Read about adrenoleukodystrophy medical facts: what is the definition of adrenoleukodystrophy, what are the signs and symptoms, medical treatment & how to treat adrenoleukodystrophy, and related adrenoleukodystrophy diseases.

Definition: What is "Adrenoleukodystrophy"?


Adrenoleukodystrophy is also known as ALD, Sudanophilic leukodystrophy & Schilder's disease. This is a rare disorder that is inherited which often leads to progressive damage of the brain, adrenal gland failure & eventually, death. ALD belongs to a group of disorders that are inherited which are called Leukodystrophies. Leukodystrophies often progressively destroy the myelin (a complex fatty neutral tissue which insulates numerous nerves of the peripheral & central nervous systems). The absence of myelin intensifies destruction. Patients of this disorder have a missing essential protein called the transporter protein. The transporter protein is needed in carrying an enzyme (the one used in breaking down long chain fatty acid in a normal person's diet). A long chain fatty acid accumulation can bring about brain damage & adrenal gland damage. Usually, the patients of ALD are males who inherit the X-linked disorder. Leudodystrophies are not similar to demyelinating diseases like multiple sclerosis where the myelin is normally formed but is eventually lost through immunologic dysfunction or for other causes.

Symptoms & Signs

The clinical manifestations of ALD are dependent on the age when the disease ensues. The severest type is the childhood cerebral type which often occurs in baby males aged 4 through 10. These patients often have seizures, ataxia, developmental retardation, adrenal insufficiency & also degeneration of their auditory & visual functions. This type could also manifest in adolescents and, in rare cases, some adults. The other type of ALD is the spinal cord dysfunction which chiefly afflicts young men. This is a more prominent form & is therefore called adrenomyeloneuropathy or AMN. The AMN patients usually show numbness & weakness of the limbs & problems in urinating or defecating. Although most victims of this form are males, there are some cases where females also show symptoms of AMN. Clinical findings establish the diagnosis of this disorder. Serum long chain fatty acid level discoveries also establish the case. White matter defects are often shown by MRI scanning & the neuroimaging results are suggestive of multiple sclerosis findings. There are some centers that have genetic testing to analyze the defective gene.

Treatment: How to Treat "Adrenoleukodystrophy"?

Currently, there is no known cure for the illness although there are dietary treatments made available. An example is Lorenzo's Oil which can be combined with a VLCFA-low diet (this showed only limited success). The transplantation of bone marrow has also been proven to help ALD patients. These patients are the ones who are either afflicted with just mild symptoms or are just on the early stages of ALD. Lovastatin is a drug which seems to help but the means of action remains unclear.

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