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"Fierce" mice, homozygous for the deletion of nuclear receptor 2E1 (NR2E1), show abnormal brain-eye development and pathological aggression. To evaluate functional equivalency between mouse and human NR2E1, we generated mice transgenic for a genomic clone spanning the human NR2E1 locus and bred these animals to fierce mice deleted for the corresponding(More)
We have previously demonstrated that the apoptotic signaling pathway in K(+)-deprived cerebellar granule neurons involves a caspase-dependent cleavage of the retinoblastoma protein (Rb). Here, we have further investigated the functional consequences of this cleavage on two Rb-binding partners: the oncoprotein Mdm2 and the transcription factor E2F-1. A K(+)(More)
To investigate the molecular mechanisms underlying brain-derived neurotrophic factor (BDNF)-controlled synaptic plasticity, we studied beta2-adrenergic receptor (beta2-AR) expression in cultured cerebellar granule cells. We show that, depending on the state of depolarization, BDNF exerts opposite effects on beta2-AR expression. In neurons maintained in low(More)
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