PMID- 10718272 OWN - NLM STAT- MEDLINE DCOM- 20000419 LR - 20190910 IS - 0735-7044 (Print) IS - 0735-7044 (Linking) VI - 114 IP - 1 DP - 2000 Feb TI - Dopamine D2 receptors in the nucleus accumbens are important for social attachment in female prairie voles (Microtus ochrogaster). PG - 173-83 AB - The prairie vole (Microtus ochrogaster), a monogamous rodent that forms long-lasting pair bonds, has proven useful for the neurobiological study of social attachment. In the laboratory, pair bonds can be assessed by testing for a partner preference, a choice test in which pair-bonded voles regularly prefer their partner to a conspecific stranger. Studies reported here investigate the role of dopamine D2-like receptors (i.e., D2, D3, and D4 receptors) in the nucleus accumbens (NAcc) for the formation of a partner preference in female voles. Mating facilitated partner preference formation and associated with an approximately 50% increase in extracellular dopamine in the NAcc. Microinjection of the D2 antagonist eticlopride into the NAcc (but not the prelimbic cortex) blocked the formation of a partner preference in mating voles, whereas the D2 agonist quinpirole facilitated formation of a partner preference in the absence of mating. Taken together, these results suggest that D2-like receptors in the NAcc are important for the mediation of social attachments in female voles. FAU - Gingrich, B AU - Gingrich B AD - Department of Psychiatry and Behavioral Sciences, Emory University, Atlanta, Georgia 30322, USA. FAU - Liu, Y AU - Liu Y FAU - Cascio, C AU - Cascio C FAU - Wang, Z AU - Wang Z FAU - Insel, T R AU - Insel TR LA - eng GR - R01-MH56539/MH/NIMH NIH HHS/United States GR - R29-MH54554/MH/NIMH NIH HHS/United States PT - Journal Article PT - Research Support, Non-U.S. Gov't PT - Research Support, U.S. Gov't, P.H.S. PL - United States TA - Behav Neurosci JT - Behavioral neuroscience JID - 8302411 RN - 0 (Receptors, Dopamine D2) SB - IM MH - Animals MH - Arvicolinae/*physiology MH - Brain Mapping MH - Female MH - Nucleus Accumbens/*physiology MH - *Pair Bond MH - Receptors, Dopamine D2/*physiology MH - Sexual Behavior, Animal/physiology MH - *Social Behavior EDAT- 2000/03/16 09:00 MHDA- 2000/04/25 09:00 CRDT- 2000/03/16 09:00 PHST- 2000/03/16 09:00 [pubmed] PHST- 2000/04/25 09:00 [medline] PHST- 2000/03/16 09:00 [entrez] AID - 10.1037//0735-7044.114.1.173 [doi] PST - ppublish SO - Behav Neurosci. 2000 Feb;114(1):173-83. doi: 10.1037//0735-7044.114.1.173.