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Behavioral characterization of mice overexpressing human dysbindin-1

Overview of attention for article published in Molecular Brain, October 2014
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Title
Behavioral characterization of mice overexpressing human dysbindin-1
Published in
Molecular Brain, October 2014
DOI 10.1186/s13041-014-0074-x
Pubmed ID
Authors

Norihito Shintani, Yusuke Onaka, Ryota Hashimoto, Hironori Takamura, Tsuyoshi Nagata, Satomi Umeda-Yano, Akihiro Mouri, Takayoshi Mamiya, Ryota Haba, Shinsuke Matsuzaki, Taiichi Katayama, Hidenaga Yamamori, Takanobu Nakazawa, Kazuki Nagayasu, Yukio Ago, Yuki Yagasaki, Toshitaka Nabeshima, Masatoshi Takeda, Hitoshi Hashimoto

Abstract

BackgroundThe dysbindin-1 gene (DTNBP1: dystrobrevin binding protein 1) is a promising schizophrenia susceptibility gene, known to localize almost exclusively to neurons in the brain, and participates in the regulation of neurotransmitter release, membrane-surface receptor expression, and synaptic plasticity. Sandy mice, with spontaneous Dtnbp1 deletion, display behavioral abnormalities relevant to symptoms of schizophrenia. However, it remains unknown if dysbindin-1 gain-of-function is beneficial or detrimental.ResultsTo answer this question and gain further insight into the pathophysiology and therapeutic potential of dysbindin-1, we developed transgenic mice expressing human DTNBP1 (Dys1A-Tg) and analyzed their behavioral phenotypes. Dys1A-Tg mice were born viable in the expected Mendelian ratios, apparently normal and fertile. Primary screening of behavior and function showed a marginal change in limb grasping in Dys1A-Tg mice. In addition, Dys1A-Tg mice exhibited increased hyperlocomotion after methamphetamine injection. Transcriptomic analysis identified several up- and down-regulated genes, including the immediate-early genes Arc and Egr2, in the prefrontal cortex of Dys1A-Tg mice.ConclusionsThe present findings in Dys1A-Tg mice support the role of dysbindin-1 in psychiatric disorders. The fact that either overexpression (Dys1A-Tg) or underexpression (Sandy) of dysbindin-1 leads to behavioral alterations in mice highlights the functional importance of dysbindin-1 in vivo.

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Mendeley readers

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The data shown below were compiled from readership statistics for 30 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Russia 1 3%
Unknown 29 97%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 6 20%
Student > Master 6 20%
Student > Bachelor 3 10%
Researcher 3 10%
Other 3 10%
Other 4 13%
Unknown 5 17%
Readers by discipline Count As %
Neuroscience 6 20%
Agricultural and Biological Sciences 4 13%
Pharmacology, Toxicology and Pharmaceutical Science 4 13%
Psychology 3 10%
Biochemistry, Genetics and Molecular Biology 2 7%
Other 4 13%
Unknown 7 23%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 12 November 2015.
All research outputs
#17,728,987
of 22,766,595 outputs
Outputs from Molecular Brain
#746
of 1,106 outputs
Outputs of similar age
#171,784
of 255,208 outputs
Outputs of similar age from Molecular Brain
#21
of 26 outputs
Altmetric has tracked 22,766,595 research outputs across all sources so far. This one is in the 19th percentile – i.e., 19% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,106 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 7.1. This one is in the 22nd percentile – i.e., 22% of its peers scored the same or lower than it.
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