Sialic Acid Storage Disease, also known as n-acetylneuraminic acid storage disease, is related to free sialic acid storage disorders and infantile sialic acid storage disease. An important gene associated with Sialic Acid Storage Disease is GNE (Glucosamine (UDP-N-Acetyl)-2-Epimerase/N-Acetylmannosamine Kinase), and among its related pathways/superpathways is Synthesis of substrates in N-glycan biosythesis. Affiliated tissues include spleen and liver.