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Fu XX, Qu H, Wang J, Cai HY, Jiang H, Chen HH, Han S. Novel nano-carriers with N-formylmethionyl-leucyl-phenylalanine-modified liposomes improve effects of C16-angiopoietin 1 in acute animal model of multiple sclerosis. Drug Deliv 2023; 30:2241664. [PMID: 37545034 PMCID: PMC10987045 DOI: 10.1080/10717544.2023.2241664] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 07/17/2023] [Indexed: 08/08/2023] Open
Abstract
Gradual loss of neuronal structure and function due to impaired blood-brain barrier (BBB) and neuroinflammation are important factors in multiple sclerosis (MS) progression. Our previous studies demonstrated that the C16 peptide and angiopoietin 1 (Ang-1) compound (C + A) could modulate inflammation and vascular protection in many models of MS. In this study, nanotechnology and a novel nanovector of the leukocyte chemotactic peptide N-formyl-methionyl-leucyl-phenylalanine (fMLP) were used to examine the effects of C + A on MS. The acute experimental autoimmune encephalomyelitis (EAE) model of MS was established in Lewis rats. The C + A compounds were conjugated to control nano-carriers and fMLP-nano-carriers and administered to animals by intravenous injection. The neuropathological changes in the brain cortex and spinal cord were examined using multiple approaches. The stimulation of vascular injection sites was examined using rabbits. The results showed that all C + A compounds (C + A alone, nano-carrier C + A, and fMLP-nano-carrier C + A) reduced neuronal inflammation, axonal demyelination, gliosis, neuronal apoptosis, vascular leakage, and BBB impairment induced by EAE. In addition, the C + A compounds had minimal side effects on liver and kidney functions. Furthermore, the fMLP-nano-carrier C + A compound had better effects compared to C + A alone and the nano-carrier C + A. This study indicated that the fMLP-nano-carrier C + A could attenuate inflammation-related pathological changes in EAE and may be a potential therapeutic strategy for the treatment of MS and EAE.
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Affiliation(s)
- Xiao-Xiao Fu
- Institute of Anatomy and Cell Biology, Medical College, Zhejiang University, Hangzhou, PR China
- Institute of Human Anatomy, Histology and Embryology, Basic Medical College, Zhejiang Chinese Medical University, Hangzhou, PR China
| | - Han Qu
- Institute of Anatomy and Cell Biology, Medical College, Zhejiang University, Hangzhou, PR China
| | - Jing Wang
- Department of Neurology, Sir Run Run Shaw Hospital, Medical College, Zhejiang University, Hangzhou, PR China
| | - Hua-Ying Cai
- Department of Neurology, Sir Run Run Shaw Hospital, Medical College, Zhejiang University, Hangzhou, PR China
| | - Hong Jiang
- Department of Electrophysiology, Sir Run Run Shaw Hospital, Medical College, Zhejiang University, Hangzhou, PR China
| | - Hao-Hao Chen
- Medical Molecular Biology Laboratory, School of Medicine, Jinhua Polytechnic, Jinhua, PR China
| | - Shu Han
- Institute of Anatomy and Cell Biology, Medical College, Zhejiang University, Hangzhou, PR China
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Biose IJ, Ismael S, Ouvrier B, White AL, Bix GJ. The Potential Role of Integrin Signaling in Memory and Cognitive Impairment. Biomolecules 2023; 13:biom13010108. [PMID: 36671492 PMCID: PMC9855855 DOI: 10.3390/biom13010108] [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: 12/01/2022] [Revised: 12/29/2022] [Accepted: 01/02/2023] [Indexed: 01/06/2023] Open
Abstract
Dementia currently has no cure and, due to the increased prevalence and associated economic and personal burden of this condition, current research efforts for the development of potential therapies have intensified. Recently, targeting integrins as a strategy to ameliorate dementia and other forms of cognitive impairment has begun to gain traction. Integrins are major bidirectional signaling receptors in mammalian cells, mediating various physiological processes such as cell-cell interaction and cell adhesion, and are also known to bind to the extracellular matrix. In particular, integrins play a critical role in the synaptic transmission of signals, hence their potential contribution to memory formation and significance in cognitive impairment. In this review, we describe the physiological roles that integrins play in the blood-brain barrier (BBB) and in the formation of memories. We also provide a clear overview of how integrins are implicated in BBB disruption following cerebral pathology. Given that vascular contributions to cognitive impairment and dementia and Alzheimer's' disease are prominent forms of dementia that involve BBB disruption, as well as chronic inflammation, we present current approaches shown to improve dementia-like conditions with integrins as a central focus. We conclude that integrins are vital in memory formation and that their disruption could lead to various forms of cognitive impairment. While further research to understand the relationships between integrins and memory is needed, we propose that the translational relevance of research efforts in this area could be improved through the use of appropriately aged, comorbid, male and female animals.
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Affiliation(s)
- Ifechukwude Joachim Biose
- Clinical Neuroscience Research Center, Department of Neurosurgery, Tulane University School of Medicine, New Orleans, LA 70112, USA
| | - Saifudeen Ismael
- Clinical Neuroscience Research Center, Department of Neurosurgery, Tulane University School of Medicine, New Orleans, LA 70112, USA
| | - Blake Ouvrier
- Clinical Neuroscience Research Center, Department of Neurosurgery, Tulane University School of Medicine, New Orleans, LA 70112, USA
- Tulane Brain Institute, Tulane University, New Orleans, LA 70112, USA
| | - Amanda Louise White
- Clinical Neuroscience Research Center, Department of Neurosurgery, Tulane University School of Medicine, New Orleans, LA 70112, USA
- Tulane Brain Institute, Tulane University, New Orleans, LA 70112, USA
| | - Gregory Jaye Bix
- Clinical Neuroscience Research Center, Department of Neurosurgery, Tulane University School of Medicine, New Orleans, LA 70112, USA
- School of Medicine, Tulane University, New Orleans, LA 70112, USA
- Department of Neurology, Tulane University School of Medicine, New Orleans, LA 70112, USA
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA 70112, USA
- School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA 70122, USA
- Correspondence: ; Tel.: +1-504-988-3564
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Courtier A, Potheret D, Giannoni P. Environmental bacteria as triggers to brain disease: Possible mechanisms of toxicity and associated human risk. Life Sci 2022; 304:120689. [DOI: 10.1016/j.lfs.2022.120689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 05/11/2022] [Accepted: 06/01/2022] [Indexed: 11/24/2022]
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Fu XX, Wang J, Cai HY, Jiang H, Jiang JZ, Chen HH, Han S. Co-Application of C16 and Ang-1 Improves the Effects of Levodopa in Parkinson Disease Treatment. J Inflamm Res 2022; 15:3797-3814. [PMID: 35836722 PMCID: PMC9273834 DOI: 10.2147/jir.s368291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 06/29/2022] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Levodopa is regarded as a standard medication in Parkinson disease (PD) treatment. However, long-term administration of levodopa leads to levodopa-induced dyskinesia (LID), which can markedly affect patient quality of life. Previous studies have shown that neuroinflammation in the brain plays a role in LID and increases potential neuroinflammatory mediators associated with the side effects of levodopa. OBJECTIVE The treatment effect of C16 (a peptide that competitively binds integrin αvβ3 and inhibits inflammatory cell infiltration) and angiopoietin-1 (Ang-1; a vascular endothelial growth factor vital for blood vessel protection), along with levodopa, was evaluated in a rodent model of PD. METHODS We administered a combination of C16 and Ang-1 in a rodent model of PD induced by MPTP (1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine). Seventy-five mice were randomly divided into five treatment groups: control, vehicle, levodopa, C16+Ang-1, and levodopa+C16+Ang-1. Behavioral, histological, and electrophysiological experiments were used to determine neuron function and recovery. RESULTS The results showed that C16+Ang-1 treatment alleviated neuroinflammation in the CNS and promoted the recovery effects of levodopa on neural function. CONCLUSION Our study suggests that C16+Ang-1 can compensate for the shortcomings of levodopa, improve the CNS microenvironment, and ameliorate the effects of levodopa. This treatment strategy could be developed as a combinatorial therapeutic in the future.
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Affiliation(s)
- Xiao-Xiao Fu
- Institute of Anatomy and Sir Run Run Shaw Hospital, Medical College, Zhejiang University, Hangzhou, People’s Republic of China
| | - Jin Wang
- Institute of Anatomy and Sir Run Run Shaw Hospital, Medical College, Zhejiang University, Hangzhou, People’s Republic of China
| | - Hua-Ying Cai
- Institute of Anatomy and Sir Run Run Shaw Hospital, Medical College, Zhejiang University, Hangzhou, People’s Republic of China
| | - Hong Jiang
- Institute of Anatomy and Sir Run Run Shaw Hospital, Medical College, Zhejiang University, Hangzhou, People’s Republic of China
| | - Jin-Zhan Jiang
- Medical Molecular Biology Laboratory, School of Medicine, Jinhua Polytechnic, Jinhua, People’s Republic of China
| | - Hao-Hao Chen
- Medical Molecular Biology Laboratory, School of Medicine, Jinhua Polytechnic, Jinhua, People’s Republic of China
- Hao-Hao Chen, Medical Molecular Biology Laboratory, School of Medicine, Jinhua Polytechnic, 1188 Wuzhou Steet, Jinhua, People’s Republic of China, Tel +86-579-82265128, Fax +86-579-82265110, Email
| | - Shu Han
- Institute of Anatomy and Sir Run Run Shaw Hospital, Medical College, Zhejiang University, Hangzhou, People’s Republic of China
- Correspondence: Shu Han, Institute of Anatomy, Sir Run Run Shaw Hospital, Medical College, Zhejiang University, 866 Yuhangtang Road, Hangzhou, People’s Republic of China, Tel +86-571-88208160, Fax +86-571-88208094, Email
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Cai HY, Fu XX, Jiang H, Han S. Adjusting vascular permeability, leukocyte infiltration, and microglial cell activation to rescue dopaminergic neurons in rodent models of Parkinson's disease. NPJ Parkinsons Dis 2021; 7:91. [PMID: 34625569 PMCID: PMC8501121 DOI: 10.1038/s41531-021-00233-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 09/13/2021] [Indexed: 01/03/2023] Open
Abstract
Animal studies have indicated that increased blood-brain barrier (BBB) permeability and inflammatory cell infiltration are involved during the progression of Parkinson's disease (PD). This study used C16, a peptide that competitively binds to integrin αvβ3 and inhibits inflammatory cell infiltration, as well as angiopoietin-1 (Ang-1), an endothelial growth factor crucial for blood vessel protection, to reduce inflammation and improve the central nervous system (CNS) microenvironment in murine models of PD. The combination of C16 and Ang-1 yielded better results compared to the individual drugs alone in terms of reducing dopaminergic neuronal apoptosis, ameliorating cognitive impairment, and electrophysiological dysfunction, attenuating inflammation in the CNS microenvironment, and improving the functional disability in PD mice or rats. These results suggest neuroprotective and anti-inflammatory properties of the C16 peptide plus Ang-1 in PD.
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Affiliation(s)
- Hua-Ying Cai
- Department of Neurology, Sir Run Run Shaw Hospital, Medical College, Zhejiang University, Hangzhou, China
| | - Xiao-Xiao Fu
- Institute of Anatomy and Cell Biology, Medical College, Zhejiang University, Hangzhou, China.
| | - Hong Jiang
- Department of Electrophysiology, Sir Run Run Shaw Hospital, Medical College, Zhejiang University, Hangzhou, China
| | - Shu Han
- Institute of Anatomy and Cell Biology, Medical College, Zhejiang University, Hangzhou, China.
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Ye L, Sun Y, Jiang Z, Wang G. L-Serine, an Endogenous Amino Acid, Is a Potential Neuroprotective Agent for Neurological Disease and Injury. Front Mol Neurosci 2021; 14:726665. [PMID: 34552468 PMCID: PMC8450333 DOI: 10.3389/fnmol.2021.726665] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 08/12/2021] [Indexed: 01/02/2023] Open
Abstract
Central nervous system (CNS) lesions are major causes of human death and disability worldwide, and they cause different extents of motor and sensory dysfunction in patients. Thus, it is crucial to develop new effective neuroprotective drugs and approaches targeted to the heterogeneous nature of CNS injury and disease. L-serine is an indispensable neurotrophic factor and a precursor for neurotransmitters. Although L-serine is a native amino acid supplement, its metabolic products have been shown to be essential not only for cell proliferation but also for neuronal development and specific functions in the brain. Growing evidence has suggested that L-serine regulates the release of several cytokines in the brain under some neuropathological conditions to recover cognitive function, improve cerebral blood flow, inhibit inflammation, promote remyelination and exert other neuroprotective effects on neurological injury. L-serine has also been used to treat epilepsy, schizophrenia, psychosis, and Alzheimer’s Disease as well as other neurological diseases. Furthermore, the dosing of animals with L-serine and human clinical trials investigating the therapeutic effects of L-serine generally support the safety of L-serine. The high significance of this review lies in its emphasis on the therapeutic potential of using L-serine as a general treatment for numerous CNS diseases and injuries. Because L-serine performs a broad spectrum of functions, it may be clinically used as an effective neuroprotective agent.
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Affiliation(s)
- Lisha Ye
- Department of Neurophysiology and Neuropharmacology, Institute of Special Environmental Medicine and Co-innovation Center of Neuroregeneration, Nantong University, Nantong, China
| | - Yechao Sun
- Department of Neurophysiology and Neuropharmacology, Institute of Special Environmental Medicine and Co-innovation Center of Neuroregeneration, Nantong University, Nantong, China
| | - Zhenglin Jiang
- Department of Neurophysiology and Neuropharmacology, Institute of Special Environmental Medicine and Co-innovation Center of Neuroregeneration, Nantong University, Nantong, China
| | - Guohua Wang
- Department of Neurophysiology and Neuropharmacology, Institute of Special Environmental Medicine and Co-innovation Center of Neuroregeneration, Nantong University, Nantong, China
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Quinn AW, Phillips CR, Violi JP, Steele JR, Johnson MS, Westerhausen MT, Rodgers KJ. β-Methylamino-L-alanine-induced protein aggregation in vitro and protection by L-serine. Amino Acids 2021; 53:1351-1359. [PMID: 34283312 DOI: 10.1007/s00726-021-03049-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Accepted: 07/12/2021] [Indexed: 10/20/2022]
Abstract
The cyanobacterial non-protein amino acid α-amino-β-methylaminopropionic acid, more commonly known as BMAA, was first discovered in the seeds of the ancient gymnosperm Cycad circinalis (now Cycas micronesica Hill). BMAA was linked to the high incidence of neurological disorders on the island of Guam first reported in the 1950s. BMAA still attracts interest as a possible causative factor in amyotrophic lateral sclerosis (ALS) following the identification of ALS disease clusters associated with living in proximity to lakes with regular cyanobacterial blooms. Since its discovery, BMAA toxicity has been the subject of many in vivo and in vitro studies. A number of mechanisms of toxicity have been proposed including an agonist effect at glutamate receptors, competition with cysteine for transport system xc_ and other mechanisms capable of generating cellular oxidative stress. In addition, a wide range of studies have reported effects related to disturbances in proteostasis including endoplasmic reticulum stress and activation of the unfolded protein response. In the present studies we examine the effects of BMAA on the ubiquitin-proteasome system (UPS) and on chaperone-mediated autophagy (CMA) by measuring levels of ubiquitinated proteins and lamp2a protein levels in a differentiated neuronal cell line exposed to BMAA. The BMAA induced increases in oxidised proteins and the increase in CMA activity reported could be prevented by co-administration of L-serine but not by the two antioxidants examined. These data provide further evidence of a protective role for L-serine against the deleterious effects of BMAA.
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Affiliation(s)
- Adam W Quinn
- Neurotoxin Research Group, School of Life Sciences, University of Technology Syd, ney, Faculty of Science, Building 4, Level 7, room 329. Thomas Street, Sydney, NSW, 2007, Australia
| | - Connor R Phillips
- Neurotoxin Research Group, School of Life Sciences, University of Technology Syd, ney, Faculty of Science, Building 4, Level 7, room 329. Thomas Street, Sydney, NSW, 2007, Australia
| | - Jake P Violi
- Neurotoxin Research Group, School of Life Sciences, University of Technology Syd, ney, Faculty of Science, Building 4, Level 7, room 329. Thomas Street, Sydney, NSW, 2007, Australia
| | - Joel R Steele
- Neurotoxin Research Group, School of Life Sciences, University of Technology Syd, ney, Faculty of Science, Building 4, Level 7, room 329. Thomas Street, Sydney, NSW, 2007, Australia
| | - Michael S Johnson
- Neurotoxin Research Group, School of Life Sciences, University of Technology Syd, ney, Faculty of Science, Building 4, Level 7, room 329. Thomas Street, Sydney, NSW, 2007, Australia
| | - Mika T Westerhausen
- Neurotoxin Research Group, School of Life Sciences, University of Technology Syd, ney, Faculty of Science, Building 4, Level 7, room 329. Thomas Street, Sydney, NSW, 2007, Australia
| | - Kenneth J Rodgers
- Neurotoxin Research Group, School of Life Sciences, University of Technology Syd, ney, Faculty of Science, Building 4, Level 7, room 329. Thomas Street, Sydney, NSW, 2007, Australia.
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8
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Fu X, Chen H, Han S. C16 peptide and angiopoietin-1 protect against LPS-induced BV-2 microglial cell inflammation. Life Sci 2020; 256:117894. [PMID: 32502544 DOI: 10.1016/j.lfs.2020.117894] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Revised: 05/25/2020] [Accepted: 05/31/2020] [Indexed: 12/27/2022]
Abstract
AIMS Pathological alterations in the brain can cause microglial activation (MA). Thus, inhibiting MA could provide a new approach for treating neurodegenerative disorders. MAIN METHODS To investigate the effect of C16 peptide and angiopoietin-1 (Ang1) on inflammation following MA, we stimulated microglial BV-2 cells with lipopolysaccharide (LPS) and used dexmedetomidine (DEX) as a positive control. Specific inhibitors of Tie2, αvβ3 and α5β1 integrins, and PI3K/Akt were applied to investigate the neuron-protective and anti-inflammatory effects and signaling pathway of C16 + Ang1 treatment in the LPS-induced BV-2 cells. KEY FINDINGS Our results showed that C16 + Ang1 treatment reduced the microglia M1 phenotype but promoted the microglia M2 phenotype. In addition, C16 + Ang1 treatment suppressed leukocyte migration across human pulmonary microvascular endothelial cells, reduced the levels of pro-inflammatory factors [inducible nitric oxide synthase (iNOS), interleukin (IL)-1β, tumor necrosis factor (TNF-α)], and cellular apoptosis factors (caspase-3 and p53), and decreased lactate dehydrogenase (LDH) release, but promoted anti-inflammatory cytokine (IL-10) expression and cell proliferation in the LPS-activated BV-2 cells. The signaling pathways underlying the neuron-protective and anti-inflammatory effects of C16 + Ang1 may be mediated by Tie2-PI3K/Akt, Tie2-integrin and integrin-PI3K/Akt. SIGNIFICANCE The neuron-protective and anti-inflammatory effects of C16 + Ang1 treatment included M1 to M2 microglia phenotype switching, blocking leukocyte transmigration, decreasing apoptotic and inflammatory factors, and promoting cellular viability.
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Affiliation(s)
- Xiaoxiao Fu
- Institute of Anatomy and Cell Biology, Medical College, Zhejiang University, Hangzhou, China
| | - Haohao Chen
- Medical Molecular Biology Laboratory, School of Medicine, Jinhua Polytechnic, Jinhua 321000, China.
| | - Shu Han
- Institute of Anatomy and Cell Biology, Medical College, Zhejiang University, Hangzhou, China.
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Nunes-Costa D, Magalhães JD, G-Fernandes M, Cardoso SM, Empadinhas N. Microbial BMAA and the Pathway for Parkinson's Disease Neurodegeneration. Front Aging Neurosci 2020; 12:26. [PMID: 32317956 PMCID: PMC7019015 DOI: 10.3389/fnagi.2020.00026] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Accepted: 01/23/2020] [Indexed: 12/12/2022] Open
Abstract
The neurotoxin β-N-methylamino-L-alanine (BMAA) is a natural non-proteinogenic diamino acid produced by several species of both prokaryotic (cyanobacteria) and eukaryotic (diatoms and dinoflagellates) microorganisms. BMAA has been shown to biomagnify through the food chain in some ecosystems, accumulating for example in seafood such as shellfish and fish, common dietary sources of BMAA whose ingestion may have possible neuronal consequences. In addition to its excitotoxic potential, BMAA has been implicated in protein misfolding and aggregation, inhibition of specific enzymes and neuroinflammation, all hallmark features of neurodegenerative diseases. However, the exact molecular mechanisms of neurotoxicity remain to be elucidated in detail. Although BMAA is commonly detected in its free form, complex BMAA-containing molecules have also been identified such as the paenilamicins, produced by an insect gut bacterial pathogen. On the other hand, production of BMAA or BMAA-containing molecules by members of the human gut microbiota, for example by non-photosynthetic cyanobacteria, the Melainabacteria, remains only hypothetical. In any case, should BMAA reach the gut it may interact with cells of the mucosal immune system and neurons of the enteric nervous system (ENS) and possibly target the mitochondria. Here, we review the available evidence and hint on possible mechanisms by which chronic exposure to dietary sources of this microbial neurotoxin may drive protein misfolding and mitochondrial dysfunction with concomitant activation of innate immune responses, chronic low-grade gut inflammation, and ultimately the neurodegenerative features observed across the gut-brain axis in Parkinson's disease (PD).
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Affiliation(s)
- Daniela Nunes-Costa
- CNC–Center for Neuroscience and Cell
Biology, University of Coimbra, Coimbra,
Portugal
- Ph.D. Programme in Biomedicine and Experimental
Biology (PDBEB), Institute for Interdisciplinary Research, University of
Coimbra, Coimbra,
Portugal
| | - João Duarte Magalhães
- CNC–Center for Neuroscience and Cell
Biology, University of Coimbra, Coimbra,
Portugal
- Ph.D. Programme in Biomedicine and Experimental
Biology (PDBEB), Institute for Interdisciplinary Research, University of
Coimbra, Coimbra,
Portugal
| | - Maria G-Fernandes
- CNC–Center for Neuroscience and Cell
Biology, University of Coimbra, Coimbra,
Portugal
| | - Sandra Morais Cardoso
- CNC–Center for Neuroscience and Cell
Biology, University of Coimbra, Coimbra,
Portugal
- Institute of Cellular and Molecular Biology,
Faculty of Medicine, University of Coimbra,
Coimbra, Portugal
| | - Nuno Empadinhas
- CNC–Center for Neuroscience and Cell
Biology, University of Coimbra, Coimbra,
Portugal
- Institute for Interdisciplinary Research
(IIIUC), University of Coimbra, Coimbra,
Portugal
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