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. 1987 Oct;84(20):7315–7318. doi: 10.1073/pnas.84.20.7315

Localization of neuropeptide Y mRNA in neurons of human cerebral cortex by means of in situ hybridization with a complementary RNA probe.

G Terenghi 1, J M Polak 1, Q Hamid 1, E O'Brien 1, P Denny 1, S Legon 1, J Dixon 1, C D Minth 1, S L Palay 1, G Yasargil 1, et al.
PMCID: PMC299283  PMID: 2444979

Abstract

The distribution of mRNA encoding neuropeptide Y (NPY) in neurons of the normal human cerebral cortex in surgical biopsy specimens and postmortem brain was studied by in situ hybridization techniques. A 32P-labeled complementary RNA (cRNA) probe was used on cryostat sections of 13 formaldehyde-fixed cortical biopsy specimens. Hybridization to NPY mRNA was found in all samples: after autoradiography, discrete deposits of silver granules were observed on neuronal cell bodies abundantly distributed in the deep layers of the cortex, particularly laminae IV and VI, and on smaller cell bodies in the white matter. The localization of the neurons hybridized for NPY mRNA was comparable to that of NPY-immunoreactive cells as shown in sections from the same tissue blocks immunostained by using NPY antibodies. The specificity of the in situ hybridization technique was confirmed by blot hybridization analysis of electrophoretically fractionated RNA. This study clearly demonstrated the consistent localization of NPY gene transcription and expression in normal mature human cortical neurons.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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