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A role for mDia, a Rho-regulated actin nucleator, in tangential migration of interneuron precursors

Overview of attention for article published in Nature Neuroscience, January 2012
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Title
A role for mDia, a Rho-regulated actin nucleator, in tangential migration of interneuron precursors
Published in
Nature Neuroscience, January 2012
DOI 10.1038/nn.3020
Pubmed ID
Authors

Ryota Shinohara, Dean Thumkeo, Hiroshi Kamijo, Naoko Kaneko, Kazunobu Sawamoto, Keisuke Watanabe, Hirohide Takebayashi, Hiroshi Kiyonari, Toshimasa Ishizaki, Tomoyuki Furuyashiki, Shuh Narumiya

Abstract

In brain development, distinct types of migration, radial migration and tangential migration, are shown by excitatory and inhibitory neurons, respectively. Whether these two types of migration operate by similar cellular mechanisms remains unclear. We examined neuronal migration in mice deficient in mDia1 (also known as Diap1) and mDia3 (also known as Diap2), which encode the Rho-regulated actin nucleators mammalian diaphanous homolog 1 (mDia1) and mDia3. mDia deficiency impaired tangential migration of cortical and olfactory inhibitory interneurons, whereas radial migration and consequent layer formation of cortical excitatory neurons were unaffected. mDia-deficient neuroblasts exhibited reduced separation of the centrosome from the nucleus and retarded nuclear translocation. Concomitantly, anterograde F-actin movement and F-actin condensation at the rear, which occur during centrosomal and nuclear movement of wild-type cells, respectively, were impaired in mDia-deficient neuroblasts. Blockade of Rho-associated protein kinase (ROCK), which regulates myosin II, also impaired nuclear translocation. These results suggest that Rho signaling via mDia and ROCK critically regulates nuclear translocation through F-actin dynamics in tangential migration, whereas this mechanism is dispensable in radial migration.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 159 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Portugal 1 <1%
India 1 <1%
China 1 <1%
Spain 1 <1%
Japan 1 <1%
Unknown 154 97%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 40 25%
Researcher 35 22%
Professor > Associate Professor 13 8%
Student > Master 12 8%
Student > Bachelor 9 6%
Other 24 15%
Unknown 26 16%
Readers by discipline Count As %
Agricultural and Biological Sciences 65 41%
Neuroscience 28 18%
Biochemistry, Genetics and Molecular Biology 17 11%
Medicine and Dentistry 7 4%
Pharmacology, Toxicology and Pharmaceutical Science 3 2%
Other 10 6%
Unknown 29 18%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. 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 22 July 2013.
All research outputs
#13,360,458
of 22,663,969 outputs
Outputs from Nature Neuroscience
#4,337
of 5,206 outputs
Outputs of similar age
#145,258
of 243,563 outputs
Outputs of similar age from Nature Neuroscience
#42
of 62 outputs
Altmetric has tracked 22,663,969 research outputs across all sources so far. This one is in the 39th percentile – i.e., 39% of other outputs scored the same or lower than it.
So far Altmetric has tracked 5,206 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 52.9. This one is in the 15th percentile – i.e., 15% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 243,563 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 38th percentile – i.e., 38% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 62 others from the same source and published within six weeks on either side of this one. This one is in the 29th percentile – i.e., 29% of its contemporaries scored the same or lower than it.