Journal
NEUROSCIENCE RESEARCH
Volume 88, Issue -, Pages 23-27Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.neures.2014.08.001
Keywords
Neuronal migration; Reelin; Dab1; Monoclonal antibody
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Funding
- Ministry of Education, Culture, Sports, Science and Technology [KAKENHI 22390016, 23123519, 22890155, 24790081]
- Takeda Science Foundation
- Grants-in-Aid for Scientific Research [22890155, 24790081, 23123519] Funding Source: KAKEN
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The Reelin-Dab1 pathway plays important roles in the development of central nervous system. In the autosomal recessive mutant mouse yotari, there is a replacement of a part of Dab1 gene with a long interspersed nuclear element fragment, and it was previously suggested that no protein derived from this gene was present. We here show that an aberrant fragment of Dab1 protein (p64/60) is present in the brain of yotari mouse. The amount of p64/60 is relatively abundant in the embryonic stages and decreased in the postnatal ones. Unlike wild-type Dab1 protein, p64/60 is not phosphorylated by Fyn kinase and localizes considerably to the nucleus. These data suggested that some phenotypes of yotari may be attributable to the presence of p64/60. It also raises a caveat that a tissue from yotari is not a perfect control for immunostaining of Dab1 protein. (C) 2014 Elsevier Ireland Ltd and the Japan Neuroscience Society. All rights reserved.
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