Figure 5.

Dopamine and acetylcholine associated gene expression in VTA (a) and NAcc (b) after chronic ICV ghrelin or vehicle treatment. Data represent the mean of fold change relative to saline treatment. D1, dopamine D1 receptor; D2 dopamine D2 receptor; D3, dopamine D3 receptor; D5, dopamine D5 receptor; COMT, catechol-O-methyltransferase, TH tyrosine hydroxylase; and MAOA, monoamine oxidase A; nAChR, nicotinic acetylcholine receptor subunits α3 α6, β2, β3 *P < 0.05, **P < 0.005, ***P < 0.0005 from vehicle