Inhibitory Effect of Growth Hormone on Some Vitamin B6 Enzyme Systems of Escherichia Coli

Effect of maternal pyridoxine ingestion on cord blood 5-hydroxytryptamine concentration.

“…A possible alternative explanation stems from the finding that a variety of hormones can interfere with pyridoxine-dependent enzymes (Yamada, Yazaki, Sawaki, and Utumi, 1958;Jolles-Bergeret, La-Bouesse, and Chatagner, 1960;Scardi, Iaccarino, and Scarano, 1962). In particular, Mason and Schirch (1961) have shown that oestrogens will inhibit 5HTPD in vitro.…”