How common is ALD?ĪLD is a rare disease, affecting around 1 in 15,000 people worldwide. It’s sometimes called X-linked ALD because it results from a problem with the X chromosome. People can inherit ALD from one or both parents. How is ALD inherited?ĪLD is a genetic condition. They make hormones that affect male and female sex characteristics and your stress response.
The adrenal glands sit on top of each kidney. People with ALD have shortages of some hormones because ALD also damages the adrenal glands. This causes problems with the body’s functions, including how you move and think. When myelin is damaged, nerve cells cannot send signals from the brain to the body. Myelin is the protective layer around nerve cells in the brain. But research suggests the accumulation causes inflammation that damages the myelin sheath. Scientists aren’t exactly sure how the VLCFA buildup affects the body. As a result, VLCFAs build up in the brain, nervous system and adrenal cortex, the largest part of the adrenal gland. People with ALD can’t break down high levels of fat molecules - specifically very-long-chain fatty acids (VLCFAs). DNA contains genetic building blocks - the instructions for how your body works. What is a genetic disorder?Ī genetic disorder results from a mutation (change) in part of your DNA. Treatments aim to slow the progression and improve people’s quality of life. ALD affects the nervous system and the adrenal glands.ĪLD is a progressive disease. Adrenoleukodystrophy (ALD) is one of a group of genetic disorders called leukodystrophies.
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