Abstract:
:Amine neurotransmitters, such as dopamine, serotonin, and noradrenaline, play important roles in the modulation of behaviors and metabolism of animals. InC. elegans, it has been shown that serotonin and octopamine, an invertebrate equivalent of noradrenaline, also regulate lifespan through a mechanism related to food deprivation-mediated lifespan extension. We have shown recently that dopamine signaling, activated by the tactile perception of food, suppresses octopamine signaling and that the cessation of dopamine signaling in the absence of food leads to activation of octopamine signaling. Here, we discuss the apparent conservation of neural and molecular mechanisms for dopamine regulation of octopamine/noradrenaline signaling and a possible role for dopamine in lifespan regulation.
journal_name
Aging (Albany NY)journal_title
Agingauthors
Suo S,Culotti JG,Van Tol HHdoi
10.18632/aging.100097subject
Has Abstractpub_date
2009-10-21 00:00:00pages
870-4issue
10issn
1945-4589journal_volume
1pub_type
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