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In animals and several cellular models of synaptic plasticity, long-lasting changes in synaptic strength are dependent on gene transcription and translation. Here we demonstrate that Pim-1, a serine/threonine kinase closely related to Pim-2 and Pim-3, is induced in hippocampus in response to stimuli that evoke long-term potentiation (LTP). Mice deficient(More)
Targeted ectopic expression of genes in the adult brain is an invaluable approach for studying many biological processes. This can be accomplished by generating transgenic mice or by virally mediated gene transfer, but these methods are costly and labor intensive. We devised a rapid strategy that allows localized in vivo transfection of plasmid DNA within(More)
We have used proviral tagging in tumor-prone transgenic mice to identify collaborating oncogenes and genes contributing to tumor progression. This has yielded a series of oncogenes that could be assigned to different complementation groups in transformation: the myc, Pim, Bmi1, and Frat1 complementation groups. Frat1 is involved in tumor progression and(More)
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