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  • 2005-2009  (1)
  • 1965-1969  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 217 (1968), S. 380-381 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Recently we have been able to study the associations between C. tricolor Lesueur and D. venosus (H. M. Edwards) in the Caribbean, and C. polypus Forskal and D. gemmatus (H. M. Edwards) at Hawaii. C. tricolor showed a response to shells that was similar to C. parasitica that is, it could transfer to ...
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Protein kinase B and glycogen synthase kinase-3 have been identified as susceptibility genes for schizophrenia and altered protein and mRNA levels have been detected in the brains of schizophrenics post-mortem. Recently, we reported that haloperidol, clozapine and risperidone alter glycogen synthase kinase-3 and β-catenin protein expression and glycogen synthase kinase-3 phosphorylation levels in the rat prefrontal cortex and striatum. In the current study, β-catenin, adenomatous polyposis coli, Wnt1, dishevelled and glycogen synthase kinase-3 were examined in the ventral midbrain and hippocampus using western blotting. In addition, β-catenin and GSK-3 were examined in the substantia nigra and ventral tegmental area using confocal and fluorescence microscopy. The results indicate that repeated antipsychotic administration results in significant elevations in glycogen synthase kinase-3, β-catenin and dishevelled-3 protein levels in the ventral midbrain and hippocampus. Raclopride causes similar changes in β-catenin and GSK-3 in the ventral midbrain, suggesting that D2 dopamine receptor antagonism mediated the changes observed following antipsychotic administration. In contrast, amphetamine, a drug capable of inducing psychotic episodes, had the opposite effect on β-catenin and GSK-3 in the ventral midbrain. Collectively, the results suggest that antipsychotics may exert their beneficial effects through modifications to proteins that are associated with the canonical Wnt pathway.
    Type of Medium: Electronic Resource
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