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Botulinum Neurotoxin Induces Neurotoxic Microglia Mediated by Exogenous Inflammatory Responses
https://orcid.org/0000-0002-9122-2455
https://orcid.org/0000-0003-1829-2462
AbstractBotulinum neurotoxin serotype A (BoNT/A) is widely used in therapeutics and cosmetics. The effects of multi‐dosed BoNT/A treatment are well documented on the peripheral nervous system (PNS), but much less is known on the central nervous system (CNS). Here, the mechanism of multi‐dosed BoNT/A leading to CNS neurodegeneration is explored by using the 3D human neuron‐glia model. BoNT/A treatment reduces acetylcholine, triggers astrocytic transforming growth factor beta, and upregulates C1q, C3, and C5 expression, inducing microglial proinflammation. The disintegration of the neuronal microtubules is escorted by microglial nitric oxide, interleukin 1β, tumor necrosis factor α, and interleukin 8. The microglial proinflammation eventually causes synaptic impairment, phosphorylated tau (pTau) aggregation, and the loss of the BoNT/A‐treated neurons. Taking a more holistic approach, the model will allow to assess therapeutics for the CNS neurodegeneration under the prolonged use of BoNT/A.
Botulinum Neurotoxin Induces Neurotoxic Microglia Mediated by Exogenous Inflammatory Responses
https://orcid.org/0000-0002-9122-2455
https://orcid.org/0000-0003-1829-2462
AbstractBotulinum neurotoxin serotype A (BoNT/A) is widely used in therapeutics and cosmetics. The effects of multi‐dosed BoNT/A treatment are well documented on the peripheral nervous system (PNS), but much less is known on the central nervous system (CNS). Here, the mechanism of multi‐dosed BoNT/A leading to CNS neurodegeneration is explored by using the 3D human neuron‐glia model. BoNT/A treatment reduces acetylcholine, triggers astrocytic transforming growth factor beta, and upregulates C1q, C3, and C5 expression, inducing microglial proinflammation. The disintegration of the neuronal microtubules is escorted by microglial nitric oxide, interleukin 1β, tumor necrosis factor α, and interleukin 8. The microglial proinflammation eventually causes synaptic impairment, phosphorylated tau (pTau) aggregation, and the loss of the BoNT/A‐treated neurons. Taking a more holistic approach, the model will allow to assess therapeutics for the CNS neurodegeneration under the prolonged use of BoNT/A.
Botulinum Neurotoxin Induces Neurotoxic Microglia Mediated by Exogenous Inflammatory Responses
https://orcid.org/0000-0002-9122-2455
https://orcid.org/0000-0003-1829-2462
AbstractBotulinum neurotoxin serotype A (BoNT/A) is widely used in therapeutics and cosmetics. The effects of multi‐dosed BoNT/A treatment are well documented on the peripheral nervous system (PNS), but much less is known on the central nervous system (CNS). Here, the mechanism of multi‐dosed BoNT/A leading to CNS neurodegeneration is explored by using the 3D human neuron‐glia model. BoNT/A treatment reduces acetylcholine, triggers astrocytic transforming growth factor beta, and upregulates C1q, C3, and C5 expression, inducing microglial proinflammation. The disintegration of the neuronal microtubules is escorted by microglial nitric oxide, interleukin 1β, tumor necrosis factor α, and interleukin 8. The microglial proinflammation eventually causes synaptic impairment, phosphorylated tau (pTau) aggregation, and the loss of the BoNT/A‐treated neurons. Taking a more holistic approach, the model will allow to assess therapeutics for the CNS neurodegeneration under the prolonged use of BoNT/A.
Botulinum Neurotoxin Induces Neurotoxic Microglia Mediated by Exogenous Inflammatory Responses
Advanced Science
Ambrin, Ghuncha (author) / Kang, You Jung (author) / Van Do, Khanh (author) / Lee, Charles (author) / Singh, Bal Ram (author) / Cho, Hansang (author)
Advanced Science ; 11
2024-04-01
Article (Journal)
Electronic Resource
English
Botulinum Neurotoxin Induces Neurotoxic Microglia Mediated by Exogenous Inflammatory Responses
| Wiley | 2024
| Elsevier | 2024
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| Springer Verlag | 2007