Abstract
The effect of insulin on blood phenylalanine, tyrosine and catecholamine levels was investigated in six phenylketonuric patients and eight normal controls. The plasma phenylalanine-tyrosine ratio was lower after insulin injection in five of six patients. In four patients the plasma catecholamine concentrations increased. The tyramine level was remarkably high one hour after insulin injection. Urinary homovanillic acid was elevated in four patients. It appeared that insulin treatment produced some therapeutic effects in patients with smaller phenylalanine-tyrosine ratios or elevated catecholamine levels.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
