Abstract
The retrograde transport-HRP-immunocytochemical technique was employed to ascertain if the periaqueductal gray-raphe magnus projection arises from neurons containing somatostatin, neurotensi, serotonin or cholecystokinin. Following HRP injections into the raphe magnus (NRM) double-labeled cells containing HRP reaction product and somatostatin-, neurotensin- or serotonin-like immunoreactivity were identified in the midbrain periaqueductal gray (PAG). No cholecystokinin-like immunoreactive double-labeled neurons were found in the PAG. These results indicate that the PAG-NRM pathway contains somatostatin, neurotensin and serotonin but not cholecystokinin.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 132-137 |
| Number of pages | 6 |
| Journal | Brain Research |
| Volume | 261 |
| Issue number | 1 |
| DOIs | |
| State | Published - Feb 14 1983 |
Bibliographical note
Funding Information:This work was supported by NSF Grant BSN 7906486 and in part by USPHS Grant NS 17401.
Keywords
- cholecystokinin
- neurotensin
- nucleus raphe magnus
- serotonin
- somatostatin
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