{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T16:47:55Z","timestamp":1777481275807,"version":"3.51.4"},"reference-count":56,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2023,1,19]],"date-time":"2023-01-19T00:00:00Z","timestamp":1674086400000},"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":["Cannabis &amp; Cannabinoid Research"],"published-print":{"date-parts":[[2024,4,1]]},"abstract":"<jats:sec>\n                    <jats:title>Introduction:<\/jats:title>\n                    <jats:p>Cannabidiol (CBD) has gained considerable public and scientific attention because of its known and potential medicinal properties, as well as its commercial success in a wide range of products. Although CBD lacks cannabimimetic intoxicating side effects in humans and fails to substitute for cannabinoid type-1 receptor (CB1R) agonists in laboratory animal models of drug discrimination paradigm, anecdotal reports describe it as producing a \u201cpleasant\u201d subjective effect in humans. Thus, we speculated that this phytocannabinoid may elicit distinct subjective effects. Accordingly, we investigated whether mice would learn to discriminate CBD from vehicle. Additionally, we examined whether CBD may act as a CB1R allosteric and whether it would elevate brain endocannabinoid concentrations.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods:<\/jats:title>\n                    <jats:p>C57BL\/6J mice underwent discrimination training of either CBD or the high-efficacy CB1R agonist CP55,940 from vehicle. Additionally, we examined whether CBD or the CB1R-positive allosteric modulator ZCZ011 would alter the CP55,940 discriminative cue. Finally, we tested whether an acute CBD injection would elevate endocannabinoid levels in brain, and also quantified blood and brain levels of CBD.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>Mice failed to discriminate high doses of CBD from vehicle following 124 training days, though the same subjects subsequently acquired CP55,940 discrimination. In a second group of mice trained to discriminate CP55,940, CBD neither elicited substitution nor altered response rates. A single injection of 100 or 200\u2009mg\/kg CBD did not affect brain levels of endogenous cannabinoids and related lipids and resulted in high drug concentrations in blood and whole brain at 0.5\u2009h and continued to increase at 3\u2009h.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Discussion:<\/jats:title>\n                    <jats:p>CBD did not engender an interoceptive stimulus, did not disrupt performance in a food-motivated operant task, and lacked apparent effectiveness in altering brain endocannabinoid levels or modulating the pharmacological effects of a CB1R agonist. These findings support the assertions that CBD lacks abuse liability and its acute administration does not appear to play a functional role in modulating key components of the endocannabinoid system in whole animals.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1089\/can.2022.0198","type":"journal-article","created":{"date-parts":[[2023,1,19]],"date-time":"2023-01-19T11:10:30Z","timestamp":1674126630000},"page":"581-590","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":5,"title":["Investigation of Cannabidiol in the Mouse Drug Discrimination Paradigm"],"prefix":"10.1177","volume":"9","author":[{"given":"Mohammed A.","family":"Mustafa","sequence":"first","affiliation":[{"name":"Department of Pharmacology and Toxicology, and Virginia Commonwealth University, Richmond, Virginia, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Justin L.","family":"Poklis","sequence":"additional","affiliation":[{"name":"Department of Pharmacology and Toxicology, and Virginia Commonwealth University, Richmond, Virginia, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kimberly N.","family":"Karin","sequence":"additional","affiliation":[{"name":"Department of Pharmacology and Toxicology, and Virginia Commonwealth University, Richmond, Virginia, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jayden A.","family":"Elmer","sequence":"additional","affiliation":[{"name":"Department of Pharmacology and Toxicology, and Virginia Commonwealth University, Richmond, Virginia, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joseph H.","family":"Porter","sequence":"additional","affiliation":[{"name":"Department of Psychology, Virginia Commonwealth University, Richmond, Virginia, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Victoria","family":"Parra","sequence":"additional","affiliation":[{"name":"Department of Pharmaceutical Sciences, Texas A&amp;M, College Station, Texas, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dai","family":"Lu","sequence":"additional","affiliation":[{"name":"Department of Pharmaceutical Sciences, Texas A&amp;M, College Station, Texas, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joel E.","family":"Schlosburg","sequence":"additional","affiliation":[{"name":"Department of Pharmacology and Toxicology, and Virginia Commonwealth University, Richmond, Virginia, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aron H.","family":"Lichtman","sequence":"additional","affiliation":[{"name":"Department of Pharmacology and Toxicology, and Virginia Commonwealth University, Richmond, Virginia, USA."},{"name":"Department of Medicinal Chemistry, Virginia Commonwealth University, Richmond, Virginia, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2023,1,19]]},"reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/S1474-4422(15)00379-8"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1111\/epi.17036"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1111\/epi.17000"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.1001\/jamaneurol.2020.4607"},{"key":"e_1_3_3_6_2","doi-asserted-by":"publisher","DOI":"10.1097\/j.pain.0000000000002269"},{"key":"e_1_3_3_7_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1476-5381.2010.01063.x"},{"key":"e_1_3_3_8_2","doi-asserted-by":"publisher","DOI":"10.1186\/s12967-021-02891-6"},{"key":"e_1_3_3_9_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.neubiorev.2016.12.033"},{"key":"e_1_3_3_10_2","doi-asserted-by":"publisher","DOI":"10.3389\/fphar.2020.00561"},{"key":"e_1_3_3_11_2","first-page":"3083","article-title":"Therapeutic claims in cannabidiol (CBD) marketing messages on Twitter","author":"Soleymanpour M","year":"2022","unstructured":"Soleymanpour M, , Saderholm S, , Kavuluru R. 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