erdmann F, Hause G, Brezesinski G, Groth T, Langner A, Bakowsky U, Wölk C. A triple chain polycationic peptide-mimicking amphiphile - efficient DNA-transfer without co-lipids. Biomater Sci 2019; 8:232-249. [PMID: 31681923 DOI: 10.1039/c9bm01093a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Non-viral gene delivery in its current form is largely dependent upon the ability of a delivery vehicle to protect its cargo in the extracellular environment and release it efficiently inside the target cell. Also a simple delivery system is required to simplify a GMP conform production if a marketing authorization is striven for. This work addresses these problems. We have developed a synthetic polycationic peptide-mimicking amphiphile, namely DiTT4, which shows efficient transfection rates and good biocompatibility without the use of a co-lipid in the formulation. The lipid-nucleic acid complex (lipoplex) was characterized at the structural (electron microscopy), physical (laser Doppler velocimetry and atomic force microscopy) and molecular levels (X-ray scattering). Stability studies of the lipoplexes in the presence of serum and heparin indicated a stable formation capable of protecting the cargo against the extracellular milieu. Hemocompatibility studies (hemolysis, complement activation and erythrocyte aggregation) demonstrated the biocompatibility of the formulation for systemic administration. The transfection efficiency was assessed in vitro using the GFP assay and confocal laser scanning microscopy studies. With the chorioallantoic membrane model, an animal replacement model according to the 3R strategy (replacement, refinement, and reduction), initial in vivo experiments were performed which demonstrate fast and efficient transfection in complex tissues and excellent biocompatibility.
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Affiliation(s)
- Shashank Reddy Pinnapireddy
- Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Robert-Koch-Str. 4, 35037, Marburg, Germany.
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31
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Zhou J, Li L, Wang W, Zhao Y, Feng S. pH-responsive polymeric vesicles from branched copolymers. RSC Adv 2019; 9:41031-41037. [PMID: 35540065 PMCID: PMC9076388 DOI: 10.1039/c9ra08703f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Accepted: 12/04/2019] [Indexed: 12/20/2022] Open
Abstract
A new type of branched copolymer, poly(l-lactide)2-b-poly(l-glutamic acid) (PLLA2-PLGA), based on polypeptide PLGA is synthesized by the ring-opening polymerization (ROP) of N-carboxyanhydride of γ-benzyl-l-glutamate (BLG-NCA) with amino-terminated PLLA2-NH2 and subsequent deprotection. The branched copolymer is characterized by 1H NMR, FTIR and GPC measurements. The self-assembly of the copolymers in aqueous media has been systematically discussed. A pyrene probe has been used to demonstrate the aggregated formation of PLLA2-PLGA in solution by measuring the critical micelle concentration (cmc). The morphology and size of the micelles have further been studied by transmission electron microscopy (TEM), dynamic light scattering (DLS) and field emission scanning electron microscopy (ESEM). We demonstrated that the Rh of the vesicle is depending on solution pH and salt concentration. The vesicles show good stability with remained shapes and sizes during the lyophilizing process. These vesicles have great potential in the application of drug delivery.
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Affiliation(s)
- Jinglun Zhou
- Key Laboratory of Special Functional Aggregated Materials, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University Jinan 250100 China
- Eco-Benign Plastics Technology Company Limited Jinan 250101 China
| | - Linlin Li
- Shandong Institute for Product Quality Inspection Jinan 250100 China
| | - Weishan Wang
- Shandong Institute for Product Quality Inspection Jinan 250100 China
| | - Yang Zhao
- Shandong Institute for Product Quality Inspection Jinan 250100 China
| | - Shengyu Feng
- Key Laboratory of Special Functional Aggregated Materials, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University Jinan 250100 China
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32
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Peng D, Gao H, Huang P, Shi X, Zhou J, Zhang J, Dong A, Tang H, Wang W, Deng L. Host-guest supramolecular hydrogel based on nanoparticles: co-delivery of DOX and siBcl-2 for synergistic cancer therapy. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2019; 30:877-893. [DOI: 10.1080/09205063.2019.1612602] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Dan Peng
- Department of Polymer Science and Technology, Key Laboratory of Systems Bioengineering of the Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin, China
| | - Huijie Gao
- Tianjin Life Science Research Center and School of basic medical sciences, Tianjin Medical University, Tianjin, China
| | - Pingsheng Huang
- Tianjin Key Laboratory of Biomaterial Research, Institute of Biomedical Engineering, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
| | - Xiaoguang Shi
- Tianjin Key Laboratory of Biomaterial Research, Institute of Biomedical Engineering, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
| | - Junhui Zhou
- Department of Polymer Science and Technology, Key Laboratory of Systems Bioengineering of the Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin, China
| | - Jianhua Zhang
- Department of Polymer Science and Technology, Key Laboratory of Systems Bioengineering of the Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin, China
| | - Anjie Dong
- Department of Polymer Science and Technology, Key Laboratory of Systems Bioengineering of the Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin, China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, China
| | - Hua Tang
- Tianjin Life Science Research Center and School of basic medical sciences, Tianjin Medical University, Tianjin, China
| | - Weiwei Wang
- Tianjin Key Laboratory of Biomaterial Research, Institute of Biomedical Engineering, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
| | - Liandong Deng
- Department of Polymer Science and Technology, Key Laboratory of Systems Bioengineering of the Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin, China
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33
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Pötzinger Y, Rahnfeld L, Kralisch D, Fischer D. Immobilization of plasmids in bacterial nanocellulose as gene activated matrix. Carbohydr Polym 2019; 209:62-73. [DOI: 10.1016/j.carbpol.2019.01.009] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 12/19/2018] [Accepted: 01/03/2019] [Indexed: 02/03/2023]
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Truong NF, Lesher-Pérez SC, Kurt E, Segura T. Pathways Governing Polyethylenimine Polyplex Transfection in Microporous Annealed Particle Scaffolds. Bioconjug Chem 2019; 30:476-486. [PMID: 30513197 PMCID: PMC7290906 DOI: 10.1021/acs.bioconjchem.8b00696] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Gene delivery using injectable hydrogels can serve as a potential method for regulated tissue regeneration in wound healing. Our microporous annealed particle (MAP) hydrogel has been shown to promote cellular infiltration in both skin and brain wounds, while reducing inflammation. Although the scaffold itself can promote healing, it is likely that other signals will be required to promote healing of hard-to-treat wounds. Gene delivery is one approach to introduce desired bioactive signals. In this study, we investigated how the properties of MAP hydrogels influence non-viral gene delivery of polyethylenimine-condensed plasmid to cells seeded within the MAP gel. From past studies, we found that gene transfer to cells seeded in tissue culture plastic differed from gene transfer to cells seeded inside hydrogel scaffolds. Since MAP scaffolds are generated from hydrogel microparticles that are approximately 100 μm in diameter, they display local characteristics that can be viewed as two-dimensional or three-dimensional to cells. Thus, we sought to study if gene transfer inside MAP scaffolds differed from gene transfer to cells seeded in tissue culture plastic. We sought to understand the roles of the endocytosis pathway, actin and microtubule dynamics, RhoGTPases, and YAP/TAZ on transfection of human fibroblasts.
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Affiliation(s)
- Norman F Truong
- Department of Chemical and Biomolecular Engineering , University of California , Los Angeles , California 90095 , United States
| | - Sasha Cai Lesher-Pérez
- Department of Chemical and Biomolecular Engineering , University of California , Los Angeles , California 90095 , United States
| | - Evan Kurt
- Department of Biomedical Engineering , Duke University , Durham , North Carolina 27708 , United States
| | - Tatiana Segura
- Department of Chemical and Biomolecular Engineering , University of California , Los Angeles , California 90095 , United States
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35
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Mantz A, Pannier AK. Biomaterial substrate modifications that influence cell-material interactions to prime cellular responses to nonviral gene delivery. Exp Biol Med (Maywood) 2019; 244:100-113. [PMID: 30621454 PMCID: PMC6405826 DOI: 10.1177/1535370218821060] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
IMPACT STATEMENT This review summarizes how biomaterial substrate modifications (e.g. chemical modifications like natural coatings, ligands, or functional side groups, and/or physical modifications such as topography or stiffness) can prime the cellular response to nonviral gene delivery (e.g. affecting integrin binding and focal adhesion formation, cytoskeletal remodeling, endocytic mechanisms, and intracellular trafficking), to aid in improving gene delivery for applications where a cell-material interface might exist (e.g. tissue engineering scaffolds, medical implants and devices, sensors and diagnostics, wound dressings).
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Affiliation(s)
- Amy Mantz
- Department of Biological Systems Engineering,
University
of Nebraska-Lincoln, Lincoln, NE 68583,
USA
| | - Angela K Pannier
- Department of Biological Systems Engineering,
University
of Nebraska-Lincoln, Lincoln, NE 68583,
USA
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36
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Yan J, Chen R, Zhang H, Bryers JD. Injectable Biodegradable Chitosan-Alginate 3D Porous Gel Scaffold for mRNA Vaccine Delivery. Macromol Biosci 2019; 19:e1800242. [PMID: 30444317 PMCID: PMC6611697 DOI: 10.1002/mabi.201800242] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 10/17/2018] [Indexed: 12/20/2022]
Abstract
mRNA vaccines have proven to be more stable, effective, and specific than protein/peptide-based vaccines in stimulating both humoral and cellular immune response. However, mRNA's fast degradation rate and low-transfection efficiency in vivo impede its potential in vaccination. Recent research in gene delivery has focused on nonviral vaccine carriers and either implantable or injectable delivery systems to improve transgene expression in vivo. Here, an injectable chitosan-alginate gel scaffold for the local delivery of mRNA vaccines is reported. Gel scaffold biodegradation rates and biocompatibility are quantified. Scaffold-mediated mRNA in vivo transgene expression as well as ovalbumin antigen specific cellular and humoral immune responses are evaluated in vivo. Luciferase reporter protein expression resulting from mRNA lipoplex-loaded gel scaffolds is five times higher than systemic injection. Compared to systemic injections of naked mRNA or mRNA:lipoplexes, elevated levels of T cell proliferation and IFN-γ secretion are seen with in vivo scaffold-mediated mRNA lipoplex delivery. Furthermore, a humoral response (ovalbumin antigen specific IgG levels) is observed as early as week 1 for scaffold-mediated mRNA lipoplex delivery, while protein-based immunization did not elicit IgG production until 2 weeks post-injection. Results suggest that injectable scaffold mRNA vaccine delivery maybe a viable alternative to traditional nucleic acid immunization methods.
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Affiliation(s)
- Jingxuan Yan
- University of Washington, Seattle, WA, 98195-5061, USA
| | - Ruying Chen
- University of Washington, Seattle, WA, 98195-5061, USA
| | - Hong Zhang
- University of Washington, Seattle, WA, 98195-5061, USA
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Fleming JM, Yeyeodu ST, McLaughlin A, Schuman D, Taylor DK. In Situ Drug Delivery to Breast Cancer-Associated Extracellular Matrix. ACS Chem Biol 2018; 13:2825-2840. [PMID: 30183254 DOI: 10.1021/acschembio.8b00396] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The extracellular matrix (ECM) contributes to tumor progression through changes induced by tumor and stromal cell signals that promote increased ECM density and stiffness. The increase in ECM stiffness is known to promote tumor cell invasion into surrounding tissues and metastasis. In addition, this scar-like ECM creates a protective barrier around the tumor that reduces the effectiveness of innate and synthetic antitumor agents. Herein, clinically approved breast cancer therapies as well as novel experimental approaches that target the ECM are discussed, including in situ hydrogel drug delivery systems, an emerging technology the delivers toxic chemotherapeutics, gene-silencing microRNAs, and tumor suppressing immune cells directly inside the tumor. Intratumor delivery of therapeutic agents has the potential to drastically reduce systemic side effects experienced by the patient and increase the efficacy of these agents. This review also describes the opposing effects of ECM degradation on tumor progression, where some studies report improved drug delivery and delayed cancer progression and others report enhanced metastasis and decreased patient survival. Given the recent increase in ECM-targeting drugs entering preclinical and clinical trials, understanding and addressing the factors that impact the effect of the ECM on tumor progression is imperative for the sake of patient safety and survival outcome.
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Affiliation(s)
- Jodie M. Fleming
- Department of Biological and Biomedical Sciences, North Carolina Central University, Durham, North Carolina, United States
| | - Susan T. Yeyeodu
- Charles River Discovery Services, Morrisville, North Carolina, United States
| | - Ashley McLaughlin
- Department of Biological and Biomedical Sciences, North Carolina Central University, Durham, North Carolina, United States
| | - Darren Schuman
- Department of Chemistry and Biochemistry, North Carolina Central University, Durham, North Carolina, United States
| | - Darlene K. Taylor
- Department of Chemistry and Biochemistry, North Carolina Central University, Durham, North Carolina, United States
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Youngblood RL, Truong NF, Segura T, Shea LD. It's All in the Delivery: Designing Hydrogels for Cell and Non-viral Gene Therapies. Mol Ther 2018; 26:2087-2106. [PMID: 30107997 PMCID: PMC6127639 DOI: 10.1016/j.ymthe.2018.07.022] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2018] [Revised: 07/24/2018] [Accepted: 07/24/2018] [Indexed: 01/08/2023] Open
Abstract
Hydrogels provide a regenerative medicine platform with their ability to create an environment that supports transplanted or endogenous infiltrating cells and enables these cells to restore or replace the function of tissues lost to disease or trauma. Furthermore, these systems have been employed as delivery vehicles for therapeutic genes, which can direct and/or enhance the function of the transplanted or endogenous cells. Herein, we review recent advances in the development of hydrogels for cell and non-viral gene delivery through understanding the design parameters, including both physical and biological components, on promoting transgene expression, cell engraftment, and ultimately cell function. Furthermore, this review identifies emerging opportunities for combining cell and gene delivery approaches to overcome challenges to the field.
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Affiliation(s)
- Richard L Youngblood
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
| | - Norman F Truong
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Tatiana Segura
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA 90095, USA; Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA.
| | - Lonnie D Shea
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA.
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Liu R, Shi Z, Sun J, Li Z. Enzyme responsive supramolecular hydrogels assembled from nonionic peptide amphiphiles. Sci China Chem 2018. [DOI: 10.1007/s11426-018-9282-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Nowak-Sliwinska P, Alitalo K, Allen E, Anisimov A, Aplin AC, Auerbach R, Augustin HG, Bates DO, van Beijnum JR, Bender RHF, Bergers G, Bikfalvi A, Bischoff J, Böck BC, Brooks PC, Bussolino F, Cakir B, Carmeliet P, Castranova D, Cimpean AM, Cleaver O, Coukos G, Davis GE, De Palma M, Dimberg A, Dings RPM, Djonov V, Dudley AC, Dufton NP, Fendt SM, Ferrara N, Fruttiger M, Fukumura D, Ghesquière B, Gong Y, Griffin RJ, Harris AL, Hughes CCW, Hultgren NW, Iruela-Arispe ML, Irving M, Jain RK, Kalluri R, Kalucka J, Kerbel RS, Kitajewski J, Klaassen I, Kleinmann HK, Koolwijk P, Kuczynski E, Kwak BR, Marien K, Melero-Martin JM, Munn LL, Nicosia RF, Noel A, Nurro J, Olsson AK, Petrova TV, Pietras K, Pili R, Pollard JW, Post MJ, Quax PHA, Rabinovich GA, Raica M, Randi AM, Ribatti D, Ruegg C, Schlingemann RO, Schulte-Merker S, Smith LEH, Song JW, Stacker SA, Stalin J, Stratman AN, Van de Velde M, van Hinsbergh VWM, Vermeulen PB, Waltenberger J, Weinstein BM, Xin H, Yetkin-Arik B, Yla-Herttuala S, Yoder MC, Griffioen AW. Consensus guidelines for the use and interpretation of angiogenesis assays. Angiogenesis 2018; 21:425-532. [PMID: 29766399 PMCID: PMC6237663 DOI: 10.1007/s10456-018-9613-x] [Citation(s) in RCA: 404] [Impact Index Per Article: 67.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The formation of new blood vessels, or angiogenesis, is a complex process that plays important roles in growth and development, tissue and organ regeneration, as well as numerous pathological conditions. Angiogenesis undergoes multiple discrete steps that can be individually evaluated and quantified by a large number of bioassays. These independent assessments hold advantages but also have limitations. This article describes in vivo, ex vivo, and in vitro bioassays that are available for the evaluation of angiogenesis and highlights critical aspects that are relevant for their execution and proper interpretation. As such, this collaborative work is the first edition of consensus guidelines on angiogenesis bioassays to serve for current and future reference.
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Affiliation(s)
- Patrycja Nowak-Sliwinska
- Molecular Pharmacology Group, School of Pharmaceutical Sciences, Faculty of Sciences, University of Geneva, University of Lausanne, Rue Michel-Servet 1, CMU, 1211, Geneva 4, Switzerland.
- Translational Research Center in Oncohaematology, University of Geneva, Geneva, Switzerland.
| | - Kari Alitalo
- Wihuri Research Institute and Translational Cancer Biology Program, University of Helsinki, Helsinki, Finland
| | - Elizabeth Allen
- Laboratory of Tumor Microenvironment and Therapeutic Resistance, Department of Oncology, VIB-Center for Cancer Biology, KU Leuven, Louvain, Belgium
| | - Andrey Anisimov
- Wihuri Research Institute and Translational Cancer Biology Program, University of Helsinki, Helsinki, Finland
| | - Alfred C Aplin
- Department of Pathology, University of Washington, Seattle, WA, USA
| | | | - Hellmut G Augustin
- European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Heidelberg, Germany
- Division of Vascular Oncology and Metastasis Research, German Cancer Research Center, Heidelberg, Germany
- German Cancer Consortium, Heidelberg, Germany
| | - David O Bates
- Division of Cancer and Stem Cells, School of Medicine, University of Nottingham, Nottingham, UK
| | - Judy R van Beijnum
- Angiogenesis Laboratory, Department of Medical Oncology, VU University Medical Center, Cancer Center Amsterdam, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands
| | - R Hugh F Bender
- Department of Molecular Biology and Biochemistry, University of California, Irvine, CA, USA
| | - Gabriele Bergers
- Laboratory of Tumor Microenvironment and Therapeutic Resistance, Department of Oncology, VIB-Center for Cancer Biology, KU Leuven, Louvain, Belgium
- Department of Neurological Surgery, Brain Tumor Research Center, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA, USA
| | - Andreas Bikfalvi
- Angiogenesis and Tumor Microenvironment Laboratory (INSERM U1029), University Bordeaux, Pessac, France
| | - Joyce Bischoff
- Vascular Biology Program and Department of Surgery, Harvard Medical School, Boston Children's Hospital, Boston, MA, USA
| | - Barbara C Böck
- European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Heidelberg, Germany
- Division of Vascular Oncology and Metastasis Research, German Cancer Research Center, Heidelberg, Germany
- German Cancer Consortium, Heidelberg, Germany
| | - Peter C Brooks
- Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, ME, USA
| | - Federico Bussolino
- Department of Oncology, University of Torino, Turin, Italy
- Candiolo Cancer Institute-FPO-IRCCS, 10060, Candiolo, Italy
| | - Bertan Cakir
- Department of Ophthalmology, Harvard Medical School, Boston Children's Hospital, Boston, MA, USA
| | - Peter Carmeliet
- Laboratory of Angiogenesis and Vascular Metabolism, Department of Oncology and Leuven Cancer Institute (LKI), KU Leuven, Leuven, Belgium
- Laboratory of Angiogenesis and Vascular Metabolism, Center for Cancer Biology, VIB, Leuven, Belgium
| | - Daniel Castranova
- Division of Developmental Biology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA
| | - Anca M Cimpean
- Department of Microscopic Morphology/Histology, Angiogenesis Research Center, Victor Babes University of Medicine and Pharmacy, Timisoara, Romania
| | - Ondine Cleaver
- Department of Molecular Biology, Center for Regenerative Science and Medicine, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - George Coukos
- Ludwig Institute for Cancer Research, Department of Oncology, University of Lausanne, Lausanne, Switzerland
| | - George E Davis
- Department of Medical Pharmacology and Physiology, University of Missouri, School of Medicine and Dalton Cardiovascular Center, Columbia, MO, USA
| | - Michele De Palma
- School of Life Sciences, Swiss Federal Institute of Technology, Lausanne, Switzerland
| | - Anna Dimberg
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
| | - Ruud P M Dings
- Department of Radiation Oncology, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | | | - Andrew C Dudley
- Department of Microbiology, Immunology, and Cancer Biology, University of Virginia, Charlottesville, VA, USA
- Emily Couric Cancer Center, The University of Virginia, Charlottesville, VA, USA
| | - Neil P Dufton
- Vascular Sciences, Imperial Centre for Translational and Experimental Medicine, National Heart and Lung Institute, Imperial College London, London, UK
| | - Sarah-Maria Fendt
- Laboratory of Cellular Metabolism and Metabolic Regulation, VIB Center for Cancer Biology, Leuven, Belgium
- Laboratory of Cellular Metabolism and Metabolic Regulation, Department of Oncology, KU Leuven and Leuven Cancer Institute, Leuven, Belgium
| | | | - Marcus Fruttiger
- Institute of Ophthalmology, University College London, London, UK
| | - Dai Fukumura
- Edwin L. Steele Laboratories, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Bart Ghesquière
- Metabolomics Expertise Center, VIB Center for Cancer Biology, VIB, Leuven, Belgium
- Department of Oncology, Metabolomics Expertise Center, KU Leuven, Leuven, Belgium
| | - Yan Gong
- Department of Ophthalmology, Harvard Medical School, Boston Children's Hospital, Boston, MA, USA
| | - Robert J Griffin
- Department of Radiation Oncology, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Adrian L Harris
- Molecular Oncology Laboratories, Oxford University Department of Oncology, Weatherall Institute of Molecular Medicine, John Radcliffe Hospital, Oxford, UK
| | - Christopher C W Hughes
- Department of Molecular Biology and Biochemistry, University of California, Irvine, CA, USA
| | - Nan W Hultgren
- Department of Molecular Biology and Biochemistry, University of California, Irvine, CA, USA
| | | | - Melita Irving
- Ludwig Institute for Cancer Research, Department of Oncology, University of Lausanne, Lausanne, Switzerland
| | - Rakesh K Jain
- Edwin L. Steele Laboratories, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Raghu Kalluri
- Department of Cancer Biology, Metastasis Research Center, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Joanna Kalucka
- Laboratory of Angiogenesis and Vascular Metabolism, Department of Oncology and Leuven Cancer Institute (LKI), KU Leuven, Leuven, Belgium
- Laboratory of Angiogenesis and Vascular Metabolism, Center for Cancer Biology, VIB, Leuven, Belgium
| | - Robert S Kerbel
- Department of Medical Biophysics, Biological Sciences Platform, Sunnybrook Research Institute, University of Toronto, Toronto, ON, Canada
| | - Jan Kitajewski
- Department of Physiology and Biophysics, University of Illinois, Chicago, IL, USA
| | - Ingeborg Klaassen
- Ocular Angiogenesis Group, Departments of Ophthalmology and Medical Biology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - Hynda K Kleinmann
- The George Washington University School of Medicine, Washington, DC, USA
| | - Pieter Koolwijk
- Department of Ophthalmology, University of Lausanne, Jules-Gonin Eye Hospital, Fondation Asile des Aveugles, Lausanne, Switzerland
| | - Elisabeth Kuczynski
- Department of Medical Biophysics, Biological Sciences Platform, Sunnybrook Research Institute, University of Toronto, Toronto, ON, Canada
| | - Brenda R Kwak
- Department of Pathology and Immunology, University of Geneva, Geneva, Switzerland
| | | | - Juan M Melero-Martin
- Department of Cardiac Surgery, Harvard Medical School, Boston Children's Hospital, Boston, MA, USA
| | - Lance L Munn
- Edwin L. Steele Laboratories, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Roberto F Nicosia
- Department of Pathology, University of Washington, Seattle, WA, USA
- Pathology and Laboratory Medicine Service, VA Puget Sound Health Care System, Seattle, WA, USA
| | - Agnes Noel
- Laboratory of Tumor and Developmental Biology, GIGA-Cancer, University of Liège, Liège, Belgium
| | - Jussi Nurro
- Department of Biotechnology and Molecular Medicine, University of Eastern Finland, Kuopio, Finland
| | - Anna-Karin Olsson
- Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Uppsala Biomedical Center, Uppsala University, Uppsala, Sweden
| | - Tatiana V Petrova
- Department of oncology UNIL-CHUV, Ludwig Institute for Cancer Research Lausanne, Lausanne, Switzerland
| | - Kristian Pietras
- Division of Translational Cancer Research, Department of Laboratory Medicine, Lund, Sweden
| | - Roberto Pili
- Genitourinary Program, Indiana University-Simon Cancer Center, Indianapolis, IN, USA
| | - Jeffrey W Pollard
- Medical Research Council Centre for Reproductive Health, College of Medicine and Veterinary Medicine, University of Edinburgh, Edinburgh, UK
| | - Mark J Post
- Department of Physiology, Maastricht University, Maastricht, The Netherlands
| | - Paul H A Quax
- Einthoven Laboratory for Experimental Vascular Medicine, Department Surgery, LUMC, Leiden, The Netherlands
| | - Gabriel A Rabinovich
- Laboratory of Immunopathology, Institute of Biology and Experimental Medicine, National Council of Scientific and Technical Investigations (CONICET), Buenos Aires, Argentina
| | - Marius Raica
- Department of Microscopic Morphology/Histology, Angiogenesis Research Center, Victor Babes University of Medicine and Pharmacy, Timisoara, Romania
| | - Anna M Randi
- Vascular Sciences, Imperial Centre for Translational and Experimental Medicine, National Heart and Lung Institute, Imperial College London, London, UK
| | - Domenico Ribatti
- Department of Basic Medical Sciences, Neurosciences and Sensory Organs, University of Bari Medical School, Bari, Italy
- National Cancer Institute "Giovanni Paolo II", Bari, Italy
| | - Curzio Ruegg
- Department of Oncology, Microbiology and Immunology, Faculty of Science and Medicine, University of Fribourg, Fribourg, Switzerland
| | - Reinier O Schlingemann
- Ocular Angiogenesis Group, Departments of Ophthalmology and Medical Biology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
- Department of Ophthalmology, University of Lausanne, Jules-Gonin Eye Hospital, Fondation Asile des Aveugles, Lausanne, Switzerland
| | - Stefan Schulte-Merker
- Institute of Cardiovascular Organogenesis and Regeneration, Faculty of Medicine, WWU, Münster, Germany
| | - Lois E H Smith
- Department of Ophthalmology, Harvard Medical School, Boston Children's Hospital, Boston, MA, USA
| | - Jonathan W Song
- Department of Mechanical and Aerospace Engineering, The Ohio State University, Columbus, OH, USA
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA
| | - Steven A Stacker
- Tumour Angiogenesis and Microenvironment Program, Peter MacCallum Cancer Centre and The Sir Peter MacCallum, Department of Oncology, University of Melbourne, Melbourne, VIC, Australia
| | - Jimmy Stalin
- Institute of Cardiovascular Organogenesis and Regeneration, Faculty of Medicine, WWU, Münster, Germany
| | - Amber N Stratman
- Division of Developmental Biology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA
| | - Maureen Van de Velde
- Laboratory of Tumor and Developmental Biology, GIGA-Cancer, University of Liège, Liège, Belgium
| | - Victor W M van Hinsbergh
- Department of Ophthalmology, University of Lausanne, Jules-Gonin Eye Hospital, Fondation Asile des Aveugles, Lausanne, Switzerland
| | - Peter B Vermeulen
- HistoGeneX, Antwerp, Belgium
- Translational Cancer Research Unit, GZA Hospitals, Sint-Augustinus & University of Antwerp, Antwerp, Belgium
| | - Johannes Waltenberger
- Medical Faculty, University of Münster, Albert-Schweitzer-Campus 1, Münster, Germany
| | - Brant M Weinstein
- Division of Developmental Biology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA
| | - Hong Xin
- University of California, San Diego, La Jolla, CA, USA
| | - Bahar Yetkin-Arik
- Ocular Angiogenesis Group, Departments of Ophthalmology and Medical Biology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - Seppo Yla-Herttuala
- Department of Biotechnology and Molecular Medicine, University of Eastern Finland, Kuopio, Finland
| | - Mervin C Yoder
- Department of Pediatrics, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Arjan W Griffioen
- Angiogenesis Laboratory, Department of Medical Oncology, VU University Medical Center, Cancer Center Amsterdam, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands.
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Le TMD, Duong HTT, Thambi T, Giang Phan V, Jeong JH, Lee DS. Bioinspired pH- and Temperature-Responsive Injectable Adhesive Hydrogels with Polyplexes Promotes Skin Wound Healing. Biomacromolecules 2018; 19:3536-3548. [DOI: 10.1021/acs.biomac.8b00819] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Thai Minh Duy Le
- School of Chemical Engineering, Theranostic Macromolecules Research Center, Sungkyunkwan University, Suwon 440-746, Republic of Korea
| | - Huu Thuy Trang Duong
- School of Chemical Engineering, Theranostic Macromolecules Research Center, Sungkyunkwan University, Suwon 440-746, Republic of Korea
| | - Thavasyappan Thambi
- School of Chemical Engineering, Theranostic Macromolecules Research Center, Sungkyunkwan University, Suwon 440-746, Republic of Korea
| | - V.H. Giang Phan
- Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City 70000, Vietnam
| | - Ji Hoon Jeong
- School of Pharmacy, Theranostic Macromolecules Research Center, Sungkyunkwan University, Suwon 440-746, Republic of Korea
| | - Doo Sung Lee
- School of Chemical Engineering, Theranostic Macromolecules Research Center, Sungkyunkwan University, Suwon 440-746, Republic of Korea
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Huang G, Huang H. Hyaluronic acid-based biopharmaceutical delivery and tumor-targeted drug delivery system. J Control Release 2018; 278:122-126. [PMID: 29649528 DOI: 10.1016/j.jconrel.2018.04.015] [Citation(s) in RCA: 197] [Impact Index Per Article: 32.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Revised: 04/06/2018] [Accepted: 04/07/2018] [Indexed: 11/16/2022]
Abstract
Hyaluronic acid (HA) is a natural polysaccharide with good biocompatibility and degradability. HA and its derivatives can be used as sustained-release carriers for drugs, which can delay the release of drugs and have a long-acting effect. They can be used for the delivery of various drugs such as proteins, nucleic acids and anti-tumor drugs. HA and its derivatives can specifically bind to multiple receptors on the cell surface and can be used for targeted drug delivery, especially for the delivery of anti-tumor drugs. Thus, there are different forms of tumor-targeted drug delivery systems based on HA.
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Affiliation(s)
- Gangliang Huang
- Active Carbohydrate Research Institute, Chongqing Normal University, Chongqing, 401331, China.
| | - Hualiang Huang
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan, 430073, China.
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Moreno PMD, Ferreira AR, Salvador D, Rodrigues MT, Torrado M, Carvalho ED, Tedebark U, Sousa MM, Amaral IF, Wengel J, Pêgo AP. Hydrogel-Assisted Antisense LNA Gapmer Delivery for In Situ Gene Silencing in Spinal Cord Injury. MOLECULAR THERAPY. NUCLEIC ACIDS 2018; 11:393-406. [PMID: 29858074 PMCID: PMC5992461 DOI: 10.1016/j.omtn.2018.03.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Revised: 03/04/2018] [Accepted: 03/15/2018] [Indexed: 12/16/2022]
Abstract
After spinal cord injury (SCI), nerve regeneration is severely hampered due to the establishment of a highly inhibitory microenvironment at the injury site, through the contribution of multiple factors. The potential of antisense oligonucleotides (AONs) to modify gene expression at different levels, allowing the regulation of cell survival and cell function, together with the availability of chemically modified nucleic acids with favorable biopharmaceutical properties, make AONs an attractive tool for novel SCI therapy developments. In this work, we explored the potential of locked nucleic acid (LNA)-modified AON gapmers in combination with a fibrin hydrogel bridging material to induce gene silencing in situ at a SCI lesion site. LNA gapmers were effectively developed against two promising gene targets aiming at enhancing axonal regeneration-RhoA and GSK3β. The fibrin-matrix-assisted AON delivery system mediated potent RNA knockdown in vitro in a dorsal root ganglion explant culture system and in vivo at a SCI lesion site, achieving around 75% downregulation 5 days after hydrogel injection. Our results show that local implantation of a AON-gapmer-loaded hydrogel matrix mediated efficient gene silencing in the lesioned spinal cord and is an innovative platform that can potentially combine gene regulation with regenerative permissive substrates aiming at SCI therapeutics and nerve regeneration.
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Affiliation(s)
- Pedro M D Moreno
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, 4200-135 Porto, Portugal
| | - Ana R Ferreira
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, 4200-135 Porto, Portugal
| | - Daniela Salvador
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, 4200-135 Porto, Portugal
| | - Maria T Rodrigues
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, 4200-135 Porto, Portugal
| | - Marília Torrado
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, 4200-135 Porto, Portugal
| | - Eva D Carvalho
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, 4200-135 Porto, Portugal
| | - Ulf Tedebark
- GE Healthcare Bio-Sciences AB, 75184 Uppsala, Sweden; SynMer AB, 17568 Järfälla, Sweden
| | - Mónica M Sousa
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal; IBMC - Instituto de Biologia Molecular e Celular, Nerve Regeneration Group, Universidade do Porto, 4200-135 Porto, Portugal
| | - Isabel F Amaral
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, 4200-135 Porto, Portugal
| | - Jesper Wengel
- Nucleic Acid Center, Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, 5230 Odense, Denmark
| | - Ana P Pêgo
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, 4200-135 Porto, Portugal; Faculdade de Engenharia da Universidade do Porto, 4200-465 Porto, Portugal; Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, 4050-313 Porto, Portugal.
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Madrigal JL, Sharma SN, Campbell KT, Stilhano RS, Gijsbers R, Silva EA. Microgels produced using microfluidic on-chip polymer blending for controlled released of VEGF encoding lentivectors. Acta Biomater 2018; 69:265-276. [PMID: 29398644 PMCID: PMC6819130 DOI: 10.1016/j.actbio.2018.01.013] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Revised: 01/09/2018] [Accepted: 01/11/2018] [Indexed: 12/01/2022]
Abstract
Alginate hydrogels are widely used as delivery vehicles due to their ability to encapsulate and release a wide range of cargos in a gentle and biocompatible manner. The release of encapsulated therapeutic cargos can be promoted or stunted by adjusting the hydrogel physiochemical properties. However, the release from such systems is often skewed towards burst-release or lengthy retention. To address this, we hypothesized that the overall magnitude of burst release could be adjusted by combining microgels with distinct properties and release behavior. Microgel suspensions were generated using a process we have termed on-chip polymer blending to yield composite suspensions of a range of microgel formulations. In this manner, we studied how alginate percentage and degradation relate to the release of lentivectors. Whereas changes in alginate percentage had a minimal impact on lentivector release, microgel degradation led to a 3-fold increase, and near complete release, over 10 days. Furthermore, by controlling the amount of degradable alginate present within microgels the relative rate of release can be adjusted. A degradable formulation of microgels was used to deliver vascular endothelial growth factor (VEGF)-encoding lentivectors in the chick chorioallantoic membrane (CAM) assay and yielded a proangiogenic response in comparison to the same lentivectors delivered in suspension. The utility of blended microgel suspensions may provide an especially appealing platform for the delivery of lentivectors or similarly sized therapeutics. STATEMENT OF SIGNIFICANCE Genetic therapeutics hold considerable potential for the treatment of diseases and disorders including ischemic cardiovascular diseases. To realize this potential, genetic vectors must be precisely and efficiently delivered to targeted regions of the body. However, conventional methods of delivery do not provide sufficient spatial and temporal control. Here, we demonstrate how alginate microgels provide a basis for developing systems for controlled genetic vector release. We adjust the physiochemical properties of alginate for quicker or slower release, and we demonstrate how combining distinct formulations of microgels can tune the release of the overall composite microgel suspension. These composite suspensions are generated using a straightforward and powerful application of droplet microfluidics which allows for the real-time generation of a composite suspension.
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Affiliation(s)
- Justin L Madrigal
- Department of Biomedical Engineering, University of California, Davis, CA, USA
| | - Shonit N Sharma
- Department of Biomedical Engineering, University of California, Davis, CA, USA
| | - Kevin T Campbell
- Department of Biomedical Engineering, University of California, Davis, CA, USA
| | - Roberta S Stilhano
- Department of Biomedical Engineering, University of California, Davis, CA, USA
| | - Rik Gijsbers
- Department of Pharmaceutic and Pharmacological Sciences, Laboratory for Viral Vector Technology and Gene Therapy, KU Leuven-University of Leuven, Leuven, Belgium
| | - Eduardo A Silva
- Department of Biomedical Engineering, University of California, Davis, CA, USA.
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Truong NF, Segura T. Sustained Transgene Expression via Hydrogel-Mediated Gene Transfer Results from Multiple Transfection Events. ACS Biomater Sci Eng 2018; 4:981-987. [DOI: 10.1021/acsbiomaterials.7b00957] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Norman F. Truong
- Department of Chemical and Biomolecular Engineering, University of California Los Angeles, 420 Westwood Plaza, Los Angeles, California 90095, United States
| | - Tatiana Segura
- Department of Chemical and Biomolecular Engineering, University of California Los Angeles, 420 Westwood Plaza, Los Angeles, California 90095, United States
- Department of Biomedical Engineering, Duke University, 305 Teer Engineering Building, Box 90271, Durham, North Carolina 27708, United States
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Karabin NB, Allen S, Kwon HK, Bobbala S, Firlar E, Shokuhfar T, Shull KR, Scott EA. Sustained micellar delivery via inducible transitions in nanostructure morphology. Nat Commun 2018; 9:624. [PMID: 29434200 PMCID: PMC5809489 DOI: 10.1038/s41467-018-03001-9] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Accepted: 01/12/2018] [Indexed: 11/13/2022] Open
Abstract
Nanocarrier administration has primarily been restricted to intermittent bolus injections with limited available options for sustained delivery in vivo. Here, we demonstrate that cylinder-to-sphere transitions of self-assembled filomicelle (FM) scaffolds can be employed for sustained delivery of monodisperse micellar nanocarriers with improved bioresorptive capacity and modularity for customization. Modular assembly of FMs from diverse block copolymer (BCP) chemistries allows in situ gelation into hydrogel scaffolds following subcutaneous injection into mice. Upon photo-oxidation or physiological oxidation, molecular payloads within FMs transfer to micellar vehicles during the morphological transition, as verified in vitro by electron microscopy and in vivo by flow cytometry. FMs composed of multiple distinct BCP fluorescent conjugates permit multimodal analysis of the scaffold's non-inflammatory bioresorption and micellar delivery to immune cell populations for one month. These scaffolds exhibit highly efficient bioresorption wherein all components participate in retention and transport of therapeutics, presenting previously unexplored mechanisms for controlled nanocarrier delivery.
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Affiliation(s)
- Nicholas B Karabin
- Department of Biomedical Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL, 60208, USA
| | - Sean Allen
- Interdisciplinary Biological Sciences, Northwestern University, 2205 Tech Drive, Evanston, IL, 60208, USA
| | - Ha-Kyung Kwon
- Department of Materials Science and Engineering, Northwestern University, 2220 Campus Drive, Evanston, IL, 60208, USA
| | - Sharan Bobbala
- Department of Biomedical Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL, 60208, USA
| | - Emre Firlar
- Department of Bioengineering, University of Illinois at Chicago, 851 South Morgan Street, Chicago, IL, 60607, USA
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, 842 West Taylor Street, Chicago, IL, 60607, USA
| | - Tolou Shokuhfar
- Department of Bioengineering, University of Illinois at Chicago, 851 South Morgan Street, Chicago, IL, 60607, USA
| | - Kenneth R Shull
- Department of Materials Science and Engineering, Northwestern University, 2220 Campus Drive, Evanston, IL, 60208, USA
| | - Evan A Scott
- Department of Biomedical Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL, 60208, USA.
- Interdisciplinary Biological Sciences, Northwestern University, 2205 Tech Drive, Evanston, IL, 60208, USA.
- Chemistry of Life Processes Institute, Northwestern University, 2170 Campus Drive, Evanston, IL, 60208, USA.
- Simpson Querrey Institute, Northwestern University, 303 East Superior Street, Chicago, IL, 60611, USA.
- Robert H. Lurie Comprehensive Cancer Center, Northwestern University, 303 East Superior Street, Chicago, IL, 60611, USA.
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Bakhshandeh B, Zarrintaj P, Oftadeh MO, Keramati F, Fouladiha H, Sohrabi-Jahromi S, Ziraksaz Z. Tissue engineering; strategies, tissues, and biomaterials. Biotechnol Genet Eng Rev 2018; 33:144-172. [PMID: 29385962 DOI: 10.1080/02648725.2018.1430464] [Citation(s) in RCA: 88] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Current tissue regenerative strategies rely mainly on tissue repair by transplantation of the synthetic/natural implants. However, limitations of the existing strategies have increased the demand for tissue engineering approaches. Appropriate cell source, effective cell modification, and proper supportive matrices are three bases of tissue engineering. Selection of appropriate methods for cell stimulation, scaffold synthesis, and tissue transplantation play a definitive role in successful tissue engineering. Although the variety of the players are available, but proper combination and functional synergism determine the practical efficacy. Hence, in this review, a comprehensive view of tissue engineering and its different aspects are investigated.
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Affiliation(s)
- Behnaz Bakhshandeh
- a Department of Biotechnology, College of Science , University of Tehran , Tehran , Iran
| | - Payam Zarrintaj
- b School of Chemical Engineering, College of Engineering , University of Tehran , Tehran , Iran
| | - Mohammad Omid Oftadeh
- a Department of Biotechnology, College of Science , University of Tehran , Tehran , Iran.,c Stem Cell Technology Research Center , Tehran , Iran
| | - Farid Keramati
- a Department of Biotechnology, College of Science , University of Tehran , Tehran , Iran
| | - Hamideh Fouladiha
- a Department of Biotechnology, College of Science , University of Tehran , Tehran , Iran
| | - Salma Sohrabi-Jahromi
- d Gottingen Center for Molecular Biosciences , Georg August University , Göttingen , Germany
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Fliervoet LAL, Engbersen JFJ, Schiffelers RM, Hennink WE, Vermonden T. Polymers and hydrogels for local nucleic acid delivery. J Mater Chem B 2018; 6:5651-5670. [DOI: 10.1039/c8tb01795f] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
This review focusses on the rational design of materials (from polymers to hydrogel materials) to achieve successful local delivery of therapeutic nucleic acids.
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Affiliation(s)
- Lies A. L. Fliervoet
- Department of Pharmaceutics
- Utrecht Institute for Pharmaceutical Sciences
- Utrecht University
- 3508 TB Utrecht
- The Netherlands
| | - Johan F. J. Engbersen
- Department of Controlled Drug Delivery
- MIRA Institute for Biomedical Technology and Technical Medicine
- Faculty of Science and Technology
- University of Twente
- Enschede
| | - Raymond M. Schiffelers
- Department of Clinical Chemistry and Haematology
- University Medical Center Utrecht
- 3584 CX Utrecht
- The Netherlands
| | - Wim E. Hennink
- Department of Pharmaceutics
- Utrecht Institute for Pharmaceutical Sciences
- Utrecht University
- 3508 TB Utrecht
- The Netherlands
| | - Tina Vermonden
- Department of Pharmaceutics
- Utrecht Institute for Pharmaceutical Sciences
- Utrecht University
- 3508 TB Utrecht
- The Netherlands
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The Physiological and Pathological Implications of the Formation of Hydrogels, with a Specific Focus on Amyloid Polypeptides. Biomolecules 2017; 7:biom7040070. [PMID: 28937634 PMCID: PMC5745453 DOI: 10.3390/biom7040070] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Revised: 08/30/2017] [Accepted: 09/18/2017] [Indexed: 02/07/2023] Open
Abstract
Hydrogels are water-swollen and viscoelastic three-dimensional cross-linked polymeric network originating from monomer polymerisation. Hydrogel-forming polypeptides are widely found in nature and, at a cellular and organismal level, they provide a wide range of functions for the organism making them. Amyloid structures, arising from polypeptide aggregation, can be damaging or beneficial to different types of organisms. Although the best-known amyloids are those associated with human pathologies, this underlying structure is commonly used by higher eukaryotes to maintain normal cellular activities, and also by microbial communities to promote their survival and growth. Amyloidogenesis occurs by nucleation-dependent polymerisation, which includes several species (monomers, nuclei, oligomers, and fibrils). Oligomers of pathological amyloids are considered the toxic species through cellular membrane perturbation, with the fibrils thought to represent a protective sink for toxic species. However, both functional and disease-associated amyloids use fibril cross-linking to form hydrogels. The properties of amyloid hydrogels can be exploited by organisms to fulfil specific physiological functions. Non-physiological hydrogelation by pathological amyloids may provide additional toxic mechanism(s), outside of membrane toxicity by oligomers, such as physical changes to the intracellular and extracellular environments, with wide-spread consequences for many structural and dynamic processes, and overall effects on cell survival.
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Sustained delivery of siRNA poly- and lipopolyplexes from porous macromer-crosslinked gelatin gels. Int J Pharm 2017; 526:178-187. [DOI: 10.1016/j.ijpharm.2017.04.065] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Revised: 04/25/2017] [Accepted: 04/26/2017] [Indexed: 01/15/2023]
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