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Neurosci Res ; 88: 23-7, 2014 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-25149914


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.

Encéfalo/metabolismo , Proteínas do Tecido Nervoso/metabolismo , Neurônios/metabolismo , Transdução de Sinais/fisiologia , Animais , Moléculas de Adesão Celular Neuronais/metabolismo , Células Cultivadas , Proteínas da Matriz Extracelular/metabolismo , Camundongos , Proteínas do Tecido Nervoso/genética , Fenótipo , Serina Endopeptidases/metabolismo , Tirosina/metabolismo