Phenylketonuria Biochemistry

Imaging Gross Pathology Micro Pathology A 7-year-old female presents with anxiety, dizziness, sweating, and nausea following brief episodes of exercise. These symptoms are relieved by eating and do not occur if the patient is frequently fed small meals. Hypoglycemia following brief fasting alanine fails to increase blood sugar fructose or glycerol administration restores blood glucose to normal. Liver biopsy for enzyme assays reveals deficiency of phosphoenolpyruvate carboxykinase, an enzyme of...