“…A recent meta-analysis of published data indicated convincingly that patients with MS had lower serum uric acid than healthy controls, and advocated serum uric acid low level as a potential biomarker for multiple sclerosis [49]. Low plasma uric acid levels were also associated with neurological disorders [49], [50], [51], Parkinson [52], [53], [54], [55], [56], and Alzheimer [57], [58] disease, Pemphigus vulgaris, an autoimmune disorder characterized by blistering and sores (erosions) of the skin and mucous membranes [59], and lichen planus, an autoimmune inflammatory disease of the mucocutaneous tissue [60], [61], which was also associated with low uric acid levels in saliva [62].…”