Dopamine deficiency underlies learning deficits in neurofibromatosis-1 mice.
Dopamine deficiency underlies learning deficits in neurofibromatosis-1 mice.
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DOI:
10.1002/ana.23793
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发表时间:
2013-02
影响因子:
11.2
通讯作者:
Gutmann, David H.
中科院分区:
文献类型:
--
作者:
Diggs-Andrews, Kelly A.;Tokuda, Kazuhiro;Izumi, Yukitoshi;Zorumski, Charles F.;Wozniak, David F.;Gutmann, David H.
Children with neurofibromatosis type 1 (NF1) are prone to learning and behavioral abnormalities, including problems with spatial learning and attention. The molecular etiology for these deficits is unclear, as previous studies have implicated defective dopamine, cAMP and Ras homeostasis. Using behavioral, electrophysiological and primary culture, we now demonstrate that reduced dopamine signaling is responsible for cAMP-dependent defects in neuron function and learning. Collectively, these results establish defective dopaminergic function as one contributing factor underlying impaired spatial learning and memory in children and adults with NF1, and support the use of treatments that restore normal dopamine homeostasis for select individuals.
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影响因子:
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