New insights into the genetics of 5-oxoprolinase deficiency and further evidence that it is a benign biochemical condition.

Abstract excerpt

UNLABELLED: Inherited 5-oxoprolinase (OPLAH) deficiency is a rare inborn condition characterised by 5-oxoprolinuria. To date, three OPLAH mutations have been described: p.H870Pfs in a homozygous state, which results in a truncated protein, was reported in two siblings, and two heterozygous missense changes, p.S323R and p.V1089I, were independently identified in two unrelated patients. We describe the clinical...

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