Background This study aimed to explore the value of applying a new pterin marker (isoxanthopterin) to the traditional urine pterin analysis to reduce the rate of mis-diagnosis of 6-pyruvoyltetrahydropterin synthase de...
Hyperphenylalaninemia is one of the commonest inborn errors of metabolism affecting approximately 1 in 15 000 live births. Among Chinese, BH4 deficiency leading to hyperphenylalaninemia is much commoner than in Caucas...
theShanghaiScientificandTechnologyCommittee (No .95 41190 3)
Abstract Objectives To assess the incidence of tetrahydrobiopterin (BH4)deficiency among patients with hyperphenylalaninemia (HPA) in southern Chinese and evaluate clinical outcome and gene mutations in tetrahydrobi...
A study on incidence of phenylketonuria (PKU) by neonatal screening was done in Shanghai. Twenty-one cases of PKU out of 358767 newborns screened during 7 years were comfirmed with the incidence of about 1/17000. This...