Description:
MAPLE SYRUP URINE DISEASE (MSUD), TYPE IA
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Repository
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NIGMS Human Genetic Cell Repository
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| Subcollection |
Heritable Diseases |
| Class |
Disorders of Amino Acid Metabolism |
| Quantity |
25 µg |
| Quantitation Method |
Please see our FAQ |
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Biopsy Source
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Peripheral vein
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Cell Type
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B-Lymphocyte
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Tissue Type
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Blood
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Transformant
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Epstein-Barr Virus
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Sample Source
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DNA from LCL
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Race
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White
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Relation to Proband
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proband
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Confirmation
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Clinical summary/Case history
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Species
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Homo sapiens
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Common Name
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Human
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Remarks
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| 3-methyl-2-oxobutanoate dehydrogenase |
According to the submitter, biochemical test results for this subject showed decreased enzyme activity. EC Number: 1.2.4.4; 0% activity. |
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| IDENTIFICATION OF SPECIES OF ORIGIN |
Species of Origin Confirmed by Nucleoside Phosphorylase, Glucose-6-Phosphate Dehydrogenase, and Lactate Dehydrogenase Isoenzyme Electrophoresis |
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| Remarks |
Intermediate MSUD; presented at age 10 mo with ketoacidotic coma, history of irritability, poor feeding, & growth & developmental delay; negligible BCKAD act in fibros; defect in E1 component of BCKAD; norm E2 & E3 component activities |
| Gonzalez-Rios MC, Chuang DT, Cox RP, Schmidt K, Knopf K, Packman S, A distinct variant of intermediate maple syrup urine disease. Clin Genet27:153-9 1985 |
| PubMed ID: 3978850 |
| NCBI GTR |
248600 MAPLE SYRUP URINE DISEASE; MSUD |
| OMIM |
248600 MAPLE SYRUP URINE DISEASE; MSUD |
| Omim Description |
BCKD DEFICIENCY |
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BCKD, E1-ALPHA SUBUNIT, INCLUDED; BCKDE1A, INCLUDED |
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BRANCHED-CHAIN ALPHA-KETO ACID DEHYDROGENASE DEFICIENCY |
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BRANCHED-CHAIN KETO ACID DEHYDROGENASE E1, ALPHA POLYPEPTIDE, INCLUDED;BCKDHA, INCLUDED; BCKDH, INCLUDED |
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BRANCHED-CHAIN KETOACIDURIA |
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KETO ACID DECARBOXYLASE DEFICIENCYTHIAMINE-RESPONSIVE MSUD, INCLUDED |
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MAPLE SYRUP URINE DISEASE, TYPE IA |
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MSUD |
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MSUD, TYPE IA |
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