Hippocampus-like corticoneurogenesis induced by two isoforms of the BTB-zinc finger geneZbtb20in mice
Cerebral Cortex
0301 basic medicine
Pyramidal Cells
Mice, Transgenic
Zinc Fingers
Hippocampus
Transgenic
Mice
03 medical and health sciences
Cell Movement
Animals
Protein Isoforms
Transcription Factors
DOI:
10.1242/dev.000265
Publication Date:
2007-02-15T01:18:35Z
AUTHORS (5)
ABSTRACT
Hippocampus-associated genes that orchestrate the formation of compact stratum pyramidale are largely unknown. The BTB (broad complex, tramtrack,bric-a-brac)-zinc finger gene Zbtb20 (also known as HOF, Znf288,Zfp288) encodes two protein isoforms, designated Zbtb20S and Zbtb20L, which expressed in newborn pyramidal neurons presumptive hippocampus mice. Here, we have generated transgenic mice with ectopic expression Zbtb20L immature differentiated from multipotent non-hippocampal precursors. subiculum posterior retrosplenial areas these were transformed into a three-layered hippocampus-like cortex homogenous cell layer. Severe malformations lamination occur neocortical areas, coincide deficiency cortical markers. alterations cytoarchitecture result behavioral abnormalities suggestive deficient processing visual spatial memory cues cerebral adult Overall,our vivo data suggest functions molecular switch for pathway induces invariant neuron morphogenesis suppression fate transitions neurons.
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