{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T05:11:13Z","timestamp":1790831473442,"version":"4.1.0"},"reference-count":53,"publisher":"SAGE Publications","issue":"4","license":[{"start":{"date-parts":[[2011,5,31]],"date-time":"2011-05-31T00:00:00Z","timestamp":1306800000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Psychopharmacol"],"published-print":{"date-parts":[[2012,4]]},"abstract":"<jats:p>Involvement of the dopamine receptors in the basolateral amygdala (BLA) in the effects of histamine on anxiety-like behaviors of the elevated plus maze in male Wistar rats was investigated. The results showed that bilateral intra-BLA injections of histamine (2.5, 5 and 7.5 \u00b5g\/rat) induced an anxiogenic-like effect, revealed by decreases in percentage of open arm time (%OAT) and open arm entries (%OAE). Intra-BLA administration of dopamine D1 receptor agonist, SKF38393 (0.25 \u00b5g\/rat), and dopamine D2 receptor agonist, quinpirole (0.03 and 0.05 \u00b5g\/rat), decreased %OAT but not %OAE. Conversely, intra-BLA administration of dopamine D1 receptor antagonist, SCH23390 (0.5 and 1 \u00b5g\/rat), and dopamine D2 receptor antagonist, sulpiride (0.3 and 0.5 \u00b5g\/rat), increased %OAT and %OAE, suggesting an anxiolytic-like effect for both drugs. Interestingly, co-administration of a silent dose of SCH23390 or sulpiride prevented anxiogenic-like effects of SKF38393 and quinpirole, respectively. Conjoint administration of a sub-effective dose of SKF38393 (0.125 \u00b5g\/rat) or quinpirole (0.01 \u00b5g\/rat) along with lower doses of histamine (1 and 2.5 \u00b5g\/rat) induced anxiolytic-like effects. On the other hand, intra-BLA pretreatment with a silent dose of SCH23390 (0.25 \u00b5g\/rat) or sulpiride (0.1 \u00b5g\/rat) prevented the anxiogenic-like effect of higher doses of histamine (5 and 7.5 \u00b5g\/rat). No significant change was observed in total closed arm entries, as an index for motor activity of the animals. It can be concluded that the dopamine D1 and D2 receptors in the BLA may be involved in the anxiogenic-like effects induced by histamine.<\/jats:p>","DOI":"10.1177\/0269881111405556","type":"journal-article","created":{"date-parts":[[2011,5,31]],"date-time":"2011-05-31T20:41:21Z","timestamp":1306874481000},"page":"564-574","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":48,"title":["D1 and D2 dopaminergic systems in the rat basolateral amygdala are involved in anxiogenic-like effects induced by histamine"],"prefix":"10.1177","volume":"26","author":[{"given":"Maryam","family":"Bananej","sequence":"first","affiliation":[{"name":"Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ahmad","family":"Karimi-Sori","sequence":"additional","affiliation":[{"name":"Department of Biology, Science and Research Branch, Islamic 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