Lateral Hypothalamus GABAergic Neurons Modulate Consummatory Behaviors Regardless of the Caloric Content or Biological Relevance of the Consumed Stimuli

TitleLateral Hypothalamus GABAergic Neurons Modulate Consummatory Behaviors Regardless of the Caloric Content or Biological Relevance of the Consumed Stimuli
Publication TypeJournal Article
Year of Publication2016
AuthorsNavarro M, Olney JJ, Burnham NW, Mazzone CM, Lowery-Gionta EG, Pleil KE, Kash TL, Thiele TE
JournalNeuropsychopharmacology
Volume41
Issue6
Pagination1505-12
Date Published2016 May
ISSN1740-634X
KeywordsAlcohol Drinking, Animals, Bulimia, Consummatory Behavior, Drinking, Energy Intake, Feeding Behavior, Female, Food, GABAergic Neurons, Hypothalamus, Male, Mice, Mice, Inbred C57BL, Mice, Transgenic
Abstract

It was recently reported that activation of a subset of lateral hypothalamus (LH) GABAergic neurons induced both appetitive (food-seeking) and consummatory (eating) behaviors in vGat-ires-cre mice, while inhibition or deletion of GABAergic neurons blunted these behaviors. As food and caloric-dense liquid solutions were used, the data reported suggest that these LH GABAergic neurons may modulate behaviors that function to maintain homeostatic caloric balance. Here we report that chemogenetic activation of this GABAergic population in vGat-ires-cre mice increased consummatory behavior directed at any available stimulus, including those entailing calories (food, sucrose, and ethanol), those that do not (saccharin and water), and those lacking biological relevance (wood). Chemogenetic inhibition of these neurons attenuated consummatory behaviors. These data indicate that LH GABAergic neurons modulate consummatory behaviors regardless of the caloric content or biological relevance of the consumed stimuli.

DOI10.1038/npp.2015.304
Alternate JournalNeuropsychopharmacology
PubMed ID26442599
PubMed Central IDPMC4832010
Grant ListAA023559 / AA / NIAAA NIH HHS / United States
F32 AA021043 / AA / NIAAA NIH HHS / United States
AA020911 / AA / NIAAA NIH HHS / United States
MH105892 / MH / NIMH NIH HHS / United States
AA022048 / AA / NIAAA NIH HHS / United States
K99 AA023559 / AA / NIAAA NIH HHS / United States
AA015148 / AA / NIAAA NIH HHS / United States
AA019454 / AA / NIAAA NIH HHS / United States
P60 AA011605 / AA / NIAAA NIH HHS / United States
F31 AA023440 / AA / NIAAA NIH HHS / United States
AA011605 / AA / NIAAA NIH HHS / United States
AA022549 / AA / NIAAA NIH HHS / United States
P30 DK056350 / DK / NIDDK NIH HHS / United States
AA013573 / AA / NIAAA NIH HHS / United States
AA022044 / AA / NIAAA NIH HHS / United States