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Doctor's answer:
Disease Analysis: Neuralgic Amyotrophy is a disorder of the peripheral nervous system, this hereditary disease can cause severe shoulder and arm pain, followed by temporary paralysis. On September 26, researchers from the VIB (Flanders Interuniversity Institute for Biotechnology) and the University of Antwerp in Belgium jointly unraveled this mystery and discovered a gene associated with neuralgic amyotrophy. Hereditary Neuralgic Amyotrophy (HNA) is characterized by periodic pain in the shoulders, arms, and hands, leading to partial paralysis in certain areas. Many HNA patients also exhibit distinct facial features, such as drooping eyelids and cleft palate. HNA is a rare condition, with only 200 families worldwide affected by it. However, there is also non-hereditary HNA, known as Parsonage-Turner syndrome. 2-4 out of every 100,000 people suffer from this condition, but their clinical manifestations are difficult to distinguish from hereditary HNA. HNA is often triggered by external factors such as vaccinations, infections, surgeries, or even pregnancy and childbirth, as individuals with a predisposition to the disease carry a high risk of hereditary HNA. It can be said that environmental factors lead to peripheral nervous system disorders, making HNA a genetic model for high-frequency diseases such as Parsonage-Turner syndrome and Guillain-Barré syndrome.After studying many families, researchers identified the HNA-related genes, which are located on the long arm of human chromosome 17. They found that the genetic code of the Septi9 protein family in patients had undergone mutations or changes. HNA is also the first single-gene hereditary disease caused by a defect in the Septi family genes. Researchers are not yet fully clear about the function of Septi9 protein in the peripheral nervous system or why HNA produces mutants. However, they know that other members of the Septi family are involved in cell skeleton formation and cell division during tumor growth. In fact, Septi mutations prevent cell division, which can also explain why many HNA patients have facial deformities.
Currently, there is no effective treatment to prevent or stop neuralgic amyotrophy. After identifying the related genes, further understanding of the molecular mechanisms of HNA disease progression can be achieved, which may eventually lead to clinical treatment.
Advice:
Lifestyle Care: Maintain a positive mindset and build confidence. Wishing your relative a speedy recovery.