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Individual differences |
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Biological: Behavioural genetics · Evolutionary psychology · Neuroanatomy · Neurochemistry · Neuroendocrinology · Neuroscience · Psychoneuroimmunology · Physiological Psychology · Psychopharmacology (Index, Outline)
Methylmalonic acidemia (MMA, also known as "methylmalonic aciduria") is an inborn error of intermediary metabolism that may present in the early neonatal period with progressive encephalopathy and death due to a secondary hyperammonemia.
Methylmalonic acidemia does not always result in death, if it is diagnosed at an early age.
Methylmalonic acidemia is an inherited disorder in which the body is unable to process certain proteins and fats (lipids) properly. Methylmalonic acidemia is a disorder of amino acid metabolism, involving a defect in the conversion of methylmalonyl-coenzyme A (CoA) to succinyl-CoA by methylmalonyl-CoA mutase.
- OMIM 251100 - cblA type
- OMIM 251110 - cblB type
- OMIM 277400 - cblC type
- OMIM 277410 - cblD type
- OMIM 277380 - cblF type
- OMIM 606169 - cblH type
- OMIM 251000 - mut type
Cobalmin (vitamin B12) is also needed for the conversion of methylmalonyl-CoA to Succinyl-CoA. Mutations leading to defects in cobalmin or in its transport frequently result in the development of acidemia. The numerous pat
- fr:Acidémie méthylmalonique
amino-acids Phenylketonuria - Alkaptonuria - Ochronosis - Tyrosinemia - Maple syrup urine disease - Propionic acidemia - Methylmalonic acidemia - Isovaleric acidemia - Primary carnitine deficiency - Cystinuria - Cystinosis - Hartnup disease - Homocystinuria - Citrullinemia - Hyperammonemia - Glutaric acidemia type 1
carbohydrates Lactose intolerance - Glycogen storage disease (type I, type II, type III, type IV, type V), Fructose intolerance, Galactosemia
Lipid storage disorders Gangliosidosis - GM2 gangliosidoses (Sandhoff disease, Tay-Sachs disease) - GM1 gangliosidoses - Mucolipidosis type IV - Gaucher's disease - Niemann-Pick disease - Farber disease - Fabry's disease - Metachromatic leukodystrophy - Krabbe disease - Neuronal ceroid lipofuscinosis - Batten disease - Cerebrotendineous xanthomatosis - Wolman disease - Cholesteryl ester storage disease
List of fatty acid metabolism disorders - Hyperlipidemia - Hypercholesterolemia - Familial hypercholesterolemia - Xanthoma - Combined hyperlipidemia - Lecithin cholesterol acyltransferase deficiency - Tangier disease - Abetalipoproteinemia
mineral metabolism Disorders of calcium metabolism - Hypophosphatemia - Hypophosphatasia - Wilson's disease - Menkes disease - Hypermagnesemia - Hypomagnesemia - Hypercalcaemia - Hypocalcaemia
fluid, electrolyte and acid-base balance Electrolyte disturbance - Hypernatremia - Hyponatremia - Respiratory acidosis - Metabolic acidosis - Lactic acidosis - Hypervolemia - Hypokalemia - Hyperkalemia - Mixed disorder of acid-base balance - Hyperchloremia - Hypochloremia - Dehydration
porphyrin and bilirubin Acatalasia - Gilbert's syndrome - Crigler-Najjar syndrome - Dubin-Johnson syndrome - Rotor syndrome - Porphyria (Acute intermittent porphyria, Gunther's disease, Porphyria cutanea tarda, Erythropoietic protoporphyria, Hepatoerythropoietic porphyria, Hereditary coproporphyria, Variegate porphyria)
glycosaminoglycan Mucopolysaccharidosis - Hurler syndrome - Hunter syndrome - Sanfilippo syndrome - Morquio syndrome
glycoprotein I-cell disease - Pseudo-Hurler polydystrophy - Aspartylglucosaminuria - Fucosidosis - Alpha-mannosidosis - Sialidosis
other Alpha 1-antitrypsin deficiency - Cystic fibrosis - Familial Mediterranean fever - Lesch-Nyhan syndrome
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