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Search: authors:"Keiko Tadokoro"

4 papers found.
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Protein binding of a DRPLA family through arginine-glutamic acid dipeptide repeats is enhanced by extended polyglutamine

Dentatorubral-pallidoluysian atrophy (DRPLA) is one of the hereditary neurodegenerative disorders caused by expansion of CAG/glutamine repeats. To investigate the normal function of the DRPLA gene and the pathogenic mechanism of neuron death in specific areas of the brain, we isolated and analyzed a gene that shares a notable motif with DRPLA, arginine-glutamic acid (RE...

Transdifferentiation of the retinal pigment epithelia to the neural retina by transfer of the Pax6 transcriptional factor

The Pax6 gene plays an important role in eye morphogenesis throughout the animal kingdom. The Pax6 gene and its homologue could form ectopic eyes by targeted expression in Drosophila and Xenopus. Thus, this gene is a master gene for the eye morphogenesis at least in these animals. In the early development of the vertebrate eye, Pax6 is required for the instruction of...

The Pax6 isoform bearing an alternative spliced exon promotes the development of the neural retinal structure

The vertebrate retina has an area where visual cells are closely packed for proper vision that is known as a fovea, an area centralis or a visual streak. The molecular mechanism that regulates the formation of these structures and visual cell gradients is unknown. The transcription factor Pax6 is a master regulator of eye development. A Pax6 isoform that contains an exon 5a...

A Unique Origin and Multistep Process for the Generation of Expanded DRPLA Triplet Repeats

Dentatorubral and pallidoluysian atrophy (DRPLA) is an autosomal dominant neurodegenerative disorder associated with the expansion of a CAG repeat at chromosome band 12p13. Epidemiological studies have demonstrated an increased prevalence of DRPLA in Japan, although several DRPLA kindreds of non-Japanese ancestry have been identified. To define the molecular basis for this...