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Whether neocortical γ-aminobutyric acid (GABA) cells are composed of a limited number of distinct classes of neuron, or whether they are continuously differentiated with much higher diversity, remains a contentious issue for the field. Most GABA cells of rat frontal cortex have at least 1 of 6 chemical markers (parvalbumin, calretinin, alpha-actinin-2,(More)
Axon or dendrite degeneration involves activation of the ubiquitin-proteasome system, failure to maintain neuritic ATP levels, microtubule fragmentation and a mitochondrial permeability transition that occur independently of the somal death programs. To gain further insight into the neurite degeneration mechanims we have compared two-dimensional gel(More)
A robust feature of mammalian aging associated with diminished motor control is the loss of dopamine D2 receptors from the neostriatum. Decline in this neurotransmitter receptor is also observed in neurodegenerative disorders, such as Huntington's disease and late-stage Parkinson's disease. We have constructed a replication-deficient adenoviral vector to(More)
Accumulating evidence indicates that neurite degeneration occurs via a distinct mechanism from somal death programs. We have previously shown that neuritic ATP level in sympathetic neurons decreases, whereas somal ATP level remains unaltered during degeneration caused by the microtubule-disrupting agent, vinblastine. Moreover, caspase activation occurs only(More)
  • S Kato
  • 2000
Nuclear receptors for vitamins A and D belong to the nuclear hormone receptor superfamily and act as ligand-inducible transcription factors. Therefore, most of the biological actions of vitamins A and D are now considered to be exerted through nuclear vitamin receptor-mediated gene expression. The vitamin A nuclear receptors compromise six members, three(More)
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