One of our microarray studies7 revealed that of the 21 ZnT that were interrogated using the U133 Plus 2.0 array there were small but significant changes in levels of SLC39A1, SLC39A12, SLC30A3, and SLC30A10 mRNA in subjects with schizophrenia with effect between −4.0% and 4.6%, respectively. This evidence concerns the gene SLC39A1 and schizophrenia.