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What is Amyotrophic Lateral Sclerosis with Fused in Sarcoma Mutations (FUS-ALS)?

FUS-ALS is a rare neurological disorder caused by a mutation in the FUS gene that targets nerve cells in the brain and spinal cord. This type of ALS often progresses more rapidly and symptoms can appear at an earlier age. ALS patients may have trouble with certain muscle movements like speaking, walking, or gripping things. As ALS progresses, patients lose muscle control and eventually have life-threatening respiratory com­plications.