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Persistent penetration of MPTP through the nasal route induces Parkinson's disease in mice.

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Title: Persistent penetration of MPTP through the nasal route induces Parkinson's disease in mice.
Authors: Rojo, Ana I. (AUTHOR), Montero, Celia (AUTHOR), Salazar, María (AUTHOR), Close, Ryan M. (AUTHOR), Fernández‐Ruiz, Javier (AUTHOR), Sánchez‐González, Miguel A. (AUTHOR), De Sagarra, María Rosa (AUTHOR), Jackson‐Lewis, Vernice (AUTHOR), Cavada, Carmen (AUTHOR), Cuadrado, Antonio (AUTHOR)
Source: European Journal of Neuroscience. Oct2006, Vol. 24 Issue 7, p1874-1884. 11p. 2 Color Photographs, 7 Graphs.
Subjects: Parkinson's disease, Neurotoxic agents, Neurotransmitters, Biogenic amines, Substantia nigra, Neural transmission, Neurosciences
Abstract: The aetiology of idiopathic Parkinson's disease (PD) is poorly defined but environmental aggressions may be relevant. Here, we report a new model of PD in mice, based on chronic inoculation with neurotoxins in the nasal cavity, which is a natural route of contact with the environment. C57BL/6 mice, submitted to daily intranasal inoculation with MPTP for 30 days, developed motor deficits that correlated with a progressive and severe depletion of striatal dopamine levels, and loss of tyrosine hydroxylase and dopamine transporter staining in substantia nigra and striatum. Moreover, mice intranasally inoculated with MPTP developed strong astrogliosis and microgliosis in substantia nigra and striatum. Consistent with these observations, a role for oxidant aggression was demonstrated by increased levels of Mn-superoxide dismutase. However, α-synuclein aggregation was not observed. This new animal model provides a new tool for studying PD symptoms that develop slowly over time, and it may be used to asses risk from environmental neurotoxins. [ABSTRACT FROM AUTHOR]
Copyright of European Journal of Neuroscience is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Persistent penetration of MPTP through the nasal route induces Parkinson's disease in mice.
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  Data: <searchLink fieldCode="AR" term="%22Rojo%2C+Ana+I%2E%22">Rojo, Ana I.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Montero%2C+Celia%22">Montero, Celia</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Salazar%2C+María%22">Salazar, María</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Close%2C+Ryan+M%2E%22">Close, Ryan M.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fernández‐Ruiz%2C+Javier%22">Fernández‐Ruiz, Javier</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sánchez‐González%2C+Miguel+A%2E%22">Sánchez‐González, Miguel A.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22De+Sagarra%2C+María+Rosa%22">De Sagarra, María Rosa</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jackson‐Lewis%2C+Vernice%22">Jackson‐Lewis, Vernice</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cavada%2C+Carmen%22">Cavada, Carmen</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cuadrado%2C+Antonio%22">Cuadrado, Antonio</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22European+Journal+of+Neuroscience%22">European Journal of Neuroscience</searchLink>. Oct2006, Vol. 24 Issue 7, p1874-1884. 11p. 2 Color Photographs, 7 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22Parkinson's+disease%22">Parkinson's disease</searchLink><br /><searchLink fieldCode="DE" term="%22Neurotoxic+agents%22">Neurotoxic agents</searchLink><br /><searchLink fieldCode="DE" term="%22Neurotransmitters%22">Neurotransmitters</searchLink><br /><searchLink fieldCode="DE" term="%22Biogenic+amines%22">Biogenic amines</searchLink><br /><searchLink fieldCode="DE" term="%22Substantia+nigra%22">Substantia nigra</searchLink><br /><searchLink fieldCode="DE" term="%22Neural+transmission%22">Neural transmission</searchLink><br /><searchLink fieldCode="DE" term="%22Neurosciences%22">Neurosciences</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: The aetiology of idiopathic Parkinson's disease (PD) is poorly defined but environmental aggressions may be relevant. Here, we report a new model of PD in mice, based on chronic inoculation with neurotoxins in the nasal cavity, which is a natural route of contact with the environment. C57BL/6 mice, submitted to daily intranasal inoculation with MPTP for 30 days, developed motor deficits that correlated with a progressive and severe depletion of striatal dopamine levels, and loss of tyrosine hydroxylase and dopamine transporter staining in substantia nigra and striatum. Moreover, mice intranasally inoculated with MPTP developed strong astrogliosis and microgliosis in substantia nigra and striatum. Consistent with these observations, a role for oxidant aggression was demonstrated by increased levels of Mn-superoxide dismutase. However, α-synuclein aggregation was not observed. This new animal model provides a new tool for studying PD symptoms that develop slowly over time, and it may be used to asses risk from environmental neurotoxins. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of European Journal of Neuroscience is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1111/j.1460-9568.2006.05060.x
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      – Code: eng
        Text: English
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        PageCount: 11
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      – SubjectFull: Parkinson's disease
        Type: general
      – SubjectFull: Neurotoxic agents
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      – SubjectFull: Neurotransmitters
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      – SubjectFull: Biogenic amines
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      – SubjectFull: Substantia nigra
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      – SubjectFull: Neural transmission
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      – SubjectFull: Neurosciences
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      – TitleFull: Persistent penetration of MPTP through the nasal route induces Parkinson's disease in mice.
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              Text: Oct2006
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