Primary carnitine deficiency
Última actualización 27 Nov 2023
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Primary carnitine deficiency is a condition that prevents the body from using certain fats for energy, particularly during periods without food (fasting). Carnitine, a natural substance acquired mostly through food, is used by cells to process fats and produce energy.
Descripción
Primary carnitine deficiency is a condition that prevents the body from using certain fats for energy, particularly during periods without food (fasting). Carnitine, a natural substance acquired mostly through food, is used by cells to process fats and produce energy.
Signs and symptoms of primary carnitine deficiency typically appear during infancy or early childhood and can include severe brain dysfunction (encephalopathy), a weakened and enlarged heart (cardiomyopathy), vomiting, muscle weakness, and low blood glucose (hypoglycemia). The severity of this condition varies among affected individuals. Some people with primary carnitine deficiency are asymptomatic, which means they do not have any signs or symptoms of the condition. All individuals with this disorder are at risk for sudden death.
Problems related to primary carnitine deficiency can be triggered by periods of fasting or by illnesses such as viral infections. This disorder is sometimes mistaken for Reye syndrome, a severe disorder that may develop in children who appear to be recovering from viral infections such as chickenpox or flu.
Patrones de herencia
The source lists the following possible inheritance patterns: Autosomal recessive. More than one pattern can apply in different cases.
Related genes
Otros nombres
Carnitine transporter deficiency
Carnitine uptake defect
Carnitine uptake deficiency
CUD
Renal carnitine transport defect
Systemic carnitine deficiency
Related patient information and medicines
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Malabsorción gastrointestinal
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Deficiencia de vitamina A
Vitamin ... Foods that contain vitamin A include liver, milk, eggs and fish-liver oils. Another substance called beta carotene (which is found in green leafy and orange/yellow vegetables and fruits) can also be converted by your body to vitamin A. Mild forms of vitamin A deficiency can usually be treated without any long-term problems. Vitamin A.
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Cáncer de hígado primario
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Síndrome de piernas inquietas
For example, it occurs in some people who take antidepressants , antipsychotic medicines , beta-blockers , lithium , prochlorperazine or metoclopramide. As a symptom of some other conditions - for example, severe kidney disease , Parkinson's disease , diabetes , and underactive thyroid gland. How common is restless legs syndrome. In the UK ,about.
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Hiperparatiroidismo
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Macrocitosis y anemia macrocítica
Macrocytosis refers to red blood cells which are larger than normal. It does not cause any symptoms in itself. Macrocytosis symptoms You may also find relevant information in our other separate leaflet called What is blood. Macrocytosis can exist without anaemia. Macrocytosis itself does not cause any symptoms but can be a sign of low levels of.
Lecturas adicionales y referencias
- Primary carnitine deficiency; MedlinePlus, National Library of Medicine.
- Amat di San Filippo C, Pasquali M, Longo N. Pharmacological rescue of carnitine transport in primary carnitine deficiency. Hum Mutat. 2006 Jun;27(6):513-23. doi: 10.1002/humu.20314.
- El-Hattab AW, Li FY, Shen J, Powell BR, Bawle EV, Adams DJ, Wahl E, Kobori JA, Graham B, Scaglia F, Wong LJ. Maternal systemic primary carnitine deficiency uncovered by newborn screening: clinical, biochemical, and molecular aspects. Genet Med. 2010 Jan;12(1):19-24. doi: 10.1097/GIM.0b013e3181c5e6f7.
- Lahjouji K, Mitchell GA, Qureshi IA. Carnitine transport by organic cation transporters and systemic carnitine deficiency. Mol Genet Metab. 2001 Aug;73(4):287-97. doi: 10.1006/mgme.2001.3207.
- Lamhonwah AM, Olpin SE, Pollitt RJ, Vianey-Saban C, Divry P, Guffon N, Besley GT, Onizuka R, De Meirleir LJ, Cvitanovic-Sojat L, Baric I, Dionisi-Vici C, Fumic K, Maradin M, Tein I. Novel OCTN2 mutations: no genotype-phenotype correlations: early carnitine therapy prevents cardiomyopathy. Am J Med Genet. 2002 Aug 15;111(3):271-84. doi: 10.1002/ajmg.10585.
- Li FY, El-Hattab AW, Bawle EV, Boles RG, Schmitt ES, Scaglia F, Wong LJ. Molecular spectrum of SLC22A5 (OCTN2) gene mutations detected in 143 subjects evaluated for systemic carnitine deficiency. Hum Mutat. 2010 Aug;31(8):E1632-51. doi: 10.1002/humu.21311.
- Longo N, Amat di San Filippo C, Pasquali M. Disorders of carnitine transport and the carnitine cycle. Am J Med Genet C Semin Med Genet. 2006 May 15;142C(2):77-85. doi: 10.1002/ajmg.c.30087.
- Magoulas PL, El-Hattab AW. Systemic primary carnitine deficiency: an overview of clinical manifestations, diagnosis, and management. Orphanet J Rare Dis. 2012 Sep 18;7:68. doi: 10.1186/1750-1172-7-68.
- Schimmenti LA, Crombez EA, Schwahn BC, Heese BA, Wood TC, Schroer RJ, Bentler K, Cederbaum S, Sarafoglou K, McCann M, Rinaldo P, Matern D, di San Filippo CA, Pasquali M, Berry SA, Longo N. Expanded newborn screening identifies maternal primary carnitine deficiency. Mol Genet Metab. 2007 Apr;90(4):441-5. doi: 10.1016/j.ymgme.2006.10.003. Epub 2006 Nov 28.
- Shibbani K, Fahed AC, Al-Shaar L, Arabi M, Nemer G, Bitar F, Majdalani M. Primary carnitine deficiency: novel mutations and insights into the cardiac phenotype. Clin Genet. 2014 Feb;85(2):127-37. doi: 10.1111/cge.12112. Epub 2013 Mar 12.
- Stanley CA. Carnitine deficiency disorders in children. Ann N Y Acad Sci. 2004 Nov;1033:42-51. doi: 10.1196/annals.1320.004.
- Tein I. Carnitine transport: pathophysiology and metabolism of known molecular defects. J Inherit Metab Dis. 2003;26(2-3):147-69. doi: 10.1023/a:1024481016187.
- Wang Y, Korman SH, Ye J, Gargus JJ, Gutman A, Taroni F, Garavaglia B, Longo N. Phenotype and genotype variation in primary carnitine deficiency. Genet Med. 2001 Nov-Dec;3(6):387-92. doi: 10.1097/00125817-200111000-00002.
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