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Adult-Onset Fluoxetine Treatment Does Not Improve Behavioral Impairments and May Have Adverse Effects on the Ts65Dn Mouse Model of Down Syndrome
المؤلفون المشاركون
Ehninger, Dan
Heinen, Markus
Hettich, Moritz M.
Ryan, Devon P.
Schnell, Susanne
Paesler, Katharina
المصدر
العدد
المجلد 2012، العدد 2012 (31 ديسمبر/كانون الأول 2012)، ص ص. 1-10، 10ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2012-07-16
دولة النشر
مصر
عدد الصفحات
10
التخصصات الرئيسية
الملخص EN
Down syndrome is caused by triplication of chromosome 21 and is associated with neurocognitive phenotypes ranging from severe intellectual disability to various patterns of more selective neuropsychological deficits, including memory impairments.
In the Ts65Dn mouse model of Down syndrome, excessive GABAergic neurotransmission results in local over-inhibition of hippocampal circuits, which dampens hippocampal synaptic plasticity and contributes to cognitive impairments.
Treatments with several GABAA receptor antagonists result in increased plasticity and improved memory deficits in Ts65Dn mice.
These GABAA receptor antagonists are, however, not suitable for clinical applications.
The selective serotonin reuptake inhibitor fluoxetine, in contrast, is a widely prescribed antidepressant that can also enhance plasticity in the adult rodent brain by lowering GABAergic inhibition.
For these reasons, we wondered if an adult-onset 4-week oral fluoxetine treatment restores spatial learning and memory impairments in Ts65Dn mice.
Fluoxetine did not measurably improve behavioral impairments of Ts65Dn mice.
On the contrary, we observed seizures and mortality in fluoxetine-treated Ts65Dn mice, raising the possibility of a drug × genotype interaction with respect to these adverse treatment outcomes.
Future studies should re-address this in larger animal cohorts and determine if fluoxetine treatment is associated with adverse treatment effects in individuals with Down syndrome.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Heinen, Markus& Hettich, Moritz M.& Ryan, Devon P.& Schnell, Susanne& Paesler, Katharina& Ehninger, Dan. 2012. Adult-Onset Fluoxetine Treatment Does Not Improve Behavioral Impairments and May Have Adverse Effects on the Ts65Dn Mouse Model of Down Syndrome. Neural Plasticity،Vol. 2012, no. 2012, pp.1-10.
https://search.emarefa.net/detail/BIM-1029915
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Heinen, Markus…[et al.]. Adult-Onset Fluoxetine Treatment Does Not Improve Behavioral Impairments and May Have Adverse Effects on the Ts65Dn Mouse Model of Down Syndrome. Neural Plasticity No. 2012 (2012), pp.1-10.
https://search.emarefa.net/detail/BIM-1029915
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Heinen, Markus& Hettich, Moritz M.& Ryan, Devon P.& Schnell, Susanne& Paesler, Katharina& Ehninger, Dan. Adult-Onset Fluoxetine Treatment Does Not Improve Behavioral Impairments and May Have Adverse Effects on the Ts65Dn Mouse Model of Down Syndrome. Neural Plasticity. 2012. Vol. 2012, no. 2012, pp.1-10.
https://search.emarefa.net/detail/BIM-1029915
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1029915
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
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