SLC6A3 and vitamin D deficiency: Developmental vitamin D deficiency in rats induces increase in dopamine content in the cortex and hypothalamus, and increase in dihydroxyphenylacetic (DOPAC) acid (one of the main metabolites of dopamine) and noradrenalin levels in the cortex,24 increase in dopamine transporter density in the striatum and of affinity in the nucleus accumbens.25