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  • Title: Immunohistochemical evidence for phenylethanolamine-N-methyltransferase-positive/tyrosine hydroxylase-negative neurones in the retina and the posterior hypothalamus of the rat.
    Author: Foster GA, Hökfelt T, Coyle JT, Goldstein M.
    Journal: Brain Res; 1985 Mar 18; 330(1):183-8. PubMed ID: 2859084.
    Abstract:
    Phenylethanolamine-N-methyltransferase (PNMT)-immunoreactive neurons were observed in the inner nuclear layer of the rat retina, apparently giving rise to fiber networks mainly in layer 3 of the inner plexiform layer. These neurons did not seem to contain tyrosine hydroxylase (TH)-like or dopamine-beta-hydroxylase (DBH)-like immunoreactivity and were much smaller and more numerous than the previously described TH-positive dopamine neurons. PNMT-positive, but TH- and DBH-negative neurons were also observed in small numbers in the basal posterior hypothalamus.
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