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We have examined the genetic mechanisms that regulate dorsal-ventral identity in the embryonic mouse telencephalon and, in particular, the specification of progenitors in the cerebral cortex and striatum. The respective roles of Pax6 and Gsh2 in cortical and striatal development were studied in single and double loss-of-function mouse mutants. Gsh2 gene(More)
We have examined the role of the two closely related homeobox genes Gsh1 and Gsh2, in the development of the striatum and the olfactory bulb. These two genes are expressed in a partially overlapping pattern by ventricular zone progenitors of the ventral telencephalon. Gsh2 is expressed in both of the ganglionic eminences while Gsh1 is largely confined to(More)
In order to identify molecular mechanisms involved in striatal development, we employed a subtraction cloning strategy to enrich for genes expressed in the lateral versus the medial ganglionic eminence. Using this approach, the homeobox gene Meis2 was found highly expressed in the lateral ganglionic eminence and developing striatum. Since Meis2 has recently(More)
The forkhead domain containing transcription factor BF-1 has been shown to play a major role in the correct development of the cerebral hemispheres in the mouse. BF-1 orthologs have been isolated from zebrafish and the cephalocordate amphioxus. In both species, BF-1 is expressed in the anterior neural tube. In zebrafish zBF-1 expression is restricted to(More)
The endoplasmic reticulum (ER) is central for protein synthesis and is the largest intracellular Ca2+ store in neurons. The neuronal ER is classically described to have a continuous lumen spanning all cellular compartments. This allows neuronal ER to integrate spatially separate events in the cell. Recent in vitro as well as in vivo findings, however,(More)
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