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Each experimental group was repeatedly exposed to METH for nine consecutive days to induce the development of behavioral sensitization, followed by four days of withdrawal (without the METH treatment) to induce the transfer of behavioral sensitization, then given 0.5\u00a0mg\/kg of METH to undergo the expression of behavioral sensitization. Altered locomotor and stereotypic behaviors were measured daily via open\u2010field experiments during the development and expression stages, and weight changes were also recorded. Then, the Western blot method was used to detect the expression levels of D3R and DAT in three brain regions: the nucleus accumbens, prefrontal cortex, and dorsal striatum 24\u00a0hr after the last behavioral test.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>METH administration augmented motor\u2010stimulant responses and stereotypic behaviors in all experimental groups, and stereotypic behaviors intensified more in the groups treated with 2 and 4\u00a0mg\/kg METH. Motion distance, speed, and trajectory were significantly elevated in all experimental, however, METH at 4\u00a0mg\/kg induced more stereotypic behaviors, decreasing these locomotor activities as compared with the 2\u00a0mg\/kg METH group. 2 and 4\u00a0mg\/kg METH significantly upregulated and downregulated D3R and DAT expression levels, respectively, in three brain regions, and these changes are more pronounced in 2\u00a0mg\/kg METH.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>These results indicated that this animal model may be used to study the neurobiological mechanisms that underly the development and expression of behavioral sensitization to METH. Deregulated D3R and DAT expression may be involved in the METH\u2010induced behavioral sensitization.<\/jats:p><\/jats:sec>","DOI":"10.1002\/brb3.1533","type":"journal-article","created":{"date-parts":[[2020,1,14]],"date-time":"2020-01-14T11:49:52Z","timestamp":1579002592000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Involvement of dopamine D3 receptor and dopamine transporter in methamphetamine\u2010induced behavioral sensitization in tree shrews"],"prefix":"10.1002","volume":"10","author":[{"given":"Jian","family":"Huang","sequence":"first","affiliation":[{"name":"School of Forensic Medicine Kunming Medical University Kunming China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Genmeng","family":"Yang","sequence":"additional","affiliation":[{"name":"School of Forensic Medicine Kunming Medical University Kunming 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