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肾上腺脑白质营养不良 🧠✨

发布时间:2025-08-02 09:40:26来源:

adrenal leukodystrophy (ALD) is a rare genetic disorder that primarily affects the nervous system and adrenal glands. This condition leads to the accumulation of very long-chain fatty acids (VLCFAs), which can damage the myelin sheath, the protective covering around nerve fibers in the brain. Without proper myelin, nerve signals cannot be transmitted effectively, leading to a range of neurological symptoms.

Symptoms typically start in childhood and may include vision problems, developmental delays, behavioral changes, and difficulty with movement and coordination. As the disease progresses, it can lead to severe disability and even premature death. ALD is caused by mutations in the ABCD1 gene, which provides instructions for making a protein that helps break down VLCFAs. When this gene is mutated, VLCFAs build up in the body, particularly in the brain, adrenal glands, and other organs.

Early diagnosis and treatment are crucial for managing ALD. Treatments include Lorenzo's oil, a mixture of fats designed to lower VLCFA levels, and bone marrow transplantation, which can help restore normal myelin production. Regular monitoring of adrenal function is also essential, as many patients with ALD develop adrenal insufficiency, requiring hormone replacement therapy.

Living with ALD requires a multidisciplinary approach involving neurologists, endocrinologists, and genetic counselors. Support groups and resources are available to help families navigate the challenges of this complex condition. By raising awareness and supporting research, we can work towards better treatments and outcomes for those affected by ALD.

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