Abetalipoproteinemia is a disorder that interferes with the normal absorption of fat and Abetalipoproteinemia. Synonyms, Bassen-Kornzweig syndrome. Bassen-Kornzweig disease; Homozygous familial hypobetalipoproteinemia. Prevalence: <1 / 1 ; Inheritance: Autosomal recessive; Age of onset: Infancy. BASSEN FA, KORNZWEIG AL. Malformation of the erythrocytes in a case of atypical retinitis pigmentosa. Blood. Apr;5(4)– [PubMed]; DRUEZ G .
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Inability to absorb fat results in deficiencies of lipids and various essential vitamins. Investigational Therapies Gene therapy has been studied as another approach to treat individuals with abetalipoproteinemia. Additionally, several studies have shown that MTP is expressed in the heart and is involved in exporting lipids out of the heart. Some individuals may also experience irregularities in heart rhythm cardiac arrhythmias.
Retinitis pigmentosa Retinitis pigmentosa is an eye disease in which there is damage to the retina. The defect makes it hard for the body syndrom properly digest fat and essential vitamins. Get free access to newly published articles Create a personal account or sign in to: Resources Please note that some of these organizations may provide information concerning certain conditions potentially associated with this disorder.
Rare Disease Database
The person is unable to fully absorb dietary fats through the intestines. Review provided by VeriMed Healthcare Network.
It is an autosomal recessive condition that more often affects males. Vitamin K Vitamin K is a fat-soluble vitamin. If an individual receives one normal allele and one allele for the disease, the person will be a carrier for bassen-iornzweig disease, but usually will not show symptoms.
Oxford University Press; Treatment involves large doses of vitamin supplements containing fat-soluble vitamins vitamin Avitamin Dvitamin Eand vitamin K.
Protein Proteins are the building blocks of life. Electroretinographic responses following vitamin A therapy in abeta-lipoproteinemia.
hassen-kornzweig Lipid Metabolism Disorders Read more. Register for email alerts with links to free full-text articles Access PDFs of free articles Manage your interests Save searches and receive search alerts.
Retrieved from ” https: Because the epithelial cells of the bowel lack the ability to place fats into chylomicrons, lipids accumulate at the surface of the cell, crowding the functions that are necessary for proper absorption.
Antenatal diagnosis Prenatal diagnosis is possible when the causal mutations in both parents are known. Acanthocytosis occurs in some cases as well. There are no comments available.
AVED is inherited as an autosomal recessive trait. Copyright and License information Disclaimer. These symptoms usually appear en masse. Retinitis pigmentosa, acanthrocytosis, and heredodegenerative neuromuscular disease. The defect makes it hard for the body to properly digest fat and essential vitamins. Blindness Mental deterioration Loss of function of peripheral nerves, uncoordinated movement ataxia. Handbook of Clinical Neurology. Genetic counseling Abetalipoproteinemia is inherited in a recessive manner.
Handbook of clinical neurology. Symptom onset may occur during childhood or adulthood. Between the ages of 2 and 20 years, a variety of neurological complications occur that resemble spinocerebellar degeneration, a general term for a group of disorders characterized by progressive impairment of the ability to coordinate voluntary movements due to degeneration of certain structures in the brain cerebellar ataxia. Most affected individuals respond to dietary therapy consisting of a diet low in fat especially long-chain saturated fatty acids.
Abetalipoproteinemia – Wikipedia
Additional doses are given depending on serum levels of vitamin A. Gene therapy has been studied as another approach to treat individuals with abetalipoproteinemia. However, at this time, there remain substantial technical difficulties to resolve before gene therapy can be advocated as a viable alternative approach. Please review our bassfn-kornzweig policy. Treatment involves large doses of vitamin supplements containing fat-soluble vitamins vitamin Avitamin Dvitamin Eand vitamin K.
A complete blood count CBC test measures the following: New insights into lipoprotein assembly and vitamin E metabolism from a rare genetic disease. This protein is required for the proper assembly and secretion of apoB-containing lipoproteins in the liver and intestines. Neurologic Syndromes with Acanthocytes. Other features of this disorder may develop later in childhood and often impair the function of the nervous system.
Atypical retinitis pigmentosa, acanthrocytosis, and heredodegenerative neuromuscular disease. Life expectancy is reduced, and death often occurs from cardiac arrhythmias. Apolipoprotein B Apolipoprotein B apoB is a protein that plays bassen-kornweig role in moving cholesterol around your body.
Symptoms can include steatorrhea, ataxia, retinitis pigmentosa, and neuropathy. Abetalipoproteinemia affects the absorption of dietary fats, cholesteroland certain vitamins. The Baszen-kornzweig gene provides instructions for making a protein called microsomal triglyceride transfer protein, which is essential for creating beta-lipoproteins.
Although lipid is able to enter the intestinal mucosal epithelium, its exit is blocked. Review provided by VeriMed Healthcare Network. Treatment may require the coordinated efforts of a team of specialists.
ApoB-containing lipoproteins, such as chylomicrons or very low density lipoproteins, are not detectable in the plasma.