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Heydemann A, Siemionow M. A Brief Review of Duchenne Muscular Dystrophy Treatment Options, with an Emphasis on Two Novel Strategies. Biomedicines 2023; 11:biomedicines11030830. [PMID: 36979809 PMCID: PMC10044847 DOI: 10.3390/biomedicines11030830] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 03/04/2023] [Accepted: 03/06/2023] [Indexed: 03/12/2023] Open
Abstract
Despite the full cloning of the Dystrophin cDNA 35 years ago, no effective treatment exists for the Duchenne Muscular Dystrophy (DMD) patients who have a mutation in this gene. Many treatment options have been considered, investigated preclinically and some clinically, but none have circumvented all barriers and effectively treated the disease without burdening the patients with severe side-effects. However, currently, many novel therapies are in the pipelines of research labs and pharmaceutical companies and many of these have progressed to clinical trials. A brief review of these promising therapies is presented, followed by a description of two novel technologies that when utilized together effectively treat the disease in the mdx mouse model. One novel technology is to generate chimeric cells from the patient’s own cells and a normal donor. The other technology is to systemically transplant these cells into the femur via the intraosseous route.
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Affiliation(s)
- Ahlke Heydemann
- Department of Physiology and Biophysics, University of Illinois at Chicago, Chicago, IL 60607, USA
- Center for Cardiovascular Research, University of Illinois at Chicago, Chicago, IL 60607, USA
- Correspondence:
| | - Maria Siemionow
- Department of Orthopaedics, University of Illinois at Chicago, Chicago, IL 60607, USA
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2
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Repellin M, Carton F, Boschi F, Galiè M, Perduca M, Calderan L, Jacquier A, Carras J, Schaeffer L, Briançon S, Lollo G, Malatesta M. Repurposing pentamidine using hyaluronic acid-based nanocarriers for skeletal muscle treatment in myotonic dystrophy. NANOMEDICINE : NANOTECHNOLOGY, BIOLOGY, AND MEDICINE 2023; 47:102623. [PMID: 36309185 DOI: 10.1016/j.nano.2022.102623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Revised: 09/01/2022] [Accepted: 10/19/2022] [Indexed: 11/06/2022]
Abstract
In a context of drug repurposing, pentamidine (PTM), an FDA-approved antiparasitic drug, has been proposed to reverse the splicing defects associated in myotonic dystrophy type 1 (DM1). However, clinical use of PTM is hinder by substantial toxicity, leading to find alternative delivery strategies. In this work we proposed hyaluronic acid-based nanoparticles as a novel encapsulation strategy to efficiently deliver PTM to skeletal muscles cells. In vitro studies on C2C12 myoblasts and myotubes showed an efficient nanoparticles' internalization with minimal toxicity. More interestingly, our findings evidenced for the first time the endosomal escape of hyaluronic acid-based nanocarriers. Ex vivo studies showed an efficient nanoparticles' internalization within skeletal muscle fibers. Finally, the therapeutic efficacy of PTM-loaded nanosystems to reduce the number of nuclear foci has been demonstrated in a novel DM1 in vitro model. So far, current data demonstrated the potency of hyaluronic acid-based nanosystems as efficient nanocarrier for delivering PTM into skeletal muscle and mitigate DM1 pathology.
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Affiliation(s)
- Mathieu Repellin
- Department of Neurosciences, Biomedicine and Movement Sciences, Anatomy and Histology Section, University of Verona, Strada Le Grazie 8, 37134 Verona, Italy; University of Lyon, Université Claude Bernard Lyon 1, CNRS, LAGEPP UMR 5007, 43 bd 11 Novembre 1918, 69622 Villeurbanne, France
| | - Flavia Carton
- Department of Neurosciences, Biomedicine and Movement Sciences, Anatomy and Histology Section, University of Verona, Strada Le Grazie 8, 37134 Verona, Italy
| | - Federico Boschi
- Department of Computer Science, University of Verona, Strada Le Grazie 15, 37134 Verona, Italy
| | - Mirco Galiè
- Department of Neurosciences, Biomedicine and Movement Sciences, Anatomy and Histology Section, University of Verona, Strada Le Grazie 8, 37134 Verona, Italy
| | - Massimiliano Perduca
- Department of Biotechnology, Biocrystallography and Nanostructure Laboratory, University of Verona, Strada Le Grazie 15, 37134 Verona, Italy
| | - Laura Calderan
- Department of Neurosciences, Biomedicine and Movement Sciences, Anatomy and Histology Section, University of Verona, Strada Le Grazie 8, 37134 Verona, Italy
| | - Arnaud Jacquier
- Institut NeuroMyogène, University of Lyon1, CNRS UMR 5310, INSERM U1217, 8 avenue Rockefeller, 69008 Lyon, France; Centre de Biotechnologie Cellulaire, CBC Biotec, CHU de Lyon - Hospices civils de Lyon groupement Est, Bron, France
| | - Julien Carras
- Institut NeuroMyogène, University of Lyon1, CNRS UMR 5310, INSERM U1217, 8 avenue Rockefeller, 69008 Lyon, France; Centre de Biotechnologie Cellulaire, CBC Biotec, CHU de Lyon - Hospices civils de Lyon groupement Est, Bron, France
| | - Laurent Schaeffer
- Institut NeuroMyogène, University of Lyon1, CNRS UMR 5310, INSERM U1217, 8 avenue Rockefeller, 69008 Lyon, France; Centre de Biotechnologie Cellulaire, CBC Biotec, CHU de Lyon - Hospices civils de Lyon groupement Est, Bron, France
| | - Stéphanie Briançon
- University of Lyon, Université Claude Bernard Lyon 1, CNRS, LAGEPP UMR 5007, 43 bd 11 Novembre 1918, 69622 Villeurbanne, France
| | - Giovanna Lollo
- University of Lyon, Université Claude Bernard Lyon 1, CNRS, LAGEPP UMR 5007, 43 bd 11 Novembre 1918, 69622 Villeurbanne, France
| | - Manuela Malatesta
- Department of Neurosciences, Biomedicine and Movement Sciences, Anatomy and Histology Section, University of Verona, Strada Le Grazie 8, 37134 Verona, Italy.
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3
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Repellin M, Carton F, Lollo G, Malatesta M. Alcian Blue Staining to Visualize Intracellular Hyaluronic Acid-Based Nanoparticles. Methods Mol Biol 2023; 2566:313-320. [PMID: 36152262 DOI: 10.1007/978-1-0716-2675-7_25] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Investigating at transmission electron microscopy the intracellular trafficking of hyaluronic acid-based nanoparticles remains a challenge due to their intrinsic weak electron density. Here we describe a simple protocol to stain hyaluronic acid that allows visualization of hyaluronic acid-based nanoparticles inside cells at both light and electron microscopy. By applying the critical-electrolyte-concentration Alcian blue method, these nanoparticles were observed as blue dots at bright-field microscopy or filled with fine electron dense precipitates at transmission electron microscopy.
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Affiliation(s)
- Mathieu Repellin
- Department of Neurosciences, Biomedicine and Movement Sciences, Anatomy and Histology Section, University of Verona, Verona, Italy.
- Laboratoire d'Automatique, de Génie des Procédés et de Génie Pharmaceutique, Université Claude Bernard Lyon 1, Villeurbanne, France.
| | - Flavia Carton
- Department of Neurosciences, Biomedicine and Movement Sciences, Anatomy and Histology Section, University of Verona, Verona, Italy
- University of Eastern Piedmont, Department of Health Sciences, Novara, Italy
| | - Giovanna Lollo
- Laboratoire d'Automatique, de Génie des Procédés et de Génie Pharmaceutique, Université Claude Bernard Lyon 1, Villeurbanne, France
| | - Manuela Malatesta
- Department of Neurosciences, Biomedicine and Movement Sciences, Anatomy and Histology Section, University of Verona, Verona, Italy
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L-Carnitine Functionalization to Increase Skeletal Muscle Tropism of PLGA Nanoparticles. Int J Mol Sci 2022; 24:ijms24010294. [PMID: 36613739 PMCID: PMC9820419 DOI: 10.3390/ijms24010294] [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: 11/27/2022] [Revised: 12/19/2022] [Accepted: 12/21/2022] [Indexed: 12/28/2022] Open
Abstract
Muscular dystrophies are a group of rare genetic pathologies, encompassing a variety of clinical phenotypes and mechanisms of disease. Several compounds have been proposed to treat compromised muscles, but it is known that pharmacokinetics and pharmacodynamics problems could occur. To solve these issues, it has been suggested that nanocarriers could be used to allow controlled and targeted drug release. Therefore, the aim of this study was to prepare actively targeted poly(lactide-co-glycolide) (PLGA) nanoparticles (NPs) for the treatment of muscular pathologies. By taking advantage of the high affinity for carnitine of skeletal muscle cells due to the expression of Na+-coupled carnitine transporter (OCTN), NPs have been actively targeted via association to an amphiphilic derivative of L-carnitine. Furthermore, pentamidine, an old drug repurposed for its positive effects on myotonic dystrophy type I, was incorporated into NPs. We obtained monodispersed targeted NPs, with a mean diameter of about 100 nm and a negative zeta potential. To assess the targeting ability of the NPs, cell uptake studies were performed on C2C12 myoblasts and myotubes using confocal and transmission electron microscopy. The results showed an increased uptake of carnitine-functionalized NPs compared to nontargeted carriers in myotubes, which was probably due to the interaction with OCTN receptors occurring in large amounts in these differentiated muscle cells.
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Calderan L, Carton F, Andreana I, Bincoletto V, Arpicco S, Stella B, Malatesta M. An ex vivo experimental system to track fluorescent nanoparticles inside skeletal muscle. Eur J Histochem 2022; 67:3596. [PMID: 36546417 PMCID: PMC9827424 DOI: 10.4081/ejh.2023.3596] [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: 11/07/2022] [Accepted: 12/14/2022] [Indexed: 12/24/2022] Open
Abstract
The development of novel nanoconstructs for biomedical applications requires the assessment of their biodistribution, metabolism and clearance in single cells, organs and entire organisms in a living environment. To reduce the number of in vivo experiments performed and to refine the methods used, in accordance with the 3Rs principle, this work proposes an ex vivo experimental system to monitor, using fluorescence microscopy, the distribution of nanoparticles in explanted murine skeletal muscle maintained in a bioreactor that can preserve the structural and functional features of the organ for long periods of time. Fluorescently-labelled liposomes and poly(lactide-co-glycolide) (PLGA)-based nanoparticles were injected into the intact soleus muscle (in the distal region close to the tendon) immediately after explants, and their distribution was analysed at increasing incubation times in cross cryosections from the proximal region of the belly. Both nanocarriers were clearly recognized in the muscle and were found to enter and migrate inside the myofibres, whereas their migration in the connective tissue seemed to be limited. In addition, some fluorescent signals were observed inside the macrophages, demonstrating the physiological clearance of the nanocarriers that did not enter the myofibres. Our ex vivo system therefore provides more information than previous in vitro experiments on cultured muscle cells, highlighting the need for the appropriate functionalization of nanocarriers if myofibre targeting is to be improved.
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Affiliation(s)
- Laura Calderan
- Department of Neurosciences, Biomedicine and Movement Sciences, Anatomy and Histology Section, University of Verona
| | - Flavia Carton
- Department of Neurosciences, Biomedicine and Movement Sciences, Anatomy and Histology Section, University of Verona,*Present address: Department of Health Sciences, University of Piemonte Orientale “A. Avogadro”, Novara, Italy
| | - Ilaria Andreana
- Department of Drug Science and Technology, University of Turin, Italy
| | | | - Silvia Arpicco
- Department of Drug Science and Technology, University of Turin, Italy
| | - Barbara Stella
- Department of Drug Science and Technology, University of Turin, Italy
| | - Manuela Malatesta
- Department of Neurosciences, Biomedicine and Movement Sciences, Anatomy and Histology Section, University of Verona,Correspondence: Prof. Manuela Malatesta, Department of Neurosciences, Biomedicine and Movement Sciences, Anatomy and Histology Section, University of Verona, Strada Le Grazie 8, 37134 Verona, Italy. Tel. +39.045.8027569. .
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6
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Ahmed Z, Qaisar R. Nanomedicine for Treating Muscle Dystrophies: Opportunities, Challenges, and Future Perspectives. Int J Mol Sci 2022; 23:ijms231912039. [PMID: 36233338 PMCID: PMC9569435 DOI: 10.3390/ijms231912039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 10/08/2022] [Accepted: 10/08/2022] [Indexed: 11/16/2022] Open
Abstract
Muscular dystrophies are a group of genetic muscular diseases characterized by impaired muscle regeneration, which leads to pathological inflammation that drives muscle wasting and eventually results in weakness, functional dependency, and premature death. The most known causes of death include respiratory muscle failure due to diaphragm muscle decay. There is no definitive treatment for muscular dystrophies, and conventional therapies aim to ameliorate muscle wasting by promoting physiological muscle regeneration and growth. However, their effects on muscle function remain limited, illustrating the requirement for major advancements in novel approaches to treatments, such as nanomedicine. Nanomedicine is a rapidly evolving field that seeks to optimize drug delivery to target tissues by merging pharmaceutical and biomedical sciences. However, the therapeutic potential of nanomedicine in muscular dystrophies is poorly understood. This review highlights recent work in the application of nanomedicine in treating muscular dystrophies. First, we discuss the history and applications of nanomedicine from a broader perspective. Second, we address the use of nanoparticles for drug delivery, gene regulation, and editing to target Duchenne muscular dystrophy and myotonic dystrophy. Next, we highlight the potential hindrances and limitations of using nanomedicine in the context of cell culture and animal models. Finally, the future perspectives for using nanomedicine in clinics are summarized with relevance to muscular dystrophies.
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Affiliation(s)
- Zaheer Ahmed
- Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, 52074 Aachen, Germany
| | - Rizwan Qaisar
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah 27272, United Arab Emirates
- Cardiovascular Research Group, Sharjah Institute for Medical Research, University of Sharjah, Sharjah 27272, United Arab Emirates
- Correspondence: ; Tel.: +971-6505-7254; Fax: +971-6558-5879
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7
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Yamaji R, Nakagawa O, Kishimoto Y, Fujii A, Matsumura T, Nakayama T, Kamada H, Osawa T, Yamaguchi T, Obika S. Synthesis and physical and biological properties of 1,3-diaza-2-oxophenoxazine-conjugated oligonucleotides. Bioorg Med Chem 2022; 72:116972. [DOI: 10.1016/j.bmc.2022.116972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 08/18/2022] [Accepted: 08/19/2022] [Indexed: 11/26/2022]
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Abstract
Pentamidine (PTM), which is a diamine that is widely known for its antimicrobial activity, is a very interesting drug whose mechanism of action is not fully understood. In recent years, PTM has been proposed as a novel potential drug candidate for the treatment of mental illnesses, myotonic dystrophy, diabetes, and tumors. Nevertheless, the systemic administration of PTM causes severe side effects, especially nephrotoxicity. In order to efficiently deliver PTM and reduce its side effects, several nanosystems that take advantage of the chemical characteristics of PTM, such as the presence of two positively charged amidine groups at physiological pH, have been proposed as useful delivery tools. Polymeric, lipidic, inorganic, and other types of nanocarriers have been reported in the literature for PTM delivery, and they are all in different development phases. The available approaches for the design of PTM nanoparticulate delivery systems are reported in this review, with a particular emphasis on formulation strategies and in vitro/in vivo applications. Furthermore, a critical view of the future developments of nanomedicine for PTM applications, based on recent repurposing studies, is provided. Created with BioRender.com.
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González-Jamett A, Vásquez W, Cifuentes-Riveros G, Martínez-Pando R, Sáez JC, Cárdenas AM. Oxidative Stress, Inflammation and Connexin Hemichannels in Muscular Dystrophies. Biomedicines 2022; 10:biomedicines10020507. [PMID: 35203715 PMCID: PMC8962419 DOI: 10.3390/biomedicines10020507] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 02/13/2022] [Accepted: 02/15/2022] [Indexed: 12/16/2022] Open
Abstract
Muscular dystrophies (MDs) are a heterogeneous group of congenital neuromuscular disorders whose clinical signs include myalgia, skeletal muscle weakness, hypotonia, and atrophy that leads to progressive muscle disability and loss of ambulation. MDs can also affect cardiac and respiratory muscles, impairing life-expectancy. MDs in clude Duchenne muscular dystrophy, Emery-Dreifuss muscular dystrophy, facioscapulohumeral muscular dystrophy and limb-girdle muscular dystrophy. These and other MDs are caused by mutations in genes that encode proteins responsible for the structure and function of skeletal muscles, such as components of the dystrophin-glycoprotein-complex that connect the sarcomeric-actin with the extracellular matrix, allowing contractile force transmission and providing stability during muscle contraction. Consequently, in dystrophic conditions in which such proteins are affected, muscle integrity is disrupted, leading to local inflammatory responses, oxidative stress, Ca2+-dyshomeostasis and muscle degeneration. In this scenario, dysregulation of connexin hemichannels seem to be an early disruptor of the homeostasis that further plays a relevant role in these processes. The interaction between all these elements constitutes a positive feedback loop that contributes to the worsening of the diseases. Thus, we discuss here the interplay between inflammation, oxidative stress and connexin hemichannels in the progression of MDs and their potential as therapeutic targets.
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Affiliation(s)
- Arlek González-Jamett
- Centro Interdisciplinario de Neurociencia de Valparaíso, Facultad de Ciencias, Universidad de Valparaíso, Valparaíso 2360102, Chile; (W.V.); (J.C.S.)
- Escuela de Química y Farmacia, Facultad de Farmacia, Universidad de Valparaíso, Valparaíso 2360102, Chile; (G.C.-R.); (R.M.-P.)
- Correspondence: (A.G.-J.); (A.M.C.)
| | - Walter Vásquez
- Centro Interdisciplinario de Neurociencia de Valparaíso, Facultad de Ciencias, Universidad de Valparaíso, Valparaíso 2360102, Chile; (W.V.); (J.C.S.)
| | - Gabriela Cifuentes-Riveros
- Escuela de Química y Farmacia, Facultad de Farmacia, Universidad de Valparaíso, Valparaíso 2360102, Chile; (G.C.-R.); (R.M.-P.)
| | - Rafaela Martínez-Pando
- Escuela de Química y Farmacia, Facultad de Farmacia, Universidad de Valparaíso, Valparaíso 2360102, Chile; (G.C.-R.); (R.M.-P.)
| | - Juan C. Sáez
- Centro Interdisciplinario de Neurociencia de Valparaíso, Facultad de Ciencias, Universidad de Valparaíso, Valparaíso 2360102, Chile; (W.V.); (J.C.S.)
| | - Ana M. Cárdenas
- Centro Interdisciplinario de Neurociencia de Valparaíso, Facultad de Ciencias, Universidad de Valparaíso, Valparaíso 2360102, Chile; (W.V.); (J.C.S.)
- Correspondence: (A.G.-J.); (A.M.C.)
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Angelini G, Mura G, Messina G. Therapeutic approaches to preserve the musculature in Duchenne Muscular Dystrophy: The importance of the secondary therapies. Exp Cell Res 2022; 410:112968. [PMID: 34883113 DOI: 10.1016/j.yexcr.2021.112968] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 11/15/2021] [Accepted: 12/04/2021] [Indexed: 02/07/2023]
Abstract
Muscular dystrophies (MDs) are heterogeneous diseases, characterized by primary wasting of skeletal muscle, which in severe cases, such as Duchenne Muscular Dystrophy (DMD), leads to wheelchair dependency, respiratory failure, and premature death. Research is ongoing to develop efficacious therapies, particularly for DMD. Most of the efforts, currently focusing on correcting or restoring the primary defect of MDs, are based on gene-addition, exon-skipping, stop codon read-through, and genome-editing. Although promising, most of them revealed several practical limitations. Shared knowledge in the field is that, in order to be really successful, any therapeutic approach has to rely on spared functional muscle tissue, restricting the number of patients eligible for clinical trials to the youngest and less compromised individuals. In line with this, many therapeutic strategies aim to preserve muscle tissue and function. This Review outlines the most interesting and recent studies addressing the secondary outcomes of DMD and how to better deliver the therapeutic agents. In the future, the effective treatment of DMD will likely require combinations of therapies addressing both the primary genetic defect and its consequences.
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Affiliation(s)
- Giuseppe Angelini
- Department of Biosciences, University of Milan, Via Celoria 26, 20133, Milan, Italy
| | - Giada Mura
- Department of Biosciences, University of Milan, Via Celoria 26, 20133, Milan, Italy
| | - Graziella Messina
- Department of Biosciences, University of Milan, Via Celoria 26, 20133, Milan, Italy.
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Transmission Electron Microscopy as a Powerful Tool to Investigate the Interaction of Nanoparticles with Subcellular Structures. Int J Mol Sci 2021; 22:ijms222312789. [PMID: 34884592 PMCID: PMC8657944 DOI: 10.3390/ijms222312789] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 11/21/2021] [Accepted: 11/25/2021] [Indexed: 12/15/2022] Open
Abstract
Nanomedical research necessarily involves the study of the interactions between nanoparticulates and the biological environment. Transmission electron microscopy has proven to be a powerful tool in providing information about nanoparticle uptake, biodistribution and relationships with cell and tissue components, thanks to its high resolution. This article aims to overview the transmission electron microscopy techniques used to explore the impact of nanoconstructs on biological systems, highlighting the functional value of ultrastructural morphology, histochemistry and microanalysis as well as their fundamental contribution to the advancement of nanomedicine.
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12
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Liu J, Guo ZN, Yan XL, Yang Y, Huang S. Brain Pathogenesis and Potential Therapeutic Strategies in Myotonic Dystrophy Type 1. Front Aging Neurosci 2021; 13:755392. [PMID: 34867280 PMCID: PMC8634727 DOI: 10.3389/fnagi.2021.755392] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Accepted: 10/20/2021] [Indexed: 12/17/2022] Open
Abstract
Myotonic dystrophy type 1 (DM1) is the most common muscular dystrophy that affects multiple systems including the muscle and heart. The mutant CTG expansion at the 3'-UTR of the DMPK gene causes the expression of toxic RNA that aggregate as nuclear foci. The foci then interfere with RNA-binding proteins, affecting hundreds of mis-spliced effector genes, leading to aberrant alternative splicing and loss of effector gene product functions, ultimately resulting in systemic disorders. In recent years, increasing clinical, imaging, and pathological evidence have indicated that DM1, though to a lesser extent, could also be recognized as true brain diseases, with more and more researchers dedicating to develop novel therapeutic tools dealing with it. In this review, we summarize the current advances in the pathogenesis and pathology of central nervous system (CNS) deficits in DM1, intervention measures currently being investigated are also highlighted, aiming to promote novel and cutting-edge therapeutic investigations.
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Affiliation(s)
- Jie Liu
- Department of Neurology, Stroke Center & Clinical Trial and Research Center for Stroke, The First Hospital of Jilin University, Changchun, China
- China National Comprehensive Stroke Center, Changchun, China
- Jilin Provincial Key Laboratory of Cerebrovascular Disease, Changchun, China
| | - Zhen-Ni Guo
- Department of Neurology, Stroke Center & Clinical Trial and Research Center for Stroke, The First Hospital of Jilin University, Changchun, China
- China National Comprehensive Stroke Center, Changchun, China
- Jilin Provincial Key Laboratory of Cerebrovascular Disease, Changchun, China
| | - Xiu-Li Yan
- Department of Neurology, Stroke Center & Clinical Trial and Research Center for Stroke, The First Hospital of Jilin University, Changchun, China
| | - Yi Yang
- Department of Neurology, Stroke Center & Clinical Trial and Research Center for Stroke, The First Hospital of Jilin University, Changchun, China
- China National Comprehensive Stroke Center, Changchun, China
- Jilin Provincial Key Laboratory of Cerebrovascular Disease, Changchun, China
| | - Shuo Huang
- Department of Neurology, Stroke Center & Clinical Trial and Research Center for Stroke, The First Hospital of Jilin University, Changchun, China
- China National Comprehensive Stroke Center, Changchun, China
- Jilin Provincial Key Laboratory of Cerebrovascular Disease, Changchun, China
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13
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Naeem M, Hoque MZ, Ovais M, Basheer C, Ahmad I. Stimulus-Responsive Smart Nanoparticles-Based CRISPR-Cas Delivery for Therapeutic Genome Editing. Int J Mol Sci 2021; 22:11300. [PMID: 34681959 PMCID: PMC8540563 DOI: 10.3390/ijms222011300] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Revised: 10/04/2021] [Accepted: 10/15/2021] [Indexed: 12/21/2022] Open
Abstract
The innovative research in genome editing domains such as CRISPR-Cas technology has enabled genetic engineers to manipulate the genomes of living organisms effectively in order to develop the next generation of therapeutic tools. This technique has started the new era of "genome surgery". Despite these advances, the barriers of CRISPR-Cas9 techniques in clinical applications include efficient delivery of CRISPR/Cas9 and risk of off-target effects. Various types of viral and non-viral vectors are designed to deliver the CRISPR/Cas9 machinery into the desired cell. These methods still suffer difficulties such as immune response, lack of specificity, and efficiency. The extracellular and intracellular environments of cells and tissues differ in pH, redox species, enzyme activity, and light sensitivity. Recently, smart nanoparticles have been synthesized for CRISPR/Cas9 delivery to cells based on endogenous (pH, enzyme, redox specie, ATP) and exogenous (magnetic, ultrasound, temperature, light) stimulus signals. These methodologies can leverage genome editing through biological signals found within disease cells with less off-target effects. Here, we review the recent advances in stimulus-based smart nanoparticles to deliver the CRISPR/Cas9 machinery into the desired cell. This review article will provide extensive information to cautiously utilize smart nanoparticles for basic biomedical applications and therapeutic genome editing.
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Affiliation(s)
- Muhammad Naeem
- Department of Bioengineering, King Fahd University of Petroleum and Minerals (KFUPM), Dhahran 31261, Saudi Arabia; (M.N.); (M.Z.H.)
| | - Mubasher Zahir Hoque
- Department of Bioengineering, King Fahd University of Petroleum and Minerals (KFUPM), Dhahran 31261, Saudi Arabia; (M.N.); (M.Z.H.)
| | - Muhammad Ovais
- National Center for Nanosciences and Nanotechnology (NCNST), Beijing 100190, China;
| | - Chanbasha Basheer
- Chemistry Department, King Fahd University of Petroleum and Minerals (KFUPM), Dhahran 31261, Saudi Arabia;
| | - Irshad Ahmad
- Department of Bioengineering, King Fahd University of Petroleum and Minerals (KFUPM), Dhahran 31261, Saudi Arabia; (M.N.); (M.Z.H.)
- Interdisciplinary Research Center for Membranes and Water Security, King Fahd University of Petroleum and Minerals (KFUPM), Dhahran 31261, Saudi Arabia
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Carton F, Di Francesco D, Fusaro L, Zanella E, Apostolo C, Oltolina F, Cotella D, Prat M, Boccafoschi F. Myogenic Potential of Extracellular Matrix Derived from Decellularized Bovine Pericardium. Int J Mol Sci 2021; 22:ijms22179406. [PMID: 34502309 PMCID: PMC8431302 DOI: 10.3390/ijms22179406] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 08/18/2021] [Accepted: 08/23/2021] [Indexed: 12/12/2022] Open
Abstract
Skeletal muscles represent 40% of body mass and its native regenerative capacity can be permanently lost after a traumatic injury, congenital diseases, or tumor ablation. The absence of physiological regeneration can hinder muscle repair preventing normal muscle tissue functions. To date, tissue engineering (TE) represents one promising option for treating muscle injuries and wasting. In particular, hydrogels derived from the decellularized extracellular matrix (dECM) are widely investigated in tissue engineering applications thanks to their essential role in guiding muscle regeneration. In this work, the myogenic potential of dECM substrate, obtained from decellularized bovine pericardium (Tissuegraft Srl), was evaluated in vitro using C2C12 murine muscle cells. To assess myotubes formation, the width, length, and fusion indexes were measured during the differentiation time course. Additionally, the ability of dECM to support myogenesis was assessed by measuring the expression of specific myogenic markers: α-smooth muscle actin (α-sma), myogenin, and myosin heavy chain (MHC). The results obtained suggest that the dECM niche was able to support and enhance the myogenic potential of C2C12 cells in comparison of those grown on a plastic standard surface. Thus, the use of extracellular matrix proteins, as biomaterial supports, could represent a promising therapeutic strategy for skeletal muscle tissue engineering.
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Affiliation(s)
- Flavia Carton
- Department of Health Sciences, University of Piemonte Orientale “A. Avogadro”, 28100 Novara, Italy; (F.C.); (D.D.F.); (E.Z.); (C.A.); (F.O.); (D.C.); (M.P.)
| | - Dalila Di Francesco
- Department of Health Sciences, University of Piemonte Orientale “A. Avogadro”, 28100 Novara, Italy; (F.C.); (D.D.F.); (E.Z.); (C.A.); (F.O.); (D.C.); (M.P.)
| | | | - Emma Zanella
- Department of Health Sciences, University of Piemonte Orientale “A. Avogadro”, 28100 Novara, Italy; (F.C.); (D.D.F.); (E.Z.); (C.A.); (F.O.); (D.C.); (M.P.)
| | - Claudio Apostolo
- Department of Health Sciences, University of Piemonte Orientale “A. Avogadro”, 28100 Novara, Italy; (F.C.); (D.D.F.); (E.Z.); (C.A.); (F.O.); (D.C.); (M.P.)
| | - Francesca Oltolina
- Department of Health Sciences, University of Piemonte Orientale “A. Avogadro”, 28100 Novara, Italy; (F.C.); (D.D.F.); (E.Z.); (C.A.); (F.O.); (D.C.); (M.P.)
| | - Diego Cotella
- Department of Health Sciences, University of Piemonte Orientale “A. Avogadro”, 28100 Novara, Italy; (F.C.); (D.D.F.); (E.Z.); (C.A.); (F.O.); (D.C.); (M.P.)
| | - Maria Prat
- Department of Health Sciences, University of Piemonte Orientale “A. Avogadro”, 28100 Novara, Italy; (F.C.); (D.D.F.); (E.Z.); (C.A.); (F.O.); (D.C.); (M.P.)
| | - Francesca Boccafoschi
- Department of Health Sciences, University of Piemonte Orientale “A. Avogadro”, 28100 Novara, Italy; (F.C.); (D.D.F.); (E.Z.); (C.A.); (F.O.); (D.C.); (M.P.)
- Correspondence: ; Tel.: +39-0321-660-556
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