Abstract:
:Among the different signaling molecules released during reactive gliosis occurring in Alzheimer's disease (AD), the astrocyte-derived S100B protein plays a key role in neuroinflammation, one of the hallmarks of the disease. The use of pharmacological tools targeting S100B may be crucial to embank its effects and some of the pathological features of AD. The antiprotozoal drug pentamidine is a good candidate since it directly blocks S100B activity by inhibiting its interaction with the tumor suppressor p53. We used a mouse model of amyloid beta- (Aβ-) induced AD, which is characterized by reactive gliosis and neuroinflammation in the brain, and we evaluated the effect of pentamidine on the main S100B-mediated events. Pentamidine caused the reduction of glial fibrillary acidic protein, S100B, and RAGE protein expression, which are signs of reactive gliosis, and induced p53 expression in astrocytes. Pentamidine also reduced the expression of proinflammatory mediators and markers, thus reducing neuroinflammation in AD brain. In parallel, we observed a significant neuroprotection exerted by pentamidine on CA1 pyramidal neurons. We demonstrated that pentamidine inhibits Aβ-induced gliosis and neuroinflammation in an animal model of AD, thus playing a role in slowing down the course of the disease.
journal_name
Biomed Res Intjournal_title
BioMed research internationalauthors
Cirillo C,Capoccia E,Iuvone T,Cuomo R,Sarnelli G,Steardo L,Esposito Gdoi
10.1155/2015/508342subject
Has Abstractpub_date
2015-01-01 00:00:00pages
508342eissn
2314-6133issn
2314-6141journal_volume
2015pub_type
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journal_title:BioMed research international
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pub_type: 杂志文章,评审
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journal_title:BioMed research international
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journal_title:BioMed research international
pub_type: 杂志文章,随机对照试验
doi:10.1155/2014/673682
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journal_title:BioMed research international
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journal_title:BioMed research international
pub_type: 杂志文章
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journal_title:BioMed research international
pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:BioMed research international
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pub_type: 杂志文章
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pub_type: 杂志文章,评审
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journal_title:BioMed research international
pub_type: 临床试验,杂志文章
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pub_type: 杂志文章
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pub_type: 杂志文章
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更新日期:2014-01-01 00:00:00