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9. Differential diagnosis of hyperphenylalaninaemia by a combined phenylalanine-tetrahydrobiopterin loading test. Ponzone A; Guardamagna O; Spada M; Ferraris S; Ponzone R; Kierat L; Blau N Eur J Pediatr; 1993 Aug; 152(8):655-61. PubMed ID: 8404969 [TBL] [Abstract][Full Text] [Related]
10. Dihydrobiopterin synthesis defect: an adult with diurnal fluctuation of symptoms. Tanaka K; Yoneda M; Nakajima T; Miyatake T; Owada M Neurology; 1987 Mar; 37(3):519-22. PubMed ID: 2434882 [TBL] [Abstract][Full Text] [Related]
11. Hyperphenylalaninemia and pterin metabolism in serum and erythrocytes. Ponzone A; Guardamagna O; Spada M; Ponzone R; Sartore M; Kierat L; Heizmann CW; Blau N Clin Chim Acta; 1993 Jul; 216(1-2):63-71. PubMed ID: 8222274 [TBL] [Abstract][Full Text] [Related]
12. GTP cyclohydrolase I deficiency, a new enzyme defect causing hyperphenylalaninemia with neopterin, biopterin, dopamine, and serotonin deficiencies and muscular hypotonia. Niederwieser A; Blau N; Wang M; Joller P; Atarés M; Cardesa-Garcia J Eur J Pediatr; 1984 Feb; 141(4):208-14. PubMed ID: 6734669 [TBL] [Abstract][Full Text] [Related]
13. Pterin metabolism in normal subjects and hyperphenylalaninaemic patients. Dhondt JL; Farriaux JP; Largilliere C; Dautrevaux M; Ardouin P J Inherit Metab Dis; 1981; 4(2):47-8. PubMed ID: 6790841 [TBL] [Abstract][Full Text] [Related]
14. Disorders of biopterin metabolism. Longo N J Inherit Metab Dis; 2009 Jun; 32(3):333-42. PubMed ID: 19234759 [TBL] [Abstract][Full Text] [Related]
15. Combined tetrahydrobiopterin-phenylalanine loading test in the detection of partially defective biopterin synthesis. Güttler F; Lou H; Lykkelund C; Niederwieser A Eur J Pediatr; 1984 Jun; 142(2):126-9. PubMed ID: 6468427 [TBL] [Abstract][Full Text] [Related]
16. Neonatal hyperphenylalaninaemia presumably caused by a new variant of biopterin synthetase deficiency. Dhondt JL; Guibaud P; Rolland MO; Dorche C; Andre S; Forzy G; Hayte JM Eur J Pediatr; 1988 Feb; 147(2):153-7. PubMed ID: 3366132 [TBL] [Abstract][Full Text] [Related]
17. Use of tetrahydropterins in the treatment of hyperphenylalaninemia due to defective synthesis of tetrahydrobiopterin: evidence that peripherally administered tetrahydropterins enter the brain. Kaufman S; Kapatos G; McInnes RR; Schulman JD; Rizzo WB Pediatrics; 1982 Sep; 70(3):376-80. PubMed ID: 7110811 [TBL] [Abstract][Full Text] [Related]
18. Hyperphenylalaninemia due to deficiency of 6-pyruvoyl tetrahydropterin synthase. Unusual gene dosage effect in heterozygotes. Scriver CR; Clow CL; Kaplan P; Niederwieser A Hum Genet; 1987 Oct; 77(2):168-71. PubMed ID: 3308682 [TBL] [Abstract][Full Text] [Related]
19. The enzyme that synthesizes tetrahydrobiopterin from 6-pyruvoyl-tetrahydropterin in the lemon mutant silkworm consists of two carbonyl reductases. Iino T; Takikawa SI; Yamamoto T; Sawada H Arch Biochem Biophys; 2000 Jan; 373(2):442-6. PubMed ID: 10620370 [TBL] [Abstract][Full Text] [Related]