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Banda A, Impomeni O, Singh A, Baloch AR, Hu W, Jaijyan DK. Precision in Action: The Role of Clustered Regularly Interspaced Short Palindromic Repeats/Cas in Gene Therapies. Vaccines (Basel) 2024; 12:636. [PMID: 38932365 PMCID: PMC11209408 DOI: 10.3390/vaccines12060636] [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: 04/14/2024] [Revised: 05/21/2024] [Accepted: 06/04/2024] [Indexed: 06/28/2024] Open
Abstract
Clustered Regularly Interspaced Short Palindromic Repeat (CRISPR)-associated enzyme-CAS holds great promise for treating many uncured human diseases and illnesses by precisely correcting harmful point mutations and disrupting disease-causing genes. The recent Food and Drug Association (FDA) approval of the first CRISPR-based gene therapy for sickle cell anemia marks the beginning of a new era in gene editing. However, delivering CRISPR specifically into diseased cells in vivo is a significant challenge and an area of intense research. The identification of new CRISPR/Cas variants, particularly ultra-compact CAS systems with robust gene editing activities, paves the way for the low-capacity delivery vectors to be used in gene therapies. CRISPR/Cas technology has evolved beyond editing DNA to cover a wide spectrum of functionalities, including RNA targeting, disease diagnosis, transcriptional/epigenetic regulation, chromatin imaging, high-throughput screening, and new disease modeling. CRISPR/Cas can be used to engineer B-cells to produce potent antibodies for more effective vaccines and enhance CAR T-cells for the more precise and efficient targeting of tumor cells. However, CRISPR/Cas technology has challenges, including off-target effects, toxicity, immune responses, and inadequate tissue-specific delivery. Overcoming these challenges necessitates the development of a more effective and specific CRISPR/Cas delivery system. This entails strategically utilizing specific gRNAs in conjunction with robust CRISPR/Cas variants to mitigate off-target effects. This review seeks to delve into the intricacies of the CRISPR/Cas mechanism, explore progress in gene therapies, evaluate gene delivery systems, highlight limitations, outline necessary precautions, and scrutinize the ethical considerations associated with its application.
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Affiliation(s)
- Amrutha Banda
- Department of Biology, The College of New Jersey, Ewing Township, NJ 08618, USA
| | - Olivia Impomeni
- Department of Biology, The College of New Jersey, Ewing Township, NJ 08618, USA
| | - Aparana Singh
- Department of Chemistry, National Institute of Technology Agartala, Agartala 799046, India;
| | - Abdul Rasheed Baloch
- Department of Anatomy and Neurobiology, School of Medicine, Virginia Commonwealth University, Richmond, VA 23284, USA;
| | - Wenhui Hu
- Department of Anatomy and Neurobiology, School of Medicine, Virginia Commonwealth University, Richmond, VA 23284, USA;
| | - Dabbu Kumar Jaijyan
- Department of Anatomy and Neurobiology, School of Medicine, Virginia Commonwealth University, Richmond, VA 23284, USA;
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2
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Hwang I, Lee JY, Kim TH, Lee EJ, Kim J, Park H, Hur MG, Lee S, Park JH. A radioactive CRISPR interference system using 89Zr-labeled LbCas12a. J Control Release 2024; 365:703-715. [PMID: 38016489 DOI: 10.1016/j.jconrel.2023.11.045] [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: 07/31/2023] [Revised: 11/08/2023] [Accepted: 11/22/2023] [Indexed: 11/30/2023]
Abstract
Recently, CRISPR proteins have been recognized as promising candidates for drug development. However, there is still a lack of substances with the appropriate sensitivity and stability for targeted drug delivery systems. 89Zr is a radioactive isotope that emits positrons, allowing real-time in vivo tracking with proven safety. In this study, we confirmed that labeling with 89Zr did not compromise the functionality of CRISPR proteins during in vivo behavioral imaging. Furthermore, we demonstrated the therapeutic efficacy of the CRISPR interference system in a mouse model of liver fibrosis, highlighting the theragnostic potential of isotope-labeled CRISPR proteins. The findings of this research could contribute to various aspects of ongoing clinical studies exploring the in vivo applications of CRISPR proteins.
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Affiliation(s)
- Injoo Hwang
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Republic of Korea
| | - Jun Young Lee
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Republic of Korea
| | - Tae-Hyun Kim
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Republic of Korea
| | - Eun Ju Lee
- Biomedical Research Institute, Seoul National University Hospital, Republic of Korea
| | - Jeeho Kim
- Department of Pharmacology, Chosun University School of Medicine, Republic of Korea
| | - Hyomin Park
- Molecular Medicine & Biopharmaceutical Sciences, Seoul National University, Republic of Korea
| | - Min Goo Hur
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Republic of Korea
| | - Sanghwa Lee
- Department of Medical Life Science, Catholic University of Korea College of Medicine, Republic of Korea
| | - Jeong-Hoon Park
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Republic of Korea.
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3
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Ferrari Aggradi CR, Rimoldi M, Romagnoli G, Velardo D, Meneri M, Iacobucci D, Ripolone M, Napoli L, Ciscato P, Moggio M, Comi GP, Ronchi D, Corti S, Abati E. Lafora Disease: A Case Report and Evolving Treatment Advancements. Brain Sci 2023; 13:1679. [PMID: 38137127 PMCID: PMC10742041 DOI: 10.3390/brainsci13121679] [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: 10/18/2023] [Revised: 11/20/2023] [Accepted: 12/03/2023] [Indexed: 12/24/2023] Open
Abstract
Lafora disease is a rare genetic disorder characterized by a disruption in glycogen metabolism. It manifests as progressive myoclonus epilepsy and cognitive decline during adolescence. Pathognomonic is the presence of abnormal glycogen aggregates that, over time, produce large inclusions (Lafora bodies) in various tissues. This study aims to describe the clinical and histopathological aspects of a novel Lafora disease patient, and to provide an update on the therapeutical advancements for this disorder. A 20-year-old Libyan boy presented with generalized tonic-clonic seizures, sporadic muscular jerks, eyelid spasms, and mental impairment. Electroencephalography showed multiple discharges across both brain hemispheres. Brain magnetic resonance imaging was unremarkable. Muscle biopsy showed increased lipid content and a very mild increase of intermyofibrillar glycogen, without the polyglucosan accumulation typically observed in Lafora bodies. Despite undergoing three lines of antiepileptic treatment, the patient's condition showed minimal to no improvement. We identified the homozygous variant c.137G>A, p.(Cys46Tyr), in the EPM2B/NHLRC1 gene, confirming the diagnosis of Lafora disease. To our knowledge, the presence of lipid aggregates without Lafora bodies is atypical. Lafora disease should be considered during the differential diagnosis of progressive, myoclonic, and refractory epilepsies in both children and young adults, especially when accompanied by cognitive decline. Although there are no effective therapies yet, the development of promising new strategies prompts the need for an early and accurate diagnosis.
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Affiliation(s)
- Carola Rita Ferrari Aggradi
- Dino Ferrari Centre, Department of Pathophysiology and Transplantation (DEPT), University of Milan, 20122 Milan, Italy; (C.R.F.A.); (G.R.); (M.M.); (G.P.C.); (D.R.)
| | - Martina Rimoldi
- Neuromuscular and Rare Diseases Unit, Department of Neuroscience, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy; (M.R.); (D.V.); (M.R.); (P.C.); (M.M.)
- Medical Genetics Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
| | - Gloria Romagnoli
- Dino Ferrari Centre, Department of Pathophysiology and Transplantation (DEPT), University of Milan, 20122 Milan, Italy; (C.R.F.A.); (G.R.); (M.M.); (G.P.C.); (D.R.)
| | - Daniele Velardo
- Neuromuscular and Rare Diseases Unit, Department of Neuroscience, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy; (M.R.); (D.V.); (M.R.); (P.C.); (M.M.)
| | - Megi Meneri
- Dino Ferrari Centre, Department of Pathophysiology and Transplantation (DEPT), University of Milan, 20122 Milan, Italy; (C.R.F.A.); (G.R.); (M.M.); (G.P.C.); (D.R.)
- Stroke Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
| | - Davide Iacobucci
- Neurology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
| | - Michela Ripolone
- Neuromuscular and Rare Diseases Unit, Department of Neuroscience, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy; (M.R.); (D.V.); (M.R.); (P.C.); (M.M.)
| | - Laura Napoli
- Neuromuscular and Rare Diseases Unit, Department of Neuroscience, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy; (M.R.); (D.V.); (M.R.); (P.C.); (M.M.)
| | - Patrizia Ciscato
- Neuromuscular and Rare Diseases Unit, Department of Neuroscience, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy; (M.R.); (D.V.); (M.R.); (P.C.); (M.M.)
| | - Maurizio Moggio
- Neuromuscular and Rare Diseases Unit, Department of Neuroscience, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy; (M.R.); (D.V.); (M.R.); (P.C.); (M.M.)
| | - Giacomo Pietro Comi
- Dino Ferrari Centre, Department of Pathophysiology and Transplantation (DEPT), University of Milan, 20122 Milan, Italy; (C.R.F.A.); (G.R.); (M.M.); (G.P.C.); (D.R.)
- Neurology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
| | - Dario Ronchi
- Dino Ferrari Centre, Department of Pathophysiology and Transplantation (DEPT), University of Milan, 20122 Milan, Italy; (C.R.F.A.); (G.R.); (M.M.); (G.P.C.); (D.R.)
- Neurology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
| | - Stefania Corti
- Dino Ferrari Centre, Department of Pathophysiology and Transplantation (DEPT), University of Milan, 20122 Milan, Italy; (C.R.F.A.); (G.R.); (M.M.); (G.P.C.); (D.R.)
- Neuromuscular and Rare Diseases Unit, Department of Neuroscience, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy; (M.R.); (D.V.); (M.R.); (P.C.); (M.M.)
| | - Elena Abati
- Dino Ferrari Centre, Department of Pathophysiology and Transplantation (DEPT), University of Milan, 20122 Milan, Italy; (C.R.F.A.); (G.R.); (M.M.); (G.P.C.); (D.R.)
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Li L, Vasan L, Kartono B, Clifford K, Attarpour A, Sharma R, Mandrozos M, Kim A, Zhao W, Belotserkovsky A, Verkuyl C, Schmitt-Ulms G. Advances in Recombinant Adeno-Associated Virus Vectors for Neurodegenerative Diseases. Biomedicines 2023; 11:2725. [PMID: 37893099 PMCID: PMC10603849 DOI: 10.3390/biomedicines11102725] [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: 09/08/2023] [Revised: 09/29/2023] [Accepted: 10/03/2023] [Indexed: 10/29/2023] Open
Abstract
Recombinant adeno-associated virus (rAAV) vectors are gene therapy delivery tools that offer a promising platform for the treatment of neurodegenerative diseases. Keeping up with developments in this fast-moving area of research is a challenge. This review was thus written with the intention to introduce this field of study to those who are new to it and direct others who are struggling to stay abreast of the literature towards notable recent studies. In ten sections, we briefly highlight early milestones within this field and its first clinical success stories. We showcase current clinical trials, which focus on gene replacement, gene augmentation, or gene suppression strategies. Next, we discuss ongoing efforts to improve the tropism of rAAV vectors for brain applications and introduce pre-clinical research directed toward harnessing rAAV vectors for gene editing applications. Subsequently, we present common genetic elements coded by the single-stranded DNA of rAAV vectors, their so-called payloads. Our focus is on recent advances that are bound to increase treatment efficacies. As needed, we included studies outside the neurodegenerative disease field that showcased improved pre-clinical designs of all-in-one rAAV vectors for gene editing applications. Finally, we discuss risks associated with off-target effects and inadvertent immunogenicity that these technologies harbor as well as the mitigation strategies available to date to make their application safer.
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Affiliation(s)
- Leyao Li
- Department of Biochemistry, University of Toronto, Medical Sciences Building, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
- Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Krembil Discovery Centre, 6th Floor, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada
| | - Lakshmy Vasan
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Medical Sciences Building, 6th Floor, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
| | - Bryan Kartono
- Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Krembil Discovery Centre, 6th Floor, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Medical Sciences Building, 6th Floor, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
| | - Kevan Clifford
- Institute of Medical Science, University of Toronto, Medical Sciences Building, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
- Centre for Addiction and Mental Health (CAMH), 250 College St., Toronto, ON M5T 1R8, Canada
| | - Ahmadreza Attarpour
- Department of Medical Biophysics, University of Toronto, 101 College St., Toronto, ON M5G 1L7, Canada
| | - Raghav Sharma
- Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Krembil Discovery Centre, 6th Floor, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Medical Sciences Building, 6th Floor, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
| | - Matthew Mandrozos
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Medical Sciences Building, 6th Floor, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
| | - Ain Kim
- Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Krembil Discovery Centre, 6th Floor, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Medical Sciences Building, 6th Floor, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
| | - Wenda Zhao
- Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Krembil Discovery Centre, 6th Floor, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Medical Sciences Building, 6th Floor, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
| | - Ari Belotserkovsky
- Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Krembil Discovery Centre, 6th Floor, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Medical Sciences Building, 6th Floor, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
| | - Claire Verkuyl
- Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Krembil Discovery Centre, 6th Floor, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Medical Sciences Building, 6th Floor, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
| | - Gerold Schmitt-Ulms
- Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Krembil Discovery Centre, 6th Floor, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Medical Sciences Building, 6th Floor, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
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5
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Sowbhagya R, Muktha H, Ramakrishnaiah TN, Surendra AS, Tanvi Y, Nivitha K, Rajashekara S. CRISPR/Cas-mediated genome editing in mice for the development of drug delivery mechanism. Mol Biol Rep 2023; 50:7729-7743. [PMID: 37438488 DOI: 10.1007/s11033-023-08659-z] [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: 08/30/2022] [Accepted: 06/30/2023] [Indexed: 07/14/2023]
Abstract
BACKGROUND To manipulate particular locations in the bacterial genome, researchers have recently resorted to a group of unique sequences in bacterial genomes that are responsible for safeguarding bacteria against bacteriophages. Clustered regularly interspaced short palindromic repeats (CRISPR) and CRISPR-associated protein 9 (Cas9) are two such systems, each of which consists of an RNA component and an enzyme component. METHODS AND RESULTS This review focuses primarily on how CRISPR/Cas9 technology can be used to make models to study human diseases in mice. Creating RNA molecules that direct endonucleases to a specific position in the genome are crucial for achieving a specific genetic modification. CRISPR/Cas9 technology has allowed scientists to edit the genome with greater precision than ever before. Researchers can use knock-in and knock-out methods to model human diseases such as Neurological, cardiovascular disease, and cancer. CONCLUSIONS In terms of developing innovative methods to discover ailments for diseases/disorders, improved CRISPR/Cas9 technology will provide easier access to valuable novel animal models.
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Affiliation(s)
- Ramachandregowda Sowbhagya
- Department of Biotechnology and Genetics, M.S. Ramaiah College of Arts, Science and Commerce, 7th Main Rd, MSRIT, M S R Nagar, Mathikere, Bengaluru, Karnataka, 560 054, India
| | - Harsha Muktha
- Department of Biotechnology and Genetics, M.S. Ramaiah College of Arts, Science and Commerce, 7th Main Rd, MSRIT, M S R Nagar, Mathikere, Bengaluru, Karnataka, 560 054, India
| | - Thippenahalli Narasimhaiah Ramakrishnaiah
- Department of Biotechnology and Genetics, M.S. Ramaiah College of Arts, Science and Commerce, 7th Main Rd, MSRIT, M S R Nagar, Mathikere, Bengaluru, Karnataka, 560 054, India
| | - Adagur Sudarshan Surendra
- Department of Biochemistry, M.S. Ramaiah College of Arts, Science and Commerce, 7th Main Rd, MSRIT, M S R Nagar, Mathikere, Bengaluru, Karnataka, 560 054, India
| | - Yesudas Tanvi
- Department of Biotechnology and Genetics, M.S. Ramaiah College of Arts, Science and Commerce, 7th Main Rd, MSRIT, M S R Nagar, Mathikere, Bengaluru, Karnataka, 560 054, India
| | - Karayi Nivitha
- Department of Biotechnology and Genetics, M.S. Ramaiah College of Arts, Science and Commerce, 7th Main Rd, MSRIT, M S R Nagar, Mathikere, Bengaluru, Karnataka, 560 054, India
| | - Somashekara Rajashekara
- Centre for Applied Genetics, Department of Studies in Zoology, Bangalore University, Jnana Bharathi Campus, Off Mysuru Road, Bengaluru, Karnataka, 560 056, India.
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Ye Y, Li S, Xiao L, Chang J. Editorial: Complementary therapies for neurological disorders: from bench to clinical practices. Front Neurol 2023; 14:1224144. [PMID: 37388551 PMCID: PMC10306163 DOI: 10.3389/fneur.2023.1224144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 06/05/2023] [Indexed: 07/01/2023] Open
Affiliation(s)
- Yang Ye
- Department of Traditional Chinese Medicine, Peking University Third Hospital, Beijing, China
| | - Shuren Li
- Department of Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, Vienna, Austria
| | - Lingyong Xiao
- Clinical Department of Acupuncture and Moxibustion, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Jingling Chang
- Department of Neurology, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
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7
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Conner LT, Srinageshwar B, Bakke JL, Dunbar GL, Rossignol J. Advances in stem cell and other therapies for Huntington's disease: An update. Brain Res Bull 2023:110673. [PMID: 37257627 DOI: 10.1016/j.brainresbull.2023.110673] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 05/17/2023] [Accepted: 05/26/2023] [Indexed: 06/02/2023]
Abstract
Huntington's disease (HD) is a neurodegenerative disorder caused by an autosomal dominant mutation leading to an abnormal CAG repeat expansion. The result is the synthesis of a toxic misfolded protein, called the mutant huntingtin protein (mHTT). Most current treatments are palliative, but the latest research has expanded into multiple modalities, including stem cells, gene therapy, and even the use of 3D cell structures, called organoids. Stem cell research as a treatment for HD has included the use of various types of stem cells, such as mesenchymal stem cells, neural stem cells, embryonic stem cells, and even reprogrammed stem cells called induced pluripotent stem cells. The goal has been to develop stem cell transplant grafts that will replace the existing mutated neurons, as well as release existing trophic factors for neuronal support. Additionally, research in gene modification using CRISPR-Cas9, PRIME editing, and other forms of genetic modifications are continuing to evolve. Most recently, advancements in stem cell modeling have yielded 3D stem cell tissue models, called organoids. These organoids offer the unique opportunity to transplant a structured stem cell graft which, ideally, models normal human brain tissue more accurately. This manuscript summarizes the recent research in stem cells, genetic modifications, and organoids as a potential for treatment of HD.
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Affiliation(s)
| | - B Srinageshwar
- College of Medicine; Program in Neuroscience; Field Neurosciences Institute Laboratory for Restorative Neurology
| | - J L Bakke
- College of Medicine; Biochemistry, Cell and Molecular Biology
| | - G L Dunbar
- Program in Neuroscience; Field Neurosciences Institute Laboratory for Restorative Neurology; Department of Psychology, Central Michigan University, Mount Pleasant, MI 48859, USA
| | - J Rossignol
- College of Medicine; Program in Neuroscience; Field Neurosciences Institute Laboratory for Restorative Neurology.
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8
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Lyra P, Machado V, Rota S, Chaudhuri KR, Botelho J, Mendes JJ. Revisiting Alpha-Synuclein Pathways to Inflammation. Int J Mol Sci 2023; 24:ijms24087137. [PMID: 37108299 PMCID: PMC10138587 DOI: 10.3390/ijms24087137] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 04/10/2023] [Accepted: 04/11/2023] [Indexed: 04/29/2023] Open
Abstract
Alpha-synuclein (α-Syn) is a short presynaptic protein with an active role on synaptic vesicle traffic and the neurotransmitter release and reuptake cycle. The α-Syn pathology intertwines with the formation of Lewy Bodies (multiprotein intraneuronal aggregations), which, combined with inflammatory events, define various α-synucleinopathies, such as Parkinson's Disease (PD). In this review, we summarize the current knowledge on α-Syn mechanistic pathways to inflammation, as well as the eventual role of microbial dysbiosis on α-Syn. Furthermore, we explore the possible influence of inflammatory mitigation on α-Syn. In conclusion, and given the rising burden of neurodegenerative disorders, it is pressing to clarify the pathophysiological processes underlying α-synucleinopathies, in order to consider the mitigation of existing low-grade chronic inflammatory states as a potential pathway toward the management and prevention of such conditions, with the aim of starting to search for concrete clinical recommendations in this particular population.
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Affiliation(s)
- Patrícia Lyra
- Egas Moniz Center for Interdisciplinary Research (CiiEM), Egas Moniz School of Health and Science, Caparica, 2829-511 Almada, Portugal
- Evidence-Based Hub, CiiEM, Egas Moniz-Cooperativa de Ensino Superior, Caparica, 2829-511 Almada, Portugal
| | - Vanessa Machado
- Egas Moniz Center for Interdisciplinary Research (CiiEM), Egas Moniz School of Health and Science, Caparica, 2829-511 Almada, Portugal
- Evidence-Based Hub, CiiEM, Egas Moniz-Cooperativa de Ensino Superior, Caparica, 2829-511 Almada, Portugal
| | - Silvia Rota
- Department of Basic & Clinical Neuroscience, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London WC2R 2LS, UK
- Parkinson's Foundation Center of Excellence, King's College Hospital, London SE5 9RS, UK
| | - Kallol Ray Chaudhuri
- Department of Basic & Clinical Neuroscience, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London WC2R 2LS, UK
- Parkinson's Foundation Center of Excellence, King's College Hospital, London SE5 9RS, UK
| | - João Botelho
- Egas Moniz Center for Interdisciplinary Research (CiiEM), Egas Moniz School of Health and Science, Caparica, 2829-511 Almada, Portugal
- Evidence-Based Hub, CiiEM, Egas Moniz-Cooperativa de Ensino Superior, Caparica, 2829-511 Almada, Portugal
| | - José João Mendes
- Egas Moniz Center for Interdisciplinary Research (CiiEM), Egas Moniz School of Health and Science, Caparica, 2829-511 Almada, Portugal
- Evidence-Based Hub, CiiEM, Egas Moniz-Cooperativa de Ensino Superior, Caparica, 2829-511 Almada, Portugal
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9
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Monteiro AR, Barbosa DJ, Remião F, Silva R. Alzheimer’s disease: insights and new prospects in disease pathophysiology, biomarkers and disease-modifying drugs. Biochem Pharmacol 2023; 211:115522. [PMID: 36996971 DOI: 10.1016/j.bcp.2023.115522] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 03/21/2023] [Accepted: 03/22/2023] [Indexed: 03/30/2023]
Abstract
Alzheimer's disease (AD) is one of the most prevalent neurodegenerative diseases that affect millions of people worldwide, with both prevalence and incidence increasing with age. It is characterized by cognitive decline associated, specifically, with degeneration of cholinergic neurons. The problem of this disease is even more fundamental as the available therapies remain fairly limited and mainly focused on symptoms' relief. Although the aetiology of the disease remains elusive, two main pathological hallmarks are described: i) presence of neurofibrillary tangles formed by unfolded protein aggregates (hyperphosphorylated Tau protein) and ii) presence of extracellular aggregates of amyloid-beta peptide. Given the complexity surrounding the pathogenesis of the disease, several potential targets have been highlighted and interrelated upon its progression, such as oxidative stress and the accumulation of metal ions. Thus, advances have been made on the development of innovative multitarget therapeutical compounds to delay the disease progression and restore cell function. This review focuses the ongoing research on new insights and emerging disease-modifying drugs for AD treatment. Furthermore, classical and novel potential biomarkers for early diagnosis of the disease, and their role in assisting on the improvement of targeted therapies will also be approached.
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Affiliation(s)
- Ana R Monteiro
- UCIBIO - Applied Molecular Biosciences Unit, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, Porto University, 4050-313 Porto, Portugal; Associate Laboratory i4HB - Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
| | - Daniel J Barbosa
- TOXRUN - Toxicology Research Unit, Department of Sciences, University Institute of Health Sciences, CESPU, CRL, Gandra, Portugal; Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Porto, Portugal
| | - Fernando Remião
- UCIBIO - Applied Molecular Biosciences Unit, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, Porto University, 4050-313 Porto, Portugal; Associate Laboratory i4HB - Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
| | - Renata Silva
- UCIBIO - Applied Molecular Biosciences Unit, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, Porto University, 4050-313 Porto, Portugal; Associate Laboratory i4HB - Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal.
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10
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Jia Z, Yang M, Zhao Y, Li X, Yang C, Qiao L, Li H, Du J, Lin J, Guan L. CRISPR-Cas9-Mediated NPC1 Gene Deletion Enhances HEK 293 T Cell Adhesion by Regulating E-Cadherin. Mol Biotechnol 2023; 65:252-262. [PMID: 35587334 DOI: 10.1007/s12033-022-00503-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 04/25/2022] [Indexed: 01/18/2023]
Abstract
NPC1 gene encodes a transmembrane glycoprotein on the late endosome/lysosomal membrane. Its mutation leads to a rare and aggravated autosomal recessive neurovisceral condition, termed Niemann-Pick disease type C1 (NPC1), which is characterized by progressive neurodegeneration, visceral symptoms, and premature death. To investigate the influence of NPC1 gene deletion on cell morphology, adhesion, proliferation, and apoptosis, CRISPR-Cas9 technology was used to knockout the NPC1 gene in HEK 293 T cells. Sanger sequencing, western blotting, and immunofluorescence were used to confirm successful NPC1 ablation. Filipin staining results indicated that deletion of NPC1 gene led to accumulation of unesterified cholesterol in HEK 293 T cells. Phalloidin staining results revealed cell aggregation, synapse shortening, nuclear enlargement, and cytoskeleton filamentous actin thinning in HEK 293 T cells with NPC1 gene mutation. Furthermore, NPC1 gene mutated HEK 293 T cell showed enhanced cell adhesion, inhibited cell proliferation, and increased cell apoptosis. In addition, NPC1 gene mutations significantly increased the protein expression levels of E-cadherin and γ-catenin and significantly decreased the protein expression levels of Wnt 3a, c-Myc, and cyclin D1. These results suggest that NPC1 may regulate cell adhesion by affecting the cadherin-catenin complex through E-cadherin, and that the classical Wnt signaling pathway may be inhibited by restricting β-catenin from entering the nucleus to inhibit cell proliferation.
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Affiliation(s)
- Zisen Jia
- School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, China.,Henan Key Laboratory of Medical Tissue Regeneration, Xinxiang, China.,Henan Joint International Research Laboratory of Stem Cell Medicine, Stem Cell and Biotherapy Engineering Research Center of Henan, Xinxiang, China
| | - Minlin Yang
- School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, China.,Henan Key Laboratory of Medical Tissue Regeneration, Xinxiang, China.,Henan Joint International Research Laboratory of Stem Cell Medicine, Stem Cell and Biotherapy Engineering Research Center of Henan, Xinxiang, China
| | - Yanchun Zhao
- School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, China.,Henan Key Laboratory of Medical Tissue Regeneration, Xinxiang, China.,Henan Joint International Research Laboratory of Stem Cell Medicine, Stem Cell and Biotherapy Engineering Research Center of Henan, Xinxiang, China
| | - Xiaoying Li
- School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, China.,Henan Key Laboratory of Medical Tissue Regeneration, Xinxiang, China.,Henan Joint International Research Laboratory of Stem Cell Medicine, Stem Cell and Biotherapy Engineering Research Center of Henan, Xinxiang, China
| | - Ciqing Yang
- School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, China.,Henan Key Laboratory of Medical Tissue Regeneration, Xinxiang, China.,Henan Joint International Research Laboratory of Stem Cell Medicine, Stem Cell and Biotherapy Engineering Research Center of Henan, Xinxiang, China
| | - Liang Qiao
- School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, China.,Henan Key Laboratory of Medical Tissue Regeneration, Xinxiang, China.,Henan Joint International Research Laboratory of Stem Cell Medicine, Stem Cell and Biotherapy Engineering Research Center of Henan, Xinxiang, China
| | - Han Li
- School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, China.,Henan Key Laboratory of Medical Tissue Regeneration, Xinxiang, China.,Henan Joint International Research Laboratory of Stem Cell Medicine, Stem Cell and Biotherapy Engineering Research Center of Henan, Xinxiang, China
| | - Jiang Du
- Henan Key Laboratory of Medical Tissue Regeneration, Xinxiang, China.,Henan Joint International Research Laboratory of Stem Cell Medicine, Stem Cell and Biotherapy Engineering Research Center of Henan, Xinxiang, China.,School of Medical Engineering, Xinxiang Medical University, Xinxiang, China
| | - Juntang Lin
- School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, China. .,Henan Key Laboratory of Medical Tissue Regeneration, Xinxiang, China. .,Henan Joint International Research Laboratory of Stem Cell Medicine, Stem Cell and Biotherapy Engineering Research Center of Henan, Xinxiang, China. .,School of Medical Engineering, Xinxiang Medical University, Xinxiang, China.
| | - Lihong Guan
- School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, China. .,Henan Key Laboratory of Medical Tissue Regeneration, Xinxiang, China. .,Henan Joint International Research Laboratory of Stem Cell Medicine, Stem Cell and Biotherapy Engineering Research Center of Henan, Xinxiang, China.
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11
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Bindu DS, Tan CX, Savage JT, Eroglu C. GEARBOCS: An Adeno Associated Virus Tool for In Vivo Gene Editing in Astrocytes. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.17.524433. [PMID: 36711516 PMCID: PMC9884502 DOI: 10.1101/2023.01.17.524433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
In the mammalian central nervous system (CNS), astrocytes are indispensable for brain development, function, and health. However, non-invasive tools to study astrocyte biology and function in vivo have been limited to genetically modified mice. CRISPR/Cas9-based genome engineering enables rapid and precise gene manipulations in the CNS. Here, we developed a non-invasive astrocyte-specific method utilizing a single AAV vector, GEARBOCS (Gene Editing in AstRocytes Based On CRISPR/Cas9 System). We verified GEARBOCS' specificity to mouse cortical astrocytes and demonstrated its utility for three types of gene manipulations: knockout (KO); tagging (TagIN); and reporter gene knock-in (Gene-TRAP) strategies. We deployed GEARBOCS to determine whether cortical astrocytes express Vamp2 protein. The presence of Vamp2-positive vesicles in cultured astrocytes is well-established, however, Vamp2 protein expression in astrocytes in vivo has proven difficult to ascertain due to its overwhelming abundance in neurons. Using GEARBOCS, we delineated the in vivo astrocytic Vamp2 expression and found that it is required for maintaining excitatory and inhibitory synapse numbers in the visual cortex. GEARBOCS strategy provides fast and efficient means to study astrocyte biology in vivo.
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Affiliation(s)
| | - Christabel Xin Tan
- Department of Cell Biology, Duke University Medical Center, Durham, NC 27710, USA
| | - Justin T. Savage
- Department of Cell Biology, Duke University Medical Center, Durham, NC 27710, USA
- Department of Neurobiology, Duke University Medical Center, Durham, NC 27710, USA
| | - Cagla Eroglu
- Department of Cell Biology, Duke University Medical Center, Durham, NC 27710, USA
- Department of Neurobiology, Duke University Medical Center, Durham, NC 27710, USA
- Duke Institute for Brain Sciences (DIBS), Durham, NC 27710, USA
- Howard Hughes Medical Institute, Duke University, Durham, NC, 27710, USA
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12
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Alkanli SS, Alkanli N, Ay A, Albeniz I. CRISPR/Cas9 Mediated Therapeutic Approach in Huntington's Disease. Mol Neurobiol 2023; 60:1486-1498. [PMID: 36482283 PMCID: PMC9734918 DOI: 10.1007/s12035-022-03150-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 11/26/2022] [Indexed: 12/13/2022]
Abstract
The pathogenic mechanisms of these diseases must be well understood for the treatment of neurological disorders such as Huntington's disease. Huntington's Disease (HD), a dominant and neurodegenerative disease, is characterized by the CAG re-expansion that occurs in the gene encoding the polyglutamine-expanded mutant Huntingtin (mHTT) protein. Genome editing approaches include zinc-finger nucleases (ZFNs), transcription activator-like effector nucleases (TALENs) and Clustered Regularly Interspaced Short Palindromic Repeats/Caspase 9 (CRISPR/Cas9) systems. CRISPR/Cas9 technology allows effective gene editing in different cell types and organisms. Through these systems are created isogenic control of human origin induced pluripotent stem cells (iPSCs). In human and mouse models, HD-iPSC lines can be continuously corrected using these systems. HD-iPSCs can be corrected through the CRISPR/Cas9 system and the cut-and-paste mechanism using isogenic control iPSCs. This mechanism is a piggyBac transposon-based selection system that can effectively switch between vectors and chromosomes. In studies conducted, it has been determined that in neural cells derived from HD-iPSC, there are isogenic controls as corrected lines recovered from phenotypic abnormalities and gene expression changes. It has been determined that trinucleotide repeat disorders occurring in HD can be cured by single-guide RNA (sgRNA) and normal exogenous DNA restoration, known as the single guideline RNA specific to Cas9. The purpose of this review in addition to give general information about HD, a neurodegenerative disorder is to explained the role of CRISPR/Cas9 system with iPSCs in HD treatment.
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Affiliation(s)
- Suleyman Serdar Alkanli
- Department of Biophysics, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey ,Department of Biophysics, Istanbul Faculty of Medicine, Institute of Health Sciences, Istanbul University, Istanbul, Turkey
| | - Nevra Alkanli
- Department of Biophysics, Faculty of Medicine, Haliç University, Istanbul, Turkey
| | - Arzu Ay
- Department of Biophysics, Faculty of Medicine, Trakya University, Edirne, Turkey
| | - Isil Albeniz
- Department of Biophysics, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
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13
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Advanced molecular therapies for neurological diseases: focus on stroke, alzheimer's disease, and parkinson's disease. Neurol Sci 2023; 44:19-36. [PMID: 36066674 DOI: 10.1007/s10072-022-06356-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Accepted: 08/16/2022] [Indexed: 01/10/2023]
Abstract
Neurological diseases (NDs) are one of the leading causes of disability and the second leading cause of death globally. Among these stroke, Alzheimer's disease (AD), and Parkinson's disease (PD) are the most common NDs. A rise in the absolute number of individuals affected with these diseases indicates that the current treatment strategies in management and prevention of these debilitating diseases are not effective sufficiently. Therefore, novel treatment strategies are being explored to cure these diseases by addressing the causative mechanisms at the molecular level. Advanced therapies like gene therapy (gene editing and gene silencing) and stem cell therapies aim to cure diseases by gene editing, gene silencing and tissue regeneration, respectively. Gene editing results in the deletion of the aberrant gene or insertion of the corrected gene which can be executed using the CRISPR/Cas gene editing tool a promising treatment strategy being explored for many other prevalent diseases. Gene silencing using siRNA silences the gene by inhibiting protein translation, thereby silencing its expression. Stem cell therapy aims to regenerate damaged cells or tissues because of their ability to divide into any type of cell in the human body. Among these approaches, gene editing and gene silencing have currently been applied in vitro and to animal models, while stem cell therapy has reached the clinical trial stage for the treatment of NDs. The current status of these strategies suggests a promising outcome in their clinical translation.
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14
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Lee DG, Kim YK, Baek KH. The bHLH Transcription Factors in Neural Development and Therapeutic Applications for Neurodegenerative Diseases. Int J Mol Sci 2022; 23:ijms232213936. [PMID: 36430421 PMCID: PMC9696289 DOI: 10.3390/ijms232213936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 11/04/2022] [Accepted: 11/08/2022] [Indexed: 11/16/2022] Open
Abstract
The development of functional neural circuits in the central nervous system (CNS) requires the production of sufficient numbers of various types of neurons and glial cells, such as astrocytes and oligodendrocytes, at the appropriate periods and regions. Hence, severe neuronal loss of the circuits can cause neurodegenerative diseases such as Huntington's disease (HD), Parkinson's disease (PD), Alzheimer's disease (AD), and Amyotrophic Lateral Sclerosis (ALS). Treatment of such neurodegenerative diseases caused by neuronal loss includes some strategies of cell therapy employing stem cells (such as neural progenitor cells (NPCs)) and gene therapy through cell fate conversion. In this report, we review how bHLH acts as a regulator in neuronal differentiation, reprogramming, and cell fate determination. Moreover, several different researchers are conducting studies to determine the importance of bHLH factors to direct neuronal and glial cell fate specification and differentiation. Therefore, we also investigated the limitations and future directions of conversion or transdifferentiation using bHLH factors.
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Affiliation(s)
- Dong Gi Lee
- Joint Section of Science in Environmental Technology, Food Technology, and Molecular Biotechnology, Ghent University, Incheon 21569, Korea
| | - Young-Kwang Kim
- Department of Biomedical Science, CHA Stem Cell Institute, CHA University, Seongnam 13488, Korea
| | - Kwang-Hyun Baek
- Department of Biomedical Science, CHA Stem Cell Institute, CHA University, Seongnam 13488, Korea
- Correspondence: ; Tel.: +82-31-881-7134
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15
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Riva A, D'Onofrio G, Amadori E, Tripodi D, Balagura G, Iurilli V, Vari MS, Verrotti A, Striano P. Current and promising therapeutic options for Dravet syndrome. Expert Opin Pharmacother 2022; 23:1727-1736. [PMID: 36124778 DOI: 10.1080/14656566.2022.2127089] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Dravet Syndrome (DS) is a developmental and epileptic encephalopathy carrying high-level psychobehavioral burdens. Although the disease has been known for almost 4 decades, and despite significant progress in the understanding of its physiopathology and natural course, the pharmacological treatment leaves patients and caregivers with significant unmet needs. This review provides a summary of the current and promising therapeutic options for DS. AREAS COVERED PubMed and ClinicalTrials.gov were screened using 'Dravet Syndrome' OR 'DS,' AND 'pharmacotherapy,' AND 'treatments.' Randomized clinical trials, structured reviews, and meta-analyses were selected for in-human application of well-known anti-seizure medications; while in-vivo experiments on models of DS were selected to evaluate the potential of new therapeutic strategies. EXPERT OPINION The search for new pharmacological treatment options is led by the need for care and defeat of the natural course of the disease, an aspect still largely neglected by the available therapeutic strategies. Yet, the last 6 years have led to a climate of increased interest and availability of clinical trials. Particularly, gene therapy could hopefully prevent DS evolution by directly relieving the specific genetic defect, although the possibility of off-target editing, and the uneasy administration route have still largely prevented its use.
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Affiliation(s)
- Antonella Riva
- Pediatric Neurology and Muscular Diseases Unit, IRCCS Istituto Giannina Gaslini, Genoa, Italy.,Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genoa, Genoa, Italy
| | - Gianluca D'Onofrio
- Pediatric Neurology and Muscular Diseases Unit, IRCCS Istituto Giannina Gaslini, Genoa, Italy.,Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genoa, Genoa, Italy
| | - Elisabetta Amadori
- Pediatric Neurology and Muscular Diseases Unit, IRCCS Istituto Giannina Gaslini, Genoa, Italy.,Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genoa, Genoa, Italy
| | - Domenico Tripodi
- Department of Medical, Oral and Biotechnological Sciences, University of Chieti, Genoa, Italy
| | - Ganna Balagura
- Department of Functional Genomics, Center for Neurogenomics and Cognitive Research (CNCR), Vrije Universiteit (VU), de Boelelaan, Amsterdam, Netherlands
| | | | - Maria Stella Vari
- Pediatric Neurology and Muscular Diseases Unit, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | | | - Pasquale Striano
- Pediatric Neurology and Muscular Diseases Unit, IRCCS Istituto Giannina Gaslini, Genoa, Italy.,Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genoa, Genoa, Italy
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16
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Wu Y, Rakotoarisoa M, Angelov B, Deng Y, Angelova A. Self-Assembled Nanoscale Materials for Neuronal Regeneration: A Focus on BDNF Protein and Nucleic Acid Biotherapeutic Delivery. NANOMATERIALS 2022; 12:nano12132267. [PMID: 35808102 PMCID: PMC9268293 DOI: 10.3390/nano12132267] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 06/26/2022] [Accepted: 06/27/2022] [Indexed: 02/04/2023]
Abstract
Enabling challenging applications of nanomedicine and precision medicine in the treatment of neurodegenerative disorders requires deeper investigations of nanocarrier-mediated biomolecular delivery for neuronal targeting and recovery. The successful use of macromolecular biotherapeutics (recombinant growth factors, antibodies, enzymes, synthetic peptides, cell-penetrating peptide–drug conjugates, and RNAi sequences) in clinical developments for neuronal regeneration should benefit from the recent strategies for enhancement of their bioavailability. We highlight the advances in the development of nanoscale materials for drug delivery in neurodegenerative disorders. The emphasis is placed on nanoformulations for the delivery of brain-derived neurotrophic factor (BDNF) using different types of lipidic nanocarriers (liposomes, liquid crystalline or solid lipid nanoparticles) and polymer-based scaffolds, nanofibers and hydrogels. Self-assembled soft-matter nanoscale materials show favorable neuroprotective characteristics, safety, and efficacy profiles in drug delivery to the central and peripheral nervous systems. The advances summarized here indicate that neuroprotective biomolecule-loaded nanoparticles and injectable hydrogels can improve neuronal survival and reduce tissue injury. Certain recently reported neuronal dysfunctions in long-COVID-19 survivors represent early manifestations of neurodegenerative pathologies. Therefore, BDNF delivery systems may also help in prospective studies on recovery from long-term COVID-19 neurological complications and be considered as promising systems for personalized treatment of neuronal dysfunctions and prevention or retarding of neurodegenerative disorders.
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Affiliation(s)
- Yu Wu
- CNRS, Institut Galien Paris-Saclay, Université Paris-Saclay, F-92290 Châtenay-Malabry, France; (Y.W.); (M.R.)
| | - Miora Rakotoarisoa
- CNRS, Institut Galien Paris-Saclay, Université Paris-Saclay, F-92290 Châtenay-Malabry, France; (Y.W.); (M.R.)
| | - Borislav Angelov
- Institute of Physics, ELI Beamlines, Academy of Sciences of the Czech Republic, Na Slovance 2, CZ-18221 Prague, Czech Republic;
| | - Yuru Deng
- Wenzhou Institute, University of Chinese Academy of Sciences, No. 1, Jinlian Road, Longwan District, Wenzhou 325001, China;
| | - Angelina Angelova
- CNRS, Institut Galien Paris-Saclay, Université Paris-Saclay, F-92290 Châtenay-Malabry, France; (Y.W.); (M.R.)
- Correspondence:
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17
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Comparative efficacy of surgical approaches to disease modification in Parkinson disease. NPJ Parkinsons Dis 2022; 8:33. [PMID: 35338165 PMCID: PMC8956588 DOI: 10.1038/s41531-022-00296-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Accepted: 02/17/2022] [Indexed: 12/12/2022] Open
Abstract
Parkinson’s disease (PD) may optimally be treated with a disease-modifying therapy to slow progression. We compare data underlying surgical approaches proposed to impart disease modification in PD: (1) cell transplantation therapy with stem cell-derived dopaminergic neurons to replace damaged cells; (2) clinical trials of growth factors to promote survival of existing dopaminergic neurons; (3) subthalamic nucleus deep brain stimulation early in the course of PD; and (4) abdominal vagotomy to lower risk of potential disease spread from gut to brain. Though targeted to engage potential mechanisms of PD these surgical approaches remain experimental, indicating the difficulty in translating therapeutic concepts into clinical practice. The choice of outcome measures to assess disease modification separate from the symptomatic benefit will be critical to evaluate the effect of the disease-modifying intervention on long-term disease burden, including imaging studies and clinical rating scales, i.e., Unified Parkinson Disease Rating Scale. Therapeutic interventions will require long follow-up times (i.e., 5–10 years) to analyze disease modification compared to symptomatic treatments. The promise of invasive, surgical treatments to achieve disease modification through mechanistic approaches has been constrained by the reality of translating these concepts into effective clinical trials.
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