Three genetically different endorphin peptide families are proopiomelanocortin (POMC), proenkephalins, and prodynorphin {dynorphin}. Dynorphin peptides act like opioids. Gut, posterior pituitary, hypothalamus, basal ganglia, and brainstem make prodynorphin. Leucine-enkephalin leads to dynorphin. Dynorphin in nucleus accumbens neurons inhibits VTA neurons and so reduces dopamine.
Biological Sciences>Zoology>Organ>Nerve>Neural Chemical>Hormone
4-Zoology-Organ-Nerve-Neural Chemical-Hormone
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Date Modified: 2022.0224