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Moreira R, Nóbrega C, de Almeida LP, Mendonça L. Brain-targeted drug delivery - nanovesicles directed to specific brain cells by brain-targeting ligands. J Nanobiotechnology 2024; 22:260. [PMID: 38760847 PMCID: PMC11100082 DOI: 10.1186/s12951-024-02511-7] [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: 02/15/2024] [Accepted: 04/29/2024] [Indexed: 05/19/2024] Open
Abstract
Neurodegenerative diseases are characterized by extensive loss of function or death of brain cells, hampering the life quality of patients. Brain-targeted drug delivery is challenging, with a low success rate this far. Therefore, the application of targeting ligands in drug vehicles, such as lipid-based and polymeric nanoparticles, holds the promise to overcome the blood-brain barrier (BBB) and direct therapies to the brain, in addition to protect their cargo from degradation and metabolization. In this review, we discuss the barriers to brain delivery and the different types of brain-targeting ligands currently in use in brain-targeted nanoparticles, such as peptides, proteins, aptamers, small molecules, and antibodies. Moreover, we present a detailed review of the different targeting ligands used to direct nanoparticles to specific brain cells, like neurons (C4-3 aptamer, neurotensin, Tet-1, RVG, and IKRG peptides), astrocytes (Aquaporin-4, D4, and Bradykinin B2 antibodies), oligodendrocytes (NG-2 antibody and the biotinylated DNA aptamer conjugated to a streptavidin core Myaptavin-3064), microglia (CD11b antibody), neural stem cells (QTRFLLH, VPTQSSG, and NFL-TBS.40-63 peptides), and to endothelial cells of the BBB (transferrin and insulin proteins, and choline). Reports demonstrated enhanced brain-targeted delivery with improved transport to the specific cell type targeted with the conjugation of these ligands to nanoparticles. Hence, this strategy allows the implementation of high-precision medicine, with reduced side effects or unwanted therapy clearance from the body. Nevertheless, the accumulation of some of these nanoparticles in peripheral organs has been reported indicating that there are still factors to be improved to achieve higher levels of brain targeting. This review is a collection of studies exploring targeting ligands for the delivery of nanoparticles to the brain and we highlight the advantages and limitations of this type of approach in precision therapies.
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Grants
- under BrainHealth2020 projects (CENTRO-01-0145-FEDER-000008), through the COMPETE 2020 - Operational Programme for Competitiveness and Internationalization and Portuguese national funds via FCT - Fundação para a Ciência e a Tecnologia, under projects - UIDB/04539/2020 and UIDP/04539/2020, POCI-01-0145-FEDER-030737 (NeuroStemForMJD, PTDC/BTM-ORG/30737/2017), CEECIND/04242/2017, and PhD Scholarship European Regional Development Fund (ERDF) through the Centro 2020 Regional Operational Programme
- under BrainHealth2020 projects (CENTRO-01-0145-FEDER-000008), through the COMPETE 2020 - Operational Programme for Competitiveness and Internationalization and Portuguese national funds via FCT - Fundação para a Ciência e a Tecnologia, under projects - UIDB/04539/2020 and UIDP/04539/2020, POCI-01-0145-FEDER-030737 (NeuroStemForMJD, PTDC/BTM-ORG/30737/2017), CEECIND/04242/2017, and PhD Scholarship European Regional Development Fund (ERDF) through the Centro 2020 Regional Operational Programme
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Affiliation(s)
- Ricardo Moreira
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Rua Larga, polo 1, Coimbra, FMUC, 3004-504, Portugal
- CIBB - Center for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, 3004-504, Portugal
- Faculty of Pharmacy, University of Coimbra, Coimbra, 3000-548, Portugal
| | - Clévio Nóbrega
- Algarve Biomedical Center Research Institute (ABC-RI), University of Algarve, Faro, 8005-139, Portugal
- Faculty of Medicine and Biomedical Sciences, University of Algarve, Faro, 8005-139, Portugal
| | - Luís Pereira de Almeida
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Rua Larga, polo 1, Coimbra, FMUC, 3004-504, Portugal
- CIBB - Center for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, 3004-504, Portugal
- Faculty of Pharmacy, University of Coimbra, Coimbra, 3000-548, Portugal
- Institute of Interdisciplinary Research, University of Coimbra, Coimbra, 3030-789, Portugal
| | - Liliana Mendonça
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Rua Larga, polo 1, Coimbra, FMUC, 3004-504, Portugal.
- CIBB - Center for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, 3004-504, Portugal.
- Institute of Interdisciplinary Research, University of Coimbra, Coimbra, 3030-789, Portugal.
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Deng X, Guo Y, Jin X, Si H, Dai K, Deng M, He J, Hao C, Yao W. Manganese accumulation in red blood cells as a biomarker of manganese exposure and neurotoxicity. Neurotoxicology 2024; 102:1-11. [PMID: 38461971 DOI: 10.1016/j.neuro.2024.03.003] [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: 01/05/2024] [Revised: 02/29/2024] [Accepted: 03/08/2024] [Indexed: 03/12/2024]
Abstract
Although overexposure to manganese (Mn) is known to cause neurotoxic damage, effective exposure markers for assessing Mn loading in Mn-exposed workers are lacking. Here, we construct a Mn-exposed rat model to perform correlation analysis between Mn-induced neurological damage and Mn levels in various biological samples. We combine this analysis with epidemiological investigation to assess whether Mn concentrations in red blood cells (MnRBCs) and urine (MnU) can be used as valid exposure markers. The results show that Mn exposure resulted in neurotoxic damage in rats and that MnRBCs correlated well with neurological damage, showing potential as a novel Mn exposure biomarker. These findings provide a basis for health monitoring of Mn-exposed workers and the development of more appropriate biological exposure limits.
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Affiliation(s)
- Xuedan Deng
- Department of Occupational Health and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Yonghua Guo
- Department of Occupational Health and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Xiaofei Jin
- Department of Ultrasound, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Huifang Si
- Department of Occupational Health and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Kai Dai
- Department of Occupational Health and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Meng Deng
- Department of Occupational Health and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Jing He
- Department of Occupational Health and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Changfu Hao
- Department of Child and Adolescence Health, College of Public Health, Zhengzhou University, Zhengzhou, Henan 450001, China.
| | - Wu Yao
- Department of Occupational Health and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, Henan 450001, China.
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Dąbkowska M, Stukan I, Kosiorowska A, Szatanik A, Łuczkowska K, Machalińska A, Machaliński B. In vitro and in vivo characterization of human serum albumin-based PEGylated nanoparticles for BDNF and NT3 codelivery. Int J Biol Macromol 2024; 265:130726. [PMID: 38490392 DOI: 10.1016/j.ijbiomac.2024.130726] [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: 10/13/2023] [Revised: 02/28/2024] [Accepted: 03/06/2024] [Indexed: 03/17/2024]
Abstract
The utilization of neurotrophins in medicine shows significant potential for addressing neurodegenerative conditions, such as age-related macular degeneration (AMD). However, the therapeutic use of neurotrophins has been restricted due to their short half-life. Here, we aimed to synthesize PEGylated nanoparticles based on electrostatic-driven interactions between human serum albumin (HSA), a carrier for adsorption; neurotrophin-3 (NT3); and brain-derived neurotrophic factor (BDNF). Electrophoretic (ELS) and multi-angle dynamic light scattering (MADLS) revealed that the PEGylated HSA-NT3-BDNF nanoparticles ranged from 10 to 430 nm in diameter and exhibited a low polydispersity index (<0.4) and a zeta potential of -8 mV. Based on microscale thermophoresis (MST), the estimated dissociation constant (Kd) from the HSA molecule of BDNF was 1.6 μM, and the Kd of NT3 was 732 μM. The nanoparticles were nontoxic toward ARPE-19 and L-929 cells in vitro and efficiently delivered BDNF and NT3. Based on the biodistribution of neurotrophins after intravitreal injection into BALB/c mice, both nanoparticles were gradually released in the mouse vitreous body within 28 days. PEGylated HSA-NT3-BDNF nanoparticles stabilize neurotrophins and maintain this characteristic in vivo. Thus, given the simplicity of the system, the nanoparticles may enhance the treatment of a variety of neurological disorders in the future.
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Affiliation(s)
- Maria Dąbkowska
- Independent Laboratory of Pharmacokinetic and Clinical Pharmacy, Rybacka 1, 71-899 Szczecin, Poland.
| | - Iga Stukan
- Department of General Pathology, Pomeranian Medical University, Rybacka 1, 70-111 Szczecin, Poland
| | - Alicja Kosiorowska
- Independent Laboratory of Pharmacokinetic and Clinical Pharmacy, Rybacka 1, 71-899 Szczecin, Poland; Department of General Pathology, Pomeranian Medical University, Rybacka 1, 70-111 Szczecin, Poland
| | - Alicja Szatanik
- Independent Laboratory of Pharmacokinetic and Clinical Pharmacy, Rybacka 1, 71-899 Szczecin, Poland
| | - Karolina Łuczkowska
- Department of General Pathology, Pomeranian Medical University, Rybacka 1, 70-111 Szczecin, Poland
| | - Anna Machalińska
- First Department of Ophthalmology, Pomeranian Medical University, 70-111 Szczecin, Poland
| | - Bogusław Machaliński
- Department of General Pathology, Pomeranian Medical University, Rybacka 1, 70-111 Szczecin, Poland
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Zheng J, Wang R, Wang Y. New concepts drive the development of delivery tools for sustainable treatment of diabetic complications. Biomed Pharmacother 2024; 171:116206. [PMID: 38278022 DOI: 10.1016/j.biopha.2024.116206] [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: 10/04/2023] [Revised: 01/18/2024] [Accepted: 01/22/2024] [Indexed: 01/28/2024] Open
Abstract
Diabetic complications, especially diabetic retinopathy, diabetic nephropathy and painful diabetic neuropathy, account for a large portion of patients with diabetes and display rising global prevalence. They are the leading causes of blindness, kidney failure and hypersensitivity to pain caused by diabetes. Current approved therapeutics against the diabetic complications are few and exhibit limited efficacy. The enhanced cell-specificity, stability, biocompatibility, and loading capacity of drugs are essential for the mitigation of diabetic complications. In the article, we have critically discussed the recent studies over the past two years in material sciences and biochemistry. The insightful concepts in these studies drive the development of novel nanoparticles and mesenchymal stem cells-derived extracellular vesicles to meet the need for treatment of diabetic complications. Their underlying biochemical principles, advantages and limitations have been in-depth analyzed. The nanoparticles discussed in the article include double-headed nanodelivery system, nanozyme, ESC-HCM-B system, soft polymer nanostars, tetrahedral DNA nanostructures and hydrogels. They ameliorate the diabetic complication through attenuation of inflammation, apoptosis and restoration of metabolic homeostasis. Moreover, mesenchymal stem cell-derived extracellular vesicles efficiently deliver therapeutic proteins to the retinal cells to suppress the angiogenesis, inflammation, apoptosis and oxidative stress to reverse diabetic retinopathy. Collectively, we provide a critical discussion on the concept, mechanism and therapeutic applicability of new delivery tools to treat these three devastating diabetic complications.
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Affiliation(s)
- Jianan Zheng
- School of Kinesiology, Shanghai University of Sport, Shanghai 200438, China
| | - Ru Wang
- School of Kinesiology, Shanghai University of Sport, Shanghai 200438, China; Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, China.
| | - Yibing Wang
- School of Kinesiology, Shanghai University of Sport, Shanghai 200438, China; Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, China.
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Krishnan MA, Alimi OA, Pan T, Kuss M, Korade Z, Hu G, Liu B, Duan B. Engineering Neurotoxin-Functionalized Exosomes for Targeted Delivery to the Peripheral Nervous System. Pharmaceutics 2024; 16:102. [PMID: 38258111 PMCID: PMC10818718 DOI: 10.3390/pharmaceutics16010102] [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: 12/21/2023] [Revised: 01/07/2024] [Accepted: 01/09/2024] [Indexed: 01/24/2024] Open
Abstract
The administration of therapeutics to peripheral nerve tissue is challenging due to the complexities of peripheral neuroanatomy and the limitations imposed by the blood-nerve barrier (BNB). Therefore, there is a pressing need to enhance delivery effectiveness and implement targeted delivery methods. Recently, erythrocyte-derived exosomes (Exos) have gained widespread attention as biocompatible vehicles for therapeutics in clinical applications. However, engineering targeted Exos for the peripheral nervous system (PNS) is still challenging. This study aims to develop a targeted Exo delivery system specifically designed for presynaptic terminals of peripheral nerve tissue. The clostridium neurotoxin, tetanus toxin-C fragment (TTC), was tethered to the surface of red blood cell (RBC)-derived Exos via a facile and efficient bio-orthogonal click chemistry method without a catalyst. Additionally, Cyanine5 (Cy5), a reactive fluorescent tag, was also conjugated to track Exo movement in both in vitro and in vivo models. Subsequently, Neuro-2a, a mouse neuronal cell line, was treated with dye-labeled Exos with/without TTC in vitro, and the results indicated that TTC-Exos exhibited more efficient accumulation along the soma and axonal circumference, compared to their unmodified counterparts. Further investigation, using a mouse model, revealed that within 72 h of intramuscular administration, engineered TTC-Exos were successfully transported into the neuromuscular junction and sciatic nerve tissues. These results indicated that TTC played a crucial role in the Exo delivery system, improving the affinity to peripheral nerves. These promising results underscore the potential of using targeted Exo carriers to deliver therapeutics for treating peripheral neuropathies.
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Affiliation(s)
- Mena Asha Krishnan
- Mary and Dick Holland Regenerative Medicine Program, University of Nebraska Medical Center, Omaha, NE 68198, USA; (M.A.K.); (O.A.A.); (T.P.); (M.K.)
- Division of Cardiovascular Medicine, Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Olawale A. Alimi
- Mary and Dick Holland Regenerative Medicine Program, University of Nebraska Medical Center, Omaha, NE 68198, USA; (M.A.K.); (O.A.A.); (T.P.); (M.K.)
- Division of Cardiovascular Medicine, Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Tianshu Pan
- Mary and Dick Holland Regenerative Medicine Program, University of Nebraska Medical Center, Omaha, NE 68198, USA; (M.A.K.); (O.A.A.); (T.P.); (M.K.)
- Division of Cardiovascular Medicine, Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Mitchell Kuss
- Mary and Dick Holland Regenerative Medicine Program, University of Nebraska Medical Center, Omaha, NE 68198, USA; (M.A.K.); (O.A.A.); (T.P.); (M.K.)
- Division of Cardiovascular Medicine, Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Zeljka Korade
- Department of Pediatrics, University of Nebraska Medical Center, Omaha, NE 68198, USA;
- Child Health Research Institute, Omaha, NE 68198, USA
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Guoku Hu
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198, USA;
| | - Bo Liu
- Mary and Dick Holland Regenerative Medicine Program, University of Nebraska Medical Center, Omaha, NE 68198, USA; (M.A.K.); (O.A.A.); (T.P.); (M.K.)
- Division of Cardiovascular Medicine, Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Bin Duan
- Mary and Dick Holland Regenerative Medicine Program, University of Nebraska Medical Center, Omaha, NE 68198, USA; (M.A.K.); (O.A.A.); (T.P.); (M.K.)
- Division of Cardiovascular Medicine, Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE 68198, USA
- Department of Surgery, University of Nebraska Medical Center, Omaha, NE 68198, USA
- Department of Mechanical and Materials Engineering, University of Nebraska Lincoln, Lincoln, NE 68588, USA
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Shi S, Ou X, Cheng D. Nanoparticle-Facilitated Therapy: Advancing Tools in Peripheral Nerve Regeneration. Int J Nanomedicine 2024; 19:19-34. [PMID: 38187908 PMCID: PMC10771795 DOI: 10.2147/ijn.s442775] [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: 10/01/2023] [Accepted: 12/21/2023] [Indexed: 01/09/2024] Open
Abstract
Peripheral nerve injuries, arising from a diverse range of etiologies such as trauma and underlying medical conditions, pose substantial challenges in both clinical management and subsequent restoration of functional capacity. Addressing these challenges, nanoparticles have emerged as a promising therapeutic modality poised to augment the process of peripheral nerve regeneration. However, a comprehensive elucidation of the complicated mechanistic foundations responsible for the favorable effects of nanoparticle-based therapy on nerve regeneration remains imperative. This review aims to scrutinize the potential of nanoparticles as innovative therapeutic carriers for promoting peripheral nerve repair. This review encompasses an in-depth exploration of the classifications and synthesis methodologies associated with nanoparticles. Additionally, we discuss and summarize the multifaceted roles that nanoparticles play, including neuroprotection, facilitation of axonal growth, and efficient drug delivery mechanisms. Furthermore, we present essential considerations and highlight the potential synergies of integrating nanoparticles with emerging technologies. Through this comprehensive review, we highlight the indispensable role of nanoparticles in propelling advancements in peripheral nerve regeneration.
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Affiliation(s)
- Shaoyan Shi
- Department of Hand Surgery, Honghui Hospital, Xi’an Jiaotong University, Xi’an Honghui Hospital North District, Xi’an, Shaanxi, 710000, People’s Republic of China
| | - Xuehai Ou
- Department of Hand Surgery, Honghui Hospital, Xi’an Jiaotong University, Xi’an Honghui Hospital North District, Xi’an, Shaanxi, 710000, People’s Republic of China
| | - Deliang Cheng
- Department of Hand Surgery, Honghui Hospital, Xi’an Jiaotong University, Xi’an Honghui Hospital North District, Xi’an, Shaanxi, 710000, People’s Republic of China
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Cho YH, Seo TB. The role of walking exercise on axonal regrowth and neuropathic pain markers in dorsal root ganglion after sciatic nerve injury. J Exerc Rehabil 2023; 19:320-326. [PMID: 38188130 PMCID: PMC10766449 DOI: 10.12965/jer.2346522.261] [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: 10/06/2023] [Accepted: 11/13/2023] [Indexed: 01/09/2024] Open
Abstract
The aim of this study was to determine whether walking exercise can regulate the expression level of neuropathic pain- and inflammatory response markers in the ipsilateral lumbar 4 to 6 dorsal root ganglion neurons after sciatic nerve injury (SNI). The experimental rats were randomly divided into seven groups: the normal control group, sedentary groups for 3, 7, and, 14 days postinjury (dpi), and walking exercise groups for 3, 7, and 14 dpi. Western blot techniques were used to evaluate specific neuropathic pain- and cytokine markers and mechanical allodynia was confirmed by paw withdrawal test. Mechanical allodynia was significantly improved in the walking exercise group compared to the sedentary group at all 7, 10, and 14 dpi. Furthermore, growth associated protein 43 and brain-derived neurotrophic factor levels were significantly increased in the walking exercise groups compared to the sedentary group at all 3, 7, and 14 dpi. Conversely, nuclear factor kappa-light-chain-enhancer of activated B cells, interleukin-6, tumor necrosis factor α, calcitonin gene-related peptide, and c-Fos expression levels were significantly decreased in the walking exercise groups compared to the sedentary group at all 3, 7, and 14 dpi. These findings suggest meaningful information that aggressive rehabilitation walking exercise applied early after SNI might be improve mechanical allodynia, neuropathic pain and inflammatory response markers following SNI.
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Affiliation(s)
- Yeong-Hyun Cho
- Department of Kinesiology, College of Natural Science, Jeju National University, Jeju,
Korea
| | - Tae-Beom Seo
- Department of Kinesiology, College of Natural Science, Jeju National University, Jeju,
Korea
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Rosenbalm TN, Levi NH, Morykwas MJ, Wagner WD. Electrical stimulation via repeated biphasic conducting materials for peripheral nerve regeneration. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2023; 34:61. [PMID: 37964030 PMCID: PMC10645611 DOI: 10.1007/s10856-023-06763-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 10/26/2023] [Indexed: 11/16/2023]
Abstract
Improved materials for peripheral nerve repair are needed for the advancement of new surgical techniques in fields spanning from oncology to trauma. In this study, we developed bioresorbable materials capable of producing repeated electric field gradients spaced 600 μm apart to assess the impact on neuronal cell growth, and migration. Electrically conductive, biphasic composites comprised of poly (glycerol) sebacate acrylate (PGSA) alone, and doped with poly (pyrrole) (PPy), were prepared to create alternating segments with high and low electrically conductivity. Conductivity measurements demonstrated that 0.05% PPy added to PSA achieved an optimal value of 1.25 × 10-4 S/cm, for subsequent electrical stimulation. Tensile testing and degradation of PPy doped and undoped PGSA determined that 35-40% acrylation of PGSA matched nerve mechanical properties. Both fibroblast and neuronal cells thrived when cultured upon the composite. Biphasic PGSA/PPy sheets seeded with neuronal cells stimulated for with 3 V, 20 Hz demonstrated a 5x cell increase with 1 day of stimulation and up to a 10x cell increase with 3 days stimulation compared to non-stimulated composites. Tubular conduits composed of repeated high and low conductivity materials suitable for implantation in the rat sciatic nerve model for nerve repair were evaluated in vivo and were superior to silicone conduits. These results suggest that biphasic conducting conduits capable of maintaining mechanical properties without inducing compression injuries while generating repeated electric fields are a promising tool for acceleration of peripheral nerve repair to previously untreatable patients.
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Affiliation(s)
- Tabitha N Rosenbalm
- School of Biomedical Engineering and Sciences, Wake Forest University-Virginia Polytechnic Institute and State University, Winston-Salem, NC, 27106, USA
- Department of Plastic and Reconstructive Surgery, Wake Forest Baptist Health, Winston-Salem, NC, 27157, USA
| | - Nicole H Levi
- School of Biomedical Engineering and Sciences, Wake Forest University-Virginia Polytechnic Institute and State University, Winston-Salem, NC, 27106, USA.
- Department of Plastic and Reconstructive Surgery, Wake Forest Baptist Health, Winston-Salem, NC, 27157, USA.
| | - Michael J Morykwas
- School of Biomedical Engineering and Sciences, Wake Forest University-Virginia Polytechnic Institute and State University, Winston-Salem, NC, 27106, USA
- Department of Plastic and Reconstructive Surgery, Wake Forest Baptist Health, Winston-Salem, NC, 27157, USA
| | - William D Wagner
- School of Biomedical Engineering and Sciences, Wake Forest University-Virginia Polytechnic Institute and State University, Winston-Salem, NC, 27106, USA
- Department of Plastic and Reconstructive Surgery, Wake Forest Baptist Health, Winston-Salem, NC, 27157, USA
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Yang Y, Rao C, Yin T, Wang S, Shi H, Yan X, Zhang L, Meng X, Gu W, Du Y, Hong F. Application and underlying mechanism of acupuncture for the nerve repair after peripheral nerve injury: remodeling of nerve system. Front Cell Neurosci 2023; 17:1253438. [PMID: 37941605 PMCID: PMC10627933 DOI: 10.3389/fncel.2023.1253438] [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: 07/05/2023] [Accepted: 10/09/2023] [Indexed: 11/10/2023] Open
Abstract
Peripheral nerve injury (PNI) is a structural event with harmful consequences worldwide. Due to the limited intrinsic regenerative capacity of the peripheral nerve in adults, neural restoration after PNI is difficult. Neurological remodeling has a crucial effect on the repair of the form and function during the regeneration of the peripheral nerve after the peripheral nerve is injured. Several studies have demonstrated that acupuncture is effective for PNI-induced neurologic deficits, and the potential mechanisms responsible for its effects involve the nervous system remodeling in the process of nerve repair. Moreover, acupuncture promotes neural regeneration and axon sprouting by activating related neurotrophins retrograde transport, such as nerve growth factor (NGF), brain-derived neurotrophic factor (BDNF), glial cell-derived neurotrophic factor (GDNF), N-cadherin, and MicroRNAs. Peripheral nerve injury enhances the perceptual response of the central nervous system to pain, causing central sensitization and accelerating neuronal cell apoptosis. Together with this, the remodeling of synaptic transmission function would worsen pain discomfort. Neuroimaging studies have shown remodeling changes in both gray and white matter after peripheral nerve injury. Acupuncture not only reverses the poor remodeling of the nervous system but also stimulates the release of neurotrophic substances such as nerve growth factors in the nervous system to ameliorate pain and promote the regeneration and repair of nerve fibers. In conclusion, the neurological remodeling at the peripheral and central levels in the process of acupuncture treatment accelerates nerve regeneration and repair. These findings provide novel insights enabling the clinical application of acupuncture in the treatment of PNI.
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Affiliation(s)
- Yongke Yang
- Beilun District People’s Hospital, Ningbo, China
| | - Chang Rao
- Tianjin Union Medical Center, Tianjin, China
| | - Tianlong Yin
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Shaokang Wang
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Huiyan Shi
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Xin Yan
- National Anti-Drug Laboratory Beijing Regional Center, Beijing, China
| | - Lili Zhang
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Xianggang Meng
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Wenlong Gu
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yuzheng Du
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Feng Hong
- Beilun District People’s Hospital, Ningbo, China
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10
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Nevins S, McLoughlin CD, Oliveros A, Stein JB, Rashid MA, Hou Y, Jang MH, Lee KB. Nanotechnology Approaches for Prevention and Treatment of Chemotherapy-Induced Neurotoxicity, Neuropathy, and Cardiomyopathy in Breast and Ovarian Cancer Survivors. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2300744. [PMID: 37058079 PMCID: PMC10576016 DOI: 10.1002/smll.202300744] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 03/05/2023] [Indexed: 06/19/2023]
Abstract
Nanotechnology has emerged as a promising approach for the targeted delivery of therapeutic agents while improving their efficacy and safety. As a result, nanomaterial development for the selective targeting of cancers, with the possibility of treating off-target, detrimental sequelae caused by chemotherapy, is an important area of research. Breast and ovarian cancer are among the most common cancer types in women, and chemotherapy is an essential treatment modality for these diseases. However, chemotherapy-induced neurotoxicity, neuropathy, and cardiomyopathy are common side effects that can affect breast and ovarian cancer survivors quality of life. Therefore, there is an urgent need to develop effective prevention and treatment strategies for these adverse effects. Nanoparticles (NPs) have extreme potential for enhancing therapeutic efficacy but require continued research to elucidate beneficial interventions for women cancer survivors. In short, nanotechnology-based approaches have emerged as promising strategies for preventing and treating chemotherapy-induced neurotoxicity, neuropathy, and cardiomyopathy. NP-based drug delivery systems and therapeutics have shown potential for reducing the side effects of chemotherapeutics while improving drug efficacy. In this article, the latest nanotechnology approaches and their potential for the prevention and treatment of chemotherapy-induced neurotoxicity, neuropathy, and cardiomyopathy in breast and ovarian cancer survivors are discussed.
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Affiliation(s)
- Sarah Nevins
- Department of Chemistry and Chemical Biology, Rutgers
University, the State University of New Jersey, 123 Bevier Road, Piscataway, NJ
08854, U.S.A
| | - Callan D. McLoughlin
- Department of Chemistry and Chemical Biology, Rutgers
University, the State University of New Jersey, 123 Bevier Road, Piscataway, NJ
08854, U.S.A
| | - Alfredo Oliveros
- Department of Neurosurgery, Robert Wood Johnson Medical
School, Rutgers University, the State University of New Jersey, 661 Hoes Ln W,
Piscataway, NJ, 08854, U.S.A
| | - Joshua B. Stein
- Department of Chemistry and Chemical Biology, Rutgers
University, the State University of New Jersey, 123 Bevier Road, Piscataway, NJ
08854, U.S.A
| | - Mohammad Abdur Rashid
- Department of Neurosurgery, Robert Wood Johnson Medical
School, Rutgers University, the State University of New Jersey, 661 Hoes Ln W,
Piscataway, NJ, 08854, U.S.A
| | - Yannan Hou
- Department of Chemistry and Chemical Biology, Rutgers
University, the State University of New Jersey, 123 Bevier Road, Piscataway, NJ
08854, U.S.A
| | - Mi-Hyeon Jang
- Department of Neurosurgery, Robert Wood Johnson Medical
School, Rutgers University, the State University of New Jersey, 661 Hoes Ln W,
Piscataway, NJ, 08854, U.S.A
| | - Ki-Bum Lee
- Department of Chemistry and Chemical Biology, Rutgers
University, the State University of New Jersey, 123 Bevier Road, Piscataway, NJ
08854, U.S.A
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11
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Sharma A, Behl T, Sharma L, Shah OP, Yadav S, Sachdeva M, Rashid S, Bungau SG, Bustea C. Exploring the molecular pathways and therapeutic implications of angiogenesis in neuropathic pain. Biomed Pharmacother 2023; 162:114693. [PMID: 37062217 DOI: 10.1016/j.biopha.2023.114693] [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: 02/18/2023] [Revised: 03/26/2023] [Accepted: 04/10/2023] [Indexed: 04/18/2023] Open
Abstract
Recently, much attention has been paid to chronic neuro-inflammatory condition underlying neuropathic pain. It is generally linked with thermal hyperalgesia and tactile allodynia. It results due to injury or infection in the nervous system. The neuropathic pain spectrum covers a variety of pathophysiological states, mostly involved are ischemic injury viral infections associated neuropathies, chemotherapy-induced peripheral neuropathies, autoimmune disorders, traumatic origin, hereditary neuropathies, inflammatory disorders, and channelopathies. In CNS, angiogenesis is evident in inflammation of neurons and pain in bone cancer. The role of chemokines and cytokines is dualistic; their aggressive secretion produces detrimental effects, leading to neuropathic pain. However, whether the angiogenesis contributes and exists in neuropathic pain remains doubtful. In the present review, we elucidated summary of diverse mechanisms of neuropathic pain associated with angiogenesis. Moreover, an overview of multiple targets that have provided insights on the VEGF signaling, signaling through Tie-1 and Tie-2 receptor, erythropoietin pathway promoting axonal growth are also discussed. Because angiogenesis as a result of these signaling, results in inflammation, we focused on the mechanisms of neuropathic pain. These factors are mainly responsible for the activation of post-traumatic regeneration of the PNS and CNS. Furthermore, we also reviewed synthetic and herbal treatments targeting angiogenesis in neuropathic pain.
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Affiliation(s)
- Aditi Sharma
- School of Pharmaceutical Sciences, Shoolini University, Solan 173211, Himachal Pradesh, India
| | - Tapan Behl
- School of Health Sciences and Technology, University of Petroleum and Energy Studies, Bidholi, 248007 Dehradun, Uttarakhand, India.
| | - Lalit Sharma
- School of Pharmaceutical Sciences, Shoolini University, Solan 173211, Himachal Pradesh, India
| | - Om Prakash Shah
- School of Pharmaceutical Sciences, Shoolini University, Solan 173211, Himachal Pradesh, India
| | - Shivam Yadav
- Department of Pharmaceutical Sciences, School of Pharmaceutical Sciences, Chhatrapati Shahu ji Maharaj University, Kanpur 208024, Uttar Pradesh, India
| | - Monika Sachdeva
- Fatima College of Health Sciences, Al Ain 00000, United Arab Emirates
| | - Summya Rashid
- Department of Pharmacology & Toxicology, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Simona Gabriela Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, Oradea 410028, Romania; Doctoral School of Biomedical Sciences, University of Oradea, Oradea 410028, Romania.
| | - Cristiana Bustea
- Department of Preclinical Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, Oradea 410073, Romania
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12
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Tonyan S, Pospelova M, Krasnikova V, Fionik O, Alekseeva T, Samochernykh K, Ivanova N, Vavilova T, Vasilieva E, Makhanova A, Nikolaeva A, Bukkieva T, Combs S, Shevtsov M. Neurotrophin-3 (NT-3) as a Potential Biomarker of the Peripheral Nervous System Damage Following Breast Cancer Treatment. PATHOPHYSIOLOGY 2023; 30:110-122. [PMID: 37092524 PMCID: PMC10123681 DOI: 10.3390/pathophysiology30020010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 03/30/2023] [Accepted: 04/01/2023] [Indexed: 04/05/2023] Open
Abstract
Damage to the peripheral nervous system (PNS) is a common complication of breast cancer (BC) treatment, with 60 to 80% of breast cancer survivors experiencing symptoms of PNS damage. In the current study, the levels of brain-derived neurotrophic factor (BDNF), galectin-3 (Gal-3), and neurotrophin-3 (NT-3) were measured in the blood serum of BC patients by ELISA as potential biomarkers that might indicate the PNS damage. Sixty-seven patients were enrolled in this multi-center trial and compared to the aged-matched healthy female volunteers (control group) (n = 25). Intergroup comparison of biomarker levels (i.e., Gal-3 and BDNF) did not show significant differences in any of the studied subgroups. However, intriguingly, NT-3 levels were significantly higher in BC patients as compared to healthy volunteers, constituting 14.85 [10.3; 18.0] and 5.74 [4.56; 13.7] pg/mL, respectively (p < 0.001). In conclusion, NT-3 might be employed as a potential biomarker in BC patients with clinical manifestations of PNS damage. However, further studies to validate its correlation to the degree of peripheral nervous system lesions are of high value.
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Affiliation(s)
- Samvel Tonyan
- Personalized Medicine Centre, Almazov National Medical Research Centre, 2 Akkuratova Str., 197341 Saint Petersburg, Russia
| | - Maria Pospelova
- Personalized Medicine Centre, Almazov National Medical Research Centre, 2 Akkuratova Str., 197341 Saint Petersburg, Russia
| | - Varvara Krasnikova
- Personalized Medicine Centre, Almazov National Medical Research Centre, 2 Akkuratova Str., 197341 Saint Petersburg, Russia
| | - Olga Fionik
- Personalized Medicine Centre, Almazov National Medical Research Centre, 2 Akkuratova Str., 197341 Saint Petersburg, Russia
| | - Tatyana Alekseeva
- Personalized Medicine Centre, Almazov National Medical Research Centre, 2 Akkuratova Str., 197341 Saint Petersburg, Russia
| | - Konstantin Samochernykh
- Personalized Medicine Centre, Almazov National Medical Research Centre, 2 Akkuratova Str., 197341 Saint Petersburg, Russia
| | - Nataliya Ivanova
- Personalized Medicine Centre, Almazov National Medical Research Centre, 2 Akkuratova Str., 197341 Saint Petersburg, Russia
| | - Tatyana Vavilova
- Personalized Medicine Centre, Almazov National Medical Research Centre, 2 Akkuratova Str., 197341 Saint Petersburg, Russia
| | - Elena Vasilieva
- Personalized Medicine Centre, Almazov National Medical Research Centre, 2 Akkuratova Str., 197341 Saint Petersburg, Russia
| | - Albina Makhanova
- Personalized Medicine Centre, Almazov National Medical Research Centre, 2 Akkuratova Str., 197341 Saint Petersburg, Russia
| | - Aleksandra Nikolaeva
- Personalized Medicine Centre, Almazov National Medical Research Centre, 2 Akkuratova Str., 197341 Saint Petersburg, Russia
| | - Tatyana Bukkieva
- Personalized Medicine Centre, Almazov National Medical Research Centre, 2 Akkuratova Str., 197341 Saint Petersburg, Russia
| | - Stephanie Combs
- Department of Radiation Oncology, Technishe Universität München (TUM), Klinikum Rechts der Isar, Ismaninger Str. 22, 81675 Munich, Germany
| | - Maxim Shevtsov
- Personalized Medicine Centre, Almazov National Medical Research Centre, 2 Akkuratova Str., 197341 Saint Petersburg, Russia
- Department of Radiation Oncology, Technishe Universität München (TUM), Klinikum Rechts der Isar, Ismaninger Str. 22, 81675 Munich, Germany
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13
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Current Status of Polysaccharides-Based Drug Delivery Systems for Nervous Tissue Injuries Repair. Pharmaceutics 2023; 15:pharmaceutics15020400. [PMID: 36839722 PMCID: PMC9966335 DOI: 10.3390/pharmaceutics15020400] [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: 12/21/2022] [Revised: 01/18/2023] [Accepted: 01/20/2023] [Indexed: 01/26/2023] Open
Abstract
Neurological disorders affecting both CNS and PNS still represent one of the most critical and challenging pathologies, therefore many researchers have been focusing on this field in recent decades. Spinal cord injury (SCI) and peripheral nerve injury (PNI) are severely disabling diseases leading to dramatic and, in most cases, irreversible sensory, motor, and autonomic impairments. The challenging pathophysiologic consequences involved in SCI and PNI are demanding the development of more effective therapeutic strategies since, as yet, a therapeutic strategy that can effectively lead to a complete recovery from such pathologies is not available. Drug delivery systems (DDSs) based on polysaccharides have been receiving more and more attention for a wide range of applications, due to their outstanding physical-chemical properties. This review aims at providing an overview of the most studied polysaccharides used for the development of DDSs intended for the repair and regeneration of a damaged nervous system, with particular attention to spinal cord and peripheral nerve injury treatments. In particular, DDSs based on chitosan and their association with alginate, dextran, agarose, cellulose, and gellan were thoroughly revised.
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14
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Gliwińska A, Czubilińska-Łada J, Więckiewicz G, Świętochowska E, Badeński A, Dworak M, Szczepańska M. The Role of Brain-Derived Neurotrophic Factor (BDNF) in Diagnosis and Treatment of Epilepsy, Depression, Schizophrenia, Anorexia Nervosa and Alzheimer's Disease as Highly Drug-Resistant Diseases: A Narrative Review. Brain Sci 2023; 13:brainsci13020163. [PMID: 36831706 PMCID: PMC9953867 DOI: 10.3390/brainsci13020163] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 01/15/2023] [Accepted: 01/16/2023] [Indexed: 01/20/2023] Open
Abstract
Brain-derived neurotrophic factor (BDNF) belongs to the family of neurotrophins, which are growth factors with trophic effects on neurons. BDNF is the most widely distributed neurotrophin in the central nervous system (CNS) and is highly expressed in the prefrontal cortex (PFC) and hippocampus. Its distribution outside the CNS has also been demonstrated, but most studies have focused on its effects in neuropsychiatric disorders. Despite the advances in medicine in recent decades, neurological and psychiatric diseases are still characterized by high drug resistance. This review focuses on the use of BDNF in the developmental assessment, treatment monitoring, and pharmacotherapy of selected diseases, with a particular emphasis on epilepsy, depression, anorexia, obesity, schizophrenia, and Alzheimer's disease. The limitations of using a molecule with such a wide distribution range and inconsistent method of determination are also highlighted.
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Affiliation(s)
- Aleksandra Gliwińska
- Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 40-055 Katowice, Poland
- Correspondence: ; Tel.: +48-32-370-43-05; Fax: +48-32-370-42-92
| | - Justyna Czubilińska-Łada
- Department of Neonatal Intensive Care, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 40-055 Katowice, Poland
| | - Gniewko Więckiewicz
- Department of Psychiatry, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 40-055 Katowice, Poland
| | - Elżbieta Świętochowska
- Department of Medical and Molecular Biology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 40-055 Katowice, Poland
| | - Andrzej Badeński
- Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 40-055 Katowice, Poland
| | - Marta Dworak
- Department of Pediatric Nephrology with Dialysis Division for Children, Independent Public Clinical Hospital No. 1, 41-800 Zabrze, Poland
| | - Maria Szczepańska
- Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 40-055 Katowice, Poland
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15
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Nucleic acid drug vectors for diagnosis and treatment of brain diseases. Signal Transduct Target Ther 2023; 8:39. [PMID: 36650130 PMCID: PMC9844208 DOI: 10.1038/s41392-022-01298-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 12/08/2022] [Accepted: 12/21/2022] [Indexed: 01/18/2023] Open
Abstract
Nucleic acid drugs have the advantages of rich target selection, simple in design, good and enduring effect. They have been demonstrated to have irreplaceable superiority in brain disease treatment, while vectors are a decisive factor in therapeutic efficacy. Strict physiological barriers, such as degradation and clearance in circulation, blood-brain barrier, cellular uptake, endosome/lysosome barriers, release, obstruct the delivery of nucleic acid drugs to the brain by the vectors. Nucleic acid drugs against a single target are inefficient in treating brain diseases of complex pathogenesis. Differences between individual patients lead to severe uncertainties in brain disease treatment with nucleic acid drugs. In this Review, we briefly summarize the classification of nucleic acid drugs. Next, we discuss physiological barriers during drug delivery and universal coping strategies and introduce the application methods of these universal strategies to nucleic acid drug vectors. Subsequently, we explore nucleic acid drug-based multidrug regimens for the combination treatment of brain diseases and the construction of the corresponding vectors. In the following, we address the feasibility of patient stratification and personalized therapy through diagnostic information from medical imaging and the manner of introducing contrast agents into vectors. Finally, we take a perspective on the future feasibility and remaining challenges of vector-based integrated diagnosis and gene therapy for brain diseases.
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16
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Reshamwala R, Shah M. Regenerative Approaches in the Nervous System. Regen Med 2023. [DOI: 10.1007/978-981-19-6008-6_11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
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17
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Wu SH, Lu IC, Yang SM, Hsieh CF, Chai CY, Tai MH, Huang SH. Spinal Irisin Gene Delivery Attenuates Burn Injury-Induced Muscle Atrophy by Promoting Axonal Myelination and Innervation of Neuromuscular Junctions. Int J Mol Sci 2022; 23:ijms232415899. [PMID: 36555538 PMCID: PMC9784798 DOI: 10.3390/ijms232415899] [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: 11/23/2022] [Revised: 12/10/2022] [Accepted: 12/12/2022] [Indexed: 12/15/2022] Open
Abstract
Muscle loss and weakness after a burn injury are typically the consequences of neuronal dysregulation and metabolic change. Hypermetabolism has been noted to cause muscle atrophy. However, the mechanism underlying the development of burn-induced motor neuropathy and its contribution to muscle atrophy warrant elucidation. Current therapeutic interventions for burn-induced motor neuropathy demonstrate moderate efficacy and have side effects, which limit their usage. We previously used a third-degree burn injury rodent model and found that irisin-an exercise-induced myokine-exerts a protective effect against burn injury-induced sensory and motor neuropathy by attenuating neuronal damage in the spinal cord. In the current study, spinal irisin gene delivery was noted to attenuate burn injury-induced sciatic nerve demyelination and reduction of neuromuscular junction innervation. Spinal overexpression of irisin leads to myelination rehabilitation and muscular innervation through the modulation of brain-derived neurotrophic factor and glial-cell-line-derived neurotrophic factor expression along the sciatic nerve to the muscle tissues and thereby modulates the Akt/mTOR pathway and metabolic derangement and prevents muscle atrophy.
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Affiliation(s)
- Sheng-Hua Wu
- Department of Anesthesiology, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung 801, Taiwan
- Department of Anesthesiology, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Department of Anesthesiology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
| | - I-Cheng Lu
- Department of Anesthesiology, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Department of Anesthesiology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
- Department of Anesthesiology, Kaohsiung Municipal Siaogang Hospital, Kaohsiung 812, Taiwan
| | - Shih-Ming Yang
- Institute of Biomedical Sciences, National Sun Yat-Sun University, Kaohsiung 804, Taiwan
| | - Chia-Fang Hsieh
- Department of Anesthesiology, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung 801, Taiwan
| | - Chee-Yin Chai
- Institute of Biomedical Sciences, National Sun Yat-Sun University, Kaohsiung 804, Taiwan
- Department of Pathology, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Department of Pathology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
| | - Ming-Hong Tai
- Institute of Biomedical Sciences, National Sun Yat-Sun University, Kaohsiung 804, Taiwan
- Correspondence: (M.-H.T.); (S.-H.H.)
| | - Shu-Hung Huang
- Department of Surgery, Division of Plastic Surgery, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
- Department of Surgery, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Regeneration Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Department of Surgery, Division of Plastic Surgery, Kaohsiung Municipal Siaogang Hospital, Kaohsiung 812, Taiwan
- Correspondence: (M.-H.T.); (S.-H.H.)
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18
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Tolabi H, Bakhtiary N, Sayadi S, Tamaddon M, Ghorbani F, Boccaccini AR, Liu C. A critical review on polydopamine surface-modified scaffolds in musculoskeletal regeneration. Front Bioeng Biotechnol 2022; 10:1008360. [PMID: 36466324 PMCID: PMC9715616 DOI: 10.3389/fbioe.2022.1008360] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Accepted: 11/04/2022] [Indexed: 08/26/2023] Open
Abstract
Increasing concern about age-related diseases, particularly musculoskeletal injuries and orthopedic conditions, highlights the need for strategies such as tissue engineering to address them. Surface modification has been developed to create pro-healing interfaces, personalize scaffolds and provide novel medicines. Polydopamine, a mussel-inspired adhesive polymer with highly reactive functional groups that adhere to nearly all substrates, has gained attention in surface modification strategies for biomaterials. Polydopamine was primarily developed to modify surfaces, but its effectiveness has opened up promising approaches for further applications in bioengineering as carriers and nanoparticles. This review focuses on the recent discoveries of the role of polydopamine as a surface coating material, with focus on the properties that make it suitable for tackling musculoskeletal disorders. We report the evolution of using it in research, and discuss papers involving the progress of this field. The current research on the role of polydopamine in bone, cartilage, muscle, nerve, and tendon regeneration is discussed, thus giving comprehensive overview about the function of polydopamine both in-vitro and in-vivo. Finally, the report concludes presenting the critical challenges that must be addressed for the clinical translation of this biomaterial while exploring future perspectives and research opportunities in this area.
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Affiliation(s)
- Hamidreza Tolabi
- New Technologies Research Center (NTRC), Amirkabir University of Technology, Tehran, Iran
- Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Negar Bakhtiary
- Burn Research Center, Iran University of Medical Sciences, Tehran, Iran
- Department of Biomaterials, Faculty of Interdisciplinary Science and Technology, Tarbiat Modares University, Tehran, Iran
- Institute of Orthopaedic and Musculoskeletal Science, University College London, Royal National Orthopaedic Hospital, Stanmore, United Kingdom
| | - Shaghayegh Sayadi
- School of Mechanical Engineering, College of Engineering, University of Tehran, Tehran, Iran
| | - Maryam Tamaddon
- Institute of Orthopaedic and Musculoskeletal Science, University College London, Royal National Orthopaedic Hospital, Stanmore, United Kingdom
| | - Farnaz Ghorbani
- Institute of Orthopaedic and Musculoskeletal Science, University College London, Royal National Orthopaedic Hospital, Stanmore, United Kingdom
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Aldo R. Boccaccini
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Chaozong Liu
- Institute of Orthopaedic and Musculoskeletal Science, University College London, Royal National Orthopaedic Hospital, Stanmore, United Kingdom
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19
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Cho YH, Seo TB. The timing point of exercise intervention regulates neuropathic pain-related molecules in the ipsilateral dorsal root ganglion neurons after sciatic nerve injury. J Exerc Rehabil 2022; 18:286-293. [PMID: 36420470 PMCID: PMC9650311 DOI: 10.12965/jer.2244382.191] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 09/11/2022] [Indexed: 02/06/2024] Open
Abstract
The purpose of this study was to determine whether the timing of tread-mill exercise application can control expression levels of neuropathic pain- and regeneration-related proteins in the ipsilateral lumbar 4 (L4) to 6 (L6) dorsal root ganglion cells (DRG) after sciatic nerve injury (SNI). The experimental rats were randomly divided into five groups: the normal control, SNI+sedentary (IS), exercise+SNI (EI), SNI+exercise (IE), exercise+SNI+exercise (EIE) groups. The rats in exercise groups per-formed treadmill exercise at a speed of 8 m/min for 30 min once a day during 14 days before and/or after SNI. For investigating the expression of specific neuropathic pain and regeneration-related proteins in DRG, we prepared L4 to L6 DRG in the ipsilateral side. In the quantitative analysis, growth associated protein 43 (GAP-43) and brain-derived neurotrophic factor levels were further increased in the ipsilateral DRG at all treadmill exercise groups than those in IS group. In the histological findings, GAP-43 was qualitatively increased IE and EIE groups than IS group at DRG. Wnt3a and β-catenin were dramatically downregulated in EIE and IE groups than IS groups. In addition, nuclear factor kappa-light-chain-enhancer of activated B cells and tumor necrosis factor-α were significantly decreased in IE and EIE groups than IS group in the ipsilateral DRG. Our findings suggested novel information that regular low-intensity exercise before and/or after SNI might be a therapeutic and preventive approaches for relieving neuropathic pain and improving axonal elongation after peripheral nerve injury.
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Affiliation(s)
- Yeong-Hyun Cho
- Department of Kinesiology, College of Natural Science, Jeju National University, Jeju,
Korea
| | - Tae-Beom Seo
- Department of Kinesiology, College of Natural Science, Jeju National University, Jeju,
Korea
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20
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Membrane Progesterone Receptor α (mPRα/PAQR7) Promotes Survival and Neurite Outgrowth of Human Neuronal Cells by a Direct Action and Through Schwann Cell-like Stem Cells. J Mol Neurosci 2022; 72:2067-2080. [PMID: 35974286 DOI: 10.1007/s12031-022-02057-z] [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: 06/09/2022] [Accepted: 08/05/2022] [Indexed: 10/15/2022]
Abstract
We recently showed that membrane progesterone receptor α (mPRα/PAQR7) promotes pro-regenerative effects in Schwann cell-like adipose stem cells (SCL-ASC), an alternative model to Schwann cells for the promotion of peripheral nerve regeneration. In this study, we investigated how mPRα activation with the mPR-specific agonist Org OD 02-0 in SCL-ASC affected regenerative parameters in two neuronal cell lines, IMR-32 and SH-SY-5Y. In a series of conditioned medium experiments, we found that mPR activation of SCL-ASC led to increased neurite outgrowth, protection from cell death and increased expression of peripheral nerve regeneration markers (CREB3, ATF3, GAP43) in neuronal cell lines. These effects were stronger than the ones observed with the conditioned medium from untreated SCL-ASC. The addition of Org OD 02-0 to the untreated cell medium mimicked the effects of mPR activation of SCL-ASC on cell death, but not on neurite outgrowth. Therefore, the effect of Org OD 02-0 on neurite outgrowth is SCL-ASC-dependent, while its effect on cell survivability is likely due to the direct activation of mPRs on neuronal cells. SCL-ASC transfection with mPRα siRNA showed that this isoform is responsible for the beneficial effect on neurite outgrowth. Further experiments showed that SCL-ASC-dependent outcomes likely involved the release of BDNF and IGF-2 from these cells. The beneficial mPRα effect on neurite outgrowth was confirmed in co-culture conditions. These findings strengthen the hypothesis that mPRα could play a pro-regenerative role in SCL-ASC and be a therapeutic target for the promotion of peripheral nerve regeneration.
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21
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Wang Y, Li Y, Huang Z, Yang B, Mu N, Yang Z, Deng M, Liao X, Yin G, Nie Y, Chen T, Ma H. Gene delivery of chitosan-graft-polyethyleneimine vectors loaded on scaffolds for nerve regeneration. Carbohydr Polym 2022; 290:119499. [PMID: 35550777 DOI: 10.1016/j.carbpol.2022.119499] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 04/12/2022] [Accepted: 04/13/2022] [Indexed: 12/31/2022]
Abstract
As an important transcription factor, c-Jun could upregulate growth factors expression in Schwann cells (SCs). Arginine-Glycine-Aspartate (RGD)-functionalized chitosan-graft-polyethyleneimine (RCP) gene vectors were prepared through the maleic anhydride & the carbodiimide methods, and electrostatically bound with c-Jun plasmids (pJUN), finally loaded on poly-L-lactic acid/silk fibroin parallel fiber films to fabricate nerve scaffold (RCP/pJUN-PSPF@PGA), which could locally deliver c-Jun plasmids into SCs via the mediation of RGD peptides, and upregulate the expression of nerve growth factor (NGF) and brain-derived neurotrophic factor (BDNF) in SCs. After the scaffold was bridged in sciatic nerve defect, the delivery of c-Jun plasmids from RCP/pJUN-PSPF@PGA facilitated SCs to sustain the expressions of NGF, BDNF and vascular endothelial growth factor in the injury field, promoting myelination, axonal growth and microvascular generation and nerve regeneration, muscle reinnervation and functional recovery. These results suggested that RCP/pDNA-PSPF@PGA, as an effective gene delivery platform, could provide a local gene therapy to improve nerve regeneration.
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Affiliation(s)
- Yulin Wang
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Ya Li
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Zhongbing Huang
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, PR China.
| | - Bing Yang
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Ning Mu
- Department of Neurosurgery, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing 400038, PR China
| | - Zhaopu Yang
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Min Deng
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Xiaoming Liao
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Guangfu Yin
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Yu Nie
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Tunan Chen
- Department of Neurosurgery, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing 400038, PR China.
| | - Hua Ma
- Department of Neurosurgery, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing 400038, PR China
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22
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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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23
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Sanchez Rezza A, Kulahci Y, Gorantla VS, Zor F, Drzeniek NM. Implantable Biomaterials for Peripheral Nerve Regeneration–Technology Trends and Translational Tribulations. Front Bioeng Biotechnol 2022; 10:863969. [PMID: 35573254 PMCID: PMC9092979 DOI: 10.3389/fbioe.2022.863969] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 04/05/2022] [Indexed: 02/01/2023] Open
Abstract
The use of autografted nerve in surgical repair of peripheral nerve injuries (PNI) is severely limited due to donor site morbidity and restricted tissue availability. As an alternative, synthetic nerve guidance channels (NGCs) are available on the market for surgical nerve repair, but they fail to promote nerve regeneration across larger critical gap nerve injuries. Therefore, such injuries remain unaddressed, result in poor healing outcomes and are a limiting factor in limb reconstruction and transplantation. On the other hand, a myriad of advanced biomaterial strategies to address critical nerve injuries are proposed in preclinical literature but only few of those have found their way into clinical practice. The design of synthetic nerve grafts should follow rational criteria and make use of a combination of bioinstructive cues to actively promote nerve regeneration. To identify the most promising NGC designs for translation into applicable products, thorough mode of action studies, standardized readouts and validation in large animals are needed. We identify design criteria for NGC fabrication according to the current state of research, give a broad overview of bioactive and functionalized biomaterials and highlight emerging composite implant strategies using therapeutic cells, soluble factors, structural features and intrinsically conductive substrates. Finally, we discuss translational progress in bioartificial conduits for nerve repair from the surgeon’s perspective and give an outlook toward future challenges in the field.
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Affiliation(s)
- Angela Sanchez Rezza
- Charité— Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt–Universität zu Berlin, Institute of Medical Immunology, Berlin, Germany
| | - Yalcin Kulahci
- Wake Forest School of Medicine, Department of Surgery, Wake Forest Institute for Regenerative Medicine, Winston-Salem, NC, United States
| | - Vijay S. Gorantla
- Wake Forest School of Medicine, Department of Surgery, Wake Forest Institute for Regenerative Medicine, Winston-Salem, NC, United States
| | - Fatih Zor
- Wake Forest School of Medicine, Department of Surgery, Wake Forest Institute for Regenerative Medicine, Winston-Salem, NC, United States
- *Correspondence: Fatih Zor, ; Norman M. Drzeniek,
| | - Norman M. Drzeniek
- Charité— Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt–Universität zu Berlin, Institute of Medical Immunology, Berlin, Germany
- Berlin Institute of Health at Charité—Universitätsmedizin Berlin, BIH Center for Regenerative Therapies (BCRT), Berlin, Germany
- Charité — Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt- Universität zu Berlin, Berlin-Brandenburg School for Regenerative Therapies (BSRT), Berlin, Germany
- *Correspondence: Fatih Zor, ; Norman M. Drzeniek,
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24
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Gao L, Zhang Y, Sterling K, Song W. Brain-derived neurotrophic factor in Alzheimer's disease and its pharmaceutical potential. Transl Neurodegener 2022; 11:4. [PMID: 35090576 PMCID: PMC8796548 DOI: 10.1186/s40035-022-00279-0] [Citation(s) in RCA: 116] [Impact Index Per Article: 58.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Accepted: 01/01/2022] [Indexed: 12/14/2022] Open
Abstract
Synaptic abnormalities are a cardinal feature of Alzheimer's disease (AD) that are known to arise as the disease progresses. A growing body of evidence suggests that pathological alterations to neuronal circuits and synapses may provide a mechanistic link between amyloid β (Aβ) and tau pathology and thus may serve as an obligatory relay of the cognitive impairment in AD. Brain-derived neurotrophic factors (BDNFs) play an important role in maintaining synaptic plasticity in learning and memory. Considering AD as a synaptic disorder, BDNF has attracted increasing attention as a potential diagnostic biomarker and a therapeutical molecule for AD. Although depletion of BDNF has been linked with Aβ accumulation, tau phosphorylation, neuroinflammation and neuronal apoptosis, the exact mechanisms underlying the effect of impaired BDNF signaling on AD are still unknown. Here, we present an overview of how BDNF genomic structure is connected to factors that regulate BDNF signaling. We then discuss the role of BDNF in AD and the potential of BDNF-targeting therapeutics for AD.
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Affiliation(s)
- Lina Gao
- Shandong Collaborative Innovation Center for Diagnosis, Treatment and Behavioral Interventions of Mental Disorders, Institute of Mental Health, College of Pharmacy, Jining Medical University, Jining, 272067, Shandong, China
- Townsend Family Laboratories, Department of Psychiatry, The University of British Columbia, 2255 Wesbrook Mall, Vancouver, BC, V6T 1Z3, Canada
| | - Yun Zhang
- National Clinical Research Center for Geriatric Disorders, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
| | - Keenan Sterling
- Townsend Family Laboratories, Department of Psychiatry, The University of British Columbia, 2255 Wesbrook Mall, Vancouver, BC, V6T 1Z3, Canada
| | - Weihong Song
- Shandong Collaborative Innovation Center for Diagnosis, Treatment and Behavioral Interventions of Mental Disorders, Institute of Mental Health, College of Pharmacy, Jining Medical University, Jining, 272067, Shandong, China.
- Townsend Family Laboratories, Department of Psychiatry, The University of British Columbia, 2255 Wesbrook Mall, Vancouver, BC, V6T 1Z3, Canada.
- National Clinical Research Center for Geriatric Disorders, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China.
- Institute of Aging, Key Laboratory of Alzheimer's Disease of Zhejiang Province, School of Mental Health and The Affiliated Kangning Hospital, Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China.
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou, 325001, Zhejiang, China.
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25
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Kaplan B, Levenberg S. The Role of Biomaterials in Peripheral Nerve and Spinal Cord Injury: A Review. Int J Mol Sci 2022; 23:ijms23031244. [PMID: 35163168 PMCID: PMC8835501 DOI: 10.3390/ijms23031244] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 01/19/2022] [Accepted: 01/20/2022] [Indexed: 12/18/2022] Open
Abstract
Peripheral nerve and spinal cord injuries are potentially devastating traumatic conditions with major consequences for patients’ lives. Severe cases of these conditions are currently incurable. In both the peripheral nerves and the spinal cord, disruption and degeneration of axons is the main cause of neurological deficits. Biomaterials offer experimental solutions to improve these conditions. They can be engineered as scaffolds that mimic the nerve tissue extracellular matrix and, upon implantation, encourage axonal regeneration. Furthermore, biomaterial scaffolds can be designed to deliver therapeutic agents to the lesion site. This article presents the principles and recent advances in the use of biomaterials for axonal regeneration and nervous system repair.
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Affiliation(s)
- Ben Kaplan
- Faculty of Biomedical Engineering, Technion-Israel Institute of Technology, Haifa 3200003, Israel;
- Bruce Rapaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa 3525433, Israel
| | - Shulamit Levenberg
- Faculty of Biomedical Engineering, Technion-Israel Institute of Technology, Haifa 3200003, Israel;
- Correspondence:
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26
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Cao S, Deng Y, Zhang L, Aleahmad M. Chitosan nanoparticles, as biological macromolecule-based drug delivery systems to improve the healing potential of artificial neural guidance channels: A review. Int J Biol Macromol 2022; 201:569-579. [PMID: 35031319 DOI: 10.1016/j.ijbiomac.2022.01.017] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Revised: 12/25/2021] [Accepted: 01/05/2022] [Indexed: 12/13/2022]
Abstract
The healing potential of artificial neural guidance channels (NGCs) can be improved by various approaches such as seeding them with supporting cells, the incorporation of various cues, and modification with different fabrication methods. Recently, the therapeutic appeal towards the use of drug-delivering NGCs has increased. In this framework, neuroprotective agents are incorporated into the structure of NGCs using different techniques. Among available methods, nanoparticle-based drug carriers offer numerous advantages over other formulations such as controlled drug release, targeted delivery, high encapsulation efficacy, and high surface to volume ratio. Chitosan nanoparticles have different interesting features for drug delivery applications. These nanocarriers are biocompatible, biodegradable, non-immunogenic, stable, and possess tunable properties. In the current review, applications, challenges, and future perspectives of drug-loaded chitosan nanoparticles to augment the healing potential of NGCs will be discussed.
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Affiliation(s)
- Shuang Cao
- Department of Neuroelectrophysiology, Jinan Children's Hospital, Jinan 250022, Shandong, China
| | - Yang Deng
- School of Public Health and Management, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271016, Shandong, China.
| | - Le Zhang
- School of Public Health and Management, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271016, Shandong, China.
| | - Mehdi Aleahmad
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
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27
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Numerous nanoparticles as drug delivery system to control secondary immune response and promote spinal cord injury regeneration. Process Biochem 2022. [DOI: 10.1016/j.procbio.2021.11.025] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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28
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Khare P, Dave KM, Kamte YS, Manoharan MA, O'Donnell LA, Manickam DS. Development of Lipidoid Nanoparticles for siRNA Delivery to Neural Cells. AAPS J 2021; 24:8. [PMID: 34873640 PMCID: PMC8648339 DOI: 10.1208/s12248-021-00653-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Accepted: 09/28/2021] [Indexed: 01/24/2023] Open
Abstract
Lipidoid nanoparticles (LNPs) are the delivery platform in Onpattro, the first FDA-approved siRNA drug. LNPs are also the carriers in the Pfizer-BioNTech and Moderna COVID-19 mRNA vaccines. While these applications have demonstrated that LNPs effectively deliver nucleic acids to hepatic and muscle cells, it is unclear if LNPs could be used for delivery of siRNA to neural cells, which are notoriously challenging delivery targets. Therefore, the purpose of this study was to determine if LNPs could efficiently deliver siRNA to neurons. Because of their potential delivery utility in either applications for the central nervous system and the peripheral nervous system, we used both cortical neurons and sensory neurons. We prepared siRNA-LNPs using C12-200, a benchmark ionizable cationic lipidoid along with helper lipids. We demonstrated using dynamic light scattering that the inclusion of both siRNA and PEG-lipid provided a stabilizing effect to the LNP particle diameters and polydispersity indices by minimizing aggregation. We found that siRNA-LNPs were safely tolerated by primary dorsal root ganglion neurons. Flow cytometry analysis revealed that Cy5 siRNA delivered via LNPs into rat primary cortical neurons showed uptake levels similar to Lipofectamine RNAiMAX-the gold standard commercial transfection agent. However, LNPs demonstrated a superior safety profile, whereas the Lipofectamine-mediated uptake was concomitant with significant toxicity. Fluorescence microscopy demonstrated a time-dependent increase in the uptake of LNP-delivered Cy5 siRNA in a human cortical neuron cell line. Overall, our results suggest that LNPs are a viable platform that can be optimized for delivery of therapeutic siRNAs to neural cells.
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Affiliation(s)
- Purva Khare
- Graduate School of Pharmaceutical Sciences, Duquesne University, 453 Mellon Hall, 600 Forbes Avenue, Pittsburgh, Pennsylvania, 15282, USA
| | - Kandarp M Dave
- Graduate School of Pharmaceutical Sciences, Duquesne University, 453 Mellon Hall, 600 Forbes Avenue, Pittsburgh, Pennsylvania, 15282, USA
| | - Yashika S Kamte
- Graduate School of Pharmaceutical Sciences, Duquesne University, 453 Mellon Hall, 600 Forbes Avenue, Pittsburgh, Pennsylvania, 15282, USA
| | | | - Lauren A O'Donnell
- Graduate School of Pharmaceutical Sciences, Duquesne University, 453 Mellon Hall, 600 Forbes Avenue, Pittsburgh, Pennsylvania, 15282, USA
| | - Devika S Manickam
- Graduate School of Pharmaceutical Sciences, Duquesne University, 453 Mellon Hall, 600 Forbes Avenue, Pittsburgh, Pennsylvania, 15282, USA.
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29
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Maugeri G, D'Agata V, Trovato B, Roggio F, Castorina A, Vecchio M, Di Rosa M, Musumeci G. The role of exercise on peripheral nerve regeneration: from animal model to clinical application. Heliyon 2021; 7:e08281. [PMID: 34765794 PMCID: PMC8571504 DOI: 10.1016/j.heliyon.2021.e08281] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 06/26/2021] [Accepted: 10/25/2021] [Indexed: 12/15/2022] Open
Abstract
Peripheral nerve injury is a complex condition with a variety of signs and symptoms depending on the severity and nerves involved. Peripheral nerve damage may lead to sensory and motor functions deficits and even lifelong disability, causing important socioeconomic costs worldwide. Despite the increase in knowledge of the mechanisms of injury and regeneration, a full functional recovery is still unsatisfying in the majority of patients. It is well known that exercise promotes physical and psychological well-being, by ameliorating general health. In the last years, there has been a growing interest in evaluating the effects of exercise on the peripheral nervous system. Experimental works with rodent models showed the potential utility of exercise following peripheral nerve injuries, as evinced by increasing axon regeneration, muscle reinnervation, better recovery of strength, muscle mass and higher expression of neurotrophic factors. Moreover, clinical evidence showed positive trends in favour of physical therapy following peripheral nerve damage based on the improvement of range of motion (ROM), muscle power grade and pain. After a brief overview of peripheral nerve anatomy and the different types of nerve injury, the present review aims to summarize the impact of exercise on peripheral nerve regeneration. Some clinical evidence regarding the effect of exercise after peripheral nerve injury will also be discussed.
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Affiliation(s)
- Grazia Maugeri
- Department of Biomedical and Biotechnological Sciences, Human, Histology and Movement Science Section, University of Catania, Via S. Sofia n°87, 95123, Catania, Italy
| | - Velia D'Agata
- Department of Biomedical and Biotechnological Sciences, Human, Histology and Movement Science Section, University of Catania, Via S. Sofia n°87, 95123, Catania, Italy
| | - Bruno Trovato
- Research Center on Motor Activities (CRAM), University of Catania, Via S. Sofia n°97, 95123, Catania, Italy
| | - Federico Roggio
- Research Center on Motor Activities (CRAM), University of Catania, Via S. Sofia n°97, 95123, Catania, Italy
| | - Alessandro Castorina
- Laboratory of Cellular and Molecular Neuroscience (LCMN), School of Life Sciences, Faculty of Science, University of Technology Sydney, PO Box 123, Broadway, NSW, 2007, Australia.,Laboratory of Neural Structure and Function (LNSF), School of Medical Sciences, (Anatomy & Histology), Faculty of Medicine and Health, University of Sydney, Sydney, NSW, 2006, Australia
| | - Michele Vecchio
- Unit of Rehabilitation, Vittorio Emanuele University Hospital, Catania, Italy
| | - Michelino Di Rosa
- Department of Biomedical and Biotechnological Sciences, Human, Histology and Movement Science Section, University of Catania, Via S. Sofia n°87, 95123, Catania, Italy
| | - Giuseppe Musumeci
- Department of Biomedical and Biotechnological Sciences, Human, Histology and Movement Science Section, University of Catania, Via S. Sofia n°87, 95123, Catania, Italy.,Research Center on Motor Activities (CRAM), University of Catania, Via S. Sofia n°97, 95123, Catania, Italy.,Department of Biology, Sbarro Institute for Cancer Research and Molecular Medicine, College of Science and Technology, Temple University, Philadelphia, PA, 19122, USA
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30
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Kim HJ, Bayarsaikhan D, Lee J, Bayarsaikhan G, Lee B. Brain-Derived Neurotrophic Factor Secreting Human Mesenchymal Stem Cells Improve Outcomes in Rett Syndrome Mouse Models. Front Neurosci 2021; 15:725398. [PMID: 34690674 PMCID: PMC8526791 DOI: 10.3389/fnins.2021.725398] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 09/01/2021] [Indexed: 11/13/2022] Open
Abstract
Rett syndrome (RTT) is a severe X-linked dominant neurodevelopmental disorder caused by mutations in the methyl-CpG-binding protein 2 (MECP2) gene; MeCP2 regulates the expression of brain-derived neurotrophic factor (BDNF) and increasing BDNF levels ameliorates RTT symptoms. However, the clinical application of BDNF is limited, because of its short half-life and low penetrance across the blood-brain barrier. In this study, we generated BDNF-secreting mesenchymal stem cells (MSCs) from the human umbilical cord cells, using CRISPR-Cas9. We studied the effects of BDNF-MSCs in MECP2 knockout and MECP2-deficient mice. BDNF-MSCs upregulated the expression of BDNF, pAKT, and pERK1/2 and downregulated that of pp38, both in vitro and in vivo. In our in vivo experiments, BDNF-MSCs increased the body and brain weights in mice. BDNF-MSCs increased the neuronal cell numbers in the hippocampus, cortex, and striatum; in addition, they increased the number of synapses. BDNF-MSCs upregulated BDNF and the activity of BDNF downstream effectors, such as pAKT and pERK 1/2; this upregulation was persistent. In conclusion, BDNF-MSCs generated using CRISPR-Cas9 could be a therapeutic strategy for treating RTT.
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Affiliation(s)
- Hyo Jeong Kim
- Department of Anatomy & Cell Biology, Gachon University College of Medicine, Incheon, South Korea.,Department of Pediatrics, Gil Medical Center, Gachon University College of Medicine, Incheon, South Korea
| | - Delger Bayarsaikhan
- Center for Genomics and Proteomics and Stem Cell Core Facility, Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon, South Korea
| | - Jaesuk Lee
- Center for Genomics and Proteomics and Stem Cell Core Facility, Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon, South Korea.,Department of Chemistry, College of Natural Science, Seoul National University, Seoul, South Korea
| | - Govigerel Bayarsaikhan
- Center for Genomics and Proteomics and Stem Cell Core Facility, Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon, South Korea
| | - Bonghee Lee
- Department of Anatomy & Cell Biology, Gachon University College of Medicine, Incheon, South Korea.,Center for Genomics and Proteomics and Stem Cell Core Facility, Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon, South Korea
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31
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Summers HD, Gomes CP, Varela-Moreira A, Spencer AP, Gomez-Lazaro M, Pêgo AP, Rees P. Data-Driven Modeling of the Cellular Pharmacokinetics of Degradable Chitosan-Based Nanoparticles. NANOMATERIALS 2021; 11:nano11102606. [PMID: 34685047 PMCID: PMC8538870 DOI: 10.3390/nano11102606] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2021] [Revised: 09/28/2021] [Accepted: 09/29/2021] [Indexed: 02/05/2023]
Abstract
Nanoparticle drug delivery vehicles introduce multiple pharmacokinetic processes, with the delivery, accumulation, and stability of the therapeutic molecule influenced by nanoscale processes. Therefore, considering the complexity of the multiple interactions, the use of data-driven models has critical importance in understanding the interplay between controlling processes. We demonstrate data simulation techniques to reproduce the time-dependent dose of trimethyl chitosan nanoparticles in an ND7/23 neuronal cell line, used as an in vitro model of native peripheral sensory neurons. Derived analytical expressions of the mean dose per cell accurately capture the pharmacokinetics by including a declining delivery rate and an intracellular particle degradation process. Comparison with experiment indicates a supply time constant, τ = 2 h. and a degradation rate constant, b = 0.71 h−1. Modeling the dose heterogeneity uses simulated data distributions, with time dependence incorporated by transforming data-bin values. The simulations mimic the dynamic nature of cell-to-cell dose variation and explain the observed trend of increasing numbers of high-dose cells at early time points, followed by a shift in distribution peak to lower dose between 4 to 8 h and a static dose profile beyond 8 h.
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Affiliation(s)
- Huw D. Summers
- Department of Biomedical Engineering, Swansea University, Swansea SA1 8QQ, UK;
- Correspondence:
| | - Carla P. Gomes
- i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal; (C.P.G.); (A.V.-M.); (A.P.S.); (M.G.-L.); (A.P.P.)
- Instituto de Engenharia Biomédica INEB, Universidade do Porto, 4200-135 Porto, Portugal
- Faculdade de Engenharia da Universidade do Porto (FEUP), Universidade do Porto, 4200-465 Porto, Portugal
| | - Aida Varela-Moreira
- i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal; (C.P.G.); (A.V.-M.); (A.P.S.); (M.G.-L.); (A.P.P.)
- Instituto de Engenharia Biomédica INEB, Universidade do Porto, 4200-135 Porto, Portugal
| | - Ana P. Spencer
- i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal; (C.P.G.); (A.V.-M.); (A.P.S.); (M.G.-L.); (A.P.P.)
- Instituto de Engenharia Biomédica INEB, Universidade do Porto, 4200-135 Porto, Portugal
- Faculdade de Engenharia da Universidade do Porto (FEUP), Universidade do Porto, 4200-465 Porto, Portugal
| | - Maria Gomez-Lazaro
- i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal; (C.P.G.); (A.V.-M.); (A.P.S.); (M.G.-L.); (A.P.P.)
- Instituto de Engenharia Biomédica INEB, Universidade do Porto, 4200-135 Porto, Portugal
| | - Ana P. Pêgo
- i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal; (C.P.G.); (A.V.-M.); (A.P.S.); (M.G.-L.); (A.P.P.)
- Instituto de Engenharia Biomédica INEB, Universidade do Porto, 4200-135 Porto, Portugal
- Faculdade de Engenharia da Universidade do Porto (FEUP), Universidade do Porto, 4200-465 Porto, Portugal
- Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, 4050-313 Porto, Portugal
| | - Paul Rees
- Department of Biomedical Engineering, Swansea University, Swansea SA1 8QQ, UK;
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32
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Yang S, Zhu J, Lu C, Chai Y, Cao Z, Lu J, Zhang Z, Zhao H, Huang YY, Yao S, Kong X, Zhang P, Wang X. Aligned fibrin/functionalized self-assembling peptide interpenetrating nanofiber hydrogel presenting multi-cues promotes peripheral nerve functional recovery. Bioact Mater 2021; 8:529-544. [PMID: 34541418 PMCID: PMC8435993 DOI: 10.1016/j.bioactmat.2021.05.056] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Revised: 05/07/2021] [Accepted: 05/28/2021] [Indexed: 12/19/2022] Open
Abstract
Nerve guidance conduits with hollow lumen fail to regenerate critical-sized peripheral nerve defects (15 mm in rats and 25 mm in humans), which can be improved by a beneficial intraluminal microenvironment. However, individual cues provided by intraluminal filling materials are inadequate to eliminate the functional gap between regenerated nerves and normal nerves. Herein, an aligned fibrin/functionalized self-assembling peptide (AFG/fSAP) interpenetrating nanofiber hydrogel that exerting synergistic topographical and biochemical cues for peripheral nerve regeneration is constructed via electrospinning and molecular self-assembly. The hydrogel possesses an aligned structure, high water content, appropriate mechanical properties and suitable biodegradation capabilities for nerve repair, which enhances the alignment and neurotrophin secretion of primary Schwann cells (SCs) in vitro, and successfully bridges a 15-mm sciatic nerve gap in rats in vivo. The rats transplanted with the AFG/fSAP hydrogel exhibit satisfactory morphological and functional recovery in myelinated nerve fibers and innervated muscles. The motor function recovery facilitated by the AFG/fSAP hydrogel is comparable with that of autografts. Moreover, the AFG/fSAP hydrogel upregulates the regeneration-associated gene expression and activates the PI3K/Akt and MAPK signaling pathways in the regenerated nerve. Altogether, the AFG/fSAP hydrogel represents a promising approach for peripheral nerve repair through an integration of structural guidance and biochemical stimulation. A novel aligned interpenetrating nanofiber hydrogel is first constructed for peripheral nerve regeneration. The aligned hydrogel presents synergistic topographical and biochemical cues for peripheral nerve regeneration. Nerve conduits filled with the aligned hydrogel can repair the long-distance sciatic nerve defects in 12 weeks. The function recovery facilitated by the aligned hydrogel is comparable with that of autografts. The aligned hydrogel upregulates regeneration-related genes and activates the PI3K/Akt and MAPK signaling pathways.
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Affiliation(s)
- Shuhui Yang
- State Key Laboratory of New Ceramics and Fine Processing, Key Laboratory of Advanced Materials of Ministry of Education, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, PR China
| | - Jinjin Zhu
- State Key Laboratory of New Ceramics and Fine Processing, Key Laboratory of Advanced Materials of Ministry of Education, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, PR China.,Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine & Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang, Hangzhou, 310016, PR China
| | - Changfeng Lu
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Ministry of Education, Department of Trauma and Orthopedics, Peking University People's Hospital, Beijing, 100044, PR China
| | - Yi Chai
- School of Clinical Medicine, Tsinghua University, Beijing, 100084, PR China
| | - Zheng Cao
- State Key Laboratory of New Ceramics and Fine Processing, Key Laboratory of Advanced Materials of Ministry of Education, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, PR China
| | - Jiaju Lu
- School of Materials Science and Engineering, Zhejiang-Mauritius Joint Research Center for Biomaterials and Tissue Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, PR China
| | - Zhe Zhang
- State Key Laboratory of New Ceramics and Fine Processing, Key Laboratory of Advanced Materials of Ministry of Education, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, PR China
| | - He Zhao
- State Key Laboratory of New Ceramics and Fine Processing, Key Laboratory of Advanced Materials of Ministry of Education, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, PR China
| | - Yin-Yuan Huang
- State Key Laboratory of New Ceramics and Fine Processing, Key Laboratory of Advanced Materials of Ministry of Education, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, PR China
| | - Shenglian Yao
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, PR China
| | - Xiangdong Kong
- School of Materials Science and Engineering, Zhejiang-Mauritius Joint Research Center for Biomaterials and Tissue Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, PR China
| | - Peixun Zhang
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Ministry of Education, Department of Trauma and Orthopedics, Peking University People's Hospital, Beijing, 100044, PR China
| | - Xiumei Wang
- State Key Laboratory of New Ceramics and Fine Processing, Key Laboratory of Advanced Materials of Ministry of Education, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, PR China
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Castelnovo LF, Thomas P. Membrane progesterone receptor α (mPRα/PAQR7) promotes migration, proliferation and BDNF release in human Schwann cell-like differentiated adipose stem cells. Mol Cell Endocrinol 2021; 531:111298. [PMID: 33930460 DOI: 10.1016/j.mce.2021.111298] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 04/20/2021] [Accepted: 04/21/2021] [Indexed: 12/26/2022]
Abstract
Membrane progesterone receptors (mPRs) were recently found to be present and active in Schwann cells, where they have a potentially pro-regenerative activity. In this study, we investigated the role of mPRs in human adipose stem cells (ASC) differentiated into Schwann cell-like cells (SCL-ASC), which represent a promising alternative to Schwann cells for peripheral nerve regeneration. Our findings show that mPRs are present both in undifferentiated and differentiated ASC, and that the differentiation protocol upregulates mPR expression. Activation of mPRα promoted cell migration and differentiation in SCL-ASC, alongside with changes in cell morphology and mPRα localization. Moreover, it increased the expression and release of BDNF, a neurotrophin with pro-regenerative activity. Further analysis showed that Src and PI3K-Akt signaling pathways are involved in mPRα activity in SCL-ASC. These findings suggest that mPRα could play a pro-regenerative role in SCL-ASC and may be a promising target for the promotion of peripheral nerve regeneration.
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Affiliation(s)
- Luca F Castelnovo
- Marine Science Institute, The University of Texas at Austin, 750 Channel View Drive, Port Aransas (TX), 78373, United States.
| | - Peter Thomas
- Marine Science Institute, The University of Texas at Austin, 750 Channel View Drive, Port Aransas (TX), 78373, United States
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34
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D'Souza A, Dave KM, Stetler RA, S. Manickam D. Targeting the blood-brain barrier for the delivery of stroke therapies. Adv Drug Deliv Rev 2021; 171:332-351. [PMID: 33497734 DOI: 10.1016/j.addr.2021.01.015] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 01/12/2021] [Accepted: 01/14/2021] [Indexed: 02/06/2023]
Abstract
A variety of neuroprotectants have shown promise in treating ischemic stroke, yet their delivery to the brain remains a challenge. The endothelial cells lining the blood-brain barrier (BBB) are emerging as a dynamic factor in the response to neurological injury and disease, and the endothelial-neuronal matrix coupling is fundamentally neuroprotective. In this review, we discuss approaches that target the endothelium for drug delivery both across the BBB and to the BBB as a viable strategy to facilitate neuroprotective effects, using the example of brain-derived neurotrophic factor (BDNF). We highlight the advances in cell-derived extracellular vesicles (EVs) used for CNS targeting and drug delivery. We also discuss the potential of engineered EVs as a potent strategy to deliver BDNF or other drug candidates to the ischemic brain, particularly when coupled with internal components like mitochondria that may increase cellular energetics in injured endothelial cells.
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35
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Singh A, Shiekh PA, Qayoom I, Srivastava E, Kumar A. Evaluation of polymeric aligned NGCs and exosomes in nerve injury models in diabetic peripheral neuropathy condition. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2020.110256] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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36
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Wang Y, Wang C, Li K, Song X, Yan X, Yu L, He Z. Recent advances of nanomedicine-based strategies in diabetes and complications management: Diagnostics, monitoring, and therapeutics. J Control Release 2021; 330:618-640. [PMID: 33417985 DOI: 10.1016/j.jconrel.2021.01.002] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 12/31/2020] [Accepted: 01/02/2021] [Indexed: 02/07/2023]
Abstract
Diabetes mellitus (DM) is a metabolic disorder characterized by the presence of chronic hyperglycemia driven by insulin deficiency or resistance, imposing a significant global burden affecting 463 million people worldwide in 2019. This review has comprehensively summarized the application of nanomedicine with accurate, patient-friendly, real-time properties in the field of diabetes diagnosis and monitoring, and emphatically discussed the unique potential of various nanomedicine carriers (e.g., polymeric nanoparticles, liposomes, micelles, microparticles, microneedles, etc.) in the management of diabetes and complications. Novel delivery systems have been developed with improved pharmacokinetics and pharmacodynamics, excellent drug biodistribution, biocompatibility, and therapeutic efficacy, long-term action safety, as well as the improved production methods. Furthermore, the effective nanomedicine for the treatment of several major diabetic complications with significantly improved life qualities of diabetic patients were discussed in detail. Going through the literature review, several critical issues of the nanomedicine-based strategies applications need to be addressed such as stabilities and long-term safety effects in vivo, the deficiency of standard for formulation administration, feasibility of scale-up, etc. Overall, the review provides an insight into the design, advantages and limitations of novel nanomedicine application in the diagnostics, monitoring, and therapeutics of DM.
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Affiliation(s)
- Yanan Wang
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China
| | - Chunhui Wang
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China
| | - Keyang Li
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China
| | - Xinyu Song
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China
| | - Xuefeng Yan
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China
| | - Liangmin Yu
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China.
| | - Zhiyu He
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China.
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Moradi SZ, Jalili F, Farhadian N, Joshi T, Wang M, Zou L, Cao H, Farzaei MH, Xiao J. Polyphenols and neurodegenerative diseases: focus on neuronal regeneration. Crit Rev Food Sci Nutr 2021; 62:3421-3436. [PMID: 33393375 DOI: 10.1080/10408398.2020.1865870] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Neurodegenerative diseases are questions that modern therapeutics can still not answer. Great milestones have been achieved regarding liver, heart, skin, kidney and other types of organ transplantations but the greatest drawback is the adequate supply of these organs. Furthermore, there are still a few options available in the treatment of neurodegenerative diseases. With great advances in medical science, many health problems faced by humans have been solved, and their quality of life is improving. Moreover, diseases that were incurable in the past have now been fully cured. Still, the area of regenerative medicine, especially concerning neuronal regeneration, is in its infancy. Presently allopathic drugs, surgical procedures, organ transplantation, stem cell therapy forms the core of regenerative therapy. However, many times, the currently used therapies cannot completely cure damaged organs and neurodegenerative diseases. The current review focuses on the concepts of regeneration, hurdles faced in the path of regenerative therapy, neurodegenerative diseases and the idea of using peptides, cytokines, tissue engineering, genetic engineering, advanced stem cell therapy, and polyphenolic phytochemicals to cure damaged tissues and neurodegenerative diseases.
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Affiliation(s)
- Seyed Zachariah Moradi
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Faramarz Jalili
- Students Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Negin Farhadian
- Substance Abuse Prevention Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Tanuj Joshi
- Department of Pharmaceutical Sciences, Kumaun University (Nainital), Nainital, India
| | - Mingfu Wang
- School of Biological Sciences, The University of Hong Kong, Hong Kong, Hong Kong
| | - Liang Zou
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, Chengdu University, Chengdu, China
| | - Hui Cao
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang, China
| | - Mohammad Hosein Farzaei
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Jianbo Xiao
- Institute of Food Safety and Nutrition, Jinan University, Guangzhou, China.,International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang, China
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38
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An J, Zhang X, Jia K, Zhang C, Zhu L, Cheng M, Li F, Zhao S, Hao J. Trichostatin A increases BDNF protein expression by improving XBP-1s/ATF6/GRP78 axis in Schwann cells of diabetic peripheral neuropathy. Biomed Pharmacother 2021; 133:111062. [PMID: 33378965 DOI: 10.1016/j.biopha.2020.111062] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 11/14/2020] [Accepted: 11/20/2020] [Indexed: 02/07/2023] Open
Abstract
Diabetic peripheral neuropathy (DPN) is the common complication of diabetes mellitus. Histone deacetylase (HDAC) inhibitor trichostatin A (TSA) is reported to ameliorate the peripheral nerves degeneration of DPN. However, the exact mechanism is still not well elucidated. Here, we first revealed that TSA promoted nerve conduction and brain derived neurotrophic factor (BDNF) expression in the sciatic nerves of diabetic mice. In line, TSA also reversed high glucose-reduced mature BDNF expression in vitro cultured rat Schwann cells (RSC96). Then unexpectedly, the downstream targets of TSA HDAC1 and HDAC5 were not involved in TSA-improved BDNF expression. Furthermore, unfolded protein response (UPR) chaperone GRP78 was revealed to be downregulated with high glucose stimulation in RSC96 cells, which was avoided with TSA treatment. Also, GRP78 upregulation mediated TSA-improved mature BDNF expression in high glucose-cultured RSC96 cells by binding with BDNF. As well, TSA treatment enhanced the binding of GRP78 with BDNF in RSC96 cells. Again, UPR-associated transcription factors XBP-1s and ATF6 were involved in TSA-increased GRP78 expression in high glucose-stimulated RSC96 cells. Finally, conditioned medium from high glucose-cultured RSC96 cells delayed neuron SH-SY5Y differentiation and that from TSA-treated high glucose-cultured RSC96 cells promoted SH-SY5Y cell differentiation. Taken together, our findings suggested that TSA increased BDNF expression to ameliorate DPN by improving XBP-1s/ATF6/GRP78 axis in Schwann cells.
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Affiliation(s)
- Jiahui An
- Department of Pathology, Hebei Medical University, Shijiazhuang, China; Center of Metabolic Diseases and Cancer Research, Institute of Medical and Health Science of Hebei Medical University, Shijiazhuang, China
| | - Xiang Zhang
- Department of Pathology, Hebei Medical University, Shijiazhuang, China; Center of Metabolic Diseases and Cancer Research, Institute of Medical and Health Science of Hebei Medical University, Shijiazhuang, China
| | - Keqi Jia
- Department of Pathology, Hebei Medical University, Shijiazhuang, China; Center of Metabolic Diseases and Cancer Research, Institute of Medical and Health Science of Hebei Medical University, Shijiazhuang, China
| | - Cuihong Zhang
- Department of Radiation Oncology, Bethune International Peace Hospital, Shijiazhuang, China
| | - Lin Zhu
- Department of Electromyogram, The Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Meijuan Cheng
- Department of Nephrology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Fan Li
- Department of Pathology, Hebei Medical University, Shijiazhuang, China; Center of Metabolic Diseases and Cancer Research, Institute of Medical and Health Science of Hebei Medical University, Shijiazhuang, China
| | - Song Zhao
- Department of Pathology, Hebei Medical University, Shijiazhuang, China; Center of Metabolic Diseases and Cancer Research, Institute of Medical and Health Science of Hebei Medical University, Shijiazhuang, China.
| | - Jun Hao
- Department of Pathology, Hebei Medical University, Shijiazhuang, China; Center of Metabolic Diseases and Cancer Research, Institute of Medical and Health Science of Hebei Medical University, Shijiazhuang, China.
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Xiong LL, Chen J, Du RL, Liu J, Chen YJ, Hawwas MA, Zhou XF, Wang TH, Yang SJ, Bai X. Brain-derived neurotrophic factor and its related enzymes and receptors play important roles after hypoxic-ischemic brain damage. Neural Regen Res 2021; 16:1453-1459. [PMID: 33433458 PMCID: PMC8323702 DOI: 10.4103/1673-5374.303033] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Brain-derived neurotrophic factor (BDNF) regulates many neurological functions and plays a vital role during the recovery from central nervous system injuries. However, the changes in BDNF expression and associated factors following hypoxia-ischemia induced neonatal brain damage, and the significance of these changes are not fully understood. In the present study, a rat model of hypoxic-ischemic brain damage was established through the occlusion of the right common carotid artery, followed by 2 hours in a hypoxic-ischemic environment. Rats with hypoxic-ischemic brain damage presented deficits in both sensory and motor functions, and obvious pathological changes could be detected in brain tissues. The mRNA expression levels of BDNF and its processing enzymes and receptors (Furin, matrix metallopeptidase 9, tissue-type plasminogen activator, tyrosine Kinase receptor B, plasminogen activator inhibitor-1, and Sortilin) were upregulated in the ipsilateral hippocampus and cerebral cortex 6 hours after injury; however, the expression levels of these mRNAs were found to be downregulated in the contralateral hippocampus and cerebral cortex. These findings suggest that BDNF and its processing enzymes and receptors may play important roles in the pathogenesis and recovery from neonatal hypoxic-ischemic brain damage. This study was approved by the Animal Ethics Committee of the University of South Australia (approval No. U12-18) on July 30, 2018.
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Affiliation(s)
- Liu-Lin Xiong
- National Traditional Chinese Medicine Clinical Research Base and Western Medicine Translational Medicine Research Center, Department of Cardiovascular Disease, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan Province, China; Cinical and Health Sciences, University of South Australia, Adelaide, Australia
| | - Jie Chen
- National Traditional Chinese Medicine Clinical Research Base and Western Medicine Translational Medicine Research Center, Department of Cardiovascular Disease, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
| | - Ruo-Lan Du
- Animal Zoology Department, Institute of Neuroscience, Kunming Medical University, Kunming, Yunnan Province, China
| | - Jia Liu
- Animal Zoology Department, Institute of Neuroscience, Kunming Medical University, Kunming, Yunnan Province, China
| | - Yan-Jun Chen
- Institute of Neurological Disease, Translational Neuroscience Center, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Mohammed Al Hawwas
- Cinical and Health Sciences, University of South Australia, Adelaide, Australia
| | - Xin-Fu Zhou
- Cinical and Health Sciences, University of South Australia, Adelaide, Australia
| | - Ting-Hua Wang
- Animal Zoology Department, Institute of Neuroscience, Kunming Medical University, Kunming, Yunnan Province; Institute of Neurological Disease, Translational Neuroscience Center, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Si-Jin Yang
- National Traditional Chinese Medicine Clinical Research Base and Western Medicine Translational Medicine Research Center, Department of Cardiovascular Disease, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
| | - Xue Bai
- National Traditional Chinese Medicine Clinical Research Base and Western Medicine Translational Medicine Research Center, Department of Cardiovascular Disease, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
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40
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Miranda-Lourenço C, Ribeiro-Rodrigues L, Fonseca-Gomes J, Tanqueiro SR, Belo RF, Ferreira CB, Rei N, Ferreira-Manso M, de Almeida-Borlido C, Costa-Coelho T, Freitas CF, Zavalko S, Mouro FM, Sebastião AM, Xapelli S, Rodrigues TM, Diógenes MJ. Challenges of BDNF-based therapies: From common to rare diseases. Pharmacol Res 2020; 162:105281. [PMID: 33161136 DOI: 10.1016/j.phrs.2020.105281] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 10/20/2020] [Accepted: 10/22/2020] [Indexed: 12/11/2022]
Abstract
Neurotrophins are a well-known family of neurotrophic factors that play an important role both in the central and peripheral nervous systems, where they modulate neuronal survival, development, function and plasticity. Brain-derived neurotrophic factor (BDNF) possesses diverse biological functions which are mediated by the activation of two main classes of receptors, the tropomyosin-related kinase (Trk) B and the p75 neurotrophin receptor (p75NTR). The therapeutic potential of BDNF has drawn attention since dysregulation of its signalling cascades has been suggested to underlie the pathogenesis of both common and rare diseases. Multiple strategies targeting this neurotrophin have been tested; most have found obstacles that ultimately hampered their effectiveness. This review focuses on the involvement of BDNF and its receptors in the pathophysiology of Alzheimer's disease (AD), Amyotrophic Lateral Sclerosis (ALS) and Rett Syndrome (RTT). We describe the known mechanisms leading to the impairment of BDNF/TrkB signalling in these disorders. Such mechanistic insight highlights how BDNF signalling compromise can take various shapes, nearly disease-specific. Therefore, BDNF-based therapeutic strategies must be specifically tailored and are more likely to succeed if a combination of resources is employed.
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Affiliation(s)
- Catarina Miranda-Lourenço
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, 1649-028 Lisboa, Portugal; Instituto de Medicina Molecular João Lobo Antunes, Universidade de Lisboa, 1649-028 Lisboa, Portugal
| | - Leonor Ribeiro-Rodrigues
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, 1649-028 Lisboa, Portugal; Instituto de Medicina Molecular João Lobo Antunes, Universidade de Lisboa, 1649-028 Lisboa, Portugal
| | - João Fonseca-Gomes
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, 1649-028 Lisboa, Portugal; Instituto de Medicina Molecular João Lobo Antunes, Universidade de Lisboa, 1649-028 Lisboa, Portugal
| | - Sara R Tanqueiro
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, 1649-028 Lisboa, Portugal; Instituto de Medicina Molecular João Lobo Antunes, Universidade de Lisboa, 1649-028 Lisboa, Portugal
| | - Rita F Belo
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, 1649-028 Lisboa, Portugal; Instituto de Medicina Molecular João Lobo Antunes, Universidade de Lisboa, 1649-028 Lisboa, Portugal
| | - Catarina B Ferreira
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, 1649-028 Lisboa, Portugal; Instituto de Medicina Molecular João Lobo Antunes, Universidade de Lisboa, 1649-028 Lisboa, Portugal
| | - Nádia Rei
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, 1649-028 Lisboa, Portugal; Instituto de Medicina Molecular João Lobo Antunes, Universidade de Lisboa, 1649-028 Lisboa, Portugal
| | - Mafalda Ferreira-Manso
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, 1649-028 Lisboa, Portugal; Instituto de Medicina Molecular João Lobo Antunes, Universidade de Lisboa, 1649-028 Lisboa, Portugal
| | - Carolina de Almeida-Borlido
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, 1649-028 Lisboa, Portugal; Instituto de Medicina Molecular João Lobo Antunes, Universidade de Lisboa, 1649-028 Lisboa, Portugal
| | - Tiago Costa-Coelho
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, 1649-028 Lisboa, Portugal; Instituto de Medicina Molecular João Lobo Antunes, Universidade de Lisboa, 1649-028 Lisboa, Portugal
| | - Céline Felicidade Freitas
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, 1649-028 Lisboa, Portugal; Instituto de Medicina Molecular João Lobo Antunes, Universidade de Lisboa, 1649-028 Lisboa, Portugal
| | - Svitlana Zavalko
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, 1649-028 Lisboa, Portugal; Instituto de Medicina Molecular João Lobo Antunes, Universidade de Lisboa, 1649-028 Lisboa, Portugal
| | - Francisco M Mouro
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, 1649-028 Lisboa, Portugal; Instituto de Medicina Molecular João Lobo Antunes, Universidade de Lisboa, 1649-028 Lisboa, Portugal
| | - Ana M Sebastião
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, 1649-028 Lisboa, Portugal; Instituto de Medicina Molecular João Lobo Antunes, Universidade de Lisboa, 1649-028 Lisboa, Portugal
| | - Sara Xapelli
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, 1649-028 Lisboa, Portugal; Instituto de Medicina Molecular João Lobo Antunes, Universidade de Lisboa, 1649-028 Lisboa, Portugal
| | - Tiago M Rodrigues
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, 1649-028 Lisboa, Portugal; Instituto de Medicina Molecular João Lobo Antunes, Universidade de Lisboa, 1649-028 Lisboa, Portugal; Institute of Molecular and Clinical Ophthalmology Basel (IOB), Mittlere Strasse 91, 4031 Basel, Switzerland
| | - Maria J Diógenes
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, 1649-028 Lisboa, Portugal; Instituto de Medicina Molecular João Lobo Antunes, Universidade de Lisboa, 1649-028 Lisboa, Portugal.
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41
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Liu YP, Luo ZR, Wang C, Cai H, Zhao TT, Li H, Shao SJ, Guo HD. Electroacupuncture Promoted Nerve Repair After Peripheral Nerve Injury by Regulating miR-1b and Its Target Brain-Derived Neurotrophic Factor. Front Neurosci 2020; 14:525144. [PMID: 33132818 PMCID: PMC7550428 DOI: 10.3389/fnins.2020.525144] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Accepted: 08/25/2020] [Indexed: 12/17/2022] Open
Abstract
Growing evidence indicates that electroacupuncture (EA) has a definite effect on the treatment of peripheral nerve injury (PNI), but its mechanism is not completely clear. MicroRNAs (miRNAs) are involved in the regulation of a variety of biological processes, and EA may enhance PNI repair by regulating miRNAs. In this study, the rat sciatic nerve injury model was treated with EA for 4 weeks. Acupoints Huantiao (GB30) and Zusanli (ST36) were stimulated by EA 20 min once a day, 6 days a week for 4 weeks. We found that EA treatment downregulated the expression of miR-1b in the local injured nerve. In vitro experiments showed that overexpression of miR-1b inhibited the expression of brain-derived neurotrophic factor (BDNF) in rat Schwann cell (SC) line, while BDNF knockdown inhibited the proliferation, migration, and promoted apoptosis of SCs. Subsequently, the rat model of sciatic nerve injury was treated by EA treatment and injection of agomir-1b or antagomir-1b. The nerve conduction velocity ratio (NCV), sciatic functional index (SFI), and S100 immunofluorescence staining were examined and showed that compared with the model group, NCV, SFI, proliferation of SC, and expression of BDNF in the injured nerves of rats treated with EA or EA + anti-miR-1b were elevated, while EA + miR-1b was reduced, indicating that EA promoted sciatic nerve function recovery and SC proliferation through downregulating miR-1b. To summarize, EA may promote the proliferation, migration of SC, and nerve repair after PNI by regulating miR-1b, which targets BDNF.
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Affiliation(s)
- Yu-Pu Liu
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zhi-Rong Luo
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Chang Wang
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hao Cai
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Tian-Tian Zhao
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Han Li
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Shui-Jin Shao
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hai-Dong Guo
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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42
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Dąbkowska M, Łuczkowska K, Rogińska D, Sobuś A, Wasilewska M, Ulańczyk Z, Machaliński B. Novel design of (PEG-ylated)PAMAM-based nanoparticles for sustained delivery of BDNF to neurotoxin-injured differentiated neuroblastoma cells. J Nanobiotechnology 2020; 18:120. [PMID: 32867843 PMCID: PMC7457365 DOI: 10.1186/s12951-020-00673-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Accepted: 08/07/2020] [Indexed: 12/11/2022] Open
Abstract
Brain-derived neurotrophic factor (BDNF) is essential for the development and function of human neurons, therefore it is a promising target for neurodegenerative disorders treatment. Here, we studied BDNF-based electrostatic complex with dendrimer nanoparticles encapsulated in polyethylene glycol (PEG) in neurotoxin-treated, differentiated neuroblastoma SH-SY5Y cells, a model of neurodegenerative mechanisms. PEG layer was adsorbed at dendrimer-protein core nanoparticles to decrease their cellular uptake and to reduce BDNF-other proteins interactions for a prolonged time. Cytotoxicity and confocal microscopy analysis revealed PEG-ylated BDNF-dendrimer nanoparticles can be used for continuous neurotrophic factor delivery to the neurotoxin-treated cells over 24 h without toxic effect. We offer a reliable electrostatic route for efficient encapsulation and controlled transport of fragile therapeutic proteins without any covalent cross-linker; this could be considered as a safe drug delivery system. Understanding the polyvalent BDNF interactions with dendrimer core nanoparticles offers new possibilities for design of well-ordered protein drug delivery systems.
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Affiliation(s)
- Maria Dąbkowska
- Department of Medical Chemistry, Pomeranian Medical University, Rybacka 1, 70-204, Szczecin, Poland.
| | - Karolina Łuczkowska
- Department of General Pathology, Pomeranian Medical University, Rybacka 1, 70-204, Szczecin, Poland
| | - Dorota Rogińska
- Department of General Pathology, Pomeranian Medical University, Rybacka 1, 70-204, Szczecin, Poland
| | - Anna Sobuś
- Department of General Pathology, Pomeranian Medical University, Rybacka 1, 70-204, Szczecin, Poland
| | - Monika Wasilewska
- Jerzy Haber Institute of Catalysis and Surface Chemistry Polish Academy of Sciences, Niezapominajek 8, 30-239, Cracow, Poland
| | - Zofia Ulańczyk
- Department of General Pathology, Pomeranian Medical University, Rybacka 1, 70-204, Szczecin, Poland
| | - Bogusław Machaliński
- Department of General Pathology, Pomeranian Medical University, Rybacka 1, 70-204, Szczecin, Poland.
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Zhang Q, Wu P, Chen F, Zhao Y, Li Y, He X, Huselstein C, Ye Q, Tong Z, Chen Y. Brain Derived Neurotrophic Factor and Glial Cell Line-Derived Neurotrophic Factor-Transfected Bone Mesenchymal Stem Cells for the Repair of Periphery Nerve Injury. Front Bioeng Biotechnol 2020; 8:874. [PMID: 32850732 PMCID: PMC7406647 DOI: 10.3389/fbioe.2020.00874] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 07/08/2020] [Indexed: 12/17/2022] Open
Abstract
Peripheral nerve injury is a common clinical neurological disease. In our previous study, highly oriented poly (L-lactic acid) (PLLA)/soy protein isolate (SPI) nanofiber nerve conduits were constructed and exhibited a certain repair capacity for peripheral nerve injury. In order to further improve their nerve repairing efficiency, the bone mesenchymal stem cells (BMSCs) overexpressing brain derived neurotrophic factor (BDNF) and glial cell line-derived neurotrophic factor (GDNF) were introduced into the conduits as seed cells and then were used to repair the 10-mm sciatic nerve defects in rats. The nerve repair efficiency of the functional nerve conduits was evaluated by gait experiment, electrophysiological test, and a series of assays such as hemotoxylin-eosin (HE) staining, immunofluorescence staining, toluidine blue (TB) staining, transmission electron microscopy (TEM) observation of regenerated nerve and Masson's trichrome staining of gastrocnemius muscle. The results showed that the conduits containing BMSCs overexpressing BDNF and GDNF double-factors group had better nerve repairing efficiency than blank BMSCs and single BDNF or GDNF factor groups, and superior to autografts group in some aspects. These data demonstrated that BDNF and GDNF produced by BMSCs could synergistically promote peripheral nerve repair. This study shed a new light on the conduits and stem cells-based peripheral nerve repair.
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Affiliation(s)
- Qiang Zhang
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan, China
- Hangzhou Singclean Medical Products Co., Ltd., Hangzhou, China
| | - Ping Wu
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan, China
| | - Feixiang Chen
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan, China
| | - Yanan Zhao
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan, China
| | - Yinping Li
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan, China
| | - Xiaohua He
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan, China
| | - Céline Huselstein
- CNRS UMR 7561 and FR CNRS-INSERM 32.09, Nancy University, Vandæuvre-lès-Nancy, France
| | - Qifa Ye
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, Wuhan, China
- Hubei Engineering Center of Natural Polymers-Based Medical Materials, Wuhan University, Wuhan, China
| | - Zan Tong
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan, China
| | - Yun Chen
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan, China
- Hubei Engineering Center of Natural Polymers-Based Medical Materials, Wuhan University, Wuhan, China
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Wu P, Zhao Y, Chen F, Xiao A, Du Q, Dong Q, Ke M, Liang X, Zhou Q, Chen Y. Conductive Hydroxyethyl Cellulose/Soy Protein Isolate/Polyaniline Conduits for Enhancing Peripheral Nerve Regeneration via Electrical Stimulation. Front Bioeng Biotechnol 2020; 8:709. [PMID: 32719783 PMCID: PMC7347754 DOI: 10.3389/fbioe.2020.00709] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 06/08/2020] [Indexed: 12/15/2022] Open
Abstract
Nerve regeneration remains a challenge to the treatment of peripheral nerve injury. Electrical stimulation (ES) is an assistant treatment to enhance recovery from peripheral nerve injury. A conductive nerve guide conduit was prepared from hydroxyethyl cellulose (HEC)/soy protein isolate (SPI)/PANI sponge (HSPS) and then the HSPS conduits were used to repair 10 mm sciatic nerve injury in rat model with or without ES, using HSPS+brain-derived neurotrophic factor (BDNF) and autografts as controls. The nerve repairing capacities were evaluated by animal experiments of behavioristics, electrophysiology, toluidine blue staining, and transmission electron microscopy (TEM) in the regenerated nerves. The results revealed that the nerve regeneration efficiency of HSPS conduits with ES (HSPS+ES) group was the best among the conduit groups but slightly lower than that of autografts group. HSPS+ES group even exhibited notably increased in the BDNF expression of regenerated nerve tissues, which was also confirmed through in vitro experiments that exogenous BDNF could promote Schwann cells proliferation and MBP protein expression. As a result, this work provided a strategy to repair nerve defect using conductive HSPS as nerve guide conduit and using ES as an extrinsic physical cue to promote the expression of endogenous BDNF.
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Affiliation(s)
- Ping Wu
- Department of Biomedical Engineering, School of Basic Medical Sciences, Wuhan University, Wuhan, China
- Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan, China
| | - Yanan Zhao
- Department of Biomedical Engineering, School of Basic Medical Sciences, Wuhan University, Wuhan, China
- Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan, China
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Feixiang Chen
- Department of Biomedical Engineering, School of Basic Medical Sciences, Wuhan University, Wuhan, China
- Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan, China
| | - Ao Xiao
- Department of Biomedical Engineering, School of Basic Medical Sciences, Wuhan University, Wuhan, China
- Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan, China
| | - Qiaoyue Du
- Department of Biomedical Engineering, School of Basic Medical Sciences, Wuhan University, Wuhan, China
- Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan, China
| | - Qi Dong
- Department of Biomedical Engineering, School of Basic Medical Sciences, Wuhan University, Wuhan, China
- Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan, China
| | - Meifang Ke
- Department of Biomedical Engineering, School of Basic Medical Sciences, Wuhan University, Wuhan, China
- Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan, China
| | - Xiao Liang
- Department of Biomedical Engineering, School of Basic Medical Sciences, Wuhan University, Wuhan, China
- Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan, China
| | - Qing Zhou
- Department of Ultrasound Imaging, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yun Chen
- Department of Biomedical Engineering, School of Basic Medical Sciences, Wuhan University, Wuhan, China
- Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan, China
- Hubei Engineering Center of Natural Polymers-Based Medical Materials, Wuhan University, Wuhan, China
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Exosome-mimetics as an engineered gene-activated matrix induces in-situ vascularized osteogenesis. Biomaterials 2020; 247:119985. [PMID: 32272301 DOI: 10.1016/j.biomaterials.2020.119985] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2019] [Revised: 03/16/2020] [Accepted: 03/17/2020] [Indexed: 12/26/2022]
Abstract
Exosome has been considered as an instructive supplement between complicated cell therapy and single gene/protein drug treatment in the field of regenerative medicine due to its excellent biocompatibility, efficient cellular internalization and large loading capacity. Nevertheless, one major issue that extremely restricts the potential application as gene/drug vehicles is the low yield of nanoscale exosome. Moreover, the intravenous injection of targeted exosomes may cause the obstruction of blood-rich organs. Thus, herein we fabricated a specific exosome-mimetics (EMs) that could come true mass and fast production exhibited the similar size, morphology and membrane protein markers in comparison with conventional exosomes. To bypass the risk of intravenous injection and improve the efficiency of topical therapy, we simultaneously applied the engineered EMs to design a gene-activated matrix (GAM) that could be locally released by encapsulating the plasmid of vascular endothelial growth factor (VEGF) and flexibly binding onto a core-shell nanofiber film. Our findings showed that the well-designed engineered EMs-mediated GAM was able to sustainably deliver VEGF gene and significantly enhance the vascularized osteogenesis in vivo. The current work can not only consolidate the applied foundation of EMs through the breakthrough of high yield, but also provide a local and effective delivery of engineered EMs for the in-situ therapy.
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Long non-coding RNA MALAT1 promotes the proliferation and migration of Schwann cells by elevating BDNF through sponging miR-129-5p. Exp Cell Res 2020; 390:111937. [PMID: 32135165 DOI: 10.1016/j.yexcr.2020.111937] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 02/13/2020] [Accepted: 03/01/2020] [Indexed: 12/23/2022]
Abstract
The proliferation and migration of Schwann cells contribute to nerve regeneration after peripheral nerve injury (PNI). In recent years, roles of long non-coding RNAs (lncRNAs) in PNI have been gradually uncovered. However, a highly conserved nuclear lncRNA Metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) in peripheral nerve regeneration remains enigmatic. MALAT1 expression in injured sciatic nerve of mice with PNI was measured by real-time PCR. The proliferative and migrative abilities of Schwann cells were determined after upregulating or downregulating Malat1. The relationship among MALAT1, miR-129-5p, and BDNF was measured. In this study, we found elevated MALAT1 expression in injured sciatic nerve. MALAT1 upregulation in Schwann cells promoted cell proliferation and migration. However, downregulation of MALAT1 caused the suppression of Schwann cell proliferation and migration. Mechanistically, we discovered MALAT1 negatively regulated miR-129-5p through directly binding. Brain-derived neurotrophic factor (BDNF) was a target of miR-129-5p. MALAT1 positively modulated BDNF expression and secretion via decreasing miR-129-5p. Downregulation of BDNF rescued the influences of MALAT1 overexpression on Schwann cell proliferation and migration. In conclusion, MALAT1 was enhanced after PNI and it promoted the proliferation and migration of Schwann cells through sponging miR-129-5p to increase BDNF expression and secretion. This study proved that MALAT1 may be a vital regulator in peripheral nerve regeneration.
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Spencer AP, Torrado M, Custódio B, Silva-Reis SC, Santos SD, Leiro V, Pêgo AP. Breaking Barriers: Bioinspired Strategies for Targeted Neuronal Delivery to the Central Nervous System. Pharmaceutics 2020; 12:E192. [PMID: 32102252 PMCID: PMC7076453 DOI: 10.3390/pharmaceutics12020192] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 02/01/2020] [Accepted: 02/19/2020] [Indexed: 12/23/2022] Open
Abstract
Central nervous system (CNS) disorders encompass a vast spectrum of pathological conditions and represent a growing concern worldwide. Despite the high social and clinical interest in trying to solve these pathologies, there are many challenges to bridge in order to achieve an effective therapy. One of the main obstacles to advancements in this field that has hampered many of the therapeutic strategies proposed to date is the presence of the CNS barriers that restrict the access to the brain. However, adequate brain biodistribution and neuronal cells specific accumulation in the targeted site also represent major hurdles to the attainment of a successful CNS treatment. Over the last few years, nanotechnology has taken a step forward towards the development of therapeutics in neurologic diseases and different approaches have been developed to surpass these obstacles. The versatility of the designed nanocarriers in terms of physical and chemical properties, and the possibility to functionalize them with specific moieties, have resulted in improved neurotargeted delivery profiles. With the concomitant progress in biology research, many of these strategies have been inspired by nature and have taken advantage of physiological processes to achieve brain delivery. Here, the different nanosystems and targeting moieties used to achieve a neuronal delivery reported in the open literature are comprehensively reviewed and critically discussed, with emphasis on the most recent bioinspired advances in the field. Finally, we express our view on the paramount challenges in targeted neuronal delivery that need to be overcome for these promising therapeutics to move from the bench to the bedside.
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Affiliation(s)
- Ana P. Spencer
- i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal; (A.P.S.); (M.T.); (B.C.); (S.C.S.-R.); (S.D.S.); (V.L.)
- INEB—Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
- FEUP—Faculdade de Engenharia, Universidade do Porto, 4200-465 Porto, Portugal
| | - Marília Torrado
- i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal; (A.P.S.); (M.T.); (B.C.); (S.C.S.-R.); (S.D.S.); (V.L.)
- INEB—Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
- ICBAS—Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, 4050-313 Porto, Portugal
| | - Beatriz Custódio
- i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal; (A.P.S.); (M.T.); (B.C.); (S.C.S.-R.); (S.D.S.); (V.L.)
- INEB—Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
- ICBAS—Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, 4050-313 Porto, Portugal
| | - Sara C. Silva-Reis
- i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal; (A.P.S.); (M.T.); (B.C.); (S.C.S.-R.); (S.D.S.); (V.L.)
- INEB—Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
| | - Sofia D. Santos
- i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal; (A.P.S.); (M.T.); (B.C.); (S.C.S.-R.); (S.D.S.); (V.L.)
- INEB—Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
| | - Victoria Leiro
- i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal; (A.P.S.); (M.T.); (B.C.); (S.C.S.-R.); (S.D.S.); (V.L.)
- INEB—Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
| | - Ana P. Pêgo
- i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal; (A.P.S.); (M.T.); (B.C.); (S.C.S.-R.); (S.D.S.); (V.L.)
- INEB—Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
- FEUP—Faculdade de Engenharia, Universidade do Porto, 4200-465 Porto, Portugal
- ICBAS—Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, 4050-313 Porto, Portugal
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Seppälä J, van Bochove B, Lendlein A. Developing Advanced Functional Polymers for Biomedical Applications. Biomacromolecules 2020; 21:273-275. [DOI: 10.1021/acs.biomac.9b01701] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Jukka Seppälä
- Department of Chemical and Metallurgical Engineering, School of Chemical Engineering, Aalto University, Espoo, Finland
| | - Bas van Bochove
- Department of Chemical and Metallurgical Engineering, School of Chemical Engineering, Aalto University, Espoo, Finland
| | - Andreas Lendlein
- Institute of Biomedical Science and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, Teltow, Germany
- Institute of Chemistry, University of Potsdam, Potsdam, Germany
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Liu HY, Wei HJ, Wu L, Liu SM, Tang YY, Zou W, Wang CY, Zhang P, Tang XQ. BDNF-TrkB pathway mediates antidepressant-like roles of H 2 S in diabetic rats via promoting hippocampal autophagy. Clin Exp Pharmacol Physiol 2019; 47:302-312. [PMID: 31660632 DOI: 10.1111/1440-1681.13201] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 09/14/2019] [Accepted: 10/24/2019] [Indexed: 11/28/2022]
Abstract
Hydrogen sulfide (H2 S) plays antidepressant-like roles in diabetic rats. However, the underlying mechanisms remain unclear. Brain-derived neurotropic factor (BDNF), a neurotrophic factor, plays important regulatory roles in depression by its high-affinity tropomysin-related kinase B (TrkB) receptor. Autophagy also is implicated in modulation of depression. Previous work confirmed the modulatory roles of H2 S in BDNF protein expression and autophagy. Thus, in this study, we explored whether the BDNF-TrkB pathway mediates the antidepressant-like effects of H2 S in diabetic rats and whether this process is achieved via promoting hippocampal autophagy. We demonstrated that H2 S upregulated the expressions of BDNF and p-TrkB proteins in the hippocampus of streptozotocin (STZ)-induced diabetic rats. K252a (an inhibitor of BDNF-TrkB pathway) reversed the antidepressant-like roles of H2 S, as evidenced by the tail suspension, forced swimming, novelty suppressed feeding, and elevated plus-maze tests. Furthermore, K252a abolished H2 S-promoted hippocampal autophagy in diabetic rats, as evidenced by a decrease in the number of autolysosome, downregulation of Beclin-1 (a regulator of autophagy in the early stage of the formation of autophagosomal membranes and its level is positively correlated with autophagic activity) expression, and upregulation of P62 (a substrate of autophagic degradation and its level is inversely correlated with autophagic activity) expression, in the hippocampus of rats co-treated with NaHS and STZ. Taken together, these data indicated that the BDNF-TrkB pathway mediates the antidepressant-like roles of H2 S in diabetic rats by enhancing hippocampal autophagy.
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Affiliation(s)
- Hai-Yao Liu
- Department of Neurology, Affiliated Nanhua Hospital, University of South China, Hengyang, China.,Institute of Neuroscience, Medical College, University of South China, Hengyang, China.,Department of Neurology, Hengyang Center Hospital, Hengyang, China
| | - Hai-Jun Wei
- Institute of Neuroscience, Medical College, University of South China, Hengyang, China.,Institute of Neurology, The First Affiliated Hospital, University of South China, Hengyang, China
| | - Lin Wu
- Department of Neurology, Affiliated Nanhua Hospital, University of South China, Hengyang, China.,Institute of Neuroscience, Medical College, University of South China, Hengyang, China
| | - Su-Mei Liu
- Department of Neurology, Affiliated Nanhua Hospital, University of South China, Hengyang, China.,Institute of Neuroscience, Medical College, University of South China, Hengyang, China
| | - Yi-Yun Tang
- Institute of Neuroscience, Medical College, University of South China, Hengyang, China
| | - Wei Zou
- Department of Neurology, Affiliated Nanhua Hospital, University of South China, Hengyang, China.,Institute of Neuroscience, Medical College, University of South China, Hengyang, China
| | - Chun-Yan Wang
- Institute of Neuroscience, Medical College, University of South China, Hengyang, China
| | - Ping Zhang
- Department of Neurology, Affiliated Nanhua Hospital, University of South China, Hengyang, China.,Institute of Neuroscience, Medical College, University of South China, Hengyang, China
| | - Xiao-Qing Tang
- Department of Neurology, Affiliated Nanhua Hospital, University of South China, Hengyang, China.,Institute of Neuroscience, Medical College, University of South China, Hengyang, China.,Institute of Neurology, The First Affiliated Hospital, University of South China, Hengyang, China
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50
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Carvalho CR, Oliveira JM, Reis RL. Modern Trends for Peripheral Nerve Repair and Regeneration: Beyond the Hollow Nerve Guidance Conduit. Front Bioeng Biotechnol 2019; 7:337. [PMID: 31824934 PMCID: PMC6882937 DOI: 10.3389/fbioe.2019.00337] [Citation(s) in RCA: 153] [Impact Index Per Article: 30.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Accepted: 10/30/2019] [Indexed: 12/13/2022] Open
Abstract
Peripheral nerve repair and regeneration remains among the greatest challenges in tissue engineering and regenerative medicine. Even though peripheral nerve injuries (PNIs) are capable of some degree of regeneration, frail recovery is seen even when the best microsurgical technique is applied. PNIs are known to be very incapacitating for the patient, due to the deprivation of motor and sensory abilities. Since there is no optimal solution for tackling this problem up to this day, the evolution in the field is constant, with innovative designs of advanced nerve guidance conduits (NGCs) being reported every day. As a basic concept, a NGC should act as a physical barrier from the external environment, concomitantly acting as physical guidance for the regenerative axons across the gap lesion. NGCs should also be able to retain the naturally released nerve growth factors secreted by the damaged nerve stumps, as well as reducing the invasion of scar tissue-forming fibroblasts to the injury site. Based on the neurobiological knowledge related to the events that succeed after a nerve injury, neuronal subsistence is subjected to the existence of an ideal environment of growth factors, hormones, cytokines, and extracellular matrix (ECM) factors. Therefore, it is known that multifunctional NGCs fabricated through combinatorial approaches are needed to improve the functional and clinical outcomes after PNIs. The present work overviews the current reports dealing with the several features that can be used to improve peripheral nerve regeneration (PNR), ranging from the simple use of hollow NGCs to tissue engineered intraluminal fillers, or to even more advanced strategies, comprising the molecular and gene therapies as well as cell-based therapies.
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Affiliation(s)
- Cristiana R. Carvalho
- 3B's Research Group, I3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Guimarães, Portugal
- ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
- The Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, Avepark, Guimarães, Portugal
| | - Joaquim M. Oliveira
- 3B's Research Group, I3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Guimarães, Portugal
- ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
- The Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, Avepark, Guimarães, Portugal
| | - Rui L. Reis
- 3B's Research Group, I3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Guimarães, Portugal
- ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
- The Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, Avepark, Guimarães, Portugal
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