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Hydrogenated (reduced) pterins are found in all living organisms, where they are involved in key metabolic processes. Molybdenum in its biologically active form is bound to a fully reduced tetrahydropyranopterin referred to as a metal-binding pterin (MPT), forming the so-called molybdenum cofactor (Moco). Cyclic pyranopterin monophosphate (cPMP) is the… (More)
Molybdenum cofactor (MoCo) deficiency is a rare, autosomal-recessive disorder, mainly caused by mutations in MOCS1 (MoCo deficiency type A) or MOCS2 (MoCo deficiency type B) genes; the absence of active MoCo results in a deficiency in all MoCo-dependent enzymes. Patients with MoCo deficiency present with neonatal seizures, feeding difficulties, severe… (More)
BACKGROUND Molybdenum cofactor deficiency (MoCD) is characterised by early, rapidly progressive postnatal encephalopathy and intractable seizures, leading to severe disability and early death. Previous treatment attempts have been unsuccessful. After a pioneering single treatment we now report the outcome of the complete first cohort of patients receiving… (More)
Substitution therapies for orphan genetic diseases, including enzyme replacement methods, are frequently hampered by the limited availability of the required therapeutic substance. We describe the isolation of a pterin intermediate from bacteria that was successfully used for the therapy of a hitherto incurable and lethal disease. Molybdenum cofactor (Moco)… (More)
The authors would like to publish an erratum to include the additional text in the acknowledgments section.