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A child with intractable seizures from the age of 10 months and developmental retardation developed jaundice and hepatosplenomegaly at 23 months. She died at the age of 25 months. Methionine and tyrosine were elevated in urine, plasma, CSF, and brain. These elevations were more marked in the CNS
A 10-year-old boy with palmoplantar hyperkeratosis and keratitis was reported. His physical development was normal and mental development was lower limit. He had also convulsions with low grade fever several times, and his EEG showed paroxysmal discharges. The plasma levels of phenylalanine and
OBJECTIVE
To analyze the clinical features and SLC25A13 gene mutations of a child with citrin deficiency complicated with purpura, convulsive seizures and methioninemia.
METHODS
The patient was subjected to physical examination and routine laboratory tests. Blood amino acids and acylcarnitines, and
Tyrosinemia type III is an autosomal recessive disorder caused by the deficiency of 4- hydroxyphenylpyruvate dioxygenase (4-HPPD). It is characterized by elevated levels of blood tyrosine and massive excretion of its derivatives into the urine. Clinical findings of tyrosinemia type III include
(1) Type 1 hereditary tyrosinemia is a rare disease due to an enzyme deficiency. It is associated with life-threatening liver disorders, starting during the very first months of life. If left untreated (other than with a diet low in tyrosine and phenylalanine), most patients die during childhood.
delta-Aminolevulinic acid, an intermediate in heme formation, is elevated in certain human disorders including acute intermittent porphyria, tyrosinemia, and lead poisoning. It has been implicated in the central nervous system manifestations of these disorders via interactions with the GABAergic
BACKGROUND
Hepatorenal tyrosinemia (HT1) is a treatable, inherited, metabolic disease characterized by progressive liver failure with pronounced coagulopathy. The aim of this study is to describe the clinical, biochemical, and histopathological findings in a group of Mexican HT1 patients and their
Tyrosinemia type II is a rare autosomal recessive disorder caused by deficiency of tyrosine aminotransferase (TAT). It may occur with ocular and cutaneous symptoms with or without mental retardation, but epileptic seizure is a rare presentation of this disease. Herein we report the clinical,
We report six adult patients with Tyrosinaemia type 1 (HT-1) who presented with recurrent porphyria-like neurological crises after discontinuation/interruption of 2-(2-nitro-4-trifluoro-methylbenzyol)-1,3 cyclohexanedione (NTBC) treatment. The crises were life-threatening for some of the patients,
BACKGROUND
Inborn Errors of Metabolism are hereditary affections resulting from incompetence in enzymatic reactions of intermediary metabolism. At present, several hundred hereditary metabolic disturbances are known, many of which correspond to severe life-threatening disorders.
OBJECTIVE
The early
OBJECTIVE
Neurologic complications are a significant cause of morbidity in children after liver transplant. In this study, we sought to evaluate the neurologic complications in children after liver transplant.
METHODS
All children aged younger than 18 years old who had undergone liver transplant
BACKGROUND
Aminoacidopathies refer to defects in protein synthesis pathways which result in a range of biochemical disorders and clinical presentations. The enzyme defects in intermediate metabolic pathways lead to accumulation of one or more amino acids or metabolites. Despite higher prevalence
OBJECTIVE
The new technology of tandem mass spectrometry is exerting a significant impact on the diagnostics of inborn metabolic errors, and allows to detect a number of these disorders in a single step. The aim of the present study was to establish a dry blood filter paper method for amino acid and
Tyrosinemia type 3, caused by a genetic deficiency of 4-hydroxyphenylpyruvic acid dioxygenase (HPD) in tyrosine catabolism, is characterized by convulsion, ataxia, and mental retardation. The III mouse is a model of tyrosinemia type 3. HPD activity and protein are defective in the liver and its
OBJECTIVE
To analyze the magnetic resonance imaging findings in children diagnosed with neurologic complications after liver transplantation (LT).
METHODS
A total of 39 patients diagnosed with neurologic complications following LT between 2010 and 2016. Neuroradiologic imaging was performed using