853 NON-KETOTIC HYPERGLYCINEMIA (NKH) TREATED WITH STRYCHNINE

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Nonketotic hyperglycinemia in a neonate.

Hyperglycinemia represents a group of disorders characterized by elevated concentrations of glycine in body fluids. Two types exist, the ketotic and non ketotic. In the ketotic type, the most striking feature is ketoacidosis, which begins early in life and in which hyperglycinemia is secondarily associated with organic acidemias. Nonketotic hyperglycinemia (NKH) is a disorder of glycine metabol...

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A novel mutation in the glycine decarboxylase gene in patient with non-ketotic hyperglycinemia

Non-ketotic hyperglycinemia (NKH) is a rare inborn error of metabolism and is caused by a glycine cleavage system deficiency. Eighty-five percent of patients present with the neonatal type of NKH, the infants initially develop lethargy, seizures, and episodes of apnea, and most often death. Between 60-90% of cases are caused by mutations in the glycine decarboxylase (GLDC). We believed that mor...

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Variant non ketotic hyperglycinemia is caused by mutations in LIAS, BOLA3 and the novel gene GLRX5.

Patients with nonketotic hyperglycinemia and deficient glycine cleavage enzyme activity, but without mutations in AMT, GLDC or GCSH, the genes encoding its constituent proteins, constitute a clinical group which we call 'variant nonketotic hyperglycinemia'. We hypothesize that in some patients the aetiology involves genetic mutations that result in a deficiency of the cofactor lipoate, and sequ...

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Concurrent non-ketotic hyperglycinemia and propionic acidemia in an eight year old boy

This is the first reported case of a patient with both non-ketotic hyperglycinemia and propionic acidemia. At 2 years of age, the patient was diagnosed with non-ketotic hyperglycinemia by elevated glycine levels and mutations in the GLDC gene (paternal allele: c.1576_1577insC delT and c.1580delGinsCAA; p.S527Tfs*13, and maternal allele: c.1819G>A; p.G607S). At 8 years of age after having been p...

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Glycine decarboxylase deficiency causes neural tube defects and features of non-ketotic hyperglycinemia in mice

Glycine decarboxylase (GLDC) acts in the glycine cleavage system to decarboxylate glycine and transfer a one-carbon unit into folate one-carbon metabolism. GLDC mutations cause a rare recessive disease non-ketotic hyperglycinemia (NKH). Mutations have also been identified in patients with neural tube defects (NTDs); however, the relationship between NKH and NTDs is unclear. We show that reduced...

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ژورنال

عنوان ژورنال: Pediatric Research

سال: 1978

ISSN: 0031-3998,1530-0447

DOI: 10.1203/00006450-197804001-00858