Neuropeptides of the human magnocellular hypothalamus

Pałasz, A. and Della Vecchia, A. and Saganiak, K. and Worthington, J.J. (2021) Neuropeptides of the human magnocellular hypothalamus. Journal of Chemical Neuroanatomy, 117: 102003.

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Hypothalamic magnocellular nuclei with their large secretory neurons are unique and phylogenetically conserved brain structures involved in the continual regulation of important homeostatic and autonomous functions in vertebrate species. Both canonical and newly identified neuropeptides have a broad spectrum of physiological activity at the hypothalamic neuronal circuit level located within the supraoptic (SON) and paraventricular (PVN) nuclei. Magnocellular neurons express a variety of receptors for neuropeptides and neurotransmitters and therefore receive numerous excitatory and inhibitory inputs from important subcortical neural areas such as limbic and brainstem populations. These unique cells are also densely innervated by axons from other hypothalamic nuclei. The vast majority of neurochemical maps pertain to animal models, mainly the rodent hypothalamus, however accumulating preliminary anatomical structural studies have revealed the presence and distribution of several neuropeptides in the human magnocellular nuclei. This review presents a novel and comprehensive evidence based evaluation of neuropeptide expression in the human SON and PVN. Collectively this review aims to cast a new, medically oriented light on hypothalamic neuroanatomy and contribute to a better understanding of the mechanisms responsible for neuropeptide-related physiology and the nature of possible neuroendocrinal interactions between local regulatory pathways.

Item Type:
Journal Article
Journal or Publication Title:
Journal of Chemical Neuroanatomy
Additional Information:
This is the author’s version of a work that was accepted for publication in Journal of Chemical Neuroanatomy . Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Chemical Neuroanatomy, 117, 2021 DOI: 10.1016/j.jchemneu.2021.102003
Uncontrolled Keywords:
?? hypothalamusmagnocellular nucleineurochemistryneuropeptidescellular and molecular neuroscience ??
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Deposited On:
07 Sep 2021 13:25
Last Modified:
15 Jul 2024 21:51