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Neuropeptide mRNA Expression in Human Basal Ganglia

  • G. Mengod
  • E. Ruberte
  • A. Probst
  • J. M. Palacios
Part of the Advances in Behavioral Biology book series (ABBI, volume 39)

Summary

We have examined the distribution in human basal ganglia of cells expressing mRNAs for several neuropeptides in control and diseased postmortem material by in situ hybridization histochemistry using 32P-labelled oligonucleotides as hybridization probes. In control cases, enkephalin mRNA showed a patchy-like distribution. Cells containing somatostatin mRNA and neuropeptide Y mRNA were scattered throughout the caudate and putamen in a very similar pattern. Cholecystokinin mRNA was not found in the striatum. In Parkinson’s disease, our preliminary results showed a decrease in the hybridization signal with the enkephalin probe. In contrast, somatostatin mRNA levels and neuropeptide Y levels did not exhibit significant changes. In Huntington’s chorea, we have observed a marked decrease in the levels of enkephalin mRNA in both caudate and putamen but not in the nucleus accumbens. In contrast, no alteration of the hybridization signal was observed for both somatostatin and neuropeptide Y mRNAs. These results show that in situ hybridization histochemistry is very useful for the study of the molecular anatomy of the human basal ganglia and their pathology.

Keywords

Basal Ganglion Nucleus Accumbens Hybridization Signal Postmortem Delay Hybridization Histochemistry 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Press, New York 1991

Authors and Affiliations

  • G. Mengod
    • 1
  • E. Ruberte
    • 1
    • 2
  • A. Probst
    • 3
  • J. M. Palacios
    • 1
  1. 1.Preclinical ResearchSandoz Pharma AGBaselSwitzerland
  2. 2.Faculté MédecineLab. Génétique Moléculaire CNRSStrasbourgFrance
  3. 3.Institut für Pathologie, Abteilung NeuropathologieUniversität BaselBaselSwitzerland

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