IL6 and Parkinson disease: Consequently, dysregulation of IL-6 emerges as a substantial factor in various neurological disorders, including Alzheimer’s disease (AD), Parkinson’s disease (PD) (71, 72), and Huntington’s disease (HD) (30, 73, 74), Multiple Sclerosis (MS) (75, 76), Amyotrophic Lateral Sclerosis (ALS) (77, 78) an others.