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Vesicular and cytoplasmic localization of neurotensin-like immunoreactivity (NTLI) in neurons postsynaptic to terminals containing NTLI and/or tyrosine hydroxylase in the rat central nucleus of the amygdala by V. E. Bayer; A. C. Towle; V. M. Pickel is a Neuroscience article available to read on EtoBox.

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Neurotensin and catecholamines in the central nucleus of the amygdala (CNA) have both been implicated in the integration of autonomic responses to stress. We examined whether there might be a cellular substrate for interactions involving these putative neurotransmitters in the CNA. Sections of acroleinfixed rat brain were processed either (1) for the ultrastructural localization of a rat antiserum against neurotensin using the peroxidase-antiperoxidase (PAP) method, or (2) for the dual localization of rat neurotensin antiserum and rabbit antiserum against the catecholamine-synthesizing enzyme, tyrosine hydroxylase (TH), using the PAP method and immunoautoradiography . The rat polyclonal antiserum against neurotensin was shown in immunoblots to recognize neuromedin N and Lys-Arg-neurotensin (LANT-6) in addition to neurotensin. In single and dual labeling studies, the neurotensin-like immunoreactivity (NTLI) was detected in perikarya and processes. The NTLI was localized predominantly to dense core vesicles in one group of perikarya and dendrites, while a second group had labeling both in dense core vesicles and more diffusely throughout the cytoplasm. Terminals also showed NTLI, par

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Author

V. E. Bayer; A. C. Towle; V. M. Pickel

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0360-4012)

Published

1991

Language

EN

Field

Neuroscience (Life Sciences)