SLC6A4 and Hyperglycemia: Pappa2 (pappalysin 2), Ankrd2 (ankyrin repeat domain 2), Pla2g5 (phospholipase A2 group V), Slc6a4 (solute carrier family 6 member 4, serotonin transporter), and Prl5a1 (prolactin family 5 submaily a member 1) levels were also altered by maternal hyperglycemia, but diet had an effect only in normal pregnancies.